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  • 1
    Electronic Resource
    Electronic Resource
    Concept of system similarity in chemical engineering (1987)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 33 (1987), S. 1986-1992 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Fuzzy set theory is used to describe similarity of chemical engineering systems. The development of system similarity is given, and methods of determining a similarity relation are discussed. The system similarity relation is applied to the problems of measuring correlation confidence and quantifying modeling error. Sample problems are examined.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690331207
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  • 2
    Electronic Resource
    Electronic Resource
    Anaerobe Behandlung eines industriellen Abwassers in einem Laborreaktor mit textilem Festbett (1997)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 69 (1997), S. 1301-1302 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.3306909134
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  • 3
    Electronic Resource
    Electronic Resource
    Ein einfaches lineares Modell zur Regelung der Brennzone eines katalytischen Festbettreaktors (1979)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 51 (1979), S. 681-681 
    Details
    ISSN: 0009-286X
    Keywords: Festbettreaktor ; Brennzone ; Katalysator ; Brennzonen- und Maximalwertregelung ; Zustandsregler ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330510631
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Order and molecular motion in wholly aromatic copolyesters (1997)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 48 (1997), S. 527-535 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The order and molecular dynamics of wholly aromatic thermotropic copolyesters prepared from hydroxybenzoic acid (HBA), hydroquinone (HQ) and phenoxyterephthalic acid (Ph-O-TPA) have been studied by X-ray analysis and deuteron NMR spectroscopy of specimens containing either deuterated hydroquinone or deuterated phenoxy side-chain units. X-ray analysis shows the coexistence of nematic and three-dimensionally ordered regions that are characterized by registry of adjacent chains with interleaved side groups. The molecular motions in these nematic/three-dimensionally ordered polymers are compared to those of a highly crystalline copolyester prepared from deuterated TPA and HQ. In the fast motional limit the motion in the crystalline system is characterized by 180° flips about the TPA axis, whereas in the nematic/three-dimensionally ordered copolyester the same type of axially symmetric spectrum is observed for both the nematic and the three-dimensionally ordered regions. The motion of the HQ units is characterized by rotational diffusion about the C1—C4 axis, augmented by fast rotational fluctuation of this axis about the main-chain direction. A model of free rotation about the axis of the phenyl group augmented by librations of restricted amplitude about the PhO-TPA bond for the ordered regions superimposed by slow axial motions about the main-chain axis in the nematic phase is consistent with both the NMR data and X-ray analysis.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1997.010481202
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    Paper (German National Licenses)
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