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  • Nature Publishing Group  (12.614)
  • 1970-1974
  • 1950-1954  (3.076)
  • 1945-1949  (2.917)
  • 1935-1939  (6.621)
  • 1988
  • 1951  (3.076)
  • 1946  (2.917)
  • 1939  (3.280)
  • 1937  (3.341)
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Verlag/Herausgeber
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  • 1970-1974
  • 1950-1954  (3.076)
  • 1945-1949  (2.917)
  • 1935-1939  (6.621)
  • 1985-1989  (3.817)
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  • 101
    Digitale Medien
    Digitale Medien
    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1016-1016 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A MODERN atlas should show political and natural features, include road communications and aerodrome sites as well as railways and have an index of all names shown on the maps, and, last but not least, should be relatively inexpensive. This "Oxford Atlas" fulfils these requirements. With pages ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681016a0
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  • 102
    Digitale Medien
    Digitale Medien
    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1016-1016 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROF. H. MARK is an international editor par excellence, and by his indefatigable travelling, lecturing, writing and editing in recent years has put all scientific workers in the field of colloid and polymer chemistry in his debt. Dr. E. J. W. Verwey, the other editor, provides an immediate link ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681016b0
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  • 103
    Digitale Medien
    Digitale Medien
    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1016-1016 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN the number of books on ultrasonics which have appeared on the market in recent years, this one takes an honoured place. Dr. P. Vigoureux does not, as a number of other writers do, emphasize the technical applications which have been made of this radiation?which, indeed, in many cases are more ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681016c0
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  • 104
    Digitale Medien
    Digitale Medien
    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1016-1016 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS volume fully maintains the high standard of scientific writing associated with "Metallurgical Abstracts", a publication which is a necessity for any scientific worker concerned with non-ferrous metallurgy. The abstracts are well and clearly written and give as much detail and numerical data as ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681016d0
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  • 105
    Digitale Medien
    Digitale Medien
    Royal Society: Anniversary Address (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1017-1022 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AWARD OF MEDALS, 1951 Copley Medal THE COPLEY MEDAL is awarded to Prof. D. Keilin for his fundamental researches in the fields of protozoology, entomology and the biochemistry of enzymes. Prof. Keilin's early work was on parasitic insects, and it contains much that is of lasting value and some ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681017a0
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  • 106
    Digitale Medien
    Digitale Medien
    Post Office Engineering Research Station (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1022-1023 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] 'OPEN DAYS' THE Post Office Engineering Research Station at Dollis Hill was open for inspection during September 2728, when a large number of representatives of science, industry, the technical press, etc., were invited to visit the Station and view its activities. The Station houses the Research ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681022a0
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  • 107
    Digitale Medien
    Digitale Medien
    Inter-African Bureau of Epizootic Diseases: Mr. W. G. Beaton (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1025-1025 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] UNDER the auspices of the Commission for Technical Co-operation in Africa south of the Sahara, an Inter-African Bureau of Epizootic Diseases is to be set up in Kenya on the site of the East African Veterinary Research Organization at Mugaga, near Nairobi, and Mr. William Gaudenz Beaton, the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681025b0
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  • 108
    Digitale Medien
    Digitale Medien
    Astronomy at University College, London: Prof. W. C. Allen (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1025-1025 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A SUBSTANTIAL bequest from the estate of the late Mr. F. Perren has made possible the establishment of the Perren chair of astronomy in the University of London at University College. The chair will be associated with the Observatory at Mill Hill. The first holder of the new chair is Dr. W. C. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681025a0
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  • 109
    Digitale Medien
    Digitale Medien
    Applications of Physics in the Diagnosis and Treatment of Cancer (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1023-1025 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AMONG a number of scientific and medical gatherings to mark the centenary of the Royal Cancer Hospital, London, S.W.3, the Physical Society held a symposium on the "Applications of Physics in the Diagnosis and Treatment of Cancer" in the Physics Department of the Hospital during October 5-6 ; Prof. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681023a0
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  • 110
    Digitale Medien
    Digitale Medien
    Exhibition on Wild Life Preservation (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1026-1026 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Zoological Department of the National Museum of Wales, Cardiff, has arranged an exhibition to show how man has affected the wild animals of the world, causing some to become rare and others extinct ; and how, in more recent times, he has sought to preserve those in danger of depletion. In the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681026a0
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  • 111
    Digitale Medien
    Digitale Medien
    Quaternary Finds in Belgium (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1026-1026 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] UNFORTUNATELY, no late palaeolithic cave art has yet been discovered in Belgium. But at a number of localities small sculptures and engravings on pieces of stone and bone have been found associated with datable industries in the excavations. Such 'home' art is, of course, not an uncommon occurrence ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681026b0
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  • 112
    Digitale Medien
    Digitale Medien
    Royal Naval Scientific Service: Chief Scientific Officers (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1025-1026 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE following promotions to the rank of chief scientific officer in the Royal Naval Scientific Service have been announced : Mr. J. Anderson, C.B.E., chief scientist at the Admiralty Signal and Radar Establishment, Hasle-mere. Mr. Anderson was educated at the Royal Technical College, Glasgow. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681025c0
