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  • Nature Publishing Group  (3,087)
  • 1950-1954  (3,087)
  • 1920-1924
  • 1950  (3,087)
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Publisher
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  • 1950-1954  (3,087)
  • 1920-1924
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  • 1
    Electronic Resource
    Electronic Resource
    Social Sciences Research Register (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1097-1097 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the social sciences it is difficult for the research worker and those concerned with the direction and administration of research to keep in touch with the development of ideas and trends in this field, or to avoid duplication with work being carried on elsewhere. The boundaries of the social ...
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  • 2
    Electronic Resource
    Electronic Resource
    Experiments at the Grassland Research Station (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1098-1098 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A BULLETIN on Experiments in Progress 1950 has been issued by the Grassland Research Station from Drayton, Stratford-on-Avon, Warwickshire. The Station took over the work and functions of the former Grassland Improvement Station, as from October 1, 1949 (see Mature, 163, 477; 1949). New ...
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  • 3
    Electronic Resource
    Electronic Resource
    A Study of Some odd Personalities (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1085-1086 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. E. J. DINGWALL has two qualities which make his writing eminently readable: an intense interest in human beings and a profound and unusual scholarship. These qualities are aptly united in this book and its forerunner, Some Human Oddities, in both of which he makes critical and exploratory ...
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    URL: http://dx.doi.org/10.1038/1661085b0
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  • 4
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    Electronic Resource
    Grants for Field-work in Geology and Geophysics (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1099-1099 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Shell Petroleum Co., Ltd., is offering in 1951 a number of grants for postgraduate studentships in geology, at £375 a year, which will be in addition to those that have already been awarded. These studentships will be for work leading to the Ph.D. degree, and the only terms are that, ...
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  • 5
    Electronic Resource
    Electronic Resource
    Alpha-Particle Scintillations in Organic Compounds (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1109-1110 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Results obtained with a-particles seem to provide the most satisfactory basis of comparison. Integral bias curves have been obtained using ±-particles (6.04 and 872 MeV.) from thorium C and . This procedure has the further advantage that thin crystals with an area of one or two square ...
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    URL: http://dx.doi.org/10.1038/1661109b0
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  • 6
    Electronic Resource
    Electronic Resource
    Chromosome Alteration and Tumour Inhibition by Nitrogen Mustards: the Hypothesis of Cross-linking Alkylation (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1112-1113 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Structural alterations in chromosomes resembling those produced by polyfunctional nitrogen mustards can be readily obtained in proliferative cells treated with monofunctional compounds. In one set of experiments, root tips of Allium cepa were exposed to solutions of two agents with more than one ...
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    URL: http://dx.doi.org/10.1038/1661112a0
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  • 7
    Electronic Resource
    Electronic Resource
    Classification, Transmission and Detection of Odours (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1105-1106 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SYMPOSIUM on olfaction provided the main item of interest at a special general meeting of the Society of Cosmetic Chemists, held in the main hall of the Chelsea Polytechnic, Manresa Road, London, S.W.3, on the evening of October 20. The subject was introduced by Dr. William McCartney, of the ...
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  • 8
    Electronic Resource
    Electronic Resource
    Methionine and the Formation of Pigment by Yeasts (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1117-1117 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] If, however, p-aminobenzoic acid is omitted from the medium and replaced by adenine, methionine and histidine1,2, no pigment is formed; nor is it possible to induce pigment formation in a strain of Schizosaccharomyces octosporus examined in these laboratories3 which requires adenine, methionine and ...
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  • 9
    Electronic Resource
    Electronic Resource
    Gallium Anisotropy and Crystal Structure (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1110-1111 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An X-ray examination of the gallium seed crystal has now been made by Mr. E. A. Calnan, of the Metallurgy Division of this Laboratory. Back reflexion Laue patterns produced with the beam directed along the pyramid axis of the specimen showed elements of four-fold symmetry, confirming that the ...
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  • 10
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    Thermal Conductivity of Barium Strontium Oxide (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1111-1112 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A method based on Leess disk has been developed to overcome these objections. The assembly, shown in the accompanying diagram, consisted of three nickel disks, 1 in. diameter and 1/4, 1/2, and 1/4 in. wide respectively. The centre in. disk contained an alundum-covered, molybdenum-strip heater ...
