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  • Nature Publishing Group  (2.152)
  • 1980-1984
  • 1930-1934  (2.152)
  • 1931  (2.152)
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Verlag/Herausgeber
Erscheinungszeitraum
  • 1980-1984
  • 1930-1934  (2.152)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    National Needs (II.). (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1053-1055 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] "Son, I am wearied of that Madrissah (school) where they take the best years of a man to teach him what he can only learn upon the road."?The Mahbub to Kim. "Sciencia vinces?whether it be on the field of battle, on the waves of the ocean, amid the din and smoke of the workshop or on the broad ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281053a0
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  • 2
    Digitale Medien
    Digitale Medien
    (1) Modern Radio Communication: a Manual of Modern Theory and Practice, covering the Syllabus of the City and Guilds Examination and suitable for Candidates for the PMG Certificate (2) The Cable and Wireless Communications of the World: a Survey of Present Day Means of International Communication by Cable and Wireless; containing Chapters on Cable and Wireless Finance (3) The Theory and Practice of Radio Frequency Measurements: a Handbook for the Laboratory and a Textbook for Advanced Students (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1057-1058 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE new edition of a technical work presents acute problems to the author, the publisher, the librarian, the reader, the editor, and the reviewer. A rapidly advancing art and a widely distributed literature demand frequent revisions of ^jfeese ' zusammenfassenden Berichte ' on which the harassed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281057a0
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  • 3
    Digitale Medien
    Digitale Medien
    A School Algebra: as far as the Advanced Course in the School Certificate Stage (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1061-1061 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS textbook is designed to cover a school course in algebra up to the stage of the advanced papers in school certificate examinations. It is divided into two parts, the first comprising twelve good chapters on the fundamentals, and the second an additional thirteen chapters on the progressions, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281061b0
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  • 4
    Digitale Medien
    Digitale Medien
    Prof. Carveth Read. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1067-1067 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROF. CARVETH READ, whose death occurred -^ on Dec. 6 at Solihull, was born at Falmouth on March 16, 1848. He counted among the contemporary philosophers who have been most influenced by science and scientific ideas. His early logical studies, which found their expression in an essay " On the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281067a0
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  • 5
    Digitale Medien
    Digitale Medien
    [News and Views] (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1068-1072 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ON Dec. 29 occurs the bicentenary of the death of Brook Taylor, who in his day was considered the most notable British mathematician after Newton, and who counted among his contemporaries Halley, Cotes, Saunderson, Colson and Maclaurin. Born on Aug. 18, 1685, at Edmonton, Middlesex, Taylor entered ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281068a0
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  • 6
    Digitale Medien
    Digitale Medien
    Research in Wood Preservation. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1083-1084 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE problems of wood preservation are of worldwide interest, perhaps never more so than at the present time of economic stress, when the world is threatened with a shortage of its timber supplies. The discussion on this subject, held under the chairmanship of Sir Alexander Rodger, in the Department ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281083b0
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  • 7
    Digitale Medien
    Digitale Medien
    Societies and Academies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1086-1087 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] LONDON. Society of Public Analysts, Dec. 2. H. W. Buston: A micro-method for the determination of uronic anhydride groups in pectic substances. The method involves distillation with dilute hydrochloric acid and measurement of the resulting carbon dioxide. The process is complete in 60-70 min., and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281086a0
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  • 8
    Digitale Medien
    Digitale Medien
    Diary of Societies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1087-1088 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] TUESDAY, DECEMBER 29. ROYAL INSTITUTION OF GREAT BRITAIN, at 3.?Sir William Bragg: The Universe of Light (Christmas Lectures) (1): The Nature of Light. WEDNESDAY, DECEMBER 30. BRITISH ASTRONOMICAL ASSOCIATION (at Sion College), at 5. THURSDAY, DECEMBER 31. ROYAL INSTITUTION OF GREAT BRITAIN, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281087a0
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  • 9
    Digitale Medien
    Digitale Medien
    A Treatise of Formal Logic: its Evolution and Main Branches, with its Relations to Mathematics and Philosophy (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1021-1023 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] OF all the branches of philosophy, logic alone has had the distinction of being claimed by the exact sciences as one of them. The event is of recent occurrence; in fact, it has happened only since logic has taken to mathematical symbolism. So long as logic reigned over philosophical logomachies, it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281021a0
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  • 10
    Digitale Medien
    Digitale Medien
    Distribution of Agar-liquefying Bacteria. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1041-1042 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SEVERAL strains of an organism which attacks and softens agar-agar have recently been isolated in this laboratory. The organism forms small, slowly growing, yellow colonies which grow well in the usual agar media; the colony is invariably situated in the centre of a circular area of softening. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281041c0
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  • 11
    Digitale Medien
    Digitale Medien
    Integrative, Psychology: a Study of Unit Response (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1025-1026 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] " INTEGRATIVE PSYCHOLOGY " stands midway between the classical school of introspection and psychoanalysis. It claims to organise the subject matter of psychology and to give its adherents practical knowledge about themselves, applicable to the personal problems of their everyday lives. The ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281025c0
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  • 12
    Digitale Medien
    Digitale Medien