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  • 113
    Digitale Medien
    Digitale Medien
    Census of Woodlands in Great Britain (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1026-1026 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE first effort at making a systematic census of woodlands in Great Britain was carried out by the Forestry Commission, the results being published in 1928. Much of this survey was done by voluntary workers and was only partially satisfactory. The next census was planned during 1938-39, but had ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681026c0
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  • 114
    Digitale Medien
    Digitale Medien
    Forestry in Trinidad and Tobago (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1026-1027 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DURING the past twenty years, the annual reports of the Forest Department of Trinidad and Tobago have been fairly consistent and they have reported good work accomplished in the past; they have been hampered by the need for more roads to open up existing forests and by want of staff due to lack of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681026d0
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  • 115
    Digitale Medien
    Digitale Medien
    Fish Collections from the Leeward and Line Islands (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1027-1027 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE George Vanderbilt Pacific Equatorial Expedition of 1951, which was jointly sponsored by the Academy of Natural Sciences of Philadelphia and the California Academy of Sciences, has recently completed a 3-month cruise through the Hawaiian, Leeward and Line Islands, in which it obtained the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681027a0
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  • 116
    Digitale Medien
    Digitale Medien
    Atomic Scientists Association (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1027-1027 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE September issue of the Atomic Scientists News contains, in addition to a report of the annual meeting of the Atomic Scientists Association, an extract from Sir John Cockcroft's lecture on nuclear power which he delivered at the Naturvidenskabelige Sam-fund in April and an article by Prof. R\ E. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681027c0
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  • 117
    Digitale Medien
    Digitale Medien
    British Glaciological Society: Officers for 1952 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1027-1027 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE following have been elected officers for 1952 of the British Glaciological Society : President, G. Selig-man; Vice-Presidents, J. M. Wordie, The Bishop of Portsmouth, Dr. K. Sandford and W. V. Lewis ; Honorary General Secretary, A. H. Bolitho ; Honorary Assistant Secretary, D. W. Humphries ; ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681027d0
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  • 118
    Digitale Medien
    Digitale Medien
    German Hydrographic Institute, Hamburg: Report for 1950 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1027-1027 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE fifth annual report of the German Hydro-graphic Institute (pp. 70+11 plates ; Hamburg, 11 : the Institute," 1951) gives an account of its activities during 1950, and is furnished with an extensive appendix which gives very comprehensive details of the publications issued by the Institute and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681027b0
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  • 119
    Digitale Medien
    Digitale Medien
    Announcements (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1027-1027 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE annual conference of the Geographical Association will be held in the Main (Old) Building and the New Building of the London School of Economics, Houghton Street, Aldwych, London, W.C.2, during January 1-4, 1952. In addition, the annual general meeting of the Association will take place at 3.30 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681027e0
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  • 120
    Digitale Medien
    Digitale Medien
    Lectotypes in Mycology: A Taxonomic Proposal (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1031-1032 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I WISH to direct the attention of taxonomists to a procedure which is becoming common, at least in the nomenclature of Basidiomycetes. It is the method of proposing types (lectotypes) for genera of more than one species. Such typification is, of course, the goal of generic nomenclature, and the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681031a0
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  • 121
    Digitale Medien
    Digitale Medien
    Recent Advances in Organic Fluorine Chemistry (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1028-1031 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE preparation of fluoroiodides has enabled X many routes of interest in synthetic organic fluorine chemistry to be developed. Perfluoro esters and factories. A method for the preparation of fluoroiodides by the interaction of iodine and heavy metal salts of fluoro mono-and di-basic acids has ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681028a0
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  • 122
    Digitale Medien
    Digitale Medien
    Accident Proneness (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1032-1034 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN a contribution to the eleventh issue of "New Biology"* Dr. R. MacKeith suggests that the idea or hypothesis of accident proneness may turn out to be as important for saving lives as sulphonamides and the antibiotics like penicillin have been. In Britain there are 1,000 fatal and 350,000 other ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681032a0
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  • 123
    Digitale Medien
    Digitale Medien
    London to Birmingham Television Link (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1034-1034 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AT a meeting of the Institution of Electrical Engineers on November 8, a paper entitled "The London-Birmingham Television-Cable System" was presented by T. Kilvington, F. J. M. Laver and H. Stanesby, members of the Post Office Engineering Department. This paper described the cable system which ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681034a0
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  • 124
    Digitale Medien
    Digitale Medien
    1,000-Curie Cobalt-60 Units for Radiation Therapy (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1035-1036 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Any attempt to obtain an improvement in the depth-dose by increasing the amount of radium, and correspondingly improving the ratio between the source-to-tumour distance and the source-to-skin distance, is limited by the high cost of radium, and by the required increase in the volume of the source. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681035a0
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  • 125
    Digitale Medien
    Digitale Medien
