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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1055-1056 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE 1938 I have been engaged in a general study of the distribution of zinc in normal and malignant tissues, and this work has been briefly reported from time to time1. In the early part of the work, polarographic analyses for zinc content were made on human tissues, and ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1007-1008 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As a result of the observations described in a previous note1, according to which irradiation with X-rays influences the pattern of incorporation of carbon-14 into animal tissue, it became particularly important to investigate the effect of muscular exercise on the incorporation ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1011-1012 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the course of studying the role of circulatory changes in the pathogenesis of centrilobular hepatic lesions1,2, we have been attempting by various techniques, including the use of neoprene latex and indian ink3, to clarify certain controversial points in the ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1013-1013 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY studies have been made concerning the antigenic structure of viruses of the psittacosislymphogranuloma group as revealed by the complement-fixation technique; these include experiments recently reported on the effect of various reagents on psittacosis virus1. It was shown ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1014-1015 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE bromination of veratrole proceeds more readily than that of anisole, and this comparison has led Dewar1 to propose that the former reaction employs the π-complex I rather than a complex of type II. Dewar's argument is based on the assumption that formation of II is ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1002-1003 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE synthesis of the hydrocarbon ovalene, or octabenzonaphthalene (Fig. 1) has recently been described by E. Clar1. We have now examined the crystal structure of this compound and find it to be remarkably similar to that of the analogous hydrocarbon coronene2,3. We ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 1004-1004 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a letter in Nature, 142, 833 (1938), I described a new method of measuring the velocity of light in which Fizeau's toothed wheel was replaced by a piezo-quartz crystal. When placed in an alternating electric field, this has the property of acting as an intermittent diffraction grating. The ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 979-979 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the past year and a half, Dr. J. E. Faraday has continued his great task of indexing the hydrocarbons, the volumes dealing with Cjo-Caa and CnHg.jj now having appeared. All these volumes remain virturfly unchanged in plan and contain all literature references to about a year before the date ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 980-981 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fiftieth anniver'sary ON November 22 a reception was held at the Liverpool Schoo of Tropical Medicine on the occasion of its fiftleth anniversary. During the ceremony the Mary Kingsley Medal was presented to representatives of the families who had helped found and maintain the School in its early ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 947-947 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROP. JTORis profejsapf of physiology in the Zurich. M3i^nks to his exceptional originaWfta school teacher, obtained meolieai qualifieajti^flsl and adopted an academic career. H{* jj energy and far-sightedness were responsible the establishment of the High Altitude ResearofuStation of the ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 948-948 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SILVER thinrole of historic interest has recently been presentpfl to the Science Museum, South Kensington-iiiondon, by Mr. R. B. Fitzgerald, nephew of the latff Miss Emily Fitzgerald. The latter was the daugnter of the Knight of Kerry upon whose land was bmlt the telegraph house'io which were ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 948-948 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NOVEMBER 29〉narked the centenary of the birth of Sir Ambrose/Fleming, who died as recently as 1945, at the age oi/iiinety-five. Although Fleming is best known to tlie public for his invention in 1904 of the Oscillation valve', the forerunner of the modern radio valve, Jfo has other claims to be ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 949-949 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. HERMAN MASK, director of the Polymer Research liistitute at the Polytechnic Institute of Brooklyii; has been invited by the Indian National Rese?rch Council to visit India during January-FpKruary 1950 and to lecture on the scientific and practical aspects of the physics and chemistry of high ...
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  • 14
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 959-959 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN rabbits' blood is defibrinated, the granulocytes, monocytes and platelets adhere to the fibrin fibres and are removed with them. The lymphocytes may then be separated from the red cells by adding dextran1 or fibrinogen2 in solution in normal saline to increase ...
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  • 15
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 961-961 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR knowledge of the amino-acid composition of Bence–Jones protein is still incomplete. Recently, Dent1 has analysed a specimen of Bence–Jones protein, using paper partition chromatography, with regard to its amino-acid composition. He found that the specimen contained all the ...
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  • 16
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 963-963 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A RECENT communication by Bayliss1, commenting upon the spectroscopic evidence for specific, ‘chemical’ interaction between iodine and benzene obtained by us2, quite properly includes the remark that such spectroscopic evidence should be “interpreted with caution”, ...
