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  • Nature Publishing Group  (33,321)
  • Annual Reviews
  • 1980-1984  (21,818)
  • 1950-1954  (16,846)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 566-566 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Finding the polarization of observed band systems to check the calculations is more difficult than finding the wave-length and intensity, and has not often been attempted in aromatic hydrocarbons except in the weakest band systems, for which quite thick crystals give measurable optical ...
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  • 2
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    Nature 171 (1953), S. 568-568 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Here m'n a DL, 6i2 67ryf 2f (1) Here m'n is the apparent mass of dispersed substance per cm.3, cr the electrical conductivity, T) the viscosity, D the dielectric constant of the sol, co the angular speed of rotation, and JR2, Itl9 the distances from the axis of the two points between which the ...
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  • 3
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    Nature 171 (1953), S. 405-408 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Volta River aluminium scheme set forth in a White Paper issued in November 1952 is of exceptional interest, quite apart from its possible contribution to the supply to the industry of the United Kingdom of aluminium from within the 'sterling area' at competitive prices. Under the scheme the ...
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  • 4
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    Nature 171 (1953), S. 409-410 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH the principles of wave mechanics IX have been well established for almost a quarter of a century, there is, at present, no unanimity of view regarding the most satisfactory way of presenting the subject to the beginner. A glance at the introductory chapters of the numerous books on wave ...
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  • 5
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    Nature 171 (1953), S. 416-417 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WILLIAM HERBERT HOBBS was born at Worcester, Massachusetts, on July 2, 1864, and died at Ann Arbor, Michigan, early in January 1953. He was educated at the Worcester Polytechnic Institute, where he made a special study of industrial design. Upon graduation in June 1883 he taught for a year at a ...
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  • 6
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    Nature 171 (1953), S. 413-416 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT was shown in 1925 that the multibanded absorption spectrum of cytochrome belongs to three hsemochromogen-like components, denoted as cyto-chromes a, b and c, the oxidation and reduction of which that is, their catalytic activity in respiration can easily be observed in living intact cells1. ...
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  • 7
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    Nature 171 (1953), S. 876-877 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A PORPHYBIN precursor, porphobilinogen, was recently isolated by R. G. Westall in the form of the pure crystalline base1 from the urine of patients suffering from acute porphyria. Chemical evidence by Westall1 and by G. H. Cookson and C. Rimington (accompanying communication) suggests an empirical ...
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  • 8
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    Nature 171 (1953), S. 879-880 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Electron micrographs of J5. coli shadowed with 80 A. of chromium metal. l(a) normal type fixed in 2 per cent osmic acid vapour (x 13,600); 1(6) normal type fixed in 5 per cent formalin (x 11,200). (2) Variant fixed in 2 per cent osmic acid vapour (x 8,800) 880 In the normal type of this ...
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  • 9
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    Nature 171 (1953), S. 880-881 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This work has now been repeated, and in the main confirmed, using a micro-electrophoresis (Antweiler) method for estimating the serum protein fractions. The proteins were measured in the ascending limb in barbitone buffer of pH 8-6, ionic strength 0-12. By this method serum protein-levels of normal ...
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  • 10
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    Nature 171 (1953), S. 883-883 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The implication of the non-congruence principle seems to be that differences of the sort used by taxonomists normally evolve one at a time. If any general statement can be made about taxonomic characters, it is probably that they exhibit more-or-less marked discontinuities but do not segregate like ...
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  • 11
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    Nature 171 (1953), S. 886-886 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For a number of years C. pallidus has been thought to be a pest of cotton grown in the Tokar Delta; Tokar is about a hundred miles south of Port Sudan and about thirty miles inland from the Red Sea coast. The insect occurs all along the coastal cultivations, which stretch from the northern border ...
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  • 12
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    Nature 171 (1953), S. 887-888 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This method is based on the fact that the relative rates of deposition of the oxygen isotopes in the calcium carbonate are a function of temperature. The temperature of deposition is thus determinable from a suitably accurate measurement of the relative abundances of the oxygen isotopes in a shell. ...
