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  • Springer  (11,970)
  • Nature Publishing Group  (3,642)
  • American Institute of Physics (AIP)
  • 2020-2023
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  • 1955-1959  (15,612)
  • 1956  (15,612)
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  • 2020-2023
  • 2020-2022
  • 1955-1959  (15,612)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 262-262 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has been suggested that serotonin might act as a histamine-liberator substance, some of the clinical signs resembling a histamine effect4. Various hista-mine liberators are able to induce degranulation and disruption of tissue mast cells5. Since connective-tissue formation is invariably ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 263-264 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A strain of P. expansum known to produce patulin in culture was found to produce an antibiotic in apple tissues. The antibiotic had the same spectrum of antimicrobial activity as patulin, and its behaviour on paper chromatograms, using three different solvent systems, was the same as that of ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 266-267 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has been shown in vitro that epidermal mitotic activity is dependent on an adequate supply of glucose and oxygen so that, in the absence of one or other of these substances, mitosis is severely depressed or even eliminated. Efficient energy -production through respiration is essential to ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 268-268 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The presence of histidine and its amine in substantial concentration was confirmed by tests with the diazo reagent of Pauly as applied to chromato-grams by Dent1. Histidine was further checked by parallel runs with pure substance. The histamine spot corresponds to the position allotted to it in the ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 270-271 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As Prof. B. Salni1 remarked, while describing the cuticle of Glossopteris angustifolia, in dealing with material of this nature any information that took us beyond the gross features would be welcome. Fortunately in India these plant remains are found as impressions, many of which are carbonized ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 489-489 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Samples of anhydrous sodium dithionite showed a weak paramagnetic resonance absorption having a g-value of 2.01 ± 0.01 and width of 12 ± 3 gauss, suggesting that it was due to a free radical. This weak absorption could still be detected after pumping under high vacuum at a temperature ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 489-490 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is in April that these swallows leave southern Africa on their long-distance flight to the northern breeding quarters. Moulting flight- and tail-feathers at this time must be a disadvantage to these birds. The above data show that the moult which these swallows undergo in their wintering quarter ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 490-491 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] By recording with continuously moving film and using single sweeps, the frequency of the spike potentials was determined. Fig. 2 represents a short section of such a film. The time scale is 0.1 sec. The spikes on this film recur with a frequency of 0.4 sec., but under different experimental ...
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  • 9
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    Nature 178 (1956), S. 490-490 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The opinions or assertions in this letter are the private ones of the writers, and are not to be construed as official or reflecting the views of the Navy ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 275-275 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although the molecules in the liquid state do not in general display long-range order, short-range order is known to exist : thus there is a fairly clearly defined distance l between the centres of molecules which are nearest neighbours. The expansion of such a liquid with change of temperature or ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 492-492 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our interest in the mechanism whereby the cell could conceivably be affected by a diminution in the supply of molecular oxygen in the capillaries led to a study of the histamine metabolism of psychiatric patients. Using the Lowry et al.8 column chromatographic microchemical method of estimating ...
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  • 12
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A large number of proteins are present in the 'cell sap' fraction of the rat liver, and they have recently been separated by paper electrophoresis3. We were interested to know which of these fractions showed xanthine dehydrogenase activity. Table 1. PROTEIN AND XANTHINE DEHYDROGENASE ACTIVITY OF ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 494-495 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Through combined electron microscope and X-ray diffraction studies at high and low angles1-4, the following general picture of the submicroscopic organization of bone can be derived. The fibrous matrix of bone, that is, collagen, appears capable of orienting the hydroxyapatite crystallites in a ...
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  • 14
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    Nature 178 (1956), S. 495-496 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As in Carcinides, ammonia output is relatively low 5 6 days before ecdysis and shows a similar incipient rise up to the time of moulting (Fig. 1). After ecdysis it rises sharply and considerably and then declines more gradually to approach the initial minimal value in 10 15 days, that is, about 5 6 ...
