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  • Books  (761)
  • English  (757)
  • Spanish  (3)
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  • 1985-1989  (406)
  • 1980-1984  (360)
  • 1975-1979  (5)
  • 1986  (406)
  • 1984  (360)
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  • 1
    Call number: ZSP-558-14 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 368 S. : Ill., graph. Darst.
    Language: English
    Location: AWI Reading room
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  • 2
    Call number: ZSP-558-23 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 76 S. : Ill., graph. Darst.
    Language: English
    Location: AWI Reading room
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  • 3
    Call number: ZSP-558-20 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 505 S. : Ill., graph. Darst.
    Language: English
    Location: AWI Reading room
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  • 4
    Call number: MOP 45569 / Mitte ; MOP 45569/A1 / Mitte ; MOP 45569/A2 / Mitte ; MOP 45569/A3 / Mitte ; MOP 45569/A4 / Mitte
    Type of Medium: Monograph available for loan
    Uniform Title: Trudy XII Konferencii Baltijskich Okeanografov, Leningrad, 14-17 aprelja 1980 g., i VII Soveščanija ±Ekspertov po Vodnomu Balansu Baltijskogo Morja, Leningrad, 17-19 aprelja 1980 g.
    Language: English
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Branch Library: GFZ Library
    Branch Library: GFZ Library
    Branch Library: GFZ Library
    Branch Library: GFZ Library
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  • 5
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Associated volumes
    Call number: MOP 46747 / Mitte
    In: Physics and chemistry in space
    Type of Medium: Monograph available for loan
    Pages: IX, 334 S.
    ISBN: 3540153365 , 0-387-15336-5
    Series Statement: Physics and chemistry in space 13
    Uniform Title: Fotochimija atmosfer Marsa i Veneri
    Language: English
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  • 6
    Call number: MOP 43060/A / Mitte
    Type of Medium: Monograph available for loan
    Pages: 307 Seiten , Illustrationen , 23 cm
    Language: Russian , English
    Note: In kyrillischer Schrift , Zusammenfassungen in englischer Sprache , Inhaltsverzeichnis in englischer Sprache
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  • 7
    Series available for loan
    Series available for loan
    Associated volumes
    Call number: ZSP-691-1984
    In: Research in Svalbard
    Type of Medium: Series available for loan
    Pages: 180 S.
    Language: English
    Branch Library: AWI Library
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  • 8
    Monograph available for loan
    Monograph available for loan
    Copenhagen : Kommissionen for Videnskabelige Undersøgelser i Grønland
    Associated volumes
    Call number: ZSP-553-15
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 72 S. : Ill., zahlr. graph. Darst.
    ISBN: 8717052297
    Series Statement: Meddelelser om Grønland : Bioscience 15
    Language: English
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  • 9
    Call number: ZSP-558-13 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 261 S. : Ill., graph. Darst.
    Language: English
    Location: AWI Reading room
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  • 10
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0538 ; 15/13860
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: x, 216 S.
    ISBN: 0137229011
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 11
    Monograph available for loan
    Monograph available for loan
    New York, N.Y. [u.a.] : Springer
    Call number: M 15.89123
    Description / Table of Contents: In the first edition of this book I tried to survey in brief compass the main ideas, methods, and discoveries of rational thermodynamics as it then stood, only five years after Messrs. COLEMAN & NOLL, while in Baltimore, had written the fundamental memoir that provided for the new science the one root theretofore wanting. A survey in the same style today would require an almost wholly new book, three or four times as long. As it was in 1968, again in 1983 a consecutive treatise restricted to the foundations would be premature, for at this moment they are under earnest discussion, probing analysis, and powerful attack by several students and from several directions. Because, although in the first edition I expressed some opinions I no longer hold and made some statements I should now recast or even re­ tract, it seems even yet to offer a simple introduction to some aspects of the field that remain current, I have chosen to reprint it unaltered except for emendation of slips and bettering of the English here and there.
    Type of Medium: Monograph available for loan
    Pages: XVI, 578 S , graph. Darst
    Edition: 2., ed. corr. and enl.
    ISBN: 0387908749 , 3540908749
    Language: English
    Branch Library: GFZ Library
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  • 12
    Monograph available for loan
    Monograph available for loan
    Minneapolis : University of Minnesota Press
    Call number: PIK N 630-15-89173
    Description / Table of Contents: A field guide to the wild flowers of western Canada and the adjoining Great Plains states of the United States, including illustrations of nearly 400 species.
    Type of Medium: Monograph available for loan
    Pages: 336 S. , zahlr. Ill.
    Edition: 2nd, rev. ed., 2. print.
    ISBN: 0816613508 : , 0816613516 (pbk.) :
    Language: English
    Location: A 18 - must be ordered
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  • 13
    Monograph available for loan
    Monograph available for loan
    Berkeley [u.a.] : Univ. of California Press
    Call number: IASS 16.90440
    Type of Medium: Monograph available for loan
    Pages: XXXVII, 402 S. , graph. Darst.
    Edition: 1. paperback ed.
    ISBN: 0520057287 , 9780520057289
    Language: English
    Branch Library: RIFS Library
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  • 14
    Call number: AWI Bio-99-0305-2
    In: Atlas of North European vascular plants, 2
    Type of Medium: Monograph available for loan
    Pages: XI, S. 499 - 968
    ISBN: 3874292606
    Language: English
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  • 15
    Call number: ZSP-201-86/6
    In: CRREL Report, 86-6
    Description / Table of Contents: Short-pulse radar profiles and waveform traces were recorded over natural, freshwater ice sheets and an artificially made, 1.6-m-diameter column of brash ice. The purpose was to study the feasibility of this type of radar to detect ice thickness, determine ice properties and distinguish ice forms. The radar utilized two antennas: one with a spectrum centered near 900 MHz and a second more powerful one near 700 MHz. Distinct top and bottom reflections from several ice sheets were produced by both antennas, but the value of dielectric permittivity calculated from the time of delay of the reflections varied between sheets as one ice sheet was ready to candle and contained free water. The brash ice distorted signals and allowed no discernible bottom return. The lower frequency antenna also gave returns from the lake bottom (separated from the ice bottom by about 1 m of water), which could allow ice thickness to be determined indirectly. The report concludes that these antennas can be used to determine sheet ice thickness and to supply information to help in the detection of brash ice. The water content of an ice sheet may also be estimated if independent studies show a correlation between dielectric permittivity and free water content.
    Type of Medium: Series available for loan
    Pages: iv, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 86-6
    Language: English
    Note: CONTENTS Abstract Preface Introduction Materials and methods Sites and site preparation Results and discussion Lake Morey Post Pond Conclusions and recommendations Literature cited
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  • 16
    Call number: ZSP-201-86/3
    In: CRREL Report, 86-3
    Description / Table of Contents: Experiments to study the melting of a horizontal ice sheet with a flow of water above it were conducted in a 35 m long refrigerated flume with a cross section of 1.2x1.2 m. Water depth, temperature, and velocity were varied as well as the temperature and initial surface profile of the ice sheet. The heat transfer regimes were found to consist of forced turbulent flow at high Reynolds numbers with a transition to free convection heat transfer. There was no convincing evidence of a forced laminar regime. The data were correlated for each of the regimes, with the Reynolds number, Re, or the Grashof number combined with the Reynolds number as Gr/Re to the 2.5 power used to characterize the different kinds of heat transfer. For water flowing over a horizontal ice sheet, the melting heat flux, for low flow velocities, was not found to drop below the value for the free convection case-488.5 W/sq m-as long as the water temperature exceeds 3.4 C. This is significant since the free convection melt values far exceed those for laminar forced convection. At the low flow velocities, the melting flux was not dependent upon the fluid temperature until the water temperature dropped below 3.4 C, when q sub c = 135.7 (Delta T). In general, the heat transfer was found to significantly exceed that of non-melting systems for the same regimes. This was attributed to increased free stream turbulence, thermal instability due to the density maximum of water near 4 C, and the turbulent eddies associated with the generation of a wavy ice surface during the melting.
    Type of Medium: Series available for loan
    Pages: vii, 85 Seiten , Illustrationen
    Series Statement: CRREL Report 86-3
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Non-melting heat transfer relations for horizontal surfaces Heat transfer for melting horizontal ice sheets Instrument setup, data acquisition and test procedures General Instrumentation Data acquisition Computer software Test procedures Data output from computer Equations used for data analysis Control volume and melting surface Control of variables Error analysis Experimental results and discussion Wave formation Temperature and velocity profiles in open channel flow Correlation of data Summary Literature cited Appendix A: Conversion equations for data acquisition equipment Appendix B: Computer code for data acquisition and analysis Appendix C: Typical test output Appendix D: Thermal properties of water and ice Appendix E: Error analysis Appendix F: Summary of test conditions Appendix G: Experimental data and calculated quantities, with inlet length
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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/9
    In: CRREL Report, 86-9
    Description / Table of Contents: The bulk aerodynamic transfer coefficients for sensible (C sub H) and latent (C sub E) heat over snow and sea ice surfaces are necessary for accurately modeling the surface energy budget but are very difficult to measure. This report therefore presents a theory that predicts C sub H and C sub E as functions of the wind speed and a surface roughness parameter. The crux of the model is establishing the interfacial sublayer profiles of the scalars, temperature and water vapor, over aerodynamically smooth and rough surfaces. These interfacial sublayer profiles are delivered from surface-renewal model in which turbulent eddies continually sweep down to the surface, transfer scalar contaminants across the interface by molecular diffusion, and then burst away. Matching the interfacial sublayer profiles with the usual semilogarithmic inertial sublayer profiles yields the roughness lengths for temperature and water vapor. With these and a model for the drag coefficient over snow and sea ice based on actual measurements, the transfer coefficients are predicted. C sub E is always a few percent larger than C and H. Both decrease monotonically with increasing wind speed for speeds above 1 m/s, both increase at all winds speeds as the surface gets rougher. Both, nevertheless, are almost between 0.0010 and 0.0015.
    Type of Medium: Series available for loan
    Pages: vi, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 86-9
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Aerodynamically rough surface Aerodynamically smooth surface Scalar transfer coefficients Conclusions Literature cited
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  • 18
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/8
    In: CRREL Report, 86-8
    Description / Table of Contents: In this work, numerical computations of heat transfer for freezing a shaft wall have been conducted. Both fixed mesh and deforming mesh finite-element methods are used. In the fixed mesh method, latent heat effects are accounted for through a δ function in the apparent heat capacity. In the deforming mesh method, an automatic mesh-generation technique with transfinite mappings is used, and in this method two different approaches are taken to evaluate the movement of the interface. The freeze-pipes are considered as point sources with irregular distribution. The advancement of the inner and outer boundaries of the frozen wall is found to be in agreement with the previously computed results
    Type of Medium: Series available for loan
    Pages: iii, 31 Seiten , Illustrationen
    Series Statement: CRREL Report 86-8
    Language: English
    Note: CONTENTS Abstract Preface Introduction Basic finite-element formulas Description of problem Finite-element equation-fixed mesh Finite-element equation-deforming mesh Transfinite mapping technique Computations and conclusions Literature cited Appendix A : Point heat sources Appendix B: Evaluation of the integral including latent heat (fixed mesh) Appendix C: Specification of [K] -deforming mesh Appendix D: Specifying δΤ/δn and the direction of mj for method I Appendix E: Procedures of method 2 Appendix F: Explanation of programs
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  • 19
    Call number: ZSP-201-86/13
    In: CRREL Report, 86-13
    Description / Table of Contents: Stress-deformation data for six granular soils ranging from sandy silt to dense-graded crushedstone were obtained from in-situ tests and laboratory tests. Surface deflections were measured in the in-situ tests, with repeated-load plate-bearing and falling-weight deflectometer equipment, when the six granular soils were frozen, thawed, and at various stages of recovery from thaw weakening. The measured deflections were used to judge the validity of procedures developed for laboratory triaxial tests to determine nonlinear resilient moduli of specimens in the frozen, thawed, and recovering states. The validity of the nonlinear resilient moduli, expressed as functions of externally applied stress and moisture tension, was confirmed by using the expressions tocalculate surface deflections that were found to compare well with deflections measured in the in-situ tests. The tests on specimens at various stages of recovery are especially significant because they show a strong dependence of the resilient modulus on moisture tension, leading to the conclusion that predictions or in-situ measurements of moisture tension can be used to evaluate expected seasonal variation in the resilient modulus of granular soils.