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  • 11
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    Electronic Resource
    Folic Acid, Vitamin B 12 and Nucleic Acid Synthesis in Lactobacillus casei (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1117-1117 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With L. casei (ATCC 7469) grown in a medium2 varied with respect to concentrations of folic acid (Lederle) and vitamin B12 (crystalline, Merck), some results of a typical experiment are set forth in the accompanying table. Nucleic acids were extracted by Schneiders procedure7. Ribonucleic acid was ...
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  • 12
    Electronic Resource
    Electronic Resource
    Bibliography of Science in Latin America (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1059-1059 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CONTINUING the sequence in the bibliography of Latin-American scientific activities (see Nature, April 15, p. 589), the Field Science Co-operation Office for Latin America, in collaboration with various Ibero-American organizations, has issued three lists: scientific institutions in Brazil; ...
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  • 13
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    The United Nations Organization (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1083-1084 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH the annual reports of the Secretary-. General of the United Nations on the work of the Organization have not attracted the attention that corresponding reports on the League of Nations did, and have as yet not gained the reputation enjoyed by those of the Director of the International ...
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  • 14
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    Treatise of Zoology (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1086-1087 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH the present volume is No. 15 out of a contemplated series of seventeen, it is actually only the fourth to be published. There has now been time not only to read the three previously published volumes more carefully but also to use them, and further acquaintance with them has only served to ...
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  • 15
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    Mr. R. H. Worth (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1055-1055 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RICHARD HANSFORD WORTH, whose death occurred on November 11, was born in Plymouth on November 5, 1868, the son of R. N. Worth, journalist, geologist, archaeologist and historian of Plymouth. He was educated at Plymouth High School (now Plymouth College) and lived in his native city all his life. A ...
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  • 16
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    Industrial Time-Study Methods (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1097-1097 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As part of its programme of research into practical problems, the Nuffield Foundation is sponsoring an independent and disinterested scientific investigation into the techniques of stop-watch time-study practised in industry to-day. A steering committee of physiologists, psychologists, ...
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  • 17
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    British Instruments for Radioactive Measurement (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1098-1098 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Scientific Instrument Manufacturers Association, in conjunction with the Atomic Energy Research Establishment of the Ministry of Supply, have prepared an illustrated brochure describing the principal instruments required for investigations using radioactive substances that are manufactured in ...
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  • 18
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    Exploration of a Coast-line of the Antarctic (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1098-1098 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the last remaining gaps in the known Antarctic coast-line was the south-western coast of the Weddell Sea. Various attempts have been made to reach this by sea, but it is now realized that the currents of that Sea pack the ice against the coast and prevent any access, at least without extreme ...
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  • 19
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    Government Spending in Great Britain (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1058-1058 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent number of Planning (PEP, 16 Queen Anne?s Gate, London, S.W.1; 2s.) devoted to the subject of government spending, it is pointed out that in the present condition of the British economy there is no lack of claims on any increase of production which may be achieved. A continued increase ...
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  • 20
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    Reference List of Microfilms and Microcards (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1099-1099 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE General Reference and Bibliography Division of the Library of Congress at Washington has issued a selected list of references on Microfilms and Micro -cards: their Use in Research, compiled by Blanche P. McCrum (pp. 81; Washington,, D.C.: Library of Congress Card Division, 1950; 55 cents). Its ...
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  • 21
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    The Agricultural and Horticultural Research Station, Long Ashton: Annual Report for 1948 (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 1107-1108 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE University of Bristol Agricultural and Horticultural Research Station, at Long Ashton, maintains its tradition of balanced practical research into problems of fruit growing and fruit products. In its annual report for 1948*, Dr. L. C. Luckwill reports that alpha-naphthalene acetic acid (5 ...
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  • 22
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    [Book Reveiws] (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 754-754 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the scheme of instruction for national certificates in engineering, ?Engineering Science? is a comprehensive subject which runs continuously through the three years of the ordinary course. In the third year, it comprises several branches previously treated as separate subjects, such as applied ...
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  • 23
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    [Book Reveiws] (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 754-754 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS is a review of colloid chemistry written mainly from the classical point of view and, within these limitations, is reasonably comprehensive. The discussion of modern techniques, such as X-ray diffraction and light scattering, is inadequate, and the reader will have to search elsewhere for ...
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  • 24
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    British Railways Research Organization (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 978-978 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Railway Executive has decided to integrate the research facilities of the different regions of British Railways into a single Research Department. This is in accordance with the recommendation of a committee set up by the British Transport Commission under the chairmanship of Sir William ...