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  • 13
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    Nature 171 (1953), S. 890-892 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (a) Differentiability of the 4-velocity field va = dya/ds under the Lorentz law of motion, that is, AapvP = kdva/ds = kva,pv&. (L) (b) The requirement that Aa kva be orthogonal to vat that is, Aava = k. (D) Here s is the proper time (in light-velocity units) along the world-line ya of any ...
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  • 14
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    Nature 171 (1953), S. 893-894 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ASSISTANT EXPERIMENTAL OFFICER (with sound theoretical and practical knowledge of electronic and controlling instruments) IN THE PHYSICS DEPARTMENT The Secretary, National Institute for Research in Dairying, ...
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  • 15
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    Nature 171 (1953), S. 426-426 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN Great Britain the War-Time Food Survey was almost entirely limited to urban working-class households, and, as the National Food Survey, it continued in the same form until the end of 1949. Since then, however, an attempt has been made to obtain a more representative sample, so that all classes ...
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  • 16
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    Nature 171 (1953), S. 431-431 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The finding of the antibody corresponding to the antigen, and gene, Jkb is here reported. It has been found in the serum of Mrs. W. Mrs. W. gave birth to full-term healthy infants in 1937 and 1940 and had miscarriages in 1944 and 1951. There is no history of haemolytic disease of the newborn. She ...
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  • 17
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    Nature 171 (1953), S. 815-816 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT a meeting of the Royal Society on March 12 the subject of "The Function and Location of Enzymes in Cells" was discussed by a number of workers from Great Britain and abroad. Prof. J. Z. Young (Department of Anatomy, University College, London), in opening the discussion, emphasized that the ...
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  • 18
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    Nature 171 (1953), S. 819-819 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir Lawrence Bragg, O.B.E., F.R.S. AFTER the annual meeting of the members of the Royal Institution held on May 1, Lord Brabazon of Tara (president) announced that the managers had appointed Sir Lawrence Bragg to the office of Fullerian professor of chemistry, resident professor and director of ...
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  • 19
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    Nature 171 (1953), S. 821-821 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE formation of the Italian Society of Geophysics and Meteorology in 1952 (see Nature, 170, 144; 1952) has now been followed by the first number of the Society's Bulletin (Bol. Soc. Ital. Geof. Met., 1, No. 1; 1953. From the Society at Via Balbi 5, Genova; 3000 lire or 5 dollars a year). The ...
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  • 20
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    Nature 171 (1953), S. 820-821 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE second of a series of special exhibitions of historic books relative to science and technology was opened at the Science Museum, London, on May 1 and will remain on view to the public, free of charge, until August 30 (weekdays, 10 a.m.-6 p.m.; Sundays, 2.30-6 p.m.). The exhibition deals with ...
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  • 21
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    Nature 171 (1953), S. 821-822 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Association of British Chemical Manufacturers has recently published a small book entitled "Press Guide to British Chemicals and their Manufacturers'* (pp. 76; March 1953) and two thousand copies have been issued in the first instance to the national, provincial and technical press (including ...
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  • 22
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    Nature 171 (1953), S. 827-827 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ENGINEERS and metallurgists have long been faced with the problem of assessing the bearing properties of any particular bearing alloy. One obvious method (and perhaps the best) has been to test the materials under practical working conditions; but, although this may be effective, it is extremely ...
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  • 23
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    Nature 171 (1953), S. 831-833 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN observations at radio wave-lengths, it is impossible to obtain an angular resolution which is comparable with that of even a small telescope. Even a relatively large object like the sun, which has been studied intensively by radio astronomers, is difficult to resolve at radio wave-lengths. It is ...
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  • 24
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    Nature 171 (1953), S. 835-836 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A review of the available experimental methods2 of measuring the tensile strength of a liquid suggests that the static and dynamic tensile strengths of liquids are different. Since the tensile strength of a solid is a static concept, it seems reasonable to consider the static tensile strength of a ...
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  • 25
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    Nature 171 (1953), S. 837-838 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An extensive programme of observations of slow tails has recently been completed at the Cavendish Laboratory. Throughout the programme, the kind co-operation of the Meteorological Office "Sferics" Organization2 has greatly enhanced the value of the work by locating the sources of individual ...
