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  • Nature Publishing Group  (62,001)
  • American Geophysical Union (AGU)
  • Annual Reviews
  • 1980-1984  (21,819)
  • 1960-1964  (29,232)
  • 1935-1939  (17,114)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1284-1285 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] At about this strain rate the yield stress of niobium free of impurities is predicted2 to be ~ 2.5 kg mm2 and this is postulated to be the PeierlsNabarro force. Considering this model, the yield stress of this 'pure' niobium at 77 K should be ~ 50 kg mm2. Using a 'flash-annealing' technique the ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1294-1295 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] However, the experimental records at present available were obtained by applying currents non-uniformly from one point in cable-like preparations3 or sheet-like preparations2. Fig. 2 shows the effects of currents applied at one point in cable-like preparations (mammalian Purkinje fibres). It can be ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1297-1298 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A case of atypical chronic myeloid leukaemia in a 56-year old male of known British descent has now been found which exhibits similar red-cell inclusion bodies (Fig. 1), associated with the presence of about 10 per cent of a minor hmoglobin, with no detectable proportions of HbF and HbBart's (HbF4) ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1301-1302 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It was presumed that differential killing of cells which carried mutations was the mechanism involved. In an attempt to explain the results quantitatively, a mathematical model for the irradiated population of spermato-gonia was formulated. This model is based on the assumptions that: (a) there is ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1221-1222 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS trefoil illustrates three types of writing. Modern Problems in Ophthalmology shows all the ardour and enthusiasm of writers who present their own work; indeed, so original are these papers that there are no references to other people's writings. Advances in Ophthalmology contains reviews, ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1224-1224 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE preparation of a single volume covering the whole field of obstetrics and gynaecology is an unenviable task, particularly if the author directs his book to teachers. Inevitably some subjects are compressed into small space and there are omissions. For example, in the section on the new-born, ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1230-1231 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRIGADIER MARTIN HOTINE, director since 1946 and adviser on surveys successively to the Secretary of State for the Colonies and to the Secretary for Technical Co-operation, will retire on October 10 after forty-six years service to the Crown, and after making a very substantial contribution both to ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1311-1312 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A buried surface soil containing hydrated halloysite Would offer a suitable sample for dating the mineral by means of radiocarbon measurements, if the soil contains enough organic carbon and has been isolated from biotic activity since the soil was covered with ash. Simultaneously with weathering ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1257-1259 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOUGH much is known about the cellular basis of antibody formation1, the detailed behaviour and role of antigen during the induction of an immune response are still little understood. Sabin2 first showed that dye-protein antigens were taken up by phagocytic mononuclear calls, and investigation of ...
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  • 10
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    Nature 199 (1963), S. 1138-1138 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE 1963 edition of Scientific Research in British Universities and Colleges contains brief notes on scientific research in progress in British universities and colleges, and describes the nature of the projects in sufficient detail to indicate the scope of the research done by the various science ...
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  • 11
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    Nature 199 (1963), S. 1139-1139 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Radiobiological Dosimetry is one of a series of five reports issued by the International Commission on Radiological Units and Measurements which deal with various aspects of radiation measurements, and which have replaced the single and complete statement of the recommendations of the International ...
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  • 12
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    Nature 199 (1963), S. 1139-1140 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Ramsay Memorial Fellowships Trustees have made the following awards of new fellowships in chemistry for the year 196364. A General (British) fellowship to Mr. C. D. Akon at University College, London; a Canadian fellowship to Dr. W. F. Reynolds at University College, London; a Japanese ...
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  • 13
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    Nature 199 (1963), S. 1140-1140 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been found impracticable to organize the second International Congress of Medical Photography and Cinematography in Great Britain in the foreseeable future, owing to the fact that, apart from a few notable exceptions, the support which was expected from many quarters has not been ...
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  • 14
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    Nature 199 (1963), S. 1145-1145 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual report of the Ontario Research Founda-for 1962* includes the reports of the director, Dr. A. D. Misener, and the director of research, A. E. K. Westman, the financial statement, lists of scientific and technical papers published during the year and of research awards and details of ...