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  • 17
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 965-966 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR many ecological and phonological purposes, records of maximum, minimum and mean temperatures are required, while in physiological studies of metabolic-rates only the last-named may be necessary; but in both cases measurements must frequently be made in very confined spaces. Apart from ...
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 961-963 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As is well known1,2, the phosphorus content of ovalbumin does not, in general, correspond to an integral number of phosphorus atoms per mole of this protein if its molecular weight is taken as 44,000. About two years ago, Linderstrøm-Lang suggested to me that this lack of ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 963-964 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the course of an extended study of the action of ‘physically toxic’ substances1 on the grain weevil, Sitophilus granarius, we have determined for this organism the median lethal doses of a number of simple gases such as hydrogen, nitrogen, argon, etc. To attain the required ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 965-965 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOSE who are interested in the flare problem will welcome observations of the kind referred to in the preceding letter. At the same time, I cannot agree with Dr. Das and his colleagues in their facile conclusion that the measured line-widths of 8 A. and 6 A. for Hα. and Hβ in emission “are ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 968-968 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN Nature of August 20, p. 320, a letter appeared giving details of experiments which indicated that falling drops, which strike the surface of water at their terminal velocity, do not produce vortex rings in the water. I have, however, recently performed experiments, on similar lines, which in ...
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  • 22
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    Nature 164 (1949), S. 968-969 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VON GELEI'S Toluidin Blue technique1 yields beautifully stained preparations of the cuticular lattice of Paramecium, but considerable experience is required before satisfactory results are obtained, and the method takes so long (five hours) that it is of little use for class ...
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  • 23
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    Nature 164 (1949), S. 970-970 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dufrenoy and Reed1, in their study of coacervation in hypoplastic cells, demonstrated some important correlations with the respiratory activities in vacuoles, and they also suggested that a similar correlation between dwarfed shoots and coacervation was shown as the result of ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 971-971 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Meetings marked with an asterisk * are open to ihe public) December 3 LONDON Road, "Ad OUNOIL (at the Horniman Museum, London -.ndon, S.B.23), at 3.30 p.m.-Mr. A. Robinson: Wye Valley".* Monday, December 5 ROYAL GEOGRAPHICAL SOCIETY (at Kensington Gore, London, S.W.7), at 5 p.m.-Mr. F. H. W. ...
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  • 25
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    Nature 164 (1949), S. 893-895 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE the late 'Samuel Courtauld's paper on favfnw/blxia industry was published in the ill Abfil 1942, the question of the relayons between jiwifustry and government has steadily growrLjjn importance. It is now widely realized that tnis question is bound up with that of the relation of industry as ...
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  • 26
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    Nature 164 (1949), S. 898-898 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE purrpose of this book, we are told, is not so mufti, to look for solutions as to reqognize probletas^ Such a method, in philosophy, raises the question for whom exactly the author is writijig; the answer is, for those who wish to follow the continuity of thought in the light of historical ...
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  • 27
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    Nature 164 (1949), S. 916-916 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the determination of metallic traces, insufficient attention has been paid either to the advantages of direct spectrography of chromatographic columns, or to the chromatographic behaviour of organic metal complexes, although in the latter sphere the use of oxine1 and of ...
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  • 28
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    Nature 164 (1949), S. 918-919 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN recent communications in Nature, Ambrose and his co-workers proposed a model for the molecular structure of α-keratin based on their measurements with polarized infra-red radiation1,2. The same model has already been presented by two of us (S. and M.) in 1947, based on the ...
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  • 29
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    Nature 164 (1949), S. 921-922 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOLLOWING upon Dr. Sondheimer's letter above, we feel it may be of interest to mention some theoretical work that we have undertaken on this problem. Dr. Sondheimer's work appears of peculiar interest since, in the case of a thin plate in a transverse magnetic field perpendicular to the plane ...
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  • 30
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    Nature 164 (1949), S. 923-924 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE introduction of barium salts to flames or arcs leads, in presence of oxygen, to the production of a characteristic band-spectrum attributed to BaO. Mecke and Guillery1 derived a band-head equation. Mahanti2 gave a new vibrational analysis and also made a ...
