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  • 1
    Electronic Resource
    Electronic Resource
    First observation of lasing at 231 Å in neon-like nickel using the prepulse technique (1993)
    Springer
    Applied physics 57 (1993), S. 309-311 
    Details
    ISSN: 1432-0649
    Keywords: 42.60.By ; 32.30.Rj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report lasing for the first time in nickel on the neon-like J=0→1, 3p→3s transition at 231 Å as well as several weaker transitions including the J=2»1 lines at 298 Å and 304 Å. Amplification is seen only when the prepulse technique of using a low intensity prepulse before the main optical drive pulse is used to illuminate the nickel target. The prepulse technique is also shown to produce lasing in copper and dramatically improve the output of the germanium laser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00332454
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of Photoetching on Porous Silicon Morphology (1997)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 25 (1997), S. 677-682 
    Details
    ISSN: 0142-2421
    Keywords: silicon ; light irradiation ; surface tension ; transmission electron microscopy ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: The morphological differences between porous silicon formed in the dark or under illumination have been studied by means of gravimetric measurements, transmission electron microscopy, infrared spectroscopy and cyclic voltammetry. Photoetching has been found to give rise to a complex surface structure, due to the presence of narrower outer silicon fibres, which suffer a more severe cracking process upon drying. © 1997 by John Wiley & Sons, Ltd.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 3
    Electronic Resource
    Electronic Resource
    Oxygen Kinetic and Metabolic Parameters for the Yeast Trigonopsis variabilis (1997)
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 68 (1997), S. 243-246 
    Details
    ISSN: 0268-2575
    Keywords: Trigonopsis variabilis ; oxygen consumption ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: The metabolic and kinetic parameters of oxygen consumption by the yeast Trigonopsis variabilis under conditions of induced and non-induced D-amino acid oxidase are described for the first time. These parameters can be calculated from the results of a single batch fermentation running at an oxygen-limiting condition. The values obtained for the parameters may be used as a basis for the calculation of the aeration and stirring requirements and optimal oxygen conditions for the growth of T. variabilis in batch, fed-batch or continuous fermentations. © 1997 SCI.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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