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  • Nature Publishing Group  (3,215)
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  • 1945-1949  (3,215)
  • 1949  (3,215)
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  • 2020-2020
  • 2015-2019
  • 2000-2004
  • 1945-1949  (3,215)
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  • 101
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    Investigations at Teddington (Oxidation of Iron around 200° C.) (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 910-911 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An earlier investigation1 on the oxidation of abraded mild steel sheet in air at atmospheric pressure revealed the existence of a 'critical temperature' at c. 200°. Thus (i) interference colours, the characteristic sequence of which is a function of film thickness above 200°, do not appear below ...
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  • 102
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    Structure of Dinitrogen Tetroxide (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 915-915 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As the structure of the dinitrogen tetroxide molecule has recently been the subject of discussion1, it may be of interest to record the following measurements, obtained from an X-ray study of single crystals of this compound. Previous diffraction work has been recorded by ...
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  • 103
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    University and Research Section of the Library Association (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 913-914 
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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] Annual meeting THE University and Research Section of the JL Library Association held its annual conference at CarlxJe Hostel, Edinburgh, during September 15-19. !TVwas the first time that the Section had met in Scotland, and members took full advantage of the opportunity of visiting the many fine ...
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  • 104
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    Stable Configurations of a Polypeptide Chain (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 918-919 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN 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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  • 105
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    A Phenomenon Observed during the Freezing of a Non-homogeneous Aqueous Solution (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 922-923 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the course of experiments which revealed previously unreported electrical phenomena accompanying the freezing of water1, another striking, if somewhat unrelated, phenomenon was observed. Small samples of very dilute aqueous solutions were frozen in a platinum-plated ...
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  • 106
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    Band-Spectrum of Barium Oxide (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 923-924 
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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 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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  • 107
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    Some Characteristics of the White Nile and Sobat Flood Plains (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 926-926 
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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 recent Egyptian proposals for the control of the Nile1 have led me to make a detailed study of certain features of the White Nile and River Sobat. I have shown2 that on the White Nile the total width of the water surface varies approximately as the square of ...
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  • 108
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    Nature of the Circulating Thyroid Hormone (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 927-928 
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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] 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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  • 109
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    Squash Preparations of Living Root-Tip Cells (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 930-930 
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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 cells of plant root tips cannot be observed satisfactorily in squash preparations without removal of the intercellular cement. This is normally accomplished by the Feulgen hydrolysis, namely, by hydrolysis in N hydrochloric acid for a suitable period at 60° C. More recently, some authors ...
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  • 110
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    Simplified Calculation, suitable for Routine Use, of a Linear Regression (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 925-926 
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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] 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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  • 111
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    Thermal Expansion of Ionospheric Layer and Temporary Morning Disappearance of Radio Signals (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 925-925 
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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] IT is usually assumed that under normal conditions of the ionosphere, if a radio signal is received after ground sunrise, it is likely to maintain its strength until absorption in the ionospheric region becomes pronounced during the day. It has often been found, however, during our observations ...
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  • 112
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    Forthcoming Events (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 932-932 
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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] (Meetings marked with an asterisk * are open to the public1) Monday, November 28 BRITISH So FOR THE HISTORY OF SCIENCE (in the Lecture Theatre, Sd ce Museum, Exhibition Road, London, S.W.7), at 5 p.m.-r J. North: "Sir H. T. De la Beche; his Contributions to the ,(?i.yan meat Science, and the ...
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  • 113
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    Training for Research (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 849-851 
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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 annual dinner of the Association of British Chemical Manufacturers on October 12 was notable for two speeches in which the question of the relations between industry and the universities, particularly in regard to research, was discussed from the industrial point of view. They are thus ...
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  • 114
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    Structural Chemistry (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 854-854 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS investing book is the first volume of a tueajajs^j upon the application of the facts and theorieswf atomic; and molecular structure to chemical prabpems. A second volume is promised; and the wi^jfle will bring up to date, and greatly extend, the same author's earlier monograph, "Tautomerie und ...
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  • 115
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    Queen's University, Belfast (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 856-857 
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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 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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  • 116
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    J. Lawrence Smith Medal for Research on Meteors: Dr. F. L. Whipple (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 861-862 
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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 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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  • 117
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    Institution of Mining Engineers: Mr. A. M. Bryan (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 862-862 
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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 Council of the Institution of Mining Engineers has elected Mr. A. M. Bryan as president for the year 1950-51, in succession to Prof. J. A. 8. Ritson. The president-elect will take office at the annual general meeting of the Institution, which is to be held in London on February 2, 1950. Mr. ...