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  • 25
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    International Film Coupon Scheme (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 978-979 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SCHEME has been organized by the United Nations Educational, Scientific and Cultural Organization which will enable soft currency countries to purchase educational, scientific and cultural films from hard-currency areas, and will facilitate purchase and sales between one soft-currency country and ...
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  • 26
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    Structure of the Mycolic Acids of Mycobacteria (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 782-783 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Bovine3, avian4 and other strains of Mycobacteria5,6 contain similar high-molecular weight mycolic acids, the most characteristic feature of which is that they contain a hydroxyl group and that the pyrolysis reaction gives either n-hexacoeanoic acid or similar acids3-7. Nothing was known about the ...
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  • 27
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    Cytochemical Localization of β-Glucuronidase (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 783-784 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Staining of mitochondria in 20-µ frozen section of normal male mouse liver. 8-Hydroxyquinoline glucuronide method.81/2 hours incubation. Yellow filter, x 500 Fig. 2. Staining of chromatin in 20-µ frozen section of regenerating male mouse liver, 7 days after administration of ...
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  • 28
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    Bacteriostatic Substances in the Unsaponifiable Fraction of Cod-liver Oil (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 787-787 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In animal experiments (guinea pigs) a daily dose of 30 mgm. was not active against infection with tubercle bacilli; moreover, the substance proved to be more or less toxic. Details will be published ...
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  • 29
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    Australian Journal of Applied Science (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 767-767 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first issue of a new quarterly journal, the Australian Journal of Applied Science, published by the Commonwealth Scientific and Industrial Research Organisation, appeared in March 1950 (1, No. 1 ; pp. 132 ; Melbourne : Government Printer ; 30s. a year). It is intended as a medium for the ...
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  • 30
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    Beckenham and Penge Grammar School: Scientific Society Proceedings (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 768-768 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] STILL further evidence of the growing interest in publishing scientific work carried out in schools has reached us in the above journal. This is the second annual issue ; the first was published in 1949 (price Is.). It is of interest to note that this School is a maintained grammar school attended ...
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  • 31
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    Faraday Society (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 768-768 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR CHARLES GOODEVE has been elected president of the Faraday Society in succession to Sir John Lennard-Jones. Sir Alfred Egerton and Prof. H. W. Melville have been elected vice-presidents in succession to the two retiring vice-presidents, Mr. R. P. Bell and Sir Cyril Hinshelwood. Profs. C. H. ...
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  • 32
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    Emanating Power and the Age of Complex Silica Gels (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 792-794 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] One of us2 examined the emanating power of these complex silica gels under different conditions of dryness and age up to 45 months and found that drying for 3-5 hr. at 120 C. or by laboratory air with the relative humidity 20-40 per cent had little effect. On the other hand, the emanating power ...
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  • 33
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    Haploid Plants of Solanum demissum (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 795-795 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As part of the potato-breeding programme at the Cambridge Plant Breeding Institute, crosses were made between S. demissum and diploids such as S. Rybinii, and between 8. demissum and S. tuberosum, in order to compare the two methods of breeding. AB is shown in the accompanying table, in addition to ...
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    Forthcoming Events (1950)
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    Nature 166 (1950), S. 796-796 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (Meetings marked with an asterisk * are open to the public) Monday, November 6 SOCIETT OP CHEMICAL INDUSTRY, AGRICULTURE GROUP (joint meeting with the FOOD GROUP and the LONDON SECTION, at the Chemical Society, Burlington House, Piccadilly, London, W.1), at 6.30 p.m. Mr. R. Barrington Brock : ...
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    Flora of the Cape Peninsula (1950)
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    Nature 166 (1950), S. 706-707 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE editors, Prof. R. S. Adamson and Captain T. M. Salter, together with their collaborators, have provided in this work a descriptive flora of the best-known part of Cape Colony, namely, the Cape Peninsula. The area dealt with comprises 182 square miles and provides the home for an exceptionally ...
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    Photoelasticity (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 706-706 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. M. M. FROCHT's book is the long-awaited second volume of his work, the first volume of which was published in 1941. It would probably be fair to say that, in contrast to the first volume, the emphasis in this book is strongly on elasticity. Two-fifths of the book is devoted to a consideration ...
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    [Book Reviews] (1950)
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    Nature 166 (1950), S. 708-708 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE fourth and most elementary of the series of text-books by J. D. and E. S. Dana, covering the field of mineralogy, was first published more than half a century ago. This new revision retains essentially the characters of the first edition and remains a well-balanced introduction to the subject. ...
