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  • Chemistry  (2)
  • Polymer and Materials Science  (1)
  • enthalpy
  • 5'-O-demethyl-8-O-methyl-dioncophylline A
  • Wiley-Blackwell  (2)
  • 1985-1989  (1)
  • 1950-1954  (1)
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Keywords
  • Chemistry  (2)
  • Polymer and Materials Science  (1)
  • enthalpy
  • 5'-O-demethyl-8-O-methyl-dioncophylline A
  • General Chemistry  (1)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Radical ions as chain carriers in polymerization reactions (1985)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 12 (1985), S. 105-123 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Certain polymerization reactions show the formation of medium molecular weights at the beginning of the reaction, although they can be considered to be polycondensations. The principle of equal reactivity of the end groups is not given in this case. Intermediates more reactive than the monomer are formed during the reaction. Poly(oxy-2,6-dimethyl-l,4-phenylene), poly(l,4-phenylene sulfide) and poly(l,4-phenylene) are examples of this type of reaction. The formation of radical ions in these reactions is discussed and they are compared to Bunnett's SRN1-reactions.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1985.020121985110
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Mikroanalytische Aufgaben in Metallkunde und Metallurgie (1952)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 64 (1952), S. 187-195 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Microanalytical Problems in Metallography and MetallurgyMicroanalysis has become increasingly important in metallographic analyses during recent years. This paper shows the particular problems with reference to the investigation of the structure of iron and steel. It has been possible to determine important new information concerning carbide and oxide occlusions, as well as those of nitrides, sulphides and intermetallic compounds. Particular attention is paid to the problems arising in taking the samples.
    Notes: Die Mikroanalyse hat in den letzten Jahren für die metallkundliche Analyse sehr an Bedeutung gewonnen. Es wird hier gezeigt, welche Aufgaben ihr besonders bei der Gefügeforschung an Stahl und Eisen gestellt werden. Es ist gelungen, wesentliche neue Erkenntnisse über Carbide und oxydische Einschlüsse und solche von Nitriden, Sulfiden und intermetallischen Verbindungen zu erhalten. Besondere Sorgfalt wird den bei den Probenahmen auftretenden Problemen gewidmet.
    Additional Material: 20 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19520640704
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    Paper (German National Licenses)
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