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  • Nature Publishing Group  (41)
  • 1940-1944  (41)
  • 1943  (41)
Collection
Years
  • 1940-1944  (41)
Year
  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 663-664 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent communications on this subject by Mr. J. Reid Moir1 and Mr. Alfred S. Barnes2 show that the old battle over the artificial or natural origin of eoliths is on again. Space does not permit quotation of the opinions on both sides of the original argument ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 536-537 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE general fact which emerges from, recent work in animal cytology is that the extent of the hetero-chromatic (‘inert’) segments of the chromosomes often varies very greatly from one species to another, even within the same genus. Thus, among the grasshoppers, Stauroderus scalaris possesses ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 538-539 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE persistence of luminosity after the interruption of an electrical discharge in certain gases at low pressures has often been observed, and the experiments on active nitrogen by Lord Rayleigh, and others1,2, are well known. Dorgelo and Washington3 have measured ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 626-626 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have postulated previously that the catalytic decomposition by catalase of hydrogen peroxide to molecular oxygen and water is accompanied by changes in the valency of catalase iron1. This supposition is strongly supported by spectroscopic and manometric experiments carried out ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 598-599 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Sabellidæ are one of the few families of Polychæte worms which have successfully penetrated into fresh water. One of us has previously observed at Loch Ine, Co. Cork, that Sabella pavonina Sav. occurs in places in which, at low tides, it is subjected to conditions of low salinity. It seemed ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 417-418 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SURVIVAL of the take-all fungus (Ophiobolus graminis) in buried infected cereal stubble is prolonged by an adequate supply of soluble nitrogen from the surrounding soil1,2. If the soil is left in clean fallow after harvesting a cereal crop affected by the take-all disease, then ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 504-505 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been shown recently that certain of the sulphonamides and thiourea act as goitrogenic agents in the rat1,2,3. These substances have been found also to lower the basal metabolic rate in normal animals4,5 and to alleviate the symptoms of hyperthyroidism in ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 303-303 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MISS ROSS has done a useful service in directing attention to the value of the Beevers-Lipson strips for the process of Fourier analysis. These strips were originally designed for Fourier synthesis in crystalstructure determination, and for this purpose printed copies have been supplied to some ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 151 (1943), S. 84-84 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE present shortage of potassium makes it necessary that chemists should take every care that there is no undue waste of this material, and it seems to us that with the large number of workers using the saturated calomel electrode1 for making pH measurements, there must be a considerable loss ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 748-748 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As part of a study of factors affecting flame stability, some time ago we began an investigation into the influence of gas velocity on the flow conditions at a burner head; in the first instance unignited media were employed. The technique of instantaneous shadow photography was chosen as best ...
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