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  • 1
    Electronic Resource
    Electronic Resource
    Hypocalcemic myopathy in idiopathic hypoparathyroidism (1982)
    Springer
    European journal of pediatrics 138 (1982), S. 280-282 
    Details
    ISSN: 1432-1076
    Keywords: Hypocalcemia ; Myopathy ; Hypoparathyroidism ; Creatine kinase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A girl with untreated idiopathic hypoparathyroidism presented with muscle weakness, depressed tendonreflexes and elevated serum creatine kinase. No morphological alterations of skeletal muscle or inhibition of muscle phosphorylase could be demonstrated. It is suggested that the myopathic symptoms may be due to functional changes of the muscle membrane during hypocalcemia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00441220
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Das Absorptionsspektrum kleiner Silberteilchen bei tiefen Temperaturen (1970)
    Springer
    Naturwissenschaften 57 (1970), S. 541-541 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00625321
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Über die Temperaturabhängigkeit optischer Eigenschaften kleiner Silberteilchen (1973)
    Springer
    The European physical journal 265 (1973), S. 441-454 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The influence of low temperature on the spectral light absorption of small silver particles has been investigated in the spectral range between 3500 and 4500 Å. Measurements of the absorption coefficient were taken at 293, 77, and 4.2 K. For this purpose a method was developed to obtain silver particles (mean diameter between 20 and 300 Å) inside a matrix of polymethylmethacrylate. This highpolymer allowed measurements of optical transmission at low temperatures and the exact determination of form and size distribution of the inbedded particles by electron microscopy. Using the Kramers-Kronig-analysis modified by Kreibig the optical constants were obtained. The results show relatively good agreement with constants calculated for the Drude free electron gas taking into account temperature dependend electron collision frequency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01391801
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    IR Optical Properties of a Pyrotechnic Screening Smoke (1979)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 4 (1979), S. 95-97 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Optical properties of small droplets of aqueous solutions of zinc chloride were studied in the 3 μm to 12 μm spectral range. The droplets are generated by combustion of a pyrotechnic screening smoke composition containing hexachloroethane and zinc. Mass extinction coefficients were determined and interpreted by the theory of Mie.The optical constants of aqueous solutions of zinc chloride are markedly different from those expected for a screening smoke of low IR transparency.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19790040503
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    Paper (German National Licenses)
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