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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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  • 101
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    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1018-1018 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In an effort to achieve faster learning, the following apparatus was constructed using 3-dimensional shapes as discrimination stimuli. In this situation a rat not only sees an object but also touches and moves it. The procedure is sufficiently close to that of Harlow's work with primates to allow a ...
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  • 102
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    Nature 199 (1963), S. 1019-1019 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Monday, September 9Friday, September 13 INSTITUTE OF PHYSICS and the PHYSICAL SOCIETY (at Imperial College of Science and Technology, London, S.W.7)Conference on "The Liquid State". Tuesday, September 10 SOCIETY FOR ANALYTICAL CHEMISTRY, ATOMIC ABSORPTION SPECTROSCOPY DISCUSSION PANEL of the ...
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  • 103
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    Nature 199 (1963), S. 938-939 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE question whether the publication of the collected works of a mathematician is justified is one on which there can be more than one opinion. It can be argued that the labour involved in editing the papers and the cost of the collected edition are scarcely justified in these days when almost ...
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  • 104
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    Nature 199 (1963), S. 943-944 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN this book Dr. Barnett restricts himself almost entirely to the behaviour of his favourite experimental animal, the rat. It is very useful to have such a study since the rat is by far the commonest item of the fauna of the modern biological laboratoryparticularly that of the physiologist and ...
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  • 105
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    Nature 199 (1963), S. 1110-1111 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this communication results of the fungistatic effect and possible mode of action of streptomycin against two representative Oomycete species are presented. The in vitro fungistatic effect of streptomycin on Phytophthora infestans was studied with the agar plate dilution method in the ...
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  • 106
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    Nature 199 (1963), S. 1109-1110 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To answer this question, experiments were performed on frogs (Rana temporaria), which, like some other lower vertebrates, are distinguished by high resistance to ionizing radiations. Fig. 1. Eye of a frog irradiated with 15,000 r. 1.-5 h after pricking the lens a partial drawing of the lens ...
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  • 107
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    Nature 199 (1963), S. 1113-1114 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The reported origin of this cell is varied3, with reticulo-cytes, osteoblasts, and osteocytes receiving complete or partial support from Bloom et al.5 and Tonna5, whereas a haematogenic origin from mononuclear leucocytes is recommended by Fishman and Hay1 and others. The phagocytic activity of ...
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  • 108
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    Nature 199 (1963), S. 1115-1116 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the course of an investigation of the frequency of nucleolar fusion during the development of Xenopus laevis4, the following evidence was found of polyploid nuclei in the notochord. The notochord cells do not divide while differentiating at neurula stages to form a vacuolated syncytium. Mitosis ...
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  • 109
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    Nature 199 (1963), S. 1120-1120 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Monday, September 16 Tuesday, September 17 INSTITUTE OF PHYSICS AND PHYSICAL SOCIETY, MATERIALS AND TESTING GROUP (at the University of Bristol) Conference on "Some Aspects of Surface Behaviour". Wednesday, September 18 Friday, September 20 SOCIETY OF CHEMICAL INDUSTRY, FOOD GROUP (at the School ...
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  • 110
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    Nature 199 (1963), S. 1000-1001 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Acetylcholine (ACh) is hydrolysed very quickly and butyrylcholine (BuCh) very slowly by AChE while PsChE hydrolyses BuCh very rapidly, at about 23 times the rate of ACh5. Burgen and Macintosh6 suggested that the natural substrate for PsChE might be something other than ACh. This substrate may be ...
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  • 111
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    Nature 199 (1963), S. 1004-1005 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A total of 23 experiments were performed in 2 adult cats weighing 2.8 and 3.4 kg respectively at the beginning of the work. In these two animals bilateral ventromedial hypothalamic lesions were electrolytically produced. Following these lesions both cats became hyperphagic, increasing their weights ...
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  • 112
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    Nature 199 (1963), S. 1008-1009 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the experiments to be reported use was made of 40 white rats of laboratory breeding divided into 4 groups of 10 animals. The rats were given water and a standard diet ad lib. All rats received concurrently 25 mc. rubidium-86/kg live body-weight, intraperitoneally, in 1 ml. of physiological ...