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  • 118
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    Resting Potential and Ion Movements in the Frog Skin (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 928-929 
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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] IT is a well-established fact that sodium and potassium ions are treated differently by the majority of animal cells. During recent years it has become evident that active extrusion of sodium is taking place in muscle, nerve, etc.1,2,3,4,5; on the other hand, the distribution of ...
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  • 119
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    University of Cambridge: Appointments (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 864-864 
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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 following appointments in the University of Cambridge have been announced: Prof. Dorothy Garrod, head of the Department of Archaeology and Anthropology; S. K. Runcorn, assistant director of research in geophysics; P. Johnson and P. George, 'assistant directors of research in colloid science. A. ...
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  • 120
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    Erratum (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 864-864 
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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] ERRATUM. In the note in Nature of October 15, p. 649, referring to the journal New Education, the price of the first issue was wrongly given as Is. 6d. This should have been Is. ...
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  • 121
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    Midgut Epithelial Regeneration as a Means of Studying Insect Digestion (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 878-879 
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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 small size of insects does not permit the study of their digestive processes by the classical methods of mammalian physiology; the production of fistulæ, the study of changes in blood constituents, and the effects of nervous stimulation, for example, have not been successfully exploited ...
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  • 122
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    Æcidia of Barley Dwarf Rust (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 880-881 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In April 1948, Dr. R. W. G. Dennis wrote to me announcing the discovery at Inwood Copse, near Ham Spray, and growing naturally, of an æcidial stage on Ornithogalum pyrenaicum L., which he proved to belong to Puccinia hordei Otth. (= P. anomala Rost.)1. This was of great interest ...
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  • 123
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    Non-Adaptive Characters (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 882-882 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In 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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  • 124
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    Effect of Pressure on Burning Velocity (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 884-884 
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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 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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  • 125
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    Diethyl Stilbœstrol as a Competitive Intracellular Hydrogen Carrier (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 865-867 
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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] 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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  • 126
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    Society for Applied Bacteriology (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 869-870 
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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] Annual Conference SOME sixty members and visitors attended the summer conference of the Society for Applied Bacteriology (fornierlv the Society of Agricultural Bacteriologists) held, by courtesy of the authorities, at the University College of Wales, Aberystwyth, during September IV-22. Twelve ...
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  • 127
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    Ontario Research Foundation (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 872-872 
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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] Annual Report THE annual report for 1948 of the Director of Research of the Ontario Research Foundation*, after referring to the increased accommodation now available and to the strengthening of the staff by graduates of British universities who have recently gone to Canada, expresses concern at ...
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  • 128
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    Reaction of Esterases with Radioactive Di- iso propyl Fluorophosphonate (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 875-875 
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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] IT has been suggested1,2, on the basis of kinetic measurements, that the fluorophosphonates inhibit esterases by virtue of a highly specific affinity for the active centres of this group of enzymes. Preliminary experiments with di-isopropyl fluorophosphonate containing ...
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  • 129
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    Pneumatocyst of the Physophores (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 877-877 
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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] IT has always been supposed that the pneumatocyst of the Physophores is closed; but to-day I was able to observe the escape of the air-bubble from the air-cavity of a young Stephanomia bijuga, about 5 mm. in length. It had been placed in 50/50 magnesium chloride (7 per cent) and sea water to ...
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    Correlation Between Growth and Development (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 879-880 
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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] 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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  • 131
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    Potato Tubers Freed from Leaf-roll Virus by Heat (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 881-881 
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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 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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  • 132
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    Metallurgy at Birmingham (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 819-820 
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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 professorial staff of the Department of Metallurgy of the University of Birmingham has now been further enlarged by the appointment of two new professors: Dr. G. V. Raynor as professor of metal physics, and Dr. A. H. Cottrell as professor of physical metallurgy. Dr. Raynor was educated at ...
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    Expansion of the Lamellar Crystal Lattice of ‘Aerosol OT’ upon the Addition of Water (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 885-885 
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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] It is a well-known fact that some lamellar crystals, such as montmorillonite, graphite and hæmoglobin1, swell reversibly upon the addition of water, the latter entering in small defined layers between the crystal planes. It is the purpose of this note to direct attention to some ...
