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  • 1990-1994
  • 1985-1989
  • 1975-1979  (2)
  • 1955-1959
  • 73  (1)
  • Burst parameters  (1)
  • 1
    Electronic Resource
    Electronic Resource
    On Hall voltage and change of conductivity in transverse magnetic fields of pressed PbO2 powder (1978)
    Springer
    Applied physics 17 (1978), S. 193-197 
    Details
    ISSN: 1432-0630
    Keywords: 73
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The electrical conductivity of a conducting powder is influenced by the properties of the grain surface as well as the grain core. By appropriate variation of pressure and electric frequency, the two contributions can be separated, as long as the grains have shapes nearly like spheres. From experimental data on pressed powders one can thus obtain information concerning carrier density and mobility of bulk material. Results for PbO2 obtained in this way agree well with the properties of bulk PbO2 samples reported in the literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00885255
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Parameters of the static burst discharge of lingual cold receptors in the cat (1979)
    Springer
    Pflügers Archiv 382 (1979), S. 1-5 
    Details
    ISSN: 1432-2013
    Keywords: Cold receptor ; Burst parameters ; Lingual nerve ; Static discharge
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Thermal stimuli were applied to the upper surface of the tongue of the cat. The stimuli ranged from 40°C to 10°C and were changed in cold steps of 5°C, each temperature lasting 2 min. Afferent impulses of single specific cold fibers from the lingual nerve were analysed by a computer program. About 90% of the fibers showed bursts under static conditions. The bursts began as doublets at the temperature of maximal average frequency. This temperature varied from 40°C to 15°C in different fibers, the average being 30°C. The parameters burst period, burst duration, pause duration, intraburst interval and spikes per burst increased monotonically from 30°C to 15°C. The possible physiological significance of the burst pattern is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00585897
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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