    The Impossibility of Determining the Sun's General Magnetic Field by Zeeman Effect Measurements (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1036-1036 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Suppose that we observe a certain mass Am of the photosphere. The absorption of a spectral line in a mass element dm is proportioned to a function P (T) which depends mainly on the temperature T. Zeeman-effect measurements in the direction of a z-axis give an apparent field Hz : Ji? cos y.|3 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681036a0
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  • 126
    Digitale Medien
    Digitale Medien
    Anomalous Variation of Young's Modulus of Antiferromagnetics at the Neél Point (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1036-1037 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Temperature ( C.) The measured values of Young's modulus of both bars of oxide as a function of temperature are shown in the accompanying graph. The curves show that for these materials there is a large increase in the value of Young's modulus as the temperature of the specimen is increased ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681036b0
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  • 127
    Digitale Medien
    Digitale Medien
    Charge-Renormalization accompanying Radiative Corrections (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1037-1038 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In some cases one is able to introduce a 'bound interaction representation' by eliminating tf0 and He. The resulting Schrodinger equation gives the correction to the motion of non-interacting particles in the external field due to their interactions. In this representation operators and commutators ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681037a0
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  • 128
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    Digitale Medien
    A Discharge Illuminant for Optical Systems capable of either Continuous or Flash Operation (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1038-1039 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Arc discharge of type F.A.b lamp at 150 V. steady ratingIn an experimental form, the arc tube is a cylinder of hard glass with an electrode sealed into each end, to form an arc gap of several millimetres. The tube contains xenon at a pressure of about 1 atmosphere, and when operating continuously ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681038a0
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  • 129
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    Digitale Medien
    Theoretical Determination of Electron Density in Organic Molecules (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1039-1039 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] (1) One of us (N. H. M.a) has made detailed calculations of the actual electronic density in benzene at points in the molecular plane and in a parallel plane chosen to exhibit the influence of the re-electrons as much as possible. It appears that, except for certain small regions just above and ...
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  • 130
    Digitale Medien
    Digitale Medien
    Activated Adsorption of Hydrogen on Nickel Catalysts (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1040-1041 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] On the other hand, experiments performed on reduced nickel compounds show a different result, as reported for the first time by A. F. Benton and T. A. White3 and since then confirmed by numerous authors, for example, quite recently by H. Sadek and H. S. Taylor4. Although a certain part of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681040a0
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  • 131
    Digitale Medien
    Digitale Medien
    A Novel Synthesis of 2-Methyl-3 : 4-Benzphenanthrene (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1041-1041 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] a-Tetralone was formylated to 2-formyl-l-tetralone (boiling point 136-138/5mm., lit.7 boiling point 1540/ 10 mm.) following the conditions of Birch and Mukh-erji8. Allylation of this compound was effected with allyl iodide in presence of dry sodium ethoxide in benzene to give ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681041a0
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  • 132
    Digitale Medien
    Digitale Medien
    A New Type of Organo-Iron Compound (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1039-1040 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The statements by Job and Reich1 and by Cham-petier2, thab they have obtained stable ethereal solutions of compounds of the type -BFel by reaction of ferrous iodide with organo-zine halides, are based solely on the formation of ferrous hydroxide on hydrolysis, and may be accounted for by the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681039b0
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  • 133
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    Digitale Medien
    Colour Reagents for the Paper Chromatography of Di- and Tri-hydroxy Phenols (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1041-1042 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the present communication a new spray reagent, developed during a comparison of the complex phenolic mixtures formed by the alkaline degradation of the extracts of the bark of Acacia mollissima Willd. (black wattle tannin), A. decurrens Willd. (green wattle tannin) and A. dealbata Link, (silver ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681041b0
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  • 134
    Digitale Medien
    Digitale Medien
    Chromatographic Detection of Pyruvic, Dimethylpyruvic and α-Ketoglutaric Acids in Cultures of Aspergillus niger on Various Substrates (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1042-1043 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We have now found that when preformed felts of A. niger are allowed to float upon a sterile solution of potassium arsenite (0-01 M) in 0-1 M phosphate buffer (pH. 8 -0) at 30 for 12 hr., the mould produces from its reserve material substances which yield derivatives with 2 : ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681042a0
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  • 135
    Digitale Medien
    Digitale Medien
    Production of Ketoglutarate by Penicillium chrysogenum (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1043-1043 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] When washed, starved mycelial suspensions from P. chrysogenum Q11Q var. brevisterign.a1, originally grown in submerged culture, had been shaken aerobic-ally with lactate in presence of arsenite, substantialamounts of keto-acids could be isolated ; we determined their nature after filter-paper ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681043a0
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  • 136
    Digitale Medien
    Digitale Medien
    Chromatography of Adrenotropic Hormone on Ion-exchange Columns (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1044-1045 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] 'protein hormone' was prepared from pig pituitaries by the method of Fishman6, with omission of exposure to strong ammonia. When this protein preparation (activity = approximately 1 X Armour Standard preparation La-l-A) was chromatographed on the synthetic carboxylic acid resin IRC-50 (XE-64)i, the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681044a0
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  • 137
    Digitale Medien
    Digitale Medien