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    The Harwell Nuclear Physics Conference, 1950 (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 709-711 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] TWO hundred and thirty delegates, of whom one hundred were from overseas, attended the International Nuclear Physics Conference held in the Clarendon Laboratory and Geography School lecture theatres in Oxford during September 7-13. In the five days of meetings nearly one hundred papers were given ...
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    Inhibition of Chymotrypsin by Diethyl p -Nitrophenyl Phosphate (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 784-785 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our sample of crystalline chymotrypsin was found to be 50.2 per cent pure (the remainder being magnesium sulphate) by using Anson?s method of estimation2 (digestion with denatured hmoglobin in phosphate buffer, pH. 7.7 at 25, and using Northrop?s value of (0.038 T.U.)Hbmgm.P.N. for the activity of ...
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    The Xylan of Rhodymenia palmata (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 787-788 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The polysaccharide, [a]D ? 96 (H2O) (cf. esparto xylan [a]D) ? 91 (NaOH)) gave xylose only on hydrolysis. Periodate oxidation showed that 80 per cent of the xylose residues possess a-glycol groupings and these are linked, therefore, through C(1) and either C(2) or C(4), if the possibility of the ...
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    Action of Perbenzoic Acid on Diphenylene Diazomethane (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 788-788 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This seems to be the first case where 〉CN2 has been directly transformed to 〉C = ...
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    The Xylan of Rhodymenia palmata (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 788-788 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The xylan was partially oxidized by periodic acid, and the oxidized product gave with ammonia a white precipitate which, after purification, contained 2.7 per cent of nitrogen. This substance was assumed to be an aldehyde ammonia formed by the combination of two molecules of ammonia with each pair ...
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    Effect of Aureomycin on Trichomonas intestinalis hominis (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 989-989 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two possible explanations are suggested for this increase: (1) aureomycin may have caused a change in the bacterial flora of the intestine, making this milieu more congenial for the propagation of Trichomonas; (2) aureomycin may have exerted a specific growth stimulation on the flagellates. Such an ...
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    South African Fossil Hominoids (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 791-792 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the accompanying figure are shown scale drawings (natural size) of the medial aspect of the milk canine and first milk molars of (a) Homo sapiens, (b) the australopithecine specimen from Kromdraai, and (c-l) those of ten young chimpanzees taken at random from the series of fifty, excluding six ...
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    X-Ray and Neutron Diffraction by Graphite Layers (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 794-794 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] X-ray powder photographs of a sample of artificial graphite show an enhancement of about 85 per cent for the 1010 line relative to 1120, and about 80 per cent for the l011 line relative to 1122. Franklin's assertion that this enhancement is not due to a temperature factor, as inferred by Lipson and ...
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    Physiological Action of the Toxin of the Egyptian Scorpion (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 734-735 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In considering whether the toxin acts as a stimulator of sympathetic nerve endings, a study has been made of the effect of the toxin on the blood-sugar levels of normal and immune animals. Using the method of Hagedorn and Jensen, it was found that a blood-sugar level of 1 -02 mgm./ml. increased to ...
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    Gonadotrophin from the Neural Region of Ascidians (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 737-737 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The neural glands were ground with sand in acetone and hydrochloric acid to pH. c. 1-0 in such volume that the final liquid contained 15 per cent water. The debris was filtered off and enough acetone added to the filtrate to reduce the water content to 4-6 per cent. A precipitate was formed which ...
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    Chloromycetin Resistance in E. coli , a Case of Quantitative Inheritance in Bacteria (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 991-992 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Besides resistance, dependence is known, whereby some resistant mutants fail to grow in absence of streptomycin. Full streptomycin-resistance and dependence4,5 seem to be due to a single locus (or closely linked loci). Further, Lederberg introduced resistance to azide6 as a genetic marker; here a ...
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    Modification of the Biochemical Responses of the Immature Pullet to Œstrogen by means of Dietary Aureomycin (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 992-993 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the light of these considerations, it seemed that aureomycin might conceivably influence the response of serum riboflavin and serum calcium to strogen in one or other of the following ways: (a) By reducing fixation or destruction of dietary riboflavin by the intestinal flora, while not ...