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  • 15
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    Nature 199 (1963), S. 1155-1158 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE shown1 that in the rat the inhalation of 20 per cent carbon dioxide in oxygen, as opposed to 25 per cent air in oxygen, significantly increases the cooling rate while the animal is in a deep freeze at 0 C,- an effect dependent on the prior removal of the fur. The work recorded here has been ...
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  • 16
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    Nature 199 (1963), S. 1174-1175 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A GOAL of 'behavioural physiology' is to analyse the behaviour of an organism into its functional components and then to explain their integrated activity in terms of the individual activities of sense cell, nerve cell and muscle unit. The relative simplicity of the coelenterate nervous system ...
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  • 17
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1288-1288 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this method the chromatogram is removed from the glass plate by means of a self-adhesive plastic film. Films composed of cellulose acetate and PVC have been used in this connexion. ('Transpasene' and 'Transpaseal, manufactured by Dispro, Ltd., were used in this investigation.) The PVC film was ...
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  • 18
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    Nature 199 (1963), S. 1189-1191 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The adipose tissue was taken at autopsy from people of widely different ages and occupations, but without occupational exposure to DDT. The causes of death are listed in Table 1, but in no instance was DDT involved. The tissue was weighed before being placed in 10 per cent formaldehyde (4 per cent ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1193-1194 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The work recorded here presents further evidence in favour of this theory by the observation of the visco-elastic behaviour of blood vessels of the muscular type. The method of quick-releases has been used5. Rectangular strips of the carotid from a cow, immersed in Tyrode's solution at ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1197-1197 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We tried to determine if in vitro addition of bilirubin to normal human citrated plasma also influences the clotting mechanism2. Free bilirubin at physiological pH is not very soluble in plasma. Therefore we dissolved bilirubin (50 mg bilirubin 'Homburg') in a sodium carbonate solution (0.185 g in ...
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  • 21
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    Nature 199 (1963), S. 1238-1238 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIB EDWARD PLAYFAIR, chairman of International Computers and Tabulators Ltd., has been appointed president of the British Computer Society in succession to Mr. R. L. Michaelson. Sir Edward is a governor of the Imperial College of Science and Technology, a member of the boards of Westminster Bank ...
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  • 22
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    Nature 199 (1963), S. 1240-1241 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE report of a working party, with Prof. A. V. Judges as chairman, set up at the second session of a conference on June 6, 1961, presided over by Dr. Duns-heath, and attended by representatives of the University of London, the Regional Advisory Council for Technological Education (London and Home ...
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  • 23
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    Nature 199 (1963), S. 1208-1209 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] While on a visit to the Indian Veterinary Research Institute, Izatnagar, India, one of us (S. P. D.) tested cells of 40 water buffaloes of the Hurrah breed with cattle blood typing reagents (F, V, J, and Z) prepared at Wisconsin. These reagents detected antigenic factors belonging to three ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1214-1215 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] One hundred and thirty-one fifth-form boys were available for the investigation. Of these 131 boys, 96 provided the data reported here. The boys were assembled in two groups of approximately equal size on subsequent days during regular school hours and the TAQ was administered along with a ...
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  • 25
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    Nature 199 (1963), S. 1056-1057 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HYDROGEN is known1 to play an important part in the aqueous corrosion of certain metals. Recently, Leach et al., investigating the aqueous oxidation of titanium and other metals2 4, have found an apparent increase in the electrical conductivity of the oxide film after the evolution of hydrogen at ...
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  • 26
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    Nature 199 (1963), S. 1179-1180 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Investigations have been carried out on the foregoing substances, on ethylene itself and on many halogenated derivatives by both P.I. and E.I. techniques. Ion-yield curves have been obtained over the range from the ionization thresholds up to 11-2 eV. The ionization potential by E.I. was obtained ...
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  • 27
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    Nature 199 (1963), S. 1182-1183 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Male rats weighing about 150 g, trained1 to consume food promptly, were fed a meal containing 2 g of a starch-glucose mixture1 and 1 g of an amino-acid (glycine, methionine, leucine, alanine, aspartic acid or glutamic acid) or casein; control animals received the starch-glucose mixture without any ...