    Inositol, a Major Constituent of the Seminal Vesicle Secretion of the Boar (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1043-1044 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The physiological function of inositol has been mostly linked with its role as vitamin, lipotropic and growth factor5 ; its deficiency has also been reported to cause some disturbance in animal reproduction6. It is interesting to note that in the boar, in any event, inositol is secreted by the same ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681043b0
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  • 138
    Digitale Medien
    Digitale Medien
    Effect of Certain Nucleic Acid Constituents on the Growth of Some Higher Fungi (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1045-1046 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In an earlier study3, almost optimal growth of these two species had been obtained in a purelysynthetic medium with vitamin B! as the only growth-factor added, and the fact that the strains responding to adenine had been in culture for fourteen and seven years, respectively, gave rise to the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681045a0
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  • 139
    Digitale Medien
    Digitale Medien
    Sexual Season in Ewe Lambs (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1046-1047 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Two groups of grade Suffolk ewe lambs were available, one born in January and February and the other born in March and April. They were weighed regularly from birth and were put after weaning with active vasectomized ram lambs for one year. The ram lambs were ochred, and observations for oestrus ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681046a0
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  • 140
    Digitale Medien
    Digitale Medien
    A New Platyctenid Ctenophore from Jamaica (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1047-1047 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In May 1950 five transparent, colourless Platy-ctenids were noticed adhering to the sides of a tank containing the black solitary tunicate, jiscidia nigra Savigny, which had been collected from mangroves on the previous day. Similar Ctenophores were afterwards found in the natural habitat actually ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681047a0
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  • 141
    Digitale Medien
    Digitale Medien
    History of Science and Technology in India and South-East Asia (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1048-1048 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681048a0
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  • 142
    Digitale Medien
    Digitale Medien
    Physics of Social Equilibrium (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1048-1049 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In theoretical physics use is made of simplified models for representing groups of phenomena. The limitations of such models are clearly understood, and their purpose is to facilitate the understanding of observed facts and to provide a heuristic principle for the discovery of new relationships. It ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681048b0
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  • 143
    Digitale Medien
    Digitale Medien
    History of Science and Technology in India and South-East Asia (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1047-1048 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The idea of holding a symposium on the history of sciences in South Asia was first mooted by Dr. D. S. Kothari, one of the secretaries of the Institute, which received the support and co-operation of the Unesco Science Co-operation Office in Delhi. Accordingly, the symposium was held under the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681047b0
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  • 144
    Digitale Medien
    Digitale Medien
    Physics of Social Equilibrium (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1049-1049 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Dr. Fiirth has performed a valuable service in directing attention to a mathematical 'model' which has not so far been made use of in the interpretation of social phenomena. But I can only reassert my view that it would be a retrograde step if we were to allow ourselves to argue by analogy, and to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681049a0
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  • 145
    Digitale Medien
    Digitale Medien
    Non-adaptive or Neutral Characters in Evolution (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1049-1049 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681049c0
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  • 146
    Digitale Medien
    Digitale Medien
    Non-adaptive or Neutral Characters in Evolution (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1049-1049 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I do not claim, as Cartera states, that we must now accept that there is no evolution of non-adaptive- or neutral-characters in Nature. Such a claim would be as difficult to maintain as the claim that genetic drift is common and important. Probably drift does occur, to some extent. But every ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681049b0
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  • 147
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    Digitale Medien
    Appointments Vacant (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1050-1050 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Applications are invited for the following appointments on or before the dates mentioned fore the dates mentioned : SENIOR LECTURER IN PHYSICS at the Frontier College for Women, Peshawar-The High Commissioner for Pakistan, 35 Lowndes Square, London, S.W.I (December 20). PRINCIPAL BIOCHEMIST IN ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681050b0
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  • 148
    Digitale Medien
    Digitale Medien
    Fluorochromy as an Aid in the Resolution of the Specific Granules of the Islets of Langerhans (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1000-1000 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Paraffin sections (3 |i) of Bouin-fixed pancreatic tissue obtained from normal Wistar albino rats were washed in tap water until all visible traces of yellow were removed. Thorough washing is necessary in order to remove picric salts, for if these remain in the sections fluorescence is quenched. A ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681000a0
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  • 149
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    Digitale Medien
    Adaptation in Rodent Moles and Insectivorous Moles, and the Theory of Convergence (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1001-1002 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The most interesting expression of psychological adaptation is observed with regard to the animal's power of orientation, keeping in mind the fact that it is totally blind. Damage to its tunnels may be caused by several factors, the most important of which are large and small Ungulates, rain, dogs ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681001a0
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  • 150
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    Digitale Medien
    Forthcoming Events (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1050-1050 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Monday, December 17 INSTITUTION OF ELECTRICAL ENGINEERS, RADIO SECTION (at Savoy Place, Victoria Embankment, London, W.O.2), at 5.30 p.m.-Mr. E. C. Cherry : "What Practical Benefits can Communication Engineers expect from the Modern Information Theory ?" EOYAL GEOGRAPHICAL SOCIETY (at 1 ...
