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  • Nature Publishing Group  (19,871)
  • American Institute of Physics (AIP)
  • 1955-1959  (19,871)
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  • 1
    Electronic Resource
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    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1998-2001 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE preceding article has presented evidence, derived from isotope studies of the biosynthesis of tobacco mosaic virus, which places certain restrictions on proposals regarding the mode of replication of this virus. In the present article the implications of these new requirements for the theory of ...
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  • 2
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    Nature 184 (1959), S. 2005-2006 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (1) With cadmium nitrate solutions (pH adjusted with nitric acid) ^-cadmium sulphide is formed. Its cubic lattice is parallel to that of the substrate, and involves, in addition, twins with respect to 〈 111 〉 p-CdS (polar axes ; parallel to 〈 111 〉 PbS in this case) (Fig. 1). (2) With ...
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  • 3
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    Nature 184 (1959), S. 2004-2005 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1. GAS TEMPERATURES AND VELOCITIES IN COSMNSAL ELECTRICAL DISCHARGES Temperature (K.) Velocity (km./sec.) Source Theory Observation Theory Observation Long-period 5,000 8-5 9 (ref. 3), variable stars ? to to 11 (ref. 2a) 10,00 12 Combination spectra star (AX Persei) Extra-galactic nebulae ...
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  • 4
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    Nature 184 (1959), S. 2009-2009 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In practice, VR is often not much greater than Vd and may well be less for some things. In these circumstances it is possible to show1 that the theoretical plate requirement for separation is related to S by : (2)) N increases very rapidly as the ratio increases. For example, consider the ...
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  • 5
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    Nature 184 (1959), S. 2011-2011 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Solubility of Water in Benzene and Toluene at 20C. A stream of dry air was saturated, with tritiatel water at temperature Tl and was allowed to come to equilibrium with the hydrocarbon liquid at temperature T2 (T2〉T'1). Samples were taken of the hydrocarbon after equilibration and ...
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  • 6
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    Nature 184 (1959), S. 2013-2014 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Other work, however2-5, has suggested that hydrogen superoxide exists at room temperature. This communication is concerned with an investigation of a reported method of preparation. Astakhov and Getzov postulated the existence at ambient temperature of HO2 to explain the slow evolution of oxygen ...
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  • 7
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    Nature 184 (1959), S. 2016-2016 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies were made in male Wistar rats weighing 185-225 gm. The animals were killed by decapitation and the blood was left to flow off. Immediately, the liver and the kidney were perfused with isotonic saline, excised and weighed after dissection of capsular and vascular connexions. The tissues were ...
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  • 8
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    Nature 184 (1959), S. 2017-2018 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Furthermore, the pronounced advances in the study of the genetics and biochemistry of microorganisms in recent years has stimulated the study of single somatic mammalian cells in vitro. The work of Puck6 is an example of this type of study. In the present work, a new culture medium for culturing ...
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  • 9
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    Nature 184 (1959), S. 2019-2020 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It crystallizes from water as colourless plates or needles (dimorphism) of m.p. 160. It is slightly soluble in water, readily soluble in ether, alcohol and acetone. It is strongly Isevorotatory ([a]j〉= 100 in methanol). Oleuropeic acid has the composition C10H16O3. Titration with alkali proves the ...
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  • 10
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    Nature 184 (1959), S. 2021-2022 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Representative samples of the cattle on each winter treatment were withdrawn for slaughter at date of turning to spring pasture in April; after three weeks of spring grazing, in May; and after six, in June. Weights of contents of stomachs and intestines, and of the carcasses of the sample steers, ...
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  • 11
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    Nature 184 (1959), S. 2024-2025 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently Quastel and Bickis3 and Ibsen et al.4 determined the ratio of the lactate production by ascites tumour cells to the difference between the oxygen consumption of the cells in the absence and presence of glucose (AO). They found that the accumulation of lactate accounted for the decreased ...
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  • 12
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    Nature 184 (1959), S. 2023-2024 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The technique used has largely been the same as in the last report. To cats of both sexes, weighing 2*54*0 kgm. and anaesthetized with 'Nembutal' (Abbott) intraperitoneally, 3 mgm./kgm. reserpine ('Serpasil', Ciba) was administered intravenously. Venous blood from the left adrenal was ...