    Type of Medium: Series available for loan
    Pages: iv, 148 Seiten , Illustrationen
    Series Statement: CRREL Report 86-13
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test sections Installing instruments and sampling Laboratory tests Asphalt concrete Base, subbase and subgrade soils Data analysis for base, subbase and subgrade soils Field tests Analysis of plate loading tests Analytical approach Results Discussion Conclusions Literature cited Appendix A: Field data Appendix B: Ground temperatures, moisture tension, water table and freezing iso-therms prevailing during plate loading tests Appendix C: Measured surface deflections compared with deflections calculated by NELAPAV Appendix D: Resilient moduli and supporting data calculated by NELAPA V at radius 0.0, taxiways A and B.
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  • 20
    Call number: ZSP-201-86/18
    In: CRREL Report, 86-18
    Description / Table of Contents: Findings from a six-year yield and laboratory program of frost action research in four principal areas are summarized. Research on the first topic, frost susceptibility index tests, led to selection of the Corps of Engineers frost design soil classification system as a useful method at the simplest level of testing. At a much more complex level, a new freezing test combined with a CBR test after thawing is recommended as an index of susceptibility to both frost heave and thaw weakening. Under the second topic, a soil column and dual gamma system were developed and applied to obtain soil data used in improving and validating a mathematical model of frost heave, the objective of the third research topic. The model was effectively improved, a probabilistic component was added, and it was successfully tested against field and laboratory measurements of frost heave. A thaw consolidation algorithm was added, which was shown to be useful in predicting the seasonal variation in resilient modulus of granular soils, the objective of the fourth topic. A laboratory testing procedure was developed for assessing the resilient modulus of thawed soil at various stages of the recovery process, as a function of the applied stress and the soil moisture tension, which increases as the soil gradually desaturates during recovery. The procedure was validated by means of appropriate analyses of deflections measured on pavements by a falling-weight deflectometer. Frameworks for implementing findings from the principal research topics are outlined. Keywords: Airfields, Freezing thawing, Frost heave, Frozen soil, Resilient modulus, Roads.
    Type of Medium: Series available for loan
    Pages: v, 52 Seiten , Illustrationen
    Series Statement: CRREL Report 86-18
    Language: English
    Note: Contents Abstract Preface Introduction Field test sites Frost-susceptibility index testing Index tests selected Laboratory test results Conclusions Soil column and dual gamma system Design features Test results Mathematical model of frost heave and thaw settlement Model development Numerical approach Probabilistic concepts Model verification Discussion Seasonal variation in the resilient modulus of granular soils Characterization by laboratory testing Field verification Summary of predictive approach Simulating frost heave and pavement deflection Method of evaluation Results and discussion Summary of findings Frost-susceptibility index tests Soil column and dual gamma system Mathematical model of frost heave and thaw settlement Seasonal variation in resilient modulus of granular soils Implementation of research findings Corps of engineers frost design soil classification system New laboratory freeze-thaw test Frost-heave model Repeated-load triaxial test on frozen and thawed soil Evaluation of seasonal variation of resilient modulus Literature cited
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  • 21
    Call number: MOP 45384/5 / Mitte
    In: WMO TD / World Meteorological Organization, No. 1
    Type of Medium: Series available for loan
    Pages: ii, 52 Seiten , 29 cm
    Series Statement: WMO TD / World Meteorological Organization 1
    Language: English
    Location: MOP - must be ordered
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  • 22
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/14
    In: CRREL Report, 86-14
    Description / Table of Contents: Three methods for determining the frost susceptibility of soils are evaluated in this report. These methods are the U.S. Army Corps of Engineers frost design soil classification system, a moisture-tension/hydraulic-conductivity test, and a laboratory freeze-thaw test. The Corps method, which is based on particle size, soil classification, and a laboratory freezing test, was found to be useful for identifying frost-susceptibility. The moisture-hydraulic-conductivity test was found to be unacceptable because it required too much time and its results correlated poorly with field observations. The freeze-thaw test was determined to be the most accurate of the methods studied, including the freeze test that is a part of the Corps method. The freeze-thaw test is thoroughly described. It includes indexes of both frost-heave susceptibility (heave rate) and thaw-weakening susceptibility (CBR after thawing). It also accounts for the effects of freeze-thaw cycling and is completely automated to improve the repeatability of the test results. It is suggested that the freeze-thaw test considered as a replacement for the Corps freezing test.
    Type of Medium: Series available for loan
    Pages: v, 56 Seiten , Illustrationen
    Series Statement: CRREL Report 86-14
    Language: English
    Note: Contents Abstract Preface Introduction Description of the selected sites Corps of engineers frost design soil classification system Moisture-tension/hydraulic-conductivity tests Freezing test Validation Description of test sites and materials Sample preparation Results and analysis of laboratory tests Corps of engineers frost design soil classification system Moisture-tension/hydraulic-conductivity test Freezing test Discussion Conclusions Recommendations Literature cited Appendix A: Summary of frost-susceptibility tests on natural soil
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  • 23
    Series available for loan
    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-4
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 4
    Type of Medium: Series available for loan
    Pages: XIX, Seite1097-1458 , Illustrationen
    Language: English
    Note: VOLUME IV PART 2: POSTER CONTRIBUTIONS (continued) P. Rudolph, A. Lange, J. Flachowsky: THE DETERMINATION OF GOLD DEPTH DISTRIBUTION IN SEMICONDUCTOR SILICON - POTENTIAL INTERFERENCES INHERENT IN NAA BY RADIATION DAMAGES E. Hoentsch, J. Flachowsk: INVESTIGATION OF NICKEL-PLATING ON SEMICONDUCTOR SILICON WAFERS K. Mauersberger, J. Flachowsky: POSSIBLE LOSSES OF TRACE AND ULTRATRACE ELEMENTS DURING PRECONCENTRATION OF SEMICONDUCTOR-GRADE REAGENTS H. Wagler, J. Flachowsky: A SIMPLE CHEMICAL METHOD FOR THE SEPARATION OF PHOSPHORUS INTERFERING THE TRACE ELEMENT DETERMINATIONS BY NEUTRON ACTIVATION ANALYSIS IN HIGH DOPED SILICON WAFERS H.-J. Große, J . Adler, H.-R. Döring, H. Nietzschmann: APPLICATION OF THE AEROSOLIONIZATION GAS ANALYZER AIG IN MICROELECTRONICS M. Kosinova, P. Tendera: WEAR INVESTIGATION OF MACHINE PARTS BY CHARGED PARTICLES SURFACE ACTIVATION J. Kras: DETERMINATION OF SLIDE BEARINGS WEAR IN DIESEL ENGINES K. Eichhorn, P. Hammer, S. Turuc, Ch. Eifrig: PRECISE ACTIVATION FOR WEAR STUDIES AT THE ROSSENDORF TANDEM ACCELERATOR P. Hammer, K. Eichhorn, Ch. Eifrig: A STUDY OF WEAR IN REFRIGERATING MACHINES USING THIN LAYER ACTIVATION A. Kalicki., L. Waliś: THE PRINCIPLE OF THE β-X INTERNAL EXCITATION APPLICATION FOR DETERMINATION OF ELEMENTS IN THIN METALLIC FILMS E. Kowalska, P. Urbański: DETERMINATION OF TIN AND LEAD IN GALVANIC BATH AND LEAD IN Sn-Pb PLATINGS WITH SIMULTANEOUS COATING THICKNESS MEASUREMENT K. Mauersberger, B. Bayerl: DETERMINATION OF Tc-99 BY FLAME AAS B. Machaj, F. Zrudelny, A. Sikora, J. Jaszczuk: MICROPROCESSOR ISOTOPE GAUGES FOR MEASUREMENT OF COATING THICKNESS AND OF AIR DUST POLLUTION Z. Joks, M. Krejci: APPLICATION OF RADIOISOTOPES FOR CORROSION TESTS OF INDUSTRIAL PLASTICS G. Hartmann, P. Kulicke, C. Jonas, A. Walter: INVESTIGATION ON CHLORIDE-INITIATED STRESS CORROSION OF STAINLESS STEEL BY USE OF CHLORINE-36 AND AUTORADIOGRAPHY J. Flachowsky, P. Kulicke, G. Hartmann, N. Schütze: LOCALIZATION OF THE ORIGIN OF DEFECTS IN HIGH-CLASS CASTINGS BY RADIOTRACER TECHNIQUES AND AUTORADIOGRAPHY H. Kupsch, H. Bruchertseifer, W. Heller: METHOD FOR THE RAPID DETECTION OF LEAKAGES IN OIL PIPES A.G. Chmielewski: RADIOTRACERS IN SOME INDUSTRIAL AND ENVIRONMENTAL PROBLEMS S. Szpilowski, A. Owczarczyk: INVESTIGATION OF TRANSPORT OF EFFLUENT IN NATURAL STREAMS USING RADIOISOTOPE AND DYE TRACERS A. Owczarczyk, s. Szpilowski: APPLICATION OF RADIOISOTOPE TRACERS FOR BEDLOAD SEDIMENT TRANSPORT STUDY IN RIVERS AND MARINE BREAKER ZONE I. Röske, H.-C. Abendroth, D. Luther, H.-G. Könnecke: TRACER STUDIES ON THE REMOVAL OF WATER ENDANGERING SUBSTANOES FROM MUNICIPAL WASTE WATERS A. Zeuner, F. Hartmann: RESIDENCE TIME INVESTIGATION AND MATERIAL BALANCE FOR FRESH AND WASTE WATER IN A RAYON BY RADIOISOTOPE APPLICATION A.G. Chmielewski, A. Dobrowolski: THE FALL OF EQUALIZATION MYTH-RADIOTRACER INVESTIGATIONS OF THE CASE J. Halova, J. Schön, J. Thýn: THE ANALYSIS OF DATA FROM TRACER EXPERIMENTS WITH THE FLOW APPARATUSES FOR RADWASTE MANAGEMENT S. Mothes, P. Popp, G. Oppermann, J. Baumbach: AIR POLLUTION MEASUREMENTS WITH ELECTRON CAPTURE DETECTORS (ECD) C. Ghounchev: ACTIVATION ANALYSIS OF HEAVY METALS IN SOIL AND PLANTS IN SOME INDUSTRIAL REGIONS OF THE COUNTRY M. Borkowski, W. Smulek: RADIONUOLIDES IN STUDYING THE SORPTION OF METALS BY CHITIN AND CHITOSAN R. Bäuerlein: EVALUATION OF THE DEGREE OF CROSSLINKING OF HEAT SHRINKABLE PRODUCTS K. Posselt, W. Hädrich: CHARACTERIZATION OF THE DEGREE OF CROSS-LINKING IN RADIATION CROSS-LINKED LOW AND HIGH DENSITY POLYETHYLENES E. Takács: RADIATION CROSS-LINKING OF PLASTICIZED PVC WITH POLYFUNCTIONAL MONOMERS W. Hädrich, K. Posselt, C. Lippmann, H. Wagner, H.-J. Heinrich: DEPTH DOSE IN ELECTRON IRRADIATED POLYETHYLENE LAYERS IN DEPENDENCE ON THE ANGLE OF INCIDENCE U. Decker, J. Bös, L. Richter, M. Remer: CHARGE ACCUMULATION AND STORAGE IN POLYETHYLENE IRRADIATED WITH PULSES OF FAST ELECTRONS E. Jaworska: THE INFLUENCE OF IRRADIATION TEMPERATURE ON STRESSES IN DEFORMED POLYETHYLENE W. Hädrich, T. Nestler, K. Posselt: THERMAL STRESS IN THE POLYETHYLENE INSULATION OFCABLES DURING IRRADIATION WITH HIGH ENERGY ELECTRONS W. Pekala, T. Achmatowicz: POST-RADIATION GRAFTING OF METHACRYLIC ACID ONTO POLYETHYLENE FILM J. Schmidt, H. Mai: ELECTRON BEAM CURING OF COATINGS E. Jaworska, S. Wawrzak, I. Kaluska: HEAT SHRINKABLE TAPES IN POLAND A. Robalewski et al.: POLISH HEAT SHRINKABLE TUBING TECHNOLOGY S. Galant, W. Pekala, J. Rosiak: USING OF THE RADIATION TECHNOLOGY TO THE PREPARATION OF POLYMERIC MATRIX CAPABLE TO THE CONTROLLED RELEASE OF DRUG TO EYE R. Krejzler et al.: NEW ROUTINE POLYETHYLENE DOSIMETER: DOSE RANGE 40-400 kGy Z. Zimek: THE USE OF ELECTRICAL SENSORS OF RADIATION FOR DIGITAL CONTROL IN RADIATION PROCESSING Z. Bulhak et al.: RADIATION STERILIZATION WITH THE ELECTRON LINEAR ACCLERATOR LAE 13/9 M. Remer, W. Bogus, W. Pekala: FIRST EVALUATION OF THE GAMMA IRRADIATION CHAMBER OF THE TU ŁODZ BY MEANS OF THE CODES DOSKMF2 AND ISORADL O. Brede, R. Hermann, R. Mehnert: ORGANIC COOLANTS FOR NUCLEAR REACTORS W. Wroński, J. Wisłowski: THE LABORATORY TESTING SYSTEM FOR RADIATION RESISTANCE INVESTIGATIONS OF INTEGRATED CIRCUITS AUTHOR INDEX
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  • 24
    Call number: MOP 46624/3 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: VI, 293 Seiten
    Series Statement: Effects of changes in stratospheric ozone and global climate 3
    Language: English
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  • 25
    Call number: MOP 46624/4 / Mitte
    In: Effects of changes in stratospheric ozone and global climate
    Type of Medium: Monograph available for loan
    Pages: VI, 193 Seiten
    Series Statement: Effects of changes in stratospheric ozone and global climate 4
    Language: English
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  • 26
    Monograph available for loan
    Monograph available for loan
    Budapest : Vízügyi Dokumentációs Szolgáltató Leányvállalat
    Call number: MOP 46596 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 124 Seiten , Illustrationen
    ISBN: 9636023565
    Language: English
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  • 27
    Call number: MOP 46028/1983 / Mitte
    In: World weather watch : Consolidated report on the voluntary co-operation programme including projects approved for circulation, 1983
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    Language: English
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  • 28
    Call number: MOP 46816 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 547 Seiten
    Language: English
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  • 29
    Call number: MOP 47382 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 161 Seiten , 30 cm
    Series Statement: Technical documents in hydrology
    Language: English
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  • 30
    Journal available for loan
    Journal available for loan
    Tübingen : Mohr Siebeck ; 1.1884 - 48.1931; N.F. 1.1932/33 - 10.1943/44(1945),3; 11.1948/49(1949) -
    Call number: ZS 22.95039
    Type of Medium: Journal available for loan
    Pages: Online-Ressource
    ISSN: 1614-0974 , 0015-2218 , 0015-2218
    Language: German , English
    Note: N.F. entfällt ab 57.2000. - Volltext auch als Teil einer Datenbank verfügbar , Ersch. ab 2000 in engl. Sprache mit dt. Hauptsacht.