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    An Anomaly in the Classical Theory on Infinitesimal Deformation (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 888-889 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is shown in this note that the general complex strain expressions of the classical theory on infinitesimal deformations which are of an unsymmetrical character cannot transform correctly with reorientation of co-ordinate axes. As the simplest case to illustrate the argument, consider the ...
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    ‘Data’ (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 890-890 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature of September 3 contained a letter under this heading. In it Prof. A. V. Hill asks that the word be used in its original sense, that is, as the plural of datum, for which he gives the “Oxford English Dictionary” definition “A thing given or granted” and so on. He adds that there may ...
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    Reports and other Publications (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 892-892 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (not included in the monthly Book" Supplement) Great Britain and Ireland Through the fcoixidors of Time: an Outline of the Space-for-Time Wall Schedules JifHluman History and Geology. Prepared by E. W. Swanton. EnXlio. (Haslemere: Haslemere Educational Museum, [158 Aslib/Gtoiides to Sources of ...
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    The Vegetation of Western New South Wales (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 807-808 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS account of the vegetation of the western part of New South Wales deals with an area of some 150,000 square miles. In it are described the soils, the natural vegetation, the pasture lands and the effects of grazing, and soil erosion. The country is usually referred to as the "Western Plains" ...
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    Radar for Students (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 810-810 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE active develoraient of radar dates from about 1935, and until about 1941 most of the important work work was done in Great Britain. After 1941 the contributions to Allied radar equipment made by the United States, Canada and Australia increased, until eventially the contributions of the United ...
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    Radio Astronomy (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 815-817 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING recent years important advances in astronomical knowledge have accrued from the application of radio methods of observation. The striking protgess in this field has followed largely from the improvements in radio and radar techniques developed-during the War. At the British Association ...
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    Shrinkage of Photographic Emulsions for Nuclear Research (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 835-836 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE photographic emulsions used for the recording of ionizing particles contain a very high ratio of silver halide to gelatin. This results in a considerable shrinkage of the emulsion at processing, due to the washing out of the silver halide. In order to be able to interpret correctly events ...
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    Relative Yields of Ions Produced by α-Particles in Air and Water Vapour (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 838-838 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    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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    Variance of Triplets (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 841-841 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] TODD1 has proposed a series of tests for examining whether the spread of disease in a rectangular plantation of m rows and n columns is random or not. For an observed set s of diseased plants, he compared the expected and observed numbers of doublets formed from these plants, ...
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    Thumb of the Swartkrans Ape-Man (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 841-842 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the 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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    Fate of N-Methylnicotinamide in Man (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 844-845 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    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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    The Teleostean Swimbladder and Vertical Migration (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 847-847 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been suggested by several authors1–6 that the vertical movements of a teleost would be restricted by the presence of a swimbladder which will increase or decrease in volume when the fish moves up or down in the water. Fishes taken by line or trawl often arrive at the ...
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    Homage to Sir Joseph Barcroft (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 763-764 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    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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    Electrical Engineers' Handbook (1949)
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    Nature 164 (1949), S. 765-765 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE "Standard Handbook for Electrical Engineers first Published by the McGraw-Hill Book Co. in 1997, has reached its eighth edition. This work has occupied a place on the bookshelves of electrical engineers throughout the world for so long a period that it has, indeed, established its claim to its ...
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    Multiplication of the Animal Viruses (1949)
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    Nature 164 (1949), S. 767-771 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BACTERIA possess their own enzymes and can synthesize to a greater or less degree all the substances which are necessary for their growth; in consequence, pathogenic forms have a metabolism which is distinct from that of their host, while nearly all bacteria can be grown in vitro in the absence of ...
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    The Coal Industry in Great Britain (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 773-774 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    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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    Sir Herbert Read, G.C.M.G., C.B. (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 775-776 
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    Notes: [Auszug] BY the death of Sir Herbert James Read on Octover 16, tropical medicine has lost of its best friends and supporters, and his name is interwoven with the history of that branch of medicine. Born in 1863 and educated at Allhallows School, Honiton, he entered the Colonial Office as a higher division ...
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    Reindeer Council of the United Kingdom (1949)
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    Nature 164 (1949), S. 776-777 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Reindeer Council of the United Kingdom came into existence recently in response to the interest aroused, both in Scotland and in England, in a proposal to introduce reindeer in some suitable area of the United Kingdom. The founders of the Council include travellers, explorers and arctic experts ...