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  • 13
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    Nature 184 (1959), S. 2030-2030 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has therefore occurred to me, and independently to others, that failure to produce prolactin might be a basic factor in the development of brood parasitism. Hence a comparison of the prolactin content of the pituitaries of female cowbirds in breeding condition, with that of pituitaries of ...
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  • 14
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    Nature 184 (1959), S. 2030-2031 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Previous investigations have established that under a salt load the lateral nasal gland excretes a hyper-tonic solution of sodium chloride more concentrated than either urine or sea-water in the Humboldt penguin (Spheniscus humboldti)2, herring gull (Larus argen-tatus)3, doubled-crested cormorant ...
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  • 15
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    Nature 184 (1959), S. 2034-2035 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since gibberellins have such a marked promotive effect on the growth in length of stems, there seemed a strong possibility that this group of chemicals would overcome the dwarf growth of unstratified seedlings. In a recent review, Stowe and Yamaki3 do, in fact, state that the chilling requirements ...
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  • 16
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    Nature 184 (1959), S. 2037-2038 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An experimental attempt to shorten the juvenile period in birch (Betula verrucosa, Ehrh.) was started in 1957. This was designed to determine whether the tree develops the capacity for reproduction as a result of attaining a certain height or size, or as a result of undergoing a certain number of ...
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  • 17
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    Nature 184 (1959), S. 2040-2041 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Isolated females were allowed to feed on solutions of carbohydrate (100 gm. sugar in 100 c.c. water) and protein (5 gm. 'Marmite' in 100 gm. milk which for the sake of simplicity will be referred to as 'protein') contained in identical capillary tubes. The capillary tubes were held just off the ...
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  • 18
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    Nature 184 (1959), S. 2042-2042 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Haptoglobin phenotypes Gene freq. Transferrin phenotypes No. 1-1 2-1 2-lAf 2-2 Neg. Hpl Hp* CD^ Dj. Bushmen (a) Tribal 71 7 29 0 34 1 10 1 (b) Farms 42 5 11 0 25 1 30 Total 113 12 40 0 59 2 0-29 0-71 13 1 Hottentots (a) Random 34 10 16 0 80 (6) Related 25 890 80 2 0 2 0 Total ...
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  • 19
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    Nature 184 (1959), S. 1901-1901 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EVERYONE knows the dismal sequel to the f_j ambitious scheme for the mechanized production of ground-nuts in East Africa, which was characterized by the failure to employ pedological methods on pedological problems. After the horse had departed, some effort was made to shut the stable door and a ...
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  • 20
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    Nature 184 (1959), S. 1902-1902 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN this book the author has attempted to present the evidence obtained by the use of isotopic tracers in the study of organic reaction mechanism. A very wide field has been covered, and in some sections, for example, that on migration aptitudes, a valuable critical discussion has been included. It ...
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  • 21
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    Nature 184 (1959), S. 1917-1920 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A RECENT article on the above subject1 showed that the mechanical properties of Armco iron were slightly lower after a previous amount of dynamic prestrain than after the same amount of static deformation. This finding confirmed the results of Campbell and Duby2 but was contrary to those of Harris ...
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  • 22
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    Nature 184 (1959), S. 1932-1933 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Compound Acetaldehyde Acetic acid Acetone (in water) Acetone (in hexane) Acetyl chloride Acetyl bromide Butyric acid Dimethyl carbonate Ethyl acetate Formaldehyde S (in ether) * Estimated range f Estimated from continuous spectrum Table 1 2 3 4 Wave-length Reference Shift ...
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  • 23
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    Nature 184 (1959), S. 1934-1935 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An organism was isolated from aerobic enrichments of soil in a nitrogen-free mineral salts medium containing ethanol as sole carbon scource. The pure culture obtained after repeated streaking was characterized as an Azotobacter vinelandii type5. Typical growth stages observed on the above medium ...
