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  • 1
    Monograph available for loan
    Monograph available for loan
    Quantitative X-ray spectrometry (1995)
    New York [u.a.] : Dekker
    Details Availability
    Call number: M 00.0073
    Type of Medium: Monograph available for loan
    Pages: xi, 484 S.
    Edition: 2nd ed.
    ISBN: 0824795547
    Series Statement: Practical spectroscopy series 20
    Classification:
    Physics
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    Some potentials and limits of the leucocrit test as a fish health assessment method (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 23 (1983), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The sensitivity of the leucocrit as a stress tolerance and fish health assessment method was evaluated by subjecting juvenile coho salmon, Oncorhynchus kisutch, or steelhead trout, Salmo gairdneri, to standardized crowding, handling, temperature and disease challenges. The leucocrit was a sensitive indicator of the physiological stress resulting from crowding at population densities of 0·2–0·4 kg l−1, and to the stress of handling and to temperature changes. It was relatively insensitive to physiological sampling procedures which supports its continued development as a stress assessment method.In the case of fish diseases, subclinical or active Renibacterium salmoninarum and Yersinia ruckeri infections had essentially no effect on leucocrit values. In contrast, active Aeromonas salmonicida infections significantly depressed the leucocrit. However, no change was seen during the subclinical (incubation) phase prior to the development of an epizootic. Thus, the potential of the leucocrit as a fish health assessment method appears limited.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1983.tb02948.x
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  • 3
    Electronic Resource
    Electronic Resource
    Antigen-binding cells in the peripheral blood of sockeye salmon, Oncorhynchus nerka Walbaum, induced by immersion or intraperitoneal injectijon of Vibro anguillarum bacterin (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 19 (1981), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We used an immunocytoadherence assay to monitor the response of antigen-binding cells (ABC) in the peripheral blood of sockeye salmon, Oncorhynchus nerka, after immersion in, or intraperitoneal injection of, Vibrio anguillarum LS 1–74 bacterin. Both methods initiated an elevated ABC response in less than one day; this response persisted one week longer in the injected than in the immersed fish.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1981.tb05813.x
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  • 4
    Electronic Resource
    Electronic Resource
    Serological comparison of selected isolates of Aeromonas salmonicida ssp. salmonicida (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 6 (1983), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. Eight isolates of Acronionus salmonicida ssp. salmonicida were collected during furunculosis epizootics in North American Pacific coast states and provinces. Both virulent and avirulent forms of each isolate, confirmed by challenge and electron microscopy, were examined. Serological comparisons by cross-absorption agglutination tests revealed no serological differences between isolates. Using the double diffusion precipitin test, a single band was observed when antigen from a sonicated virulent strain was reacted with antiserum against a sonicated, virulent strain absorbed with homologous, avirulent strain. The presence of the single band was eliminated by excess sonication.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1983.tb00045.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effects of temperature on biochemical reactions and drug resistance of virulent and a virulent Aeromonas salmonicida (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 5 (1982), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. Incubation temperatures of 11°, 18° and 28° did not substantially affect biochemical reactions of either virulent or avirulent forms of Aeromonas salmonicida subspecies salmonicida. The only change observed, amygdalin fermentation, was positive at 11° and 18° but negative at 28°C. Several isolates utilized sucrose, a characteristic not normally recognized for A. salmonicida subspecies salmonicida. Antimicrobial susceptibility screening indicated resistance to novobiocin increased at the higher incubation temperatures. Standardized drug sensitivity testing procedures and precise zone diameter interpretive standards for bacterial fish pathogens are needed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1982.tb00488.x
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  • 6
    Electronic Resource
    Electronic Resource
