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  • 1
    Electronic Resource
    Electronic Resource
    Decay and polarization of luminescence pulses in the 336 nm emission band of KI-Tl (1982)
    Springer
    Applied physics 28 (1982), S. 59-62 
    Details
    ISSN: 1432-0630
    Keywords: 78.55 ; 71.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Model predictions for the impurity luminescence center in KI-Tl type crystals are found to agree with experimental results obtained by excitation of KI-Tl at 12K with polarized light pulses in the A and C impurity absorption band. On excitation in the C absorption band, as compared to the A band excitation, a noticeable initial population of the metastable M state has been observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00617783
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  • 2
    Electronic Resource
    Electronic Resource
    Constant-rate stocking of predator-prey systems (1981)
    Springer
    Journal of mathematical biology 11 (1981), S. 1-14 
    Details
    ISSN: 1432-1416
    Keywords: Ecological modelling ; Predator-prey systems ; Ordinary non-linear differential equations ; Stability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract We examine the qualitative effects of constant-rate stocking of either or both species in a predator-prey system. The hypotheses are made as mild as possible so that several types of systems with different qualitative alternatives may be studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00275820
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  • 3
    Electronic Resource
    Electronic Resource
    Coexistence properties of some predator-prey systems under constant rate harvesting and stocking (1982)
    Springer
    Journal of mathematical biology 12 (1982), S. 101-114 
    Details
    ISSN: 1432-1416
    Keywords: Predator-prey systems ; Harvesting ; Stability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract The global behaviour of a class of predator-prey systems, modelled by a pair of non-linear ordinary differential equations, under constant rate harvesting and/or stocking of both species, is presented. Theoretically possible structures and transitions are developed and validated by computer simulations. The results are presented as transition loci in the F-G (prey harvest rate-predator harvest rate) plane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00275206
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