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  • 28
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    Nature 199 (1963), S. 1186-1187 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have made similar observations with the enzyme precursor, pepsinogen. In a typical experiment. 40 mg Worthington chromatographically pure pepsinogen (lot 6021) was dissolved in 2.5 ml. 8.0 M urea, 0.1 M potassium chloride, 0.01 M tris buffer, pH 8.5. To this solution, 0.1 ml. of redistilled ...
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  • 29
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    Nature 199 (1963), S. 1191-1192 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since any part of a nerve-free muscle fibre is capable of being innervated35 the observations indicate that established nerve endings exert an inhibitory influence which renders the whole muscle fibre incapable of accepting further innervation. As Harrison6 pointed out in 1910, there is a certain ...
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  • 30
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    Nature 199 (1963), S. 1194-1195 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Various investigators have explored the effect of LSD-25 on the pituitary-adrenal axis using as parameters alterations in the total leukocytic4 and eosinophilic levels4,5. Decreases in the frequencies of these cell types have been frequently associated with increased adreno-cortical activity4'6. In ...
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  • 31
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    Nature 199 (1963), S. 1197-1199 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When developed with a highly specific goat anti-serum (AG) to chromatographically purified rabbit g-globulin, the immunoelectrophoretic pattern of rabbit serum showed only a single g-globulin arc (Fig. 1b). Rabbit colostrum (Fig. la) gave the g-globulin arc, but in addition a second arc with the ...
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  • 32
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    Nature 199 (1963), S. 1303-1304 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Daily germinations from 2,327 ripe seeds obtained from a plant of the Capsella simplex type sown on July 16,1962. Period A, 501 seeds obtained in 33 days (21.5 per cent); B, 62 from 36th to 74th day (2.6 per cent); C, 129 from 90th to 112th day (5.5 per cent) D, 27 from 117th to 137th day ...
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    Nature 199 (1963), S. 1304-1305 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since the semiconduction theory would require the presence of free charge carriers while the piezo-electric theory would have no such requirement, the application of electron paramagnetic resonance techniques to this problem seemed to be of interest. If semiconducting materials with adequate ...
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    Nature 199 (1963), S. 1306-1307 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Naturally, the samples cannot be taken by themselves as characteristic of the whole breed or typein an earlier investigation a much higher proportion of another Gorriedale sample contained meta-cortex. However, the differences between the merino types, the Downs, the English Longwools and the ...
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    Nature 199 (1963), S. 1307-1308 
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    Notes: [Auszug] The changes observed were fully developed in animals killed at one week and did not differ in animals killed later. They consist of a moderate increase in the numbers of mitochondria, some swelling of these organelles, and, a very marked increase in the number of crist mitochondriales found in each ...
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    Nature 199 (1963), S. 1101-1102 
    ISSN: 1476-4687
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    Notes: [Auszug] The precise mechanism of action of 6-MP is not yet known. Present evidence indicates that, after enzymatic conversion to the ribonucleotide, the analogue interferes with the biosynthesis and inter-conversion of purine nucleotides, but does not replace to a significant degree the normal components ...
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    Nature 199 (1963), S. 1106-1107 
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    Notes: [Auszug] Since any wafer of plant material will almost certainly be at infinite thickness for carbon-14, the count obtained is directly proportional to the specific activity of the sample. If relative measurements only are required these data are sufficient. A quantitative measure of the radioactivity ...
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    Nature 199 (1963), S. 1109-1109 
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    Notes: [Auszug] In the work recorded here, a variety of higher plant materials were examined for the incorporation of radio-sulphate into the amino-acid fraction. In particular, the leaves, hypocotyls and cotyledons of radish seedlings were found to show a rapid incorporation of radiosulphate into the amino-acids. ...
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    Nature 199 (1963), S. 1112-1113 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] For this reason we have re-investigated the effect of light in relation to wave-length and intensity of the irradiation on the synthesis of bacteriochlorophyll. Fifty-ml. Esbach dishes covered with a glass plate were used as culture chambers. The other experimental conditions are described ...
