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  • Nature Publishing Group  (120)
  • 1930-1934  (120)
  • 1932  (51)
  • 1931  (30)
  • 1930  (39)
  • 1
    Electronic Resource
    Electronic Resource
    Optimum Dimensions of Short-wave Frame Aerials. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 407-407 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BECAUSE of the increasing use of short waves in present-day wireless practice, many investigators have studied the nature of the electromagnetic field at distances less than a wave-length from a radiating antenna. The importance of such investigations lies in the fact that a knowledge of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127407a0
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  • 2
    Electronic Resource
    Electronic Resource
    Electrode Potentials in Air-free Electrolyte. (1930)
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 914-915 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE following somewhat wide problem is of very considerable practical importance. What potential will a metal surface assume when it is immersed in a salt solution which contains none of its own ions, under different conditions of aeration, pH. and salt concentration, and what conditions ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/126914a0
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  • 3
    Electronic Resource
    Electronic Resource
    Surface Convection and the Distribution of Temperature near a Heated Surface. (1932)
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 201-202 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LAST summer we took some temperature measurements under the steady conditions prevailing at the epoch of diurnal maximum temperature above an asphalted road where inferior mirage could be seen on any clear day. The temperature variation with height above a hot surface was shortly afterwards ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/129201a0
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  • 4
    Electronic Resource
    Electronic Resource
    Wave-length of the Green Auroral Line Determined by the Interferometer. (1932)
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 23-23 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME years ago Babcock1 gave results of accurate measurements with an interferometer method of the green line which appears in the light from the night sky. We have reason to believe that this line is identical with the strong green line appearing in the auroral spectrum; but on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/129023a0
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  • 5
    Electronic Resource
    Electronic Resource
    General Expression for Intensity of Hydrogen Lines. (1932)
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 25-26 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE obtained a formula for the total intensity of hydrogen lines in the general case of the transition n→n′. The calculation is based on the principles set out in Sommerfeld's “Wave Mechanics” for the determination of intensities. The corresponding formulae for the special cases of n'= ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/129025c0
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  • 6
    Electronic Resource
    Electronic Resource
    Prehistoric Man in Kenya. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 814-815 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] READERS of NATURE will have seen in Sir Arthur Keith's new book entitled “New Discoveries relating to the Antiquity of Man” a chapter dealing with my discoveries in East Africa, and may have been sur-prised to find in it certain statements which cannot be reconciled with the accounts of these ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127814b0
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  • 7
    Electronic Resource
    Electronic Resource
    The Action of a Crystal as a Two-Dimensional Lattice in Diffracting Electrons. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 738-739 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] KIKUCHIl first described examples of electron diffraction in which a crystal appeared to behave as a two-dimensional or cross-grating. Very thin sheets of mica give an equilateral net-like pattern of diffracted beams on the photographic plate (the N pattern), as if the only ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127738a0
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  • 8
    Electronic Resource
    Electronic Resource
    The Behaviour of Antiknocks. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 591-591 
    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 agreed that it is the metallic radicle of an organometallic antiknock compound that is mainly responsible for the delaying of the oxidation of a combustible mixture. That the metal atom is in an oxidised state before it becomes effective, was an inference made on the basis of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127591b0
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  • 9
    Electronic Resource
    Electronic Resource
    Spectra of the Helium Glow Discharge. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 593-593 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For some time past we have been investigating the cold cathode glow discharge in helium with probe wires, for approximately ‘normal’ conditions at a pressure of about 1 mm. of mercury. The work with cathode falls in potential less than 100 volts is still incomplete, but two cases in which we ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127593a0
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  • 10
    Electronic Resource
    Electronic Resource
    Age of the Oldoway Bone Beds, Tanganyika Territory. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 724-724 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As readers of NATURE are aware, there has been a certain amount of controversy over the Oldoway skeleton found by one of us (Prof. Hans Reck) at Oldoway, in Tanganyika Territory, in 1913. In order to clear up this question if possible, and to try to find some data by means of which the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/128724a0
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