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  • 26
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    Nature 171 (1953), S. 841-841 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The effect was investigated using columns 1 cm. diameter and 2-5 cm. long of 'Amberlite IRA400' (OH form), and it was found that 2 mgm. of glucose, for example, was completely removed from solution by such a column and, with the quantity used, none or at most 10 per cent of the sugar was ...
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  • 27
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    Nature 171 (1953), S. 843-843 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For most of our experimental work, we employed cylindrical lead specimens, about 1 cm. in diameter and mounted with the exposed face vertical. The electrical connexion to the back surface, and also this surface, were coated with a thermal-setting insulating varnish. A graphite or platinum cathode ...
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    Nature 171 (1953), S. 843-844 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A remarkable susceptibility to nucleation was recorded by Anderson and Hill4, who showed that when optically inactive atropine sulphate was crystallized in a laboratory in which the ()-form had been racemized, the first crop was almost invariably ()-rotatory, owing to inoculation from the ...
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  • 29
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    Nature 171 (1953), S. 845-846 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For the experiment eighty Light Sussex female chicks were reared for two weeks on a commercial chick mash and then placed on a purified folic-acid deficient diet similar to that of Lillie and Briggs6, with the addition of vitamin B]2 (Distivif) at a level of 5 (igm./100 gm. The chicks were ...
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    Nature 171 (1953), S. 380-381 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. W. M. MACMILLAJSTS "Warning from the West Indies" was published in 1936: the 'warning' of the book's title, he wrote later, was "originally an appeal, and looked to the future". How far his warnings and those of others have been heeded may be judged by a recently issued Colonial Office ...
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    Nature 171 (1953), S. 763-764 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PRIMARILY, this book is an investigation into the feeding patterns of leaf-mining insects and is the result of years of research by Prof. E. M. Hering on the leaf-mining habit. It is an attempt, based on the nature of the damage inflicted on the plant, which is in itself dependent upon the specific ...
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    Nature 171 (1953), S. 765-765 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THIS is an omnibus volume intended "to acquaint JL students and investigators with the more general methods employed in the study of the proteins, and to give a summary of the current knowledge and advances of the subject matter". Its aim is therefore nothing less than a comprehensive treatment of ...
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    Nature 171 (1953), S. 765-765 
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    Notes: [Auszug] IT is difficult to believe that a small book of a hundred pages on sound can cover adequately the required ground for all stages of the sixth form and up to university scholarship-level, no previous knowledge of the subject being assumed. This, however, is what is claimed for this book which, on ...
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    Nature 171 (1953), S. 771-772 
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    Notes: [Auszug] IN February Dr. George Taylor and I, representing the British Association, were the guests of the Pakistan Association for the Advancement of Science for its Fifth Science Conference at Lahore, and for a study tour of Pakistan. The Conference was opened by the Governor of the Punjab, who spoke of ...
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    Nature 171 (1953), S. 775-775 
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    Notes: [Auszug] IN his Alexander Wood Memorial Lecture for 1953, "Contributions of Science to Peace", delivered at Friends House, London, on February 18 (pp. 28 ; from the Fellowship of Reconciliation, 38 Gordon Square, London, W.C.I ; Is. Qd.), Prof. C. A. Coulson rejects equally the view that science alone can ...
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    Nature 171 (1953), S. 775-775 
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    Notes: [Auszug] THE inaugural conference of the British Agricultural History Society was held at the University of Reading on April 13 and was attended by more than a hundred people representing a very wide variety of interests and professions from all over the British Isles. Sir James Scott Watson addressed the ...
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    Nature 171 (1953), S. 776-776 
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    Notes: [Auszug] AN International Congress on Electroacoustics will be held in the Netherlands during June 16-24 under the auspices of the International Commission on Acoustics of the International Union of Pure and Applied Physics. The Congress will open in the Hague on June 16 and on the following day will move ...
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    Nature 171 (1953), S. 777-777 
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    Notes: [Auszug] SIB ROBEBT ROBINSON, Waynflete professor of chemistry in the University of Oxford, has been awarded the Priestley Medal of the American Chemical Society, the Society's highest award. SIB JOHN LENNABD-JONES has been awarded the Hopkins Prize of'the Cambridge Philosophical Society for his work on ...