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  • 113
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    Nature 199 (1963), S. 975-977 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is well known1 that the environmental conditions under which crystal growth occurs can have a marked influence on the external visible shape of certain crystals. This effect is manifested in two ways. In single crystals the crystal habit may vary either because the growth develops on different ...
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  • 114
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    Nature 199 (1963), S. 988-990 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Much of the early theoretical work dealt with luminosities and effective-temperatures in a range where the uncertainties in these scales have been generally felt to be less severe than uncertainties stemming from the assumptions inherent in the stellar models. The sources of uncertainty in the B.C. ...
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  • 115
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    Nature 199 (1963), S. 994-995 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Methods of dust suppression which had been examined included water infusion into both pillar and solid coal, water sprays and wetting agents. These methods had proved to be unsatisfactory, and in addition it was considered that their practice would interfere with subsequent beneficiation. It was ...
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  • 116
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    Nature 199 (1963), S. 1020-1020 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland Government of Northern Ireland : Ministry of Agriculture. Leaflet No. 20 : Rearing Chickens for Egg Production. Pp. 16. (Belfast: Ministry of Agriculture, 1963). [127 Department of Scientific and Industrial Research. ...
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  • 117
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    Nature 199 (1963), S. 940-941 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first five volumes listed here are reports from the Union Radio Scientific Internationale (URSI), one of the Unions of the International Council of Scientific Unions. Three are reports of the meetings of separate Commissions at the thirteenth General Assembly held in London in I960, one is a ...
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  • 118
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    Nature 199 (1963), S. 943-943 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE author of this book is a professor in the Humboldt University of Berlin and is also the director of the Institute of Physiological Chemistry of the Faculty of Medicine. The publication, which is from East Germany, is well printed on good paper and is written in German. The contents of the ...
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  • 119
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    Nature 199 (1963), S. 945-946 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS publication includes the four plenary lectures, the 123 original papers, and the six contributions on the teaching of microchemistry which were presented at the international symposium on "Microchemical Techniques" sponsored by the International Union of Pure and Applied Chemistry at the ...
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  • 120
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    Nature 199 (1963), S. 946-946 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is a measure of the rate at which semiconductor problems are being worked out that this conference attracted over 130 papers suitable for publication. The conference, which is the third in the series, the previous ones having been held at Rochester in 1958 and Prague in 1960, has undoubtedly ...
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  • 121
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    Nature 199 (1963), S. 852-853 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. R. D. HTJNTOON, at present deputy director, has been made responsible for managing the Standard Reference Data Program as deputy director for basic standards and services. Dr. Huntoon will continue to manage the Bureau's programmes associated with the development of basic measurement standards ...
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  • 122
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    Nature 199 (1963), S. 854-854 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Department of Scientific and Industrial Research has granted £38,000 to Prof. W. Frazer and Dr. D. I. H. Barr, of the Civil Engineering Department of the Royal College of Science and Technology, Glasgow, in aid of integrated field and laboratory studies in density difference phenomena. ...
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  • 123
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    Nature 199 (1963), S. 855-855 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] T. HATHERTON and F. F. Evison have written on this question in the New Zealand Journal of Geology and Geophysics, 5, No. 5, 864; December 5962. Frequent small earthquakes recorded at Scott Base constitute the main seismic activity so far discovered within Antarctica. Prominent in many Scott Base ...
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  • 124
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    Nature 199 (1963), S. 855-855 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIB, HANS A. KREBS, Whitley professor of biochemistry in the University of Oxford and 1953 Nobel Prizewinner for Physiology and Medicine, has been appointed official visitor to the British Baking Industries Research Association for the next five years. Dr. T. F. Macrae, who has been an official ...
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  • 125
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    Nature 199 (1963), S. 857-857 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE quantitative methods which can be applied to the study of opaque minerals (natural and synthetic) under the polarizing microscope are the measurement of reflectivity, of rotation properties, and of micro-indentation hardness. Recent advances in these methods have brought them to the point where ...