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    Folic Acid as a Growth-Factor for the Rat (1950)
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    Nature 166 (1950), S. 993-993 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In preliminary tests an extracted casein, which was of a dark yellow colour, possibly due to overheating in the drying process, was used and the animals did not grow satisfactorily except in the group receiving crude liver extract. The animals had poor coats and some showed reddish-brown staining ...
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    Sweet Odours (1950)
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    Nature 166 (1950), S. 664-664 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE chemistry and preparative methods of the important perfumery synthetics are described systematically and factually in this book. It is one that should be a useful text-book for the manufacturer of perfumery chemicals, and a guide that will show the artist-perfumer what raw materials are ...
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    Instantaneous Electron Transfer and Interaction Absorption (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 746-746 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An attempt has been made recently to test the hypothesis that there is a correlation between instantaneous exchange by electron transfer and interaction absorption3. The result was inconclusive, mainly because of the great difficulty of deciding whether any exchange involving radioactive isotopes ...
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    Foreign Scholarships for British Students (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 719-720 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A NUMBER of foreign governments and universities are offering scholarships to British students. In most cases the awards are for 4-12 months of postgraduate study at a university; but the Italian Government also offers scholarships to authors, artists, musicians and others for study or travel in ...
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    The Night Sky in November (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 720-720 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NEW moon occurs on Nov. 9d. 23h. 25m., U.T., and full moon on Nov. 24d. 15h. 14m. The following conjunctions with the moon take place : Nov. 6d. 19h., Saturn 2 N. ; Nov. 13d. 04h., Mars 4 N. ; Nov. 16d. 23h., Jupiter 1 N. Mercury, in superior conjunction on November 1, is too close to the sun ...
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    Theory of Sorption Columns: The Ψ Conditions: Two Types of Non-Equilibrium Fronts (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 722-723 
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    Notes: [Auszug] A PROCESS in a sorption column can be described A~\〉 completely by giving for each molecular species Ai its concentrations G{ and qi as functions of x (the amount of sorbent in cm. or gm. between the layer x and the inlet end) and V (the volume of solution that has passed the layer x). For an ...
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    Organising for Output (1950)
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    Nature 166 (1950), S. 675-675 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN order to help the man on the shop floor to understand some of the problems of production management, the British Institute of Management has prepared a booklet describing the technical side of a works manager's job ("Organising for Output"; 25. Qd.). It does not pretend to teach men how to ...
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    The Institute of Physics: Annual Meeting and Report for 1949 (1950)
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    Nature 166 (1950), S. 731-731 
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    Notes: [Auszug] AT the thirtieth annual general meeting of the Institute of Physics, held on July 20 at the Institute's House, 47 Belgrave Square, London, S.W.I, the following were elected to take office on October 1 : President, Prof. W. E. Curtis; Vice-President, Prof. E. G. Cox; Honorary Treasurer, Mr. E. R. Da ...
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    Effect of Indole and some Indolic Compounds on Muscle Sensitivity to Acetylcholine and Potassium (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 734-734 
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    Notes: [Auszug] Stimulant Inhibitor Per cent diminution of shortening 1 -1 A/gm. AcChol. 3 -0 mgm. KC1 2 -0 x 1CT4 M indole 1-2 x 1(T4M 17-2 1-4* 7-4 I'l 1 -2 A gm. AcChol. 3 -0 mgm. KC1 1-1 x 10~4M skatole 1-1 x 10-* M 54-4 2-6 53-0 3-9 3-0 mgm. KC1 3-0 3-0 1-5 x W~*M indole 4-2 x 10~5 skatole Indole plus ...
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    Mechanism of Epinephrine-induced Tachycardia in the Frog (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 736-737 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Adrenergic blocking agents, in general, fail to antagonize the chronotropic and inotropic responses of the mammalian heart to epinephrine, but results with the frog heart have been highly variable1. Studies on isolated, perfused hearts of Eana pipiens in our laboratory during January 1949 indicated ...
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    Acute Action of Goitrogenous Agents on the Body Temperature and Oxygen Consumption of the Rat (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 737-738 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Fig. 2 Fig. 1. Bat 254-190 gm., male. Operation January 13, 1950. Electrodes introduced into hypothalamus, but no current was passed. Aminothiazole experiment performed on January 28,1950 Fig. 2. Rat 256-110 gm., male. Thyroidectomy, January 13, 1950. Bilateral lesion of hypothalamus, ...