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    Nature 171 (1953), S. 779-780 
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    Notes: [Auszug] THE Scottish Branch of the Science Masters' Association held its annual meeting during April 7-10 at the Heriot-Watt College, Edinburgh, under the presidency of Dr. H. G. Nisbet, principal of the College. In his address, on "Some Applications of Physics in the Fuel and Oil Industry", Dr. Nisbet ...
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    Nature 171 (1953), S. 780-781 
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    Notes: [Auszug] THE report of the Rothamsted Experimental Station for 1951 shows that the station has again been the venue of a number of important conferences, that overseas visitors have been even more numerous than in previous years, and that the services of members of the Rothamsted staff continue to be sought ...
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    Nature 171 (1953), S. 784-785 
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    Notes: [Auszug] THE kidney usually receives about 25 per cent of the cardiac output1 and thus probably has far more oxygen available than it can extract under ordinary metabolic conditions. This same high rate of tissue-flow greatly dilutes the carbon dioxide returning to the circulation, in relation to other ...
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    Nature 171 (1953), S. 785-787 
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    Notes: [Auszug] THE electron density distribution p of an infinitely large crystal is usually represented by a Fourier series, where and i and ~ £ f(bh) exp vr h /z-ii -f hzbz + Vr Vr Vr (1) (2) (3) (bjbjta) ai * a3 an-d j, 62 ar the three fundamental-vectors of lattice cells having the ...
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    Nature 171 (1953), S. 792-792 
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    Notes: [Auszug] White8 and Smith9 have shown, by different methods, that the acid hydrolysate from mesquite gum (an exudate from mesquite wood) contains 4-methyl-D-glucuronic acid residues. It has now been demonstrated that the acid hydrolysate from Eucalyptus regnans F. v. M. wood also contains ...
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    Nature 171 (1953), S. 337-338 
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    Notes: [Auszug] THE annual report for 1951 of the executive committee of the National Physical Laboratory, Teddington, was presented to the meeting of the general board held on May 23 last and has since been published*. It consists of a general survey of the activities of the Laboratory and its various ...
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    Nature 171 (1953), S. 341-342 
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    Notes: [Auszug] THE occurrence of a fourth, prepupal, moult in cyclorrhaphous dipterous larvae was first established by Snodgrass1 for Rhagoletis pomonella Walsh. This moult separates the so-called pre-pupa from the true pupa. Fraenkel2 observed a similar moult within the puparia of Calliphora, Lucilia, Phormia ...
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    Nature 171 (1953), S. 345-346 
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    Notes: [Auszug] Our experiments were carried out with the muscles of these lateral red bands from the carp (Cyprinus carpio). The muscles are removed and kept frozen at 20 C. Before extraction, they are cut into slices 40 pi thick with an automatic freezing microtome and extracted twice for 1 hr. in the cold with ...
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    Nature 171 (1953), S. 346-346 
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    Notes: [Auszug] A detailed description of the structure is appearing in the February 1953 issue of the Proceedings of the National Academy of Sciences of the United States of ...
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    Nature 171 (1953), S. 348-349 
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    Notes: [Auszug] The experimental facts are as follows. The y-lactones of D-glucuronic acid and L-gulonic acid, when fed to cress seedlings or injected into rats, were found to be transformed, into L-ascorbic acid. D-Galacturonic acid methyl ester, and L-galactonic acid y-lactone behaved similarly. No other sugar ...
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    Nature 171 (1953), S. 491-492 
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    Notes: [Auszug] THE annual report of the Council for the Promotion of Field Studies for 1951-52 maintains the high standard, in presentation and in interest, which we have already, within ten years, come to expect of fche Council's reports. With the director's report, and those of the wardens and the accounts, are ...
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    Nature 171 (1953), S. 494-494 
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    Notes: [Auszug] SHORTLY after the end of the Second World War the United Nations Economic Commission for Europe began a survey of European man-power. Yet the present cannot be understood without a knowledge of the past, and it quickly became clear that the demographic upheaval caused by the War was largely ...
