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  • 1
    Electronic Resource
    Electronic Resource
    Zwei Klassen vollständiger Funktionensysteme zur Behandlung der Randwertaufgaben der Schwingungsgleichung ΔU + k2U = 0 (1980)
    Chichester, West Sussex : Wiley-Blackwell
    Mathematical Methods in the Applied Sciences 2 (1980), S. 48-67 
    Details
    ISSN: 0170-4214
    Keywords: Mathematics and Statistics ; Applied Mathematics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics
    Notes: In this paper we present new methods to solve the classical Dirichlet and Neumann problems for ΔU + k2U = 0. We prove that the solutions of this equation for a region S containing G restricted to G are dense in L2(∂G). Introducing a basis in the space of solutions for S we find a complete orthogonal system in L2(∂G) which can be used to solve the boundary value problems by means of approximation in the Hilbertspace norm. Regularity estimates lead to series expansions in G.The well-known basis systems obtained by separation of variables thus may be used for every regular region without the very special geometric restrictions. Another class of basis systems may be obtained in analogy to the Runge. theorems by considering types of singularity functions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mma.1670020106
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  • 2
    Electronic Resource
    Electronic Resource
    Über die Radon-Transformation kreissymmetrischer Funktionen und ihre Beziehung zur Sommerfeldschen Theorie der Hankelfunktionen (1980)
    Chichester, West Sussex : Wiley-Blackwell
    Mathematical Methods in the Applied Sciences 2 (1980), S. 108-129 
    Details
    ISSN: 0170-4214
    Keywords: Mathematics and Statistics ; Applied Mathematics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics
    Notes: For the Radon transform of functions with circular symmetry an inversion formula is proved in a new and elementary way. The inversion formula combined with Fourier theory is applied to Sommer-feld's integral for Hv1, yielding a representation of products which generalizes Nicholson's integral for |Hv(1)| 2.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mma.1670020110
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  • 3
    Electronic Resource
    Electronic Resource
    Mechanische Eigenschaften von kaltgezogenem und gegossenem Titan Grad 2 (1998)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 29 (1998), S. 714-719 
    Details
    ISSN: 0933-5137
    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
    Description / Table of Contents: Mechanical properties of cold-drawn and cast Grade 2 TitaniumThe static and dynamic properties of Grade 2 Titanium for dental applications are investigated. The typical casting procedures used in dental laboratories lead to a drastic deterioration of the mechanical properties compared to wrought material. This deterioration is caused by changes in microstructure and surface roughness. The experimental results are used to determine opportunities for improvements and their limits.
    Notes: In dieser Arbeit werden die statischen und dynamischen Eigenschaften von in der Zahntechnik verwendetem Titan Grad 2 untersucht. Es zeigt sich, daß die in zahntechnischen Laboratorien üblichen Herstellungsprozesse und Bearbeitungsschritte bei gegossenem Titan eine erhebliche Verschlechterung der Eigenschaften gegenüber kommerziell erhältlichen Ti-Halbzeugen bewirken. Diese Verschlechterung läßt sich auf Änderungen im Gefüge und der Oberflächenrauhigkeit zurückführen. Aus den Untersuchungsergebnissen werden Möglichkeiten und Grenzen für die Optimierung des Herstellungsprozesses für Zahnersatz aus Titan Grad 2 abgeleitet.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19980291205
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  • 4
    Electronic Resource
    Electronic Resource
    Zu Carl Glasers 85. Geburtstag (1927)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 40 (1927), S. 273-281 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19270401002
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  • 5
    Electronic Resource
    Electronic Resource
    Die unmittelbare Darstellung von Kohlenoxyd durch Verbrennung von Kohle mittels reinen Sauerstoffs (1920)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 33 (1920), S. 36-36 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19200331005
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  • 6
    Electronic Resource
    Electronic Resource
    Merkwürdige Beobachtungen bei der Verbrennung von Holzkohle mittels Salpetersäure (1920)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 33 (1920), S. 40-40 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19200331204
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  • 7
    Electronic Resource
    Electronic Resource
    Inhibition kinetics of phenol degradation from unstable steady-state data (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 54 (1997), S. 567-576 
    Details
    ISSN: 0006-3592
    Keywords: continuous cultivation ; unstable steady state ; substrate inhibition ; phenol degradation ; Pseudomonas cepacia G4 ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Multiplicity of steady states of a continuous culture with an inhibitory substrate was used to estimate kinetic parameters under steady-state conditions. A continuous culture of Pseudomonas cepacia G4, using phenol as the sole source of carbon and energy, was overloaded by increasing the dilution rate above the critical dilution rate. The culture was then stabilized in the inhibitory branch by a proportional controller using the carbon dioxide concentration in the reactor exhaust gas as the controlled variable and the dilution rate as the manipulated variable. By variation of the set point, several unstable steady states in the inhibitory branch were investigated and the specific phenol conversion rates calculated. In addition, phenol degradation was investigated under substrate limitation (chemostat operation).The results show that the phenol degradation by P. cepacia can be described by the same set of inhibition parameters under substrate limitation and under high substrate concentrations in the inhibitory branch. Biomass yield and maintenance coefficients were identical. Fitting of the data to various inhibition models resulted in the best fit for the Yano and Koga equation. The well-known Haldane model, which is most often used to describe substrate inhibition by phenol, gave the poorest fit. The described method allows a precise data estimation under steady-state conditions from the maximum of the biological reaction rate up to high substrate concentrations in the inhibitory branch. Inhibition parameter estimation by controlling unstable steady states may thus be useful in avoiding discrepancies between data generated by batch runs and their application to continuous cultures which have been often described in the literature. © 1997 John Wiley & Sons, Inc. Biotechnol Bioeng 54: 567-576, 1997.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 8
    Electronic Resource
    Electronic Resource
    63. Hochdruck-Phasengleichgewichte von Polymerlösungen (1996)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1106-1107 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330680965
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  • 9
    Electronic Resource
    Electronic Resource
    60. Optische Chemo- und Biosensoren für die Bioverfahrenstechnik (1993)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 65 (1993), S. 1086-1086 
    Details
    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
    URL: http://dx.doi.org/10.1002/cite.330650962
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  • 10
    Electronic Resource
    Electronic Resource
    161. Inhibierungsparameter für quasi-stationäre Bedingungen am Beispiel des Phenolabbaus durch Pseudomonas cepacia G4 (1996)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1169-1169 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.3306809163
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