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  • 15
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 175-177 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A MOST successful meeting was held in Edinburgh during June 2028 by the International Union for the Conservation of Nature and Natural Resources, hitherto known by the misleadingly restricted title of International Union for the Protection of Nature. There was an excellent attendance both of animal ...
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  • 16
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    Nature 178 (1956), S. 181-181 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. COLIN M. MACLEOD, professor of microbiology and chairman of the Department of Microbiology at New York University College of Medicine since 1941, has been appointed John Herr Musser professor of research medicine and chairman of the Department of Research Medicine of the School of Medicine of ...
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  • 17
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    Nature 178 (1956), S. 181-182 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Federation of British Industries has issued a memorandum welcoming the White Paper on Technical Education but is reserving overall appraisal until the universities have published their plans for technological education for the quinquennium 1957-62, pointing out that account must also be taken ...
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 182-182 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE tropical tunas which inhabit the high seas off the shores of the Americas from California to Peru and northern Chile support the most valuable fishery of the eastern Pacific Ocean. This consists of populations of two species, the yellow-fin tuna, Thunnus (Neothunnus) macropterus, and the ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 183-183 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE following will take office on the Council of the Institution of Electrical Engineers on September 30 next : President, Sir Gordon Radley ; Vice-Presidents, T. E. Goldup, S. E. Goodall, Dr. Willis Jackson, G. S. C. Lucas and Sir Hamish D. MacLaren; Honorary Treasurer, Rt. Hon. Viscount Falmouth ...
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  • 20
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    Nature 178 (1956), S. 183-183 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In a communication entitled "Dependence of Snowfall on Temperature , by L. W. Gold and G. P. Williams, in Nature of June 16, p. 1137, it was erroneously implied that Prof. M. Bossolasco correlated frequency of occurrence of snowfall with mean daily temperature ; in fact, his correlation was between ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 190-191 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BESIDES the lists of recipients of grants for 195556 and the subjects of research, the eighteenth annual report of the National Foundation for Scientific Research, Brussels, covering the year 195455*, includes an inventory of microfilms and a list of publications by recipients of grants during the ...
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  • 22
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    Nature 178 (1956), S. 191-191 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE African wild dog, or hunting dog, Lycaon pictus, is a distinct species and is neither relabed to any domestic breed nor does it appear bo be the forerunner of any known type of domestic dog : there are certain structural differences, such as the absence of dew-claws. According to R. M. Bere, ...
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  • 23
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    Nature 178 (1956), S. 498-499 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present experiment was planned to study the effect of age of seedlings of two varieties of Egyptian cotton, namely, Ashmouny and Giza 30, on their susceptibility to attack by Rhizoctonia solani, the cause of damping-off of cotton in Egypt. The experiment was carried out at three ...
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  • 24
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    Nature 178 (1956), S. 500-501 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Fig. 2 As oxygen is consumed by the soil micro-organisms carbon dioxide is produced which is absorbed by the sodium hydroxide. This lowers the pressure in the respiration bottle so that sulphuric acid rises in the side-arm, makes contact with the anode and gererates oxygen. This diffuses ...
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  • 25
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    Nature 178 (1956), S. 183-183 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Scottish Agricultural Industries, Ltd., postgraduate studentship at the University of Aberdeen has been awarded to R. Bain, who will work on the sorption of polyelectrolytes on mercury and on clay mineral surfaces. THE Alvarenga Prize for 1956 of the College of Physicians of Philadelphia has ...
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  • 26
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    Nature 178 (1956), S. 201-202 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this way areas of a few square microns, for example, a nucleus, can be inactivated. A suitable mask is made of heavy tin foil pricked by a fine glass needle, and mounted on a heat-resisting glass filter. Between the mask and the lamp are several heat filters and a removable intensity filter. ...
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  • 27
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    Nature 178 (1956), S. 204-204 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] From inspection of the potassium and rubidium lines, the K/Rb ratio is not significantly different in the trilobites and enclosing sediments and is about the same as in sediments and igneous rocks. The Rb/Cs ratio was estimated with fair accuracy. This ratio gives a clearer indication of relative C ...
