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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 682-683 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The food and the rumen contents of a sheep on a diet of oaten hay have been examined both before and after destruction of organic matter5. By the destruction of organic matter with nitric and perchloric acids, insoluble residues were obtained which consist largely of opal-phytoliths. Accompanying ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 406-407 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To find out if the fatty acid composition of the liver lipid was also different in kwashiorkor from that in fatty livers due to other causes (control series) the lipid from post-mortem portions of liver from children aged 1-4 years was extracted with petroleum ether and the acids obtained by ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 937-938 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 shows results of reactions over evaporated films of nickel, tungsten, platinum and rhodium, using initial pressures of hydrogen of 45 mm. mercury and of hydrocarbon 3-7 mm. mercury. The metal films were prepared from spectroscopically standardized metals. Analyses were made after 5-25 per ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 790-791 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Twenty-one days after the cells were infected with the Edmonston strain of measles virus, they were fixed in osmium tetroxide, and ultra-thin sections were prepared for electron microscopy. Sections were mounted on 200-mesh grids and floated for 15 min. on a saturated solution of uranyl acetate to ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 125-131 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE composition of extraterrestrial bodies has long A been a matter of much interest, and recent advances in analytical techniques have permitted intensive probing into the nature of meteorites falling on the surface of the Earth. This has been particularly true in the case of carbonaceous ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 200 (1963), S. 1023-1024 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] While making salivary gland chromosome maps of A. freeborni and A. punctipennis, we found that there were considerable similarities in the banding patterns of certain regions of the chromosomes. The ends of the chromosomal arms of the two species were very similar. Of particular significance was ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 200 (1963), S. 421-423 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HAGINS1 showed that a very brief electronic flash, however bright, would not bleach away more than about half the rhodopsin from a rabbit's retina. Hubbard and Kropf2 analysed the phenomenon using rhodopsin in solution at 17 C, and showed that, when thermal decomposition was arrested by cold, ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 204 (1964), S. 856-857 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNDER the above title, Holliday1 has described the relationship between population per unit area and crop yield. He defined two basic types of relationship and expressed them graphically. One form gave a curve which was approximately parabolic in shape and was typical of the yield response to ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 204 (1964), S. 466-467 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Xenon (99-100 per cent, balance krypton) and fluorine (at its vapour pressure at - 196 C) were mixed in a fused silica vessel. A nickel filament (0-020 cm diam.) was heated electrically in the gas mixture and its temperature monitored by following the resistance. Pressure changes in the vessel were ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 1322-1322 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 compares the effect of 3 mg/1. indolylacetic acid (IAA) on cell wall synthesis in oat coleoptile segments: (a) when no inhibitor is present and elongation occurs; (6) when elongation is inhibited by 0-25 M mannitol; (c) when elongation is inhibited by 0-01 M calcium chloride, which is ...
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