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    Nature 164 (1949), S. 925-926 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are many experimental procedures which involve the simultaneous observation of two variables, one of which is dependent upon the other. If the relationship between these variables is linear, then it is possible, by spacing the intervals equally with reference to the independent variable, ...
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    Nature 164 (1949), S. 927-928 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Taurog and Chaikoff1 have presented strong evidence in support of the view that in the normal animal the circulating thyroid hormone consists of thyroxine loosely attached to plasma protein. They observed in rat plasma that the protein-bound iodine labelled with radioactive ...
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    Nature 164 (1949), S. 930-931 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THROUGH the courtesy of Mr. W. Wilson of Milford Haven and of the staff of the Lowestoft Fisheries Laboratory we have received three deep-sea fishes taken by the Richard Crofts in 330 fathoms at a point 250 miles W. by S. of St. Ann's Head on March 10. The first species is the small shark ...
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    Nature 164 (1949), S. 861-862 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE National Academy of Sciences of the United States has awarded the J. Lawrence Smith Medal to Dr. Fred Lawence Whipple, chairman of the Department of Astronomy, Harvard Observatory. Dr. L. H. Adams, director of the Geophysical Laboratory of the Carnegie Institution of Washington, in making the ...
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    Nature 164 (1949), S. 856-857 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE centenary of the official opening of a university in Belfast was celebrated during the week September 25-30 by a series of academic and social functions. On September 28, the new Chancellor, Field-Marshal Lord Alanbrooke, who was recently elected by Convocation in succession to the late Lord ...
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    Nature 164 (1949), S. 860-861 
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    Notes: [Auszug] THROUGH the sudden and unexpected death on July 4, 1949, of Prof. Otis Freeman Curtis, the subject of botany and plant physiology has suffered the loss of one of its most earnest and devoted scholars. His loss will be keenly felt in the United States where, at Cornell University and in the ...
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    Nature 164 (1949), S. 932-932 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ENTOMOLOGIST, and a MYCOLOGIST, for work on the co-ordination ^development on insecticides and fungicides-The cultural Research Council, 6a Dean's Yard, London, Saber jj). |IN JjUJliHEMATics, a LECTURER IN ...
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    Nature 164 (1949), S. 852-853 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] AT the present rate of change in world affairs, it is becoming increasingly difficult to find an atmosphere calm enough in which to take stock, and to attempt an assessment of relative values. Simultaneously, we are even enjoined to leave our 'ivory tower'-if ever we thought we lived in one-and to ...
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    Nature 164 (1949), S. 855-856 
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    Notes: [Auszug] THE academic year 1948-49 marked the centenary of the University of Wisconsin, which opened its first class on February 5, 1849. From twenty students at that time it now has eighteen thousand, with about seven hundred staff members of professorial rank. Actually, the University was planned and ...
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    Nature 164 (1949), S. 864-864 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] MR. E. V.MURPHREE, president of the Standard Oil Development Co., New York, has been awarded the Perkin Medal by the American section of the Society of Chemical Industry, given annually for out-standing work in applied chemistry. Mr. Murphree is known for his work on synthetic rubber, catalytic ...
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    Nature 164 (1949), S. 865-867 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] STILBOESTROL has found varied use in the last decade in the-field of hormone therapy, being a synthetic oestrogen of high potency. It appears to affect cellular growth processes as shown by (a) the production of mammary carcinoma of the mouse and testicular tumours in 'Strong A' strain mice, (6) ...
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    Nature 164 (1949), S. 871-872 
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    Notes: [Auszug] Opening of New Laboratories THE British Boot, Shoe and Allied Trades Research Association was one of the first to be incorporated. It started in the town of Northampton in a very small way in 1919. At that time, when the research association movenient was quite new, the principle obtained that ...
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    Nature 164 (1949), S. 874-875 
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    Notes: [Auszug] EXAMINATION of living cultures of Salmonella typhimurium by phase-contrast illumination has revealed the presence of characteristic changes when this organism is infected with different bacteriophages1. The corresponding changes which occur in infected Escherichia coli B. have ...
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    Nature 164 (1949), S. 873-874 
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    Notes: [Auszug] IT is a curious fact that nearly all insects, even the best flyers, lack static organs, which are so highly developed in other flying or swimming animals. Sensory systems sensitive to air currents have, however, been suggested1 or found2 in certain Diptera, and at ...