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    Nature 199 (1963), S. 1278-1279 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Flint is described as a "tough, very compact, micro-crystalline material"2. The colour varies from light, almost transparent, to grey or black. Weymouth3 has shown that flint has a typical density of 2.62 g/c.c., and shows only the X-ray diffraction pattern of quartz. Since the density of quartz is ...
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    Nature 199 (1963), S. 1282-1282 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] After the load and indenter are removed the indentation remains, although its curvature is slightly less than that of the indenter itself. The change in curvature is attributed by Tabor to elastic recovery of the material during unloading and his measurements are consistent with this view. If the ...
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    Nature 199 (1963), S. 1138-1138 
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    Notes: [Auszug] THE second volume of the educational statistics for 1962 has recently been published by the Ministry of Education (Statistics of Education, Part 2, 1962. Pp. 115. London: H.M.S.O., 1963. 20s. net). The topics dealt with include General Certificate of Education examinations, further education and ...
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    Nature 199 (1963), S. 1138-1139 
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    Notes: [Auszug] ANALYSTS, consultants and chemists employed in the food and drugs industries will welcome the appearance of the quarterly Journal of the Association of Public Analysts (1, No. 1. Pp. 124. London: Association of Public Analysts, 1963, Annual subscription, 30s.). It is intended that this new journal ...
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    Nature 199 (1963), S. 1092-1092 
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    Notes: [Auszug] At low temperatures transparent glasses are obtained with certain solvents. The purified and degassed samples are directly irradiated in the cavity of a Varian 4502 02 spectrometer at the liquid nitrogen temperature. The source of light is an Osram HBO 200 lamp without filter. There is a great ...
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    Nature 199 (1963), S. 1093-1094 
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    Notes: [Auszug] Rhodopseudomonas spheroides, obtained from Dr. Lascelles (Oxford), were grown semi-anaerobically in the light at room temperature for 48 h in medium S of Lascelles6. Then, the organisms were gathered by centri-fugation at 0 and washed with cold 0.05 M phosphate buffer pH=7.4. The washed cells were ...
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    Nature 199 (1963), S. 1140-1140 
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    Notes: [Auszug] THE Perkin Centenary Fellowship for 1963 has been awarded to Mr. 1ST. S. Rao (India), who has been a post graduate student at the University of Birmingham for the past year. The Fellowship will be tenable from October 1 in the Department of Chemistry, Imperial College of Science and Technology, ...
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    Notes: [Auszug] THE wide variety of courses described in a brochure published by the Urwick Management Centre is a remarkable tribute to the way in which management education is developing in Britain. The courses include short seminars for top management, longer courses for potential managing directors and for ...
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    Nature 199 (1963), S. 939-940 
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    Notes: [Auszug] WITHIN the last two years there have been held, in Great Britain, three conferences concerned with the use of satellites for world-wide radio-telephone and television communications. The first of these was organized by the British Interplanetary Society in London in May 1961, the second by the ...
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    Nature 199 (1963), S. 1142-1144 
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    Notes: [Auszug] THE Hanford symposium on "The Biology of Radioiodine" was held in Richland, Washington, during July 1719, under the joint sponsorship of the U.S. Atomic Energy Commission and the Hanford Laboratories of the General Electric Co. (contract No. AT(451)1350 between the Atomic Energy Commission and the ...
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    Nature 199 (1963), S. 1146-1147 
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    Notes: [Auszug] THE results of a survey, The Employment of Cambridge Graduates*, made by Mrs. Christine Craig to help the University of Cambridge Appointments Boards, has been published by the Cambridge University Press. It covers the present occupation of Cambridge graduates of 1952 and 1953, the levels of ...
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    Nature 199 (1963), S. 1154-1155 
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    Notes: [Auszug] IT is known that chemical energy can be transformed directly into mechanical energy by means of macro -molecular filaments dilating and contracting under the influence of chemical changes. This energy transformation was found in all cases to be associated with the phenomenon that mechanical ...
