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  • Inorganic Chemistry  (3)
  • Chemical Engineering  (2)
  • Computer chemistry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 29 (1983), S. 677-685 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Wall-to-bed heat transfer coefficients in three-phase fluidized beds with glass beads and clyindrical γ-alumina particles were determined experimentally. In the present study, the relative increase in heat transfer coefficient was found equal to the relative decrease in liquid holdup in three-phase fluidized beds. Modified Stanton number has been correlated with modified Reynolds number.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 31 (1985), S. 1504-1509 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Liquid holdups and wall-to-bed heat transfer coefficients in three-phase fluidized beds with glass beads and cylindrical γ-alumina particles were determined experimentally. It was found that the product of heat transfer coefficient and liquid holdup in three-phase fludized beds is equal to that in corresponding liquid-solid fluidized beds. A generalized correlation equation for heat transfer coefficients in both liquid-solid and three-phase fluidized beds was proposed based on the above relationship.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 355 (1967), S. 145-151 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Aluminium chloride gives on reduction in pyridine a radical solution whose ESR spectrum indicates spin coupling with two Al, two N and two H nuclei, the latter being protons in 6-position. It is derived that bis-(N-dichloroaluminium)-1,1′,2,2′-tetrahydro-4,4′-bipyridyl is formed, which dissociates into radicals at the C—C linkage between the two dihydropyridyl groups. This suggestion is also based on the formation of the same radical from Cl2AlH and 4,4′-bipyridyl, and on its observed NMR contact shifts.
    Notes: Aluminiumchlorid bildet bei der Reduktion in Pyridin eine (Abb. 1a, b) radikalische Lösung, deren ESR-Spektrum durch die Kopplung des Elektronenspins mit zwei Al-, zwei N- und zwei H-Kernen zu deuten ist. Versuche mit partiell deuterierten Pyridinen zeigen, daß es sich bei den Wasserstoffatomkernen um Protonen in 6-Stellung handeln muß. Die aus diesen Ergebnissen abgeleitete Struktur ist die eines Bis-(N-dichloraluminium)-1,1′,2,2′-tetrahydro-4,4′-bipyridyls, das an der Verknüpfungsstelle zweier Dihydropyridylreste in Radikale zu dissoziieren vermag. Gestützt wird diese Formulierung durch die Addition von Dichloralan Cl2AlH, an 4,4′-Bipyridyl, bei der das gleiche Radikal entsteht. Zur Ergänzung der ESR-Kopplungskonstanten wurden die „paramagnetischen Kontaktverschiebungen“ im NMR-Spektrum gemessen.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 29 (1896), S. 2348-2355 
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 5 (1872), S. 749-751 
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 11 (1972), S. 357-366 
    ISSN: 0570-0833
    Keywords: Computer chemistry ; Mass spectrometry ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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