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  • 126
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    Nature 199 (1963), S. 862-862 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] WITHOUT making detailed comments on Prof. Bullough's communication, or on the very general scheme he proposes, we would like to rectify some of his statements presented in reference to our own communications. (1) Prof. Bullough's statement in the initial paragraph is incorrect in minimizing the ...
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  • 127
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    Nature 199 (1963), S. 870-873 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THODAY1 has described techniques which can be used to locate some of the individual genes responsible for a heritable difference affecting a quantitative character. He pointed out that the location of such genes is a prerequisite to understanding their nature and their individual effects. This ...
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  • 128
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    Nature 199 (1963), S. 875-876 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SEEDLINGS of Acer pseudoplatanus show marked photo-periodic responses in relation to dormancy1. Under short days the seedlings rapidly cease extension-growth and form resting-buds, whereas under long days extension-growth is more prolonged. The possibility that the dormancy of buds and other ...
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  • 129
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    Nature 199 (1963), S. 886-886 
    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 G (Engineering), Dr. S. G. Hooker describes the "Future of the Aeroplane in the Civil and Military Fields". The cost of developing aircraft and engines is now so high that Government financial support is essential. In the military field the industry is ...
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  • 130
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    Nature 199 (1963), S. 888-888 
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    Notes: [Auszug] BOTANY is a vast subject, growing unwieldy. It stretches from the physical and chemical workings of plant-protoplasm through the grosser structure of cells and tissues to the vegetation which they make. It is concerned with the most important and one of the most abstruse problems of life, namely, ...
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  • 131
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    Nature 199 (1963), S. 888-889 
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    Notes: [Auszug] THE aim of Prof. H. M. Steven's presidential address to Section K * (Forestry) is to consider what benefits woodlands can bestow, both in general and with special reference to the Highlands of Scotland and similar upland areas in Britain. The natural climax vegetation on the Earth is some kind ...
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  • 132
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    Nature 199 (1963), S. 897-897 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] It follows that different tubes of force are distinguishable by different K values. Smith3 and others used the empirical relation: (where a 106 c/s) to describe the whistler medium of the Earth, where fc is the plasma frequency and fH the gyro-frequency of electrons. This is equivalent to ...
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  • 133
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    Nature 199 (1963), S. 897-898 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] The interest shown in the semiconducting properties of gallium antimonide* makes it desirable to grow stoichio-metric single crystals. Crystals so far produced have, however, contained large numbers of electrically active impurities4. Since most workers grow their crystals with conditions such ...
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  • 134
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    Nature 199 (1963), S. 899-900 
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    Notes: [Auszug] Recently, Weyl (personal communication) suggested that the interaction of the overlying gas with the surface may tend either to facilitate or impair evaporation of the liquid, depending on the nature of the liquid or gas, respectively. Consequently, the nature of the overlying gas should influence ...
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  • 135
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    Nature 199 (1963), S. 902-902 
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    Notes: [Auszug] Use of reflectance and transmission microscopy indicates that the phenomenon is basically an internal one and involves a particulate structure, the size of the particles being of the order of a few microns. X-ray diffraction reveals no sharp distinction between samples which have undergone this ...
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  • 136
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    Nature 199 (1963), S. 904-905 
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    Notes: [Auszug] A variety of sharks were caught in the Gulf of Mexico. These included: lemon (Negaprion brevirostris (Poey)), nurse (Ginglymostoma cirratum (Bonnaterre)), (great) hammerhead (Sphyrna mokarran (Ruppell)), (lewin) hammerhead (Sphyrna lewini), black nose (Carcharhinus acronatus (Poey)), bull ...
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    Nature 199 (1963), S. 909-910 
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    Notes: [Auszug] About 200 freshly isolated marine micro-organisms (we thank T. Demny for providing these isolates and for classifying them into bacterial, actinomycete and fungal groupsthey were all isolated from marine environments) were first screened for the ability to grow in the presence of 50 μg/ml, of ...
