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  • 1975-1979  (5)
  • 1880-1889
  • 1979  (3)
  • 1975  (2)
  • 1
    Electronic Resource
    Electronic Resource
    The reaction238U +238U at 7.42MeV/u (1979)
    Springer
    The European physical journal 292 (1979), S. 171-189 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract One-particle-inclusive measurements have been performed for the charge, kinetic energy and angular distributions of reaction products from238U +238U at 1 766MeV (7.42MeV/u) incident energy. The deep inelastic products exhibit features similar to those seen in reactions induced by medium heavy nuclei: increasing particle transfer is observed with increasing energy damping, the angular distributions are peaked near the grazing angle, they broaden significantly with increasing energy loss and/or charge transfer. The dominant reaction mechanism, however, is found to be sequential fission of one or both primary reaction products. The reconstructed primaryZ- andQ-value distributions show more particle transfer at a given energy loss than in other systems, i.e. the diffusion process seems to proceed colder in this system. This is confirmed by relatively large cross sections for surviving deep inelastic reaction products belowZ=92. A direct search forα-decay or fission of superheavy nuclei being produced in a deep inelastic reaction and being implanted in a surface barrier detector resulted in an upper cross section limit of 2 ×10−32cm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01441624
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of adrenalectomy, total body X-irradiation and dexamethasone on the amount of CRF-Granules and “classical” neurosecretory material in the rat neurohypophysis (1975)
    Springer
    Anatomy and embryology 148 (1975), S. 267-278 
    Details
    ISSN: 1432-0568
    Keywords: Corticotropin releasing factor ; Neurosecretion ; Hypophysis ; X-irradiation ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 195 female Wistar rats the influence of adrenalectomy, total body X-irradiation and dexamethasone treatment on the amount of CRF-granules in the external zone of the median eminence and “classical” neurosecretory material (NSM) in the internal zone of the median and in the posterior lobe of the hypophysis has been studied. In the normal rat only very few CRF-granules occur. 15 days after adrenalectomy increased amounts of CRF-granules but normal amounts of “classical” NSM are found. X-irradiation leads to a slight diminishment of “classical” NSM in normal rats. In adrenalectomized animals X-irradiation causes no changes in the amount of “classical” NSM but a marked decrease in the amount of CRF-granules. Application of dexamethasone from the 15th to 18th day after adrenalectomy enhances the augmentation of CRF-granules in irradiated and non-irradiated rats but does not influence the amount of “classical” NSM. The findings show that no correlation exists between the quantitative changes of CRF-granules and “classical” NSM under the experimental conditions used. Therefore it is to be assumed that the release of the two substances is regulated by different control mechanisms and that the substances have a different functional significance. The observations do not exclude the possibility that CRF-granules and “classical” NSM are biochemically identical.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00319847
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1979)
    Springer
    Naturwissenschaften 66 (1979), S. 118-120 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00373513
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Gomori-positive elementary granules in inner and outer layer of the infundibulum (1975)
    Springer
    Cell & tissue research 163 (1975), S. 503-508 
    Details
    ISSN: 1432-0878
    Keywords: Infundibulum ; Gomori-positive elementary granules ; Mammals ; Birds ; Fish
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary With the gallocyanine technique (Wittkowski, Bock and Franken, 1970) Gomori-positive substances of the infundibulum can be stained for light- and electron-microscopic examination. In various mammalian species, the size of Gomori-positive elementary granules in the outer layer is markedly different from that in the inner layer of the infundibulum. In general, the granules of the outer layer have less then half the diameter of those of the inner layer. In birds and fish, however, only small differences were found between the granules of both layers. The significance of the results is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218495
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A lod score method for detecting linkage on the X chromosome between a marker locus and a major gene locus for a quantitative character (1979)
    Springer
    Behavior genetics 9 (1979), S. 139-149 
    Details
    ISSN: 1573-3297
    Keywords: linkage ; X chromosome ; lod score ; quantitative character ; major gene ; marker locus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract A sequential lod-score method is proposed for detecting linkage on the X chromosome between a marker locus and the locus of a major gene influencing a quantitative trait. The method uses information from sons of doubly heterozygous mothers. The average number of families required to detect linkage is substantially less than that of the fixed sample-size method proposed by Hill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01071297
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    Paper (German National Licenses)
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