    The Changing Outlook in Agriculture (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1027-1030 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AGRICULTURE as an art was already far advanced when the first meeting of the British Association was held in 1831. It was then entirely empirical. Scientific work was, however, beginning, and round about 1840 three important events occurred: Liebig published his epoch-making essay on the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281027a0
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  • 13
    Digitale Medien
    Digitale Medien
    Homo sapiens and African Prehistory. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1003-1004 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE confirmation by Dr. Leakey and Mr. Hopwood of the antiquity of Hans Reck's Oldaway man, and Mr. Reid Moir's letter in NATURE of Nov. 7, encourage me to publish, for the first time, a disconcerting discovery made in Uganda about a year ago. At Nsongegi, in Ankole, the Kagera river is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281003b0
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  • 14
    Digitale Medien
    Digitale Medien
    Superconductivity at High Frequencies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1004-1004 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WE have recently repeated with unsilvered vacuum flasks our experiments reported in NATURE of Aug. 29, p. 373, and in the Phil. Mag. of September last, and find lead and tin become superconducting with currents having frequencies of the order of 107 per second. We also find that ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281004d0
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  • 15
    Digitale Medien
    Digitale Medien
    The Lister Institute. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1009-1010 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Report of the governing body of the Lister J- Institute for 1931 refers to the various changes "which have occurred in the membership of the governing body, council, and members and staff of the Institute during the past year, and describes in brief the numerous researches in which the staff ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281009a0
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  • 16
    Digitale Medien
    Digitale Medien
    Birthdays and Research Centres. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1012-1012 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Dec. 13, 1874.Prof. R. S. TBODP, C.I.E., F.R.S., professor of forestry in the University of Oxford and Director of the Imperial Forestry Institute, Oxford. Among the many important problems affecting the British Empire at the present time there are few which afford more scope for useful ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1281012a0
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  • 17
    Digitale Medien
    Digitale Medien
    Science and Agriculture in New Zealand. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 981-982 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SINCE Lord Bledisloe's appointment as Governor-General of New Zealand, he has taken every opportunity of emphasising the need for scientific work as the basis of development of the country's resources. He has the unusual advantage of combining administrative ability with agricultural knowledge and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128981a0
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  • 18
    Digitale Medien
    Digitale Medien
    Recent Developments in Optical Glass Manufacture. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 926-928 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE demand for particular types of optical glass has changed considerably during the post-War period, largely under the influence of the remarkable development of the modern photographic lens, which has been based on the production of the more extreme types of glass, notably the barium crowns. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128926a0
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  • 19
    Digitale Medien
    Digitale Medien
    [Obituary] (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 930-930 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WE regret to announce the following deaths:- Major-General Sir David Bruce, K.C.B., F.R.S., president of the British Association at the meeting at Toronto in 1924, who was a pioneer in the study of tropical medicine, on Nov. 27, aged seventy-six years. Mr. James H. Dellbridge, who was second ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128930b0
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  • 20
    Digitale Medien
    Digitale Medien
    The Paradox of the Ludicrous (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 988-989 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE real nature of laughter may be described as a standing scientific puzzle. Some of the greatest names in the history of philosophic thought, say from Hobbes to Bergson, are associated with attempts to solve the puzzle. Why do we laugh at the sight of a bishop running after his hat ? Is it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128988c0
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  • 21
    Digitale Medien
    Digitale Medien
    Agricultural Entomology. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 943-944 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN this book the author has restricted himself to the treatment of insect pests of the farm, to the exclusion of fruit insects. By way of introduction, Dr. Smith briefly discusses the current methods of insect control and their application to farm practice, namely, insecticidal or chemical, ...
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    URL: http://dx.doi.org/10.1038/128943a0
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  • 22
    Digitale Medien
    Digitale Medien
    Viscometry. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 947-948 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE author begins his preface by commenting on the striking disproportion between the small number of works devoted to the subject of viscosity and the enormous number of papers which deal with one or the other of its aspects. Such books as there are give a limited space only to methods of ...
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    URL: http://dx.doi.org/10.1038/128947a0
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  • 23
    Digitale Medien
    Digitale Medien
    Anthropology and Archæology. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 951-952 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS volume is the first of a series to be published by the trustees of Herbert Spencer's will in continuation of his " Descriptive Sociology ". Up to a point, Islam lends itself to the treatment which Spencer planned. Mohammedan communities have common characteristics based on their religion which ...
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    URL: http://dx.doi.org/10.1038/128951c0
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  • 24
    Digitale Medien
    Digitale Medien
    Psychology. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 954-954 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE author gives us what he considers is a useful dissertation on psychology in general, suitable for boys and girls who have just left, or are about to leave, school. We think a better title might have been chosen; comparatively few children of school-leaving age show any great interest in ' the ...