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  • 138
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    Nature 199 (1963), S. 511-512 
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    Notes: [Auszug] During subsequent investigations, it was found that young BALB/c mice voluntarily ingested a considerable amount of 10 per cent ethanol solution. The discrepancy between this observation and the earlier ones might be due to developmental changes in preference for alcohol; the BALB/c mice examined ...
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  • 139
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    Nature 199 (1963), S. 795-795 
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    Notes: [Auszug] The foregoing appearance is not found in the similar transition BS XS of Se2. In the progression v" = 0, absorption bands are observed up to v' = 22, and are followed by a short-range continuous spectrum. The difference with S2 is that in the small dispersion spectrum there is no apparent ...
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  • 140
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    Nature 199 (1963), S. 514-514 
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    Notes: [Auszug] These Indians have already been subjected to a series of investigations which aim at understanding the evolutionary forces which shaped their present genetic constitution2,3. Details about the location of these groups and their demographic structure were described in a previous paper2. Table 1. ...
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  • 141
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    Nature 199 (1963), S. 516-516 
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    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland Commonwealth Forestry Institute, University of Oxford. Basic Library List for Forestry. Edited by E. F. Hemmings. Third edition. Pp. vi + 56 (Oxford : Commonwealth Forestry Institute, The University, 1963.) 5s. [116 Lawes ...
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  • 142
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    Nature 199 (1963), S. 311-312 
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    Notes: [Auszug] IF it is becoming necessary for the editorship, let alone the authorship, of a scientific treatise to be shared, it is surely presumptuous for one person to assume the role of critic. It is therefore with hesitation and humility that I attempt to survey the remaining three volumes of Section 1 of ...
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  • 143
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    Nature 199 (1963), S. 313-313 
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    Notes: [Auszug] THE old days when ecology was largely descriptive seem far away. Because of modern advances in techniques and methods of analysis, animal ecology is now in a very interesting stage of development, which makes a general ecological synthesis by no means an easy task at the present time. Field workers ...
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    Notes: [Auszug] DURING the six years that have elapsed since the first edition of this book went to press a great deal of experimental work has been published, and several provocative theories have been proposed by members of the ethological school as well as by representatives of other disciplines interested in ...
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    Notes: [Auszug] THIS excellent publication meets a long-felt need both by forensic scientists and by those who desire their services. It comprises 280 entries from 42 countries and lists such details as the title of each laboratory, its address and telephone number, and the name of its director. No attempt is made ...
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    Notes: [Auszug] POLYRIBOSOMES or polysomes are clusters of ribo-somes which are held together by RNA. They can be seen in the electron microscope as linear arrays of ribosomes which are linked by thin strands, 10-15 Å in diameter1'2. Very low concentrations of ribonuclease convert these ribosomal clusters ...
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    Nature 199 (1963), S. 322-325 
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    Notes: [Auszug] THE International Astronomical Union symposium A No. 20 on "The Galaxy and the Magellanic Clouds" has recently been held in Australia the first of the Union's symposia to be held in the southern hemisphere. It was co-sponsored by the International Astronomical Union and the Union Radio-Scientifique ...
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    Nature 199 (1963), S. 329-329 
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    Notes: [Auszug] AN interim report of the Royal Society Institute of Biology Joint Committee on the Teaching of Biology has recently been issued. The Committee has made itself acquainted with a large amount of work being carried out by numerous bodies at present interesting themselves in the improvement of ...
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    Notes: [Auszug] AFTER graduating with honours in botany from the University of Manchester, H. S. Holden was appointed a lecturer and demonstrator in botany in University College, Nottingham, in 1909. At that time the College occupied buildings in Shakespeare Street. Even in those early days, Harry Holden was a ...
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    Notes: [Auszug] DR. W. BARTLEY, who has been appointed to succeed Prof. Quentin H. Gibson in the chair of biochemistry at the University of Sheffield (see Nature, 198, 939; 1963), returns to the University where he graduated in 1950 with first-class honours in physiology. In the same year he joined the Cell ...
