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  • Articles  (33)
  • Wiley  (17)
  • Nature Publishing Group  (16)
  • 1955-1959  (33)
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  • Articles  (33)
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Year
Journal
  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 416-416 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is clear that the last digit is not significant, and indeed this follows from theoretical considerations. It would be unreasonable to express all measurements made with the light microscope in 'decimicrons', but a better case could be made for this than for the use of the angstrom as the ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1726-1726 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This reasoning was investigated by the measurement of SO-c./s. breakdown voltage of films of cellulose triacetate and polyethylene terephthalate in air over a range of pressures from that corresponding to rough vacuum up to about 8 atmospheres. The electric strength of the air, therefore, was ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 205-205 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] All the birds were shot or trapped near St. Albans, Hertfordshire, and thin films of their peripheral blood (stained with Giemsa's stain) were examined under a magnification of about 100 diameters for at least 10 min. The term 'adult' in Table 1 refers to all birds which had left the nest and were ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1043-1044 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Citrated or heparinized blood from (a) healthy individuals, (6) patients with untreated pernicious anaemia, and (c) a patient with total gastrectomy was assayed with Euglena gracilis and Ochromonas maUutmensis by methods outlined previously2'3-5. The pernicious aracmia patients were untreated at ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 947-949 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The course of cytological research would have 1 been very different if chromatin had been as invisible in routine microscopical preparations as lipid globules are, and lipid globules the most evident objects in cells. There has been a curious tendency to disregard lipid globules, or to mention them ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 614-615 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The greater part of this literature, however, deals with dioecious species of Melandrium, which have furnished the test material for so many other studies of sex-inheritance and expression. Both 'sexes' in these species produce androecial and gynoecial primordia ; but usually only one of these ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 194-194 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We need a universally recognized word for what is sometimes called 'ordinary' microscopy. The word 'ordinary' is not very suitable, because other methods are coming into wide favour. It might be convenient to speak of 'direct' microscopy in all cases in which (1) there is only one illuminating ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 851-852 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY scientific papers published in Great Britain are written in a style quite different from that adopted by good English authors. There would be no disadvantage in that, if an improved version of our language had been invented for scientific papers. This, however, is not so. For clarity and ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 636-637 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present findings result from a study directed at increasing the visibility of macromolecules in the electron microscope, and in particular from evaporating heavy metal at angles (with respect to the substrate) close to 0 . A sample of the Ul strain4 of tobacco mosaic virus, buffered to pH 6.8 ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 145-146 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since Haldane2 has shown that a hydrolysis will follow a logarithmic course when the affinity of one of the products for the enzyme is the same as that of the substrate, experiments on the inhibiting effects of the products were again made. In these experiments it was found that concentrations of ...
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