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  • 1975-1979  (6)
  • 1970-1974
  • 1978  (6)
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  • 1975-1979  (6)
  • 1970-1974
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Microbiological oxidation of the pentyl side chain of cannabinoids (1978)
    Springer
    Cellular and molecular life sciences 34 (1978), S. 1020-1022 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Syncephalastrum racemosum ATCC 18192 andMycobacterium rhodochrous ATCC 19067 partially degrade the n-pentyl side chain of cannabidiol, cannabinol, Δ8-tetrahydrocannabinol and Δ9-tetrahydrocannabinol. Carboxylic acid and alcohol side chain derivatives are major metabolites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01915321
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A convenient thin layer chromatographic method for the detection of cyclochlorotine and simatoxin, toxins fromPenicillium islandicum Sopp (1978)
    Springer
    Cellular and molecular life sciences 34 (1978), S. 819-820 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A rapid, convenient TLC method is described for detection of cyclochlorotine, a carcinogen produced by the commonly found storage moldPenicillium islandicum Sopp. This method has also led to the isolation of a new toxic metabolite, simatoxin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01947348
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Superconductivity in irradiated A-15 compounds at low fluences II. Alpha-particle-irradiated Nb3Sn and Nb3Ge (1978)
    Springer
    Journal of low temperature physics 30 (1978), S. 513-519 
    Details
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: The T c behavior of vapor-deposited Nb3Ge and Nb3Sn is examined as a function of low-fluence alpha-particle irradiation. It is found that for Nb3Sn with ϱ ∼ 15 ΜΩ-cm the T c is insensitive to low doses of radiation, whereas Nb3Ge with ϱ0 ∼ 50 ΜΩ-cm has its T c depressed immediately with irradiation. It is suggested that the T c behavior of A-15 superconductors in the regime of small dose is strongly influenced by the initial state of the sample. Furthermore, it is argued that the behavior of the T c with dose can be qualitatively explained by considering a sharp structure in the density of states N(E), the smearing of which by defects leads to a depression in T c .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00114965
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Pulsatile flow of an elastico-viscous liquid in a channel of elliptic cross-section (1978)
    Springer
    Rheologica acta 17 (1978), S. 227-230 
    Details
    ISSN: 1435-1528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Zusammenfassung In dieser Mitteilung wird die pulsierende Strömung einer viskoelastischen Flüssigkeit durch ein elliptisches Rohr betrachtet. Das Problem wird als Anfangs- und Randwertproblem mit Hilfe der Laplace-Transformation gelöst. Explizite Ausdrücke der Geschwindigkeitsverteilung werden für die beiden Grenzfälle kurzer und langer Zeiten angegeben. Die Wirkung der Elastizität auf die Strömung wird analysiert.
    Notes: Summary The pulsatile flow of an elastico-viscous liquid through an elliptic tube is considered in this note. The problem is solved as a boundary and initial value problem by using the Laplace Transform method. Explicit expressions for velocity distribution are obtained in the two limiting cases of small and large values of time. The effect of elasticity on the flow is discussed analytically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01535058
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Flows in a rotating elastico-viscous fluid induced by torsional oscillations of a plate acting for a finite time (1978)
    Springer
    Czechoslovak journal of physics 28 (1978), S. 728-739 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Unsteady flows in an electrically conducting rotating elastico-viscous liquid in the presence of a uniform magnetic field and induced by small amplitude torsional oscillations, acting for a finite time, of an infinite, rigid, non-conducting plate, are discussed. This analysis indicates the general features of the steady and unsteady velocity field, and the structure of the associated boundary layers on the plate including the effect of rotation, hydromagnetic and elastic parameters involved in the problem. The velocity field related to small elastic parameter is calculated with physical significance. It is further shown that the Ekman suction velocity, which is responsible for the generation of an axial inflow toward the bounadry layer, does not appear unless the plate is subject to oscillations for an indefinite period. Several limiting results are found to follow as special cases of this analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01595995
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of oxygen on the radical polymerization of acrylamide in ethanol and water (1978)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 16 (1978), S. 981-995 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The polymerization of acrylamide has been studied in ethanol at 80°C with 2,2′-azobisisobutyronitrile (AIBN) as the initiator, and also in water at 60°C with 4,4′-azobis-4-cyanopentanoic acid (ACV) as the initiator. For the first system, it was found, approximately, that the well defined in duction period showed an inverse dependence on both the initial monomer and initiator concentrations, but was directly proportional to the square root of the initial oxygen concentration. For the second system, the rate of oxygen uptake was approximately directly proportional to the monomer and initiator concentration but independent of the oxygen concentration. The results obtained for these two systems are compared.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1978.170160510
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    Paper (German National Licenses)
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