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    URL: http://dx.doi.org/10.1038/1681050a0
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  • 151
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    Digitale Medien
    Demonstration of Bimolecular Anionotropic Change (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1002-1003 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The earlier attempts2 to detect mechanism SN2' resulted (a) in producing new evidence substantiating the mechanism Sjfl', and (6) in showing that, under conditions leading only to bimolecular reactions, any bimolecular substitution with rearrangement SJI2' was so relatively unimportant as to be ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681002b0
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  • 152
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    Digitale Medien
    A Quantum Mechanical Study of Lithium Hydride (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1002-1002 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In these computations the value of the interatomic distance, B, was put equal to the experimental value, 1 -6 A. As the computed energy values are larger than the experimental value, the neglect of the repulsion between the valence electrons and the electrons in the inner shell of the lithium atom ...
    Materialart: Digitale Medien
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  • 153
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    Digitale Medien
    A New Synthesis of p -Terphenyl and its Derivatives (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1003-1004 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CycloZohexenyl-cyclo-hexanone, prepared according to the method of Wallach8, was condensed with benzene in presence of anhydrous aluminium chloride to give the ketono (I, boiling point 185-190/2 mm. in 85 per cent yield ; semioarbazone, crystallized from ethanol, melting point 227-228). The ketone ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681003a0
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  • 154
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    Digitale Medien
    Transition Effect of the Star-producing Radiation (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1005-1005 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The experimental results concerning the numbers of stars observed in the same volumes of the emulsion under different thicknesses of the absorber are plotted in the accompanying graph. Comparison of the experimental values with the postulated exponential absorption curve shows a well-pronounced ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681005b0
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  • 155
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    Digitale Medien
    Determination of the Mean Life-time of μ-Mesons (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1004-1004 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The mean life-time T0 of ^-mesons was calculated from the formula V (1) where m0 is the rest mass of the [i-meson, p is the effective momentum and L is the mean range before decay. The rest mass of mesons was determined by grain counting and Coulomb scattering methods, giving the result m0 = 110 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681004a0
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  • 156
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    Digitale Medien
    Nuclear Disintegrations caused by Fast Cosmic-Ray Neutrons in Photographic Emulsions (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1005-1005 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Details of this work will be published in the Bulletin international de VAcadinde tcheque des Sciences. I wish to express my gratitude to Prof. V. Petr2ilka for helpful advice in this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681005a0
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  • 157
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    Digitale Medien
    The Decay Scheme of Zinc-65 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1005-1006 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the present work, the branching ratio between the two capture processes has been investigated, using a selective method for the detection of the X-rays in addition to X-y coincidences and a calibrated y-ray counter. The source used was a thin layer of finely ground zinc-65 spread on a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681005c0
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  • 158
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    Digitale Medien
    A Magnetic Analogue of the Joshi Effect (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1006-1007 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] This effect is found ordinarily to be one of suppression -(Ai)H, which is remarkably similar to the Joshi'effect - (Ai)Z〉 caused by irradiation from the extreme red3 to X-rays4. Both the light and magnetic effects involve practically a negligible time-lag5'6, are reversible6'7, are influenced ...
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    URL: http://dx.doi.org/10.1038/1681006a0
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    “The Home Life of an Astronomer” (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1007-1008 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I gladly admit that I am not competent to do justice to my father's scientific work, but I took the precaution of asking astronomical and other scientific friends to check my manuscript, so I shall be surprised if there are any definite errors of statement on scientific matters in my book. In other ...
