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  • 1
    Electronic Resource
    Electronic Resource
    Differential Effect of 2-Benzoylbenzoic Acid and its Derivatives upon Plant Species (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 974-975 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the time of the discovery of the selective herbicidal activity of (i) the substituted phenoxy-acetic acids1,2 and (ii) the arylcarbamic esters3,4, many other chemical types were examined, and 2-benzoylbenzoic acid and its derivatives received considerable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161974a0
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  • 2
    Electronic Resource
    Electronic Resource
    A Synthesis of Pteridine (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 524-525 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH many derivatives of pteridine, both natural and synthetic, are known, the parent substance pteridine (I) does not appear to have been described. This substance has now been prepared by the condensation of 4: 5-diaminopyrimidine with glyoxal bisulphite. 4: 5-Diaminopyrimidine has ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162524b0
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  • 3
    Electronic Resource
    Electronic Resource
    Colour Reagents for the Paper Chromatography of Sugars (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 239-240 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE application of paper chromatography to the separation1, identification, and quantitative micro-determination2 of the sugars, in investigations of the carbohydrate group, is an advance of no small importance. However, the use of ammoniacal silver nitrate, which ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161239a0
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  • 4
    Electronic Resource
    Electronic Resource
    A Variable Phase-Contrast System for Microscopy (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 880-881 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PHASE-CONTRAST effects occur when the paths of the dioptric and diffracted rays between object and image differ sufficiently to produce some degree of interference. Were it possible to polarize the diffracted rays and dioptric rays at right angles to one another, a path difference could be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159880a0
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  • 5
    Electronic Resource
    Electronic Resource
    Self-Recovery of Metals (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 203-203 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN two recent communications in Nature1,2, evidence from X-ray photographs was given on the annealing of filed copper powder at room temperature. Similar observations of other investigators were also mentioned (the authors, however, omitted to mention the detailed investigation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159203a0
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  • 6
    Electronic Resource
    Electronic Resource
    Intrinsic Electric Strength of Polythene (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 29-30 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE work of Austen and Pelzer1 on the use of recessed specimens for measurement of the electric strength of dielectrics suggested that with specimens of this type experimental verification of the theories of breakdown developed by Frohlich and von Hippel2,3 might ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159029a0
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  • 7
    Electronic Resource
    Electronic Resource
    Distribution Patterns in European Basidio-mycetes with Reference to Some British Species (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 1015-1016 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NINETEENTH CENTURY mycologists, impressed by the wide distribution of agarics and polypores, were inclined to regard them as truly cosmopolitan. Subsequent experience has modified this view by indicating that, at least as regards Basidiomycetes, the flora of tropical regions does not usually ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1611015b0
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  • 8
    Electronic Resource
    Electronic Resource
    ‘Semaphore’ Numerals (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 807-807 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ENOUGH is now known, as the Royal Society discussion on the subject on March 4 made clear [see Nature, May 8, p. 712], about the logical, physical and mechanical principles, and of the engineering, to make the existence of a number of high-speed digital computing machines a matter of time, and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161807a0
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  • 9
    Electronic Resource
    Electronic Resource
    Growth of ‘Stimulated Crystals’ and Rate of Nucleation during Recrystallization of Aluminium (1947)
    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 398-399 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a fundamental paper, Anderson and Mehl1 deduce from their measurements the rate of nucleation (N) (that is, the number of new grains formed per unit time in unit area) and the rate of growth during recrystallization of aluminium (G). The following remarks deal only with the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/160398a0
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  • 10
    Electronic Resource
    Electronic Resource
    Shape of Hæmocyanin Molecules (1947)
    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 153-154 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a previous communication1 it was shown that the electron microscope can record the individual molecules in a solution of the respiratory protein from Limulus polyphemus. An unexplained feature of these photographs was the fact that the diameters of the molecular images were ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/160153b0
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