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  • English  (3,435)
  • Russian  (175)
  • 1975-1979  (2,028)
  • 1965-1969  (1,551)
  • 1940-1944  (20)
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  • 1
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/3
    In: CRREL Report, 76-3
    Description / Table of Contents: A world-wide review of the literature applicable to the design of harbors and channels in cold regions was conducted. Forces due to ice movement present the dominant factor in the design of marine structures in cold regions. Expressions for calculating the ice force are presented. Other factors relating to design criteria such as construction materials, structure geometry, and methods of ice suppression are discussed.
    Type of Medium: Series available for loan
    Pages: iii, 32 Seiten
    Series Statement: CRREL Report 76-3
    Language: English
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  • 2
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/6
    In: CRREL Report, 76-6
    Description / Table of Contents: Water flow through the vein structure of temperate ice is described as Darbian flow in which the pressure gradient is determined from vein size and overburden pressure. A solution method for the resulting equation is given and two special cases are considered. For steady flow the equilibrium vein size is a function of depth and, by neglecting the effects of diffusion, it is shown that flow perturbations introduced at the surface propagate downward at a constant speed.These perturbations propagate so slowly that even annual surface fluctuations of flow may be eliminated by diffusion before reaching the bottom of the glacie
    Type of Medium: Series available for loan
    Pages: iii, 5 Seiten , Illustrationen
    Series Statement: CRREL Report 76-6
    Language: English
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  • 3
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/9
    In: CRREL Report, 76-9
    Description / Table of Contents: Access to study areas may be an important factor in long-term field-oriented research, particularly in-regions without well-developed road and communications systems. In a wildland hydrometeorology research project in subarctic Alaska, access to and within a 40-square-mile research watershed has been developed both in accordance with a general plan prepared at project inception and in response to developing research requirements. Foot trails, trails for 'off-road' low-ground-pressure tracked vehicles, helicopter transport, long-term data recorders, and radio telemetry of data have all been incorporated in an access and communications system. Cost estimates indicate that incorporation of gravel roads into the system would be economically advantageous, given adequate funding for initial road construction.
    Type of Medium: Series available for loan
    Pages: iv, 9 Seiten , Illustrationen
    Series Statement: CRREL Report 76-9
    Language: English
    Note: Contents Abstract Preface Conversion factors for U.S. customary and SI units Introduction Access within the Caribou-Poker Creeks Research Watershed Trail access Helicopter access Road access Alternative approaches Long-term recorders Telemetry systems Remote sensing Relative costs A desirable system Selected bibliography
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  • 4
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/22
    In: CRREL Report, 76-22
    Description / Table of Contents: Several membrane materials used or considered for MESL (membrane-enveloped soil layer) utilization of poor soils in road construction have been tested for cold effect on puncture and stiffness. PE (polyethylene) film was also tested for solvent soak effects. A simple blunt needle apparatus was devised for puncture testing. For plastic films (mainly PE), both puncture resistance and stiffness increase at low temperature (0 F, -18 C). For non-woven, spunbonded fabrics these properties are little affected by cold. For both non-wovens and PE film, puncture and bending strengths increase linearly with weight or thickness. The slope is steeper for the non-wovens, which generally are stronger on a per unit weight basis. PE film soaked in a hydrocarbon solvent swelled approximately 17% and lost about 30-40% its puncture strength. These effects are apparently reversible upon drying. Consideration has been given to sealing and patching requirements and to the drying of sealant liquids when adhering film to film. Also considered have been pos­sible slippage related to the reported low angle of friction of plastic films in soil and the possibility of lamination for improved membrane properties.
    Type of Medium: Series available for loan
    Pages: v, 60 Seiten , Illustrationen
    Series Statement: CRREL Report 76-22
    Language: English
    Note: CONTENTS Page Abstract Preface Introduction Experimental Materials Apparatus Procedure Results Discussion PE solvent soak and swelling PE solvent soak and puncture Film puncture rate effect Bending orientation Comparative tables and graphs Puncture and temperature Bending and temperature Test result vs thickness and weight General considerations Conclusion and recommendations Literature cited Appendix Detailed data tables Denier explanation
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  • 5
    Call number: MOP 44979 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 276 Seiten , Illustrationen
    Language: English
    Location: MOP - must be ordered
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  • 6
    Monograph available for loan
    Monograph available for loan
    Jerusalem : Israel Program for Scientific Transl.
    Call number: M 97.0501
    Type of Medium: Monograph available for loan
    Pages: X, 614 S.
    Uniform Title: Processy sovremennogo osadkoobrazovanija v Beringovom More
    Classification:
    Regional Geology
    Language: English
    Location: Upper compact magazine
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  • 7
    facet.materialart.
    Unknown
    New York : Geological Soc. of America
    Associated volumes
    Call number: 97.0498/3
    In: Geology of the Alaska Peninsula - Island Arc and continental margin
    Pages: Part 1-3
    Classification:
    Regional Geology
    Language: English
    Branch Library: GFZ Library
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  • 8
    Call number: AWI S5-82-0002
    Type of Medium: Monograph available for loan
    Pages: 86a, 2662 S.
    Language: English
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  • 9
    Call number: ZSP-553-178,3
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 77 S., 1 Taf. : Ill., graph. Darst., Kt.
    Series Statement: Meddelelser om Grønland 178,3
    Language: English
    Location: AWI Reading room
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  • 10
    Monograph available for loan
    Monograph available for loan
    Leningrad : Izdatel'stvo Leningradskogo Universiteta
    Call number: MOP 41076 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 292 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
    Location: MOP - must be ordered
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  • 11
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: MOP 37011
    Type of Medium: Monograph available for loan
    Pages: 168 S.
    Language: Russian
    Note: Russ. , In kyrill. Schr.
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  • 12
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-78/3
    In: CRREL Report, 78-3
    Description / Table of Contents: The mathematical theory for the bearing capacity of river ice for vehicles is presented. The floating ice sheet is assumed to have simple supports at the shore line. Solutions are presented for loads uniformly distributed over circular and rectangular areas. Numerical evaluations are made for a number of vehicles and the results presented in graphical form
    Type of Medium: Series available for loan
    Pages: iii, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 78-3
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Introduction Theory Solution by superposition Solution by Fourier integral Solution by Fourier series Application and results Literature cited Appendix A: Bearing capacity of river ice for military vehicles Appendix B: Vehicle specifications Appendix C: Fortran II computer program
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  • 13
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/7
    In: CRREL Report, 77-7
    In: Mechanics of cutting and boring, IV
    Description / Table of Contents: The report deals with the cutting of rock and similar materials by parallel motion tools. It examines cutting forces and energy requirements, taking into consideration tool geometry, wear, operating conditions, and material properties. After an introductory discussion of terminology, some general principles are outlined, and relevant theoretical ideas on metal cutting and rock cutting are reviewed. The next section, which is the heart of the report, reviews experimental data on the magnitudes and directions of cutting forces. There is a graphical compilation of data, including some from obscure or unpublished sources. The variables covered include chipping depth, rake angle, relief angle, side rake, base angle, tool width, tool compliance, tool speed, tool wear, tool interactions, and material properties. The second major part of the report treats the energetics of cutting. It begins with a short discussion of relevant principles, and continues with a compilation and review of experimental data, covering the same independent variables as the force section. The report ends with a concise summary of general behavior for parallel motion tools.
    Type of Medium: Series available for loan
    Pages: xi, 85 Seiten , Illustrationen
    Series Statement: CRREL Report 77-7
    Language: English
    Note: CONTENTS Abstract Preface Foreword Introduction Terminology Principles of cutting Forces acting on a single cutter Theoretical Ideas on cutting Experimental data on cutting forces Effect of chipping depth on tool forces Effect of rake angle on tool forces Effect of relief angle on cutting forces Effect of side rake on tool forces Effect of base angle or face profile on tool forces Effect of rounding at the cutting edge Effect of tool width on cutting forces Tool compliance and force fluctuations Effect of tool speed on cutting forces Effect of rock properties on cutting forces Tool interaction and kerf spacing Effect of multiple pass cutting on tool forces Effect of tool wear on cutting forces Development of wear Energetics of cutting Energetics of parallel-motion tools Variation of specific energy with chipping depth for a single tool Effect of rake angle on specific energy Effect of relief angle on specific energy Effect of side rake on specific energy Effect of base angle or face profile on specific energy Effect of tip radius on specific energy Effect of tool width on specific energy Effect of tool speed on specific energy Variation of specific energy with rock properties Effect of kerf spacing on specific energy Effect of multiple pass cutting on specific energy Effect of tool wear on specific energy General summary Literature cited Appendix Α. Additional data for ice Appendix Β. Conversion factors: U.S. customary and metric units of measurement
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  • 14
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/12
    In: CRREL Report, 76-12
    Description / Table of Contents: The heat transfer processes associated with melting and refreezing a drill hole 500 m in depth and 0.150 m in initial radius through an ice shelf were approximately analyzed. The results were expressed in graphical form showing the time available for experimentation under the hole as a function of heating duration and heating strength. It was found that the refreezing of the drill hole had a much slower rate than the melting of the hole.
    Type of Medium: Series available for loan
    Pages: vi, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 76-12
    Language: English
    Note: Contents Abstract Preface Summary Nomenclature Introduction Analysis Melting period Freezing period Calculation Conclusion Literature cited Appendix A: Justification of using eq 8 for the calculation of heat transfer coefficient h
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  • 15
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/15
    In: CRREL Report, 76-15
    Description / Table of Contents: A literature review of revegetation and biological aspects of restoration research was completed for arctic and sub­arctic North America. Although there is a great deal of climatic variation in this region it is generally characterized by extreme conditions, such as a short growing season and permafrost. Most of the revegetation research has been undertaken in the last six years as a result of increased natural resource development. The primary goal has been erosion control, with aesthetics, minimization of thermokarst, and production of browse as other objectives. Revege­tation and long-term restoration methods depend upon such variables as the site conditions, nutrient regime (especially as this is influenced by the climatic conditions in the Arctic and Subarctic), plant adaptations, and the selection of native or introduced species. Technologies which have been developed to meet these conditions primarily include seedbed preparation, use of seed mixes, and fertilization and seeding methods. Most of the research has focused on the use of agronomic grasses and legumes. These are selected on the basis of a number of factors, such as cold hardiness and growth form prior to evaluation in the laboratory and the field. The most successful species to date have been Arctared fescue and Nugget bluegrass in the Arctic, while these two as well as creeping red fescue, meadow foxtail, Frontier reed canarygrass, Durar hard fescue, slender wheatgrass, and Icelandic poa did well in the Subarctic. Similar methods have been attempted to a more limited extent with evaluation of native herbaceous and woody species which seem promising on the basis of natural succession studies. There are a number of continuing research needs for arctic anc subarctic revegetation. These include fertilization strategies, development of specialized techniques (such as sprigging) for native species, and longer term studies. It is particularly important to integrate short term revegetatio methods with long-term restoration goals.
    Type of Medium: Series available for loan
    Pages: iv, 32 Seiten , Illustrationen
    Series Statement: CRREL Report 76-15
    Language: English
    Note: CONTENTS Page Abstract Preface Introduction Definition of revegetation Definition of restoration Objectives Some revegetation considerations Site conditions Nutrient regime Plant adaptations Native species vs introduced species Methods Seedbed preparation Seeding methods Timing of seeding Seed mixes Fertilization Agronomic grasses and legumes Selection criteria Laboratory evaluation Field evaluation Effect of revegetation methods Site conditions Maintenance of herbaceous cover Introduced woody species Native species — succession Significance of disturbance Primary succession Secondary succession Herbaceous native species Selection Laboratory evaluation Field evaluation Effect of revegetation methods Woody native species Selection Laboratory evaluation Field evaluation Native species and agronomic species, in combination Recommendations for research Summary Bibliography Appendix: Species tested
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  • 16
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/16
    In: CRREL Report, 76-16
    In: Mechanics of cutting and boring, (DE-B103)20210225152525
    Description / Table of Contents: This report, which is one of a series on the mechanics of cutting and boring in rock, deals with the kinematics of machines such as rotary drills, augers, tunnel boring machines, corers, and raise borers, in which the rotary cutting unit revolves about an axis that is parallel to the machine's direction of advance. The discussion and analysis cover the geometry and motion of various components of the cutting systems, including such topics as tool trajectories, tool speeds, motions of the more complicated mechanisms, chipping depth, penetration rates, production and clearance of cuttings, tool angles, and spatial distribution of cutters. Worked examples are given to illustrate the application of various equations to practical problems.
