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  • Nature Publishing Group  (20)
  • American Physical Society (APS)
  • 1935-1939  (11)
  • 1925-1929  (9)
  • 1
    Electronic Resource
    Electronic Resource
    Stereoscopic Photography (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 551-551 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN looking at a near object, the eyes are turned inwards. Therefore to procure a really natural stereoscopic view of two photographs of a near object, the eyes should be turned inwards at the same angle. To achieve this, the two photographs should be mounted in such a way that the corresponding ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136551b0
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  • 2
    Electronic Resource
    Electronic Resource
    Abnormal Strength of 2:6-Dihydroxybenzoic Acids (1936)
    [s.l.] : Nature Publishing Group
    Nature 137 (1936), S. 236-236 
    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 W. Ostwald1 showed that the electrolytic dissociation constants of the hydroxybenzoic acids vary greatly with the positions of the hydroxyl groups. Thus the dissociation constants of benzoic acid, and of those mono-, di- and tri-hydroxybenzoic acids, which do not ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/137236a0
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  • 3
    Electronic Resource
    Electronic Resource
    Variation of Intensity Ratios of Optically Excited Spectrum Lines with the Intensity of the Exciting Light (1927)
    [s.l.] : Nature Publishing Group
    Nature 120 (1927), S. 917-918 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE principle referred to by Prof. Wood in his letter to NATURE of Nov. 19, that the product of a two-stage absorption increases at first as the square of the intensity of the light, that of a three-stage absorption as the cube, and so on, is evidently capable of wide application. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/120917c0
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  • 4
    Electronic Resource
    Electronic Resource
    The Atomic Weight of Silver (1927)
    [s.l.] : Nature Publishing Group
    Nature 119 (1927), S. 703-703 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN reply to Prof. Brauner's criticism (NATURE, Mar. 5, p. 348, and April 9, p. 526) of our determination of the atomic weight of silver (J.C.S., 1926, 128, 2510), we have now investigated the volatility of silver and have most emphatically confirmed our original statement that no silver could ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/119703a0
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  • 5
    Electronic Resource
    Electronic Resource
    Measurement of Radiation Intensity by Photographic Methods (1927)
    [s.l.] : Nature Publishing Group
    Nature 119 (1927), S. 707-707 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a letter to NATURE of Jan. 16, 1926, p. 83, Dr. F. C. Toy criticised the use of calibration curves in photographic spectro-photometry: but the grounds for his objections were rather the difficulties in the way of adequate calibration than any quarrel with the main assumption involved, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/119707a0
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  • 6
    Electronic Resource
    Electronic Resource
    Role of Fungi and Actinomycetes in the Decomposition of Cellulose (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 522-523 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WAKSMAN1 has recently demonstrated, by cultural methods, the important role of fungi and actinomycetes in the breakdown of plant tissues in composts and dunghills. The details of the process, however, were not directly observed. I have previously2,3 described ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143522b0
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  • 7
    Electronic Resource
    Electronic Resource
    Increasing Winter Egg-Production in Spain more than a Hundred Years Ago (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 477-477 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN announcing in 1932l that the reproduction of a mammal (Microtus) could be controlled by the duration of artificial illumination, R. M. Ranson and I published a statement that lights were used in poultry-houses in Spain more than a century ago for the purpose of increasing ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143477b0
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  • 8
    Electronic Resource
    Electronic Resource
    Disintegration of Cell-Wall Substances in the Gastro-Intestinal Tract of Herbivora (1938)
    [s.l.] : Nature Publishing Group
    Nature 141 (1938), S. 877-878 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE process of cellulose digestion in herbivora, in addition to its economic importance, throws considerable light on a number of cognate biological topics. Biochemical aspects of the problem have received considerable attention. Pure cultural investigations have been attempted though it is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/141877b0
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  • 9
    Electronic Resource
    Electronic Resource
    Nomenclature of the Seasons (1937)
    [s.l.] : Nature Publishing Group
    Nature 140 (1937), S. 890-891 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE frequently hears it said that the swallow passes the winter in South Africa, though a moment's reflection shows that it is summer in South Africa when the swallow is there. There appear to be no words for times of year, longer than a calendar month, applying to the whole world. Again, when ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/140890a0
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of Visible Rays on Bacterial Growth (1936)
    [s.l.] : Nature Publishing Group
    Nature 137 (1936), S. 111-112 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I NOTE with great interest that experimental work is being done to investigate the effect of visible rays on bacterial growth. During a course of lectures I gave at the Royal Institution in 1911, I showed specimens of B. prodigiosus which I had subcultivated for several generations in a narrow ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/137111c0
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