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    Myosin as Adenlylic Acid Deaminase (1949)
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    Nature 164 (1949), S. 845-846 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SCHMIDT1 was the first to describe the preparation of an extract from rabbit muscle which specifically deaminates adenosine-5-phosphoric acid. When adenosinetriphosphate was identified from muscle, Lohmann and Schuster2 observed that Schmidt's deaminase often ...
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    The Professional Man in the Modern State (1949)
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    Nature 164 (1949), S. 761-763 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOSE men of science who are familiar with the study of "The Professions" which Sir Alexander Carr-Saunders and Mr. P. A. Wilson gave in 1933 will welcome the survey of "The English Middle Classes" which Mr. R. Lewis and Mr. A. Maude have recently made*. While this new book does not diminish the ...
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    Symposium on Mathematical Statistics (1949)
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    Nature 164 (1949), S. 764-765 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    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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    Fishes of the Western North Atlantic (1949)
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    Nature 164 (1949), S. 766-766 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM the time of its appearance half a century ago, Jordan and Everyman's "Fishes of North and Middle America" has until to-day remained the only comprehensive descriptive account of the fishes of the western Atlantic Ocean. Much new knowledge has become available during this long period, and the ...
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    Organ Pipe Tones (1949)
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    Nature 164 (1949), S. 783-783 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH Organ flue pipes are in common use and the practical organ builder can from long experience produce, purely empirically, a variety of musical tones, the tone-producing mechanism is at present obscure. So far, investigations have been made on the' tones of pipes only in their finished ...
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    Structure and Colour in the 1:2-Dihydro-quininolo(3′:2′:3:4)quinolines (1949)
    [s.l.] : Nature Publishing Group
    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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    Constitution of ‘Pure’ Cellulose (1949)
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    Nature 164 (1949), S. 786-787 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE word ‘cellulose’ possesses two connotations: in a technical sense it denotes products obtained by certain processes from vegetable material; in a chemical sense it is commonly used for a linear high-molecular polysaccharide composed solely of glucose residues linked by α 1-4 glucosidic ...
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    Polymorphism in Tin Tetra-ethyl and Related Compounds (1949)
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    Nature 164 (1949), S. 787-788 
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    Notes: [Auszug] IN the course of a calorimetric investigation of the thermodynamic properties at low temperatures of the tetra-alkyl compounds of Group 4 elements, we have found that tin tetra-ethyl has an unusually large number of melting points. All these lie in the range 137–147° K. When this substance is ...
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    Effect of Adrenal Cortical Steroids upon the Formation of Carbohydrate by Rat Liver Slices (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 790-791 
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    Notes: [Auszug] SECKEL1 showed that addition of eschatine (adrenal cortical extract) to rat liver slices incubated aerobically in phosphate–Ringer solution caused inhibition of glycogenolysis. This was confirmed by Chiu and Needham2, who found, further, that this inhibition is ...
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    Action of Cardiac Glycosides on the Polymerization of Actin (1949)
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    Nature 164 (1949), S. 792-792 
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    Notes: [Auszug] ACCORDING to Szent-Györgyi1, muscular contraction involves the following reaction: at certain salt concentrations, actomyosin, formed from myosin and polymerized actin, loses water and contracts by the action of adenosinetriphosphate. Actin may be present in two forms: in a ...
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    Shock and Mitotic Activity in Mice (1949)
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    Nature 164 (1949), S. 795-796 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been argued that the concentration of sugar (or glycogen) within a tissue is a critical factor in controlling the rate of mitosis1. An abundance of sugar induces active cell division, while a sugar deficiency results in mitosis depression. Such a depression follows ...
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    Rheological Measurements and Adhesion (1949)
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    Nature 164 (1949), S. 799-799 
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    Notes: [Auszug] THE work described by Dr. E. W. J. Mardles1 may be considered in relation to our results on yield stresses in lubricating greases2, which were determined under conditions of simple tangential shear. We presented evidence to show that at shearing stresses above a ...
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    Zinc Deficiency of Fruit Trees in Britain (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 801-802 
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    Notes: [Auszug] ZINC deficiency of fruit trees, which was first recognized by Chandler et al.1 in 1931, has since been reported as a serious trouble in many of the important fruit-growing countries of the world, particularly in the United States2 and Australia3,4,5. ...
