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  • 1990-1994  (1)
  • 1980-1984  (1)
  • 1965-1969  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physiology 56 (1994), S. 485-508 
    ISSN: 0066-4278
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Biology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 39 (1980), S. 163-172 
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Static and dynamic behavior of an-component classical model atd=4 has been investigated assuming a coupling to a fluctuating lattice displacement field. Solutions of renormalization-group (RG) equations are given for elastically isotropic and anisotropic systems, and the temperature dependences of elastic constants and of the corresponding damping coefficients are calculated. For isotropic and weakly anisotropic systems it is found that forn〈4 the critical regime can be split into a rigid regimet〉t s , and a compressible regimet〈t s , wheret=(T−T c )/T c andt s is a crossover temperature. In the rigid regime, the logarithmic correction factors characterizing deviations from Landau theory have the same form as in systems without elastic coupling; in the compressible regime the exponents are renormalized by the coupling. Forn≧4 rigid behavior prevails at all temperatures; similarly only rigid behavior is found for strongly anisotropic systems for alln. The thermodynamic stability of the system is investigated by evaluating the contribution of ring diagrams for the casen=1. It is thus shown that under constant hydrostatic pressure a first-order transition occurs in both isotropic and anisotropic systems, and the corresponding equations for the transition temperature and the value of the order parameter atT c are derived.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1750
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A resistance test for Isoxyl can be performed in Löwenstein-Jensen medium, as long as polyethyleneglycol (mol. wt. 200–400) ist used as the solvent as it allows the solution of 1 mg (1000mcg) Isoxyl per 1 ml Lö-J medium. The minimal inhibitory concentrations for human and bovine wild strains lie between 50 and 500 mcg/ml, and are dependent upon the inoculation dose and the incubation time. The determination of the susceptibility to Isoxyl must be done by the use of the ratio method, which differentiates between various degrees of growth. Independent of any Isoxyl treatment, when a resistance for Conteben is observed, there develops, almost always, an accompanying resistance for Isoxyl; in half the cases, a resistence for Ethionamide also occurs. However presence of a therapeutically acquired resistance for Isoxyl, no accompanying resistance for Conteben (Thioacetazone) and/or Ethionamide could be observed. Acquired resistance to Ethionamide during treatment, did not produce an accompanying resistance to Thioacetazone and Isoxyl.
    Notes: Zusammenfassung Eine Resistenzbestimmung für Isoxyl kann im Lö-J durchgeführt werden, sofern als Lösungsmittel Polyäthylenglykol (Molekulargewicht 200–400) verwendet wird, was die Lösung von 1 mg = 1000 mg Isoxyl in 1 ml Lö-J gestattet. Die Hemmgrenzen für humane und bovine Wildstämme liegen zwischen 50 und 500 mcg/ml, sie sind von der Beimpfungsdichte und der Zeit der Bebrütung abhängig. Die Beurteilung der Resistenz für Isoxyl muß mit Hilfe der „ratiomethode“ erfolgen, die unterschiedliche Wachstumsstärken berücksichtigt. Unabhängig von der Isoxylbehandlung treten bei Resistenz für Conteben fast immer eine Resistenz für Isoxyl und in der Hälfte der Fälle eine Resistenz für Ethionamid auf. Bei Vorliegen einer Behandlungsresistenz für Isoxyl konnte niemals eine Resistenz für Conteben beobachtet werden, infolge einer Behandlungsresistenz für Ethionamid niemals eine solche für Conteben. Ethionamid und Isoxyl sind nicht kreuzresistent.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 78 (1966), S. 780-780 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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