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  • Nature Publishing Group  (140)
  • American Meteorological Society
  • Societe Geologique de France
  • 1980-1984
  • 1945-1949  (143)
  • 1949  (143)
  • 1
    Electronic Resource
    Electronic Resource
    Radioactive Phosphorus in Biochemical Research (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 719-719 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is generally required in radioactive tracer procedure when applied to biochemical problems that the stable and radioactive molecules or ions possess identical configurations. Only when the two isotopic atoms are supplied in the same chemical form can it be assumed that living tissues will ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163719a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Zinc Deficiency of Fruit Trees in Britain (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 801-802 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ZINC deficiency of fruit trees, which was first recognized by Chandler et al.1 in 1931, has since been reported as a serious trouble in many of the important fruit-growing countries of the world, particularly in the United States2 and Australia3,4,5. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164801a0
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  • 3
    Electronic Resource
    Electronic Resource
    ‘Knock’ in Internal Combustion Engines (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 370-371 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WORK on the effect of additives on the ‘knock’-limited compression ratios of a wide variety of fuels has shown that there are at least two mechanisms whereby a fuel may ‘knock’. One appears to correspond to the ‘high’- and one to the ‘low’-temperature ignition process discovered1 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163370a0
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  • 4
    Electronic Resource
    Electronic Resource
    Location of Radioactive Penicillin in Staphylococcus aureus after Contact with the Drug (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 842-843 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE lethal effect on bacteria of mechanical shaking with very small glass beads has been described by King and Alexander1. The morphological picture obtained after subjecting the organisms to such treatment, and the usefulness of the method for producing relatively pure ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164842a0
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  • 5
    Electronic Resource
    Electronic Resource
    Parahydrogen Catalysis by Transition Metals (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 578-579 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have made experiments to test the hypothesis put forward in a recent review article1 that the activation of hydrogen gas by the transition metals is connected with the presence of unpaired d-electrons or holes in the electronic d-band of the metal. In the first place, we ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164578a0
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  • 6
    Electronic Resource
    Electronic Resource
    Use of Radioactive Cobalt for Sphere Gap Irradiation (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 356-357 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN many cases where sphere gaps are used for voltage measurement, and particularly where the impressed voltage wave is a short impulse, it is important to provide adequate external irradiation, or the behaviour of the test gap may be erratic and the measurements accordingly inaccurate. If a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164356b0
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  • 7
    Electronic Resource
    Electronic Resource
    Investigations with Radioactive Penicillin (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 480-481 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MUCH of the published data regarding the mode of action of penicillin is necessarily concerned with secondary effects on bacteria, for example, rate of killing under different conditions, morphological changes, etc. By use of radioactive penicillin, it should be possible to find out directly ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163480b0
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  • 8
    Electronic Resource
    Electronic Resource
    Amino-Acid Composition of Salmine (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 689-690 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A DETAILED chemical analysis of the amino-acid composition of salmine (from a commercial source) was presented by Block and Boiling1, who used chemical and microbiological techniques. The amino-acids found were arginine, alanine, isoleucine, proline, serine and valine. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163689b0
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  • 9
    Electronic Resource
    Electronic Resource
    Hypersonic Velocity in Acetone at Low Temperatures (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 67-68 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FRENKEL1 has given a critical discussion of the differences in behaviour between hypersonic and ultrasonic disturbances in liquids. Quoting Rao2,3 and Raman and Venkateswaran4, the statement is made that glycerine and carbon tetrachloride both yield ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164067a0
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  • 10
    Electronic Resource
    Electronic Resource
    Triassic Plant Remains from the Salt Range in the Punjab (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 914-914 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. SITHOLEY1 has described some “bivalved structures” from the Triassic of the Salt Range in the Punjab, which he says “are remarkably like the alga Cosmarium”; but he admits that “the latter is far too small to be compared with them”. He then compares these structures to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163914a0
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