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    Positive Point-to-Plane Spark Breakdown of Compressed Gases (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 688-689 
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    Notes: [Auszug] An investigation of this effect using air, nitrogen (oxygen-free), 'Freon 12' and sulphur hexafluoride is being made in this Department. Examples of spark breakdown voltage-pressure curves obtained for these gases are shown in the accompanying graph, together with details of the gap configuration. ...
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    Walden Inversion and Reaction Mechanism: Walden Inversion in the Acid Hydrolysis of Carboxylic Esters by Unimolecular Alkyl Fission (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 680-680 
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    Notes: [Auszug] ONE of the less thoroughly investigated of the seven mechanisms of carboxylic ester hydrolysis, which Day and Ingold listed and associated with observed or predicted structural, kinetic and stereo -chemical characteristics1, is the acid-catalysed, unimolecular reaction involving alky 1- oxygen ...
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    Eleventh International Congress of Theoretical and Applied Limnology (1950)
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    Nature 166 (1950), S. 683-683 
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    Notes: [Auszug] Eleventh International Congress of Theor-etical and Applied Limnology held in Belgium was attended by about eighty people representing seventeen different nations; but, despite the small number of participants, the vigorous exchange of opinion between all and sundry was a testimony to its great ...
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    Pacific Science Board: Annual Report for 1949 (1950)
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    Nature 166 (1950), S. 685-685 
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    Notes: [Auszug] THE third annual report of the Pacific Science Board, covering the year 1949*, reviews briefly the work of the Seventh Pacific Science Congress, which was convened at Auckland and Christchurch during February 2-22, 1949; the Congress was attended by representatives of twenty-four countries, and ...
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    Production of Uniform Droplets (1950)
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    Nature 166 (1950), S. 686-687 
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    Notes: [Auszug] The basis of the apparatus is a vibrating hollow reed supplied with liquid. A length of ordinary glass tubing 3/16 in. or J in. outside diameter is drawn to a fine capillary of about 0-025 in. outside diameter and up to 8 in. long. On to this reed is waxed a short piece of 1 or 1-5 mm. steel ...
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    Change of Resistivity by Cold Working at Liquid-Air Temperature (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 690-690 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It can be seen from the accompanying graphs that there is a discontinuity in the Ap/p versus AZ/Z curve at the point where the temperature of the specimen was increased for a short while. There is no corresponding discontinuity in the tension versus AZ/Z curve. The minimum time for which the ...
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    ‘Sudden Commencements’ in Geomagnetism (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 691-692 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A recent note by Ferraro and Parkinson2 has suggested that the frequency of occurrence of type II s.c.'s may be a function of geomagnetic longitude, being a minimum at the longitude of Honolulu and a maximum at that of Greenwich or Abinger. In the note the types of s.c. are defined only in relation ...
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    Functions of the Skin of Vertebrates (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 672-673 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SECTIONS D (Zoology) and I (Physiology) of the British Association joined forces on the morning of September 1 to hear a group of papers on the functions of the skin. Prof. P. B. Medawar (Birmingham) opened the session by discussing the anatomy of the mammalian epidermis, referring specially to ...
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    Vermiculite-Organic Complexes (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 695-696 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The recent' demonstration of the high exchange capacity of vermiculite for inorganic cations, together with its limited swelling properties6'7'8, made it probable that substitution by organic cations could be effected, and this is found to be so. Complexes have been formed with codeine, ...
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    [Book Reviews] (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 624-624 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is impossible to read this volume without comparing it with that of Hodge and Pedoe on the "Methods of Algebraic Geometry", and indeed the two make excellent companion volumes, each amplifying the other. B. Segre presents a somewhat broader account of various fields and processes ; but his ...
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    Locusts and Grasshoppers (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 625-626 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SPECIAL session, held on September 5, of Section D (Zoology) of the British Association at the Birmingham meeting was devoted to a symposium on the locust and grasshopper problem. The subject was introduced by Dr. B. P. Uvarov, of the Anti-Locust Research Centre, who pointed out that the steady ...
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    Rhodesian Agricultural College (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 675-675 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE opening of the Rhodesian Agricultural College at Gwebi by the prime minister of Southern Rhodesia, Sir Godfrey Huggins, on February 15, is a landmark in the country's farming history and will, it is hoped, prove a first step towards the creation of a Rhodesian university. The administration of ...
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    [Book Reviews] (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 923-923 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the chief problems which arises in teaching the social sciences is that they all deal with separate aspects of the same subject-matter, namely, the behaviour of man in society. What is now termed the multi-disciplined approach in the United States has brought several of these sciences into ...