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    URL: http://dx.doi.org/10.1038/128954c0
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  • 25
    Digitale Medien
    Digitale Medien
    Agriculture. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 955-955 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN 1913 the exports of citrus fruit from South Africa amounted to 70,000 cases; by 1929 this had risen to 1,200,000. At the present time only 22 per cent of the citrus trees in the Union of South Africa are more than eight years old. Citrus groves are established from the Zoutpansberg, in the north ...
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    URL: http://dx.doi.org/10.1038/128955a0
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  • 26
    Digitale Medien
    Digitale Medien
    Geography and Travel. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 956-956 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE author, a doctor in Zurich, visited East Africa in 1928?29 and ascended Kilima Njaro, the highest of African mountains. His book contains a short, interesting account of the country and its people, and conveys a pleasing impression of the author's ecstatic enjoyment of the beauties and wonders ...
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    URL: http://dx.doi.org/10.1038/128956a0
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  • 27
    Digitale Medien
    Digitale Medien
    Miscellany. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 964-964 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROF. PERRY says there is a sort of gentlemen's agreement not to ask ultimate questions. " People do not as a rule insist upon knowing the meaning of things, further than to assign them a place in their world of familiar objects." Yet philosophy differs from other studies in that it continues to ...
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    URL: http://dx.doi.org/10.1038/128964c0
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  • 28
    Digitale Medien
    Digitale Medien
    The Atomic Weight of Fluorine. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 966-967 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MESSRS. H. S. Patterson, R. Whytlaw-Gray, and W. Cawood have published1 some preliminary results on a new revision of the molecular weight of methyl fluoride which seems to lead to the value 19.010 for the atomic weight of fluorine. I should like to point out that the references ...
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    URL: http://dx.doi.org/10.1038/128966b0
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  • 29
    Digitale Medien
    Digitale Medien
    Properties of Aerosols. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 968-968 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MESSRS. W. Cawood and H. S. Patterson's letter1 describing “A Curious Phenomenon shown by Highly Charged Aerosols” is very interesting from the viewpoint of spontaneously electrified aerosols, as well as from that of aerosols electrically charged from an independent source such ...
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    URL: http://dx.doi.org/10.1038/128968a0
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  • 30
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    Digitale Medien
    Carbon Contacts. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 968-968 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN his delightful article on the Hope-Jones clock, in NATURE of Oct. 17, Prof. Boys refers to the difficulty of obtaining sure and certain contact for electrical purposes with light pressure. This difficulty may be overcome by using carbon contacts. I have had a station voltage regulator in ...
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    URL: http://dx.doi.org/10.1038/128968b0
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  • 31
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    Digitale Medien
    Carbon Contacts. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 968-968 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE contact difficulties to which I referred were those of fifty years ago with light or hesitating contacts backed by insufficient volts. I did not intend to imply that at the present time with new materials and abundant volts contacts need give any trouble. I have for a long time recommended ...
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    URL: http://dx.doi.org/10.1038/128968c0
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  • 32
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    Official Publications Received. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 980-980 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BRITISH. North-East Coast Institution of Engineers and Shipbuilders (Incorporated). Report of the Council, 1930-1931. Pp. 18. (Neweastle-on-Tyne.) Department of Scientific and Industrial Research. Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology ...
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    URL: http://dx.doi.org/10.1038/128980a0
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  • 33
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    Miscellany. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 964-964 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE main purpose of this inspiring book is to propose a new structural method of physics where relativity and the quantum theory are shown as special cases of a more general limitation on the classical frame. The proposed method, which the author calls ' unitary theory ', is a deductive theory of ...
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    URL: http://dx.doi.org/10.1038/128964b0
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  • 34
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    Digitale Medien
    Electron Exchange Phenomena in the Excited Atom. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 966-966 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN an interesting paper recently published,1 H. S. W. Massey and C. B. O. Mohr have calculated the relative electron excitation probabilities in the case of helium. These calculations, while following up the previous work of Oppenheimer, Born, and Dirac, take into ...
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    URL: http://dx.doi.org/10.1038/128966a0
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  • 35
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    Digitale Medien
    Uteroverdin. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 967-968 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ONE of us1 has recently isolated oocyan—the blue-green pigment of the shells of many birds' eggs—and characterised it as an ether-soluble pyrrol pigment closely related to the bile pigments. We have now found a second example of this class of substances in the green pigment of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128967c0
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  • 36
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    Digitale Medien
    Oxygen and Everest. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 893-894 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE recent success of the British Himalayan Expedition in climbing, without the use of oxygen, ten of the greater Himalayan peaks, including Kamet (25,447 feet), the highest summit yet attained, has brought once more into prominence the question of the use of oxygen on Everest. It is a question on ...
