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  • Nature Publishing Group  (39)
  • Cambridge University Press  (8)
  • 1980-1984
  • 1940-1944  (47)
  • 1942  (47)
  • 1
    Electronic Resource
    Electronic Resource
    ‘Firmness’ in Compression and Tension (1942)
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 412-413 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ATTENTION was directed some time ago1 to the applicability of Scott-Blair's equation, ψ = sβσ−1tk (s is shearing stress, σ is strain, t is time, ψ is firmness, k and β are constants) for the ‘firmness’ of soft materials2 to tests in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/149412b0
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  • 2
    Electronic Resource
    Electronic Resource
    Quantum Theory and Diffuse X-Ray Reflexions (1942)
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 373-374 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE origin of certain anomalous X-ray reflexions' J. that is to say, intensity maxima the presence of which cannot be explained by the usual diffraction theory, has recently been the subject of investigation in many laboratories. Some account of the work carried out in Great Britain was given at a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/149373a0
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  • 3
    Electronic Resource
    Electronic Resource
    Physiology of the Amino Acids (1942)
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 342-345 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE number of proteins in the animal and vegetable world appears to be infinite. Yet they are all constructed of a relatively few units, namely, the amino acids. These amino acids in number are about equal to the letters of the alphabet. They have an extraordinary facility for being joined in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/149342a0
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  • 4
    Electronic Resource
    Electronic Resource
    Chromosome Chemistry and Gene Action (1942)
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 66-69 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THROUGHOUT plants and animals the cell1nucleus has a uniformity of structure correspond-ing to the uniformity of its work. This structurehas to reconcile the mechanical requirements of celldivision and reproduction with the physiologicalrequirements of heredity and development. Itsprimary ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/149066a0
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  • 5
    Electronic Resource
    Electronic Resource
    Klino-kinesis in Paramecium (1942)
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 78-79 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MR. YAPP'S communication on this subject1 is of considerable interest because it suggests that temperature may be a more suitable stimulus than pH for making a quantitative investigation of klino-kinesis in Paramecium. A quantitative study is required to discover how completely ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/149078b0
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  • 6
    Electronic Resource
    Electronic Resource
    Electron Lenses (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 650-652 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AS soon as H. Busch had established the analogy between axially symmetrical electromagnetic fields and optical lenses, a question very naturally suggested itself: "Can we make electron lenses as perfect as the highly corrected lenses of modern optics ?" Compared with light optics the new science ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150650a0
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  • 7
    Electronic Resource
    Electronic Resource
    Mechanism of Metallic Friction (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 197-199 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AN experimental investigation of the kinetic friction of non-lubricated metals has shown that, in general, friction cannot be regarded as a surface effect. Penetration and distortion occur to some depth beneath the surface, and the frictional force and the nature of sliding are both influenced by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150197a0
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  • 8
    Electronic Resource
    Electronic Resource
    A New Active Constituent of Pyrethrum Flower (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 153-153 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE pyrethrin content as determined by the chemical process is the only factor that influences the market value of pyrethrum, as it is held that a close relationship exists between the amount of pyrethrin present and the number of insects killed. The results of our experiments (see graph) ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150153a0
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  • 9
    Electronic Resource
    Electronic Resource
    Future of the Milk Industry (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 41-44 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE future of the milk industry in Great Britain is the key to two matters of extraordinary national importance. Its future is, by and large, the future of national nutrition; its future is, no less, the future of British farming. An expanding milk industry is our best guarantee of a steady ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150041a0
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  • 10
    Electronic Resource
    Electronic Resource
    Homology of the Campaniform Organs on the Wing of Drosophila melanogaster (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 375-375 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the normal wing of Drosophila the campaniform sensilla have been noted by McEwen1, and have been shortly described by Hertweck2 who termed them “kuppelformige Organe”. They are arranged in well-defined positions which include several large groups at the base of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150375a0
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