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  • Wiley-Blackwell  (160)
  • Springer Nature  (40)
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  • 1
    Electronic Resource
    Electronic Resource
    Turbulence suppression by polymer solutions in opposed jets flow (1995)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 41 (1995), S. 1333-1336 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690410530
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  • 2
    Electronic Resource
    Electronic Resource
    Alkoxycarbonylcarbene Transfer to Acyclic Tertiary EnaminonesPresented in part at the third conference on iminium salts, Stimpfach-Rechenberg (Germany), September 17-19, 1997 (1998)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 340 (1998), S. 315-322 
    Details
    ISSN: 0941-1216
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Copper-catalyzed alkoxycarbonylcarbene transfer from methyl or tert-butyl diazoacetate to acyclic enaminoesters 6a,b and enaminocarboxanilide 13 yields vicinal push-pullsubstituted cyclopropanes 7a,b,8, and 14. In contact with dry silica gel, the latter compounds undergo facile ring-opening leading to enaminoesters 9, 10, and 15. Treatment with aqueous acid transforms 9 and 10 into 2-acylsuccinates 11 and 12, and 15 into pyrrolinone 16. Methoxycarbonylcarbene transfer to enaminoketones 1a-c does not yield isolable cyclopropanes, but after hydrolytic work-up α-acyl-γ-ketoesters 2a-c are obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19983400405
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  • 3
    Electronic Resource
    Electronic Resource
    Die Rekristallisation von Blei (1930)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 190 (1930), S. 120-122 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird je ein Rekristallisationsdiagramm für reinstes Blei und für ein Handelsblei aufgestellt, die Wirkung einiger Zusätze auf die Korngröße von Blei wird festgestellt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19301900112
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  • 4
    Electronic Resource
    Electronic Resource
    Über Die Mischungslücke in flüssigen Eisen-Kupferlegierungen (1928)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 169 (1928), S. 272-272 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19281690122
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  • 5
    Electronic Resource
    Electronic Resource
    Über den Aufbau der Mischkristalle des Eisens mit Beryllium und Aluminium (1930)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 192 (1930), S. 337-345 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Eisenseiten der Gleichgewichtsdiagramme Eisen-Beryllium und Eisen-Aluminium werden nach den Ergebnissen thermischer und mikroskopischer Untersuchungen neu entworfen. Beide Systeme gehören zu der Gruppe von Eisenlegierungen mit vollständig geschlossenem γ-Feld.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19301920126
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  • 6
    Electronic Resource
    Electronic Resource
    Aushärtbare Blei-Nickel-Cadmiumlegierungen (1932)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 205 (1932), S. 42-42 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19322050103
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  • 7
    Electronic Resource
    Electronic Resource
    Studien über Bleilegierungen (1931)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 198 (1931), S. 297-309 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An Blei-Cadmium-Antimonlegierungen wurde starke Härtesteigerung nach dem Abschrecken und Lagernlassen beobachtet. Das Temperatur-Konzentrationsdiagramm zwischen Blei und der Verbindung CdSb wurde in großen Zügen aufgestellt. Die Härtesteigerung von Pb-(Cd-Sb-)Legierungen wurde unter den verschiedensten Bedingungen verfolgt. Es wurde festgestellt, daß eine Kaltbearbeitung für die Härtung nicht erforderlich ist. Bei bestimmten Verhältnissen des Zusatzes von Cadmium und Antimon ist ein Abschrecken zur Erzielung der Härtung nicht nötig, es tritt Härtung nach normaler Abkühlung ein. Zinn- und Zinkzusatz wirken hemmend auf die Härtung ein.  -  Blei-Zinnlegierungen werden nach Kaltbearbeitung weicher, die größte Entfestigung tritt bei der Konzentration des Eutektikums auf.  -  Das „Sprödewerden“ von technischem Blei kurz unterhalb des Schmelzpunktes wird bedingt durch Schmelzen von Eutektika.  -  Grobkörniges Blei verhält sich unter bestimmten Bedingungen spröde, es bricht ohne merkliche Formänderung.
    Additional Material: 23 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19311980125
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  • 8
    Electronic Resource
    Electronic Resource
    Untersuchungen Über die elektrolytische Dissoziation basischer Bleisalze (1936)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 229 (1936), S. 285-299 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In wäßrigen Lösungen von basischem Bleiperchlorat und Bleiazetat würden Überführungsmessungen, Leitfähigkeitsmessungen sowie Bestimmungen der Gefrierpunktsdepression und der Pb..-Ionenkonzentration bei verschiedenen Verdünnungen durchgeführt. Bei allen Versuchen kam auf 1 Mol Neutralsalz 1 Mol Bleioxyd.
    Additional Material: 8 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19362290306
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  • 9
    Electronic Resource
    Electronic Resource
    Influence of aging and crystallinity on the molecular motions in bisphenol-A polycarbonate (1996)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 34 (1996), S. 2863-2879 
    Details
    ISSN: 0887-6266
    Keywords: semicrystalline polymers ; polycarbonate ; TSDC ; rigid amorphous phase ; glass transition ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Thermally Stimulated Depolarization Current technique, Differential Scanning Calorimetry, and Dynamic Mechanical Analysis have been applied to amorphous and semicrystalline bisphenol-A polycarbonate with crystallinity degrees up to 21.8%, in a temperature interval covering the α and β relaxations. The secondary β transition is found to be the sum of three components whose variations in aged and annealed specimens have shown the cooperative character of the β1 and β2 modes, contrary to the localized nature of the β3 component. A Tg decrease was observed by both TSDC and DSC as a function of Xc and has been related to the possible confinement of the mobile amorphous phase in regions whose sizes are smaller than the correlation lengths of the cooperative movements that characterize the motions occurring at Tg. The α relaxation intensity variations with crystallinity show the existence of an abundant rigid amorphous phase in the semicrystalline material. The relaxation parameters deduced from the Direct Signal Analysis of the α relaxation for the mobile amorphous phase do not show significant deviations from those found for the amorphous material. The existence of the rigid amorphous phase has been associated to the ductile-to-brittle transition experienced by the material at low crystallinity levels. © 1996 John Wiley & Sons, Inc.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Ternary ABC block copolymers based on one glassy and two crystallizable blocks: polystyrene-block-polyethylene-block-poly(ε-caprolactone) (1998)
    Weinheim : Wiley-Blackwell
    Macromolecular Chemistry and Physics 199 (1998), S. 1063-1070 
    Details
    ISSN: 1022-1352
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The hydrogenation of polystyrene-block-polybutadiene-block-poly(ε-caprolactone) SBC triblock copolymers was performed in the presence of the Wilkinson catalyst RhCl(P(C6H5)3)3. Reaction conditions (hydrogen pressure, temperature and reaction time) were varied to ensure quantitative hydrogenation without detectable side reactions. Gel permeation chromatography showed no broadening of the molecular weight distribution during hydrogenation. The efficiency of the catalyst is markedly influenced by the molecular weight of the copolymer. Due to the presence of the polyethylene (PE) block, the resulting polymers exhibit a reduced solubility in comparison to the starting materials. Using differential scanning calorimetry (DSC), preliminary results about the crystallization and melting behavior of the PE-block were obtained. In the triblock copolymers, the PE-block showed a marked depression of the melting point and crystallinity when compared to pure hydrogenated polybutadiene of equivalent molecular weight and microstructure or to a comparable PE-block within a polyethylene-block-poly(ε-caprolactone) diblock copolymer. A fractionated crystallization process of the PCL-block was observed when the PCL component in the hydrogenated triblock copolymers was present as a minor phase.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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