    Plasma collection by an obstacle (1989)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 1 (1989), S. 68-71 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Plasma flow to an obstacle is examined using the two-fluid equations. In this model the obstacle is assumed to be a two-dimensional strip that extends to infinity in the y direction (slab geometry). An obstacle inserted into a magnetized plasma will cast a "shadow'' along the magnetic field lines. The natural collection length of such an obstacle is a measure of the length of its shadow. This study shows that in a typical fusion tokamak, where cs/Ωcid(very-much-less-than)1 (Ωci, cs are the ion cyclotron frequency and the ion acoustic speed, respectively, d is the half-width of the strip), the particle collection length of an obstacle can be approximated as L(parallel)=0.23csd2/ D⊥, if D⊥/ csd (very-much-less-than)1; or 0.30d, if D⊥/ csd (very-much-greater-than)1. For the cases examined in this study, the inclusion of the electron–ion collisional drag parallel to B0 changes the solution only by an insignificant amount.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.859106
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  • 7
    Electronic Resource
    Electronic Resource
    Temperature fluctuations and heat transport in the edge regions of a tokamak (1986)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 29 (1986), S. 309-317 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Electron temperature fluctuations have been investigated in the edge region of the Caltech research tokamak [S. J. Zweben and R. W. Gould, Nucl. Fusion 25, 171 (1985)], and an upper limit to this fluctuation level was found at T˜e/Te (approximately-less-than)15%. This measurement, together with previous measurements of density and electric and magnetic field fluctuations, allows a unique comparison of the heat transport resulting from three basic turbulent mechanisms: (1) heat flux from the particle flux resulting from microscopic density and electric field fluctuations; (2) thermal conduction resulting from microscopic temperature and electric field fluctuations; and (3) thermal conduction resulting from microscopic magnetic field fluctuations. The measurements indicate that, in the edge regions, the electron heat transport caused by the measured turbulence-induced particle flux is comparable to or greater than that caused by the thermal conduction associated with the electron temperature and electric field fluctuations, and is significantly greater than that resulting from the measured magnetic fluctuations. This electron heat loss caused by the plasma turbulence is found to be an important electron energy loss mechanism in the edge regions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.865942
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  • 8
    Electronic Resource
    Electronic Resource
    Observation of wave-packet propagation in the ion cyclotron range of frequencies in a tokamak plasma (1991)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 3 (1991), S. 406-413 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Experimental observation of wave-packet propagation in the ion cyclotron range of frequencies in a tokamak plasma is reported. Studies were carried out in the Caltech Research Tokamak [Phys. Fluids 23, 614 (1980)] in a pure hydrogen plasma and in a regime where fast-wave damping was sufficiently small to permit multiple toroidal transits of the wave packet. Waves were launched by exciting a small loop antenna with a short burst of radio-frequency current and were detected with shielded magnetic probes. Probe scans revealed a large increase in wave-packet amplitude at smaller minor radii, and the packet velocity was found to be independent of radial position. Measurement of the packet transit time yielded direct information about the wave group velocity. Packet velocity was investigated as a function of the fundamental excitation frequency, plasma density, and toroidal magnetic field. Results are compared with the predictions of a cold plasma model that includes a vacuum layer at the edge.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.859750
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  • 9
    Electronic Resource
    Electronic Resource
    A correlation of the short range order in Ni3Fe with certain physical properties of this alloy (1972)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 5 (1972), S. 125-127 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The changes in the short-range ordered structure of an alloy containing 74 at. % Ni, 26 at. % Fe have been determined for a series of anneals between 0 and 40 h at 480°C. Three-dimensional short-range-order parameters have been determined by diffuse X-ray scattering analysis from a single-crystal sample. The ordered arrangement has been shown to change from one dominated by nearest-neighbor interactions to one with longer range interactions in the period between 8 and 12 h at 480°C. For longer times of annealing, this gradually changes to a more cooperative interaction extending over longer distances and approaching the arrangement found in the fully ordered structure. The changes in the hardness, resistivity, and coercive force which occur at or near 12 h of annealing support the contention that a change in the type of atomic arrangement is taking place at this time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S002188987200891X
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  • 10
    Electronic Resource
    Electronic Resource
    Beam-plasma interactions (1968)
    Springer
    Czechoslovak journal of physics 18 (1968), S. 685-686 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01691036
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