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  • 1
    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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  • 2
    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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  • 3
    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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  • 4
    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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  • 5
    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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  • 6
    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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  • 7
    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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  • 8
    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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  • 9
    Electronic Resource
    Electronic Resource
    Ueber einige Derivate der Para- und Ortho- nitrozimmtsäure (1882)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 212 (1882), S. 122-149 
    Details
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.18822120103
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  • 10
    Electronic Resource
    Electronic Resource
    Über die sulfonierung von polystyrol mit der anlagerungs-verbindung von schwefeltrioxyd an dioxan (1956)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 18 (1956), S. 139-150 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The sulfonation of polystyrene with concentrated sulfuric acid, oleum or chlorosulfonic acid yields products which swell but are insoluble. On the other hand, soluble products are obtained by sulfonation with the addition compound of sulfur trioxide with dioxane.The preparation, purification and analysis of such polystyrene sulfonic acids and their salts are described. The degree of sulfonation can be varied within wide limits. Products with one sulfonic acid group to about ten phenyl groups are soluble in alcohols and other polar solvents while higher sulfonated products are soluble in water.
    Notes: Die Sulfonierung des Polystyrols mit konzentrierter Schwefelsäure oder Oleum oder Chlorsulfonsäure führt zu unlöslichen, nur quellbaren Polystyrolsulfonsäuren. Im Gegensatz dazu erhält man mit der Additionsverbindung von Schwefeltrioxyd an Dioxan lösliche Produkte.Die Herstellung, Reinigung und Analyse von derartigen Polystyrolsulfonsäuren und ihrer Salze wird beschrieben. Der Sulfonierungsgrad kann in weiten Grenzen variiert werden. Produkte mit einer Sulfonsäuregruppe pro ca. zehn Phenylreste sind in gewissen Alkoholen und anderen polaren Lösungsmitteln löslich, höher sulfonierte in Wasser.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1956.020180113
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