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  • 2000-2004  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Anaerobic power and muscle strength characteristics of 11 years old elite and non-elite boys and girls from gymnastics, team handball, tennis and swimming (2002)
    Oxford, UK : Munksgaard International Publishers
    Scandinavian journal of medicine & science in sports 12 (2002), S. 0 
    Details
    ISSN: 1600-0838
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Sports Science
    Notes: The aim of the present investigation was to study the possible effects of specificity of training on muscle strength and anaerobic power in children from different sports and at different performance levels in relation to growth and maturation status. Hundred and eighty-four children of both gender participating either in swimming, tennis, team handball or gymnastics were recruited from the best clubs in Denmark. Within each sport, the coach had divided the children into an elite (E) and non-elite (NE) group according to performance level and talent. Tanner stage assessment and body weight and height measurements were performed by a physician. The anaerobic performances were assessed by Wingate tests and jumping performance in squat jump (SJ), countermovement jump (CMJ) and drop jump (DJ) from two heights. Most of the differences between groups in Wingate performance disappeared when the data were normalised to body mass. The gymnasts were the best jumpers and their superiority were increased in the more complex motor coordination tasks like DJ. The results may indicate some influence of training specificity, especially on the more complex motor tasks as DJ and there may be an effect of training before puberty. The performance in the less complex motor tasks like cycling and SJ and CMJ may also be influenced by specific training, but not to the same extent, and heritance may be an important factor for performance in these anaerobic tasks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0838.2002.01128.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Calcineurin Phosphatase Activity and Immunosuppression. A Review on the Role of Calcineurin Phosphatase Activity and the Immunosuppressive Effect of Cyclosporin A and Tacrolimus (2003)
    Oxford, UK : Blackwell Science Ltd
    Scandinavian journal of immunology 57 (2003), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The mode of immunosuppressive action of tacrolimus (FK506) and cyclosporin A has been elucidated. Both drugs bind to proteins in the cytoplasm to form complexes, which in turn inhibit the phosphatase activity of calcineurin, an important limiting step in the activation of T cells. The association between drug uptake (pharmacokinetics) and enzyme inhibition (pharmacodynamics) is under current investigation. Great variations in the correlation between blood drug levels and enzyme inhibition could indicate that monitoring calcineurin phosphatase activity for treatment might be superior to monitoring blood drug levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3083.2003.01221.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Transient heating of opaque and semitransparent materials by radiation during processing (2000)
    Springer
    Heat and mass transfer 36 (2000), S. 413-421 
    Details
    ISSN: 1432-1181
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Analysis is presented of transient heating of opaque and semitransparent (translucent) materials by external radiation sources. Such problems arise in materials processing and manufacturing applications. Dynamic temperature distributions are calculated in a plate (slab) of material by accounting for spectral nature of the radiation source and the radiative properties of the material. Effects of radiation properties influenced by the choice of material to be heated, chemical and mechanical treatment, radiation source temperature, and convective heat transfer are considered. Differences in temperature response of opaque and semitransparent materials are examined. It is shown that the temperature distribution in a semitransparent material heated by an external radiation source is more uniform than in an opaque material for otherwise the same conditions owing to the “long range” transport of radiation. Treatment of a semitransparent material as opaque results in an unrealistic prediction of temperature distribution when the material is heated by an infrared radiation source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002310000099
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    Paper (German National Licenses)
    Fulltext
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