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  • 28
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    Nature 178 (1956), S. 206-207 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Preliminary studies in these laboratories have shown that the additions of up to 1 per cent by volume of nitrogen dioxide to an air stream fed to a column composed of a high-temperature metallurgical coke maintained at 480 2 C. produced a marked increase in the rate of gasification of the sample ...
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  • 29
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    Nature 178 (1956), S. 208-209 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Residues from several alloys having various heat treatments below the solution temperature (1,000 C.) contained G phase, which gave identical inter-planar spacings and intensities. Fig. 1. Etchant: 92 per cent hydrochloric acid, 5 per cent sulphuric acid 3 per cent nitric acid. (x 500) ...
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    Nature 178 (1956), S. 211-211 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In our investigation the osmotic pressures of the press-juice of the faeces and of the intestinal content of the cow have been determined. The faecal juice was obtained by pressing the faeces in a membrane press. The freezing-point depression method was used for measuring the osmotic pressure. ...
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    Nature 178 (1956), S. 212-213 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies of the Cecropia silkworm (Platysamia cecropia L.) have recently revealed a rich depot of the corpus allatum hormone in the abdomen of the adult male of this moth. By the extraction of abdomens with organic solvents it has been possible to prepare the first potent extracts of the juvenile ...
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    Nature 178 (1956), S. 213-214 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The results reported here of some experiments done with the vine-moth Phalaenoides glycine Lew. (Noctuidae) do not seem to fit into Leess theory. This insect over-winters as a diapausing pupa, but may have several non-diapausing generations during summer. At 25 C. in non-diapausing pup the brain ...
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  • 33
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    Nature 178 (1956), S. 390-390 
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    Notes: [Auszug] THE second volume of Chemical Engineering completes the treatment of unit operations of which the more fundamental fluid flow and mass transfer were the main theme of Vol. 1 (Nature, 175, 228 (1955)). Flow of fluids past particles includes filtration, sedimentation, and gas cleaning ; mass transfer ...
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  • 34
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    Nature 178 (1956), S. 209-210 
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    Notes: [Auszug] Rajewsky13 has worked on these problems for some years ; and, at present, we are carrying out in his Institute some investigations with the aim of finding out how X-rays act primarily on protein and amino-acid molecules. The results given in this preliminary communication are concerned only in ...
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    Nature 178 (1956), S. 210-211 
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    Notes: [Auszug] Table 1 Height of second wave in mm. (from cobalt wave) Fasting 48 3 hr. after fatty meal 50 5 min. after 0.5 ml. of heparin in vitro 29 Fasting 58 5 min. after 0.5 ml. of heparin in vitro 44 Heparin added in vitro to blood serum does not show such an effect. The onset of the heparin ...
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    Nature 178 (1956), S. 223-224 
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    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland Report of the Proceedings of the 1955 Conference of the Universities of Great Britain and Northern Ireland. Pp. 112. (London : Association of Universities of the British Commonwealth, 1956.) 3s. 6d. [75 Air Ministry : ...
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    Nature 178 (1956), S. 112-112 
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    Notes: [Auszug] THE Geneva International Conference on the Peaceful Uses of Atomic Energy released a welcome flood of information, and the long process of assimilation is now under way. This first volume of a series on the physics and mathematics of nuclear energy is largely devoted to helping the process by a ...
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    Nature 178 (1956), S. 112-113 
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    Notes: [Auszug] EACH phase of the development of evolutionary theory has been characterized by books and monographs dealing with various aspects of the field. Prof. T. Dobzhansky s main contribution has been a comprehensive study, first published in 1937 and now in its third edition, on Genetics and the Origin of ...
