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  • Nature Publishing Group  (51)
  • 2020-2023
  • 1970-1974
  • 1965-1969
  • 1945-1949
  • 1935-1939  (51)
  • 1939  (51)
  • 11
    Electronic Resource
    Electronic Resource
    The Meson and Cosmology (1939)
    [s.l.] : Nature Publishing Group
    Nature 144 (1939), S. 548-548 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The mean life τ0 (τ0 ∼ 2.5 × 10−6 sec.) of a meson at rest gives us a new fundamental constant of the dimension of time which lies intermediate between the ‘atomic constant’ ... and the ‘cosmological constant’ t0 (t0 ∼ 2 × ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/144548a0
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  • 12
    Electronic Resource
    Electronic Resource
    Scattering of D—D Neutrons (1939)
    [s.l.] : Nature Publishing Group
    Nature 144 (1939), S. 509-510 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Experiments hitherto performed on the scattering cross-sections of various substances for D—D neutrons have led to fundamentally different results. Most observers have found that the cross-section σ increases regularly with the atomic number, and some have deduced from their results the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/144509b0
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  • 13
    Electronic Resource
    Electronic Resource
    A Derived Patterson Analysis of the Skeleton of the Cyclol C 2 Molecule (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 648-649 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENT publications by Wrinch1, and in particular by Wrinch and Langmuir2, have suggested that the Patterson analyses obtained by Crowfoot3 for air-dried insulin crystals can be interpreted with some precision if one assumes that the basis of the structure of the insulin molecule is the skeleton of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143648a0
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  • 14
    Electronic Resource
    Electronic Resource
    The Meson and its Transformation into Heavy Particles (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 796-797 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE meson or mesotron was first introduced by Yukawa to serve as the connecting link between β-ray disintegration and the forces responsible for nuclear binding. Subsequent work has identified it with the penetrating component of the cosmic rays, but the meson has not so far been observed in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143796a0
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  • 15
    Electronic Resource
    Electronic Resource
    Direct Perception of Pigment in the Nerve Tissue of Human Retina (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 333-333 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING spectroscopic study of a flavoprotein compound in heart muscle preparation, it was noticed that two diffuse absorption bands of the pigment remained always perceptible, however dilute was the preparation or thin the layer examined. Further observations have revealed that these two bands ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143333a0
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  • 16
    Electronic Resource
    Electronic Resource
    Reduction of Heart Flavoprotein (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 334-334 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE recently described1 the catalytic properties of a flavoprotein isolated from heart. At that time we were unable to observe the reduction of flavoprotein by reduced coenzyme I. We now find that, by eliminating coloured impurities in the various components of the catalytic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143334a0
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  • 17
    Electronic Resource
    Electronic Resource
    Intuition, Reason and Faith in Science (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 60-67 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM the earliest times scientific ideas, even when crudely conceived, have been of immeasurable importance, not only for man's material advancement and control over Nature, but also in modifying and expanding hisphilosophic and religious outlook. In the effort to obtain a better understanding of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143060a0
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  • 18
    Electronic Resource
    Electronic Resource
    Fundamental Vibration of a Rectangular Plate (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 27-28 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE higher overtones of vibrating plates sometimes combine when it so happens that the periods of two or more of them are very nearly equal. This phenomenon, which is of academic rather than of applied interest, has been fully studied for a free circular plate1. That the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143027a0
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  • 19
    Electronic Resource
    Electronic Resource
    A Novel Thermostat (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 240-240 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is often necessary to maintain an apparatus at a constant temperature. This may be done by immersing it in a circulating liquid maintained at a constant temperature by a thermostat, or by jacketing it with alternate shells of thermally conducting and insulating materials heated to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143240a0
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  • 20
    Electronic Resource
    Electronic Resource
    Mechanism of Decomposition of Hydrogen Peroxide by Catalase (1939)
    [s.l.] : Nature Publishing Group
    Nature 144 (1939), S. 787-788 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have recently suggested1 that the decomposition of hydrogen peroxide by catalase is brought about by thesuccessive reduction of the catalase iron by the peroxide and its re-oxidation by molecular oxygen; the reaction proceeding accordingto the following equations: ... The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/144787b0
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