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    Nature 199 (1963), S. 1302-1303 
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    Notes: [Auszug] Table 1. AMINO-ACII )S AND Al JJOHEXOSES 11 * CULTURES GR OWN (a) WITH AND (6) WITHC 〉UT FREE Ace !ESS OF AIR Culture Amino -acids Suga irs (a) (&) (a) 〈&) Bean 8-5 40-2 67 60 Sycamore 4-2 25-1 109 103 Rose 19-4 47-0 7-3 5-8 Haplopapus 7-2 60 ...
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    Nature 199 (1963), S. 1172-1174 
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    Notes: [Auszug] STIMULATION of amino-acid incorporation by synthetic polynucleotides in cell-free systems from E. coli16 and mammalian tissues712 has been reported. Previous investigations in this laboratory12 demonstrated that aminoacyl transfer from sRNA to rat liver ribosomes was stimulated by the addition of ...
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    Nature 199 (1963), S. 1308-1309 
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    Notes: [Auszug] Tubercle bacilli grown in vivo (LH37Rv) were obtained as previously described5. The in vitro grown bacteria, M. tuberculosis H37Rv, were obtained from 1015 day cultures in albumin medium from which 'Tween-80' was omitted. The bacilli were collected by centrifugation, washed and homogenized in a ...
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    Nature 199 (1963), S. 1181-1182 
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    Notes: [Auszug] At low chlorine pressures, a first-order decay in the chlorine atom concentration was observed. This was attributed to surface recombination. Ogryzlo1 has previously studied this. As the chlorine pressure was raised, the order increased towards two. The following mechanism is proposed to account ...
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    Nature 199 (1963), S. 1184-1184 
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    Notes: [Auszug] The naphthalenes were isolated from Chromatographie fractions of cigarette smoke condensate by precipitation as complexes with s-trinitrobenzene. The combined complexes were decomposed and the mixture of naphthalenes obtained was separated by preparative scale gas chromatography. The individual ...
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    Nature 199 (1963), S. 1189-1189 
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    Notes: [Auszug] Plants of Galega officinalis, Lotus pedunculatus, Trifolium repens and Vicia sativa were grown from seed in sterilized sand which had been inoculated with the appropriate Rhizobia. Nodules were collected six weeks after planting and were kept at 3 until extracted within 3 h of collecting. Extracts ...
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    Nature 199 (1963), S. 1120-1120 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: HEAD (with good academic qualifications, teaching and/or industrial experience, and able to organize research) OF THE ELECTRICAL ENGINEERING DEPARTMENT Clerk to the Governors, Woolwich Polytechnic, London, ...
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    Nature 199 (1963), S. 1001-1002 
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    Notes: [Auszug] In order to assess the role of catalase in the metabolism of leucocytes a relatively specific inhibitor of catalase activity, 3-amino-l,2,4-triazole (AT), was used. Thia compound has been shown to inhibit the catalase activity of liver and kidney but not of the erythrocyte5,6. In the work to be ...
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    Nature 199 (1963), S. 978-980 
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    Notes: [Auszug] MANY experiments have been carried out to determine the initiating event leading to electrical breakdown between metallic electrodes separated by high vacuum1'2. While the mechanism causing breakdown in certain cases, such as when using sharply pointed cathodes in extremely clean conditions, is now ...
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    Nature 199 (1963), S. 1139-1139 
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    Notes: [Auszug] CHLORTETRACYCLINE (CTC) and oxytetracycline (OTC) have been used for some years in Canada for prolonging the storage-life of fish. A few instances have been reported, however, where dipping in antibiotic solutions has been found to be ineffective in commercial practice. The difficulties encountered ...
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    Notes: [Auszug] AWARDS from the Sir George Beilby Memorial Fund are made by the Administrators of the Fund, representing the Royal Institute of Chemistry, the Society of Chemical Industry and the Institute of Metals. Sir George Beilby was president of each of these three bodies, and they jointly sponsored the ...
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    Notes: [Auszug] THE Kamerlingh-Onnes Medal of the Netherlands Society for Cooling Technique has been awarded to Dr. Franklin Kidd and Mr. C. West for their work on the influence of temperature, moisture and composition of gases on the behaviour of fruit. DR. H. LEHMANN has been appointed University biochemist to ...
