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  • 1990-1994  (2)
  • 1994  (1)
  • 1993  (1)
  • cognitive function  (1)
  • network model  (1)
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  • 1990-1994  (2)
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  • 1994  (1)
  • 1993  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Large strain torsion of axially-constrained solid rubber bars (1994)
    Springer
    Acta mechanica Sinica 10 (1994), S. 136-149 
    Details
    ISSN: 1614-3116
    Keywords: rubber ; network model ; large strain torsion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Large strain fixed-end torsion of circular solid rubber bars is studied semi-analytically. The analyses are based on various non-Gaussian network models for rubber elasticity, some of which were proposed very recently. Results are presented in terms of predicted torque vs. twist curves and axial force vs. twist curves. In some cases, the predicted stress distributions are also given. The sensitivity of the second-order axial force to the employed models is considered. The predicted results are compared with experimental results found in the literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02486584
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The effect ofl-deprenyl on behavior, cognitive function, and biogenic amines in the dog (1993)
    Springer
    Neurochemical research 18 (1993), S. 1211-1219 
    Details
    ISSN: 1573-6903
    Keywords: l-Deprenyl ; monoamine oxidase ; dopamine ; cognitive function ; dog
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Behavioral and pharmacological effects of oral administration ofl-deprenyl in the dog are described. Spontaneous behavior is unaffected at doses below 3 mg/kg while at higher doses there was stereotypical responding. There was evidence of improved cognitive function in animals chronically treated with a 1 mg/kg dose but the effectiveness varied considerably between subjects. Chronic administration produced a dose dependent inhibition in brain, kidney and liver monoamine oxidase B, and had no effect on monoamine oxidase A. There were also dose dependent increases in brain phenylethylamine and in plasma levels of amphetamine. Dog platelets did not have significant levels of MAO-B. Brain dopamine and serotonin metabolism were unaffected byl-deprenyl at doses up to 1 mg/kg. It appears that for the dog, deamination of catecholamines is controlled by MAO-A. Nevertheless, it is suggested thatl-deprenyl serves as a dopaminergic agonist, and there is also evidence that it affects adrenergic transmission. These catecholaminergic actions may account for the effects ofl-deprenyl on behavior and cognitive function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00975038
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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