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    Nature 178 (1956), S. 218-219 
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    Notes: [Auszug] In normal healthy apples we have found succinic acid only occasionally and in trace amounts in either the peel or the pulp. This does not necessarily meanthat succinate is not a normal intermediate metabolite in the fruit ; its turnover-rate may be so high as to prevent accumulation. It was ...
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    Nature 178 (1956), S. 219-219 
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    Notes: [Auszug] Amino-acids were separated chromatographically from the tissue extracts by a modification of the method of Moore and Stein2,3, using ion-exchange resins Dowex 50 or Zeo-Karb 225. In this way, arginine and asparagine were identified as the chief nitrogenous reserves; together, they represented 7080 ...
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    Nature 178 (1956), S. 221-222 
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    Notes: [Auszug] The model consists of a stand holding parallel glass tubes which are free to rotate. In the model (Fig. 1) the stand is built of Meccano parts and the three glass tubes are stoppered with rubber bungs into which small axles are inserted ; they are linked together by a system of gears so that they ...
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    Nature 178 (1956), S. 394-395 
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    Notes: [Auszug] THE Third International Congress on Animal Reproduction, attended by more than five hundred representatives of no fewer than fifty different countries, was held in Cambridge during June 25 30. The proceedings were conducted in three sections, devoted to physiology, pathology and artificial ...
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    Nature 178 (1956), S. 126-126 
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    Notes: [Auszug] As Mr. A. W. Jessep, the director and government botanist at the Melbourne Botanic Gardens and National Herbarium, has pointed out, the National Herbarium of Victoria is the oldest and most extensive repository of Australasian herbarium material. It contains approximately one and a half million ...
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    Nature 178 (1956), S. 114-114 
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    Notes: [Auszug] IT is five years since the British Museum (Natural History) issued the Index of Mineral Species and Varieties ., compiled by Dr. M. H. Hey (see Nature, 167, 873; 1951). In the interval, much progress has been made in mineral chemistry, and the new edition of this valuable work of reference has been ...
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    Nature 178 (1956), S. 115-116 
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    Notes: [Auszug] Moscow Conference A CONFERENCE on high-energy nuclear physics was organized by the Academy of Sciences of the U.S.S.R., and the main sessions were held in the Lebedev Institute in Moscow during May 14 22. Although it was not officially described as an international conference, and physicists from ...
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    Nature 178 (1956), S. 123-124 
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    Notes: [Auszug] THE architectural plans for new Imperial College buildings on the rectangular site bounded by Queen s Gate, Imperial Institute Road, Exhibition Road and Prince Consort Road were described and illustrated in Nature of April 21. The plans, prepared by Messrs. Norman and Dawbarn, provided for the very ...
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    Nature 178 (1956), S. 126-127 
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    Notes: [Auszug] INTERNATIONAL conferences can be very stimulating affairs for those who attend, and the discussions, in particular, often open up entirely new lines of thought. Publication of the proceedings can extend the stimulus to a much wider circle of workers, but only if publication follows close on the ...
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    Nature 178 (1956), S. 127-127 
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    Notes: [Auszug] THE fifth in the series of Standard X-ray Diffraction Powder Patterns ., prepared by the National Bureau of Standards, Washington, D.C., has recently been published as Circular No. 539 of the Bureau (pp. 75. Washington, D.C. : Government Printing Office, 1955. 45 cents). In it, forty-five standard ...
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    Nature 178 (1956), S. 159-160 
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    Notes: [Auszug] The purpose of this third communication is to report the reception at the Ohio State University of radio signals of a distinctly different kind which also appear to come from Venus. For convenience, these signals will be referred to as Class II signals, while the previously reported ...
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    Nature 178 (1956), S. 163-163 
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    Nature 178 (1956), S. 57-57 
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    Notes: [Auszug] THE author of The Jurassic System in Great Britain (1933) has capped that notable work with this equally substantial volume. Starting with Great Britain, where the succession of Jurassic formations was first determined, Dr. W. J. Arkell conducts his reader on a world tour, continent by continent, ...