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  • 31
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Doubleday
    Call number: 1.2/M 97.0061 ; 1.2/M 97.0060 ; 1.2/M 96.0170
    Type of Medium: Monograph available for loan
    Pages: 571 S.
    Edition: 3rd Ed.
    ISBN: 0385181019
    Classification:
    E.5.
    Language: English
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  • 32
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Univ. Pr.
    Call number: MOP 46167 / Mitte
    Type of Medium: Monograph available for loan
    Pages: v, 233 S. : Ill., graph. Darst.
    ISBN: 0521251389
    Language: English
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  • 33
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/2 ; 15/13860/2
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 906 S.
    ISBN: 0132463725
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 34
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/3 ; 15/13860/3
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 1101 S.
    ISBN: 0132463806
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 35
    Call number: M 96.0537/7 ; 15/13860/7
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 956 S.
    ISBN: 0132464225
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 36
    Call number: M 96.0537/1 ; 15/13860/1
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xxi, 868 S.
    ISBN: 0132463644
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 37
    Call number: ZSP-980-89 ; ZSP-980-89(2. Ex.)
    In: ZfI-Mitteilungen ; 89, Nr. 89
    Type of Medium: Series available for loan
    Pages: 132 S. , Ill., graph. Darst., Kt.
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 89
    Language: English
    Note: Contents: Preface. - Tritium in Antarctic precipitation - information on global distribution / D. Hebert. - On the physical geography of the Schirmacher Oasis (East Antarctica, Dronning Maud Land) / W. Richter. - Investigation of Deuterium concentration relations between atmospheric water vapour and precipitations in the Schirmacher Oasis, East Antarctica / P. Kowski. - Isotope-hydrological and hydrochemical characterization of lakes in the Schirmacher Oasis (East Antarctica) / W. Richter, U. Wand, G. Strauch, P. Kowski, W. Kurze. - Isotope-hydrological and hydrochemical studies of the interior Antarctic lake "Untersee" in the Wohlthat Massif, Dronning Maud Land, East Antarctica / W.-D. Hermichen, M. Crelle, P. Kowski, W. Kurze, U. Wand. - The isotope-glaciological situation in the surroundings of the Schirmacher Oasis/Dronning Maud Land - a first overview / W.-D. Hermichen, P. Kowski, G. Strauch. - Radiocarbon dating of breeding places of petrels in the Antarctic / A. Hiller, U. Wand. - K - Ar dating of basalt dykes in the Schirmacher Oasis, Dronning Maud Land, East Antarctica / G. Kaiser, U. Wand.
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  • 38
    Monograph available for loan
    Monograph available for loan
    [Edgecumbe, N.Z.] : A. Muller
    Call number: M 15.89146
    Description / Table of Contents: An account of the results of the 2 March 1987 earthquake in the eastern Bay of Plenty and the aftermath's effects on the people and places on the Rangitaiki Plains
    Type of Medium: Monograph available for loan
    Pages: 223 S., , Ill.
    Language: English
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  • 39
    Monograph available for loan
    Monograph available for loan
    Darmstadt : Steinkopff
    Call number: MOP 46575 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XIX, 714 S.
    ISBN: 9061914698
    Series Statement: Scientific research reports. Natural sciences series 71
    Uniform Title: Felder, Ströme und Aerosole in der unteren Troposphäre
    Language: English
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  • 40
    Monograph available for loan
    Monograph available for loan
    Oxford : Oxford Univ. Press
    Associated volumes
    Call number: 17/M 17.90969/1
    Type of Medium: Monograph available for loan
    Pages: XI, 622 Seiten
    Edition: First edition published in 1984, reprinted 2011
    ISBN: 0198556020
    Series Statement: International series of monographs on chemistry 9
    Language: English
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  • 41
    Call number: AWI Bio-99-0305-3
    In: Atlas of North European vascular plants, 3
    Type of Medium: Monograph available for loan
    Pages: S. 969 - 1172
    ISBN: 3874292614
    Language: English
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  • 42
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/2
    In: CRREL Report, 84-2
    Description / Table of Contents: Investigations of the in situ complex dielectric constant of sea ice were made using time-domain spectroscopy. It was found that (1) for sea ice with a preferred horizontal crystal c-axis alignment, the anisotropy of polarizing properties of the ice increased with depth, (2) brine inclusion conductivity increased with decreasing temperature down to about -8 C, at which point the conductivity decreased with decreasing temperature, (3) the DC conductivity of sea ice increased with increasing brine volume, (4) the real part of the complex dielectric constant is strongly dependent upon brine volume but less dependent upon the brine inclusion orientation, (5) the imaginary part of the complex dielectric constant was strongly dependent upon brine inclusion orientation but much less dependent upon brine volume. Because the electromagnetic (EM) properties of sea ice are dependent upon the physical state of the ice, which is continually changing, it appears that only trends in the relationships between the EM properties of natural sea ice and its brine volume and brine inclusion microstructure can be established.
    Type of Medium: Series available for loan
    Pages: vi, 38 Seiten , Illustrationen , 1 Beilage
    Series Statement: CRREL Report 84-2
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Dielectric properties of sea ice Time-domain spectroscopy measurement Laboratory measurements Field measurements Analysis of ladder data Conductivity of brine and sea ice Complex dielectric constant of brine and sea ice Discussion and conclusions Literature cited
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  • 43
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/8
    In: CRREL Report, 84-8
    Description / Table of Contents: This report describes the equipment and procedures that were used for acquiring, preparing and testing samples of multi-year sea ice. Techniques and procedures are discussed for testing ice samples in compression and tension at constant strain rates and constant loads, as well as in a conventional triaxial cell. A detailed account is given of the application and measurement of forces and dispiacements on the ice test specimens under these different loading conditions.
    Type of Medium: Series available for loan
    Pages: iv, 43 Seiten , Illustrationen
    Series Statement: CRREL Report 84-8
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test material and test specimens Test material Required dimensions for test specimens Acquisition and preparation of specimens Field core sampling Specimen preparation in the laboratory Application of forces and displacements to uniaxial specimens Compression Tension Squareness imperfections Loading devices Universal testing machine Gas actuator for constant load Weight-and-pulley system for constant tension Equipment for triaxial tests Measurement of force and displacement Force Displacement Readouts and recorders Literature cited Appendix A: Phenolic-resin end caps Appendix B: Compliant platens Appendix C: Theoretical factor for converting overall strain to gauge-length strain indumbbell specimens Appci dix D: Items developed but not used in Phase I Appendix E: Use of the Brazil test
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  • 44
    Call number: AWI G2-18-91716
    Type of Medium: Monograph available for loan
    Pages: 134 S , Ill., graph. darst , 24 cm
    Language: English
    Note: CONTENTS: 1. Introduction. - 1.1. Research at the NEA dumpsite: CRESP and the DORA project. - 1.2. Acknowledgments. - 1.3. Source term: the radionuclides of interest. - 2. Material and methods. - 2.1. Cruises to the dumpsite. - 2.2. Sampling scheme. - 3. Geochemistry. - 3.1. Introduction. - 3.2. Methods. - 3.3. Recent sedimentological history. - 3.4. Elemental and mineralogical composition of the sediment. - 3.4.1. Mineralogical composition. - 3.4.2. Major elements. - 3.4.3. Trace elements. - 3.5. Early diagenetic reactions in the sediment. - 3.5.1. Mineralization of organic matter. - 3.5.1.1. Sequence of electron acceptors and changes in redox conditions. - 3.5.1.2. Oxygen reduction. - 3.5.1.3. Nitrate, manganese and iron reduction. - 3.5.1.4. Sulfate reduction. - 3.5.2. Cation exchange. - 3.5.3. Dissolution of carbonates. - 3.6. Trace element diagenesis. - 3.6.1. Trace metals. - 3.6.2. Mn, Fe, Co. - 3.6.3. Cu, Ni, Cd, Zn. - 3.6.4. Rare earth elements. - 3.6.5. Trace element mobility; the concept of distribution coefficients. - 3.7. Diagenetic modeling. - 3.8. Measurements in the nepheloid layer. - 3.9. Conclusions on the behaviour of each of the radionuclides of major concern. - 4. Biology. - 4.1. Introduction. - 4.2. Methods. - 4.2.1. Meiofauna. - 4.2.2. Macrofauna and large meiofauna. - 4.2.3. Megafauna. - 4.2.4. Diversity of Nematoda. - 4.2.5. Trophic structure of Nematoda. - 4.3. Results and discussion. - 4.3.1. Meiofauna. - 4.3.1.1. Density. - 4.3.1.2. Biomass. - 4.3.1.3. Horizontal distribution. - 4.3.1.4. Vertical distribution. - 4.3.1.5. Composition and trophic structure of the Nematoda fauna. - 4.3.1.6. Diversity of Nematoda. - 4.3.2. Macrofauna. - 4.3.3. Large meiofauna. - 4.3.4. Comparison of meio- and macrofauna. - 4.3.5. Megafauna. - 4.3.6. Chemical analyses of bottom fishes. - 4.4. Foodweb. - 4.5. Primary production. - 4.6. Conclusions. - 5. Bioturbation. - 6. Summary and conclusions regarding the fate of radionuclides released at the seafloor. - 7. References.
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  • 45
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/7
    In: CRREL Report, 86-7
    Description / Table of Contents: Nitrogen control in the form of ammonia removal or conversion is required, or will be required, for a significant number of military wastewater treatment systems. This reportpresents a summary of engineering criteria for those processes in most common use at military facilities in the cold regions. These processes include: trickling filters, treatmentponds, rotating biological contactors (RBC) and activated sludge. A design example is presented for each case. All four processes can achieve significant levels of ammonia removalor conversion. If ammonia discharge limits are 0.5 mg/L or less it may be necessary to use the activated sludge process. Trickling filters or RBC units are recommended for higher(〉 1 mgIL) discharge limits. Pond systems are suitable for seasonal ammonia removal incold climates.