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    Nature 171 (1953), S. 496-496 
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    Notes: [Auszug] THIS is the third compilation issued by Prof. O. K. \Buros, the last being published in 1941. It assembles in one large well-printed volume the reviews of books on statistical methodology published in English during the decade 1941-50 and contains 842 review excerpts from 112 journals covering 342 ...
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    Nature 171 (1953), S. 500-502 
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    Notes: [Auszug] THE significance of the natural remanent magnetism of igneous and sedimentary rocks has not yet been determined. On one hand, there is the hypothesis that the direction of magnetization can be interpreted in terms of a widely varying magnetic field and, on the other, that the adverse polarizations ...
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    Nature 171 (1953), S. 497-500 
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    Notes: [Auszug] THE Benguela Current is one of the major features of the circulation of the South Atlantic Ocean. Extending northwards along the African coast from the neighbourhood of Cape Town to about lat. 15 S., the current is a region of up welling of relatively cold water rich in nutrient. The resultant ...
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    Nature 171 (1953), S. 503-503 
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    Notes: [Auszug] DR. J. A. V. BTJTLER, who has just been appointed to the recently established chair of physical chemistry in the University of London tenable at the Chester Beatty Research Institute (Institute of Cancer Research, Royal Cancer Hospital), graduated in 1921 in the University of Birmingham, of which ...
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    Nature 171 (1953), S. 803-804 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned : ASSISTANT LECTURER IN MATHEMATICS The Registrar, The University, Reading (May 9). COLVILLB FELLOWSHIP TENABLE IN THE DEPARTMENT OF CHEMISTRY The Professor of Chemistry, Royal Technical College, George ...
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    Nature 171 (1953), S. 804-804 
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    Notes: [Auszug] (not included in the monthly Books Supplement Great Britain and Ireland Proceedings of the Royal Irish Academy. Vol. 55, Section A, No. 4 : Solar Eclipses visible in Ireland between A.D. 400 and A.D. 1000. By F. J. O'Connor. Pp. 61-72. Is. Qd. Vol. 55, Section A, No. 5 : A New Quaternion Approach ...
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    Nature 171 (1953), S. 714-715 
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    Notes: [Auszug] THE wild life of Britain has been subjected to constant changes from the earliest times through the influence of man, who has introduced new plants and animals, driven others away, and altered the environment of those that have survived his interference. The dominating factor in the life of any ...
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    Nature 171 (1953), S. 504-504 
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    Notes: [Auszug] In Indian Forest Bulletin, No. 154 (new series), M. A. Rehman, of the Wood Seasoning Branch of the Forest Research Institute, Dehra Dun, discusses "The Seasoning Behaviour of Indian Timbers" (Part 1; pp. 5+1 plate; Delhi: Manager of Publications, 1952; 8 annas or 9d.). In the days before the ...
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    Nature 171 (1953), S. 728-728 
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    Notes: [Auszug] THE growth and development of nuclear research in Yugoslavia, and of the Institut de Recherches sur la structure de la Matiere at Vincha, near Belgrade, is mainly due to the efforts of Prof. P. Savich, the present head of the Chemistry Laboratory. When, late in 1948, the building of the Institute ...
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    Nature 171 (1953), S. 729-729 
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    Notes: [Auszug] THE Nutrition Society is holding a two-day conference in Edinburgh during May 22-23, in honour of the bicentenary of the publication of James Lind's "Treatise of the Scurvy". After an opening ceremony in the University Upper Library, Surgeon Vice-Admiral Sir Sheldon Dudley will give an address on ...
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    Nature 171 (1953), S. 731-732 
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    Notes: [Auszug] DURING the week beginning March 23 the British Non-Ferrous Metals Research Association held open days during which representatives of members and other industrial companies, university staffs and government scientific workers were invited to visit the laboratories at Euston Street, London, N.W.I. A ...
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    Nature 171 (1953), S. 734-735 
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    Notes: [Auszug] HITHERTO, cow's milk has been considered to contain particulate components belonging to three categories, namely : (1) blood cells, leucocytes, bacteria and other readily sedimentable 'foreign' material ; (2) butterfat globules ; and (3) particles of the casein - calcium phosphate complex. However, ...