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    Nature 178 (1956), S. 58-58 
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    Notes: [Auszug] TO the student of higher education in Great Britain the past decade has been a period of great significance, for it has seen, among other developments, the creation of four new universities. Despite the great social, economic and political changes which have followed upon two World Wars, these ...
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    Nature 178 (1956), S. 56-56 
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    Notes: [Auszug] THE new subject of radioactivity has influenced many older branches of science ; but no discipline with the obvious exceptions of physics and chemistry was more profoundly changed by it than geology. It may suffice to recall how fundamentally its whole time-scale has been altered ; when, in the ...
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    Nature 178 (1956), S. 58-59 
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    Notes: [Auszug] THESE two volumes now follow Vol. 1, published in 1954, and present an extensive body of information and ideas on a wide range of topics, which can more or less be included under the general title of The Chemistry of Petroleum Hydrocarbons . The title is, in fact, interpreted liberally, and these ...
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    Nature 178 (1956), S. 64-66 
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    Notes: [Auszug] SINCE our communication in August 19551, we have carried our refinement of the structure of vitamin B12 a critical stage further. Four more calculations of the electron density distribution have been made, one for the wet B12 crystals, two for air-dried B12 crystals and one for the hexacarboxylic ...
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    Nature 178 (1956), S. 68-68 
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    Notes: [Auszug] MR. R. H. MACMILLAN has been appointed to the newly created chair of mechanical engineering at the University College of Swansea. Mr. Macmillan, who has been on the staff of the Department of Engineering at Cambridge for the past ten years, was educated at Felsted School and Emmanuel College, ...
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    Nature 178 (1956), S. 70-70 
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    Notes: [Auszug] REPLYING to questions in the House of Commons on June 26, the Minister of Labour and National Service, Mr. Iain Macleod, said that, of the ninety-six districts of the Factory Inspectorate, thirty-six have no inspectors possessing university degrees in engineering or chemistry and physics, and only ...
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    Nature 178 (1956), S. 73-75 
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    Notes: [Auszug] THE first provincial meeting of the British Occupational Hygiene Society was held in the University Hall, Liverpool, during April 19 20. In his presidential address, Dr. C. G. Warner, dust suppression scientist of the South Western Division of the National Coal Board, spoke of the satisfactory ...
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    Nature 178 (1956), S. 77-78 
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    Notes: [Auszug] THE first open day of the National Vegetable Research Station was held on June 5 at Wellesbourne, Warwickshire, when visitors saw the progress made in the development and work of this Station. Field experiments were on view, and there were exhibits of various aspects of the research in progress. ...
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    Nature 178 (1956), S. 80-81 
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    Notes: [Auszug] MUCH interest has been focused on a possible relationship between the central nervous system and the activity of the thyroid gland by the numerous accounts relating psychological trauma with the onset of hyperthyroidism in the human. In recent reports1 2 the type of individual and the kind of ...
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    Nature 178 (1956), S. 86-87 
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    Notes: [Auszug] In 1950 an increase of the order of 3 5 times in the density of Calanus took place on the plankton stations of the Flamborough Line, and in the same year a sharp increase in the average length of three -year-old herring was observed in a number of North Sea fisheries from the Dogger Bank southward. ...
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    Nature 178 (1956), S. 89-89 
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    Notes: [Auszug] Larv of a pure line, P44, were injected with a viral solution and polyhedra isolated in the usual way from surviving diseased individuals. Isolation was, however, carried out under cooling conditions and the last sediment washed with 2 M sodium chloride, in order to remove remaining cell debris. 5 ...
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    Nature 178 (1956), S. 92-92 
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    Notes: [Auszug] The first method of artificial elimination of F factor is called the citrate method . A culture of F+ cells was inoculated into peptone medium (peptone, 10 gm., and glucose, 2 gm., in 1 litre distilled water), and incubated overnight at 37 C. After 24 hr., 0.15 ml. of 0.4 M cobalt solution was ...