    Type of Medium: Series available for loan
    Pages: ix, 45 Seiten , Illustrationen
    Series Statement: CRREL Report 76-16
    Language: English
    Note: CONTENTS Abstract Preface Summary Foreword Terminology Trajectories of fixed tools Trajectories of roller cutters and indenters Speed of fixed cutting tools Speed of rolling disc cutters Speed and geometry of "wide" roller cutters Skidding rollers "Spiked" rollers Epicyclic or planetary mechanisms Chipping depth and penetration rate Chip production and cutting removal rate Balancing cutting and clearing rates in flight augers Tool relief angles - kinematic considerations Tool rake angles Distribution and spacing of cutting tools Radial tool spacing Angular tool spacing Spacing in the axial direction Literature cited
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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-201-76/17
    In: CRREL Report, 76-17
    In: Mechanics of cutting and boring, (DE-B103)20210225152525
    Description / Table of Contents: This report, which is one of a series on the mechanics of cutting and boring in rock, deals with the kinematics of machines which utilize a continuous belt as the cutting unit (e.g. coal saws, shale saws, digger-chain trenchers). The discussion and analysis cover the geometry and motion of various components of the cutting system, including such topics as chipping depth, production and conveyance of cuttings, tool trajectories, tool speeds, tool angles, and arrangement of cutting tools on the belt. Worked examples are included to illustrate the application of various equations to practical problems
    Type of Medium: Series available for loan
    Pages: viii, 24 Seiten , Illustrationen
    Series Statement: CRREL Report 76-17
    Language: English
    Note: Contents Abstract Preface Summary Foreword Introduction Terminology Chipping depth Production and conveyance of cuttings Tool trajectories Tool speeds Tool relief angles — kinematic considerations Tool rake angles Belt curvature, slackness and flexibility Tool layout Longitudinal tool spacing Transverse tool spacing Cross-section profiles of the kerf 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-201-76/23
    In: CRREL Report, 76-23
    Description / Table of Contents: This report describes the study of piles tested in polar snow at Camp Century, Greenland. More than 20 piles of various lengths and sizes were driven, including timber, closed-end and open-end steel pipe piles, and I- and H-piles. The H-piles were instrumented with strain gages. In addition to the driven piles, two purely end-bearing piles were installed in augered holes and five piles were frozen in place using a snow-water slurry. Driving records were obtained and are discussed. Analysis of the driving response of various piles revealed that the Hiley formula, and presumably other similar pile driving formulas, cannot be used to predict the ultimate supporting capacity of piles driven in snow. Factors such as pile inertia, rigidity, size, and tip resistance are discussed in relation to their apparent influence upon pile penetration. Pile load test procedures are described and test results are discussed. It was found that closed-end pipe piles are decidedly inferior to open-end pipe piles in their load-carrying capability and their ultimate supporting capacity. Although pile settlement was found to be dependent upon such variables as pipe load, time, pile shape, and snow temperature, precise effects of these variables were not determined. Nevertheless, the capability of open-end piles to carry quite heavy loads was demonstrated and a procedure is presented for testing these piles in snow.
    Type of Medium: Series available for loan
    Pages: ix, 132 Seiten , Illustrationen
    Series Statement: CRREL Report 76-23
    Language: English
    Note: Contents Abstract Preface Introduction Test site Pile driving equipment Test instrumentation Testing procedures Pile driving data Pile type vs driving resistance Closed-end vs open-end piles Calculated bearing capacity of pile Effect of pile driving on the embedment medium Pile inclination Slurried-in-place piles Pile load test data Strain gage instrumentation and results Pile excavation Discussion and conclusions Literature cited Appendix A: Theoretical elastic deflection of piles supported by skin friction Appendix B: Trench floor arching study
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  • 19
    facet.materialart.
    Unknown
    New York : Geological Soc. of America
    Associated volumes
    Call number: 97.0498/2
    In: Geology of the Alaska Peninsula - Island Arc and continental margin
    Pages: Part 1-3
    Classification:
    Regional Geology
    Language: English
    Branch Library: GFZ Library
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  • 20
    Monograph available for loan
    Monograph available for loan
    Moskva: Vyčislit. Čentr AN SSSR
    Call number: MOP B 11587
    Type of Medium: Monograph available for loan
    Pages: 13 S., 17 Bl. in Tüte. 4"
    Series Statement: (Akad. nauk SSSR. Trudy Vyčislitel'nogo Centra)
    Language: Russian
    Location: MOP - must be ordered
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  • 21
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/11
    In: CRREL Report, 76-11
    Description / Table of Contents: Water flow through the unsaturated portion of a snowpack is calculated using various assumptions about radiation penetration into the snow. The results show that for the purposes of hydrologic forecasting, it is sufficiently ac­curate to assume that all of the radiation absorption occurs at the surface. The error in the calculation of flow is largest for very shallow snowpacks, but this error is reduced by radiation absorption at the base of the snow and by the routing of meltwater through the saturated basal layer.
    Type of Medium: Series available for loan
    Pages: v, 9 Seiten , Illustrationen
    Series Statement: CRREL Report 76-11
    Language: English
    Note: CONTENTS Abstract Preface Summary Conversion factors for U.S. customary and SI units Introduction Theory Examples Discussion Literature cited
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  • 22
    Call number: MOP 35571
    Type of Medium: Monograph available for loan
    Pages: 257 S. : Ill.
    Language: Russian
    Note: In kyrill. Schr.
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  • 23
    Series available for loan
    Series available for loan
    Koebenhavn : Grønlands Geol. Undersøgelse
    Associated volumes
    Call number: ZSP-683-76
    In: Rapport = Report
    Description / Table of Contents: Airborne gamma-spectrometry and subsequent radiometric field investigations in central East Greenland have revealed a number of areas of above average radioactivity and a number of radioactive anomalies within these areas. These areas can be divided geologically into: pre-Caledonian crystalline basement, late and post-Caledonian plutonic rocks, Tertiary plutons and areas of intensive faulting and shearing. Areas bordering continental sedimentary formations are envisaged as potential host rocks for epigenetic uranium mineralization. The spectrometer system applied, with the detector volume of 3.7 litres, does not completely satisfy a quantitative evaluation of the spectrometric data recorded and a distinction between major rock units is only possible from the gross channel count rates.
    Type of Medium: Series available for loan
    Pages: 44 S. : Ill., graph. Darst., Kt.
    Series Statement: The Geological Survey of Greenland : Report 76
    Language: English
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  • 24
    Call number: ZSP-553-1
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 24 S. : Ill., graph. Darst.
    ISBN: 8717025818
    ISSN: 0106-1046
    Series Statement: Meddelelser om Grønland : Geoscience 1
    Language: English
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  • 25
    Monograph available for loan
    Monograph available for loan
    Turku : Turun Yliopisto
    Call number: AWI P5-79-0002
    Type of Medium: Monograph available for loan
    Pages: 75 S.
    ISBN: 9516415903
    Language: English
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  • 26
    Monograph available for loan
    Monograph available for loan
    København : Reitzel
    Associated volumes
    Call number: ZSP-553-141,3
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 210 S. : Ill., graph. Darst.
    Series Statement: Meddelelser om Grønland 141,3
    Language: English
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  • 27
    Call number: MOP 46555 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 398 S. : Ill., graph. Darst.
    Uniform Title: Stationary and related stochastic processes
    Language: Russian
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  • 28
    Call number: MOP Per 358(6)
    Type of Medium: Monograph available for loan
    Pages: 58 S.
    Series Statement: Synoptičeskij Bjulleten' : Severnoe Polušarie Priloženie 6
    Language: Russian
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  • 29
    Monograph available for loan
    Monograph available for loan
    Moskva : Izd. "Nauka"
    Call number: MOP 42241
    Type of Medium: Monograph available for loan
    Pages: 391 S.
    Language: Russian
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  • 30
    Monograph available for loan
    Monograph available for loan
    Praha : Hydrometeorologický Ústav
    Associated volumes
    Call number: MOP 40270/2 / Mitte
    In: Meteorologická pozorování v Praze-Klementinu, II.
    Type of Medium: Monograph available for loan
    Pages: Seite 259-459
    Language: Czech , Russian , English
    Note: Contents Table 1 Daily records Table 2 Extreme temperatures Table 3 Montly means Table 4 Mean temperature in the years 1775-1975 Table 5 Daily means of extreme temperatures Table 6 Relative frequency of daily maximum temperature in months Table 7 Relative frequency of daily minimum temperature Table 8 Relative frequency of relative humidity Table 9 Relative frequency of pressure Table 10 Relative frequency of wind Table 11 Relative frequency of cloud amount Table 12 Relative frequency of daily rainfall Table 13 Statistical characteristics of daily observations Table 14 Monthly means in 5 years periods Table 15 Monthly means in 10 years periods Table 16 Monthly means in 50 years periods Table 17 Monthly means of statistical characteristics in the years 1776-1975 Table 18 Monthly means of statistical characteristics in 5 years periods Table 19 Monthly means of statistical characteristics in 10 years periods Table 20 Monthly means of statistical characteristics in 50 years periods Table 21 Mean daily temperature corresponding to the percent of the exceeding probability , In tschechischer, russischer und englischer Sprache
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  • 31
    Monograph available for loan
    Monograph available for loan
    Praha : Hydrometeorologický Ústav
    Associated volumes
    Call number: MOP 40270/1 / Mitte
    In: Meteorologická pozorování v Praze-Klementinu, I.
    Type of Medium: Monograph available for loan
    Pages: 258 Seiten
    Language: Czech , Russian , English
    Note: Contents Table 1 Daily records Table 2 Extreme temperatures Table 3 Montly means Table 4 Mean temperature in the years 1775-1975 Table 5 Daily means of extreme temperatures Table 6 Relative frequency of daily maximum temperature in months Table 7 Relative frequency of daily minimum temperature Table 8 Relative frequency of relative humidity Table 9 Relative frequency of pressure Table 10 Relative frequency of wind Table 11 Relative frequency of cloud amount Table 12 Relative frequency of daily rainfall Table 13 Statistical characteristics of daily observations Table 14 Monthly means in 5 years periods Table 15 Monthly means in 10 years periods Table 16 Monthly means in 50 years periods Table 17 Monthly means of statistical characteristics in the years 1776-1975 Table 18 Monthly means of statistical characteristics in 5 years periods Table 19 Monthly means of statistical characteristics in 10 years periods Table 20 Monthly means of statistical characteristics in 50 years periods Table 21 Mean daily temperature corresponding to the percent of the exceeding probability , In tschechischer, russischer und englischer Sprache , Zum Teil in kyrillischer Schrift
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  • 32
    Monograph available for loan
    Monograph available for loan
    Moskva : Glavnoe Upravlenie Geodezii i Kartografii
    Associated volumes
    Call number: MOP A2 36362(1)
    In: Atlas mira
    Type of Medium: Monograph available for loan
    Pages: 250 S.
    Edition: 2. izd.