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    Notes: [Auszug] AWARDS under the Royal Society and Numeld Foundation Commonwealth Bursaries Scheme have been made as follows: Dr. M. A.dhikari, lecturer in applied chemistry, University of Calcutta, to enable him to work on physico-chemical properties of clays and clay membranes at the Imperial College of Science ...
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    Notes: [Auszug] THE annual report for 1962 of the Arthur D. Little Research Institute records a broadening of activities in physics, including initiation of a basic study of the interface between metals and molten glass, and re-orientation of the work of the High Polymer Group, whose work has been primarily ...
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    Notes: [Auszug] IN their annual report for 1962, the Board of Trustees of the Transvaal Museum, Pretoria, still trust that the recommendations of the two commissions of inquiry will be implemented (Pp. 38. Pretoria: Transvaal Museum, 1963). They deplore the present unsatisfactory circumstances both with regard to ...
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    Notes: [Auszug] No. 9 in the bibliographical series published by the International Atomic Energy Agency, Vienna, is divided into two main sections dealing respectively with radio-isotopes and ionizing radiations, and their uses in entomology; and there is a short section concerned with nematodes in agriculture ...
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    Notes: [Auszug] A REPORT by Prof. K. K. Martin on the establishment of the Department of Geology at the University of the Panjab, West Pakistan, 1952-62, under the expanded programme of technical assistance, which has recently been published by the United Nations Educational, Scientific and Technical Organization, ...
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    Notes: [Auszug] In Table 1 of the communication entitled "Progestational Activity of 4-Hydroxy-17-Alpha-Acetoxy-progesterone" by Prof. G. Sala et aL, which appears on p. 262 of the January 19 issue of Nature, steroid No. 6 should be ...
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    Notes: [Auszug] THE following statement of policy concerning Priorities of Human Responsibility was issued after the fourth meeting of the International Trustees of the World Wildlife Fund which was held in Switzerland recently: The World Wildlife Fund believes that man has responsibilities of trusteeship for the ...
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    Nature 199 (1963), S. 339-341 
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    Notes: [Auszug] I HAVE reported1 the reduction of ZrO2 and HfO2 using 'active' hydrogen produced in a discharge at 2,450 Mc/s, and gave an approximate value for the specific resistivity of the reduced ZrO2. Since that time further experimental work has been done, and it now appears that these golden oxides, which ...
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    Nature 199 (1963), S. 371-371 
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    Notes: [Auszug] From the products of the same reaction, in formdi-methylamide solution2, I have now isolated no fewer than three compounds of the formula S6(NH)2, which I believe to be the isomers (I), (II) and (III). For their preparation, 15 g of the crude reaction product (consisting mainly of sulphur and ...
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    Notes: [Auszug] Bis(salicylaldehydato)copper(II) had unit cell dimensions: a =8.77, 6 = 6.21, c= 12.33 A, =117.4. The structure was solved by three-dimensional Fourier and Patterson methods and refined by the diagonal least -squares technique. There are two centro-symmetric (C7H5O2)2Cu groups in the unit cell, the ...
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    Nature 199 (1963), S. 811-812 
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    Notes: [Auszug] Preliminary investigations have revealed that the degradation of RNA by boron trichloride (in which the RNA is insoluble) shows a measure of specificity and yields purines together with some pyrimidine oligonucleotides2. The mechanism of this reaction is thought to involve the production of ...
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    Nature 199 (1963), S. 366-367 
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    Notes: [Auszug] Booker and Chamberlain2 found it unlikely that a caesium-137 deposition of 7 mc./km2 at Bergen, 800 km from Windscale, was due to the accident, considering that the 20 mc./km2 isopleth lay at an average distance of about 30 km from Windscale. We wish to re-affirm our suggestion by presenting more ...
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    Nature 199 (1963), S. 368-368 
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    Notes: [Auszug] Choice of a suitable tracer is limited by certain physical requirements. Ideally the spectral shapes of the tracer and the pure β -emitter should be identical. The β -end-point energies of the two nuclides should be close to one another. The decay scheme of the tracer should be simple, if possible ...