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    Nature 178 (1956), S. 408-410 
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    Notes: [Auszug] WHEN silver, lead, cadmium or other metallic Wazides are heated to a temperature below that necessary to cause detonation, they decompose comparatively slowly into metal and gaseous nitrogen. The kinetics of this decomposition, as determined from pressure/time curves, have been investigated by a ...
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    Nature 178 (1956), S. 407-408 
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    Notes: [Auszug] ALTHOUGH efforts have frequently been made to develop a gas analyser depending on the variation of the velocity of sound with the nature of the gas, no practical instrument was produced until quite recently. The successful development of this gas analyser is due to the efforts of, among others, J. ...
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    Nature 178 (1956), S. 96-97 
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    Notes: [Auszug] In rats raised at a temperature of 0 C. thermo-regulatory mechanisms develop at the same rate as in rats raised at room temperature (20 C.). Their oxygen consumption, however, is increased when measured at 29 -5 C. surrounding temperature. The present communication describes an attempt which ...
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    Nature 178 (1956), S. 99-100 
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    Notes: [Auszug] According to early literature, and popular belief, Avena fatua is considered to be the wild species which has given rise to our cultivated oat Avena sativa, and, similarly, A. sterilis to the cultivated red oat A. byzantina3,4 Recently, however, Coffman5 has advanced the theory that A. sterilis is ...
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    Nature 178 (1956), S. 103-104 
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    Notes: [Auszug] Fig. 1 is a record taken May 30, 1956, in which the interferometer lobe pattern due to Venus is very well denned near meridian transit and for an hour or so thereafter. Although better records have been obtained for a few hours, the May 30 record is significant because of the long duration of the ...
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    Nature 178 (1956), S. 414-414 
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    Notes: [Auszug] Corresponding products are at present available only on a limited scale in the United Kingdom. The production of dried solubles recovered from malt whisky distilleries in Scotland has permitted investigation of the growth factors which they may contain. Field trials with chicks and turkey poults ...
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    Nature 178 (1956), S. 415-415 
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    Notes: [Auszug] This system offers an advantage over the chloro-form/formamide system used by Jensen1 since the primary A and B glycosides as well as the secondary glycosides are separated before the solvent front reaches the bottom of the paper. Furthermore, any ethylene glycol left in the paper after drying will ...
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    Nature 178 (1956), S. 14-15 
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    Notes: [Auszug] DURING the night of May 1314, 1956, Albert Jan Kluyver, professor of microbiology at the Technological University of Delft, Holland, suddenly died at his home of a heart attack, at the age of nearly sixty-eight years. The news of his death will deeply affect all who have known him, because they ...
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    Nature 178 (1956), S. 17-17 
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    Notes: [Auszug] A BILL converting the University College of Khartoum into a University has been passed by both Houses of the Sudanese Parliament and submitted to the five Supreme Counsellors, in whom the presidential powers are vested, for their assent. The special relationship with the University of London, ...
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    Nature 178 (1956), S. 18-18 
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    Notes: [Auszug] APPROVAL has been given for the Meteorological Office to buy an electronic computer, and one has been ordered. The machine will be installed in the Napier Shaw Laboratory at the Central Forecast Office, Dunstable, and will be employed primarily on research into forecasting by numerical methods the ...
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    Nature 178 (1956), S. 17-17 
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    Notes: [Auszug] WITH the release at last years Geneva Conference of much scientific and technical information concerning reactors and the peaceful uses of atomic energy, interest has been stimulated in many countries, and several new periodicals devoted to the study of individual branches of the subject have ...
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    Nature 178 (1956), S. 18-18 
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    Notes: [Auszug] As a continuation of earlier seminars in the Chemistry Department of University College, London (Nature, 175, 670 ; 1955), Prof. J. J. Hermans, of the University of Leyden, gave a lecture on April 30 on polyelectrolyte properties of soaps. Debyes work (Ann. New York Acad. Sci., 51, 575 ; 1949), ...
