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  • 11
    Electronic Resource
    Electronic Resource
    Pole terms and absorption in theP-wave pion-deuteron interaction (1980)
    Springer
    The European physical journal 296 (1980), S. 35-42 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We estimate the accuracy of the conventional ansatz of approximating the lowest order absorptiveP-wave pion-deuteron interactions by pole term amplitudes. By comparing the matrix elements of the approximate pole term and complete absorptive reaction amplitudes for elasticπd scattering we find the pole term approximation to lead to better than 10% accuracy for both theP 11 andP 33 state interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415612
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  • 12
    Electronic Resource
    Electronic Resource
    Postcrania and the specific mate recognition system (1993)
    Springer
    Human evolution 8 (1993), S. 281-289 
    Details
    ISSN: 1824-310X
    Keywords: Hominids ; Recognition Concept of Species ; Specific Mate Recognition System ; Postcrania
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The Recognition Concept of Species is examined for its potential usefulness in discriminating speciation events in the hominid fossil record. Controversies over species-specific characteristics amongHomo erectus and archaicHomo sapiens have centred on traits of the skull, largely because this element is most commonly preserved. Modern humans have an intuitive knowledge of their own Specific Mate Recognition System (SMRS), and therefore have the opportunity to compare their own SMRS to that of fossil hominids and the extent pongids. Such comparison suggests that our own skeletal SMRS may depend less on features of the skull than on the morphology of the postcranial anatomy. We propose that these components be further examined in this regard. We tentatively conclude that examination of the Recognition Concept of Species indicates that from lateHomo erectus onwards, the same SMRS has been shared in common by all hominids, including modernHomo sapiens. This suggests that, following the SMRS criterion, none of these forms can be categorized as separate species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02438118
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  • 13
    Electronic Resource
    Electronic Resource
    Electrical resistivity of a polyamide quinoxaline polymer (1981)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 26 (1981), S. 1437-1438 
    Details
    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
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1981.070260435
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    Paper (German National Licenses)
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