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  • Nature Publishing Group  (245)
  • Springer Science + Business Media
  • 1940-1944  (245)
  • 1
    Electronic Resource
    Electronic Resource
    Place-Exchange Theory of Plastic Flow, as Applied to Polymers (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 52-52 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE place-exchange theory of plastic flow was originally developed by Becker1, to account for the flow of metals. More recently a somewhat similar theory has teen advanced by Eyring2 to account for flow in polymeric materials. In the latter theory the flow process ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154052a0
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  • 2
    Electronic Resource
    Electronic Resource
    Mechanisms for the Relaxation Theory of Viscosity (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 428-428 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Powell and Eyring have shown that the form of the flow/stress relation observed by us may be described by the addition of a second flow-process. Since this second process is postulated to involve weak bonds, it will be Newtonian on their theory. We would note that the need to assume two ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154428a0
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  • 3
    Electronic Resource
    Electronic Resource
    Origin of the Frow Remedy for Acarine Disease of Honey Bees (1940)
    [s.l.] : Nature Publishing Group
    Nature 145 (1940), S. 824-824 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN 1927, Mr. R. W. Frow, of Wickenby, Lincolnshire, introduced the use of the remedy (since known by his name) as a cure for acarine disease. Mr. Frow informs one of us (A. D. B.) that he has no record of the origin of the formula, but believes that he read of it in a newspaper as a means of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/145824b0
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  • 4
    Electronic Resource
    Electronic Resource
    The Possibility of Detecting a Doubly-Charged Proton by the Photographic Method (1940)
    [s.l.] : Nature Publishing Group
    Nature 146 (1940), S. 777-777 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BHABHA1 has recently shown, on theoretical grounds, that there probably exists a proton having a double charge. Such a particle might be expected to occur in the nuclear explosions produced by cosmic rays, and it has been suggested that the most likely way of detecting it would ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/146777a0
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  • 5
    Electronic Resource
    Electronic Resource
    Parahydrogen Conversion on Tungsten (1940)
    [s.l.] : Nature Publishing Group
    Nature 146 (1940), S. 401-402 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS reaction1 has been reinvestigated using a reaction tube containing a second short filament adjacent to the catalyst filament, so that adsorbed films on the latter might be detected by a measurement of their contact potential2. In this way it was shown that the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/146401d0
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  • 6
    Electronic Resource
    Electronic Resource
    Thermodynamics of Friedel-Crafts, Reactions (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 85-85 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE the time of Gustavson1 and Menschutkin2 it has been known that salts of the AlCl3 type can give stable complex compounds with certain classes of organic compound. We have measured the heats of formation from the salt plus organic liquid of a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154085a0
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  • 7
    Electronic Resource
    Electronic Resource
    Mepacrine Derivatives in Urine (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 461-461 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN collaboration with the Army Malaria Research Unit, we have developed a technique for the quantitative separation by chromatographic means of mepacrine from urine and from blood. The separation is effected on alumina and is made visible by the intense fluorescence emitted, by acridine ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154461a0
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  • 8
    Electronic Resource
    Electronic Resource
    Crystal Structure of Phosphorus Pentachloride (1940)
    [s.l.] : Nature Publishing Group
    Nature 145 (1940), S. 149-149 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH much work has been done on the molecular structure of phosphorus pentachloride, no crystal structure determination of this important substance has previously been made, presumably owing to experimental difficulties. In our separate laboratories, independent X-ray diffraction ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/145149a0
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  • 9
    Electronic Resource
    Electronic Resource
    Anisotropy of Cellulose Sheet (1940)
    [s.l.] : Nature Publishing Group
    Nature 145 (1940), S. 67-67 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the results just published by Spence1on the optical anisotropy of films prepared from various esterified celluloses, it may be of interest to record some recent measurements on ‘Cellophane’ (regenerated cellulose) sheet. This material is observed to be optically ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/145067a0
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  • 10
    Electronic Resource
    Electronic Resource
    Utilisation of Nitrogen by Ophiobolus graminis (1940)
    [s.l.] : Nature Publishing Group
    Nature 145 (1940), S. 108-109 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE survival period of the fungus Ophiobolus graminis, causing the ‘take-all’ disease of wheat, in infected wheat straw buried in the soil is increased by the application of nitrogen in such forms as calcium nitrate, ammonium nitrate, ammonium sulphate, ammonium carbonate, and dried ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/145108b0
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