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  • 2005-2009
  • 1975-1979  (4)
  • 1960-1964
  • 1976  (4)
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  • 2005-2009
  • 1975-1979  (4)
  • 1960-1964
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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 264 (1976), S. 186-188 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A first approach to the problem was made by comparing, in different conditions, ACh content with that of thiamine and thiamine phosphate esters of the electric organ (Table 1). Total thiamine content (thiamine plus esters) was found to range between 350 and 500 nmol g1 of wet weight, with a rather ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 50 (1976), S. 163-168 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: By direct pyrolysis of commercial polyethyleneterephthalate in the mass spectrometer a content of about 1% of the cyclic trimer ethyleneterephthalate is indicated at temperatures below thermal degradation of the polymer. The comparison with EI- and FD-mass spectra of the authentic cyclic trimer allows its identification without previous isolation.
    Notes: Beim direkten Abbau von kommerziellem Polyäthylenterephthalat im Massenspektrometer läßt sich bei Temperaturen unterhalb des einsetzenden thermischen Abbaus des Polymeren das zu etwa 1% enthaltene cyclische trimere Äthylenterephthalat ohne vorherige Isolierung nachweisen und durch Vergleich mit den EI- und FD-Massenspektren eines authentischen Trimeren identifizieren.
    Additional Material: 2 Ill.
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 52 (1976), S. 143-154 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: A computer method for slit-hight corrections is described, in which the experimental X-ray small angle scattering curve is represented by a cubic spline function. This method is applied on the theoretical scattering-curve of spherical particles with homogeneous electron-density and on scattering-curves of polyhexamethyleneadipate and an aliphatic polyesteramide. For the polyester and the polyesteramide long periods of 150 Å and 118 Å, respectively, were found. By means of this and other physical results considerations of the structure of these materials are given.
    Notes: Es wird ein Verfahren zur Entschmierung von experimentell ermittelten Röntgenkleinwinkel-Streukurven mittels einer elektronischen Rechenanlage beschrieben, bei welchem die Streukurve durch eine kubische Spline-Funktion dargestellt wird. Im einzelnen wird eine Anwendung auf die theoretische Streukurve von Kugeln mit homogener Elektronendichte und auf Streukurven von Polyhexamethylenadipat-Fäden und eines hiervon abgeleiteten aliphatischen Polyesteramids gezeigt. Für den Polyester und das Polyesteramid wurden Langperioden von 150 Å bzw. 118 Å gefunden. Anhand dieser und weiterer physikalischer Daten wurden Überlegungen zur Struktur dieser Materialien durchgeführt.
    Additional Material: 8 Ill.
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  • 4
    Publication Date: 1976-11-01
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Springer Nature
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