    Language: Russian
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  • 33
    Monograph available for loan
    Monograph available for loan
    Wageningen : Centre for Agricultural Publ. and Documentation
    Call number: PIK M 370-91-0161 ; MOP 44707 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 175 Seiten , Illustrationen
    Edition: 2., revised and extended edition
    ISBN: 9022006522
    Series Statement: Simulation monographs
    Language: English
    Note: Contents 1 Introduction 1.1 Purpose 1.2 Some terminology 1.3 Electrical analogues 1.4 State determined systems 1.5 Simulation languages 2 Exponential growth 2.1 Analytical and numerical integration 2.2 Simulation 2.3 Time constant and time interval of integration 2.4 Integration method and time interval 3 The growth of yeast 3.1 Description of the system 3.2 Relational diagrams 3.3 Simulation 3.4 Logistic growth 4 Interference of plants 4.1 Replacement series 4.2 Density of sowing 4.3 Simulation of plant interference 4.4 Further modelling aspects 4.4.1 The INDEX and MACRO feature 4.4.2 The INITIAL and DYNAMIC section 5 Growth and competition of Paramecium 5.1 Description of the system 5.2 A simulation program 5.3 Preliminary estimation of parameters 5.4 Final determination of parameters 5.5 Stochastic aspects 5.6 The programming of probability functions 6 Modelling of development, dispersion and diffusion 6.1 Introduction 6.2 Physiological age and development stage 6.3 Demographic models 6.3.1 Age-classes 6.3.2 Errors of approximation 6.3.3 The matrix method 6.4 Germination models 6.4.1 Boxcar train without dispersion 6.4.2 Boxcar train with constant relative dispersion 6.4.3 Boxcar train with controlled dispersion 6.4.4 Refinements 6.5 The flow of heat in soils 7 Growth and development of Helminthosporium maydis 7.1 Introduction 7.2 The weather 7.3 Appearance and growth of lesions 7.4 Sporophore or stalk formation 7.5 Sporulation of green stalks 7.6 Sporulation of dried stalks 7.7 Dispersal of spores 7.8 Germination of spores and penetration of germtubes 7.9 Timing, initialization and output organization 7.10 Results and sensitivity analyses 8 Population models for fruit-tree red spider miteand predatory mites 8.1 Fruit-tree red spider mite 8.2 Predatory mite, Amblyseius potentillae 8.3 Relations between predator and prey 8.4 Preference as a competitive process 8.5 Verification 9 Solutions of the exercises References Appendix A Appendix B Index
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  • 34
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/29
    In: CRREL Report, 77-29
    Description / Table of Contents: Results of measurements of salinity, grain size, substructure dimensions and crystal fabrics of the undeformed 2.15-m-thick annual sea ice sheet near Narwhal Island, Alaska, are presented. A notable observation was the formation of a dominant c-axis horizontal structure in all ice below 14 cm, including transformation to a pronounced east-west alignment of the c-axes by a depth of 66 cm. This study confirms earlier reports of the occurrence of very strong horizontal c-axis alignments in arctic fast ice.
    Type of Medium: Series available for loan
    Pages: iii, 8 Seiten , Illustrationen
    Series Statement: CRREL Report 77-29
    Language: English
    Note: CONTENTS Abstract Preface Introduction Sampling and analytical procedures Results Discussion Conclusions Literature cited
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  • 35
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/28
    In: CRREL Report, 77-28
    Description / Table of Contents: Tests were conducted to assess the extent of surface degradation resulting from the application of non-chloride deicing chemicals on three types of airfield pavements. The chemicals tested were proprietary mixtures of urea, formamide, and ethylene glycol; sodium chloride, distilled water, and dry specimens were used as controls and for comparison. Pavements included new and old specimens of open-graded asphaltic concrete and old specimens of dense-graded asphaltic concrete. Portland cement concrete specimens used were new and old, with and without air-entrainment. New and old tar rubber concrete specimens were also tested. Samples were subjected to up to 60 freeze-thaw cycles with deicing chemicals flooding their upper surface. Each specimen was rated on a scale of 0-5 after every five freeze-thaw cycles. All PCC specimens showed some surface degradation, whereas the dense- and open-graded asphaltic concretes were largely unaffected.
    Type of Medium: Series available for loan
    Pages: v, 16 Seiten , Illustrationen
    Series Statement: CRREL Report 77-28
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) Units of measurement Introduction Test procedure Pavement types Deicing chemicals Description of tests Discussion Literature cited Appendix A: Test results Appendix B: Portland cement concrete materials data
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  • 36
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/27
    In: CRREL Report, 77-27
    Description / Table of Contents: The spectral reflectance of natural snow in the range of 0.20- to about 0.40-micrometers wavelengths was studied in the laboratory using both continuous spectral scanning and fixed bandpass measurements. White barium sulfate pressed powder was used as a standard for comparison. The reflectance of fresh snow was found to be very high (usually nearly 100%) and only weakly wavelength dependent from 0.24 micrometers to the visible range. In the 0.20- to 0.24-micrometers portion of the spectrum, the reflectance was found to be quite erratic. Possible reasons for the irregularities in reflectance measurements are discussed.
    Type of Medium: Series available for loan
    Pages: v, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 77-27
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experimental procedure Snow collection Spectrophotometric methods Data analysis Potential sources of error Presentation of results Continuous-scan measurements Comparison of sequential bandpass and continuous-scan measurements Theoretical calculations Discussion of results Differences in amplitude of reflectance measurements Irregularities in the shape of spectral reflectance curves The true spectral reflectance of snow in the ultraviolet region Conclusions Literature cited Appendix A. Absolute reflectance values of pressed BaSO4 powder
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  • 37
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/26
    In: CRREL Report, 77-26
    Description / Table of Contents: A theory for ice forces acting on inclined wedges has been developed, thus making it possible to predict the magnitude of the intermittent ice forces from knowledge of the physical parameters of the system. The theory has been verified by model tests with artificial and natural ice.
    Type of Medium: Series available for loan
    Pages: viii, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 77-26
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Summary Introduction Recent ice research in Denmark General Structures with vertical faces Wedges with inclined faces Recording of the strength of natural ice Artificial ice — properties and manufacture General Composition of material Order of mixing ingredients Rupture theory Theoretical approach Initial contact Forces acting on wedge Maximum force and actual force Principal stress equations 8Dynamic equations Intermittent nature of force Theoretical curve Verifiction of theory by model tests Description Width of rupture channel Plotting of results Engineering application Comparison with Korahavin’s results Recommendations for future research References Appendix A
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  • 38
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/23
    In: CRREL Report, 77-23
    Description / Table of Contents: This report discusses the relationship between an architect and a behavioral scientist. Some of the discussion applies to this cooperative work for design of buildings. The bulk, however, relates to the cooperation of architect and behavioral scientist while conducting research. Examples from collaborative research at Alaskan military installations are cited which demonstrate the roles and contributions of the two disciplines.
    Type of Medium: Series available for loan
    Pages: 8 Seiten , Illustrationen
    Series Statement: CRREL Report 77-23
    Language: English
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  • 39
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/21
    In: CRREL Report, 77-21
    Description / Table of Contents: Cold weather limits the successful application of built-up roofing, but often a roof installation must be completed late in the fall or in the winter. The loose-laid protected membrane roof with a synthetic sheet membrane can be installed in the middle of the winter with complete reliability. A synthetic membrane is traditionally more expensive than built-up roofing (rising crude oil prices, however, have reversed this condition), but it has two special features besides its suitability for winter installation: it can be placed on a damp deck, if necessary, and, being losse-laid, it does not split because of deck movement. This report documents information on the installation of two roofs in Anchorage, Alaska, during January and February 1972, including a discussion of the necessary snow removal from the bare deck and the use of portable shelters for preparing the lap joints between sheets during very cold weather. The winter installation caused no special construction problems and the advantages of the synthetic membrane make it an attractive alternative to built-up roofing. The cost of loose-laid protected membrane roofs in Alaska was, in 1972, nearly $300 per square ($28/sq.m), including insulation. Prices are rising as labor costs rise and as more insulation is specified.
    Type of Medium: Series available for loan
    Pages: 5 Seiten , Illustrationen
    Series Statement: CRREL Report 77-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction The protected membrane roof Winter construction considerations Construction costs Conclusion
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  • 40
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/19
    In: CRREL Report, 77-19
    In: Mechanics of cutting and boring, Part VI
    Description / Table of Contents: Abstract: The report deals with forces and power levels in cutting machines having adisc or drum that rotates about an axis perpendicular to the direction of advance. The forces on individual cutting tools are related to position on the rotor and to characteristics such as tool layout, rotor speed, rotor size, machine advance speed, and rotor torque. Integration leads to expressions for force components acting on the rotor axis, taking into account tool characteristics, cutting depth of the rotor, and rotor torque. These provide estimates of tractive thrust and thrust normal to the primary free surface. For self-propelled machines, this leads to considerations of traction, normal reaction, weight and balance, and power/weight ratios. Specific energy consumption is analyzed and related to machine characteristics and strength ofthe material being cut. Power per unit working area is discussed, and data for existing machines are summarized. Power requirements for ejection ofcuttings are analyzed, and the hydrodynamic resistance on underwater cuttings is treated. A number of worked examples are given to illustrate the principles discussed in the report.
    Type of Medium: Series available for loan
    Pages: vii, 36 Seiten , Illustrationen
    Series Statement: CRREL Report 77-19
    Language: English
    Note: CONTENTS Abstract Preface Foreword Introduction Terminology Forces on individual cutters Torque force and tool force Forces on the rotor axis Tractive thrust and down thrust Alternative tool force formulations Vehicle traction Power/weight ratio Weight and balance Force, torque, speed and power Specific energy Efficiency and performance index Power density Power requirements for ejection of cuttings Hydrodynamic resistance in underwater cutting
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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/1
    In: CRREL Report, 76-1
    Description / Table of Contents: This report summarizes the advances in understanding of the Arctic which have come about since the inception of the ARPA Arctic Surface Effect Vehicle Program in 1970, primarily as the result of CRREL’s participation. Major efforts to increase knowledge of sea ice, terrestrial, and coastal topographic features are described. Special empha­sis is placed upon the quantitative understanding of pressure ridging. Other areas of major interest are atmospheric characteristics and ecological effects. A list of publications generated is included.
    Type of Medium: Series available for loan
    Pages: iv, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 76-1
    Language: English
    Note: CONTENTS Abstract Preface Introduction Sea ice characteristics Ridging intensity Arctic terrain characteristics databank Digital terrain maps Digital laser profiles Standard terrain tapes Mobility analysis Terrestrial and coastal characteristics Northern Alaska Interior Alaska Arctic USSR Northern Canada and Greenland Climatological characteristics General features Surface winds Temperatures Precipitation and visibility Electromagnetic/optical propagation Ecological effects of SEV operations SK-5 tests Simulated SEV tests Conclusions Literature cited Additional CRREL SEV Bibliography
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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-201-76/2
    In: CRREL Report, 76-2
    Description / Table of Contents: The repair and maintenance costs of low slope roofs are high and their life expectancy is less than desired. The increasing use of insulation is accompanied by a greater incidence of problems. The experience in cold regions amplifies these experiences. Protected membrane roofs have the prerequisites for better performance and the experience to date is encouraging. The results of performance measurements of three roofs built by the Corps of Engineers verify that the membrane remains at nearly constant temperature, independent of the weather, and that the insulation retains its integrity despite periodic wetting. Moisture absorption is slow and appears to stabilize in time due to the self-drying nature of the roof. Heat losses are increased due to rain, and extra insulation should be added to compensate for these losses. The resistance of protected membrane roofs to fire, traffic, impact, and other adverse forces is superior. So far, the initial cost of protected membrane roofs is at a premium, primarily due to the cost of concrete pavers. The initial cost premium can be justified, however, by the reduced repair and maintenance costs as indicated to date, and by the longer life expectancy of the protected membrane. The high probability of superior performance and cost effectiveness is a compelling reason to incorporate protected membrane roofs increasingly in Government construction.
