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  • 1
    Electronic Resource
    Electronic Resource
    Oxidation in preparation of oxide superconducting films by MBE using NO2 and O3 gases (1992)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 19 (1992), S. 353-357 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: In order to prepare oxide superconducting films by molecular beam epitaxy (MBE), we developed a compact NO2 supersonic molecular beam source and a new ozone jet generator to supply oxidizing gases with high controllability. Using these sources, oxide superconducting films of REBa2Cu3Ox (RE ≡ Nd, Y) were prepared on either MgO or SrTiO3 substrates. Because of the sufficiently low pressure during deposition, the oxidation process of the metals, especially of copper, by the oxidizing gases and the crystallization and surface flatness of the films were studied in situ by XPS and reflection high-energy electron diffraction (RHEED) together with effective cleaning of the substrates by the oxidizing gases.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740190166
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Oxidation of metals by an oxygen ion beam in the MBE process (1992)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 19 (1992), S. 365-368 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: X-ray photoelectron spectroscopy was used to study the oxidation of Cu by oxygen plasma generated from a Kaufman ion gun. It was found that Cu was much less oxidized in co-evaporation with Ba or Nd compared to Cu-only evaporation when the total flux density of supplied metals and the oxygen plasma conditions were similar. It was also found that elemental Ba or Nd deposited on a CuO film at room temperature deoxidized the CuO.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740190168
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Hydrocarbon fermentations using Candida lipolytica. I: Basic growth parameters for batch and continuous culture conditions (1971)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 13 (1971), S. 741-760 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Candida lipolytica (strain ATCC 8661) was grown on a simple defined medium with n-dodecane as sole carbon source under batch and continuous fermentation conditions. The composition of cellular material recovered from the fermentations, the oxygen demand of the cells, and the effect of operating conditions on cell growth were evaluated experimentally. These basic data are presented and discussed.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260130603
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Hydrocarbon fermentations using Candida lipolytica. II: A model for cell growth kinetics (1971)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 13 (1971), S. 761-778 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A mechanistic model is presented for the growth kinetics of a yeast grown by submerged aerobic fermentation using a liquid hydrocarbon as sole carbon source. The model is based on the assumption that cell growth is governed by the extent of probable cell attachment at the hydrocarbon oil-droplet surfaces in a four-phase dispersion. An analytical expression has been developed for the model. It is shown that for the case of relatively small oil droplets, the model predicts the present and previous experimental data for growth of yeasts (Candida species) in n-alkane systems. The model is further examined for maximal growth in terms of substrate dilution rate and agitation power consumption for a continuous fermentation process.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260130604
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    Paper (German National Licenses)
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