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  • 1980-1984  (1)
  • 1965-1969  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of mathematical biology 30 (1968), S. 625-635 
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract The present paper is an attempt to outline an abstract unitary theory of systems. In the introduction some of the previous abstract representations of systems are discussed. Also a possible connection of abstract representations of systems with a general theory of measure is proposed. Then follow some necessary definitions and authors' proposals for an axiomatic theory of systems. Finally some concrete examples are analyzed in the light of the proposed theory.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Emulsionspolymerisation und -copolymerisation von Styren mit und ohne Emulgator sowie mit und ohne Saatlatex wurde untersucht. Die Saatlatices wurden durch Emulsionspolymerisation ohne Emulgator (bei Polystyren) bzw. in Gegenwar eines anionischen Emugators (bei Polybutadien und Butadien-α-Methylstyren-Copolymer) hergestellt. Die kinetischen Untersuchungen und Teilchengrößenbestimmungen zeigten die entscheidende Bedeutung der Verteilung der Emulgatormoleküle und der polaren Gruppen in der Polymer-Wasser-Grenzfläche für den Teilchenbildungsprozeß.
    Notes: The emulsion polymerization and copolymerization of styrene with or without emulsifiers, seeded or not, was investigated. The seed latex was prepared by emulsion polymerization without emulsifiers (for polystyrene), or in the presence of anionic emulsifiers (for polybutadiene and butadiene-α-methyl-styrene copolymer). The kinetic studies and particle size measurements proved the crucial role of the distribution of emulsifier molecules and of the polar groups at the polymer-water interface on particle formation.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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