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    URL: http://dx.doi.org/10.1038/128893a0
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  • 37
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    Digitale Medien
    Plant Breeding in Germany. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 975-975 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE acceptance by Dr. Baur of the invitation of the Royal Horticultural Society to give the Masters Lectures in 1931 has resulted in the publication, in the Journal of the Horticultural Society, vol. 56, Part II, of two lectures which contain, in the first place, a most effective short statement of ...
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    URL: http://dx.doi.org/10.1038/128975a0
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  • 38
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    Digitale Medien
    Diary of Societies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 979-980 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FRIDAY, DECEMBER 4. ROYAL SOCIETY OF MEDICINE (Otology Section), at 10.30 A.M. INSTITUTION or WATER ENGINEERS (at Institution of Civil Engineers), at 10.30 A.M. ROYAL SOCIETY OF ARTS (Indian Section), at 4.30. Sir George Birdwood Memorial Lecture. ROYAL SOCIETY OF MEDICINE (Laryngology ...
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    URL: http://dx.doi.org/10.1038/128979a0
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  • 39
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    Digitale Medien
    Mental Nursing (Simplified) (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 892-892 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DURING the last decade great progress has been made in the nursing of the mentally afflicted. This most difficult branch of nursing in many ways requires more attention and training than its sister branches, due to the fact that the mental side is the more important and is a really difficult ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128892c0
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  • 40
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    Digitale Medien
    The Principles of Evolution Revealed by Palæontology. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 894-897 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN honour of Darwin our first thought is that natural selection is the sole survivor of the age-long theories and hypotheses clustering about evolution. Selection alone has stood the test of survival of the fittest, yet we must severely limit the powers of selection as Darwin imagined them in his ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128894a0
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  • 41
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    Digitale Medien
    Diary of Societies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 919-920 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FRIDAY, NOVEMBER 27. ROYAL SANITARY INSTITUTE (at Town Hall, Sheffield), at 3. ANDERSONIAN CHEMICAL SOCIETY (at Royal Technical College, Glasgow), at 3.15. DIESEL ENGINE USERS' ASSOCIATION (at Caxton Hall), at 3.30. ROYAL ASTRONOMICAL SOCIETY (Geophysical Discussion), at 4.30. ROYAL SOCIETY or ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128919a0
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  • 42
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    Digitale Medien
    Advanced Calculus : a Sequel to An Elementary Treatise on the Calculus (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 851-852 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE late Prof. Gibson's "Elementary Treatise on the Calculus" won the admiration of scrupulous teachers for a carefulness far in excess of what was thought adequate thirty years ago in a first course on the subject. After his resignation in 1927, Prof. Gibson prepared a sequel, of which with ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128851a0
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  • 43
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    Digitale Medien
    Slow Combustion of Hydrocarbons. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 873-873 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Two recent papers by S. Lenher1 on the slow thermal oxidation of ethylene afford very striking confirmation of a modification of Bodenstein's mechanism2 for the oxidation of acetylene, which I have developed to explain the proportions in which carbon monoxide, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128873a0
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  • 44
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    Digitale Medien
    Gauss's Investigations on Electrodynamics. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 339-341 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE greatness of the life-work of an investigator is revealed most clearly, perhaps, when we contemplate his influence on the scientific work of his contemporaries. I propose to endeavour to show the influence exerted by Faradays discovery of electromagnetic induction on the physical investigations ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128339a0
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  • 45
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    Digitale Medien
    The Study of Forest Entomology in India. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 767-767 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIRTY years ago the entomology of the forests J- of India and its study were still a closed book. Types of forest insects had found their way into the national museums and private collections in Europe, and thus received a name. But, as became apparent during the first decade of the present ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128767a0
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  • 46
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    Digitale Medien
    The Faraday Festival. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 352-353 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE whole scientific world will join in celebrating Faradays discovery of electromagnetic induction, and it will certainly not be passed over in Bohemia. I may be excused if I begin with myself. In our middle school (gymnasium) we had a most excellent teacher of physics, Prof. Pokorn½. In his clear ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128352a0
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  • 47
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    Digitale Medien
    The Faraday and British Association Centenaries. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 328-328 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Royal Institution, the Institution of Electrical Engineers, and the British Association have recently issued programmes of the various events arranged in connexion with the Faraday centenary celebrations and the British Association centenary meetings, being held in London in September. From ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128328a0
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  • 48
    Digitale Medien
    Digitale Medien
    Faraday and Ørsted. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 337-339 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ØRSTEDS discovery of electromagnetism came as a surprise to the scientific world and apparently without any preparatory work. It was communicated in a paper (July 1820), which in the briefest form possible gave an account of the conditions under which the experiments were made and of their results. ...
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    URL: http://dx.doi.org/10.1038/128337a0
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  • 49
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    Digitale Medien
    Italian Physicists and Faraday's Researches. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 342-345 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE discoveries made by Faraday were so numerous and important that they brought about a new and immense development of physics, and inspired the most varied and remarkable practical applications. The concepts that guided him in his famous experiments modified our ideas of natural phenomena so ...
