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  • 1975-1979  (65)
  • 1
    Series available for loan
    Series available for loan
    A system that measures blowing snow (1977)
    Fort Collins : Rocky Mountains Forest and Range Experiment Station
    Details Availability
    Call number: MOP 44788 / Mitte
    Description / Table of Contents: A snow particle counter based on a prototype design that originated at the University of Washington, was developed and tested for research in the fundamentals of snow transport by wind. Further work created an electronic system that monitors visual range in blowing snow. The system has been applied to interstate highway traffic control. All design and test data are included in this paper, together with shop drawings for fabrication of the sensor, and an operating and service manual for the visual range monitor.
    Type of Medium: Series available for loan
    Pages: 80 Seiten
    Series Statement: USDA Forest Service Research Paper RM-194
    URL: https://archive.org/details/CAT92273412/page/n1
    Language: English
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    Pressure dependence of the thermolysis of tetramethyl-1,2-dioxetane: the volume of activation and its mechanistic implications (1976)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 98 (1976), S. 8181-8185 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00441a049
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The hysteretic RF SQUID as reactance and the possibility of a phase-sensitive detection on the RF SQUID (1978)
    Springer
    Applied physics 16 (1978), S. 59-65 
    Details
    ISSN: 1432-0630
    Keywords: 74 ; 06 ; 85.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract It is shown theoretically that a switch process in the hysteretic SQUID leads to a phase shift between the tank circuit voltage and the driving generator current. Considering only a pure switch model the influence of the parametric SQUID inductance will not be taken into account. In the hysteretic mode of the SQUID the tank circuit is not only damped, but also detuned. On the time average the rf SQUID appears as a reactance. Its amplitude and phase depend on the magnetic field applied to the SQUID. In order to simulate the possibility of phase-sensitive detection the spiral description developed by the authors will be brought up. The practical case of a 30-MHz SQUID was simulated on a digital computer wheraby the frequency was varied from the resonance to the − 3 dB bandlimits of the tank circuit. An experiment which detects simultaneously the amplitude of the tank circuit voltage as well as its phase as a function of the magnetic field in the SQUID is described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00931422
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  • 4
    Electronic Resource
    Electronic Resource
    Bioavailability studies with Digoxin-Sandoz® and Lanoxin® (1975)
    Springer
    European journal of clinical pharmacology 8 (1975), S. 371-376 
    Details
    ISSN: 1432-1041
    Keywords: Digoxin ; bioavailability ; plasma levels ; cumulative urinary excretion ; particle size ; man
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Various brands of digoxin tablets, and even different batches of one brand, may differ greatly in bioavailability. Digoxin-Sandoz® tablets have been compared with Lanoxin® manufactured between 1969 and 1972 and after May 1972. Comparisons were also made between and within batches of Digoxin-Sandoz tablets. Three separate cross-over studies were conducted involving a total of 20 volunteers. Digoxin-Sandoz tablets were shown to have a constant bioavailability and to produce plasma concentrations very similar to “new” Lanoxin. Storage for 2 years of one batch of Digoxin-Sandoz did not alter the bioavailability. Particle size was shown to influence bioavailability. Care should be exercised when plasma data alone are interpreted as an index of bioavailability. Measures of bioavailability based on plasma data obtained up to 6 h after administration differed from those based on cumulative urinary excretion data (in this study by a factor of about 2), which can lead to the belief that a difference in bioavailability is much greater than is actually the case. Data from cumulative urinary excretion, collected over a sufficiently long period of time, are likely to be the most reliable method for determining the bioavailability of a substance such as digoxin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00562665
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  • 5
    Electronic Resource
    Electronic Resource
    HEAT-INDUCED GELATION OF PEANUT PROTEIN/WHEY PROTEIN BLENDS (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 43 (1978), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Whey protein concentrate dispersions formulated at 7.5% or more of protein formed strong gels when heated at temperatures above 80°C. Quantitative gel strength calculated from penetration force data generally increased with heating temperature to 110°C. Increasing pH from 7.0 to 9.0 generally decreased the gel strength of whey protein concentrate. At a total protein concentration of 10%, gel strength was lower when peanut flour protein was 25% or more of a mixture with whey protein. Only weak gels were formed with heating protein blends formulated with peanut protein at greater than 50% of total protein. Sodium chloride (up to 0.5M) and calcium chloride (up to 30 mM) increased gel strength of whey protein and blended systems, but decreased gel strength of dispersions containing only peanut flour. Calcium chloride at 30 mM destroyed gelation ability of peanut flour causing protein precipitation. Gel strength of whey protein increased with moderate cysteine addition and was maximum at a level of 25 mM cysteine. Addition of 100 mM cysteine dramatically reduced whey protein gel strength. Cysteine addition decreased gel strength of peanut flour dispersions and had a varied effect on blended protein systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1978.tb02366.x
