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  • 1980-1984
  • 1930-1934  (2,152)
  • 1931  (2,152)
  • 1
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    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1053-1055 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE 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 ...
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    Nature 128 (1931), S. 1061-1061 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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, ...
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    Nature 128 (1931), S. 1067-1067 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1068-1072 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1083-1084 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1086-1087 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1087-1088 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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, ...
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    Nature 128 (1931), S. 1021-1023 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1041-1042 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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. ...
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    Nature 128 (1931), S. 1025-1026 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1027-1030 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1003-1004 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1004-1004 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1009-1010 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 1012-1012 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 981-982 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 926-928 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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. ...
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    Nature 128 (1931), S. 930-930 
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    Source: Nature Archives 1869 - 2009
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    Notes: [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 ...
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    Nature 128 (1931), S. 988-989 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Nature 128 (1931), S. 943-944 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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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    Nature 128 (1931), S. 947-948 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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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    Nature 128 (1931), S. 951-952 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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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    Nature 128 (1931), S. 954-954 
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    Source: Nature Archives 1869 - 2009
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    Notes: [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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    Nature 128 (1931), S. 955-955 
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    Source: Nature Archives 1869 - 2009
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    Notes: [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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    Nature 128 (1931), S. 956-956 
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    Notes: [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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    Nature 128 (1931), S. 964-964 
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    Notes: [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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    Nature 128 (1931), S. 966-967 
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    Notes: [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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    Nature 128 (1931), S. 968-968 
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    Notes: [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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    Nature 128 (1931), S. 968-968 
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    Notes: [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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    Nature 128 (1931), S. 968-968 
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    Notes: [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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    Nature 128 (1931), S. 980-980 
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    Notes: [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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    Nature 128 (1931), S. 964-964 
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    Notes: [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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    Nature 128 (1931), S. 966-966 
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    Notes: [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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    Nature 128 (1931), S. 967-968 
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    Notes: [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 ...
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    Nature 128 (1931), S. 893-894 
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    Notes: [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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    Nature 128 (1931), S. 975-975 
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    Notes: [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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    Nature 128 (1931), S. 979-980 
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    Notes: [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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    Nature 128 (1931), S. 892-892 
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    Notes: [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 ...
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    Nature 128 (1931), S. 894-897 
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    Notes: [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 ...
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    Nature 128 (1931), S. 919-920 
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    Notes: [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 ...
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    Nature 128 (1931), S. 851-852 
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    Notes: [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 ...
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    Nature 128 (1931), S. 873-873 
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    Notes: [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, ...
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    Nature 128 (1931), S. 339-341 
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    Notes: [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 ...
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    Nature 128 (1931), S. 767-767 
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    Notes: [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 ...
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    Nature 128 (1931), S. 352-353 
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    Notes: [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 ...
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    Nature 128 (1931), S. 328-328 
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    Notes: [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 ...
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    Nature 128 (1931), S. 337-339 
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    Notes: [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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    Nature 128 (1931), S. 342-345 
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    Notes: [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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    Nature 128 (1931), S. 770-770 
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    Notes: [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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    Nature 128 (1931), S. 771-772 
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    Notes: [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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    Nature 128 (1931), S. 685-687 
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    Notes: [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 ...
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    Nature 128 (1931), S. 378-378 
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    Notes: [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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    Nature 128 (1931), S. 687-689 
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    Notes: [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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    Nature 128 (1931), S. 689-690 
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    Notes: [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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    Nature 128 (1931), S. 690-690 
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    Notes: [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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    Notes: [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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    Notes: [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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    Nature 128 (1931), S. 691-692 
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    Notes: [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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    Nature 128 (1931), S. 292-294 
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    Notes: [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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    Nature 128 (1931), S. 300-301 
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    Notes: [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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    Nature 128 (1931), S. 302-302 
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    Notes: [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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    Nature 128 (1931), S. 295-295 
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    Notes: [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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    Nature 128 (1931), S. 301-302 
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    Notes: [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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    Nature 128 (1931), S. 303-303 
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    Notes: [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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    Nature 128 (1931), S. 239-240 
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    Notes: [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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    Nature 128 (1931), S. 704-706 
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    Notes: [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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    Nature 128 (1931), S. 701-704 
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    Notes: [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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    Nature 128 (1931), S. 244-244 
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    Notes: [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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    Nature 128 (1931), S. 245-248 
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    Notes: [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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    Nature 128 (1931), S. 248-250 
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    Notes: [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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    Nature 128 (1931), S. 314-315 
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    Notes: [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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    Nature 128 (1931), S. 253-264 
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    Notes: [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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    Nature 128 (1931), S. 718-719 
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    Notes: [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 ...
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    Nature 128 (1931), S. 715-717 
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    Notes: [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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    Nature 128 (1931), S. 270-270 
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    Notes: [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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    Nature 128 (1931), S. 270-271 
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    Notes: [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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    Nature 128 (1931), S. 272-272 
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    Notes: [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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    Nature 128 (1931), S. 275-276 
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    Notes: [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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    Nature 128 (1931), S. 725-725 
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    Notes: [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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    Nature 128 (1931), S. 724-725 
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    Notes: [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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    Nature 128 (1931), S. 725-726 
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    Notes: [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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    Nature 128 (1931), S. 208-208 
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    Notes: [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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    Nature 128 (1931), S. 209-209 
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    Notes: [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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    Nature 128 (1931), S. 209-209 
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    Notes: [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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    Nature 128 (1931), S. 214-215 
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    Notes: [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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    Nature 128 (1931), S. 221-221 
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    Source: Nature Archives 1869 - 2009
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    Notes: [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 ...
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    Nature 128 (1931), S. 215-220 
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    Notes: [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. ...
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    Nature 128 (1931), S. 224-225 
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    Notes: [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 ...
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    Nature 128 (1931), S. 226-226 
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    Notes: [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 ...
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    Nature 128 (1931), S. 234-236 
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    Notes: [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 ...
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    Nature 128 (1931), S. 172-172 
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    Notes: [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 ...
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    Nature 128 (1931), S. 223-223 
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    Notes: [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. ...
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    Nature 128 (1931), S. 223-223 
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    Notes: [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 ...
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    Nature 128 (1931), S. 189-189 
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    Notes: [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 ...
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    Nature 128 (1931), S. 187-187 
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    Notes: [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 ...
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    Nature 128 (1931), S. 227-229 
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    Notes: [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 ...
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    Nature 128 (1931), S. 226-226 
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    Notes: [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 ...
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    Nature 128 (1931), S. 229-229 
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    Notes: [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 ...
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    Nature 128 (1931), S. 140-141 
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    Notes: [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 ...
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