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    URL: http://dx.doi.org/10.1038/128342a0
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  • 50
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    Digitale Medien
    Societies and Academies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 770-770 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] LONDON. The Optical Society, Oct. 15.-F. Twyman and A. Harvey: The validity of the Schwarzschild relation as applied to the use of the logarithmic sector. A direct experimental test is made of the Schwarzschild relation as applied to the logarithmic sector used in conjunction with a quartz ...
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    URL: http://dx.doi.org/10.1038/128770a0
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  • 51
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    Digitale Medien
    Diary of Societies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 771-772 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FRIDAY, OCTOBER 30. ASSOCIATION OF ECONOMIC BIOLOGISTS (in Botany Department, Imperial College of Science and Technology), at 11.30 A.M.- R. H. Stou"hton · Nuclei, Reproductive Bodies, and Cell-fusion in a Bacterium.- T. H. C. Taylor: Control of the Lavuana Moth in Fiji.- Dr. P. H. Gregory: The ...
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    URL: http://dx.doi.org/10.1038/128771a0
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  • 52
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    Digitale Medien
    Native Administration in Africa. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 685-687 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DURING the past few years, incidents have occurred from time to time in certain parts of the British Empire which suggest that British administrators are losing their hold on the minds, if not the affections, of the indigenous races of the tropics. There can be no doubt that, if greater insight ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128685a0
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  • 53
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    Digitale Medien
    Age of Certain Gravels in the New Forest Area. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 378-378 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I WAS much interested in reading Mr. Burkitt's letter under the above heading,1 since some of his conclusions coincide with those that I had formed after a study of similar deposits in the basins of the Thames and Kennet in Berkshire.2 He suggests that implements ...
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    URL: http://dx.doi.org/10.1038/128378a0
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    Digitale Medien
    (1) London and the Advancement of Science (2) The British Association for the Advancement of Science : a Retrospect, 1831–1931 (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 687-689 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] (London: British Association, 1931.) THE object of the British Association is, and J- always has been, the advancement of science. By means of its annual meetings at home and in the Dominions, by financial help towards scientific research, and by the printed reports of its yearly assemblies, it ...
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    URL: http://dx.doi.org/10.1038/128687a0
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  • 55
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    Digitale Medien
    The Transactions of the Entomological Society of London (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 689-690 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SOME two years since, Mr. B. P. Uvarov, well known as a leading authority on insect nutrition and metabolism, and more particularly for his work on the periodicity of locust invasions, undertook at the instance of the Dietetics Committee of the Committee of Civil Research, and under the auspices of ...
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    URL: http://dx.doi.org/10.1038/128689a0
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  • 56
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    Digitale Medien
    International Research Council: International Astronomical Union (Union Astronomique Internationale) (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 690-690 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE confusion caused by the rather indefinite and entirely irrational delimitation of boundaries between constellations has now been successfully attacked by the International Astronomical Union's commission on notation. No reform could be reasonably expected to ignore entirely the old traditional ...
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    URL: http://dx.doi.org/10.1038/128690a0
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  • 57
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    Digitale Medien
    Health and Education in the Nursery (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 690-690 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE scientific study of motherhood and of babyhood has made great headway in recent years, and has made possible the production of such a book as this, a book which combines simplicity of statement with accuracy of fact. Its contents were formerly published as two separate volumes, which are here ...
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    URL: http://dx.doi.org/10.1038/128690b0
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    Digitale Medien
    The Concentric Method in the Diagnosis of Psychoneurotics (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 690-690 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN the book before us, Laignel-Lavastine presents his methods of examination and treatment of the psycho-neurotic in a series of lectures which were originally delivered at La Piti6 Hospital, Paris. His method consists of emphasising the manifold aspects of any case of mental disorder. It is not a ...
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    Maxwell and Modern Theoretical Physics. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 691-692 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I FEEL greatly honoured in being given this opportunity of paying a tribute of reverence to the memory of James Clerk Maxwell, the creator of the electromagnetic theory, which is of such fundamental importance to the work of every physicist. In this celebration we have heard the Master of Trinity ...
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    Southern Whaling. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 292-294 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN Southern Whaling Sir Sidney Harmer reviews the present position of the whaling industry and summarises our knowledge, obtained largely as the result of commercial operations, of the biology of the great whales. The statistics, gathered with scrupulous care, show clearly the great ...
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    Magnetic Experiments on the Cosmic Rays. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 300-301 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BOTHE and Kolhörster1 wore the first to show that the cosmic rays manifest themselves to us as highly penetrating corpuscular rays. Direct experimental data on the nature as well as on the energy of these rays are still lacking; they might be obtained by experiments on the ...