    Type of Medium: Series available for loan
    Pages: iv, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 86-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background and theory Trickling filters Introduction Design procedure Design example Winter operations Pond systems Introduction Design procedure Design example Winter operations Rotating biological contactors Introduction Design procedure Design example Winter operations Activated sludge systems Introduction Design procedure Design example Winter operations Comparison of alternatives Conclusions Literature cited
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  • 46
    Series available for loan
    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-1
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 1
    Type of Medium: Series available for loan
    Pages: 375 Seiten , Illustrationen
    ISSN: 0323-8776
    Language: English
    Note: CONTENTS VOLUME I PART 1: PLENARY AND DISCUSSION LECTURES R.J.B. Hadden: RADIONUCLIDES FOR PROCESS CONTROL AND INSPECTION J. Guizerix: TRENDS AND OPEN QUESTIONS IN INDUSTRIAL TRACER APPLICATIONS A. S. Shtan, V. A. Mashinin Zh.I. Matalygina: NEUTRON ACTIVATION ANALYSIS OF GEOLOGICAL SAMPLES WITH THE APPLICATION OF RADIONUCLIDE NEUTRON SOURCES W. Michaelis: RADIONUCLIDES IN ENVIRONMENTAL RESEARCH AND PROTECTION J.K. Miettinen: RADIONUCLIDES IN ENVIRONMENT J. W. Leonhardt: RADIOISOTOPES IN ENERGETICS K. Przewlocki: APPLICATION OF NUCLEAR TECHNIQUES IN MINING INDUSTRY K. Wetzel: TRACERS IN GEOCHEMICAL AND ENVIRONMENTAL RESEARCH A. K. Pikaev: ENVIRONMENTAL APPLICATION OF RADIATION PROCESSING R. Otto: LABELLED COMPOUNDS FOR TRACER INVESTIGATIONS IN INDUSTRY R. Otto, H.-G. Könnecke, D. Luther, P. Hecht: RADIONUCLIDES FOR PROCESS ANALYSIS - PROBLEMS AND EXAMPLES Z. Málek: PRESENT STAGE OF CO-OPERATION OF THE CMEA MEMBER COUNTRIES IN THE FIELD OF ISOTOPE AND RADIATION TECHNOLOGY E.A. Abramyan: HIGH POWER ELECTRON ACCELERATORS IN RADIATION PROCESSING J. Sivinski: CURRENT AND FUTURE INITIATIVES OF THE U.S. DEPARTMENT OF ENERGY IRRADIATION PROGRAM ACTIVITIES J. Bös, J. Schmidt, U. Decker, H. Mai, L. Richter: ON THE APPLICATION OF SOME METHODS FOR THE INVESTIGATION OF RADIATION-INDUCED PROCESSES IN POLYETHYLENE H.-J. Heinrich, K. Posselt, W. Hädrich, L. Röhr, D. Flügge: ASPECTS OF IRRADIATION TECHNOLOGY CONCERNING THE CROSSLINKING OF CABLE AND WIRE INSULATIONS AND OF TUBES BY HIGH ENERGY ELECTRONS P. Popp, J.W. Leonhardt, G. Oppermann, H. Merten: THE HELIUM-DETECTOR: THEORY AND PRACTICE H.-H. Deicke: ASPECTS OF RADIATION PROTECTION IN THE APPLICATION OF RADIOTRACERS FOR RESEARCH IN INDUSTRIAL PLANTS
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  • 47
    Call number: MOP 46293/A / Mitte
    In: United States Antarctic Research Report to SCAR, No. 26
    Type of Medium: Series available for loan
    Series Statement: United States Antarctic Research Report to SCAR 26
    Language: English
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  • 48
    Monograph available for loan
    Monograph available for loan
    Tempe, Arizona : Laboratory of Climatology, Arizona State University
    Call number: MOP 46625 / Mitte
    Type of Medium: Monograph available for loan
    Series Statement: CO₂/climate dialogue 1,2
    Language: English
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  • 49
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/3
    In: CRREL Report, 84-3
    Description / Table of Contents: The results of resistance tests in level ice and broken ice channels are presented for two models of the WTGB 140-fticebreaker at scales of 1:10 and 1:24, respectively. No scale effect on the resistance in level ice could be detected between the two models. From the test results an empirical predictor equation for the full scale ice resistance is derived. Predicted resistance is compared against, and found to be 25 to 40% larger than, available full-scale values estimated from thrust measurements during full-scale trials of the Great Lakes icebreaker Katmai Bay.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-3
    Language: English
    Note: COTENTS Abstract Preface Nomenclature Introduction Model characteristics and test conditions Ice-hull coefficient of friction Measurements of ice properties Experimental procedures Data acquisition system Test program and procedures for 1:10 model Test program and procedures for 1:24 model Analysis of test results Comparison of test results between 1:10 and 1:24 models Analysis of tests in broken or brash-filled ice channels Analysis of tests in level ice Full-scale prediction of level ice resistance Conclusions Literature cited
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  • 50
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/6
    In: CRREL Report, 84-6
    Description / Table of Contents: An expression relating aerosol growth to cold environmental conditions was developed. This was accomplished by solving the diffusion equation with the method of Laplace transformation. The series solution was expressed in terms of the dimensionless parameters K (ratio of vapor density over droplet surface to droplet density), ω (ratio of environmental vapor density at time zero to vapor density over droplet surface), and dimensionless time τ (ratio of product of diffusion coefficient D and time t to square of initial radius of condensation nucleus). To take into account the variation of the vapor density over the surface of an acidic condensation nucleus due to the continuous dilution of the droplet, the solution was obtained by assuming various levels of constant vapor concentration. The final expression [R/R sub o - 1 = 2.4917 x 10 to the minus 18th power) exp(0.0737 θ) (P sub RHS/25) x (100-P sub RHS) τ to the 0.9890 powder] can be used to compute the value of R once the values of initial radius R sub o, relative humidity P sub RH, percent of relative humidity at the droplet surface P sub RHS, and environmental temperature θ are given.
    Type of Medium: Series available for loan
    Pages: vi, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 84-6
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature General background The problem Method of solution Results and discussion Conclusions Literature cited Appendix: Evaluation of rn's in equation 25
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  • 51
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/5
    In: CRREL Report, 84-5
    Description / Table of Contents: Diatom species composition and relative abundances were determined for ice cores obtained from Weddell Sea pack ice during the October-November 1981 Weddell Polynya Expedition (WEPOLEX). Ice thickness and salinity indicate that the ice was less than one year old. The predominant ice type (70%) was frazil, which has the capacity to mechanically incorporate biological material through nucleation and scavenging. Diatoms were found throughout the length of the cores. Species showed down-core fluctuations in abundance that appeared to be correlated with changes in ice type. Pennate forms were more abundant than centrics, the average ratio being 16:1. Diatom frustules with intact organic material were more abundant (5 billion cells/liter). Differences in species abundances are attributed initially to incorporation of algal cells from a temporally changing water column and subsequently to diatom reproduction within the ice. Scanning electron micrographs illustrating the morphologic characteristics of the predominant species are included.
    Type of Medium: Series available for loan
    Pages: iv, 46 Seiten , Illustrationen
    Series Statement: CRREL Report 84-5
    Language: English
    Note: Contents Abstract Preface Introduction Materials and methods Results Discussion Conclusions Literature cited Appendix A: Taxonomic terms Appendix B: Differences in species composition and abundance in duplicate samples examined under optical and inverted light microscopes Appendix C: Morphologic descriptions and SEM micrographs
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  • 53
    Call number: MOP 47171 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 293 Seiten , Illustrationen
    Language: English
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  • 54
    Call number: MOP 46292/B / Mitte
    In: United Kingdom Antarctic research report, 1984
    Type of Medium: Series available for loan
    Series Statement: United Kingdom Antarctic research report 1984
    Language: English
    Location: MOP - must be ordered
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  • 55
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/4 ; 15/13860/4
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xi, 914 S.
    ISBN: 0132463989
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 56
    Monograph available for loan
    Monograph available for loan
    Dordrecht [u.a.] : Nijhoff
    Associated volumes
    Call number: M 96.0400
    In: Mechanics of elastic stability
    Type of Medium: Monograph available for loan
    Pages: x, 135 S.
    ISBN: 9024733197
    Series Statement: Mechanics of elastic stability 10
    Classification:
    Petrophysics
    Language: English
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  • 57
    Call number: M 17.90889
    Type of Medium: Monograph available for loan
    Pages: VI, 180 S. , Ill., graph. Darst.
    ISBN: 9150605046
    Language: English
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  • 58
    Monograph available for loan
    Monograph available for loan
    Garmisch-Partenkirchen : Institut für atmosphärische Umweltforschung der Fraunhofer- Gesellschaft
    Call number: MOP 44829 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 25 S. , graph. Darst.
    Language: English
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  • 59
    Call number: AWI Bio-99-0305-1
    In: Atlas of North European vascular plants, 1
    Type of Medium: Monograph available for loan
    Pages: XVI, 498 S.
    ISBN: 3874292592
    Language: English
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  • 60
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/24
    In: CRREL Report, 84-24
    Description / Table of Contents: This report describes the growth characteristics and crystalline textures of urea ice sheets which are now used extensively in the Cold Regions Research and Engineering Lab. (CRREL) test basin for modeling sea ice. The aims of the report are to describe the different kinds of crystalline texture encountered in urea ice sheets and to show that even small variations in texture can drastically influence the mechanical behavior of urea ice sheets. Standard petrographic techniques for studying microstructure in thin sections were used on 24 urea ice sheets. These investigations entailed observations of the crystalline texture of the ice (including details of the subgrain structure), grain size measurements, and studies of the nature and extent of urea entrapment and drainage patterns in the ice. Increased knowledge of the factors controlling the crystalline characteristics of urea ice sheets has progressed to the point where test basin researchers at CRREL are now able to fabricate ice sheets with prescribed structures leading to predictable mechanical properties. Originators supplied keywords include: Sea ice, and Mechanical properties.
    Type of Medium: Series available for loan
    Pages: iv, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 84-24
    Language: English
    Note: Contents: Abstract Preface Introduction Objectives Analytical techniques Procedures for growing urea ice sheets Analysis of the crystalline structure of urea ice Characteristics of urea ice Results and discussion Ice sheet no. 1 Ice sheet no. 2 Ice sheet no. 3 Ice sheet no. 4 Ice sheet no. 5 Ice sheet no. 6 Ice sheet no. 7 Ice sheet no. 8 Ice sheet no. 9 Ice sheet no. 10 Ice sheet no. 11 Ice sheet no. 12 Ice sheet no. 13 Ice sheet no. 14 Ice sheet no. 15 Ice sheet no. 16 Ice sheet no. 17 Ice sheet no. 18 Ice sheet no. 19 Ice sheet no. 20 Ice sheet no. 21 Ice sheet no. 22 Ice sheet no. 23 Ice sheet no. 24 Urea concentrations in test tank solution and ice Discussion and conclusions E/σf ratio Thickness of incubation layer Crystal properties Literature cited Appendix A: Thin sections of urea ice sheets
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  • 61
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/12
    In: CRREL Report, 84-12
    Description / Table of Contents: Icing on stationary structures such as oil rigs is becoming an increasingly serious problem as offshore drilling operations in the subpolar regions become more common. Little information exists on this subject. Extensive observations have been made of icing on the upper structures of moving ships, but the complexity of this problem makes analysis of the results very difficult. Even the generation of water drops in this case involves many factors, such as windspeed, wave direction relative to the bearing of the ship, and size and free-board of the ship. On stationary structures, however, the problem is much simpler, since the major factor in drop generation is whitecaps produced by wind, and no motion of the structure is involved. In the present study, a theoretical calculation was made by combining the data available on the generation of drops by wind with data on the proportion of ice frozen from the collected water. The rate of ice accumulation on stationary structures was calculated using published data. The results were compared with icing measured on board ships. Although the general trend of this calculation indicated parallelism with the onboard measurements, the measured ice accumulation rate on ships needed a 5 to 8 m/s higher windspeed to correspond with the calculated rate for stationary structures.
    Type of Medium: Series available for loan
    Pages: ii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 84-12
    Language: English
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  • 62
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/18
    In: CRREL Report, 84-18
    Description / Table of Contents: This report investigates the influences of turbulence and water temperature on frazil ice formation. The rate and thequantity of frazil ice formed in a specified volume of supercooled water increase with both increasing turbulence inten-sitv and decreasing water temperature. The influence of turbulence intensity on the rate of frazil ice formation, how-ever. is more pronounced for larger initial supercooling. The turbulence characteristics of a flow affect the rate offrazil ice formation by governing the temperature to which the flow can be supercooled, by influencing heat transferfrom the frazil ice to surrounding water, and by promoting collision nucleation, particle and floc rupture and increasingthe number of nucleation sites. larger frazil ice particles formed in water supercooled to lower temperatures. The par-ticles usually were disks, with diameters several orders greater than their thickness. Particle size generally decreased with increasing turbulence intensity. This report develops an analytical model, in which the rate of frazil ice formation isrelated to temperature rise of a turbulent volume of water from the release of latent heat of fusion of liquid water toice. Experiments conducted in a turbulence jar with a heated, vertically oscillating grid served both to guide and tocalibrate thanalytical'model as well as to afford insights into frazil ice formation. The formation of frazil ice wasstudied for Vemperatures of supercooled water ranging from -0.9° to -0.050°C.