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    Nature 164 (1949), S. 876-877 
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    Notes: [Auszug] IN a previous communication1, we have described the morphological and cytological modifications of staphylococci after treatment with penicillin. Since then, we have investigated the effect of this antibiotic on various bacteria: E. coli, B. anthracis, and Salmonella, Proteus, ...
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    Nature 164 (1949), S. 879-880 
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    Notes: [Auszug] Independece of growth and development is one of the fundamental postulates of Lysenko's theory of phasic development1. Evidence has, however, accumulated to demonstrate that under optimum conditions of nutrition the rate and the magnitude of the different components of growth are ...
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    Nature 164 (1949), S. 881-881 
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    Notes: [Auszug] THE inactivation of viruses in living plant tissues by heat has been successfully applied to free sugar cane from sereh disease1, peach from four diseases2 and periwinkle from aster yellows3. Attempts to cure virus-infected tubers by heat, however, ...
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    Nature 164 (1949), S. 882-882 
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    Notes: [Auszug] In an address to Section D at the Newcastle meeting of the British Association, Dr. E. B. Ford, if I understood him correctly, stated or inferred that he considered that all characters must possess ‘selection value’. From the discussion that followed, moreover, it appears that he holds ...
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    Nature 164 (1949), S. 884-884 
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    Notes: [Auszug] The measurement of burning velocity is important in providing results for testing the various theories of flame propagation1–4. Linnett and Wheatley5 have recently reviewed the earlier work on the effect of pressure on burning velocity, and from this and from their ...
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    Nature 164 (1949), S. 819-819 
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    Notes: [Auszug] PROF. F. L. HOPWOOD has retired from St. Bartholomew's Hospital where he has been physicist since 1919, and-professor of physics in the Medical College since 1924. The years have been active in teaching, research and committee work; in the last respect he has been an active member of the British ...
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    Nature 164 (1949), S. 821-821 
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    Notes: [Auszug] THE second Progress Medal of the Photographic Society of America has been awarded to Mr. J. Dudley Johnston, for inspiring leadership and fostering photographic societies. The Medal, which is the highest award in the gift of the Society, was received, on Mf. Johnston's behalf, by Mr. Joseph ...
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    Nature 164 (1949), S. 838-839 
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    Notes: [Auszug] IN the course of experiments underground with the penetrating-burst apparatus described in a previous publication1, we have obtained evidence for the production of groups of penetrating particles at a depth of 60 m. water-equivalent of London clay. With this apparatus (see ...
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    Nature 164 (1949), S. 830-831 
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    Notes: [Auszug] STUDIES of the initiation of explosion in liquids detonated by light impact1,2,3 and experiments with greatly diluted vapours4 led to an investigation of the inflammation of some alkyl nitrates in the gas phase and of the influence of different diluents. The ...
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    Nature 164 (1949), S. 834-834 
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    Notes: [Auszug] IN view of current interest in the autoxidation of hydrocarbons, it seems desirable to record briefly some observations made in these laboratories concerning the autoxidation of isopropylbenzene. Hock and Lang1 had previously noted that dry isopropylbenzene was converted to a ...
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    Nature 164 (1949), S. 838-838 
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    Notes: [Auszug] IN continuation1 of the examination of the radiological properties of water, the yield of ion-pairs in water vapour under the action of α-particles has been compared with the yield in air. A sector-shaped parallel-plate ionization chamber containing either water vapour at 95° C. ...
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    Nature 164 (1949), S. 840-840 
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    Notes: [Auszug] IN an earlier communication in Nature1 we have shown that the Vickers pyramid indentation on steel produces a symmetrical distortion surrounding the indentation, this being revealed by multiple-beam interference fringes. We have applied the same technique to indentations ...
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    Nature 164 (1949), S. 841-842 
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    Notes: [Auszug] ONE of the most noteworthy differences between man and the higher anthropoids is that while man has a good opposable thumb, in the anthropoid the thumb is somewhat degenerate. It was mainly on this character that Osborn decided that man could not have evolved from an anthropoid. Though we ...
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    Nature 164 (1949), S. 844-845 
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    Notes: [Auszug] FOLLOWING the discovery that N-methylnicotinamide is a metabolite of nicotinic acid1, the fate of this compound in the animal body has been studied by several workers. Perlzweig and Huff2 found that only 10–20 per cent of a dose of N-methylnicotinamide administered ...
