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  • Electronic Resource  (2)
  • 2000-2004
  • 1995-1999  (1)
  • 1980-1984  (1)
  • 1996  (1)
  • 1984  (1)
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  • Electronic Resource  (2)
Years
  • 2000-2004
  • 1995-1999  (1)
  • 1980-1984  (1)
Year
  • 1
    Electronic Resource
    Electronic Resource
    The electrodeposition of copper-silver and copper-nickel alloy powders from aqueous ammoniacal solutions (1984)
    Springer
    Journal of applied electrochemistry 14 (1984), S. 605-613 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The electrodeposition of copper-silver and copper-nickel powders from aqueous ammoniacal solutions at a continuously scraped rotating cylinder cathode is described. Ag-Cu powders can be prepared under these conditions, but the individual particles are inhomogeneous and the extent of this inhomogeneity is examined. Surface areas (from BET) and particle size distributions are reported, and the morphology is considered. Cu-Ni powders deposited under these conditions are heavily contaminated with oxide/ hydroxides and this is attributed to an increase in near-cathode pH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00626304
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    DNA topology and gene expression in Clostridium acetobutylicum: Implications for the regulation of solventogenesis (1996)
    Springer
    Biotechnology letters 18 (1996), S. 1413-1418 
    Details
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The relationship between solventogenesis, heat shock, and DNA topology in Clostridium acetobutylicum was investigated by inhibiting DNA gyrase in vivo by high concentrations of novobiocin. Primer extension and Northern blot analyses revealed that expression of genes required for solventogenesis and heat shock response was induced in the presence of this drug, whereas the transcription rate of acidogenic genes decreased, suggesting a role for DNA supercoiling as a signal for onset of solventogenesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00129345
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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