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    Nature 171 (1953), S. 740-741 
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    Notes: [Auszug] SODIUM thymonucleate fibres give two distinct types of X-ray diagram. The first corresponds to a crystalline form, structure A, obtained at about 75 per cent relative humidity; a study of this is described in detail elsewhere1. At higher humidities a different structure, structure B, showing a ...
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    Nature 171 (1953), S. 744-745 
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    Notes: [Auszug] (1) Carboxylic acid anhydrides are split both by acetylcholine est erase and by liver esterase. This cannot be demonstrated 'directly' by adding the substrate to the buffered enzyme solution, since spontaneous hydrolysis of such anhydrides in dilute aqueous media is very rapid. We have therefore ...
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    Nature 171 (1953), S. 745-745 
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    Notes: [Auszug] The enzyme was prepared from silkworms. 2 gm. of digestive organ-free tissues of fifth instar larvae was ground and centrifuged twice after adding water. The residue was mixed with 3 ml. of 0-01 M pyruvic acid oxime, 3 ml. of 0-01 M acetaldehyde and 3 ml. of 0-01 M acetone and then diluted with ...
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    Nature 171 (1953), S. 750-750 
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    Notes: [Auszug] In this investigation it was found that material positive to Schiff's periodic acid1 was secreted by the non-ciliated epithelial cells during pro-oestrus and oestrus. In pro-oestrus the secretory globules extended on each side of the nucleus towards the proximal part of the cell, whereas in oestrus ...
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    Nature 171 (1953), S. 751-752 
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    Notes: [Auszug] Anatomical investigations have been carried out by us on certain members of the Cruciferse where the main inflorescence definitely terminates the leafy axis. Of the plants examined, Arabidopsis thaliana (L.) Heynh. proved the most instructive because it was possible to fix material grown under ...
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    Nature 171 (1953), S. 752-753 
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    Notes: [Auszug] These conclusions still stand for Cladophora and therefore presumably for the whole group of algse with the Cladophora type of structure. While making a re-examination of Spongomorpha, however, in preparation for a projected publication on this and other differences from Cladophora, it has been ...
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    Nature 171 (1953), S. 755-756 
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    Notes: [Auszug] Regular excretion of honeydew is generally accepted as evidence that,, an aphid is imbibing liquid from a plant2, and previous work has shown that continuously feeding M. persicce usually have the stylets inserted into the phloem3. To learn whether M. persicce is infective after excreting regularly ...
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    Nature 171 (1953), S. 757-758 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned : LECTURER IN THE HISTORY OF MECHANICAL ENGINEERING-The Registrar, King's College, Newcastle^upon-Tyne (April 30). ASSISTANT LECTURER IN BIOCHEMISTRY at the University of Malaya, Singapore-The Secretary, ...
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    Nature 171 (1953), S. 666-667 
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    Notes: [Auszug] FARMERS and gardeners must eradicate weeds, and in order to do so with the maximum of efficiency it is desirable that the weeds should be speedily identified, especially if the use of weedkillers is contemplated. But a weed is only a plant which is growing where it either is not wanted or is doing ...
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    Nature 171 (1953), S. 669-671 
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    Notes: [Auszug] THE proceedings of the symposium on "The Role of the South Atlantic Basin in Biogeography and Evolution", held by the Society for the Study of Evolution in New York during December 28-29, 1949, have now been handsomely published under the title of "The Problem of Land Connections across the South ...
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    Nature 171 (1953), S. 451-451 
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    Notes: [Auszug] THE title of Prof. E. Bright Wilson's book might suggest one of those works which, though they often stimulate discussion, have not been known to influence any actual research. On the contrary, the present book mainly comprises practical advice. After a short chapter more or less about why a ...
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    Nature 171 (1953), S. 676-676 
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    Notes: [Auszug] IN reply to a question in the House of Commons on March 31, Mr. A. H. E. Molson, Parliamentary Secretary to the Ministry of Works, representing the Lord President of the Council, stated that the Manchester Joint Research Council's survey of the technical resources of industrial firms is complete, ...
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    Nature 171 (1953), S. 454-456 
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    Notes: [Auszug] THE storm on Saturday, January 31, 1953, 1 caused widespread and serious damage to woodlands in the region of Scotland north of the River Tay and east of Inverness. This storm, which the day before had caused the sinking of the Princess Victoria, and on the evening of the same day was responsible ...
