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  • 1
    Electronic Resource
    Electronic Resource
    Red Snow in Persia. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), 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] ON several occasions I have observed ‘red snow’ on the mountains in Bakhtiari country, south-west Persia. It usually occurs in patches a couple of yards wide and a score of yards long, lying with normal white snow. To-day (Feb. 14), however, the phenomenon occurred on an entirely different ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127522d0
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  • 2
    Electronic Resource
    Electronic Resource
    Oxidation of Cupro-Nickel Alloys in Steam–Oxygen Mixtures (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 261-262 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The experimental conditions were chosen to stimulate the type of corrosion that occurs on cupro-nickel feed water heaters in certain generating stations of the Central Electricity Generating Board2. Samples of 90/10, 80/20 and 70/30 cupro-nickel alloys were heated for 1,800 h in an autoclave at 275 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/196261a0
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  • 3
    Electronic Resource
    Electronic Resource
    Adaptation of Yeast to Maltose Fermentation (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 1471-1472 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This ability to ferment maltose rapidly is a very labile characteristic of the yeast. Early experiments on growing the yeast in the laboratory in a denned medium of glucose or sucrose, salts, vitamins and Difco Casamino acids failed to produce a yeast which on harvesting fermented maltose unless ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1781471a0
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  • 4
    Electronic Resource
    Electronic Resource
    Moonlight and the Pregnancy of Malayan Forest Rats (1952)
    [s.l.] : Nature Publishing Group
    Nature 170 (1952), S. 73-74 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To investigate this further, the distribution of intra-uterine litters in the lunar month was calculated. Litters were classed as ;young' or 'old' according to whether the mean weight of the embryos was below or above the median of such weights for all litters of that species. There is some ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/170073a0
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  • 5
    Electronic Resource
    Electronic Resource
    Moonlight and the Pregnancy of Malayan Forest Rats (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 1002-1003 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the first communication, the wrong number of degrees of freedom was used, which caused an unjustified significance. When the x2-"kes"t〉 is correctly applied, the observations cannot sufficiently support the lunar hypothesis. Table 2 of the earlier communication showed the total number of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1731002a0
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  • 6
    Electronic Resource
    Electronic Resource
    Influence of Cation-Exchange Resins on Adenosine Triphosphate (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 544-544 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have found that ATP which has undergone treatment by a cation-exchange resin behaves unexpectedly when chromatographed on paper. ATr" was prepared from Ba2ATP.4H2O (Schwarz : New York) by shaking it in aqueous suspension with 'Amberlite 7i?-120(H)\ When chromatographed according to the method of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173544a0
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  • 7
    Electronic Resource
    Electronic Resource
    Photoperiod, Auxin and Sex Balance in a Long-Day Plant (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 100-102 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REPORTS on the effects of photoperiod on sex expression in diclinous flowering plants have mostly suggested that photoperiodic regimes which promote early or abundant flowering tend, initially at least, to enhance femaleness, the response being apparent in the production of a greater proportion of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181100a0
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  • 8
    Electronic Resource
    Electronic Resource
    Occurrence of the American Pondweed, Potamogeton epihydrus Raf., in the Hebrides (1952)
    [s.l.] : Nature Publishing Group
    Nature 169 (1952), S. 548-549 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Before we commenced our researches, this element was supposed to have its European headquarters in Ireland, although, so far as the Hebrides were concerned, it was recognized that Najas flexilis Rostk. et Schmidt and Spiranthes stricta (Ryd.) A. Nels. grew in the Isle of Colonsay, and Eriocaulon ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/169548b0
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  • 9
    Electronic Resource
    Electronic Resource
    Detection of Sugars on Paper Chromatograms (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 444-445 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the modified procedure the dried, developed paper chromatogram strip is first passed rapidly through a reagent solution, prepared by diluting 0-1 ml. of saturated aqueous silver nitrate solution to 20 ml. with acetone, and adding water dropwise, with shaking, until the silver nitrate which ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166444b0
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  • 10
    Electronic Resource
    Electronic Resource
    Growth Inhibition of a Yeast by Uracil, and its Reversal by Arginine (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1035-1035 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The synthetic medium used contained glucose, mineral salts, ammonia, biotin, pantothenic acid, aneurine, pyridoxine, inositol and nicotinamide, with or without adenine, guanine and xanthine. The addition of concentrations of uracil greater than 1.5 X 10-5 M to medium inoculated with 10 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1661035a0
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