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  • Nature Publishing Group  (109)
  • American Meteorological Society  (23)
  • American Association of Petroleum Geologists  (17)
  • 1935-1939  (149)
  • 1938  (72)
  • 1937  (77)
Collection
Years
  • 1935-1939  (149)
Year
  • 11
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 248-248 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has often been pointed out that for accurate results in quantitative spectrographic analysis, the standards of known composition, against whose spectra that of the specimen to be analysed is matched, should be made up on a base that simulates as closely as possible the composition of the ...
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  • 12
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 250-250 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE study of the manner of feeding of the nema-todes inhabiting the alimentary canal of vertebrates is one of the comparatively recent developments of helminthology. Hoeppli, Wetzel and others have shown that many nematodes which possess a well-developed buccal capsule—typified in the ...
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  • 13
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 191-191 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN NATURE of January 9 (p. 62), reference is made to a paper published by Dr. R. Broom in the Annals of the Transvaal Museum (18, 397–413; 1936), in which he complains that four type-specimens in the British Museum have been maltreated while being investigated by Dr. Boonstra; one, a ...
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  • 14
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 199-199 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME passing remarks in the article entitled “Soil Drift in South Australia” in NATURE of December 19 (p. 1039) may give the casual reader the erroneous impression that the northern part of British Nigeria is threatened by the “encroaching desert”. A glance at any adequate map of Africa will ...
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  • 15
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 1159-1160 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent communication1, we presented certain experimental observations of the reflection of medium radio waves from the ionosphere. These results were interpreted as indicating that the Lorentz ‘polarization’ correction was zero in the ionosphere. This conclusion has since ...
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  • 16
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 1163-1163 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE interesting visual phenomenon described by Mr. Dartnall in NATURE recently1 was observed by Helmholtz many years ago2. The effect—the appearance of a purple after-image in a patch of light alternating at a frequency just below the critical frequency—no doubt ...
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  • 17
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 996-996 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is well known that genuine proteins (at pH 7) are attacked by crystalline trypsin which, on the other hand, is able to split synthetic peptides. This has been taken as support for the view that these proteins contain peptide bonds in their molecules1. We wish, however, to ...
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  • 18
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 913-914 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As the pressure is increased on a mixed film produced by a 1: 1 mixture of oleic acid (HOL) with stearyl alcohol (STOH) or amine, or stearic acid (HST), the unsaturated oleic acid begins to separate out at about 24 dynes per cm., at which pressure minute particles of the oleic acid become ...
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  • 19
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 575-576 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT was to be regretted that until recently no artefacts of Pleistocene age had been found in the Malay Peninsula, and particularly so because of the relationship of the peninsula to the now sunken Sundaland which formerly joined Sumatra, Java and Borneo to the mainland of Asia. Fig. 1. ...
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  • 20
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 537-537 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I WAS much interested in Sir Richard Paget's letter in NATURE of July 9, as I have observed the converse effect, in which a ‘suspended image’ may be seen behind the pattern viewed. The effect may be obtained by drawing a simple pattern (for example, of crosses, as in the enclosed sketch) ...
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