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    URL: http://dx.doi.org/10.1038/128300a0
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  • 62
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    Function of Water Vapour in the Dissociation of a Salt Hydrate. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 302-302 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN measuring the influence of the gaseous product upon the velocity of dissociations of the type ... we have found an interesting effect with the reaction: ... which goes on slowly in a vacuum at 76°, at which temperature the dissociation pressure is approximately 135 mm. The reaction ...
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    URL: http://dx.doi.org/10.1038/128302a0
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  • 63
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    [Obituary] (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 295-295 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WE regret to announce the following deaths: Prof. W. E. Dixon, F.R.S., University lecturer in pharmacology at Cambridge and formerly professor of pharmacology in King s College, London, on Aug. 16. Prof. J. W. Hinchley, professor of chemical engineering in the Imperial College of Science and ...
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  • 64
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    Diamagnetism of Liquid Mixtures. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 301-302 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WITH regard to the discussion in NATURE by Trew and Spencer1 and Ranganadham2 on the diamagnetism of liquid mixtures, I should like to communicate the following data based on measurements carried out by me. 1 find that the deviations from the susceptibility ...
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    Structure of the Trifluorides of Aluminium, Iron, Cobalt, Rhodium, and Palladium. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 303-303 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] UNTIL recently very little was known about the structure of these trifluorides.1,2 An examination by the powder method was made of aluminium and iron trifluorides, forming a part of an investigation on the structure of the trihalogen salts of aluminium, iron, and chromium. Tho ...
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    URL: http://dx.doi.org/10.1038/128303a0
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  • 66
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    Œuvres scientifiques (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 239-240 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THESE two imposing volumes are the second fruits of the devotion of Mlle. Janssen to the memory of her father. On Janssen's death, in December 1907, she took upon herself the task of raising a memorial of his long and distinguished scientific career, and with the co-operation of M. Deherain, whose ...
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    URL: http://dx.doi.org/10.1038/128239a0
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    Contributions to a British Association Discussion on the Evolution of the Universe. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 704-706 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I PROPOSE to give some answer to the two questions raised by Sir James Jeans, which so clearly summarise the present state of the problem of the evolution of the universe. I will begin with the second question, because I think that its solution may throw some light on the first one: " Is the ...
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    URL: http://dx.doi.org/10.1038/128704a0
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    Contributions to a British Association Discussion on the Evolution of the Universe. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 701-704 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WE are, of course, discussing only the physical universe. Here strict determinism reigns, because even if there is no determinism in the behaviour of individual atoms, there are so many atoms in even the tiniest bit of matter that we may take an average. The laws of probability provide something ...
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  • 69
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    Intermediate Mechanics (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 244-244 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] This very competently written volume, designed to cover all requirements up to Higher Certificate and University Scholarships standard, leaves one with a dream-like feeling that the Saturnian days of the old Cambridge mathematics have not yet passed away. Here are no philosophic doubts concerning ...
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    URL: http://dx.doi.org/10.1038/128244b0
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    The Ecological Viewpoint. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 245-248 
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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 history of science, and particularly the detailed history of single sciences, is of very great importance for all scientific workers. The history of botany is as interesting as any. As the content of the subject, like other sciences, increased so vastly during its development, ...
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    URL: http://dx.doi.org/10.1038/128245a0
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    The Architecture of the Solid State. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 248-250 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE electrostatic basis of the interatomic forces explains in a very elegant way the structures of compounds which contain a number of ions of different kinds. The principle of electrostatic valency in such compounds has been formulated by Pauling. Suppose a number of ions to come together to form ...
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    URL: http://dx.doi.org/10.1038/128248a0
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  • 72
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    Birthdays and Research Centres. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 314-315 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Aug. 23, 1869. Dr. R. T. GUNTÎER, curator of the Lewis Evans Collection of Historic Scientific Instruments in the University of Oxford. I am especially interested in the discovery of ancient scientific instruments and specimens, and in their preservation for illustrating the history of the ...
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    URL: http://dx.doi.org/10.1038/128314a0
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  • 73
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    Noise and its Measurement. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 253-264 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FREQUENCY AND INTENSITY RANGES OF THE EAR. AS is the case in many branches of science, the physics of acoustical research owes its present facility and exactitude largely to the development of electrical methods of measurement. The key lay in the invention of the electronic valve, and to this the ...
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    URL: http://dx.doi.org/10.1038/128253a0
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  • 74
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    Contributions to a British Association Discussion on the Evolution of the Universe. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 718-719 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN a sense my presidential address dealt with some aspects of the evolution of the universe, but a good deal more could be said, if there were time, about the philosophical issues which are raised by this subject. I do not agree with those who say that the recent advances in physics have no ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128718a0
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    Contributions to a British Association Discussion on the Evolution of the Universe. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 715-717 
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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 sometimes been asked whether the universe is evolving at all. Certainly its future evolution is a matter of speculation, and its past evolution a matter of inference. But that it is evolving at this present time is not a matter of speculation at all it is a matter of observation. We actually ...