    Type of Medium: Series available for loan
    Pages: v, 27 Seiten , Illustrationen
    Series Statement: CRREL Report 76-2
    Language: English
    Note: CONTENTS Page Abstract Preface Introduction Low slope roof problems and repair costs Protected membrane roofs and materials Installations of protected membrane roofs Performance evaluation Test program Effectiveness Thermal efficiency Heat balance Internal cooling due to rain Moisture absorption and thermal conductivity of insulations Durability and life expectancy Fire resistance Patent considerations Costs of roofs Design considerations Proposed specifications Conclusions and recommendations 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-201-76/4
    In: CRREL Report, 76-4
    Description / Table of Contents: Large areas of grounded sea ice have been reported by early arctic explorers and more recently by the U.S. Coast Guard. The ESSA, ERTS, NOAA and DMSP satellites now provide multispectral imagery with sufficiently high resolution to allow detailed sequential observations to be made of the movement and spatial extent of arctic sea ice. This report discusses the location, formation and decay of five large (greater than 30 sq km) islands of grounded sea ice in the southern Chukchi Sea as observed for an extended period of time using satellite imagery. Measurements of the bathymetry around one grounded sea ice feature are presented along with observations made and photos taken from the ice surface. The potential use of these sea ice islands as research stations is also discussed.
    Type of Medium: Series available for loan
    Pages: v, 24 Seiten , Illustrationen
    Series Statement: CRREL Report 76-4
    Language: English
    Note: Contents Introduction The discovery Age of the island Island visit Other islands of grounded ice Discussion Literature cited
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  • 44
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/7
    In: CRREL Report, 76-7
    Description / Table of Contents: This report covers a series of cantilever beam tests designed to determined the efficacy of adding reinforcement to an ice cover. Tests were run using 1-in.-diam tree branches, 3/16-in.-diam wire rope and 9/16-in. half-round wood dowels as reinforcement for both seawater and freshwater ice. The results show a definite advantage derived from using reinforcement, even when poorly placed. The results also show that reinforced ice carries a load even after it cracks. Thus, after the initial cracks there is time to remove people and equipment before final breakthrough. One must bear in mind, however, that reinforcement has disadvantages. The darker reinforcement absorbs solar radiation and thereby causes earlier weakening of the ice cover. Also, in many cases the time and effort required to place reinforcement may exceed those required to achieve equal strength by additional thickening of the ice sheet. This study has shown that understanding of the failure mechanism of ice under repetitive loading is poor and that future studies should be performed on this problem. Also, this study covered only cantilever beams. The actual field problem is strengthening a three-dimensional sheet. Hence, distribution and orientation of the reinforcement should be addressed in future studies.
    Type of Medium: Series available for loan
    Pages: v, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 76-7
    Language: English
    Note: Contents Abstract Preface Summary Conversion factors: U.S. customary to SI metric units Introduction Typical methods of constructing ice bridges Current knowledge Test program Objectives Equipment Procedure Data General Specific ice sheets Test results Conclusions Recommendations Literature cited
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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-201-76/10
    In: CRREL Report, 76-10
    Type of Medium: Series available for loan
    Pages: vi, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 76-10
    Language: English
    Note: CONTENTS Introduction Experimental work SCR samples CAG samples CMS samples UAG samples SI samples Optical system Equipment Procedure Photographic work Large cracks and fissures Small damage to the surface Small damage to the buIk Results Damage as a function of the position x of the focal point; n(x) Damage as a function of the number of irradiations #; n(#) Damage as a function of crystallographic orientation ĉ; n (ĉ); p (ĉ) Damage as a function of surface structure Damage as a function of age A; n (A) Damage as a function of wavelength λ; p(λ) Systematic study of damage as a function of W, t, m and s; n(W, t, m, s) Analysis Fracture in ice Mechanisms for optically generated damage in transparent dielectrics Discussion of the results Summary and conclusions Literature cited
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  • 46
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/13
    In: CRREL Report, 76-13
    Description / Table of Contents: The thermal structure and ice conditions of Lake Champlain, a mid-latitude large lake, near Shelburne Point, Vermont, were studied during the winter of 1974-75. The lake was instrumented to a depth of 8.5 m with a string of highly calibrated thermistors, connected to a data logger on shore which recorded water temperatures every four hours. An ice mooring system was developed to anchor the thermistor string so that ice and water temperatures could be obtained at known levels. This temperature recording system measured vertical and horizontal variations in ice and water temperature regimes during ice formation, growth and decay. Meteorological data were measured during the winter period November 1974 through March 1975 at the site. Ice stratigraphy was determined for the ice at the site at its maximum seasonal growth for comparison with ice from St. Albans Bay (at the northern end of Lake Champlain) which had formed earlier. Correlations were determined between ice growth and accumulated degree days of freezing. The operation of a bubbler system installed near the measurement site around a service dock was observed.
    Type of Medium: Series available for loan
    Pages: vii, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 76-13
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Climate Site selection Instrumentation, measurements and calibration Installation of automatic water temperature recording system Visual observations and ice structure St. Albans Shelburne Analysis Temperature comparison Water temperature measuring system Changes in water temperature Wind Degree-days of freezing Prediction of ice formation Bubbler system Conclusions Recommendations Literature cited
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  • 47
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/14
    In: CRREL Report, 76-14
    Description / Table of Contents: At the height of warm weather in Alaska in 1975, temperature measurements were made to determine the extent of the thermal impact on French Creek due to a condenser cooling water impact from the Eielson AFB Power plant. Water temperature measurements during a two-day period failed to show any significant thermal impact on the water in French Creek. It was concluded that no thermal pollution exists due to this warm water input at the volumes and conditions that presently exist.
    Type of Medium: Series available for loan
    Pages: ii, 5 Seiten , Illustrationen
    Series Statement: CRREL Report 76-14
    Language: English
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  • 48
    facet.materialart.
    Unknown
    New York : Geological Soc. of America
    Associated volumes
    Call number: 97.0498/1
    In: Geology of the Alaska Peninsula - Island Arc and continental margin
    Pages: ix, 250 S.
    Classification:
    Regional Geology
    Language: English
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  • 49
    Monograph available for loan
    Monograph available for loan
    København : Reitzel
    Associated volumes
    Call number: ZSP-553-184,1
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 99 S. : Ill.
    Series Statement: Meddelelser om Grønland 184,1
    Language: English
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  • 50
    Call number: MOP 42508 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 298 Seiten
    Language: Russian
    Note: In kyrillischer Schrift
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  • 51
    Monograph available for loan
    Monograph available for loan
    Minsk : Izdatel'stvo "Nauka i technika"
    Call number: MOP 43486 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 591 Seiten
    Language: Russian
    Note: In kyrillischer Schrift
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  • 52
    Call number: ZSP-553-198,2
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 266 S.
    ISBN: 8717021200
    Series Statement: Meddelelser om Grønland 198,2
    Language: English
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  • 53
    Call number: ZSP-558
    In: Middle atmosphere program
    Type of Medium: Monograph available for loan
    Pages: 97 S.
    Series Statement: Middle atmosphere program
    Language: English
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  • 54
    Call number: MOP Per 607(216)
    In: Trudy
    Type of Medium: Monograph available for loan
    Pages: 130 S.
    Series Statement: Trudy / Gidrometeorologičeskij Naučno-Issledovatel'skij Centr SSSR 216
    Language: Russian
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  • 55
    Call number: MOP A4 36362(2)
    In: Atlas mira
    Type of Medium: Monograph available for loan
    Pages: 533 S.
    Edition: 2. izd
    Language: Russian
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  • 56
    Call number: SR 90.0018(129) ; ZSP-183-129
    In: Bulletin / Grønlands Geologiske Undersøgelse, No. 129
    Description / Table of Contents: The Holocene stratigraphy in Scoresby Sund is based on climatic change as reflected by fluctuations in fjord and valley glaciers, immigration and extinction of marine molluscs, and the vegetation history recorded in pollen diagrams from five lakes. The histories are dated by C-14, and indirectly by emergence curves showing the patterns of isostatic uplift. From c. 10100-10400 to 9400 yr BP the major fjord glaciers showed oscillatory retreat with abundant moraine formation, the period of the Milne Land Moraines. The vegetation in the ice free areas was a sparse type of fell field vegetation but with thermophilous elements indicating temperatures similar to the present. From 9400 yr BP the fjord glaciers retreated rapidly in the narrow fjords, the few moraines formed are referred to the R0defjord stages and indicate topographically conditioned stillstands. At 8000 yr BP the low arctic Betula nana imigrated into the area, and in the period until 5000 yr BP dense dwarf shrub heath grew in areas where it is now absent. In the fjords the subarctic Mytilus edulis and Pecten islandica lived, suggesting a climate warmer than the present. From c. 5000 yr BP the dense dwarf shrub heath began to disappear in the coastal areas, and a 'poor' heath dominated by the high arctic Salix Arctica and Cassiope tetragona expanded. These two species, which are now extremely common, apparently did not grow in the area until c. 6000 yr BP. In lakes in the coastal area minerogenic sedimentation at c. 2800 yr BP, reflecting the general climatic deterioration.
    Type of Medium: Series available for loan
    Pages: 66 S. : Ill., graph. Darst., Kt. + 7 Beil.
    Series Statement: Bulletin / Grønlands Geologiske Undersøgelse 129
    Language: English
    Note: CONTENTS: Introduction. - Topography and hydrography. - Climate, glaciation, permafrost. - Notes on the scientific exploration of the area. - Sea level changes. - C-14 dates on shell material, corrections and errors. - Marine limits. - Emergence curves. - Marine faunas. - Glaciation history. - Pleistocene glaciation. - The Milne Land Moraines. - Glacial retreat, the Rødefjord stages. - Glacial readvance. - Climatic implications. - Comparison with other areas. - Pollen analytical investigations. - Field methods. - Lake sediments. - C-14 dates of lake sediments and rates of sedimentation. - Pollen preparation and calculation procedures. - Pollen identification. - Description of sites and pollen diagrams. - Notes on the present vegetation. - Discussion and reconstruction of vegetation types. - Plant immigration and climatic change. - Summary of the vegetation history. - Comparison with other areas. - General notes on the climatic development. - Acknowledgements. - References.
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  • 57
    Monograph available for loan
    Monograph available for loan
    Moskva : Mosk. Otd. Gidrometeoizdat
    Associated volumes
    Call number: MOP Per 325(145)
    In: Trudy Gosudarstvennogo Okeanografičeskogo Instituta
    Type of Medium: Monograph available for loan
    Pages: 107 S.
    Series Statement: Trudy Gosudarstvennyj Okeanografičeskij Institut 145
    Language: Russian
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  • 58
    Call number: S 05.0339(41)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxvi, 1259 S. : zahlr. graph. Darst. + 1 Kt.