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    The Structure of Society (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 922-922 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE social sciences are often critieized on the ground that, so far as the form and content of social relationships goes, they are intuitional rather than objective in their methods, that their conclusions are limited in significance to the conditions of a given time and place, and they are ...
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    Effect of Motor Patrols on Accidents (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 639-640 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Road Research Laboratory of the Department of Scientific and Industrial Research is investigating the effects of police activity on road accidents, and, as a part of this work, an investigation has been made into the effects of the experimental motor-patrol scheme originated by the Home Office ...
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    [Book Reviews] (1950)
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    Nature 166 (1950), S. 923-923 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BY, advanced, the author means, beyond the matriculation stage,. Accordingly, fifteen of the twenty-one chapters deal with calculations concerning atomic weights, the partition law, mass action, electrochemistry, volumetric analysis, problems in organic chemistry and such other subjects required ...
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    Congress of the International Association for the Protection of Industrial Property (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 682-683 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE resolutions passed at the Congress of the International Association for the Protection of Industrial Property, held in Paris during June 1950, which have now been published, assume a wider significance in view of the measures being taken in other directions to effect the economic integration of ...
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    Aircraft-Landing Aids in Bad Visibility (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 683-684 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT a meeting held at Birmingham on September 5 of Section A (Mathematics and Physics) of the British Association, Mr. E. S. Calvert presented a paper entitled "Visual Aids for Landing in Bad Visibility, with Particular Reference to the Transition from Instrument to Visual Flight". Mr. Calvert said ...
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    Adsorption of Insoluble Vapours on a Water Surface (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 687-688 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have now, however, applied successfully the vertical film balance to this problem, which has enabled accurate measurements to be made on a static surface, the contact angle being zero. The vertical film balance is incorporated into the apparatus shown in Fig. 1. The water is contained in a ...
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    Energy in Electrostatics (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 689-690 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The objection insisted upon by Guggenheim to the available accounts of electrostatics is that the theory is constructed with the particular relation D = .SHE especially in mind, and that in consequence these accounts fail to establish notions and formulae of general validity. In the case of energy ...
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    Socio-Psychological Factors in Productivity (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 638-639 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SYMPOSIUM on "Socio-psychological Factors in Productivity", arranged by Sections F (Economics) and J (Psychology) of the British Association, was held at Birmingham on September 4. The problem jointly selected by the four speakers was the question of the relative strength of the pecuniary and ...
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    William Sturgeon, 1783–1850 (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 934-934 
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    Notes: [Auszug] ON December 4 the centenary occurs of the death of William Sturgeon, the Lancashire shoemaker and artilleryman, who by his own exertions gained for himself a place in the roll of honour beside Volta, Ampere, Arago, Oersted and Faraday. His imperishable donation to science, as Sir Ambrose Fleming ...
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    Measurement of Human Performance (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 935-935 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR many years psychologists have been interested in the specific and general causes leading to the observed diminution of efficiency in behaviour concerned with regular adaptation to a repeated stimulus. Certain generalizations seem to be valid ; for example, that after some time efficiency ...
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    Active Relaxation of Unstriated Muscle (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 647-647 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The nature of one kind of tonus in unstriated muscle follows as a corollary to the above. It is due to interference with active relaxation3'4. This is supported by oxygen-consumption experiments, there being less oxygen consumed during contraction and more during relaxation6. Estimations of lactic ...
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    Synthesis of Serine by Micro-organisms (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 649-650 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have found with growing cultures of Leuco-nostoc mesenteroides P60 that serine may be partially replaced by glycine in the presence of pyridoxal and carbon dioxide, and that the replacement is almost total on the further addition of p-aminobenzoate. These observations enabled us also to apply a ...
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    Occurrence of Eburicoic Acid (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 652-652 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] From the decayed wood the organism responsible for this 'white rot' was isolated and identified as Polyporus anthracophilus Cooke and, when grown on a standard synthetical medium, containing glucose and glycine, was found to produce the parent acid (isolated from the mycelium) and not the acetate. ...
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    Reactions between Nucleons and Mesons, and the Search for Negative Protons (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 654-655 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The argument starts from the observation that the reactions p_ -f n_ = 7r±0 (1) n_ -f n_ = 7r±0 (2) are impossible, since their occurrence would not be compatible with the existence of atomic nuclei. This fact rules out just those 'classes' of reactions which are necessary for the ...