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    URL: http://dx.doi.org/10.1038/128715a0
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  • 76
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    Digitale Medien
    The Bottle-Pipe Resonator. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 270-270 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the issue of NATURE of Aug. 30, 1924 (p. 309), Aldis gave a formula for a resonator consisting of a closed cylindrical pipe of large diameter (length L) connected to an open cylindrical pipe of smaller diameter (length l) which he termed a ‘bottle-pipe’, namely, tan (2πl/λ).tan(2πL/λ) = ...
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    URL: http://dx.doi.org/10.1038/128270a0
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  • 77
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    Absorption Spectra of the Ce +++ Ion in Solution. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 270-271 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE experiments of J. Becquerel and W. J. de Haas1 on the paramagnetic rotation of the plane of polarisation of light in a crystal of tysonite (which is a fluoride of cerium and lanthanum) has created an interest in the absorption spectra due to the Ce+++ ion. ...
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    URL: http://dx.doi.org/10.1038/128270b0
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  • 78
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    Anomalous X-ray Diffraction Intensities. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 272-272 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The general explanation of the observations previously described under the above heading1 probably follows, as stated there, from the well-known Laue equations connecting line-breadth with the size of a crystallite measured in a direction a1. I have recently become ...
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    URL: http://dx.doi.org/10.1038/128272c0
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  • 79
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    Royal Society of Canada.: Annual Meeting in Toronto. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 275-276 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ON May 20-22 the Royal Society of Canada met at the University of Toronto. During the evening of May 20 Dr. Charles Camsell, Deputy Minister of Mines, gave his presidential address, entitled Canadas Position in the Mineral Situation of the British Empire. Dr. Camsell, while emphasising the fact ...
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    URL: http://dx.doi.org/10.1038/128275a0
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  • 80
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    Constitution of Thallium and Uranium. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 725-725 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE preparation by Dr. v. Grosse of suitable volatile compounds of thallium and uranium has enabled me to obtain their mass-spectra. The lines of thallium were obtained by means of its triethyl compound. As was expected, it consists of two isotopes, 203, 205. The latter predominates to an ...
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    URL: http://dx.doi.org/10.1038/128725a0
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  • 81
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    Digitale Medien
    The Mercury Band Spectrum in Fluorescence. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 724-725 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MUCH has been written on the various band-series and isolated bands in the spectrum of mercury, and their relation to the atomic excited states : but it cannot be said that the subject has been satisfactorily cleared up. I wish here to record an observation which will help to decide ...
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    URL: http://dx.doi.org/10.1038/128724b0
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  • 82
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    Raman Lines due to Co-ordination Bond. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 725-726 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FOLLOWING J. J. Thomson, Kossel, and others, it can be shown that a large number of observed facts about co-ordination compounds can be explained on the assumption that these groups are held by purely electrostatic forces to the central atom. Grimm has been able to calculate the heat of ...
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  • 83
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    The Wissahickon Hills: Memories of Leisure Hours out of doors in an Old Countryside (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 208-208 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I LOOKED up the Wissahickon Hills in my large atlas and did not find them; I discovered Pennsylvania to be an immense State, and that the Alleghany and Blue Mountains tail off in its central parts into a welter of hills and streams. I saw that the author is a professor of English literature, and I ...
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    URL: http://dx.doi.org/10.1038/128208a0
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  • 84
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    Leçons sur les conduites (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 209-209 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS monograph gives an account of both experimental and theoretical researches carried out during the last twenty years on pipelines, mainly forming portions of hydraulic installations in south and central Prance. These researches chiefly concern the waves of pressure propagated along the ...
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    URL: http://dx.doi.org/10.1038/128209b0
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  • 85
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    Systematic Inorganic Chemistry: from the Stand-point of the Periodic Law (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 209-209 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CAVEN and Lander's textbook has been known to teachers and students for some years as a carefully written statement of inorganic chemistry based on the periodic system, and it could well supplement any other book in use. It is particularly suited to the needs of the more advanced student who wishes ...
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    Prof. F. W. Clarke. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 214-215 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FRANK WIGGLESWORTH CLARKE, born on Mar. 19, 1847, at Boston, Massachusetts, was well known among inorganic chemists, mineralogists, and geologists in Great Britain. For mineralogists and geologists his "Data of Geochemistry was a handbook full of invaluable information, not in other ways readily ...