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    Nature 178 (1956), S. 18-18 
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    Notes: [Auszug] EVER since the days of T. H. Huxley, the standard introduction to the study of insect anatomy has been the dissection of the cockroach. Although large and easily obtainable, the cockroach is not an ideal insect for this purpose ; the locust is better suited for teaching and for practice in ...
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    Nature 178 (1956), S. 19-19 
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    Notes: [Auszug] S. D. GARRETT has investigated some of the factors which determine the vigour of the infection of potato tubers by the rhizomorphs of Armillaria mellea (Ann. Bot., N.S., 20, 78, 194 ; 1956). The growth of rhizomorphs of Armillaria mellea from small woody inocula through tubes of soil was ...
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    Nature 178 (1956), S. 76-77 
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    Notes: [Auszug] THE report of the Universities Council for Adult Education for the session 1954.55* is critical of the Ashby report of adult education in Britain on two points : it has serious doubts regarding the administrative arrangements proposed for the annual assessment of grants to responsible bodies ; and ...
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    Nature 178 (1956), S. 79-79 
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    Notes: [Auszug] THE photosynthesis and formation of fats in a diatom, Navicula pelliculosa, using carbon-14 as a tracer, has been investigated in some detail by G. E. Fogg (Ann. Bot., N.S. 20, 78, 265 ; 1956). Fixation into the following cell fractions was determined: (A) material soluble in 80 per cent ethanol ...
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    Nature 178 (1956), S. 85-86 
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    Notes: [Auszug] Dr. Ewer s suggestion as to the evolutionary process by which learned activities are replaced by unlearned is very similar to our own5,6. But we doubt5 whether it is applicable to imprinting, which James7 described as the inhibition of instincts by habits . A young nidifugous bird instinctively ...
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    Nature 178 (1956), S. 88-89 
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    Notes: [Auszug] Stabilization of enzymes could be expected to be brought about by using (a) extraneous proteins or polyamides, (6) reducing agents, (c) chelating compounds and related substances, and (d) competitive inhibitors. Fig. 1. Xanthine oxidase solutions (see explanation of batch numbers, ref. 10) stored ...
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    Nature 178 (1956), S. 91-92 
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    Notes: [Auszug] During recent work with staphylococci4, it was found that one strain could be lysogenically infected and formed a stable system in which every colony was lysogenic ; but the culture was not completely immune to the phage in that high titres of phage gave low counts on the lysogenic culture. It is ...
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    Nature 178 (1956), S. 94-95 
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    Notes: [Auszug] Fig. 1 By using lignin as a marker4 in the fodder and in the abomasal contents of sheep, we have been able to make such an assessment for a number of diets of widely different protein content. The sheep were fed a regular ration of these diets before being slaughtered at various intervals after ...
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    Nature 178 (1956), S. 41-42 
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    Notes: [Auszug] Our results with these films can be summarized briefly : (1) The absorption spectra of the unexposed films are not appreciably changed on heating in either oxygen or nitrogen in the dark at 50 C. for 150 hr. (2) After prolonged exposure in either gas to,a high-pressure mercury-vapour lamp (G.E.C., ...
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    Nature 178 (1956), S. 45-46 
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    Notes: [Auszug] A sample of ascitic fluid was taken from each of five Rous ascites tumours and the number of tumour cells in it was determined using a haemocytometer. Each sample was divided into two portions. The first portion was used to make electron microscope preparations by the method employed in the earlier ...
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    Nature 178 (1956), S. 47-48 
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    Notes: [Auszug] We have examined the pyramidal cells in the pre-piriform cortex of the rat after removal of the olfactory bulb, which is known to be the main source of afferent fibres to this region3. Comparison of the two sides of rat brains subjected to unilateral olfactory bulb resection has revealed no obvious ...
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    Nature 178 (1956), S. 50-51 
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    Notes: [Auszug] Fig. 1. Mean petiole lengths (mm.) of leaves emerging from the bud during five successive fortnightly periods Evidence is now presented for the transmission in the opposite direction along the stolon of a substance or substances promoting stolon formation, increased petiole-length, and ...