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    Reports and other Publications (1949)
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    Nature 164 (1949), S. 804-804 
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    Notes: [Auszug] Great Britain and Ireland Britain's New Industry. Stanlow 1949. Pp. 80. (London: Shell Chemical Manufacturing Co.. Ltd., 1949.) [197 Soviet Studies: a Quarterly Review of the Social and Economic Institutions of the U.S.S.R. Vol. 1, No. 1, June. Pp. 92. (Oxford: Basic Blackwell, 1949.) 7s. 6 Z. ...
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    Pomology (1949)
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    Nature 164 (1949), S. 725-725 
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    Notes: [Auszug] THE author of "Cherries" rightly states that the plarming of a satisfactory cherry orchard is a "difficult/venture". Factors such as shelter, freedom from frost and the character of the soil rrmst first be taken into account. The selection of suitable varieties involves consideration of their time ...
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    Chemistry in Canada (1949)
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    Nature 164 (1949), S. 724-724 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is clear from this book that chemistry has played a great part in the development of Canada. Indeed, according to Lash Miller, the first colonist of New France was a chemist, Louis Hobert; upon lands given by his descendants in the city of Quebec stands Laval University at the present day. ...
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    Induction of Mutations (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 731-733 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the receat Newcastle meeting of the British Association, the Botany and Zoology Sections jointly held a symposium on the artificial induction of mutations. Dr. P. T. Thomas (Aberystwyth) reviewed the work on the induction of cytoplasmic changes by the action of chemical agents. He pointed out ...
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    [Obituaries] (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 734-734 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE regjjCTto announce the following deaths: Sir Robert Pickard, F.R.S., formerly director of reseayim, British Cotton Industry Research Association, on October 18, aged seventy-six. Prof. Ida Ward, C.B.E., emeritus professor of ^/West African languages in the University of London, on October 10, ...
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    Memorial to James Nasmyth (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 735-735 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A BKONZE plaque has recently been placed on 47 York Place, Edinburgh, to mark the birthplace of James Nasmvth, the celebrated inventor, engineer and astronomer, who was born there on August 19, 1808. The tenth of the eleven children of the distinguished painter, Alexander Nasmyth (1758-1840), he ...
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    Spawning Act of the Bitterling (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 735-735 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AMONG a number of interesting contributions to the silver jubilee number of The Aquarist and Pondkeeper (May 1943),a paper on the breeding habits of the bitterling Rhodeus amarus) is noteworthy. The author, the well-known fish photographer, W. S. Pitt, brings together a number of contradictory ...
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    Classification of the Drongos (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 725-725 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE family Dicruride, or drongos, has its head-quairs in the oriental region, though there are a few species in the Ethiopian and Austro-Papuan regions. The drongos were placed by Sharpe and Harflert with the birds of paradise, but more recent writers, including Mayr, consider they are more nearly ...
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    Production of Radioactivity in Animal Tissues by High-Energy X-Rays (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 728-730 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Introduction THE photo-disintegration of atomic nuclei by high-energy X-rays is well known; but there seems previously to have been no record of the production of radioactivity in animal tissues. In view ofthaocvious radiobiological and medical importance of any such phenomena, we have carried out ...
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    The Centenary of Finland's Institute of Technology (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 733-734 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A STATUTE issuedrtn 1847 prescribed the foundation of such schools in Finland as would provide "youths who wish to havell career in Industry with an opportunity for all the necessary training". The Technical School founded in Helsinki was opened on January, 15 1949. So was born the present ...
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    The Structure Responsible for Action Potential Spikes in the Cat's Retina (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 743-744 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is well known from the work of Granit1 that isolated action potential spikes may be recorded from the eyes of many animals by placing a micro-electrode in contact with suitable spots on the retina through the opened bulb. The cat is particularly suitable. The importance of ...
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    Role of Co-factors in the Inhibition of Bacterial Viruses by the Somatic Antigens of Shigella Sonnei (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 744-744 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the course of an investigation1 on the susceptibility of Sh. sonnei Phase I and II2 and their phage-resistant variants to the T series of bacterial viruses, it was found that the Phase I micro-organism was lysed only by T2 and T6, ...
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    Effect of Rain on the Feeding of the Malaysian Rice-Field Rat (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 746-747 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rattus rattus argentiventer, the Malaysian rice-field rat, is a common pest of standing crops and of wasteland covered by the tall grass ‘lalang’ (Imperata cylindrica). It is widely distributed throughout the Malaysian Islands, and in Malaya it is the most important host of the scrub typhus ...