    Materialart: Digitale Medien
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    “The Home Life of an Astronomer” (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1008-1008 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1681008a0
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  • 161
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    Formula for Creep Curves of Metals (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1007-1007 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Unfortunately, the writers of the letter printed in Nature do not give the values of their four constants that lead to the figures for s given in their Table 1, and Dr. Kennedy has, after some effort, been unable to find values that yield these figures. The validity of my formula has been often ...
    Materialart: Digitale Medien
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  • 162
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    Leadership Training in the Universities (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 769-769 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIB WALTER MOBERLY'S Walker Trust Lecture on Leadership, which he delivered to the University of St. Andrews on February 13, and which is now published (London : Oxf. Univ. Press. 2s. 6d.), was an examination of the grounds on which the universities' traditional task of leadership is disclaimed ...
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  • 163
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    Material Culture of a Micronesian Atoll (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 770-770 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] KAPINGAMABAUGI, an atoll south of the Caroline Islands and just north of the equator, was chosen as the field for an expedition to Micronesia, since it was known to be inhabited by a Polynesian stock. The people are taller and more robust than the Micro-nesians, with typically Polynesian brown skin ...
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  • 164
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    University of London (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 770-770 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE following announcements have been made by the University of London. Mr. A. G. Smith has been appointed to the University readership in applied thermodynamics tenable at the Imperial College of Science and Technology. Doctorates have been conferred as follows : D.Sc, J. G. Boswell (King's ...
    Materialart: Digitale Medien
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  • 165
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    Science and Religion (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 968-969 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Philosophical Discourse delivered before the British Association at Edinburgh this year has one distinction which has not always been possessed by such compositions?it is really philosophical. It deals with a subject which is both relevant to the concerns of the British Association and of ...
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  • 166
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    Glasgow Chemists (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 969-970 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN 1747 a lectureship in chemistry was instituted in the University of Glasgow and was first held by the famous teacher of medicine, William Cullen, followed by Joseph Black, John Robison, William Irvine, Thomas Charles Hope, Robert Cleghorn and Thomas Thomson. Soon after Thomson's appointment the ...
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  • 167
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    Unitary Biology (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 970-970 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROF. E. W. SINNOTT'S thoughtful and stimulating book is based on one forthright, far-reaching thesis. "The position which I wish to defend . . . is briefly this: that biological organization (concerned with organic development and physiological activity) and psychical activity (concerned with ...
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  • 168
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    Quantum Theory of Molecules (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 970-971 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ALTHOUGH the quantum mechanical treatment LX. of atomic and molecular structure is now universally accepted, remarkably few monographs on the subject have yet appeared. This book, by Y. K. Syrkin and M. E. Dyatkina, has already achieved recognition in its original Russian version, and the ...
    Materialart: Digitale Medien
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  • 169
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    Physics for General Honours Students (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 971-971 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE publication of a comprehensive text-book A for students covering the whole subject of physics up to general honours degree standard is an important educational event, and in the short time since it appeared there have already been signs of the cordial reception that this enterprise has ...
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    URL: http://dx.doi.org/10.1038/168971a0
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  • 170
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    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 972-972 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS book was written in Spanish by a A Hungarian, translated into French and retranslated from the French into English. One might have expected from such metamorphoses that the result would be unintelligible; but so carefully has the translator, Marjorie Gabain, done her work that the text reads ...
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    URL: http://dx.doi.org/10.1038/168972a0
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  • 171
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    Chemistry of the Oxidative Metabolism of Certain Aromatic Compounds by Micro-Organisms (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 772-775 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SEVERAL types of micro-organisms, classified into the following six families, Coccaceae, Myco-baeteriaeeae, Bacteriaceae, Pseudomonadaceae, Spiril-laceae and Bacillaceae, are known1, which grow in a simple mineral salt medium with an aromatic compound as the sole source of organic carbon. During ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168772a0
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  • 172
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    Mechanical Engineering Research Organization: Report for 1947–50 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 779-779 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] UNTIL recently it was clear that in Great Britain research in mechanical engineering suffered from lack of any central co-ordination : a considerable amount of work was being done in government, industrial and university research laboratories, but in some branches the researches carried out were ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168779a0
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  • 173
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    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 973-973 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS handbook gives a balanced and informative A picture of a young and vigorous fishing industry expanding in spite of the handicap of a general low level of productivity in the surrounding seas. The freshwater fisheries of Australia are of little importance; but the estuarine fisheries are very ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168973b0