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 52-52 
    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 Department of Scientific and Industrial Research. Food Investigation Special Report No. 62 : Dehydration of FishBritish Experiments (1939-54) and the Development of a Warm Air Drying Process. By Dr. C. L. Cutting, Dr. C. A. ...
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    Nature 177 (1956), S. 1192-1193 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE increase in the importance and complexity of radio in the Armed Services and outside them can be measured by the changes that have taken place in Service literature on the subject. It is a far cry from the original "Admiralty Handbook of Wireless Telegraphy" to the "Services* Textbook of ...
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), 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 these, when the temperature is increased the preparations show a transient decrease in rate of spontaneous activity, whereas if the temperature is decreased, the activity shows a transient increase. The final rate of activity shows the normal temperature effect : it is faster at higher ...
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 424-425 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the course of large numbers of experiments with shake cultures in quill tubes (3 mm. internal diameter), the medium being covered with various substances, the development of long forms has been readily observed. An account of this work is being prepared for publication. Utilizing poor media ...
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 426-427 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Thus it seems that a shoot beginning development on a raft is able to obtain nutriment or growth stimulants not merely from its parent sporeling disk but also from the surrounding tissue. In fact, coalesced sporelings behave less as independent individuals than as a single organism. The ...
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    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1206-1206 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE report for 1953-54 of the Museum of Applied Science, Victoria (pp. 15 ; from the Museum, Melbourne, 1955), indicates that the outstanding event was the special display arranged to commemorate the fiftieth anniversary of the achievement of powered flight. The display was in a chronological ...
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    Nature 177 (1956), S. 1207-1207 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a paper dealing with turbulence above the ozone layer (J. Brit. Interplanetary Soc, 15, 1 ; Jan.-Feb. 1956), Alan E. Slater gives a very comprehensive account of the subject, leading to the conclusion that the region of the atmosphere from 50 to 80 km. may not be turbulent, as is usually ...
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    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1207-1207 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AN account has been given by B. Mosse (Ann. Bot., N.S., 20, 78, 349 ; 1956) of the identification of a hitherto undescribed species of Endogone which she found in organic connexion with mycorrhizal strawberry roots grown in pots in a greenhouse. By inoculating sterilized soil with these ...
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    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1208-1208 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NEW moon occurs on July 8d. 04h. 37m., TT.T., and full moon on July 22d. 21h. 29m. The following conjunctions with the Moon take place : July 6d. 17h., Venus 3 S. ; July 7d. 05h., Mercury 2 N- ; July lid. 07h., Jupiter 7 N. ; July 17d. 15h., Saturn 11 N. ; July 27d. 14h., Mars 11 S. In addition to ...
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    Nature 177 (1956), S. 1208-1208 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE University of Minnesota has recently made the Elvin Charles Stakman Award to Prof. W. L. Waterhouse, of the University of Sydney. This award consists of a medal, a scroll and a nominal monetary grant, and has been given for outstanding contributions to the biology of the cereal rusts and to ...
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    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1210-1212 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE convention, as a means of bringing to a focus widely scattered knowledge of a particular subject, has gained a great deal of popularity in recent years, and that on "Electrical Equipment of Aircraft", held in London at the Institution of Electrical Engineers during May 2-4, proved to be no ...
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    Nature 178 (1956), S. 431-431 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has been found that when coals are extracted with certain organic solvents, an appreciable fraction of the coal substance is dissolved1, and that the extract, after removal of the solvent, exhibits marked hydrophobic properties2. Promoters of dropwise condensation so far developed either have ...
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    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 39-40 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The cubic form was found by Konig to transform on heating into the normal hexagonal structure of ice at about 80 C. These experiments were of the transmission type, which means that the ice layers can scarcely have been more than a few thousand angstroms in thickness. Experiments by Tschudin2 on ...
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