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    Nature 199 (1963), S. 1145-1146 
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    Notes: [Auszug] THE report of the National Chemical Laboratory, 1962, includes the reports of the Steering Committee and of the Director*; that of the Director includes accounts of the work of the six research groups and lists of publications during the year. The planned transition of the work of the ...
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    Notes: [Auszug] THERE is a growing tendency to use the adsorption of xenon for surface area measurements, especially for small areas, because the low value of P0(Xe) enables useful values of P/P0 to be reached with conventional apparatus without incurring the penalty of large dead volume corrections. However, ...
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    Nature 199 (1963), S. 858-859 
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    Notes: [Auszug] WHEN the Volta Dam in Ghana is completed next year a lake will begin to form which will eventually cover an area of 3,275 square miles. This will be the largest man-made stretch of water in the world. The water-level will begin to rise in about September after the rainy season of 1964 and will ...
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    Nature 199 (1963), S. 874-875 
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    Notes: [Auszug] HEMBERG1 first proposed the theory that growth -inhibiting substances play a part in the regulation of bud dormancy in woody plants. The theory is mainly supported by the fact that a correlation can be shown to exist between seasonal changes in the state of dormancy of the buds of certain species ...
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    Nature 199 (1963), S. 883-883 
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    Notes: [Auszug] DR. J. S. FORREST chooses for the subject of his presidential address to Section A (Mathematics and Physics) *'High-voltage Insulation". Insulating materials for high voltages may take the form of a gas, a solid, or a liquid, or a combination of these. The gas commonly used is air at ...
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    Nature 199 (1963), S. 1027-1027 
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    Notes: [Auszug] THIS is an excellent hand-book edited by Trapp and Himelstein, both of Arkansas University. It contains forty-eight chapters divided into sections, and covers a wider field than the title leads one to expect. The first section is concerned with studies of children of exceptional intellectual ...
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    Nature 199 (1963), S. 1025-1025 
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    Notes: [Auszug] WITH this, the twentieth volume, Vitamins and Hormones celebrates twenty years of continuous publication, and the editors have appropriately invited P. Karrer and G. Pincus to mark the occasion by writing guest prefaces in which they express their appreciation of the service this publication has ...
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    Nature 199 (1963), S. 959-959 
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    Notes: [Auszug] A BRITISH glaciologist, Dr. Charles Swithinbank, is to join the ninth Soviet Antarctic Expedition which is preparing to leave Leningrad in the autumn in the Dieselelectric ship Ob and motorship Co-operatsiya. This will be the first time a British scientist has participated in a Soviet Antarctic ...
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    Nature 199 (1963), S. 1026-1026 
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    Notes: [Auszug] THE development of the synthetic dye industry is a fascinating story full of romantic and also tragic events. As in many other passages of history, the full implications are not yet clear. As all the dyes are aromatic compounds, and so benzene derivatives, the story really began with the discovery ...
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    Nature 199 (1963), S. 961-961 
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    Notes: [Auszug] IN addition to the main earthquake observatory at Wellington, the New Zealand Department of Scientific and Industrial Research operates stations at some sixteen other places, together with seismographs at Hallett Station and Scott Base in Antarctica. Records of observations are given in the reports ...
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    Nature 199 (1963), S. 962-962 
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    Notes: [Auszug] IN 1960, the Art Gallery of the Western Australian Museum, Perth, was separated from the Museum premises and a programme of building alterations was immediately commenced (Annual Reports, 196061 (pp. 40), and 196162 (pp. 43). Perth: Western Australian Museum, 1962). As a result, the staff has at ...
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    Nature 199 (1963), S. 964-964 
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    Notes: [Auszug] THE report of the Working Party of the Federation of British Industries on Management Education and Training Needs of Industry * does not seek to suggest the precise methods by which those existing needs should be met. It seeks rather to clarify the issues, removing the confusion of aims at ...