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    Bond Distances in Adenine Hydrochloride (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 750-750 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent crystallographic study of adenine hydrochloride, Broomhead1 has concluded that the central or C4—C5 bond distance of 1.44 A. is probably significantly greater than those of the other C—C or C—N bonds in the molecule. This conclusion is based on ...
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    Band Systems of Zirconium Oxide (ZrO) in the Ultra-Violet (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 752-753 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THREE new systems of ZrO have been observed in the ultra-violet, in addition to the three triplet systems in the visible region analysed by Miss Lowater1. Lowater also observed twelve bands, degrading to the longer wave-length, in the region 3726–3470 A., differing in general ...
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    A General Powder X-Ray Photography (1949)
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    Nature 164 (1949), S. 755-756 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the outset of calculation, no assumption whatever is made as to the symmetry and dimensions of the unit cell. The powder photograph is simply treated as that of a triclinic crystal without special relationship between its constants. The reflexion hkl in the powder photograph, then, may be ...
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    Specific Ionization of Extensive Shower Particles (1949)
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    Nature 164 (1949), S. 756-756 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN using ionization chambers to study extensive showers, it is necessary to assume some value for the specific ionization of shower particles in order to convert the number of ions collected (which is the quantity measured by the chamber) to the number of particles passing through the chamber, ...
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    Scientific and Technical Books in Great Britain (1949)
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    Nature 164 (1949), S. 677-679 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE adjournment debate on September 27 in the House of Co port of .books it is at on the licensing of the im-no hope of early relief; but iry to find that protests are still .e handicap which the licensing ientific and technical work. It since beerl announced in the Press that the Economic ...
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    Soil Copper Deficiency in County Offaly, Ireland (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 759-759 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON a farm where a feeding experiment in connexion with phosphate deficiency in pasture herbage was in progress, a heifer showing extreme emaciation and excessive scouring was brought to my notice. The scour, which was almost continuous, was thin and watery, green to black in colour with ...
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    Forthcoming Events (1949)
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    Nature 164 (1949), S. 760-760 
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    Notes: [Auszug] ROYAL STATISTICAL SOCIETY (at the London School of Hygiene and Tropical Medicine, Keppel Street, London, W.C.I), at 5.15 p.m. -Sir Geoffers Heyworth: "The Use of Statistics in Business". UNIVERSITY OF LONDON (in the Chemistry Theatre, University College Gower Street, London, W.C.I), at 5.15 ...
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    Indian Phytopathology (1949)
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    Nature 164 (1949), S. 690-690 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WITH the rapid advances made in mycology and plant pathology throughout India during the past quarter of a ptentury (since the late Sir Edwin John Butter was apnointed the first Imperial mycologist at the usa Agricultural Research Institute) the time fully ripe for the publication of a journal ...
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    Correlation of Non-Measurable Variables (1949)
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    Nature 164 (1949), S. 680-680 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT waskin experimental psychology that the methods of rffl k, correlation were first introduced, and Spearmanre coefficient ? has been familiar to statis-ticifflMToAjmany years. More recent work on the same lines has produced an alternative coefficient t (by Kendall) and a general coefficient (by ...
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    Fungi for Indian Students (1949)
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    Nature 164 (1949), S. 680-681 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is gratifylm;; to find yet another teaching inyco-logisfc TOWnng to the work of the late Sir Edwin J. Butler,fo|j Help and inspiration. In this book, Dr. has undertaken to write on "Fungi andM?lant Disease" for students pursuing agricultural or cognate courses in various colleges in India. The ...
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    The University of Manchester Universal High-Speed Digital Computing Machine (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 684-687 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE electronic computing machine described here has beejrideVeloped in the Electrical Engineering Laboratories at the University of Manchester under the genqifCl direction of Prof. F. C. Williams, and with the rtustivYs assistance of the Telecommunications Research Establishment, Malvern. The use ...
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    President and Vice-Chancellor, Queen's University, Belfast: Prof. Eric Ashby (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 689-689 
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    Notes: [Auszug] BOTANISTS in particular will have read with pleasure that one of irnumber, Prof. Eric Ashby, Harrison profestedo of botany in the University of Manchester- haV been invited by the Senate of 8 vUfeversity, Belfast, to accept the post of ni and vice-chancellora worthy choice for a vare and exacting ...