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    Nature 199 (1963), S. 369-370 
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    Notes: [Auszug] In a recent paper1, a model for this decomposition was used which (it seems to me) is inadequate in certain important respects, and the purpose of this communication is to present an alternative interpretation of the reaction processes which is qualitatively consistent with the experimental results ...
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    Notes: [Auszug] Paper-chromatography of water-soluble dyes is quite well known3. A large number of solvent systems have been devised for their separation. Generally these contain large amounts of water. In our experience thin layers of silica gel often flake off the glass supporting plate with solvent systems ...
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    Nature 199 (1963), S. 374-375 
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    Notes: [Auszug] Reaction of stannic chloride with a reagent which combines alkylating as well as reducing action on tin IV halides does not appear to have been investigated. Dialkyl aluminium hydrides fulfil this requirement and the interaction of di-isobutyl aluminium hydride with stannic chloride has been ...
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    Nature 199 (1963), S. 377-378 
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    Notes: [Auszug] It is the purpose of this communication to suggest a hypothesis to account for the present experimental results. The hypothesis provides: (1) a pathway for the interaction of the succinic dehydrogenase system and NAD; (2) a reaction scheme with structures for the formation of the new ...
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    Nature 199 (1963), S. 820-821 
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    Notes: [Auszug] In man the somata of the thalamic microneurones are, in a majority of the sub-nuclei, larger and less rounded than those of the astroglia, and hence can be confidently counted here, especially in paraffin-embedded cresyl-violet-stained sections. Their incidence ranges from about 1 microneurone to 3 ...
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    Nature 199 (1963), S. 819-820 
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    Notes: [Auszug] Pools of rabbit, guinea pig and human serum were adsorbed with preformed, washed egg albuminrabbit anti-egg albumin precipitates prepared at equivalence. The adsorption of each serum was carried out at 4 C in the presence of 0.01 M EDTA using 1.0 mg of precipitate nitrogen per 1 ml. of serum. ...
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    Notes: [Auszug] With the foregoing in vitro data as a guide, we tried to devise a method for the differentiation of phospholipids in tissue sections. Only partial success was achieved. In sections of brain tissue some differential staining of the phospholipids present was accomplished when solutions of the dye in ...
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    Nature 199 (1963), S. 393-394 
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    Notes: [Auszug] In order to avoid these difficulties, investigations were carried out on the nucleus facialis after unilateral transection of the nerve. 30 adult guinea pigs were used. The n. facialis was cut at its exit from the skull at the foramen stylomastoideum. Animals were killed after 1, 3, 5, 6, 7, 8, 9, ...
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    Nature 199 (1963), S. 822-823 
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    Notes: [Auszug] To facilitate maximum penetration, naked barley seeds (var. CN. 292), in which the embryos are situated in the periphery, and thus easily accessible to treatments, were used. An ultra-violet germicidal lamp, with a maximum output (86 per cent) at wave-length 2537 , was used. The seeds were ...
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    Nature 199 (1963), S. 390-391 
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    Notes: [Auszug] Five hsematologically healthy subjects were examined and their PIT measured3. Inactive iron as iron-dextrin (Ferrigen, kindly supplied by Astra, Sodertalje) was slowly injected intravenously, in 100-mg doses, at the indicated intervals. Radioiron incorporation into the erythrocytes was followed for ...
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    Notes: [Auszug] Determinations of the trace-element content were carried out by means of neutron activation analysis10. The removal of trace elements from nucleic acids was determined between 0 and 24,000 rads of cobalt-60 irradiation. Part of the trace elements was detected in the low molecular cell fraction ...
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    Notes: [Auszug] Chimaeras are plants having genotypically distinct tissues lying adjacent to one another. The periclinal chimsera, which is the most stable, has an entire layer of tissue, one, two or more cells in depth, surrounding a particular organ. The periclinal chimgera of tea (Thea sinensis, L.) described ...
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    Nature 199 (1963), S. 397-398 
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    Notes: [Auszug] The English ivy, Hedera helix Linn., exhibits marked dimorphism in the different growth-phases. The juvenile forms are vines with flattened stems, with dorsiventral leaf arrangement, with palmately lobed leaves and aerial roots. Red pigments are also common in stems and petioles. On the other hand, ...