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  • 174
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    Building Research Congress, 1951 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 975-977 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Building Research Congress held in London during September 11-20 was the outcome of co-operation between some two-dozen professional institutions and trade federations interested in building and civil engineering construction, the Department of Scientific and Industrial Research and the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168975a0
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  • 175
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    Digitale Medien
    Localization of Gustatory and Olfactory Enzymes in the Rabbit, and the Problems of Taste and Smell (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 977-979 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT has been shown1 that alkaline glycerophosphatase is localized in the gustatory regions of the tongue in a number of mammals (bat, rabbit and man) and in the olfactory mucosa of the rabbit. Since then, Baradi and Bourne2 have shown that a simple esterase is present in the taste buds and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168977a0
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  • 176
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    Anniversary of Trans-Atlantic Radio (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 980-980 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ON December 12, Marconi's Wireless Telegraph Co., Ltd., is celebrating the fiftieth anniversary of the first demonstration that electromagnetic waves could be transmitted across the Atlantic Ocean, over a distance of 2,200 miles. Following Marconi's early experiments in Great Britain, wireless ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168980a0
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  • 177
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    Mr. P. A. Curry (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 981-981 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PHILIP ARTHUR CUBKY, lately deputy director-general of the Physical Department of the Ministry of Public Works, Egypt, died suddenly at Little- hampton at the age of sixty-seven. After his education at Darlington Grammar School and Trinity College, Cambridge, he joined the Egyptian Survey in 1905. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168981b0
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  • 178
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    Mr. William E. Heath (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 981-981 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE sudden death on October 25 of Mr. William E. Heath, reader in agricultural economics and vice-dean of the Faculty of Agriculture and Horticulture of the University of Nottingham, was a heavy loss to agricultural economists in the United Kingdom. Although only forty-five years of age, he was ...
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  • 179
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    Zoology at Birmingham: Prof. O. E. Lowenstein (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 981-981 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DB. O. E. LOWENSTEIN, whose appointment as Mason professor of zoology in the University of Birmingham in succession to Prof. P. B. Medawar has recently been announced, was born and educated in Munich. He became assistant to Prof, von Frisch; but when the Nazi party came to power he left Germany in ...
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  • 180
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    Melvil Dewey (1851–1931) (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 981-982 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SCIENTIFIC libraries throughout the world to-day use the Dewey decimal system of classification or one of its modifications. Its originator, Melvil Dewey, was born at Adams Center, New York, a century ago, on December 10, 1851. In his youth he already displayed an enthusiasm for classification and ...
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  • 181
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    The Coal Industry of Great Britain (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 982-982 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE study of the coal industry carried out by the Acton Society Trust and published under the title "The Extent of Centralization" merits the attention of a wider field than those directly connected with the industry, for it may be saidj;hat the economy of Great Britain as a whole hinges upon coal, ...
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  • 182
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    Antiquity of the Australian Aborigines (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 982-982 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AT the Brisbane meeting of the Australian and New Zealand Association for the Advancement of Science, Mr. Edmund D. Gill, palaeontologist in the National Museum of Victoria, gave an address on new evidence for the antiquity of man in Australia. He pointed out that Sir Richard Owen described the ...
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  • 183
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    British Bulletin of Spectroscopy (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 982-982 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A NEW venture in the literature of spectroscopy started this September with the first number of the British Bulletin of Spectroscopy. It is in the form of a four-page news sheet with notices of forthcoming events, reports of various meetings in Britain and overseas, and notes and comments on recent ...
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  • 184
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    The Fair Isle Bird Observatory (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 982-983 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE second annual report of the Fair Isle Bird Observatory Trust is, like the first, a record of sound work well done. During 1950 active field-work was carried out for a period of twenty-eight weeks, the work of trapping and bird-ringing being continued by the Warden during the rest of the year. ...
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  • 185
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    Imperial Forestry Institute, Oxford: Annual Report for 1949–50 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 983-983 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE twenty-sixth annual report of the Imperial Forestry Institute covers the year 1949-50 (pp. 27; Oxford: the Institute, 1951). The number of students attending the Institute during the year was fifty-nine, thirty-nine being undergraduates. The record number of thirty took the final honours ...
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  • 186
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    Dynamics for Mathematicians (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 714-715 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN these days a book on dynamics rarely describes recent discoveries ; it is normally a presentation of long-established facts. It is to be classified according to the class of student for whom it is written, and the clarity and interest of the presentation. The recent work by the late E. H. Smart, ...