    Language: English
    Location: A 18 - must be ordered
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  • 59
    Monograph available for loan
    Monograph available for loan
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Akademie der Wissenschaften zu Berlin
    Associated volumes
    Call number: MOP Per 581(2/3) ; ZSP-319/B-3
    In: Vorträge der Sommerschule Untere Ionosphäre, Heft 3
    In: Geodätische und geophysikalische Veröffentlichungen : Reihe 2, Solarterrestrische Beziehungen und Physik der Atmosphäre, Heft 3
    Type of Medium: Monograph available for loan
    Pages: 168 Seiten , Illustrationen
    ISSN: 0533-7585
    Series Statement: Geodätische und geophysikalische Veröffentlichungen : Reihe 2, Solarterrestrische Beziehungen und Physik der Atmosphäre 3
    Language: German , Russian
    Note: Inhaltsverzeichnis: Svojstva koėfficientov prelomlenija, zatuchania i koėfficienta propuskanija ionosfery na nizkich i sverchnizkich častotach = Свойства коэффициентов преломления, затухания и коэффициента пропускания ионосферы на низких и сверхнизких частотах = Die Eigenschaften des Brechungs- und Dämpfungskoeffizienten sowie des Durchlässigkeitskoeffizienten der Ionosphäre bei niedrigen und extrem niedrigen Frequenzen / D. S. Fligel' = Д. С. Флигель. - Scatter an Meteorspuren / L. Třiskova. - Radio-Echos von Meteorspuren und ihre Bedeutung für die Physik der Hochatmosphäre / P. Glöde. - Die Windsysteme in der unteren Ionosphäre nach Radiobeobachtungen im Langwellenbereich und nach Radarbeobachtungen an Meteoriten / K. Sprenger. - Ergebnisse und Aspekte von Messungen des atmosphärischen Funkstörpegels im Längstwellenbereich in verschiedenen Breiten / E. A. Lauter, B. Schäning. - Molnievye razrjady i rasprostranenie ėlektromagnitnych voln nizkoj i sverchnizkoj častoty nad zemnoj poverchnost'ju = Молниевые разряды и распространение электромагнитных волн низкой и сверхнизкой частоты над земной поверхностью = Blitzentladungen und die Ausbreitung elektromagnetischer Wellen niedriger und extrem niedriger Frequenzen über die Erdoberfläche / D. S. Fligel' = Д. С. Флигель. - Funkcija rasprostranenija i srednjaja fazovaja skorost' ėlektromagnitnych voln na sverchnizkich častotach = Функция распространения и средняя фазовая скорость электромагнитных волн на сверхнизких частотах = Die Ausbreitungsfunktion und die mittlere Phasengeschwindigkeit der elektromagnetischen Wellen extrem niedriger Frequenzen / G. A. Michailova = Г. А. Михайлова. - Weitere Untersuchungen über Sq und L / G. Fanselau.
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  • 60
    Monograph available for loan
    Monograph available for loan
    New York : Dover Publications
    Call number: M 15.89026
    Type of Medium: Monograph available for loan
    Pages: xvi, 504 S. , graph. Darst.
    Edition: Repr. of 2. ed. rev. and enl., 1894.
    ISBN: 0-486-60293-1
    Series Statement: Dover classics of science and mathematics
    Language: English
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  • 61
    Call number: M 96.0265
    In: Report EERL
    Type of Medium: Monograph available for loan
    Pages: viii, 202 S.
    Series Statement: Report EERL 76-03
    Classification:
    Seismology
    Language: English
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  • 62
    Call number: S 05.0339(49)
    In: Initial reports of the deep sea drilling project
    Type of Medium: Series available for loan
    Pages: xxiii, 1020 S. : zahlr. graph. Darst.
    Language: English
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  • 63
    Monograph available for loan
    Monograph available for loan
    Moskva : Izdat. Mysl'
    Call number: MOP 38418
    Type of Medium: Monograph available for loan
    Pages: 183 S.
    Series Statement: Voprosy geografii 74
    Language: Russian
    Note: In kyrill. Schr.
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  • 64
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Wiley & Sons
    Call number: M 96.0384
    Type of Medium: Monograph available for loan
    Pages: xii, 1032 S.
    Edition: 2nd ed.
    ISBN: 0471478601
    Series Statement: Wiley series on the science and technology of materials
    Classification:
    C.5.2.
    Language: English
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  • 65
    Monograph available for loan
    Monograph available for loan
    Washington : American Geophysical Union
    Call number: IASS 16.90053
    Type of Medium: Monograph available for loan
    Pages: v, 261 Seiten , Illustrationen
    Uniform Title: Izmenenii︠a︡ klimata. 〈engl.〉
    Language: English
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  • 66
    Monograph available for loan
    Monograph available for loan
    New York [u.a] : McGraw-Hill
    Call number: 6293
    Type of Medium: Monograph available for loan
    Pages: x, 244 S. : graph. Darst.
    Series Statement: McGraw-Hill Physical and Quantum Electronics Series
    Language: English
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  • 67
    Monograph available for loan
    Monograph available for loan
    London [u.a.] : Academic Pr.
    Call number: PIK N 456-16-90117
    Type of Medium: Monograph available for loan
    Pages: XII, 611 S , Ill., graph. Darst
    ISBN: 0125881800
    Language: English
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  • 68
    Monograph available for loan
    Monograph available for loan
    Jerusalem : Israel Program for Scientific Transl.
    Call number: PIK N 456-16-90135
    Type of Medium: Monograph available for loan
    Pages: IV, 178 S.
    Uniform Title: Radiacionnyj Klimat Antarktiki 〈engl.〉
    Language: English
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  • 69
    Call number: PIK N 456-16-90137
    Type of Medium: Monograph available for loan
    Pages: getr. Zählung , ill. (some col.) , 24 cm
    Language: English
    Note: Enth.: Introduction -- Pt. 2. Union of South Africa from Olifants River to Mossel Bay. With an appendix on conditions at Saldanha Bay, Cape Town and Simonstown -- Pt. 3. Union of South Africa from Mossel Bay to East London.With an appendix on conditions oat Mossel Bay and Port Elizabeth -- Pt. 4. Union of South Africa from East London to Kosi Bay.With an appendix on conditions at East London and Durban -- Pt. 5. Portuguese East Africa (Mocambique) and Mocambique Channel -- Pt. 5a. Madagascar. With an appendix on conditions at Mayotte, Diégo Suarez, Nossi Bé and Tamatave
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  • 70
    Monograph available for loan
    Monograph available for loan
    Moskva : Izd. Nauka
    Call number: MOP B 12031
    Type of Medium: Monograph available for loan
    Pages: 400 S. : graph. Darst.
    Series Statement: Fiziko-matematiceskaja biblioteka inzenera
    Uniform Title: Numerical methods for scientists and engineers
    Language: Russian
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  • 71
    Call number: M 15.89125
    Type of Medium: Monograph available for loan
    Pages: XXIV, 151 S. , graph. Darst.
    ISBN: 0387079718 , 3540079718
    Series Statement: Texts and monographs in physics
    Language: English
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  • 72
    Call number: MOP 45060 / Mitte
    In: Research report
    Type of Medium: Monograph available for loan
    Pages: VII, 42 S.
    Series Statement: Research report / Institute of Applied Systems Analysis 1979, 11
    Language: English
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  • 73
    Monograph available for loan
    Monograph available for loan
    Addis Ababa : Addis Ababa University
    Call number: M 15.89147
    Type of Medium: Monograph available for loan
    Pages: 46 S. , graph. Darst.
    Series Statement: Bulletin of the Geophysical Observatory ; no. 17
    Language: English
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  • 74
    Monograph available for loan
    Monograph available for loan
    Lahaina, Hawaii : Ross-Hargreaves
    Call number: PIK N 630-15-89560
    Type of Medium: Monograph available for loan
    Pages: 64 S. , zahlr. Ill.
    Language: English
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  • 75
    Monograph available for loan
    Monograph available for loan
    Kyoto : The Physico-Chem. Soc. of Japan
    Call number: 9647
    Type of Medium: Monograph available for loan
    Pages: X, 887 S. , graph. Darst.
    Series Statement: The review of physical chemistry of Japan : special issue
    Language: English
    Note: CONTENTS: Foreword. - I INTRODUCTORY LECTURES. - Some Aspects of High Pressure Research / B.Vodar. - High Pressure Researches in Japan - Past and Prospects / J.Osugi. - II INVITED GENERAL LECTURES. - Recent Developments in X-Ray Diffraction Studies at High Pressure / J. C. Jamieson. - Effects of Pressure on Properties and Processability of Polymers / J. A. Sauer and K. D. Pae. - Polar and Ionic Fluids at High Pressures and Temperatures / E. U. Franck. - High-Pressure Raman Spectroscopy / E. Whalley. - III CONTRIBUTED PAPERS. - SESSION I [SOLIDS UNDER HIGH PRESSURE INCLUDING POLYMER]. - Thermal Pressures in Liquid Polymers and the Solid-Liquid Phase Line of Polyethylene and Other Similar Polymers / D. J. Pastine and R. W. Warfield. - Effect of Pressure on the Entropy of Fusion of Extended Chain Crystals of Polyethylene / M. Takayanagi, T. Kijima, K. Imada and T. Yoshizumi. - Crystallization and Melting of Polyethylene under High Pressure / Y. Maeda and H. Kanetsuna. - Crystallization of Polyethylene under Static and Shock Wave Pressure / T. Hatakeyama, T. Soma and Yoshio Tanaka. - Effect of Pressure on Crystallization of Polyethylene / K. Monobe, Y. Fujiwara and K. Tanaka. - The Formation of Extended-Chain Crystals from Solution under High Pressure and Their Morphology / S. Miyata and K. Sakaoku. - Molecular Motion of Crystalline Polymers under High Pressure / T. TakemuraTemperature and Pressure Dependences of the Grüneisen Constant of Polyethylene Crystals / T. Kijima, K. Koga, T. Yoshizumi, K. Imada and M. Takayanagi. - Effect of High Pressure on Radiation-Induced Crosslinking of Synthetic Rubbers / M. Takehisa and T. Sasuga. - Characterization of a Phenolic Polymer by Compressibility Measurements / R. W. Warfield. - High-Pressure Plastification of Thermoplastics / G. Menges and E. Doering. - Effects of High Pressure on Mechanical Behavior of Different Molecular Weight Polypropylenes / K. D. Pae, H. N. Yoon and J. A. Sauer. - Linear Compressibility of Polyester PSM-1 under High Hydrostatic Pressure / L. W. Hu and C. K. McClure. - Pressure Dependence of the Elastic Constants of Polymers / B. Hartmann. - High Pressure Mechanical Properties of Three Frozen Materials / E. R. Simonson, A. H. Jones and S. J. Green. - The Effect of Machining after Full Autofrettage / D. H. Newhall. - The Influence of Daviatoric Stress in the Compaction of Porous Metals at High Pressure / J. N. Johnson, F. H. Shipman, S. J. Green and A. H. Jones. - Sintering of TiB2 Powder and TiB2-Ni Mixed Powder under Very High Pressure / T. Watanabe and K. Kobayashi. - Effect of Hydrostatic Pressure on Stress-Strain Behavior of Lithium Fluoride / N. lnoue and J. E. Hanafee. - Influence of High Hydrostatic Pressure on the Stress-Strain Relation of Some Metastable Iron Alloys / A. Oguchi, S. Yoshida and M. Otaguchi. - A Study on the Hydrostatic Extrusion of Fine Wire / M. Hayashi, M. Yokota, T. Kondo and M. Hinata. - Pressure-Induced Transition in GaP / A. Onodera, K. lshizaki, N. Kawai and I. L. Spain. - Formation and Crystal Growth of Coesite in the Presence of Water / T. Kameyama and S. Naka. - High Pressure Synthesis of New Perovskite-Like Compounds in the Systems Nd2O3-B2O3Mn2O3 ( B= Al, Cr, Ga, Fe ) / J. Chenavas, J. J. Capponi, J. C. Joubert and M. Marezio. - Allotropic Transformation of FeVO4 under High Pressure / F. Kanamaru, M. Shimada, M. Koizumi and T. Asai. - Decomposition of Spinel MgAl2O4 at Extremely High Pressure / E. Ohtani, H. Sawamoto, K. Masaki and M. Kumazawa. - Decomposition of Ilmenite under Hydrothermal Condition (Preliminary Work) / M. G. M. U. lsmail, S. Hirano and S. Somiya. - High Pressure Decomposition of γ-Fe2SiO4 / H. Sawamoto, E. Ohtani and M. Kumazawa. - Further Comments Concerning the Polymorphism under Pressure of the Disilicates of the Heavier Lanthanides (Tm, Yb, Lu): Discovery of a New Form / J. Loriers, G. Bocquillon, D. Colaitis and C. Loriers-Susse. - Stability Relation of Some Hydro-Silicate Minerals at High Pressure / Y. Hariya, T. Oba and S. Terada. - Stability of K2Si4O9 with Wadeite Type