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  • Chemistry  (1)
  • Electrolytes  (1)
  • Escherichia coli K-12
  • Haemorrhage
  • Doppler ultrasound
  • 1975-1979  (2)
  • 1
    ISSN: 1432-0533
    Keywords: Triethyltin ; Myelin ; Brain oedema ; CSF pressure ; Electrolytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Following a single intravenous (i.v.) injection of triethyltin (10 mg/kg) in rats, vacuoles appeared in the myelin sheath within 3 h and they progressively increased in size between 6 and 24h. Their development was closely correlated with a progressive increase in water, sodium, and chloride content of the brain, and of cerebrospinal fluid (CSF) pressure. Oedema was more extensive in tissues consisting predominantly of white matter rather than grey matter. The sustanined increase in CSF pressure did not precede the development of lesions and was the result of, rather than the cause of, brain oedema and swelling. These findings indicate that triethyltin has a direct effect on the myelin sheath.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 22 (1978), S. 419-427 
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The mechanical behavior of urea-formaldehyde foam was studied to evaluate its potential for energy absorption applications. The apparent elastic modulus (Ef) as a function of foam density was obtained from force-deformation tests. The values of energy absorption capacity were derived from a numerical integration technique. Poisson's ratio (v) was determined by a method of uniaxial compression of cylindrical samples. An increase in foam density results in an increase in the apparent elastic modulus of the material and therefore in its energy absorption capacity. Poisson's ratio is independent of the foam density. The mechanical properties' values obtained can be incorporated in various analyses for predicting desired characteristics for energy absorption applications.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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