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  • Chemistry  (161)
  • STRUCTURAL MECHANICS  (5)
  • Aircraft Design, Testing and Performance  (4)
  • ASTROPHYSICS
  • 1970-1974
  • 1960-1964  (146)
  • 1920-1924  (24)
  • 1960  (146)
  • 1920  (24)
Collection
Keywords
Publisher
Years
  • 1970-1974
  • 1960-1964  (146)
  • 1920-1924  (24)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Electronic computer solution for the MPN equation used in the determination of bacterial populations (1960)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Biochemical and Microbiological Technology and Engineering 2 (1960), S. 157-163 
    Details
    ISSN: 0368-1467
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The utility and the practical precision of the Most Probable Number method for determining bacterial populations is currently restricted by a lack of adequate tables of solved examples or alternatively by an easy and quick solution to individual problems. Where an electronic computer is available, these restrictions need not apply. A computer programme and example solution for tabulated data and individual problems are presented in this paper.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbmte.390020205
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  • 2
    Electronic Resource
    Electronic Resource
    Reaktionen von Palladium(II)-Halogeniden mit Acetylenen (1960)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 72 (1960), S. 34-34 
    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.19600720109
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  • 3
    Electronic Resource
    Electronic Resource
    Grafting to irradiated polyethylene and polypropylene by means of redox polymerization (1960)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 4 (1960), S. 246-247 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1960.070041120
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  • 4
    Electronic Resource
    Electronic Resource
    The study of the polydispersity of polymers by viscometry (1960)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 46 (1960), S. 3-17 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A viscometric polydispersity index may be calculated by forming the ratio of the viscosity-average molecular weights of a polymer in a relatively good solvent and in a relatively poor solvent and subtracting 1. This index has been examined by measuring dilute solution viscosities of a polydisperse polystyrene and a polydisperse methyl methacrylate in a variety of solvents, calculating viscosity-average molecular weights using Mark-Staudinger-Houwink equations, and forming the viscometric polydispersity indices. These are compared to Schulz parameters, weight-average-number-average molecular weight ratios minus 1, determined from osmotic pressure and light scattering. Viscometric polydispersity indices are more sensitive to polydispersities than expected when compared to Schulz parameters if account is taken of the differences in the powers of molecular weight in the various molecular weight sums. Viscometric polydispersity indices are examined for other polymers, including an almost monodisperse polystyrene. From these measurements it is concluded that the viscometric polydispersity index is valuable for characterizing the polydispersity of polydisperse linear polymers and rough fractions. The weight-average-viscosity-average polydispersity index is more sensitive than the viscometric polydispersity index and may be used to characterize relatively monodisperse linear polymers.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1960.1204614702
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  • 5
    Electronic Resource
    Electronic Resource
    Polysulfide elastomer from the reaction of 1,5-pentanedithiol with thionyl chloride (1960)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 47 (1960), S. 526-527 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1960.1204714963
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  • 6
    Electronic Resource
    Electronic Resource
    Calculation of nonbonding forces as applied to stereospecific polymerization (1960)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 43 (1960), S. 373-381 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The nonbonding interactions were calculated for four models resembling types of propylene polymerization. The calculations predict syndiotactic polymerization for a radical or carbonium ion model and suggest isotactic polymerization for anionic-type reaction.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1960.1204314208
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  • 7
    Electronic Resource
    Electronic Resource
    Mechanism of amine crosslinking of fluoroelastomers. I. Solution studies (1960)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 45 (1960), S. 405-413 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Solution studies of Kel-F elastomer and Viton A with various amines have shown that dehydrohalogenation is the primary step in crosslinking and usually proceeds at temperatures lower than those required for gelation. There is a difference in the reactivity between the two polymers; dehydrohalogenation and gelation occur more readily with Kel-F elastomer than with Viton A. The rate of reaction and temperature at which gelation is observed depend upon the type of amine. Mechanisms of crosslinking are proposed and discussed.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1960.1204514610
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  • 8
    Electronic Resource
    Electronic Resource
    Untersuchungen über Diepoxyhexite. Bildung von 1.6-Anhydro-hexiten (1960)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 93 (1960), S. 1608-1616 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Bei der alkalischen Hydrolyse des 1.2;5.6-Dianhydro-3.4-isopropyliden-D-mannits (I), -D-sorbits (II) und -L-idits (III) bilden sich neben den entsprechenden 3.4-Isopropyliden-hexiten, wie wir annehmen ohne Konfigurationsänderung, auch 1.6-Anhydro-3.4-isopropyliden-hexite (VII, VIII, IX), welche nach Entfernung der Isopropyliden-Gruppe kristallisierte 1.6-Anhydro-hexite liefern (X, XI, XII). Die bei der Bildung von VII, VIII und IX beobachteten sehr unterschiedlichen Ausbeuten lassen sich durch stereochemische Faktoren erklären. Die Hydrolyse der Diepoxyde I, II und III mit verd. Schwefelsäure führt außer zu Hexiten ebenfalls zu Anhydrohexiten, welche aber mit X, XI und XII nicht identisch sind. Das D-Sorbit-Derivat II liefert 2.5-Anhydro-L-idit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19600930723
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  • 9
    Electronic Resource
    Electronic Resource
    Unmittelbare Cyanierung der FerriciniumsalzeProf. Wilhelm Treibs zum 70. Geburtstag gewidmet. (1960)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 93 (1960), S. 2729-2735 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Ferriciniumsalze lassen sich auch in saurem Medium nur mit geringer Ausbeute cyanieren, besser mit flüss. Blausäure in Tetrahydrofuran. Das Ferrocen-carbon-säurenitril entsteht aber in 80-proz. Ausb., wenn man das Ferriciniumsalz durch Ferrocen und FeCl3 ersetzt. Bei der gleichen Reaktion mit Alkylferrocen tritt die CN-Gruppe in den substituierten Cyclopentadienyl-Ring; sie sucht den unsubstituierten Ring auf, wenn man vom Monochlorferrocen oder Ferrocen-carbonsäurenitril ausgeht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19600931144
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  • 10
    Electronic Resource
    Electronic Resource
    Zur Titration mit der Wasserstoffelektrode (1920)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 3 (1920), S. 433-446 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird die Herstellung einer Wasserstoffelektrode beschrieben, deren Potentialänderung bei acidimetrischen Titrationen hinreichend genau durch direkten Anschluss an ein Millivoltmeter gemessen werden kann. An Beispielen wird die Brauchbarkeit der Elektrode zur Titration von starken und schwachen Säuren gezeigt. Von schwachen Säuren wird gezeigt, dass sich ihre Gleichgewichtskonstante aus dem Potentialabfall im Verlaufe der Titration in sehr einfacher Weise berechnen lässt. An der Titration von Säuregemischen wird die Verwendbarkeit der beschriebenen Wasserstoffelektrode in Verbindung mit einem Millivoltmeter zur Bestimmung starker Säuren neben schwachen Säuren gezeigt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19200030144
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