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    Nature 199 (1963), S. 1199-1200 
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    Notes: [Auszug] WAG (Wistar) rats were thymectomized, or sham thymectomized, at 23 days of age by our usual technique3. At 812 weeks of age they were bled by cardiac puncture and the sera analysed immunoelectrophoretically. Total and differential white cell counts were done on tail blood. For the preparation of ...
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    Nature 199 (1963), S. 1203-1204 
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    Notes: [Auszug] The experimental animals were male guinea pigs, weighing 200250 g. All experiments were performed on groups, each group comprising 6 animals. A dose of TSH (Ambinon5, Organon) was given intraperitoneally once a day for 16 days. The animals were killed 24 h after the last injection. Different daily ...
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    Nature 199 (1963), S. 1034-1040 
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    Notes: [Auszug] THE term 'crossing-over' was introduced into genetical literature by Morgan in 1912 to describe the phenomenon he had discovered whereby new combinations of linked characters arose. Several theories to explain the process have been put forward in the intervening half-century. Ideas suffered a ...
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    Nature 199 (1963), S. 994-994 
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    Notes: [Auszug] Let us suppose that a number (n) of closely spaced fiducial marks are made in the laboratory system all around the periphery of a rotating disk; these are numbered consecutively from 1 to n in the direction of disk rotation. At the location of each mark is a clock. These clocks are synchronized by ...
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    Nature 199 (1963), S. 1213-1214 
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    Notes: [Auszug] Four samples of soil humic acids (extracted by sodium hydroxide by the technique suggested by Lynch11) obtained from widely different pedological, vegetational and climatic type soils, namely, a half-bog soil from southern Delaware (Pocomoke), a prairie soil from Illinois (Sable), a red yellow ...
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    Nature 199 (1963), S. 998-999 
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    Notes: [Auszug] Shafizadeh4 has stressed how the inductive effect of a hydroxyl group at C-2 (X) may be used to explain the difference in the rates of acid hydrolysis of the methyl glycopyranosides of D-glucose and of 2-deoxy-D-glucose. He has further pointed out the similarity in the effect of a -hydroxyl group ...
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    Nature 199 (1963), S. 838-838 
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    Notes: [Auszug] THIS slim but important volume was written to herald the ninth quinquennial Congress of the Association of Universities of the British Commonwealth (held in London in July) and in anticipation of the granting of a Royal Charter to the (renamed) Association of Commonwealth Universities. Though based ...
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    Nature 199 (1963), S. 1043-1043 
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    Notes: [Auszug] IN 1955 the Geological Survey of Canada undertook a major project, appropriately named "Operation Franklin", to map the rocks of the Canadian Arctic Archipelago. Over an area of some 200,000 square miles, field parties were set down from the air at points selected from aerial photographs as the ...
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    Notes: [Auszug] THE considerable scientific work on tropical soils and crops carried out by the Belgians was largely responsible for the fifth International Congress of Soil Science being held in 1954 in the Congo. There have been numerous publications from this field, and this is one of a series on natural ...
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    Notes: [Auszug] THE following awards have been made by the British Institute of Radio Engineers for papers (given in brackets) published in the Institution's Journal during 1962: The Clerk Maxwell Premium, to M. W. Gough ("Propagation Influences in Microwave Link Operation" July issue of the Journal); The ...
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    Notes: [Auszug] THE Corday-Morgan Memorial Fund Executive is to sponsor two tours to Africa during the winter 1963 64. Prof. R. A. Raphael, Regius professor of chemistry in the University of Glasgow, is to visit Commonwealth territories in East Africa, including Uganda, Tanganyika and Kenya, and Prof. G. Kenner, ...
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    Nature 199 (1963), S. 1044-1044 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FULL moon occurs on Oct. 3d 04h 44m U.T. and new moon on Oct. 17d 12h 43m. The following conjunctions with the Moon occur: Oct. 3d 12h, Jupiter 4 N.; Oct. 20d 04h, Mars 4 S.; Oct. 26d 20h, Saturn 2 N.; Oct. 30d 17h, Jupiter 4 N. In addition to these conjunctions with the Moon, Venus is in ...