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    Nature 171 (1953), S. 678-678 
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    Notes: [Auszug] OFFICERS of the Chemical Society have been elected as follows: President, Prof. C. K. Ingold; Vice-Presidents, Prof. F. G. Donnan, Sir lan Heilbron, Sir Cyril Hinshelwood, Dr. W. H. Mills, Sir Eric Rideal, Sir Robert Robinson, Prof. G. R. Clemo, Prof. R. D. Haworth, Prof. D. H. Hey, Prof. E. L. ...
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    Nature 171 (1953), S. 460-461 
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    Notes: [Auszug] THE second edition has been published of "Instruments and Accessories for Radio-Isotope Applications", a useful brochure for the potential users of radioactive isotopes, edited by Dr. Denis Taylor and A. G. Peacock (pp. 20. London: Scientific Instrument Manufacturers' Research Association, 1952; ...
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    Nature 171 (1953), S. 690-691 
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    Notes: [Auszug] A LTHOUGH the oxidation of dilute aqueous 4~\. solutions of ferrous ion by ionizing radiation is a well-established fact, there is still some doubt concerning the reduction of ferric ion1. We have found that at sufficiently low acidities reduction may be effected2, and that a steady state is set up ...
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    Nature 171 (1953), S. 694-695 
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    Notes: [Auszug] Different ways of eliminating these disturbances have been tried lately; for example, Waltner and Rogers1 observed the beta-tracks in a cloud chamber, Langer and his co-workers2 used a windowless Geiger counter. Nevertheless, the results obtained by different authors showed marked discrepancies in ...
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    Nature 171 (1953), S. 696-697 
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    Notes: [Auszug] That the austenite was introduced during preparation of the microspecimen seemed unlikely owing to precautions taken to avoid overheating in grinding and polishing and from the appearance of the micro-structure. This hypothesis was finally disproved by further X-ray pictures showing the presence of ...
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    Nature 171 (1953), S. 705-706 
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    Notes: [Auszug] Kwan and Fujita1 have recently investigated the chemisorption of carbon dioxide on reduced nickel at 200 C. with particular reference to its chemisorbed state, using statistical mechanical consideration, and we conclude that it is completely dissociated into three statistically independent atoms. ...
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    Nature 171 (1953), S. 704-705 
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    Notes: [Auszug] Let us, however, consider first the reactions between an organic substance (JRH) and a halogen (X2) in homogeneous gaseous systems or in non-polar solutions. If the reaction proceeds by atoms and free radicals, the following reactions (substitution s, addition a) must be expected: (1) (2a) X+HR ...
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    Nature 171 (1953), S. 708-708 
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    Notes: [Auszug] (not included in the monthly Books Supplement Great Britain and Ireland Air Ministry: Meteorological Office. Geophysical Memoirs No. 89: Temperature and Humidity Gradients in the First 100 m. over South- East England. By A. C. Best, E. Knighting, R. H. Pedlow and K. Stormonth. (M.O.530d.) Pp. ...
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    Nature 171 (1953), S. 626-627 
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    Notes: [Auszug] DURING the past quarter of a century, remarkable changes have occurred in the general outlook on nearly every aspect of the tuberculosis problem. Twenty-five years ago views on the pathogenesis of pulmonary tuberculosis were dominated by the theories of European pathologists. Ranke's three stages ...
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    Nature 171 (1953), S. 635-635 
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    Notes: [Auszug] SIB WILLIAM FABBEN has been elected president of the Royal Aeronautical Society for the year 1953-54 and will take office at the annual general meeting of the Society to be held on May 7. Sir William was born in Cambridge in 1892 and was educated there at the Perse School and afterwards in the ...
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    Nature 171 (1953), S. 635-636 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Queen has approved the award by the Royal Geographical Society of Royal Medals as follows: Founder's Medal, Mr. P. D. Baird, director of the Montreal office of the Arctic Institute of North America, for explorations in the Canadian Arctic; Patron's Medal, Count Eigil Knuth, leader of the Danish ...
