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  • 1
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 114-114 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 49 (1977), S. 25-30 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Sowohl bei der biologischen als auch bei der thermischen Zersetzung von organischen Abfällen entsteht Methan. Die Methan-Bildung verläuft in der Deponie unkontrolliert. Die Gewinnung von Methan ist dabei unvollständig. Bei der biologischen Zersetzung wasserreicher organischer Abfälle in geschlossenen beheizten Behältern läßt sich gezielt Methan gewinnen. Thermische Prozesse zur Methan-Gewinnung (Ent- und Vergasung) befinden sich noch in Entwicklung. Voraussichtlich werden sie nur in Sonderfällen von Interesse sein. Für die großindustrielle Gaserzeugung aus Abfällen sind die Müllmengen in wirtschaftlich erträglichen Einzugsgebieten zu klein.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 59 (1987), S. 871-875 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 48 (1976), S. 82-86 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 31 (1980), S. 248-251 
    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: The electronic structure and conformation of PVC-oligomer models is investigated, using the EHMO (extended Hückel) approximation. Calculated geometries of conformers are near those with idealized torsional angles. Syndiotactic PVC sequences are by 6 kJ mol-1 more stable than the isotactic helical structure. For changing the conformation of 2,4-dichloropentane a coupled internal rotation of neighbouring C—C bonds is important.
    Notes: Die Elektronenstruktur und Konformation von PVC-Oligomer-Modellen wird mit Hilfe der semiempirischen EHMO (erweiterter Hückel)-Methode untersucht. Berechnete Konformergeometrien liegen in der Nähe der idealisierten Torsionswinkel. Syndiotaktische PVC-Sequenzen sind ca. 6 kJ mol-1 stabiler als eine isotaktische Helix. Für den Konformationswechsel im 2,4-Dichlorpentan ist die gekoppelte innere Rotation um benachbarte C—C-Bindungen wesentlich.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 329-334 
    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: A simple quantum-chemical approach in π-approximation for the estimation of the band characteristics of organic polymers is derived. The results received for some compounds with conjugative bound structure units are presented as example.
    Notes: Ein einfacher quantenchemischer Ansatz zur Bandstrukturberechung in π-Näherung für organische Polymere wird vorgestellt. Die mit ihm erzielbaren Ergebnisse für Verbindungen mit konjugativ verknüpften Struktureinheiten werden in exemplarischer Weise angegeben.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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