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    Acromegaly among the old Northmen. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 221-221 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I HAVE read with great interest the description of the Gardarene skull given by Sir Arthur Keith in his “New Discoveries relating to the Antiquity of Man”. No pathologist will, I think, doubt that the skull is acromegalic, and this raises the interesting question: Was there anything in the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128221a0
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  • 88
    Digitale Medien
    Digitale Medien
    [News and Views] (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 215-220 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] No one will deny that Great Britain, and indeed the whole world, is passing through a phase of acute economic and industrial depression. We have referred to this repeatedly in our columns and urged the importance of research in providing new outlets for trade, new methods and new materials. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128215b0
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  • 89
    Digitale Medien
    Digitale Medien
    Part-Absorption in X-Rays. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 224-225 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN connexion with the experiments of one of us (B. R.) on the part-absorption in X-rays,1 the results of other workers on the same subject are conflicting. While Cork,2 Lindsay,3 and Van der Tuuk4 report negative results, Bhargava and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128224b0
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  • 90
    Digitale Medien
    Digitale Medien
    The Energy of Horizontal Atmospheric Motion. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 226-226 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WITH reference to my note on atmospheric structure in NATURE of June 27, it should be remarked that for any part of a horizontal field of isobars at which the velocity of the air is in geostrophic accord with the gradient the energy of a layer of air of uniform thickness contained within a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128226a0
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  • 91
    Digitale Medien
    Digitale Medien
    Societies and Academies. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 234-236 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PARIS. Academy of Sciences, June 15.Adolphe Lindenbaum: Regulated ensembles.Francesco Severi: Biharmonic functions and the theory of analytical functions of two complex variables.Gaston Julia: Conformal representation of multiple associated areas. Gr. C. Moisil: The use of generalised vector ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128234b0
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  • 92
    Digitale Medien
    Digitale Medien
    Peru from the Air (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 172-172 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE value of aeroplane photography and surveying has been well demonstrated in archo-logy and forestry, and its special service to the geography of rugged and waterless countries is illustrated by the volume of photographs of Peru, taken by Lieut. G. R. Johnson, when chief photographer to the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128172a0
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  • 93
    Digitale Medien
    Digitale Medien
    Condition of Sparingly Soluble Substances in Gelatine. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 223-223 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BY the courtesy of the Editor of NATURE, I am able to give the following reply to the comments of Drs. Bolam and Bradford on our letter on “Condition of Silver Chromate in Gelatine Hydrolysed and Electro-Dialysed to Different Extents”, published in NATURE of April 25, 1931, p. 628. Drs. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128223b0
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  • 94
    Digitale Medien
    Digitale Medien
    Oxidation Reduction Potential of Complex Iron Compounds in Yeast. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 223-223 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WHEN an alkaline extract of yeast is saturated with ammonium sulphate there is precipitated, with the protein, cytochrome ‘C’ and a complex iron compound giving no visible spectrum. The latter can be separated from the proteins slowly by ultra-filtration. It remains in solution when the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128223c0
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  • 95
    Digitale Medien
    Digitale Medien
    Synthesis of Ethyl Thio-aceto-acetate. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 189-189 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] With the view of investigating the negative character of the methylene group due to the proximity of : C : S group, Mr. E. K. Mitra, Sir T. N. Palit research scholar, working in my laboratory, has succeeded in effecting the long-looked-for synthesis of ethyl thio-aceto-acetate in the following ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128189c0
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  • 96
    Digitale Medien
    Digitale Medien
    The Pyranoid Structure of Glucuronic Acid and of Theophylline Arabinoside. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 187-187 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN the course of an investigation of the structure of glucuronic acid, we have obtained results which clearly prove that this acid, like the related hexose d-glucose, possesses a pyranoid structure. Our starting material was bornyl-d-glucuronide (borneol glucuronic acid) isolated as the zinc ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128187a0
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  • 97
    Digitale Medien
    Digitale Medien
    Research Items. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 227-229 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Age of the Giant Tortoises of Galapagos.In 1928 a number of giant tortoises, all belonging to the species Testudo ic¯na, were brought from the Galapagos Islands by the New York Zoological Society and deposited at different stations where their development might be watched. At the stations the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128227a0
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  • 98
    Digitale Medien
    Digitale Medien
    Control of Prickly Pear by the Cochineal Insect. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 226-226 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AS a result of a long series of tests carried out in Australia under the Commonwealth Prickly Pear Board, it was ascertained that the cochineal insect, Dactylopius tomentosus, could only live on certain species of Opuntia, among which was O. dillenii. As this species was reported to be a pest ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128226c0
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  • 99
    Digitale Medien
    Digitale Medien
    Astronomical Topics. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 229-229 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Nagata's Comet, 1931 b.This proves to be the brightest comet observed for several years. The following orbit and ephemeris have been circulated from the U.A.I. Bureau at Copenhagen. They are by Mr. Berman: T 1931 June 15¢140 U.T. 324° 58' 191 8 1931¢0 i 41 24 log q 0¢03342 EPHEMERIS FOR 0h ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128229a0
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  • 100
    Digitale Medien
    Digitale Medien
    Two Historic Electric Power Stations. (1931)
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 140-141 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AT an ordinary general meeting of the Newcomen Society held in London on April 15, and at the seventh annual meeting of the American members held in New York on April 16, two papers were presented dealing with two historic electric power houses. One of the papers was by Mr. G. A. Orrok and dealt ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/128140a0
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