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    Nature 199 (1963), S. 402-402 
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    Notes: [Auszug] Continual high-power in vitro observations of the living scolex has revealed a previously undescribed phenomenon ?the secretion of small viscid droplets into the medium from the hook region (Fig. 2). This phenomenon was peculiarly difficult to observe due to the activity of the scolex, but once ...
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    Notes: [Auszug] There are few reports in the literature, if any, of the measurement of nucleotide coenzyme-levels in biopsy samples of ovine liver or of the rates of hepatic NADPH2 formation. The purpose of this communication is, therefore, two-fold: (1) to offer data which indicate the similarity in coenzyme ...
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    Notes: [Auszug] A small spindle was placed through the centre of the floor of a 1 m2 forage area of a colony of 3,000 workers of Formica polyctena Forst. A portion of the spindle below the floor was fitted with vanes, allowing the spindle to be rotated by air blown through a rubber tube from a small aspirator ...
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    Nature 199 (1963), S. 403-404 
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    Notes: [Auszug] The ovaries and uteri were examined by laparotomy of those ewes which were found non-pregnant by vasectomized rams, and after slaughter in those judged pregnant. The results are summarized in Table 1. Table 1. REPRODUCTIVE STATUS OF EWES TREATED Level of eestrogen per day 0 8 /ug 16 ^g, Ewes ...
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    Notes: [Auszug] The patient is a female set. 59 with certain multiple congenital abnormalities. Her buccal smears on two separate occasions gave 34 and 46 per cent single Barr bodies. The peripheral blood cultured by the technique of Moorhead et al.1 gave the chromosome pattern presented in Table 1 and Fig. 1. ...
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    Nature 199 (1963), S. 407-408 
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    Notes: [Auszug] The observed proportion of male-steriles (ms ms) in various successive generations of the C.C.XIV and C.C.X V populations of barley are given in Table 1. From the- results on percentage seed-setting on the male-sterile plants their probability of outcrossing (kt) was found to be 0.42 and 0.36 in ...
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    Notes: [Auszug] PBOF. LEO YAFFE (Canada) has been appointed director of the International Atomic Energy Agencys Division of Research and Laboratories. Prof. Yaffe, who took up his post on July 14, was born in 1916 at Devils Lake, North Dakota. He studied at the University of Manitoba, gaining his B.Sc. in 1940 and ...
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    Notes: [Auszug] For these reasons we have tested a group of healthy young persons in order to discover normal hereditary characters. Some of the tests used are rarely performed in the blood transfusion services. The blood groups of ABO, MN, Rh(D) systems, saliva secretion status, PTC threshold, and serum ...
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    Notes: [Auszug] The more slowly migrating transferrins (D type) are rare in the white populations studied so far, but common in some other races. The phenotype CDl is found in about 10 per cent of the New York Negroes and Australian Aborigines4. In a Chinese population about 6 per cent of individuals were of the ...
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    Nature 199 (1963), S. 833-833 
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    Notes: [Auszug] Wednesday, August 28 Wednesday, September 4 BRITISH ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE (at Aberdeen) 125th Annual Meeting. Wednesday, August 28 At 7.30 p.m. Sir Eric Ashby, F.R.S.: "Investment in Man" (Presidential Address). Thursday, August 29 At 10 a.m. Prof. J. Monteath Robertson, ...
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    Nature 199 (1963), S. 230-231 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR BEBNABD LOVELL is visiting Leningrad at the invitation of the Soviet Academy of Sciences. On July 9 he met Vasily Isayev, the Mayor of the City, and other officials, and discussed with them scientific contacts between the Pulkovo Observatory and Jodrell Bank, which, he said, were very useful. ...
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    Nature 199 (1963), S. 231-231 
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    Notes: [Auszug] THE Minister for Science, Lord Hailsham, said in the House of Lords on July 2 that he had now received the final report of the Committee appointed in April 1960, under the chairmanship of Sir Alan Wilson, to consider the problem of noise, and the Government had already given preliminary study to ...