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  • 6
    Electronic Resource
    Electronic Resource
    Coal: Energy Keystone (1976)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Environment and Resources 1 (1976), S. 37-63 
    Details
    ISSN: 0362-1626
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.eg.01.110176.000345
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  • 7
    Electronic Resource
    Electronic Resource
    TEXTURE AND LIPID PHASE MORPHOLOGY OF SOME PROCESSED MEATS (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The morphology of the lipid phase and resistance to penetration of different brands of commercial wieners, ring bologna and braunschweiger were studied. Even though consistent results were not obtained from all products, it was suggested that products with a smaller lipid globule size had a greater resistance to penetration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1979.tb03494.x
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  • 8
    Electronic Resource
    Electronic Resource
    The effect of light pretreatments on phytochrome-mediated induction of anthocyanin and of phenylalanine ammonia-lyase (1979)
    Springer
    Planta 146 (1979), S. 369-376 
    Details
    ISSN: 1432-2048
    Keywords: Anthocyanin ; Mode of action of phytochrome ; Phenylalanine ammonia-lyase ; Phytochrome ; Sinapis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Induction by light of phenylalanine ammonia-lyase (PAL; EC 4.3.1.5) and of anthocyanin in cotyledons of the mustard (Sinapis alba L.) seedling is strongly affected by a light pretreatment which operates through phytochrome. If PAL or anthocyanin is induced by a light pulse, the effectiveness of phytochrome (Pfr) is strongly increased by a light pretreatment; however, if the increase of the PAL level or synthesis of anthocyanin is elicited by continuous far-red light (operating via phytochrome in the ‘High Irradiance Response’), effectiveness of light is strongly reduced by the same light pretreatment. This reduction of effectiveness is correlated with a decrease of total phytochrome (Ptot) caused by the light pretreatment. It is argued that the observations are compatible only with the ‘open phytochrome-receptor model’ as suggested by Schäfer (J. Mathem. Biol. 2, 41–56, 1975). The peaks of the time courses of the PAL levels under continous far-red light are located at 48 h after sowing and do not depend on the original level of phytochrome. The decrease of the PAL levels beyond 48 h after sowing takes place independently of phytochrome and of the actual level of PAL.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00387810
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  • 9
    Electronic Resource
    Electronic Resource
    Two particle rapidity correlation in proton-emulsion nucleus interactions at 400 GeV (1979)
    Springer
    The European physical journal 2 (1979), S. 291-294 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a study of two-particle correlations in proton-emulsion nucleus reactions at 400 GeV. In particular the correlations at different nuclear excitations and different rapidity regions are treated. Positive correlations, depending on nuclear excitation, are observed in the rapidity region η〈1.5.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01545888
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  • 10
    Electronic Resource
    Electronic Resource
    Heat transport of helium II in restricted geometries (1979)
    Springer
    The European physical journal 36 (1979), S. 1-12 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The linear heat transport of helium II contained in porous powder samples with mean pore diameters of 1.25µm, 0.17µm and 0.02µm was systematically studied in the temperature range between 0.8 K and 2 K. The effective thermal conductivity was determined by steady-state heat flow measurements and the effective thermal diffusivity by transitory temperature measurements. The experimental results are interpreted by a simple theoretical model. In the framework of this model the linear heat transport consists of two contributions: the laminar flow of the normal fluid (T≳1.4 K) and a diffusion mechanism (T≲1.4 K). At low temperatures (T≲1.2 K) the mean free paths of the elementary excitations of helium II become greater than the pore diameters. In this range, the heat flow is limited by scattering of the elementary excitations with the walls of the pores and can be described by a kinetic model. Good agreement between theory and experiment is obtained in the total temperature range investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01333949
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