Structure / N. Kinomura, S. Kume and M. Koizumi. - High Pressure Hexagonal Form of MgSiO3 / M. Tachimori, N. Kawai and E. lto. - The Solubility of Al2O3 in Enstatite and the Phase Equilibria in the System MgSiO3-MgAl2SiO6 at High Temperature and Pressure / M. Arima, K. Onuma and K. Yagi. - High Pressure Phase Transformation in Zinc Silicates / E. Ito and Y. Matsui. - Structural Investigations on Cerium / P. H. Schaufelberger and H. Merx. - An X-Ray Study on the Structural Change of Plastically Deformed Polycrystalline Metal under Combined Hydrostatic Pressure / M. Ohnami, K. Shiozawa and A. Kamitani. - Pressure dependence of the Lattice Parameters and the electrostriction of the Ferroelectric perovskite PbTiO3 / T. lkeda, K. lnoue and A. Nakaue. - Compression of Si to 70 kbar Based on High Pressure X-Ray Diffractometry / M. Senoo, H. Mii, I. Fujishiro and T. Fujikawa. - Weak Ferromagnetism and High Pressures / J.Beille, D. Bloch and J. Voiron. - The study of structural phase transitions at High Pressure: Soft Modes in Ferroelectrics and dielectrics / G. A. Samara. - The Valence Electron-Iron Core Interaction Potential / D. J. O'Keeffe . - Pressure dependence of the Ferroelectric Transition in the Hydrogen Bonded Arsenates and their deuterated isomorphs / R. P. Lowndes, R. C. Leung, W. B. Spillman and N. E. Tornberg. - Pressure dependence of the structural phase transition temperature in SrTiO3 and KMnF3 / B. Okai and J. Yoskimoto. - The Effect of Pressure on the Antiferromagnetic transition point in CrSb / H. Yoshida, T. Kaneko, M. Ohashi,K. Kamigaki and S. Abe. - Hydrostatic pressure effects on the Curie Temperature of Ni-based alloys (Ni-V, -Cu, -Pd, -Rh and -Pt alloys) / H. Fujiwara, H. Kadomatsu and K. Ohishi. - Effect of pressure on the Magnetic Transition Temperatures of Nonstoichiometric Iron chalcogenides / K. Ozawa and S. Anzai. - Pressure dependence of the Superconducting Transiton Temperature of Th4H15 / M. Dietrich and W. Gey. - Compressibility and first order characteristics of Mott transition in NiS / S. Anzai and K. Ozawa. - Semiconductor-to-Metal and Magnetic Transitions in Pure, Co- and Cu-doped NiS2 under High Pressure / N. Mori, T. Mitsui and S. Yomo. - Low temperature phase transitions of Bismuth under High Pressure / S. Yomo, N. Mori and T. Mitsui. - Stability of γ phase formed in Fe-Mn-X Alloys under High Pressure / M. Fujita and I. Uchiyama. - Pressure-induced phase transitions in Amorphous InSb / K. Asaumi, O. Shimomura and S. Minomura. - Pressure dependence of resistance and Absorption Edge in Amorphous Se, As2S3 and As2Se3 / K. Aoki, O. Shimomura and S. Minomura. - Irreversible Compression of Glasses of the System TiO2-SiO2 by High Static Pressures / J. Arndt. - Insulator-Metal Transition in SiO2, FeO and MgO / N. Kawai and A. Nishiyama. - Volume dependence of Pauli Paramagnetism and Wave Functions in Alkali Metals / T. Kushida, J. C. Murphy and M. Hanabusa. - Effect of pressure on the Long period Structure of Alloys / Hiroshi Iwasaki. - Pressure effect on layer stacking of Intermetallic Compound Mg(Cu1-xZnx)2 / A. Nakaue, K. Inoue and T. Ikeda. - Piezo-Optic Properties of Solids at High Pressure / K. Vedam. - Raman Studies on Ice VII and VIII / W. B. Holzapfel, R. S. Hawke and K. Syassen. - I.R. and R Spectra of Simple Molecular Solids up to 15 kbar at 4.2 K / H. Vu, M. Jean-Louis, M. M. Thiery, D. Fabre, S. Avrillier and P. Khatibi. - Infrared absorption spectra of cyanid complexes of Transition Elements at Hiqh Pressure / G. Dehnicke, K. Dehnicke, H. Ahsbahs and E. Hellner. - The Changes of the Electronic State of a Mixed-Valence Compound at High Pressures - Insoluble Prussian Blue, Fe4[Fe(CN) 6]3 / Y. Hara and S. Minomura. - Phonon Softening in Lanthanum under Pressure / A. Eichler, J. Wittig and H. Wühl. - Thermal Diffusivity of KCl at High Pressures and Temperatures and Its Change Accompanied with the Phase Transition / H. Yuk
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  • 76
    Call number: 12023/2
    In: Proceedings / Fourth International Congress on Rock Mechanics, Vol. 2
    Type of Medium: Monograph available for loan
    Pages: XXXVI, 727 S. , Ill., graph. Darst.
    ISBN: 906191048X
    Language: English , French , German
    Note: Contents: THEME II USE OF TESTS AND MONITORING IN THE DESIGN AND CONSTRUCTION OF ROCK STRUCTURES = UTILISATION DES ESSAIS ET DES AUSCULTATIONS DANS LA CONCEPTION ET L'EXÉCUTION D'OUVRAGES EN ROCHER = VERWENDUNG VON VERSUCHEN UND KONTROLLMESSUNGEN IM ZUSAMMENHANG MIT DEM ENTWURF UND DER ERRICHTUNG VON FELSBAUTEN. - Plateloading tests on multi-layed sedimentary rocks = Tests de surcharge de roches sédimentaires à multi-strates = Plattenladungsversuche von geschichteten Sedimentgesteinen / K. Akai, Y. Onishi, K. Takahashi. - Verhalten von vorfabrizierten Tunnelauskleidungen beim Schildvortrieb = Behaviour of the prefabricated lining in shield driven tunnels = Le comportement du revêtement préfabriqué d'un tunnel pendant l'avancement au moyen d'un bouclier / E. Andráskay, R. Attinger. - Arch formation and pillar yield in jointed rock = Formation de voûte et déformation des piliers dans une roche disjointe = Gewölbebildung und Pfeilerleistung bei abgesondertem Gestein / J. R. Barrett, B. Grumitt, M. Wical. - A new approach to the evaluation of the strength of concrete construction contact with the rocky foundation = Une nouvelle approche à l'estimation de la résistance du contact d'une construction en béton avec la fondation en roche = Neuer Standpunkt zur Berechnung von Festigkeit des Kontaktes zwischen Betonbauwerk und Felsfundamentsohle / J. A. Baslavsky, S. A. Frid. - Die Erstellung eines Pilotstollens sowie felsmechanische Untersuchungen als Grundlage für die Projektierung und den Bau des Du Toitskloof Tunnels in Südafrika = Execution of a pilot tunnel and rock mechanics investigations as a base for design and construction of the Toitskloof Tunnel in South Africa = Exécution d'une galerie de sondage et mesure des caractéristiques méchaniques des roches comme bases de la conception et de la construction du tunnel du Toitskloof, Afrique du Sud / P. C. Bebi, K. R. Mettier. - Classement statistique de mesures sismiques et conception de barrages = Statistical classification of seismic measures and dam design = Statistische Klassifizierung des seismischen Mass und Konzeption eines Staudammes / Y. Bertrand, J. Lakshmanan, J. Rouge. - The geomechanics classification in rock engineering applications = Classification géoméchanique et son application pour l'ingénieur des roches = Geomechanische Gebirgsklassifizierung und ihre Anwendung im Felsbau / Z. T. Bieniawski. - Comparison of calculated, measured and observed stresses at the Ortfjell Open Pit (Norway) = Une comparaison sur des constraintes calculées, mesurées et observées dans l'Ortfjell fosse (Norvège) = Vergleich zwischen berechneten, gemessenen und observierten Spannungen im Ortfjell Tagebau (Norwegen) / E. Broch, B. Nilsen. - Discontinuity measurement using the borehole impression probe - a case study = Mesure des discontinuités par l'emploi du "Borehole Impression Probe" = Unregelmässigkeitsmessungen unter Verwendung der Bohrloch-Eindrucksonde - eine Fallstudie / E. T. Brown, T. R. Harper, D. V. Hinds. - Strain softening marly rock = Roche marneuse à rupture progressive = Mergelstein mit progressivem Bruch / S. Cavounidis, E. Sotiropoulos. - A modified form of aquifer depletion/recovery test for assessing potential water makes into deep excavations = Modification de l'essai Lefranc pour estimer les venues d'eau dans les fouilles profondes exécutées dans l'aquifère = Abwandlung des Pump-Versuchs zur Ermittlung möglicher Wassereinbrüche in tiefen Baugruben / A. Chalmers, G. P. Daw, R. A. Scott. - Dilatometer tests in the study of the deformability of rock masses = Les essais au dilatomètre dans l'étude de la déformabilité des massifs rocheux = Dilatometerversuche zur Bestimmung der Gebirgsverformbarkeit / J. G. Charrua-Graça. - Auscultation fine d'un glissement de terrain a l'aide d'instruments nouveaux = Precise monitoring of a landslide by means of new devices = Feinbeobachtungen an einer Rutschung mittels neuartiger Instrumente / P. J. Debreuille, J. B. Francq, P. Londe. - Etude sur les caracteristiques de la roche pour un barrage d'enrochement = Study of rock characteristic for a rockfill dam = Untersuchungen der Eigenschaften des Gesteins für einen Staudamm / R. Del Hoyo Fernandez-Gago. - L'identification des roches par l'indice de continuite = Rock identification by means of continuity index = Gesteinsidentifizierung mittels Kontinuitätsindex / A. Denis, M. Panet, C. Tourenq. - Fracture growth around openings in rock models and their effect on the design of stable openings = Observation sur modèle de la propagation de la fracturation autour des cavités en rocher: impact sur les projets réels = Risswachstum rumd um Felshohlräume im Modell und ihre Auswirkungen auf den Entwurf standsicherer Hohlräume / B. B. Dhar, B. S. Verma, S. Ratan. - Site investigations and FEM calculations for two underground caverns in Peru = Reconnaissance du site et calcul par éléments finis de deuy excavations souterraines au Pérou = Felduntersuchungen und Finite-Elemente-Rechnungen für zwei Kavernen in Peru / M. Dolezalová, K. Drozd. - Analysis of a solid inclusion in situ stress measuring device = Analyse d'un capteur de contraintes in-situ peu déformable = Analyse eines verformungsarmen in-situ-Spannungsmessgebers / M. E. Duncan Fama. - Tunnels ancres a faible profundeur etude comparative sur modeles physique et mathematique = Anchored tunnels with small overburden: comparative study on physical and mathematical models = Verankerte seichtliegende Tunnel: vergleichende Untersuchungen mittels physikalischer und mathematischer Modelle / P. Egger, C. Gindroz. - Allgemeine geotechnische Gesichtspunkte und Grenzgleichgewichtsbetrachtungen als erste Orientierung bei der Planung von Talsperren = General geotechnical considerations and limit equilibrium analysis in the planning of dam foundations = Considérations générale de la géotechnique et l'analyse d'équilibre limite dans l'évaluation de suite au sujet de la construction des barrages / E. Fecker, L. Müller, G. Reik. - Investigations of stress-strain state of structurally disturbed rock massif near underground workings = Etude de l'état de tension et de déformation du massif fragmenté des roches au voisinage des galeries minières = Untersuchung des Spannungs- und Deformationszustandes des strukturgestörten Gesteinmassives in der Nähe von Untertagebaustellen / N. A. Filatov, V. D. Belykov. - Investigations into the mechanism of the failure of concrete dams rock foundations and their stability analysis = Etudes du méchanisme de rupture des fondations rocheuses des barrages en béton et calculs de leur stabilité = Bruchmechanismusuntersuchung von Felsuntergrund der Betonstaumauern und Berechnung deren Standsicherheit / Y. A. Fishman. - Preferred orientation of underground caverns in complicated tectonic zone = Orientation optimale des cavernes souterraines dans une région à tectonique complexe = Bevorzugte Orientierung von Kavernenbauten in einem Gebiet mit komplizierter Tektonik / A. Flexer, I. Larsson, M. Braun, B. Russell, L. C. Greenwood. - Investigations of seepage flow in block media as applied to designing structures on rock = Etudes de l'écoulement de filtration dans un massif fracturé, appliquées au projet d'ouvrages dans le rocher = Untersuchung der Sickerströmung im Felskörper mit Blockgefüge in Anwendung an die Projektierung der Bauwerke im Felsgestein / E. G. Gaziev, T. N. Borovykh, V. I. Rechitski. - Measurement of rock deformation in the abutments of an arch dam = Mesure des déformations d'un massif rocheux formant l'appui d'un barage voûte = Messung der Gebirgsverformungen in den Auflagern einer Bogenmauer / S. Giudici. - Die Fundierung einer exponierten Bogenbrücke = The foundations of an arch bridge in particularly difficult conditions = Les fondations d'un pont arc dans des conditions particulièrement difficiles / J. Golser, H. Brandecker, K. Mussger. - Construction behaviour of a shallow tunnel in highly stressed sedimentary rock = Comportement d'un massif
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  • 77
    Call number: M 17.90769
    Type of Medium: Monograph available for loan
    Pages: vii, 437 Seiten , Illustrationen, graphische Darstellungen, Karten
    Series Statement: Maurice Ewing series 3
    Language: English
    Note: [Teil 1]Ocean crust.. , [Teil 2]Continental margins and paleoenvironment..
