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  • Articles: DFG German National Licenses  (4)
  • 1970-1974  (1)
  • 1950-1954  (3)
Source
  • Articles: DFG German National Licenses  (4)
Material
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 73 (1951), S. 4057-4058 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 68-69 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE, Wager in St. Kilda and a little later Bailey at Slieve Gullion, have recently been led, quite independently, to a novel conclusion concerning local inter-relations of certain basic and acid igneous rocks belonging to the British Tertiary province. Evidence from opposite ends of the province, ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 836-836 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Under the microscope, the red coloration of the altered base is seen to be due to a close precipitation of iron ore powder. The paler areas are rich in leucoxene. The pseudomorphed felspars are replaced by some mineral of the chlorite-serpentine category, which also seems to furnish the main ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Behavior genetics 3 (1973), S. 45-55 
    ISSN: 1573-3297
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract Divergent selection for T-maze learning activity of mice was applied for five generations. Selection started in the F2 generation from a cross of two highly inbred lines (SWR and C57BL) and was based on an index which contained information from both individual and family performance. The overall heritability coefficient, estimated from intraclass coefficients for full sibs and adjusted for inbreeding, was low (h 2=0.13±0.04). This low heritability emphasizes the role of family performance for effective selection in such a behavioral pattern. The regression on trial order showed an increase of these estimates in the faster group (selected for shorter time performance) and a decrease in the slower group (selected for longer time performance). Learning rate and also the approach to the asymptote were more pronounced in the slower group. Selection based on the mean from ten trials affected the initial performances more than the final performances. This was especially true in the slower group. The differences between groups in the number of errorless approaches to the goal box were significant after three generations of divergent selection.
    Type of Medium: Electronic Resource
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