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Träfflista för sökning "WFRF:(Fischer E) srt2:(1995-1999)"

Sökning: WFRF:(Fischer E) > (1995-1999)

  • Resultat 11-18 av 18
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11.
  • Evangelista, C, et al. (författare)
  • Study of the reaction (p)over-bar-p ->phi phi from 1.1 to 2.0 GeV/c
  • 1998
  • Ingår i: PHYSICAL REVIEW D. - : AMERICAN PHYSICAL SOC. - 0556-2821. ; 57:9, s. 5370-5381
  • Tidskriftsartikel (refereegranskat)abstract
    • A study has been performed of the reaction <(p)over bar p>-->4K(+/-) using in-flight antiprotons from 1.1 to 2.0 GeV/c incident momentum interacting with a hydrogen jet target. The reaction is dominated by the production of a pair of phi mesons. The <(p)o
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  • Felder, E, et al. (författare)
  • Quantitative evaluation of cochlear neurons and computer-aided three-dimensional reconstruction of spiral ganglion cells in humans with a peripheral loss of nerve fibres
  • 1997
  • Ingår i: Hearing Research. - 0378-5955 .- 1878-5891. ; 105:1-2, s. 183-190
  • Tidskriftsartikel (refereegranskat)abstract
    • Quantitative data on human cochlear neuronal elements were collected from various regions in five patients with high-tone hearing loss due to presbycusis and in two patients with normal hearing. The number of nerve fibers was assessed in the spiral lamina and in the inner acoustic meatus together with counts of spiral ganglion cells. The results show that the number of neurons decreased peripherally, i.e., with increasing distance from the central nervous system in patients with high-tone hearing loss due to presbycusis. In two patients with normal hearing no significant difference in the number of neurons was found in the lamina spiralis as compared to the inner acoustic canal. Computer-aided 3-dimensional reconstruction of the human spiral ganglion displayed large bipolar neurons (type I cells), but also large ganglion cells with one missing axon. The results may indicate that a slow retrograde degeneration occurs from the periphery towards the spiral ganglion in presbycusis. Transmission electron microscopy analysis of freshly fixed human spiral ganglions displayed interneural connections. It is speculated whether a trophic supply from other neurons at the level of the spiral ganglion can prevent or delay further degeneration of the central axon.
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16.
  • Lundin, Anders, et al. (författare)
  • Compressibility of C61D2 up to 1 GPa in the temperature range 175 - 345 K
  • 1996
  • Ingår i: Carbon. - : Elsevier Science Ltd.. - 0008-6223 .- 1873-3891. ; 34:9, s. 1119-1121
  • Tidskriftsartikel (refereegranskat)abstract
    • We have measured the bulk modulus K for C61D2 up to 1 GPa in the temperature range 175–343 K. For face-centered cubic C61D2 above 290 K, we find an anomalously low value for K below about 0.15 GPa, possibly indicating pressure-induced changes in the structure. The (extrapolated) zero-p bulk modulus K(0) decreases with increasing T from 6.7 GPa at 175 K to 5.2 GPa at 343 K. A comparison with hypothetical expanded f.c.c. C60 with the same lattice constant shows that K(0) values are similar, indicating that the main intermolecular interactions are still between molecular bellies, not the sidegroups.
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  • Resultat 11-18 av 18

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