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    Nature 199 (1963), S. 876-895 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE discharge of cells in the visual cortex of two conscious, dark-adapted cats was recorded1. The depth at which the first unit showing a resting discharge was encountered by the microelectrode was taken as zero, and all recordings were made from units between this point and another lying not more ...
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    Nature 199 (1963), S. 883-884 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his presidential address to Section B (Chemistry), Prof. J. Monteath Robertson reminds us that the past fifteen years have witnessed extraordinary advances in the power of the physical methods that may be used to investigate chemical problems. During that time the method of nuclear magnetic ...
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    Nature 199 (1963), S. 1045-1045 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE debate on educational policy in the House of Lords on July 24, which was opened by the Earl of Longford, brought a spirited defence of Government policy from Lord Newton, but added substantially little to the present debate. The Earl of Longford had pointed out that the cost of education had ...
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    Nature 199 (1963), S. 1080-1081 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Preliminary analysis of 22.2-Mc/s observations made at Bethany Observing Station of the Yale Observatory in 1962 and 1963 indicates that the rotation period of the radio sources has lengthened by approximately 0.8s. This may be demonstrated in two ways. Fig. 1 depicts the number of occurrences of ...
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    Nature 199 (1963), S. 1080-1080 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There appears to be a remarkably close agreement between the rate of increase of the Earth's radius and that of the universe according to Hubble's law. Using the at present accepted value for Hubble's constant, H= 100 km/s/megaparsec2, which is 1.65 10 4 mm per year per mile, and substituting the ...
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    Nature 199 (1963), S. 1081-1082 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Attempts to measure the gallium content by X-ray fluorescence methods failed because of the anomalous results obtained between single crystals and powders of the same composition. A non-destructive radioanalytical scheme based on neutron activation and -ray pulse-height analysis was developed in ...
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    Nature 199 (1963), S. 1083-1085 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Top left, no laser action: peak current, 11.5 amp; top right, laser threshold; peak current, 12.5 amp; bottom left, laser action in overdrive condition; peak current, 19 amp; bottom right, laser action in overdrive condition; peak current, 〉30 amp. In all photographs the upper trace ...
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    Nature 199 (1963), S. 1104-1105 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have made use of a modification of Trowell's2 technique, in which we placed small fragments of tissue on a rayon strip laid on a stainless steel grid, the underside of which was in contact with the medium, usually Eagle's HeLa+10 per cent calf serum. The cultures were maintained in an atmosphere ...
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    Nature 199 (1963), S. 1082-1083 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This communication gives some preliminary results of conduction current measurements in transformer oil obtained using direct voltages, with both electrodes bare (A), both electrodes coated (B), cathode uncoated and anode coated (C), and cathode coated and anode uncoated (D). Further tests were ...
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    Nature 199 (1963), S. 1086-1087 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our measurements were made at 140 K, the crystal being cooled by a stream of dry, cold nitrogen gas provided by apparatus similar to that previously described8. The compound crystallizes as orthohombic tablets, space-group P 21 21 2 with four molecules in the unit cell. We have interchanged the a ...
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    Nature 199 (1963), S. 1002-1003 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] From a physiological point of view, the existence of iodotyrosines in blood is difficult to understand because of the following facts: (1) the existence of an active iodo-tyrosine-dehalogenase in the thyroid gland6; (2) the very short half-life of injected radio-DIT (1.5 h) (ref. 7) correlated with ...
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    Nature 199 (1963), S. 1009-1010 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Extent of root hair zone. In dicotyledons the root hair zone, as described, occurs on the tap and lateral roots of the main root system which undergo secondary thickening. In addition, however, the absorptive region is supplemented by a wealth of slender filamentous roots which arise from tap roots ...
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    Nature 199 (1963), S. 1013-1014 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Ten male guinea pigs, each weighing 200250 g, were used. The skin of their dorso-lumbar region was shaved by an electric clipper. Twenty square pieces of rubber, each 3.5 3.5 0.5 cm in size, were taken and square holes of 2.5 2.5 cm were made into them. These rubber frames were used as splints. ...
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