    Type of Medium: Series available for loan
    Pages: vi, 50 Seiten , Illustrationen
    Series Statement: CRREL Report 84-18
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Background Scope of study Literature review Introduction Incipient formation of frazil ice Particle size and evolution of frazil ice Influences of turbulence and water temperature on the rate of frazil ice formation Conclusions Analytical model Introduction Elements of heat transfer Elements of turbulence Experimentation Experimental apparatus Experimental procedure Results Introduction Nucleation of frazil ice Influences of turbulence on frazil ice formation Water temperature Influences of water temperature and turbulence on the concentration of frazil ice Frazil ice particle shape and size Conclusions Literature cited Appendix A: Preliminary frazil ice experiments Flume experiments Couette-flow Appendix B: Listing of computer program for calculation of frazil ice formation Appendix C: Water temperature rise attributable to frazil ice formation as computed usingthe analytical model .
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  • 63
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/17
    In: CRREL Report, 86-17
    Description / Table of Contents: Rime icing and freezing precipitation are of concern to the radio and television broadcasting industry. This report contains the results of a study seeking to document the severity and extent of transmitter tower icing and related problems in the northeastern United States. Information was obtained via mail questionnaire and telephone interviews with 85 station owners and engineers concerning 118 different stations. Results show that television and FM broadcasters are seriously impacted by tower icing; however, AM operators are usually not affected by expected New England icing levels. Combined annual costs for icing protection and icing-related repairs averaged $121, $402 and $3066 for AM, FM and TV stations respectively. None of the AM stations polled employ any icing protection in the three northern states averaged 80%, indicating a significant concern for icing in that region. In contrast, the percentage of FM stations with icing protection was 63.5% for the southern New England states. The usage of guyed versus non-guyed towers was a poor indicator of icing costs. However, the factors of increasing mast height and mast top elevation are significant to increasing costs.
    Type of Medium: Series available for loan
    Pages: iv, 52 Seiten , Illustrationen
    Series Statement: CRREL Report 86-17
    Language: English
    Note: Contents Abstract Preface Introduction Background Types of accretions Problems caused by icing Prevention and shedding methods Results The survey Data presentation Discussion Survey response distribution Effect of icing protection on parameter averages Effect of tower type on parameter averages Moderate and more severe icing locations Relationship of climate, geography and topography to icing severity Total annual costs Conclusions Literature cited Appendix A: Tower icing survey Appendix B: Station summaries
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  • 64
    Call number: ZSP-SCAR-570-8
    In: National Antarctic Research Report to SCAR, No. 8
    Type of Medium: Series available for loan
    Pages: 33 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 8
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Members of Permanent Working Groups and Groups of Specialists of SCAR. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 1985 - October 1986. - II. Planned Activities, October 1986 - October 1987. - References. - Addenda to Former Reports. - Index of Activities.
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  • 65
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Wiley [u.a.]
    Call number: PIK M 490-19-93049
    Type of Medium: Monograph available for loan
    Pages: XV, 329 Seiten , Illustrationen, Diagramme , 25 cm
    ISBN: 0471849677 , 2705659803
    Uniform Title: L'ordre dans le chaos 〈engl.〉
    Language: English
    Location: A 18 - must be ordered
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  • 66
    Call number: ZSP-SCAR-570-6
    In: Antarctic Research Report to SCAR, No. 6
    Type of Medium: Series available for loan
    Pages: 38 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 6
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 83-October 84. - II. Planned Activities, October 84-October 85. - References.
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  • 67
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/4
    In: CRREL Report, 84-4
    Description / Table of Contents: Ice problems developed in the Sault Ste. Marie, Michigan, portion of the St. Marys River because of winter navigation. Passing ships and natural influences moved ice from Soo Harbor into Little Rapids Cut in sufficient quantities to jam, cause high water in the harbor, and prevent further ship passage. After physical model and engineering studies, two ice booms with a total span of 1375 ft (419 m) with a 250-ft (76-m) navigation opening between were installed at the head of Little Rapids Cut in 1975. A modest field study program on the booms was conducted for the ensuring four winters to determine ice and boom interaction and the effects of ship passages on the system. Forces on some anchors were recorded and supplemental data were taken by local personnel. Several reports have been written about the booms' early operations. This paper presents four-year summary of the main effects of the booms on ice and ship interaction and vice versa. Throughout the four winter seasons, the small quantities of ice lost over and between the booms were manageable. Ships usually passed through the boom without influencing the boom force levels, but at time they brought about large changes. One boom needed strengthening, and artificial islands were added for upstream ice stability. Coast Guard icebreakers were also a necessary part of winter navigation in this area.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 84-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction St. Marys River Ice problems Remedial measures Field studies Highlights, trends, and major findings Modifications to boom Maximum forces Ship traffic Characteristics Effect of boom forces Effect on ice Conclusion Literature cited Appendix A: Ice boom forces
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  • 68
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/7
    In: CRREL Report, 84-7
    Description / Table of Contents: Experiments were conducted in CRREL's refrigerated flume facility to examine the two-dimensional force distribution of a floating, fragmented ice cover restrained by a boom in a simulated river channel. To determine the force distribution, a vertically walled channel, instrumented for measuring normal and tangential forces, and an instrumented restraining boom were installed in a 40.0- by 1.3-m flume. Two sizes of polyethylene blocks and two similar sizes of fresh-water ice blocks were tested using water velocities ranging from 10 to 30 cm/s. The forces measured at the instrumented boom leveled off with increasing cover length. The contribution of the increasing shear forces developed along theshorelines to this leveling off in the data was clearly evident. The shear coefficients of the polyethylene blocks averaged 0.43, and the freshwater ice averaged 0.044. The normal force measured along the instrumented shoreline could not be related simply by a K coefficient to the longitudinal force; another expression was required, with a term being a function of the cover thickness and independent of the undercover shear stress or cover length. By adding this term, good agreement was then found between the measured and predicted values of the boom forces and the shoreline normal and shear forces
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experiments Test flume facility Experimental apparatus Experimental procedure Results Plastic versus freshwater ice Shoreline forces Boom forces Average shear stress under ice cover Internal forces Discussion Data scatter Summary and conclusions Literature cited Appendix A: Experimental results
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  • 69
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/2
    In: CRREL Report, 86-2
    Description / Table of Contents: The behavior of reinforced and unreinforced concrete beams was studied under impact loading at low temperatures, and the results were compared to the behavior of reinforcing steel (rebar) in Charpy-V impact tests. Transition temperatures as low as -30°C were obtained for the rebars in the Charpy-V tests whereas no brittle failures occured in the rebars in the reinforced concrete beams at the temperature as low as -63°C, even in beams whe're the rebars were Intentionally notched. The impact strength of unreinforced concrete increases considerably at lower temperatures, thus reducing cracking of reinforcedconcrete structures and significantly increasing the safety of lightly reinforced structures.
    Type of Medium: Series available for loan
    Pages: iii, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 86-2
    Language: English
    Note: Abstract Preface Introduction Tests Test specimens Test methods Results Impact strength of beanms Ductility of beams Effect of notched bars Elastic deflection of beams Impact tests on rebars Conclusions and summary Literature cited Appendix A: Beam crack patterns Appendix B: Photomicrographs of failure surfaces of some steels
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  • 70
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/5
    In: CRREL Report, 86-5
    Description / Table of Contents: This work presents the results of a study to examine the effects of grain size of internal microfractures in polycrystalline ice. Laboratory-prepared specimens were tested under uniaxial, constant-load creep conditions at -5 C. Grain size ranged from 1.5 to 6.0 mm. This range of grain size, under an initial creep stress of 2.0 MPa, led to a significant change in the character of deformation. The finest-grained material displayed no internal cracking and typically experienced strains of 10 to the minus 2nd power at the minimum creep rate epsilon. The coarse-grained material experienced severe cracking and a drop in the strain at epsilon min to approximately 4x10 to the minus 3rd power. Extensive post-test optical analysis allowed estimation of the size distribution and number of microcracks in the tested material. These data led to the development of a relationship between the average crack size and the average grain size. Additionally, the crack size distribution, when normalized to the grain diameter, was very similar for all specimens tested. The results indicate that the average crack size is approximately one-half the average grain diameter over the stated grain size range. A dislocation pileup model is found to adequately predict the onset of internal cracking. The work employed acoustic emission techniques to monitor the fracturing rate occurred. Other topics covered in this report include creep behavior, crack healing, the effect of stress level on fracture size and the orientation of cracked grains. Theoretical aspects of the grain size effect on material behavior are also given.
    Type of Medium: Series available for loan
    Pages: v, 79 Seiten , Illustrationen
    Series Statement: CRREL Report 86-5
    Language: English
    Note: CONTENTS Abstract Preface Background Present research in perspective Explanations of the grain-size dependency Grain size effects on the ductile to brittle transition Nucleation mechanisms and modeling Characteristic size of nucleated crack Cracking in ice Detection of internal fracturing by acoustic emission techniques Test methods Specimen preparation Creep testing apparatus Crack length and crack density measurements Crack healing measurements Thin section photographs Grain size determination Acquisition of acoustic emission data Presentation of results Specimen characteristics Microcrack measurements Creep behavior Crack healing Slip plane length distribution Acoustic emission observations Grain orientation Analysis and discussion Thick section observations The grain size vs crack size relationship Crack nucleation condition Crack density and specimen strain Creep behavior Normalized crack length Location of cracks Acoustic emission activity Summary and conclusions Suggestions for future work Literature cited Appendix A: Crack length histograms Appendix B: Crystal orientations
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  • 71
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-86/10
    In: CRREL Report, 86-10
    Description / Table of Contents: Icing of a four-bladed rotor was studied under natural conditions at the top of Mt. Washington, N.H. The rotor had two cylindrical blades and two airfoil blades. The results were compared with studies conducted in icing wind tunnels. Considerable differences in icing regimes were observed. For instance, with comparable liquid water content and wind speed the wet-to-dry growth regime transition temperature was up to 10 C higher under natural conditions than in the wind tunnel studies. Results of other studies made under natural conditions were close to those of the present study, indicating that wind tunnel conditions are significantly different from natural conditions. Close examination of the conditions indicated that supersaturation of water vapor existing in most of the wind tunnel studies is the most probable cause of the differences.
