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  • 1960-1964  (5)
  • Polymer and Materials Science  (5)
  • Elderly
  • Fluoride poisoning
  • Inorganic Chemistry
  • Key words Magnetic resonance imaging
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Year
Keywords
  • Polymer and Materials Science  (5)
  • Elderly
  • Fluoride poisoning
  • Inorganic Chemistry
  • Key words Magnetic resonance imaging
  • +
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 13 (1962), S. 541-543 
    ISSN: 0947-5117
    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: Deterioration of timber in cooling towers. Possible causesTimber in cooling towers is always exposed to exacting working conditions and shows many signs of deterioration. In order to clarify two specific cases of deterioration, the timber of cooling towers (redwood and fir) has been subjected to mechanical tests for loss of mechanical strength whilst the cooling water and circulating water have been analyzed. It was found that alkaline water with iron content causes a marked loss of mechanical strength and that the impregnation of the wood with tar oils has a very great protective effect as it inhibits the corrosion caused by iron nails.
    Notes: Holz, das durchgängig in Kühltürmen harten Betriebsbedingungen ausgesetzt ist, zeigt vielartige Schäden. Zur Aufklärung zweier Schadensfälle wurde das Holz von Kühltürmen (Redwood u. Fichte) mechanisch auf Wertminderung (Steifigkeits-Einbuße) sowie das Kühlwasser und das Umlaufwasser analytisch untersucht. Festgestellt wurde, daß alkalische, eisenhaltige Wässer zu starkem Steifigkeitsverlust (Schwächung) führen und, daß Imprägnieren des Holzes mit Teerölen in hohem Maße zerstörungsschü;tzend wirkt, da dies auf die Korrosion eiserner Nägel inhibierend wirkt.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 54 (1961), S. S20 
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Proton magnetic resonance of a number of polyamides has been investigated in the 80-410°K. range. Line width and second moment vs. temperature plots for dry specimens of poly(hexamethylene adipamide) and poly(hexamethylene sebacamide) are found to exhibit two transition regions. Saturation with H2O or D2O lowers the temperature of the principal line-narrowing process for the above two polymers as well as for poly(decamethylene sebacamide) and shifts part of the second-moment transition which occurs above room temperature to lower temperatures; in both cases H2O has a more pronounced effect than D2O. Exchange of the protons, presumably on the amide groups, for deuterium leads to small decreases in line width and second moment at temperature in and below the main transition. N-methylation of poly(decamethylene sebacamide) up to 58% causes marked shifts of the principal line-narrowing process and NMR second moment transition to lower temperatures. The NMR data are found to be in qualitative agreement with dynamic mechanical measurements on similar samples.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 42 (1960), S. 248-250 
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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