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    URL: http://dx.doi.org/10.1038/168714b0
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  • 187
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    Chromosome Numbers of Cerastium Species (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 793-794 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Species 2 Original source of material C. arvense L. 72 Isle of Man C. viscosum L. 72 Malham Tarn, Yorkshire C. dichotomum L. 38 Not known. Seed obtained from Botanika Zahrada University. Karlovy, Prague C. tomentosum L. 72 Not known. Cultivated garden plant Abisko, Sweden C. alninum L. c. 144 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168793b0
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  • 188
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    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 717-717 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS reprint restores to currency one of the most famous of the Borel tracts. The study of algebraic functions of a single variable rested securely on the pillars of function theory and topology, but the extensions and generalizations to higher dimensions were unsatisfactory until Lefschetz took ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168717c0
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  • 189
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    Digitale Medien
    Ramsay Memorial Fellowships for Chemical Research (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 983-984 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Ramsay Memorial fellowships for chemical research for 1951-52 have been awarded as follows: L. E. Lyons, a British fellowship of £500 a year at University College, London; James Jack, a Glasgow fellowship of £500 at the University of Cambridge; Dr. K. O. G. Kutscke, a Canadian ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168983e0
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  • 190
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    Digitale Medien
    The Scientific Outlook in 1851 and in 1951 (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 725-725 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS is the title of a Discourse delivered at the Royal Institution by Prof. H. Dingle last March, and reproduced as an article in the August issue of the British Journal for the Philosophy of Science. Prominence has been given at the recent Festival Exhibitions to the difference that science has ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168725b0
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  • 191
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    Digitale Medien
    Christmas Lectures for Juveniles (London) (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 984-984 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A NUMBER, of lectures for juvenile audiences, to be held in London during the Christmas holidays, are being arranged by various organizations. At the Royal Institution (21 Albemarle Street, W.I), the Christmas Lectures "to a juvenile auditory" will be given by Prof. James Gray on "How Animals Move" ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168984b0
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  • 192
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    Announcements (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 984-984 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIB DAVID BBUNT, professor of meteorology in the Imperial College of Science and Technology, University of London, has been appointed to the Board of Directors of the Fulmer Research Institute, Stoke Poges, Bucks. The Institute was founded in 1946 on the initiative of Colonel W. C. Devereux, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168984d0
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  • 193
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    Digitale Medien
    Scientific Advisers for Civil Defence (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 984-984 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Home Secretary has announced that the following men of science have been appointed, in a voluntary capacity, to advise on civil defence in the regions indicated: South Western Region (Bristol): senior scientific adviser, Prof. W. E. Garner; scientific advisers, Prof. S. H. Piper and Prof. F. H. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168984c0
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  • 194
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    Digitale Medien
    The In Vitro Formation and Disposal of Carbon Monoxide in Blood (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 729-730 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CARBON monoxide is constantly exhaled in V^〉human respiration, even when every possible external source of carbon monoxide is excluded1. It has also been shown that if blood is incubated at 38 C. for 10-24 hr., there is a constant increase of a factor which is determined as carbon monoxide. This ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168729a0
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  • 195
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    Digitale Medien
    Second International Congress on Astronautics (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 733-734 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE second International Congress on Astro-1 nautics was hold in London during September 3-8. It was attended by nearly fifty delegates representing societies and groups interested in astronautics from Argertina, Austria, France, Germany, Great Britain, Italy, Spa;n, Sweden, Switzerland and the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168733a0
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  • 196
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    Digitale Medien
    [Book Reviews] (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 717-717 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE general mathematical theory of operators has been much advanced by von Neumann's lectures at the Institute for Advanced Study, Princeton, now printed in the "Annals of Mathematics Studies". The first volume is almost entirely devoted to the theory of integration, which is given in a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168717d0
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  • 197
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    The Chemical Research Laboratory, Teddington (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 723-724 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS year 'open days' at the Chemical Research Laboratory, Teddington, were held during September 19-21, and many representatives of industrial firms, universities, government departments and the Press took the opportunity to view the work in progress. It may be mentioned that a new laboratory is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168723a0
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  • 198
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    Digitale Medien
    Cone Electroretinography by Flicker (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 738-738 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] According to Karpe and Tansley1, the threshold of the scotopic 6-wave of the electroretinogram is higher than the sensory threshold. In agreement with expectations from the general theory of the electroretinogram2, Adrian3 found the photopic electroretinogram to be characterized by larger initial ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168738a0
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  • 199
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    Digitale Medien
    Utilization of Gluconate and Glucose in Growing and Virus-infected Escherichia coli (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 746-747 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The reaction of glucose-6-phosphate to 6-phosphogluconate has been considered to be essentially irreversible. If this were true, the metabolism of gluconate, for example, could only proceed via the oxidative pathway. To test this, we have measured the liberation of carbon dioxide from the Cx of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168746a0
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  • 200
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    Digitale Medien
    Forthcoming Events (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 751-751 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] (Meetings maked with an asterisk * are open to the public) Monday, October 29 INSTITUTION OP ELECTRICAL ENGINEERS, RADIO SECTION (at Savoy Place, Victoria Embankment, London, W.C.2), at 5.30 p.m. Discussion on "The Social Implications of television" (to be opened by Mr. F. H. Townsend). Tuesday, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168751a0
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