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  • Electronic Resource  (4)
  • 1995-1999  (4)
  • 1965-1969
  • 1998  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Investigation of parallel computation in 3D magnetic field analysis on distributed memory type of multiprocessors containing 296 PUs (1998)
    Bradford : Emerald
    Compel 17 (1998), S. 726-731 
    Details
    ISSN: 0332-1649
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology , Mathematics
    Notes: The algorithm of parallelized conjugate gradient method for solving large-scale linear equations is investigated. The performance of the algorithm is evaluated by solving sparse and full matrices on distributed memory type of parallel computer containing 296PUs. It is shown that the speed-up ratio of the parallel computation of sparse matrix is saturated at several ten PUs due to large broadcasting time of data among PUs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03321649810221288
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Examination of optimal design method using die press model (problem 25) (1998)
    Bradford : Emerald
    Compel 17 (1998), S. 595-601 
    Details
    ISSN: 0332-1649
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology , Mathematics
    Notes: Factors affecting convergence of the simulated annealing method are investigated using an actual model. The convergence characteristics of various optimization methods are examined using the contour line of objective function. Two kinds of combination methods with the simulated annealing method and the Rosenbrock's method are investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03321649810222430
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Successful methotrexate therapy for adult Still's disease with Marked thrombocytopenia (1998)
    Springer
    Clinical rheumatology 17 (1998), S. 256-257 
    Details
    ISSN: 1434-9949
    Keywords: Adult Still's disease ; Methotrexate ; Prednisolone ; Thrombocytopenia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 34-year-old Japanese woman developed spiking fever, splenomegaly, arthritis, neutrophilia, hyperferritinaemia (22517 ng/ml), elevated C-reactive protein (9.1 mg/ml) and severe thrombocytopenia (1.7×104/μl). The patient had depressed antithrombin III activity and abnormally high concentrations of both fibrin degradation products and thrombin-antithrombin complexes. This condition was resistant to high-dose prednisolone therapy (120 mg/day) and non-steroidal anti-inflammatory drugs. We initiated oral methotrexate therapy (7.5 mg/week, orally) with a favourable outcome. The patient's spiking fever subsided on the first day of methotrexate administration. Elevated levels of ferritin and C-reactive protein in the sera rapidly normalised. Methotrexate rapidly improved the disease state which suggested that methotrexate act via modulation of cytokine production or secretion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01451061
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Fast fission mechanism and duality of the diffusion process (1998)
    Springer
    The European physical journal 3 (1998), S. 281-292 
    Details
    ISSN: 1434-601X
    Keywords: PACS: 25.70.Jj Fusion and fusion-fission reactions – 25.85.Ge Charged-particle-induced fission
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The reaction of 238U with 12C was studied radiochemically with the purpose of elucidating fast fission characteristics. From the difference in the mass distribution below and above the critical energy where fast fission is predicted to set in, fast fission component was extracted in far-asymmetric mass region and interpreted as the mass diffusion following the Fokker-Planck equation. Anomalous charge dispersion widths in the corresponding mass region and a sudden increase of the whole mass distribution width at the critical energy were also observed to support the above result. The reaction time of fast fission deduced from the width and position of the mass distribution was 5×10−21s as well by taking into account the effect of neutron emission during the diffusion process, which turned out to be more than one order of magnitude longer than the corresponding life time of typical deep inelastic scattering but substantially short compared to ordinary fusion-fission life time. Evaluation of the driving potential for mass drift required dinuclear configuration be of an elongated or deformed form for fast fission in contrast to a more compact form for the deep-inelastic process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500050179
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    Paper (German National Licenses)
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