    Type of Medium: Series available for loan
    Pages: v, 68 Seiten , Illustrationen
    Series Statement: CRREL Report 86-10
    Language: English
    Note: CONTENTS Abstract Preface Introduction Site weather Site selection Equipment Rotor Data logger Rotoscope Laser profile camera Thin section preparation Run procedure Sample collection and shutdown Dry runs and static runs Results and discussion Wet-to-dry growth regime transition Stagnation line icing rate Icing rate on cylindrical and airfoil blades Liquid water content vs stagnation line icing rate Droplet capture efficiency index Temperature rise Morphological and crystallographic aspects Summary and conclusion Literature cited Appendix A: Chronology of events .. Appendix B: Narrative description of icing runs Appendix C: Weather summary sheets for test days Appendix D: Signal conditioner circuit diagram and sample printout
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  • 72
    Series available for loan
    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-2
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 2
    Type of Medium: Series available for loan
    Pages: XIX, Seite 377-747 , Illustrationen
    ISSN: 0323-8776
    Language: English
    Note: VOLUME II PART 1: PLENARY AND DISCUSSION LECTURES (continued) H. Baumbach: RADIOISOTOPE APPLICATIONS IN CIVIL ENGINEERING P. Urbański, S. Karamuz, D. Wagner: SOME ASPECTS OF THE INDUSTRIAL APPLICATION OF RADIOMETRIC METHODS ILLUSTRATED BY THE EXAMPLE OF THE DETERMINATION OF ASH, CAlCIUM AND IRON IN BROWN COAL USING XRF-TECHNIQUE AND THE LOW ENERGY X-RAY SCATTERING METHOD B.E. Fischer, R. Spohr: POTENTIAL APPLICATIONS OF THE NUCLEAR TRACK TECHNIQUE D. Molzahn, G. Feige, M. Ganz, L. Schmidt, H. Danigel, G. Noll, G. Dersch, R. Brandt: DEVELOPMENT OF A FAST METHOD FOR THE DETERMINATION AND ANALYSIS OF SMALL AMOUNTS OF NEPTUNIUM AND PLUTONIUM IN URANIUM SOLUTIONS AFTER NUCLEAR FUEL REPROCESSING H. Koch, J. Flachowsky: RADIOISOTOPES IN SEMICONDUCTOR SCIENCE AND TECHNOLOGY H. Kupsch: APPLICATION OF ACCELERATOR-PRODUCED SHORT-LIVED RADIONUCLIDES IN INDUSTRY M. Schiekel, P. Jugelt: STATE AND TRENDS IN ENERGY DISPERSIVE X-RAY ANALYSIS M. Geisler: PRECISION AND ACCURACY IN ACTIVATION ANALYSIS K. Freyer, H.-C. Treutler, S. Weiße: AUTORADIOGRAPHIC METHODS FOR ELEMENT MAPPING IN SOLIDS L. Jankowski: COST-BENEFIT ASPECTS OF RADIOISOTOPE METHODS PART 2: POSTER CONTRIBUTIONS L. Baranyai: SURFACE LABELLING OF GRAINED MATERIALS IN NON-AQUEOUS PRASE R. Link, W. Nuding, K. Sauerwein: THE INDIUM-113m GENERATOR AS A VERSATILE DEVICE IN INDUSTRIAL TRACER TECHNIQUE R. Otto: PREPARATION OF 113m IN LABELLED COMPOUNDS-EXTRACTION METHODS G. Zschornack, G. Musiol, A. Reichmann, D. Kreiseler, W. Schulze, W. Tänzer, W. Wagner: A COMPUTER-AIDED BRAGG CRYSTAL DIFFRACTION SPECTROMETER FOR X-RAY ANALYSIS P. Morgenstern, D. Müller, V. V. Berdikov, O.I. Grigoriev: A SEALED PROPORTIONAL SCINTILLATION COUNTER AS DETECTION INSTRUMENT IN A X-RAY FLUORESCENCE ANALYZER V.P. Varvaritsa, Yu.D. Lavrent'ev, K. I. Shchekin: AUTOMATIC RADIOISOTOPE X-RAY EQUIPMENT FOR INDUSTRIAL ANALYSIS S. M. Brodsky, V.P. Varvaritsa, V.I. Filatov: MULTIELEMENTAL X-RAY FLUORESCENCE ANALYSIS WITH ALPHA-PARTICLE EXCITATION H. Bruchertsei!er, K.-u. Eife, B. Eckert, G. Kiesig, J. W. Leonhardt, P. Morgenstern, D. Müller, W. Riedel, B. Süß: AN X-RAY ANALYZER FOR THE DETERMINATION OF HEAVY METAL TRACES IN LIQUIDS M. Vutchkov, T. Dragnev, J. Karamanova, L. Tomov, K. Janakiev, E. Nikolova: COMPUTER TECHNIQUES AND SOFTWARE FOR INDUSTRIAL APPLICATIONS OF ENERGY DISPERSIVE X-RAY FLUORESCENCE ANALYSIS J. Huszti: DESIGN METHOD FOR LEVEL MEASURING GAUGES WITH POINT SOURCES J. Jaszczuk, F. Zrudelny: MICROPROCESSOR-BASED MULTICHANNEL SPECTRUM ANALYSER FOR USE IN INDUSTRIAL RADIOISOTOPE MEASUREMENTS E. Hazi, G. Faludi: NUCLEAR LEVEL TRANSMITTER FOR PROCESS CONTROL E. Hazi, G. Faludi: NUCLEAR DENSITY TRANSMITTER AND DATA PROOESSING UNIT FOR CONTINUOUS PROCESS CONTROL G. Faludi, E. Hazi: NUCLEAR TRANSMITTER USED IN PROOESS CONTROL FOR CONTINUOUS MEASUREMENT OF MOISTURE OF ALUMlNA HYDRATE H.-W. Thümmel, M. Gläser, G. Körner: SOIL CONTENT MEASUREMENT IN CROP MATERIALS USING THE 2-ENERGY TRANSMISSION TECHNIQUE KRAS-2 P. Tábor: MULTIBEAD NUCLEONIC INSTRUMENT FOR SAND-PAPER PRODUCING LINE E. Panezyk, A. Kalicki: MEASUREMENT OF THE ACTIVITY OF 35S LABELLED OILS USING LIQUID SCINTILLATION TECHNIQUE M. Richter: A GENERAL CONCEPTION OF MATHEMATICAL MODELLING OF HYDRODYNAMICS FOR CHEMICAL APPARATUSES ON BASE OF RADIOTRACER EXPERIMENTS J. Komosinski, K. Mackowiak-Łybacka, M. Radwan: RADIOISOTOPE METHOD OF MATTER MAPPING M. Frenzel, H.-W. Thümmel: PRINCIPLES OF COMPENSATING FOR SURFACE DENSITY FLUCTUATIONS IN ON-LINE ASH CONTENT GAUGING H.-W. Thümmel, D. Fritzsche, J.W. Leonhardt: EXPERIMENTAL AND THEORETICAL SENSITIVITIES OF THE 60 keV-SCATTER-TRANSMISSION METHOD TO SAMPLE COMPOSITION AND DENSITY M. Frenzel: A NEW METHOD TO EXCLUDE THE INFLUENCE OF SAMPLE INHOMOGENEITIES ON THE SIGNAL OF RADIOMETRIC TRANSMISSION MEASUREMENTS
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  • 73
    Series available for loan
    Series available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute of Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-91927-3
    In: Third Working Meeting Radioisotope Application and Radiation Processing in Industry, Vol. 3
    Type of Medium: Series available for loan
    Pages: XIX, Seite 749-1095 , Illustrationen
    Language: English
    Note: VOLUME III PART 2 : POSTER CONTRIBUTIONS (continued) M. Braune: SIMPLIFIED MATHEMATICAL MODELS FOR BACKSCATTERING OF X-RAYS H.-W. Thümmel, G. Korner, J.W. Leonhardt: STATE AND PERFORMANCE OF ON-STREAM ASH CONTENT DETERMINATION IN LIGNITE AND BLACK COAL USING THE 2-ENERGY TRANSMISSION TECHNIQUE H.-W. Thümmel, G. Korner, Oh. Beutel, W. Riedel, U. Gräfenhain, J.W. Leonhardt: KRAS-2 - A GAUGE FOR THE ON-STREAM DETERMINATION OF THE ASH CONTENT IN RAW LIGNITE AT POWER STATIONS D. Fritzsche, H.-W. Thümmel: A SCATTER MODEL FOR CAlCULATION OF GAMMA RAY INTENSITIES IN SCATTER-TRANSMISSION GEOMETRY L. Meray, E. Hazi: DECONTAMINATION TEST WITH ISOTOPE INDUCED X-RAY FLUORESCENCE METHOD H. Silveira da Silva: CALCULATION OF THE DOSIMETER RESPONSE AS A FUNCTION OF THE GAMMA RADIATION ENERGY L. Wawrzonek, J. Parus: OPTIMIZATION OF RADIOMETRIC METHOD OF ASH CONTENT DETERMINATION IN BROWN COAL SAMPLES G. Körner, G. Fischer, D. Fritzsche, J.W. Leonhardt, K. Rosenbaum, H.-W. Thümmel: EXPERIENCE IN RADIOMETRIC ON-LINE DETERMINATION R. Göldner, E. Maul, D. Wagner: FAST NEUTRON ACTIVATION ANALYSIS OF BROWN COAL SAMPLES FOR SILICON AND ASH B. Heinrich, K. Irmer, R. Pötschke: FAST ANALYSIS OF CARBON CONTENT BY INELASTIC SCATTERING OF NEUTRONS H.-W. Thümmel, M. Frenzel, D. Fritzsche, T. Cechak, J. Kluson: INFLUENCE OF SAMPLE INHOMOGENEITIES ON THE SIGNAL OF 60 keV SCATTER-TRANSMISSION ASH GAUGES W. Michel, U. Paul, D. Luther, H.-G. Könnecke, H.-C. Abendroth: STUDIES ON THE RESIDENCE TIME BEHAVIOUR OF TECHNICAL GRAIN SIZES IN FLUIDIZED BEDS Z. Kolar, J. Thýn, W. Martens, A. Korving: THE MEASUREMENT OF GAS RESIDENCE TIME DISTRIBUTION IN A PRESSURIZED FLUIDIZED-BED COMBUSTOR USING 41Ar AS RADIOTRACER E. Iller, B.J. Trznadel: OPERATION EFFICIENCY ASSESSMENT OF LOOP REACTOR FOR COAL LIQUEFACTION, ON THE GROUNDS OF RADIOTRACER INVESTIGATIONS K. Wagner, T. Grätsch, J. Schüttau: PROCESS ANALYSIS OF THE TECHNOLOGY FOR THE PRODUCTION OF GRAPHITE ELECTRODES BY THE AID OF RADIOISOTOPES G. Krüger, V. Kliem, M. Kreher, N. Boy: A COMPUTER-AIDED X-RAY FLUORESCENCE ANALYZER WITH RADIONUCLIDE EXCITATION H. Firganek, A. Żak, J. Siewierski, S. Zielienski: RADIOISOTOPE INVESTIGATIONS OF WATER LEACHING OF VANADIUM COMPOUNDS FROM POLYMETALLIC ORE D. Degering, S. Unterricker: DETERMINATION OF SMALL YTTRIUM CONCENTRATIONS IN GEOLOGICAL SAMPLES BY CHARGED PARTICLE ACTIVATION ANALYSIS J. Parus: DETERMINATION OF RARE EARTH ELEMENTS WITH RADIOISOTOPE EXCITED X-RAY FLUORESCENCE E. Kowalska, P. Urbański, D. Wagner, H. Bruchertseifer: DETERMINATION OF SILVER CONTENT IN SOME CARRIER MATERIALS BY X-RAY FLUORESCENCE TECHNIQUE L. Rowinska, L. Waliś, W. Dalecki, M. Kusowski: EFFICIENCY OF METAL PURIFICATION BY VACUUM DISTILLATION TECHNIQUE A. Salamon, Z. Demendy: AN EXPERIMENTAL AND THEORETICAL STUDY FOR THE MOTION AND TRAPPING OF INCLUSIONS DURING CONTINUOUS CASTING OF STEEL L. Petryka, Z. Stegowski, L. Furman: COMPLEX INVESTIGATIONS OF COPPER ORE DRESSING PROCESS L. Petryka, Z. Stegowski, L. Furman: MODELLING OF COPPER ORE CONCENTRATION PROCESS J. Palige: RADIOTRACER INVESTIGATION OF THE COPPER PRODUCTION FLASH PROCESS R. Rachlitz, J. Holzhey, W. Böhme, H. Bohmeier, H. Gärtner: SULPHUR DISTRIBUTION, PRINCIPLE OF SOLIDIFICATION AND THE MORPHOLOGY OF THE LIQUID-SOLID INTERFACE IN CONTINOUS COPPER CASTING H. Jaskolska., L. Waliś, C. Janusz: INVESTIGATIONS OF CALCIUM DISTRIBUTION IN GGG MONOCRYSTALS BY MEANS OF LABELLED ATOMS METHOD M. Harasimowicz, J. Palige: RADIOTRACER INVESTIGATIONS OF THE GLASS MELTING PROCESS IN TANK FURNACES G. Philipp, H. Hippius, K. Köpping, H. Ulrich: SUITABILITY OF DIFFERENT RADIOTRACERS FOR IDENTIFICATION OF HOMOGENIZING PROCESSES IN GLASS MELTING FURNACES H. Kupsch, W. Heller: AN ACCELERATOR PRODUCED SHORT-LIVED RADIONUCLIDE FOR THE TRACERTECHNIQUE OF GYPSUM IN A LARGE SCALE PRODUCTION PLANT OF GAS CONCRETE W. Stuchlik, A. Knobloch, B. Kupsch, H.-W. Thümmel, S. Volker: RADIOMETRIC RESIDUAL VOLUME MONITORING IN LARGE BINS USING A MICROCOMPUTER D. Eckstein, H.-G. Jäckel, H. Stechemesser, D. Espig: RADIAL DISTRIBUTION OF MATERIAL IN A BOND MILL DETERMINED BY RADIOTRACER TECHNIQUE A. Zeuner, K. Henning, M. Kiessling: INVESTIGATION OF THE MATERIAL TRANSPORT BEHAVIOUR OF TUBE- AND TROUGH- VIBRATION MILLS BY RADIOACTIVE INDICATORS H. Kupsch, W. Heller: A METHOD FOR THE DETERMINATION OF THE EFFICIENCY OF A WET MIXER K.-D. Weißenborn, H.-P. Chowanetz, H. Ulrich, K. Köpping: RADIOTRACER INVESTIGATIONS IN LARGE HOMOGENIZATION SILOS TO DETERMINE THE MOTION OF PARTICLES OF DIFFERENT SIZES G.-J. Beyer, M. Böttger, K. Eichhorn, H. Guratzsch, H. Kupsch, K. Regel, G. Winter: USING OF THE ROSSENDORF CYCLOTRON U-120 IN SCIENCE, MEDICINE AND TECHNOLOGY M. Waiblinger, T. Kuhrt, H. Bergmann, K. Hertwig, K. Köpping, H. Ulrich: RADIOTRACER INVESTIGATIONS IN ELECTROLYSE CELLS - SPECIAL PROBLEMS AND USE FOR PROCESS CONTROL K.-D. Rauchstein, H. Leder, W. Walter, K. Köpping, H. Ulrich: RADIOTRACER INVESTIGATIONS IN TECHNICAL MULTIPHASE SYSTEMS AND PRACTICAL USE FOR THE VALUATION OF HYDRODYNAMIC CONDITIONS IN CHEMICAL MULTISTAGE COLUMNES E. Iller, T. Klimkiewicz: OPERATION ANALYSIS OF DIGESTER IN THE CONTINUOUS COOKING PROCESS OF PINEWOOD CHIPS, ON THE GROUNDS OF RADIOTRACER INVESTIGATIONS H. Vocke: DETERMINATION OF RESIDENCE TIME DISPERSION OF POLYMER MELTS IN SPINNING MACHINES BY TRACER APPLICATION J. Flachowsky, H.-H. Deicke: A SIMPLE MONITORING TECHNIQUE TO MEASURE THE RADIOACTIVITY LEVEL OF MEMBRANE FILTERS J. Flachowsky: DETERMINATION OF THE KINETICS OF TRACE ELEMENT ADSORPTION ON SEMICONDUCTOR SURFACES USING RADIOANALYTICAL AND AUTORADIOGRAPHIC METHODS
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  • 74
    Series available for loan
    Series available for loan
    Helsinki : Department of Meteorology
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    Call number: MOP Per 781(26)
    In: Report / Department of Meteorology, 26
    Type of Medium: Series available for loan
    Pages: 41 Seiten
    Series Statement: Report / Department of Meteorology 26
    Language: English
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  • 75
    Call number: ZSP-201-84/16
    In: CRREL Report, 84-16
    Description / Table of Contents: Phase composition curves are presented for a typical saline silt from Lanzhou, P.R.C., and compared to some silts from Alaska. The unfrozen water content of the Chinese silt is much higher than that of the Alaskan silts due to the large amount of soluble salts present in the silts from China, which are not present in silt from interior Alaska. When the salt is removed, the unfrozen water content is then similar for both the Chinese and Alaskan silt. Here we introduce a technique for correcting the unfrozen water content of partially frozen soils due to high salt concentrations. We calculate the equivalent molality of the salts in the unfrozen water at various temperatures from a measurement of the electrical conductivity of the extract from saturated paste.