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    Royal Institution: Prof. E. N. da C. Andrade, F.R.S. (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 689-689 
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    Notes: [Auszug] ON January 1 next, Prof. E. N. da C. Andrade will take up his duties as−tiiregi ln the Royal Institution, resident professor [aMrMirector of the Davy Faraday Research Law atij/y, duties for which few English m i of science can be so well fitted. Prof. Andrade repej pd ms early academic training at ...
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    Charles Chree Medal of the Physical Society: Dr. G. M. B. Dobson, F.R.S. (1949)
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    Nature 164 (1949), S. 689-690 
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    Notes: [Auszug] THE 1949, Charles Chree Medal and Prize of the PhysicalSociety will be presented to Dr. G. ?. ?. Dobsojafof Oxford, on November 4, at a meeting to be held at the Science Museum, Exhibition Road, L/indon, S.W.7, at 5 p.m. Dr. Dobson has been eminent in the meteorological field for many years, and ...
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    Ancient Fishing on the River Severn (1949)
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    Nature 164 (1949), S. 691-691 
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    Notes: [Auszug] THE interest in folk museums is growing throughout Great Britain. There are those who would like to see inamenefc pAAifiset aside for folk studies on a ndfccuialvscale/ on the Scandinavian plan, whereas others are content with more regional establishments, even down to a county basis; but no folk ...
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    Abstracting Journals (1949)
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    Nature 164 (1949), S. 692-692 
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    Notes: [Auszug] A LIST of Periodicals and Bulletins containing abstracts published in Great Britain has been prepared under fβ supervision of the Abstracting Services Capftative Committee and issued by the Royal SocieKr (London: Camb. Univ. Press. Pp. 62. 2s. 6$Sk NfrM periodicals are listed alphabetically by ...
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    Awards of National Certificates in Textiles (1949)
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    Nature 164 (1949), S. 692-692 
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    Notes: [Auszug] OF a totalrof 298 students who took the examinations this jrear for the award of national certificates in textile 230 students were successful, 157 having studied/cotton subjects and 73 woollen and worsted processing. This is the highest number of successes so far obtained since the inception in ...
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    Phosphorylation of d -Glucosamine by Brain Extracts (1949)
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    Nature 164 (1949), S. 693-694 
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    Notes: [Auszug] DURING an investigation into the relationship between acetylcholine synthesis and carbohydrate metabeusm in the central nervous system, it became important for us to study the inhibitory action of gjucose and fructose on the rate of acetyl-choline formation by extracts of acetone-dried brain ...
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    Action of X-Rays on Nucleic Acids (1949)
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    Nature 164 (1949), S. 709-710 
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    Notes: [Auszug] FOR the understanding of the biological effects of ionizing radiations, it appears desirable to study their effects on relatively simple systems in aqueous media. We have studied previously the action of ionizing radiations (X-rays, gamma-rays, neutrons, alpha-rays) on simple aromatic ...
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    Presence of a Spasmogenic Substance, Presumably Histamine, in Extracts of Mummy Tissue (1949)
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    Nature 164 (1949), S. 701-702 
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    Notes: [Auszug] EGYPTIAN mummies as well as mummified bodies from other parts of the world have been the subject of extensive investigation. Thus, for example, it has been possible to obtain blood-group reactions with mummified tissue, as shown by Boyd and Boyd1, Candela2 and ...
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    Synthesis of β- Iso maltose Octa-acetate (1949)
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    Nature 164 (1949), S. 706-706 
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    Notes: [Auszug] RECENTLY, crystalline derivatives of isomaltose, 6-α-D-glucopyranosyl-D-glucose, have been prepared by controlled hydrolysis of dextran and by application of the chromatographic techniques1. It is proposed to outline here a synthetic method of preparing isomaltose ...
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    Mass of a Lorentz Electron (1949)
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    Nature 164 (1949), S. 714-714 
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    Notes: [Auszug] ACCORDING to Heaviside (1885), as is well known, the rest mass m of a Lorentz electron, with radius a and charge e, is, in Gaussian units, ... The mass m is obtained as the ratio of the magnetic energy in the field, assumed to be kinetic, when the electron moves with velocity v minute in ...
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    Electronic Resource
    Electronic Resource
    Combustion of Droplets in a Fuel Spray (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 708-709 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A FUNDAMENTAL investigation is in progress at the National Gas Turbine Establishment of the mechanism of the combustion of droplets in a fuel spray. In particular, the factors influencing the rate of burning, that is, the rate of evaporation of the burning drops, are being investigated. This ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164708b0
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