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    The Census of England and Wales for 1931 (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 588-589 
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    Notes: [Auszug] THE Registrar-General for England and Wales has recently published the "General Report on the Census of England and Wales, 1931" (London: H.M. Stationery Office; 10s. net). This is the final publication of the Census of 1931. It was largely completed in 1936, but final completion was delayed by the ...
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    Economy of Greenland (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 588-588 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MUCH useful information about Greenland and valuable statistical tables relating to that country's demography, climatic conditions, trade, fishing industry and social life is contained in a work entitled "Economic Principles of the Greenland Administration before 1947" (pp. 215; K0benhavn: C. A. ...
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    India Section of the Electrochemical Society (1950)
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    Nature 166 (1950), S. 589-589 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Electrochemical Society, Inc. (235 West 102nd Street, New York 25), is an organisation in the United States which was founded in 1902 to promote the advancement of electrochemistry, electrometallurgy, electrothermics, electronics and allied subjects. A section for India of this Society has been ...
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    Scientific Interests of Adults (1950)
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    Nature 166 (1950), S. 592-593 
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    Notes: [Auszug] THE investigations described here form part of a wider study of the techniques of presenting science, by book or lecture, to the ordinary, non-academic adult. Exploratory examinations were made of the relative interest in the various branches of science and of the relative appeal of different lines ...
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    Science Reports of Tohoku University, Japan (1950)
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    Nature 166 (1950), S. 590-590 
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    Notes: [Auszug] REPORTS from the Kesearch Institute for Iron, Steel and Other Metals of Tohoku University, Sendai, Japan, used to regularly appear in a Tohoku University publication called Science Reports. Since 1944 and the issue of Vol. 32, this publication has been suspended. The Association of Research ...
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    Thin-Target Yield of O 18 ( p ,α)N 15 (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 602-602 
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    Notes: [Auszug] Five hours of proton bombardment did not change the yield beyond the limits of experimental accuracy. Range measurements showed that the energy of the a-particles corresponded to the Q- value of the reaction O18(£〉,oc)N15 reported in the literature1'2. As the yield curve shows a resonance at ...
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    Special Libraries and Information Services (1950)
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    Nature 166 (1950), S. 943-943 
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    Notes: [Auszug] THE twenty-fifth annual conference of Aslib, held A at the University of Bristol during September 22-25, marked the beginning of the second quarter-century of service of the Association of Special Libraries and Information Bureaux, and was attended by two hundred and thirty delegates representing a ...
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    Ferric Soaps as Catalysts for Vinyl Polymerization (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 603-604 
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    Notes: [Auszug] It might be suspected that some spurious peroxidic impurities likely to be present in the oleic acid were responsible for this catalytic property. This, however, was disproved by the following experiments. Ferric oleate solution in benzene was heated in vacuo at 80 ° C. for several days in ...
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    Use of a Magnetic Field in Detecting Corrosion Currents (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 607-607 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A powerful electromagnet is provided with two iron pole-pieces, the air gap being a few millimetres across (see diagram). A drop of potassium chloride, or similar salt solution, placed on the lower surface, is found to rotate when the magnetic field is turned on; the direction of rotation changes ...
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    Functions of Hæmoglobin in Daphnia (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 609-610 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In Daphnia not only blood but also the partheno-genetic eggs contain haemoglobin3. The pigment passes from the blood into the ovary4, and so in oxygen-deficient water the eggs, like the blood, contain extra haemoglobin. It has been shown that the haemoglobin in the eggs is of value to Daphnia in ...
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    Bird Migration in the Trent Valley (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 947-947 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the autumn months of July, August, September and October in the years 1940-47, continuous observations of the movements of bird migrants were made by R. J. H. Raines along the Trent Valley in Nottinghamshire and on the extensive Nottingham sewage farms. These observations revealed that a ...
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    Ultrasonic Soldering of Aluminium (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 615-615 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A specimen of aluminium was immersed in a bath of molten solder, to which -were communicated vibrations at a frequency of 18 kc./s., set up by applying 50 W. to the driver coil of a small magneto-stricter. The exact amplitude of oscillation in the bath could not easily be determined, but was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166615a0
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    Dearth of Science Teachers in Schools (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 529-530 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the Birmingham meeting of the British Association for the Advancement of Science, a special evening meeting was arranged by the Division for Social and International Relations of Science to discuss the question of the shortage of science teachers. The importance and urgency of this problem was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166529a0
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