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  • 78
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeorolog. Izd.
    Call number: MOP 33767
    Type of Medium: Monograph available for loan
    Pages: 663 S.
    Language: Russian
    Note: In kyrill. Schr., russ.
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  • 79
    Monograph available for loan
    Monograph available for loan
    Stroudsburg : Dowden, Hutchinson & Ross
    Associated volumes
    Call number: G 8115
    In: Benchmark papers in geology
    Type of Medium: Monograph available for loan
    Pages: XV, 468 Seiten , Illustrationen
    ISBN: 0-471-13540-2
    Series Statement: Benchmark papers in geology 15
    Language: English
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  • 80
    Call number: MOP 41371 / Mitte
    In: WMO / World Meteorological Organization
    Type of Medium: Series available for loan
    Pages: X, 145 Seiten , Illustrationen
    Language: English
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  • 81
    Monograph available for loan
    Monograph available for loan
    Washington D.C. : Government Printing Office
    Call number: MOP Sü 2659
    Type of Medium: Monograph available for loan
    Pages: Seiten 173-208 , 19 Abbildungen
    Series Statement: The Smithonian Report for 1942 Publication 3711
    Language: English
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  • 82
    Call number: AWI G9-19-92194
    Type of Medium: Monograph available for loan
    Pages: 172 Seiten , Porträt
    Language: English
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  • 83
    Call number: MOP 40553 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 176 Seiten
    Language: English
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  • 84
    Call number: MOP 40847 / Mitte
    Type of Medium: Monograph available for loan
    Pages: x, 424 Seiten
    Language: English
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  • 85
    Monograph available for loan
    Monograph available for loan
    Moskva : Izdatel'stvo "Nedra"
    Call number: MOP 40497 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 286 Seiten
    Language: Russian
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  • 86
    Call number: ZSP-201-76/31
    In: CRREL Report, 76-31
    Description / Table of Contents: Sections in the Connecticut River where ice jam potential is high were identified through the use of low-altitude black and white photographs taken during low-flow, ice-free conditions. The hydraulics and mechanics of ice jam initiation were investigated in the river reach where these sections were identified. Certain areas were found in the river that had a high susceptibility to ice clogging, but this high potential decreased with increasing discharge because of the improved surface conveyance of the ice through the reach. The stability of ice floes was established along the channel, but the floes generally became unstable as the flow increased. This was calculated by using a Froude number criterion. Grounding locations for ice became evident when the critical Froude number was zero for a given thickness and water depth. No single factor was determined to be responsible for initiating the ice jams in the Connecticut River at Windsor. Apparently there existed a multitude of interacting conditions: surface constrictions, possible high backwater conditions from the Brattleboro Dam, a solid ice cover in the backwater of the Brattleboro Dam that prevented ice transport from the Windsor area, deep pools followed by shallow depth sections upstream of bridge piers, a greater ice thickness accumulation of fragmented floes than would result if a uniform cover could be established in the same reach, and the diurnal fluctuation of river stage casued by the release of water at Wilder Dam.
    Type of Medium: Series available for loan
    Pages: vi, 39 Seiten , Illustrationen
    Series Statement: CRREL Report 76-31
    Language: English
    Note: CONTENTS Abstract Preface Summary Conversion factors: U.S. customary to metric units of measurement Introduction Testsite Aerial photography Channel morphology — Interpretation of aerial photographs Ground surveys Hydraulic analysis Analysis of ice jam locations Winter field observations Conclusions Literature cited Appendix: Locations and plots of cross sections from Sumner Falls to Chase Island, Connecticut River
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  • 87
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/41
    In: CRREL Report, 76-41
    Description / Table of Contents: Eight Geoceiver stations were established and suitably marked along or near the crestiline of the Greenland ice sheet during GISP field operations from 1971 to 1975. At one of these stations, DYE-3, repeated Geoceiver positions indicate an ice velocity of 12.7 m.yr on an azimuth of approximately 60 degrees. Data from the International Greenland Glaciological Expedition (EGIG) surveys show that ice flow in the vicinity of Crete is radiating outward from a dome to the south. Two independent calculations of the state of equilibrium at Crete indicate ice sheet thinning rates of 0.25 to 0.37 m/yr, while direct measurement of elevation change by EGIG indicates an ice sheet thickening rate of difference of 0.06 m/yr. Resolution of these differences must await further geophysical work and deep drilling in the ice sheet.
    Type of Medium: Series available for loan
    Pages: iii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 76-41
    Language: English
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  • 88
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-76/43
    In: CRREL Report, 76-43
    Description / Table of Contents: Ice fog generated at the Eielson AFB power plant cooling pond contributes heavily to the total ice fog problem on the base. Several methods for ice fog suppression were studied and two techniques were tested experimentally. Experiments were also conducted to determine the magnitude of the various modes of heat transfer within the pond's microclimate. Values of evaporative and radiative heat loss during ice fog are presented. Ice cover is shown to be an effective ice fog suppression technique. Monomolecular films are also shown to be effective and offer some unique advantages, such as ease of application and low overall cost. The heat normally lost to evaporation must be dissipated by other means during suppression. With the ice cover technique this is accomplished by melting the ice cover. During suppression with monomolecular films, the heat must be dissipated by increasing radiative and convective losses. The simplicity of application of monomolecular films, along with their lower cost, combine to make this technique attractive; however, the lower pond temperatures and increased suppression effectiveness weigh heavily in favor of the ice-cover technique.
    Type of Medium: Series available for loan
    Pages: viii, 86 Seiten , Illustrationen
    Series Statement: CRREL Report 76-43
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Conversion factors: U.S. customary to metric units of measurement Introduction Section I. Ice fog Section II. Evaporation Bowen's equation Evaporation equation Evaporation measurements during ice fog conditions Evaporation measurements at Eielson Power Plant cooling pond Data analysis Section Ill. Radiation during ice fog Brunt's equation Ångström equation Elsasser's equation Cloud cover Reflection Field experimental results Analysis of experimental results Radiation equations for ice fog Transmissivity of ice fog Radiation model Wind effect Summary Section IV. Convection Convective heat transfer theory Rotem and Claassen equation Kay's approach Russian approach Analysis Heat budget at the surface Conclusions Section V. Ice fog suppression techniques Fans Injection wells Latent heat storage Monomolecular films Use of heated water from the cooling pond Section VI. Latent heat storage experiments Freezing rates Cooling pond Ice building Ice growth rate -maximum system limitation Evaporation heat loss -maximum Realistic growth rate Ice building techniques Ice volume measurements Melting experiments Ice fog suppression considerations Experimental results Section VII. Recommendations and conclusions Hexadecanol studies Injection well suppression Latent heat storage suppression Comparison of approaches Measurements of evaporation Measurements of radiation loss Convective heat losses Ice fog suppression Selected bibliography Appendix A. Convective heat transfer coefficient from water to ice and from ice to air
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  • 89
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/3
    In: CRREL Report, 77-3
    Description / Table of Contents: Tests were conducted in uniaxial compression and tension to determine the effect of temperature on the strength of frozen Fairbanks silt. Test temperatures ranged from 0 C to -56.7 C. Two machine speeds, 4.23 cm/sec and 0.0423 cm/sec, were used for the constant displacement rate tests. From the highest to the lowest temperature, the compressive strength increased up to about one order of magnitude and the tensile strength increased one-half an order of magnitude. Equations are presented which correlate strength with temperature at the strain rates obtained. The initial tangent and 50% strength moduli and the specific energy are given for each test. The mode of fracture and the effects of unfrozen water content and ice matrix strengthening are discussed, and the test results are compared with the data of other investigations.
    Type of Medium: Series available for loan
    Pages: iv, 27 Seiten , Illustrationen
    Series Statement: CRREL Report 77-3
    Language: English
    Note: CONTENTS Abstract Preface Introduction Sample preparation Apparatus and testing procedure Test results Discussion Compressive strength Tensile strength Initial tangent and 50% stress moduli Specific energy Mode of failure Strength as a function of unfrozen water Thermal activation Conclusions and recommendations Literature cited
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  • 90
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-77/6
    In: CRREL Report, 77-6
    Description / Table of Contents: It has been reported that small arms projectiles are inherently unstable in snow and that snow has an unexpectedly high ability to stop them and other fast-moving projectiles. Field tests showed that the typical subarctic snow of interior Alaska can be used effectively to provide protection from both rifle and machine gun fire. The undisturbed snow had an average density of 0.18 g/cu. cm., but simple processing, such as shoveling, increased the density to around 0.34 g/cu. cm. Further processing increased the density to above o.40 g/cm3 but densities much above that value were difficult to obtain with simple hand equipment. Tests of the M16 rifle and M60 and M2HB machine guns showed that bullet penetration was inversely related to density - the higher the density the lower the bullet penetration. Design values for the three weapons were determined. A number of types of snow trenches and structures were designed and tested. They were found to provide good protection, in part since bullets showed a strong tendency to ricochet from the snow surface when striking it at a low angle. Burlap bags were filled with snow to revet structures and worked very well. Several types of Russian defensive works of snow were tested but proved unsuitable in the light, weak subarctic snow. The times required for troops to build several types of structures using only shovels and scoops were recorded.
    Type of Medium: Series available for loan
    Pages: vi, 23 Seiten , Illustrationen
    Series Statement: CRREL Report 77-6
    Language: English
    Note: CONTENTS Abstract Preface Summary Background Objectives Subarctic snow General Snow processing Construction productivity Shovel capacity Snow piles Bullet behavior and penetration in snow Test procedure M16 M60 ball M60 tracers .50 caliber Tumbling Bullet deformation and breakage Design penetration values Defensive works of snow Revetments Snow bags The snow trench The hardened snow trench Breastworks and bunkers Evaluation of foreign technology Russian expedient snow trenches Snow blocks and block structures The snow arch An expedient shelter Conclusions Recommendations Literature cited
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  • 91
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : McGraw-Hill Book Company
    Call number: MOP 44210 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XV, 523 Seiten , graphische Darstellungen
    ISBN: 978-0-070-56042-0
    Language: English
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  • 92
    Call number: ZSP-SCAR-570-1
    In: Report to SCAR on Antarctic research activities of Germany (FRG), 1
    Type of Medium: Series available for loan
    Pages: 21 Seiten
    ISSN: 0179-0072
    Series Statement: Report to SCAR on Antarctic research activities of Germany (FRG) 1
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research of the Federal Republic of Germany. - Introduction. - Station. - Field Activities 1974-1979. - Planned Activities 1979/80. - References.
