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  • 1965-1969  (7)
  • 1967  (7)
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  • 1965-1969  (7)
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  • 1
    facet.materialart.
    Unknown
    Camden, N. J. : Periodicals Archive Online (PAO)
    Social Research. 34:4 (1967:Winter) 660 
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 273-274 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have studied the rate of disappearance of styrene dilatometrically in the concentration range 3 x 10-1-l x 10 -2 mole I.-1 for the same system at the same temperature and find somewhat more complex behaviour (see Fig. 1). In the region where we can most accurately measure the monomer ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 216 (1967), S. 1119-1120 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Weanling guinea-pigs, Hartley-Dunkin albino strain, weighing 167-220 g, were divided into two groups; one was fed a standard diet, the other received a scorbutogenic diet2 supplemented with autoclaved reconstituted milk and green vegetables. Control animals gained weight, while those on the ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 37 (1967), S. 169-174 
    ISSN: 1432-2242
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Es wird über ein umfassendes Züchtungssystem berichtet, das von der Kenya Maize Research Section entwickelt und angewendet wurde. Es umfaßt folgende 4 Hauptphasen: 1. Beurteilung lokaler und fremder Sorten, um das beste Zuchtmaterial verfügbar zu haben. 2. Zusammenstellung des ausgewählten Zuchtmaterials in zwei oder mehr Populationen oder Sorten derart, daß jede Population bezüglich der zu verbessernden Merkmale eine erhebliche genetische Variation aufweist und die Kreuzungen dieser Populationen Heterosiseffekte ergeben. 3. Rekurrente Selektion in jeder Population, um die Häufigkeit brauchbarer Gene zu erhöhen und damit die Populationen und Populationskreuzungen mit jedem Selektionszyklus zu verbessern. 4. Entwicklung einer Handelssorte auf einem der folgenden Wege: a) Kreuzung von 2 Populationen als Sortenhybride, b) Hybriden aus Einzel-, Dreiweg-oder Doppelkreuzungen von Inzuchtlinien, die nach jedem Selektionszyklus aus Elitematerial entwickelt wurden, oder c) eine synthetische Sorte aus einer fortgeschrittenen Generation der Populationskreuzung in Gebieten, wo eine Hybriderzeugung noch nicht möglich ist. Es werden vorläufige Ergebnisse mitgeteilt, die anzeigen, daß eine züchterische Verbesserung des Maises bei Anwendung dieses Systems möglich ist. Darüber hinaus wird die mögliche Anwendung dieses Systems auf andere Fruchtarten kurz besprochen.
    Notes: Summary An outline of a comprehensive breeding system developed and used by the Kenya Maize Research Section is presented. This system has four main phases: 1. Evaluation of local and exotic varieties so that the breeding material is the best available. 2. Compositing the selected breeding material into two or more populations or varieties in such a manner that each population has considerable genetic variation for the traits requiring improvement and that the crosses of these populations will show heterosis. 3. Recurrent selection in each population to increase the frequency of favorable genes so that the populations and population crosses are improved with each cycle of selection. 4. Release of a commercial variety of one of the following forms: (a) the cross of two populations as a variety cross hybrid; (b) single, three-way or double cross hybrids from inbred lines developed from the elite material after each cycle of selection; or (c) a synthetic variety derived from the advanced generation of the population cross in areas where hybrid production is not yet feasible. Preliminary results are presented to indicate the improvement possible in maize by use of this system. Its possible extension to other crops is also briefly discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical chemistry accounts 8 (1967), S. 281-284 
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Dieser Teil der Reihe gibt die Ergebnisse von SCF-Rechnungen für offene Schalen am C, N, O und F an.
    Abstract: Résumé Cette partie de la suite d'articles présente les résultats obtenus par des calculs SCF à couches ouvertes sur les atomet C, N, O et F.
    Notes: Abstract This part of the series presents the results obtained by open shell SCF computations on the G, N, O, and F Atoms.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 12 (1967), S. 1025-1028 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two patients were described in whom cerebral venous thrombosis occurred in the presence of ulcerative colitis. Evidence was presented to suggest that this is more than a chance association. The diagnosis was confirmed in 1 patient at craniotomy and in the other at postmortem examination following a fatal pulmonary embolism. Possible etiologic factors were discussed.
    Type of Medium: Electronic Resource
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