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  • 87
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    Nature 171 (1953), S. 637-637 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual general meeting of the Society for the Bibliography of Natural History was held at the British Museum (Natural History) on March 30. Mr. Walter Necker spoke on "The Unsystematic System-atist, and Other Random Observations on Bibliography in England and America". It was reported that ...
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  • 88
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 486-487 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 (top) shows a growth spiral and a terminated line which can be interpreted as a ledge between the point of emergence of the screw dislocation on the underside of the crystal and the crystal boundary. In addition, by the rapid evaporation of a drop of solution upon a warmed glass plate, ...
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  • 89
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 487-488 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I have therefore suggested that in the caking coals ash particles 'solvate' coal molecules and form a micellar structure, as in the rubber-carbon black system. Although the proposed micellar structure is fundamentally different from that used by D. H. Bangham et l.*, it is believed that the ...
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  • 90
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 489-490 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: PRINCIPAL SCIENTIFIC OFFICER AT THE ATOMIC ENERGY RESEARCH ESTABLISHMENT, Harwell, to take charge of small group engaged in problems of heat transfer, and special problems arising in development of nuclear ...
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  • 91
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 650-651 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The crystals are produced by a somewhat modified Czochralski-Gomperz method, in which the diameter of the single crystal wires is held at about 0-5 cm. If now the crystal wire is suddenly removed from the surface of the melt out of which it is growing, one gets as the termination of the wire a ...
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  • 92
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 651-651 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Over such a wide range considerable disagreement is found between judgments of individual observers, and marked shifts in ranking occur when the conditions of illuminating and viewing the specimens are changed. Judgment appears to be based upon an appraisal of a physical situation taken as a whole. ...
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  • 93
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 654-655 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Collagen in the form of finely divided 'hide powder' was therefore treated with these reagents, and the dicarboxylic amino-acid content estimated by the method of Consden, Gordon and Martin3. Methylated collagen (0-86 m.mole OMe/gm. collagen) was treated with the Grignard reagent, methyl magnesium ...
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  • 94
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    Nature 171 (1953), S. 656-656 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Three samples of D. innoxia Miller (see Timmer-man3), one from the 1950 crop and the others from the 1952 crop, were analysed by the method described previously4'5, and the presence of hyoscine (0-24, 0 -30 and 0-37 per cent) was confirmed. The fraction at first considered to be hyoscyamine (0-035, ...
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  • 95
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 656-657 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] If a host species or variety has high resistance to a particular strain of wilt pathogen, fungal invasion is slight. The xylem of the root is slightly invaded, and if the fungus enters the stem, its growth there is slight and attenuated. Conversely, the xylem of a plant of low resistance becomes ...
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  • 96
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    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 662-662 
    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 Observations made at the Royal Observatory, Greenwich, in the Year 1938, in Astronomy, Magnetism and Meteorology, under the direction of Dr. H. Spencer Jones. Pp. viii+A60+B8+Cix+C163 + XX+D83+45. (London: H.M. Stationery ...
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  • 97
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    Nature 171 (1953), S. 586-586 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book was originally published in 1945 and was a good survey of X-ray crystallography as it was at that time. Since then, many developments have occurred which the author has not dealt with ; however, the methods have not altered much, and the book forms a good introduction for the university ...
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  • 98
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    Nature 171 (1953), S. 587-587 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH this book has been written primarily /JL as an instruction manual for the use of the engineering staff of the British Broadcasting Corporation, it cannot fail to be of interest to all who are engaged in the techniques of sound recording and reproduction. The equipment described is, quite ...
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  • 99
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    Nature 171 (1953), S. 591-592 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INCREASING attention has been paid, over the past few years, to the use of electric currents as aids for catching fish in freshwaters, and it is evident that the use of electrical methods promises to become an important technique both for the fisheries biologist who wants to carry out census work ...
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  • 100
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    Nature 171 (1953), S. 439-440 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A supply of the meal (dried, milled Ascophyllum nodosum) was obtained from the Institute of Seaweed Research, Inveresk Gate, Musselburgh, and a sufficient quantity was distributed to seventeen West of Scotland dairy herds whose owners co-operated in the experimental work. The method adopted in ...
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