    Type of Medium: Series available for loan
    Pages: iii, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-16
    Language: English
    Note: Contents Abstract Preface Introduction Background Materials Sample preparation Nuclear magnetic resonance Specific surface area Electrical conductivity Results and discussion Summary Literature cited Appendix A: Unfrozen water content vs temperature data for Lanzhou silt
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  • 76
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/11
    In: CRREL Report, 84-11
    Description / Table of Contents: Data obtained from two sets of data buoys either air-dropped or deployed by ship onto the Weddell Sea pack ice during the period from Dec 1978 to Nov 1980 are presented. The buoy data include position, pressure and temperature information and to date represent the most complete combined weather and pack ice drift records for the ice-covered Southern Ocean regions. The buoys tended to drift north initially and then to turn east generally between latitudes 62°S and 64°S. Buoy 1433 turned east farther south at approximately 67°S but at about the same time as buoy 0527, implying that the westerly wind belt was farther south than usual in 1979. The range of air pressures-from about 950 mb to about 1020 mb is typical of the circumpolar low pressure trough in the Southern Hemisphere. All buoys were equipped with an internal or compartment temperature sensor. The 1980 buoys also contained an external air temperature sensor in a ventilated, shielded can at 1-m height. Although differences of 10°C or more between recorded air and compartment temperatures are common, the correlation between the two measured temperatures is generally very good. The compartment temperatures are higher probably because the buoy is radiationally heated. We found that subtracting 3°C from the average daily compartment temperature yielded a good estimate of the average air temperature for any given day. This technique can be used to construct average daily air temperature records for the 1979 buoys which only contained the internal or compartment temperature sensor.
    Type of Medium: Series available for loan
    Pages: v, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 84-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods and instrumentation Results Drift tracks Pressure data Temperature data Discussion Conclusions Literature cited
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  • 77
    Call number: MOP 45321 / Mitte
    In: Antarctic research activities of the German Democratic Republic
    Type of Medium: Monograph available for loan
    Series Statement: Antarctic research activities of the German Democratic Republic : report to SCAR No 5
    Language: English
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  • 78
    Call number: MOP 46175 / Mitte
    Type of Medium: Monograph available for loan
    Language: English
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  • 79
    Series available for loan
    Series available for loan
    Bratislava : Hydrometeorological Service of Czechoslovakia
    Call number: MOP 46808 / Mitte
    Type of Medium: Series available for loan
    Language: English
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  • 80
    Call number: S 90.0006(153)
    In: Memoir / The Geological Society of America, 153
    Type of Medium: Series available for loan
    Pages: VI, 490 Seiten , Illustrationen, graphische Darstellungen, Karten
    Edition: 3. printing
    ISBN: 0-8137-1153-3
    Series Statement: Memoir / The Geological Society of America 153
    Language: English
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  • 81
    Series available for loan
    Series available for loan
    Moscow : Academy of Sciences of the USSR, Soviet Committee on Antarctic Research
    Associated volumes
    Call number: MOP 46294/B / Mitte
    In: USSR national report to SCAR, No. 26
    Type of Medium: Series available for loan
    Series Statement: USSR national report to SCAR 26
    Language: English
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  • 82
    Monograph available for loan
    Monograph available for loan
    Sofia : Publ. House of the Bulgarian Academy of Science
    Call number: M 96.0262
    Type of Medium: Monograph available for loan
    Pages: 176 S.
    Classification:
    Seismology
    Language: English
    Location: Upper compact magazine
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  • 83
    Monograph available for loan
    Monograph available for loan
    Berlin : Nationalkomitee für Geodäsie und Geophysik bei der Akademie der Wissenschaften der DDR
    Associated volumes
    Call number: MOP Per 581(1/13) ; ZSP-319/A-13
    In: Geodätische und geophysikalische Veröffentlichungen : Reihe 1, Heft 13
    Type of Medium: Monograph available for loan
    Pages: 144 Seiten , Illustrationen
    Series Statement: Geodätische und geophysikalische Veröffentlichungen : Reihe 1 13
    Language: German , English
    Note: INHALTSVERZEICHNIS: Der Einfluß interplanetarer Strukturparameter auf das ionosphärische Plasma in auroralen und aubauroralen Breiten / J. Bremer. - Beziehungen zwischen den D-Werten von Niederschlags- und Luftfeuchteproben und den meteorologischen Parametern im Gebiet der Station Novolasarevskaja (Ostantarktika) / P. Kowski, R. Höfling. - Feldarbeiten im Gebiet der Platforma Kamenistaja und der Else Platform (Jetty-Oase, Amery Eisshelf-Umrandung, Ostantarktika) / J. Hofmann. - Sedimentological characterization of the Turnpike Group, Shackleton Range, Antarctica / H.-J. Peach, K. Hahne, P. Vogler. - Zu Prozessen der vertikalen Differenzierung in den Lockerablagerungen der Schirmacher-Oase (Oatantarktia) / W. Krüger. - Hydrologische Untersuchungen in der Schirmacher-Oase (Oatantarktika) in der Saison 1983/84 (29. SAE) / A. Loopmann, V. D. Klokov. - Die Primärproduktion in Seen der Schirmacher und Unterseeoase (Ostantarktika) in der Saison 1983/84 (29. SAE) / E. Kaup. - Zur Bathymetrie einiger Seen der Schirmacher- und Untersee-Oase (Ostantarktika) / A. Loopmann, E. Kaup, D. Haendel, I. M. Simonov, V. D. Klokov. - Hydrochemische Untersuchungen im Unterseegebiet im Zentralen Wohlthatmassiv (Oatantarktika) / D. Haendel, E. Kaup. - Konzeptionelle Vorstellungen zur effektiven Nutzung geodätischer Verfahren für glaziologische Forschungen in der Antarktis / R. Dietrich. - Einsatz geodätischer Gerate in der Antarktis / R. Eger. - Penitentes auch in Antarktika? Über Ablationsformen in der Schirmacheroase, Dronning-Maud-Land (Oatantarktika) / W. Richter. - Die Robbenmumien der Schirmacheroase (Ostantarktika) / A. Hiller, A. Loopmann, W. Richter, D. Haendel. - Umweltstreß bei Umbilicaria decussata (Vill.) Zahlbr. (Flechten der Schirmacheroase, Oatantarktika, II) / W. Richter. - Häufige und auffällige Krustenflechten in der Schirmacheroase: Catillaria cremea, Acarospora gwynnii, Rhizocarpon flavum und Buellia frigida (Flechten der Schirmacheroase, III) / W. Richter. - Weitere ornithologische Beobachtungen aus dem Gebiet der Schirmacheroase (Ostantarktika) / D. Haendel, H. Kämpf, W. Richter, W. Stackebrandt. - Boreasische Seenplatte - Oasis Schirmachara - Dakshin Gangotri: Über die Benutzung geographischer Namen in der Antarktis / W. Richter. , Beiträge teilweise in deutscher, teilweise in englischer Sprache , Zusammenfassung in deutscher, englischer und russischer Sprache
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  • 84
    Monograph available for loan
    Monograph available for loan
    New Delhi : Indian Nat. Science Acad.
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    Call number: ILP/M 06.0324
    In: Publication of the International Lithosphere Programme
    Type of Medium: Monograph available for loan
    Pages: iii, 154 S. : graph. Darst.
    Series Statement: [Publication of the International Lithosphere Programme]
    Language: English
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  • 85
    Call number: M 96.0537/5 ; 15/13860/5
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xiii, 1247 S.
    ISBN: 0132464063
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 86
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/6 ; 15/13860/6
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 1002 S.
    ISBN: 0132464144
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 87
    Monograph available for loan
    Monograph available for loan
    Madrid : Secc
    Call number: PIK N 456-17-90913
    Type of Medium: Monograph available for loan
    Pages: 536 Seiten
    Series Statement: Ministerio de Transportes Turismo Y Comunicaciones : Publicación Serie A 114
    Parallel Title: 1,1=6; 2,1=13 von Publicaciones / D / Ministerio del Aire, Subsecretaria de Aviación Civil, Servicio Meteorológico Nacional
    Language: Spanish
    Location: A 18 - must be ordered
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  • 88
    Monograph available for loan
    Monograph available for loan
    Boston : Beacon Press
    Call number: IASS 16.90473
    Type of Medium: Monograph available for loan
    Pages: XLII, 465 S. , graph. Darst.
    ISBN: 0807015067 (hbk) , 0807015075 (pbk) , 9780807015070 (pbk)
    Series Statement: The theory of communicative action Vol. 1
    Uniform Title: Handlungsrationalität und gesellschaftliche Rationalisierung 〈engl.〉
    Language: English
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  • 89
    Monograph available for loan
    Monograph available for loan
    Stuttgart : Schweizerbart Science Publishers ; Volume 1, number 1 (1978)-
    Call number: M 18.91571
    Type of Medium: Monograph available for loan
    Pages: 134 Seiten
    ISSN: 2363-7196
    Series Statement: Global tectonics and metallogeny : special issue Vol. 10/2-4
    Classification:
    Tectonics
    Parallel Title: Erscheint auch als Global tectonics and metallogeny
    Language: English
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  • 90
    Call number: MOP 46265 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 55 S.
    Language: English
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  • 91
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/32
    In: CRREL Report, 84-32
    Description / Table of Contents: Orwell Lake, in west-central Minnesota, is a flood-control, water-management reservoir first impounded in 1953. Subsequent erosion of the shoreline and a lack of knowledge of slope erosion processes in this region prompted this study to identify and quantify the processes there. The processes were measured at selected sites between June 1980 and June 1983. Erosion of the banks is primarily caused by three processes: rain, frost thaw, and waves. The first two processes tend to move sediment to the base of the steep slopes, forming 4 relatively gentle surface of accumulation. Wave action then tends to move this sediment into the lake. Analysis of the data collected over three years has confirmed that wave action is the dominant erosion process, providing almost 77% of the erosion during the 1981-82 study year. During the 1981 high pool level, 2,089 Mg of sediment, mostly colluvium, was removed from the lower slopes by wave action striking the 1.62 km of eroding shoreline. More than 4,300 Mg was eroded by waves accompanying the higher pool levels of 1982., During years in which the pool level does not exceed 325.5 m in elevation, the colluvium slope builds up at the expense of the steeper slope. But during successive years with higher pool levels, the resulting thin colluvium is quickly eroded. Erosion of the primary sediment, a compact till, then occurs, forming the S typical nearly vertical banks. In winter the upland surface adjacent to the lake freezes to a depth of between 1 and 2 m, depending on the surface temperature, the mow cover, and the distance from exposed banks. In late winter soil aggregates, released by the sublimation of interstitial ice within the banks, begin to accumulate at the base of the slopes, often veneering snowbanks there. Once thaw begins, slab failure of bank sediment is followed by mudflows and earthflows. Thaw failure at Orwell Lake in the winter of 1981-82 accounted for over 20% of the erosion; in the spring of 1982, 824 Mg was eroded by this process and 746 Mg the following spring. Such slope failure is most intense along north-facing banks and considerably less intense on south-facing banks, where more effective desiccation and sublimation reduce the soil moisture content. Summer rainfall is responsible for the remaining 3% of the total erosion, amounting to 102 Mg in 1981 and 208 Mg in 1982. Because the banks are steep and relatively short, rainwash is infrequent; rainsplash is the most consistent process during the summer, but the infrequent storms during which rainwash occurscause greater total erosion. Erosion by rain has increased in each of the past three summers, largely because of increased precipitation. Infrequent massive slope failures (slumps) have occurred at the east end of the lake where a buried clay rich unit is stratigraphically and topographically positioned to favor such failures. Drought years followed by heavy spring rains probably will result in additional slope failures of this type at the east end. Unless changes are made, the banks at Orwell Lake will continue to recede. Restriction of the pool level to less than 325.5-m elevation is the least expensive solution to the problem.
