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  • 1995-1999  (3)
  • 05 C 15  (1)
  • 24.30.Cz  (1)
  • astaxanthin  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Description of isovector giant dipole resonances in relativistic Vlasov equation at small amplitude limit (1995)
    Springer
    The European physical journal 352 (1995), S. 119-126 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.−k ; 24.30.Cz ; 24.10Jv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A more general relativistic Vlasov equation has been derived in the framework of relativistic quantum hadron dynamical theory. In the small amplitude limit we use this Vlasov equation to study the isovector giant dipole resonances built on groundstate in spherical nuclei16O,40Ca,90Zn and208Pb. The results show that the spin-orbit coupling and the non-linear terms of scalar meson can influence the resonance energies to a certain extent comparing with those obtained from the non-relativistic Vlasov equation approach and are in good agreement with the experimental ones, especially for the case which vacuum fluctuation is included.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01298896
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Some remarks on (k−1)-critical subgraphs ofk-critical graphs (1995)
    Springer
    Combinatorica 15 (1995), S. 469-474 
    Details
    ISSN: 1439-6912
    Keywords: 05 C 15 ; 05 C 35
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A graphG is said to bek-critical if it has chromatic numberk, but every proper subgraph ofG has a (k−1)-coloring. Gallai asked whether every largek-critical graph contains many (k−1)-critical subgraphs. We provide some information concerning this question and some related questions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01192519
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Growth and carotenoid production of Phaffia Rhodozyma in fed-batch cultures with different feeding methods (1999)
    Springer
    Biotechnology letters 21 (1999), S. 175-178 
    Details
    ISSN: 1573-6776
    Keywords: Phaffia rhodozyma ; carotenoid ; astaxanthin ; fed-batch culture ; fermentation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The growth and carotenoid production of Phaffia rhodozyma in fed-batch cultures with different feeding methods and grown at specific growth rates similar to the batch culture was compared. With constant feeding, exponential feeding, DO-stat and pH-stat fed-batch cultures of Phaffia rhodozyma, the highest biomass (17.4 g/l) and lowest carotenoid content (307 μg/g cell) of Phaffia rhodozyma was from the DO-stat fed-batch culture. The lowest biomass (14.7 g/l) and highest carotenoid content (412 μg/g cell) was from the exponential, fed-batch culture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005487709974
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    Paper (German National Licenses)
    Fulltext
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