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  • 93
    Call number: AWI G7-19-92221
    Type of Medium: Series available for loan
    Pages: Seiten 437 - 505 , Illustrationen
    Series Statement: Philosophical transactions of the Royal Society : Series A, Mathematical and physical sciences 265.1969,1166
    Language: English
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  • 94
    Call number: AWI G1-19-92268
    In: University of California publications in geological sciences, Volume 85
    Type of Medium: Monograph available for loan
    Pages: V, 101 Seiten , Illustrationen
    Series Statement: University of California publications in geological sciences 85
    Language: English
    Note: Contents: Abstract. - Introduction and Acknowledgements. - Metamorphic basement. - Plutonic rocks. - Review of plutonism in Central America, excluding Honduras. - Plutonic rocks of Honduras. - Mesozoic and eocene rocks. - General statement. - Vallę de Angeles group. - Esquias formation. - Matagalpa Formation. - Subinal redbeds. - Ignimbrites. - The pre-ignimbrite surface. - Thickness of the ignimbrites. - Lithology and mineral composition. - Associated lavas. - Ignimbrite vents. - Fluviatile and lacustrine beds associated with ignimbrites. - Age and correlation. - Chemical composition - major elements. - Origin of ignimbrite magmas. - Dikes. - Borderlands of the Gulf of Fonseca. - The Gracias Formation. - Quaternary Volcanism. - General statement. - Description of individual volcanic fields. - Gulf of Fonseea. - Volcanoes of the central highlands. - The Lake Yojoa volcanic field. - Lavas in the Sula graben. - Utila Island. - Geologic structure of Honduras. - Appendix: Microscopic Petrography. - A. Plutonic rocks. - B. Andesites and basalts of the Matagalpa Formation. - C. Lavas of the Gulf of Fonseca sequence. - D. Dike rocks. - E. Ignimbrites. - F. Quaternary lavas. - Literature cited.
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  • 95
    Call number: MOP Per 800(422)
    In: World Meteorological Organization
    Type of Medium: Series available for loan
    Pages: VI, 172 Seiten
    Series Statement: WMO / World Meteorological Organization 422
    Language: English
    Location: MOP - must be ordered
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  • 96
    Call number: MOP 45353 / MItte
    In: Developments in atmospheric science, 9
    Type of Medium: Monograph available for loan
    Pages: 327 Seiten , Illustrationen
    ISBN: 0444417486
    Series Statement: Developments in atmospheric science 9
    Language: English
    Note: CONTENTS Preface CONFERENCE SUMMARY / A. L. Fymat TEMPERATURE SOUNDING INVERSION METHODS AND THE OBSOLESCENCE OF DIFFERENTIAL EQUATIONS FOR SPECIFYING PHYSICAL OBSERVABLES / J. I. F. King SOME EXPERIMENTS ON THE EFFECT OF REMOTE SOUNDING TEMPERATURES UPON WEATHER FORECASTING / M. Halem, M. Ghil and R. Atlas NONLINEAR INVERSION: THEORY AND PRAXIS / J. I. F. King A NEW TREATMENT OF THE BOUNDARY TERM IN THE INVERSION OF THE RADIATIVE TRANSFER EQUATION / H. E. Fleming and D. S. Crosby EVALUATION OF ERRORS IN DERIVED CLEAR COLUMN RADIANCES / L. McMillin RECURSIVE FILTERING OF RADIANCE DATA FROM NIMBUS-E SATELLITE / I. A. Ismail DEPENDENCE OF THE TEMPERATURE DEVIATION OF THE OCEAN SURFACE AS MEASURED BY SATELLITE ON THE SIZE DISTRIBUTION OF AEROSOLS / T. Takashima THE DETERMINATION OF ATMOSPHERIC TEMPERATURE PROFILES FROM INFRARED INTERFEROMETER MEASUREMENTS ON BOARD OF METEOR-25 / V. A. Golovko and D. Spänkuch COMPOSITION SOUNDING GLOBAL TOTAL OZONE DETERMINATION FROM NIMBUS 4 BUV SPACECRAFT DATA / A. J. Fleig, R. S. Fraser, B. W. Guenther, D. F. Heath, E. Hilsenrath, L. V. Novak, V. G. Kaveeshwar, R. D. McPeters, C. L. Mateer and A. G. Miller INFORMATION CONTENT AND RESULTS OF NON-LINEAR INVERSION OF NIMBUS 6 LIMB RADIANCE INVERSION RADIOMETER DATA / J. C. Gille and P. L. Bailey AN APPROXIMATE METHOD FOR NONLINEAR INVERSION OF LIMB RADIANCE OBSERVATIONS / P. L. Bailey and J. C. Gille A NONLINEAR TECHNIQUE FOR INVERTING LIMB ABSORPTION PROFILES / J. D. Mill and S. R. Drayson SENSITIVITY OF THE INVERSION OF LIMB RADIANCE MEASUREMENTS IN THE 6.3μm WATER VAPOR BAND / H. Fischer AN ANALYSIS OF NIMBUS-V THIR 6-7 μm OBSERVATIONS OVER THE MEDITERRANEAN SEA / M. Roulleau MICROWAVE GROUND-BASED DETERMINATION OF ATMOSPHERIC TOTAL WATER CONTENT / G. G. Shchukin and L. P. Bobylev A SOLAR HETERODYNE RADIOMETER FOR THE DETERMINATION OF THE ALTITUDINAL PROFILES OF ATMOSPHERIC GASES / V. I. Astakhov, N. V. Vanin, V. V. Galaktionov, V. M. Dorokhov, V. M. Zakharovand V. U. Khattatov PASSIVE REMOTE SENSING IN THE PRESENCE OF MULTIPLE SCATTERING: A NUMERICAL INVERSION METHOD / B. R. Barkstrom PARTICULATE SOUNDING RECONSTRUCTING THE SIZE DISTRIBUTION OF SPHERICAL PARTICLES FROM ANGULAR FORWARD SCATTERING DATA / A. L. Fymat and K. D. Mease COMPLEX REFRACTIVE INDEX OF ATMOSPHERIC AEROSOLS: A SIZE DISTRIBUTION INDEPENDENT RETRIEVAL APPROACH USING MULTISPECTRAL TRANSMISSION RATIOS / A. L. Fymat and K. D. Mease THE METHOD OF MULTIFREQUENCY LASER SOUNDING OF ATMOSPHERIC AEROSOL MICROSTRUCTURE / V. E. Zuev and I. E. Naats LASER SOUNDING OF THE ATMOSPHERE USING AEROSOL SCATTERING / V. E. Zuev STRATOSPHERIC AEROSOL LAYERS MONITORED BY LIDAR / R. Reiter, H. Jaeger, W. Carnuth and M. Littfass LIDAR DETECTION OF ATMOSPHERIC CONTAMINANTS BY RAMAN SCATTERING AND FLUORESCENCE SPECTRA / V. M. Zakharov and V. A. Torgovichev REMOTE SENSING OF CLOUD PROPERTIES FROM NIMBUS 5 / D. J. McCleese THE ATMOSPHERIC BLURRING EFFECT OF REMOTELY SENSED EARTH IMAGERY / S. Ueno, Y. Haba, Y. Kawata, T. Kusaka and Y. Terashita Author Index Subject Index
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  • 97
    Call number: ZSP-201-76/33
    In: CRREL Report, 76-33
    In: Detecting structural heat losses with mobile infrared thermography / R.H. Munis, S.J. Marshall and M.A. Bush, Part IV
    Description / Table of Contents: During the winter of 1973-74 a mobile infrared thermography system was used to survey campus buildings at Dartmouth College, Hanover, New Hampshire. Both qualitative and quantitative data are presented regarding heat flow through a small area of a wall of one brick dormitory building before and after installation of aluminum reflectors between radiators and the wall. These data were used to estimate annual cost savings for 22 buildings of similar construction having aluminum reflectors installed behind 1100 radiators. The data were then compared with the actual savings which were calculated from condensate meter data. The discrepancy between estimated and actual annual cost savings is explained in detail along with all assumptions required for these calculations.
    Type of Medium: Series available for loan
    Pages: iii, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 76-33
    Language: English
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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-201-79/29
    In: CRREL Report, 79-29
    Description / Table of Contents: An analytical study of the propagation of shock waves in snow was carried out to evaluate the response of medium density snow to high rates of loading. One solution was developed for steady shock waves; this resulted in calculation of pressure jump, density jump and stress wave speed. Correlation with available experimental data was found to be good. Nonsteady shock waves were also considered in order to evaluate wave attenuation rates in snow. Very few data were available to compare with the analytical results, so no definite conclusions on the part of the study could be made. The results show, however, that shock waves that produce plastic deformation attenuate at extremely high rates and that differences in pressure between two waves are quickly eliminated within a short distance. Calculations were also made to evaluate the effect of wave frequency on attenuation rates. The results show that, for plastic waves, frequency is not a predominant factor for determining attenuation rates.
    Type of Medium: Series available for loan
    Pages: v, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 79-29
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature I. Introduction II. A constitutive law for snow and balance principles III. Compatibility laws and jump equations for stress waves IV. Steady shock waves in snow V. Comparison of steady-wave theory with experimental results VI. A numerical solution to the nonsteady wave problem VII. Jump equations for nonsteady shock waves VIII. Reduced jump equations Discussion and conclusions Literature cited
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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-201-79/28
    In: CRREL Report, 79-28
    Description / Table of Contents: Transmission and scanning electron micrographs of Umiat bentonite revealed thin, mica-like grains with irregular shapes. Most of the bentonite showed electron diffraction ring patterns, but some showed hexagonal net patterns as well as ring patterns. The lengths of the unit cells were calculated to be 5.18 A along the a-axis and 8.97 A along the b-axis. Semiquantitative analyses were made using an energy dispersive spectrometer. Common elements such as Si, Ti, Al, Fe, Mg, Na and K were determined. The molecular ratio of SiO2:Al2O3 was calculated to be 492:100 for the bulk sample, indicating that Umiat bentonite is similar in most respects to Wyoming bentonite, and is classified as a mont-morillonite. The microstructure of frozen Umiat bentonite was observed at a specimen temperature of -100 C using a scanning electron microscope equipped with a cold stage. Frozen bentonite and segregated ice patterns formed from wet bentonite were examined using an X-ray map and Si X-ray line scan. Sublimation processes of ice in the frozen bentonite were observed at specimen temperatures of -60 and -80 C. After sublimation of the ice the bentonite displayed a honeycomb structure. It was concluded that the freezing-sublimation cycle in frozen soil increases the permeability of water vapor due to the three-dimensional structure of the coagulated clay formed by freezing.
    Type of Medium: Series available for loan
    Pages: iii, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 79-28
    Language: English
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  • 100
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-79/25
    In: CRREL Report, 79-25
    In: Charged dislocation in ice, I.
    Description / Table of Contents: The motion of dislocations in single crystal ice under an electric field was observed by using X-ray topographic methods. Electric charge density on these dislocations was deduced from the amplitude and length of the dislocation segment under the known AC electrical field. The most likely linear charge density was about +5x10^-11 c/m, although considerable variation is possible depending on the effective field acting on the dislocation lines.
    Type of Medium: Series available for loan
    Pages: iii, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 79-25
    Language: English
    Note: CONTENTS Abstract Preface Introduction Theory Experimental apparatus and procedure Results Discussion Concluding remarks Selected bibliography Appendix A. Mosotti type field on core of cylindrical cavity
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