    Type of Medium: Series available for loan
    Pages: ix, 110 Seiten , Illustrationen
    Series Statement: CRREL Report 84-32
    Language: English
    Note: CONTENTS Abstract Preface Summary Chapter 1. Introduction Location Purpose of study Previous work Chapter 2. Methodology Geology Overland erosion Wave erosion Frost penetration and heave Thaw failure Bank recession Ground water Soil moisture Chapter 3. Results Geology Geotechnical properties Overland erosion Wave erosion Freeze-thaw phenomena Ground water fluctuations Other slope failures Chapter 4. Discussion Overland erosion Wave erosion Thaw failure Universal soil loss equation Chapter 5. Summary and conclusions Techniques Erosion processes at Orwell lake Bank recession Literature cited Appendix A1: Average cumulative change of surface at erosion stations #2-12, 1980-81 Appendix A2: Cumulative net changes at overland erosion stations #1-12, 1980-81 Appendix A3: Cumulative net changes at overland erosion stations #1 -12, 198 1-82 Appendix A4: Cumulative average erosion at overland erosion stations #1-12, 1980-81 Appendix AS: Cumulative average erosion at overland erosion stations #1-12, 1981-82 Appendix A6: Cumulative average erosion at overland erosion stations #1 -1 2A, 1982 Appendix B: Dimensions of erosion sections, Orwell Lake, Minnesota Appendix C: Piezometer installation data, Orwell Lake, Minneso
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  • 92
    Call number: ZSP-201-86/12
    In: CRREL Report, 86-12
    Description / Table of Contents: Stress-deformation data for six granular soils ranging from sandy silt to dense-graded crushed stone were obtained from in-situ tests and laboratory tests. Surface deflections were measured in the in-situ tests, with repeated-load plate-bearing and falling-weight deflectometer equipment, when the six granular soils were frozen, thawed, and at various stages of recovery from thaw weakening. The measured deflections were used to judge the validity of procedures developed for laboratory triaxial tests to determine nonlinear resilient moduli of specimens in the frozen, thawed, and recovering states. The validity of the nonlinear resilient moduli, expressed as functions of externally applied stress and moisture tension, was confirmed by using the expressions to calculate surface deflections that were found to compare well with deflections measured in the in-situ tests. The tests on specimens at various stages of recovery are especially significant because they show a strong dependence of the resilient modulus on moisture tension, leading to the conclusion that predictions or in-situ measurements of moisture tension can be used to evaluate expected seasonal variation in the resilient modulus of granular soils.
    Type of Medium: Series available for loan
    Pages: v, 70 Seiten , Illustrationen
    Series Statement: CRREL Report 86-12
    Language: English
    Note: CONTENTS Abstract Preface Introduction Sampling of test section Laboratory tests Asphalt concrete Natural subgrade material Test soils Field tests Analysis of field-loading tests Discussion Conclusions Literature cited Appendix A: Field data Appendix 8: Ground temperatures prevailing during plate-loading tests Appendix C: Measured surface deflections compared with deflections calculated by NELAPAV Appendix D: Resilient moduli and supporting data calculated by NELAPAV
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  • 93
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/26
    In: CRREL Report, 84-26
    Description / Table of Contents: Observations of shore ice pile-up and ride-up along the Alaska Beaufort Sea coast in 1983 and 1984 are presented. New information on historical accounts of onshore ice movement, uncovered since publication of Part I in this series, is reported. An account is given of ice overtopping a concrete caisson exploration island in the Canadian Beaufort Sea.
    Type of Medium: Series available for loan
    Pages: iii, 33 Seiten , Illustrationen
    Series Statement: CRREL Report 84-26
    Language: English
    Note: CONTENTS Abstract Preface Introduction Observations Discussion Literature cited Appendix A: Site location maps
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  • 94
    Call number: AWI P7-20-93387
    In: SPRI Review, 85
    Type of Medium: Series available for loan
    Pages: 31 Seiten , Illustrationen
    Series Statement: SPRI Review 85
    Language: English
    Note: Contents Report from the Director Research overviews Sea ice studies Glacier geophysics Remote sensing Library and information service Gifts Bowers appeal Teaching and lecturing International activities Research and visiting scholars Friends of the Polar Institute Gino Watkins Memorial Fund Research Abstracts Publications Staff Finance
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  • 95
    Call number: ZSP-201-86/11
    In: CRREL Report, 86-11
    Description / Table of Contents: This initial study of the ice-covered Tanana River, near Fairbanks, Alaska, attempted to 1) establish field methods for systematic and repetitive quantitative analyses of an ice-covered river's regime, 2) evaluate the instruments and equipment for sampling, and 3) obtain the initial data of a long-term study of ice cover effects on the morphology, hydraulics and sediment transport of a braided river. A methodology was established, and detailed measurements and samplings, including profiling by geophysical techniques, were conducted along cross sections of the river. A small, portable rotary drill rig equipped with a 356-mm (14-in.) ice auger was used to cut large diameter holes in the ice cover for through-the-ice measurements. Portable heat sources and a heated shelter were required to continuously thaw and dry equipment for the repetitive measurements. Measurements included ice cover thickness, water level, water depth, temperature, flow velocity, suspended load and bed load, frazil ice distribution and bed material composition. Remotely gathered data included apparent resistivity and subsurface radar profiling. The various techniques, sampling gear and problems encountered during use in the subfreezing cold are described in detail in this report.
    Type of Medium: Series available for loan
    Pages: v, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 86-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Study objectives and field locale Study site Equipment Vehicles Drilling equipment Sampling equipment Geophysical equipment Shelter and icing control Surveying equipment Miscellaneous equipment Field techniques and methodology Logistics Drilling procedures Data collection Geophysical analyses Experiences summary Morphology, transport and hydraulic data Mid-winter physical characteristics Hydraulic characteristics Sediment transport Late winter physical characteristics Seasonal morphology Geophysical data interpretation Spatial morphology Frazil ice characteristics Discussion and conclusions Recommendations Equipment Research Literature cited
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  • 96
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/33
    In: CRREL Report, 84-33
    Description / Table of Contents: A small-scale experimental study was conducted to characterize the magnitude and nature of ice forces during continuous crushing of ice against a rigid, vertical, cylindrical structure. The diameter of the structure was varied from 50 to 500 mm, the relative velocity from 10 to 210 mm/s, and the ice thickness from 50 to 80 mm. The ice tended to fail repetitively, with the frequency of failure termed the characteristic frequency. The characteristic frequency varied linearly with velocity and to a small extent with structure diameter. The size of the damage zone was 10 to 50% of the ice thickness, with an average value of 30%. The maximum and mean normalized ice forces were strongly dependent on the aspect ratio (structure diameter/ice thickness). The forces increased significantly with decreasing aspect ratio, but were constant for large aspect ratios. The maximum normalized forces appeared to be independent of strain rate. The effect of velocity on the normalized ice forces depended on structure diameter. The mean effective pressure or specific energy of ice crushing depended on both aspect ratio and ice-structure relative velocity. The energy required to crush the ice for the one failure cycle was obtained from the ice force records for each test, and was compared to the energy calculated from an idealized sawtooth shape for the force record, the maximum force, velocity and characteristic frequency data. Originator - supplied keywords included: Cold regions, Cold regions construction, Cylindrical test structures, Ice, Ice crushing, Ice forces, and Test facilities.
    Type of Medium: Series available for loan
    Pages: vi, 47 Seiten , Illustrationen
    Series Statement: CRREL Report 84-33
    Language: English
    Note: Contents Abstract Preface Nomenclature Introduction Test objectives Experimental setup and procedures Facilities Test fixture Data acquisiton system Ice sheets Measurement of ice properties Daily test summary Experimental results and discussion Observations Ice force records Frequency of ice force variations Discussion Maximum crushing forces Mean effective pressure or specific energy of ice in crushing Failure energy of ice Ratio of maximum force to mean force Summary and conclusions Literature cited Appendix A: Data for continuous crushing tests
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  • 97
    Call number: MOP 46325 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 445 Seiten , Illustrationen
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 98
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/19
    In: CRREL Report, 84-19
    Description / Table of Contents: In this study a method for making long-range forecasts of freeze-up dates in rivers is developed. The method requires the initial water temperature at an upstream station, the long-range air temperature forecast, the predicted mean flow velocity in the river reach, and water temperature response parameters. The water temperature response parameters can be either estimated from the surface heat exchange coefficient and the average flow depth or determined empirically from recorded air and water temperature data. The method is applied to the St. Lawrence River between Kingston, Ontario, and Massena, New York, and is shown to be capable of accurately forecasting freeze-up. Originator-supplied keywords include: Ice formation, and River ice.
    Type of Medium: Series available for loan
    Pages: iii, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction Problem formulation Analytical treatment Application to the upper St. Lawrence River Summary Literature cited Appendix A: Basic program for St. Lawrence River freeze-up forecast
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    Branch Library: AWI Library
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  • 99
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/15
    In: CRREL Report, 84-15
    Description / Table of Contents: Measurements of meltwater pH from annual layers of South Pole firn and ice samples ranging in age from 40 to 2000 years B.P. show that precipitation at this remote site has a higher natural acidity than that expected from atmospheric equilibrium with CO2. The average pH of deaerated (CO2-free) samples was 5.64 + or - 0.08, while air-equilibrated samples averaged 5.37 + or - 0.008, a pH that is about a factor of two more acidic than the expected background pH of 5.65. The observed 'excess' acidity can be accounted for by natural SO4(2)- and NO(3)- levels in the samples probably originating from non-anthropogenic H2SO4 and HNO3. Because of the presence of these naturally occurring acids in South Pole precipitation, a pH of 5.4 is considered a more representative baseline reference pH for acid precipitation studies.
    Type of Medium: Series available for loan
    Pages: ii, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 84-15
    Language: English
    Location: AWI Archive
    Branch Library: AWI Library
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  • 100
    Call number: ZSP-201-84/9
    In: CRREL Report, 84-9
    Description / Table of Contents: This report presents the results of the first phase of a test program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. In Phase I, 222 constant-strain-rate uni-axial compression tests were performed on ice samples from ten multi-year pressure ridges to examine the magnitude and variation of ice strength within and between pressure ridges. A limited number of constant-strain-rate compression and tension tests, constant-load compression tests, and conventional triaxial tests were also performed on ice samples from a multi-year floe to provide preliminary data for developing ice yield criteria and constitutive laws for multi-year sea ice. Data are presented on the strength, failure strain, and modulus of multi-year sea ice under different loading conditions. The statistical variation of ice strength within and between pressure ridges is examined, as well as the effects of ice temperature, porosity, structure, strain rate and confining pressure on the mechanical properties of multi-year sea ice.
    Type of Medium: Series available for loan
    Pages: v, 107 Seiten , Illustrationen
    Series Statement: CRREL Report 84-9
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field Sampling Site selection and description Ice sampling procedures Shipping and storage of ice samples Testing Techniques Multi-year Pressure Ridge Tests Ice description Sampling scheme and test variables Uniaxial compressive strength Residual compressive strength Failure strains Initial tangent modulus Statistical Variations in Ice Strength Differences in strength above and below level ice Sources of the variation in strength Shape of the strength histograms Multi-year Floe Ice Tests Ice description Uniaxial compressive strength Constant-load compression tests Constant-strain-rate tension tests Triaxial tests Conclusions Literature Cited Appendix A: Structural profile of a multi-year pressure ridge core Appendix B: Ridge uniaxial compression test data Appendix C: Structural profile of the continuous multi-year floe core Appendix D: Multi-year floe test data
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