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    Nature 164 (1949), S. 846-847 
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    Notes: [Auszug] IN the course of work on the growth characteristics of Staph. aureus, stirring and aeration of cultures was required to provide standard favourable growth conditions. The usual method of bubbling with a stream of sterile compressed air is technically rather unsatisfactory, and a new culture ...
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    Nature 164 (1949), S. 763-764 
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    Notes: [Auszug] IN June 1948 a symposium on hasmoglobin was convened in Cambridge to do honour to the memory of Sir Joseph Barcroft. The world-wide response to invitations was such as to give this meeting the atmosphere and standing of an international congress, and it is indeed fortunate that the proceedings have ...
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    Nature 164 (1949), S. 764-765 
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    Notes: [Auszug] A FRENCH writer has recently remarked that whereas the twelfth and thirteenth centuries saw the creation of the first universities and the sixteenth and seventeenth the first academies, it was not until the nineteenth that the international congress made its appearance as a serious instrument for ...
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    Nature 164 (1949), S. 772-773 
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    Notes: [Auszug] DURING the recent meeting of the British Association at Newcastle upon Tyne, Section A (Mathematics and Physics) held a symposium on ultrasonics in fluids. Most of the papers read at this symposium, concerned applications of the ultrasonic interferometer, which may be regarded as a modern ...
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    Nature 164 (1949), S. 773-774 
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    Notes: [Auszug] A JOINT session of Sections B (Chemistry), C (Geology) and F Economics and Statistics) of the British Association was held at Newcastle upon Tyne on September 5 to discuss the present position of the coal industry in Great Britian. Prof. A. Beacham of Cardiff opened the discussion on behalf of the ...
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    Nature 164 (1949), S. 785-785 
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    Notes: [Auszug] THE preparation of 4-keto-1-phenyl-1:2:3:4-tetrahydroquinoline (I) has recently been described by Cookson and Mann1, who showed that the phenyl-hydrazone of this ketone, when boiled with alcoholic hydrogen chloride, underwent indolization and de-hydrogenation to give ...
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    Nature 164 (1949), S. 776-776 
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    Notes: [Auszug] A DE HAVILLAND 'Comet' jet-propelled air liner recently carried out a long-distance flight, as part of its trials, from London to Castel Benito, Tripoli, a distance of 2,980 miles in a total flying time of six hours thirty-eight minutes—an average speed of just over 450 miles an hour. This is more ...
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    Nature 164 (1949), S. 789-790 
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    Notes: [Auszug] THE mechanism of this reaction is not definitely known, because of the absence of kinetic data; but the following scheme appears to be in harmony with known facts: ... The carbonyl compound in its activated state becomes coordinated with the aluminium in aluminium isopropoxide, giving ...
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    Nature 164 (1949), S. 778-778 
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    Notes: [Auszug] THE latest in the series of National Forest Park guides prepared by the Forestry Commission are those for Glen More in the Eastern Highlands of Scotland and Hardknott in south-west Cumberland. The one for Glen More has been edited by Prof. John Walton, who also describes the vegetation of the ...
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    Nature 164 (1949), S. 778-778 
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    Notes: [Auszug] PROF. D. H. HEY, professor of chemistry at King's College, has been appointed to the Daniell chair of chemistry tenable at the College from October 1, 1950, in succession to Prof. A. J. Allmand, who will be retiring at the end of the session 1949-50. Dr. Forrest Fulton has been appointed to the ...
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    Notes: [Auszug] THE part played by carbohydrates in the synthesis of acetylcholine in animal tissues is at present far from clear. It was first shown by Quastel, Tennenbaum and Wheatley1 that the formation of free acetylcholine by brain cortex slices is dependent upon respiration in a physiological medium ...
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    Nature 164 (1949), S. 786-786 
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    Notes: [Auszug] IODOBENZENE, as a vapour or in solution, is unstable to light, like the alkyl iodides, and lends itself to the same sort of photolytic study. Moreover, we have found that the presence of nitric oxide accelerates the decomposition, as is the case with methyl iodide1. The alkyl ...
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    Nature 164 (1949), S. 787-787 
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