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  • Chemistry  (7)
  • PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR  (4)
  • 2015-2019  (1)
  • 1965-1969  (10)
  • 1935-1939
  • 2017  (1)
  • 1966  (10)
  • 1
    Electronic Resource
    Electronic Resource
    Alkylbenzene-Maleic anhydride photoadducts as dianhydrides for epoxies and polyimides (1966)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 10 (1966), S. 1809-1812 
    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
    Notes: Dianhydrides from ethylbenzene, cumene, and branched C5-C6 alkylbenzene-maleic anhydride photoadducts have a surprisingly high solubility in epoxy resins. Dianhydrides from benzene, toluene, and n-C10-C13 alkylbenzene adducts, which are homologs of the above, were not soluble. Epoxies cured with the ethylbenzene and cumene dianhydride adducts had higher heat distortion temperatures and flexural strengths than epoxies cured with two commerical monoanhydrides. High-melting polyimides were also obtained with these two new dianhydrides.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1966.070101201
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    Paper (German National Licenses)
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  • 2
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    Hydrogenation of fluoroarenes: Direct access to all-cis-(multi)fluorinated cycloalkanes (2017)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2017-09-01
    Description: All-c is -multifluorinated cycloalkanes exhibit intriguing electronic properties. In particular, they display extremely high dipole moments perpendicular to the aliphatic ring, making them highly desired motifs in material science. Very few such motifs have been prepared, as their syntheses require multistep sequences from diastereoselectively prefunctionalized precursors. Herein we report a synthetic strategy to access these valuable materials via the rhodium–cyclic (alkyl)(amino)carbene (CAAC)–catalyzed hydrogenation of readily available fluorinated arenes in hexane. This route enables the scalable single-step preparation of an abundance of multisubstituted and multifluorinated cycloalkanes, including all- cis -1,2,3,4,5,6-hexafluorocyclohexane as well as cis-configured fluorinated aliphatic heterocycles.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    PAPER CURRENT
  • 3
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    The internal Compton effect (1966)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Internal Compton effect, and use of superconducting magnet spectrometer to determine multipolarity assignments
    Keywords: PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
    Type: NASA-CR-633
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
    Electronic Resource
    Electronic Resource
    Chemical engineering and society (1966)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 12 (1966), S. 3-4 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    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/aic.690120103
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Mass transfer from large oscillating drops (1966)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 12 (1966), S. 530-534 
    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: A mass transfer model for vigorously oscillating single liquid drops moving in a liquid field has been developed with the concepts of interfacial stretch and internal droplet mixing. The model takes into account both amplitude and frequency of drop oscillations. Experimental values of fraction extracted were predicted with an average deviation of 15%. Oscillations break up internal circulation streamlines and a type of turbulent internal mixing is achieved.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690120325
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Coalescence in fibrous beds (1966)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 12 (1966), S. 1045-1050 
    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: The factors affecting the efficacy of a closely packed bed of mixed cotton and a supporting fiber (Teflon, glass, Dynel) were evaluated for oil-in-water dispersions. Several other water-organic systems were also tested. Superficial velocities ranged from 0.2 to 3.5 ft./min. Successful coalescence was attained at interfacial tensions as low as 3.5 dynes/cm. Dispersed phase viscosity was varied form 1.4 to 137 centipoise. For a mixed-fiber bed with a specific ratio of fiber species, there is an optimum bed depth for best performance. High-speed cinephotomicrographic observations at 100 × and up to 4,000 frames/sec. indicated that fiber wettability is not the most important factor for successful operation.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690120603
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Vergleichende Untersuchungen über den Lösevorgang bei der Einzelpartikel und im Haufwerk (1966)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 38 (1966), S. 347-350 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Durch vergleichende Messungen des Stoffübergangs bei der Einzelpartikel sowie im festen und wirbelnden Haufwerk soll festgestellt werden, wie weit sich Salzpartikel beim Lösevorgang gegenseitig beeinflussen. Dazu werden leicht und schwer lösliche Salze in Tablettenform im senkrechten Strömungsrohr von einem aufsteigenden Flüssigkeitsstrom verschiedener Viscosität aufgelöst. Es ergeben sich bei vorwiegend erzwungener Konvektion im Fest- und im Fließbett durchweg höhere Stoffübergangszahlen als bei Einzelpartikeln, die im Meßrohr frei beweglich angeordnet sind. Optimale Stoffübergangsbedingungen herrschen am Wirbelpunkt, dem Grenzzustand zwischen ruhendem und wirbelndem Haufwerk. Die Ergebnisse lassen sich an Hand von Schlierenaufnahmen qualitativ deuten.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330380329
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  • 8
    Electronic Resource
    Electronic Resource
    Einiges über das System CoSO4—H2O (1966)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 346 (1966), S. 221-224 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A critical consideration of the literature of the system CoSO4—H2O yields that the compounds CoSO4 · 7 H2O, CoSO4 · 6 H2O and CoSO4 · 1 H2O are stable and that the compound CoSO4 · 4 H2O is metastable.
    Notes: Aus einer kritischen Betrachtung der Literatur über das System CoSO4—H2O geht hervor, daß die Verbindungen CoSO4 · 7 H2O, CoSO4 · 6 H2O und CoSO4 · 1 H2O stabil sind und daß die Verbindung CoSO4 · 4 H2O metastabil ist.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19663460316
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    Paper (German National Licenses)
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  • 9
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    Semiclassical theory of the three-turning- point-problem. (1966)
    In:  Other Sources
    Details
    Publication Date: 2019-05-30
    Description: Phase shift from scattering by atoms with attractive potentials, predicting virtual energy states for incident energies in three-turning point range
    Keywords: PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
    Type: JOURNAL OF CHEMICAL PHYSICS
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Collision Frequencies and Energy Transfer- Electrons (1966)
    In:  CASI
    Details
    Publication Date: 2019-05-29
    Description: Elastic collisions and energy transfer between gases with separate Maxwellian velocity distributions
    Keywords: PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
    Type: NASA-CR-75889
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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