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    Nature 199 (1963), S. 231-231 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNDER the title Abstracts and Indexes in Science and Technology, the Borough of Lewisham Library Service has issued an annotated guide to the abstracts, indexes and periodicals containing abstracts in science and technology provided by that Library Service (Metropolitan Borough of Lewisham Library ...
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    Nature 199 (1963), S. 231-231 
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    Notes: [Auszug] THE first edition of British Ccenozoic Fossils, published by the British Museum (Natural History) in 1959, was an immediate and deserved success. A second edition of this beautifully illustrated guide to the fossils most commonly found in Britain is now available (British Ccenozoic Fossils ...
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    Nature 199 (1963), S. 236-237 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THE report of proceadings of the Conference of the Universities of the United Kingdom *, held in London daring December 14-15, 1962, includes the text of the speeches of Dr. E. G. Edwards and Prof. S. Wiseman in opening the discussion on alternatives to university education, and of Sir Noel Hall ...
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    Nature 199 (1963), S. 629-629 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] COMMON land is probably the most misunderstood part of our national heritage, and therefore a volume giving a clear account of the issue is welcome. The joint authors were members of the Royal Commission on Common Land, and each contributed an appendix to the report. They now present their findings ...
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    Nature 199 (1963), S. 629-630 
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    Notes: [Auszug] IN this volume some of the promise of the rapidly increasing understanding of immunological phenomena for clinical allergy is foreshadowed, although the gap between scientific and clinical aspects is still only too obvious. The rate of progress is shown by Dr. J. M. Andrews's comments on the ...
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    Nature 199 (1963), S. 239-241 
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    Notes: [Auszug] IN view of the successful application of electron-probe microanalysis to the qualitative and quantitative analysis of oxide scales on alloys1,2, it appeared desirable to examine the possibilities of the technique when applied to the examination of corrosion products obtained in aqueous media. In ...
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    Nature 199 (1963), S. 245-247 
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    Notes: [Auszug] MOST of the information on the composition of coal-mining dust in the respirable size range has been obtained by chemical or spectrographic analysis of bulk samples obtained by filtration or settling. These methods cannot be applied to thermal precipitator1 samples because insufficient dust is ...
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    Nature 199 (1963), S. 260-262 
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    Notes: [Auszug] RECENTLY1 we reported a lethal effect of indolyl-3-acetic acid ethyl ester (IAEt) * and a protective effect of the natural plant growth regulator, indolyl-3-acetic acid (IAA), on the free cells of a diluted Ehrlich ascites carcinoma1. In this article, analogous effects for naphthyl-1-acetic acid ...
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    Nature 199 (1963), S. 633-638 
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    Notes: [Auszug] MAMMALIAN hæmoglobin is a protein of molecular weight 64,500. It consists of four polypeptide chains, which are identical in pairs, and of four hm groups. In horse oxyhmoglobin each of the chains has a configuration closely resembling that of sperm whale myoglobin1'2. The four chains form a ...
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    Nature 199 (1963), S. 639-639 
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    Notes: [Auszug] HÆMOGLOBIN H is an abnormal human hmoglobin which consists of four β-chains1'2. Its oxygen equilibrium curve is similar in both shape and position to that of myoglobin, showing that the four hm groups react with oxygen independently of each other and that their oxygen affinity is higher than ...
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    Nature 199 (1963), S. 274-274 
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    Notes: [Auszug] Fig. 1 Tests were made to ensure that the target would remain free of adsorbed oil molecules during the measurement of d. The target was bombarded with electrons and the rate of growth on its surface of polymerized organic matter measured. Under ultra-high vacuum conditions (ultimate pressure 10-9 ...
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    Nature 199 (1963), S. 276-277 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently, questions have arisen concerning the existence of H in systems containing oxygen7'9'10. In particular, Hummel and Allen10, in an investigation of the yields of hydrogen on y-irradiation of aqueous ethanol solutions containing oxygen, concluded that there was a competition between ethanol ...
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