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  • 24
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    Nature 184 (1959), S. 1941-1941 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The spectrophotometric estimation of unsaturated fatty acids is carried out by the method recommended by the American Oil Chemists' Society1; saturated acids, separated according to Bertram2, are chromato-graphically determined by a procedure recently developed in this laboratory3. This procedure ...
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  • 25
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    Nature 184 (1959), S. 1943-1943 
    ISSN: 1476-4687
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Leaves and stems of the wheat plant at different stages of growth contain sucrose5. In addition, Shu et al.6 demonstrated that uredospores of wheat stem rust, race 155, during at least the initial stages of germination oxidized this sugar. Consequently uniformly labelled sucrose-14C was chosen as ...
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    Nature 184 (1959), S. 1944-1945 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In previous studies1'2, a large quantity of ferritin was proved, by the precipitin test and the complement fixation test1 to be circulating in the blood of horses suffering from infectious anaemia. On the other hand, several workers have obtained results which suggest that a small quantity of ...
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    Nature 184 (1959), S. 1948-1948 
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    Notes: [Auszug] The in vivo work on this problem has not been so direct, nor is there agreement concerning the requirement for calcium for vitamin Bj.2 absorption from the gut of the living animal. Abels et al3, in studies with gastrectomized rats, administered vitamin Bi2 58Co with neutralized rat gastric juice, ...
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    Nature 184 (1959), S. 1961-1961 
    ISSN: 1476-4687
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    Notes: [Auszug] Two types of experiment were performed. In the first, flies aged less than 3 hr. after eclosion were injected with about 0*05 pd. labelled thymidine (Schwartz Laboratories, New York) of about 0-9 me. per ml. (and about 180 mc./mM). Flies were killed at daily intervals, up to 9 days after treatment. ...
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  • 29
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    Nature 184 (1959), S. 1962-1963 
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    Notes: [Auszug] The sample of phytoplankton contained a large number of cells of the Coscinodiscus and the Asteromphalus which were represented in the two valves of the aberrant cells. Fig. 1 shows the girdle view of the two cells, the concave nature of the Coscinodiscus valves, and the different shape of the ...
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  • 30
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    Nature 184 (1959), S. 1966-1967 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dystrophic mice obtained from the Jackson Memorial Laboratory, Bar Harbor, were divided into nine experimental groups. Aniamls given 0-5 y/gm. body weight 17a-ethyl-19-nortestosterone ((7-5914) in corn oil by stomach tube three times a week starting at five weeks of age (group II) had a median ...
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    Nature 184 (1959), S. 1967-1968 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Out of 43 species of Anoplotermes hitherto known5"8, 32 are neotropical, 11 Ethiopean and one nearctic (this species is also neotropical). Recently, we found a new species (to be described elsewhere) from Assam. This is the first record of the genus from the oriental region, and the discovery is of ...
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    Nature 184 (1959), S. 1830-1830 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book, an expansion of a lecture founded in memory of Dr. H. W. Dickinson, who was educated at the Manchester Grammar School and at Owens College, is beyond doubt a first-rate contribution to scholarship. In the field of Chinese science and technology the author speaks with a unique authority ...
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    Nature 184 (1959), S. 1845-1845 
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    Notes: [Auszug] COMMENCING January 9, a course of twelve lectures and appropriate practical work on micro- and semi-microchemical methods will be held on Saturday mornings at the Norwood Technical College, London, S.E.27. This course has been arranged for teachers, industrial and research chemists, and is designed ...
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    Nature 184 (1959), S. 1847-1847 
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    Notes: [Auszug] THE establishment, under the Agricultural (An Foras Tal ntais) Act, 1958, of the Agricultural Institute of the Republic of Ireland, An Foras Tal ntais, was announced in Nature, July 4, 1959. The Institute now announces major developments in the organization of the Division of Plant Sciences and ...
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    Nature 184 (1959), S. 1854-1855 
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    Notes: [Auszug] THE interpretation of serological studies of haemo-X globin is difficult because a preparation of haemoglobin may contain two or more distinct haemoglobins as well as other soluble antigenic constituents of the red cell. Markowitz, Cartwright and Wintrobe1 have investigated quantitatively antisera ...
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    Nature 184 (1959), S. 1856-1856 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: LECTURER or ASSISTANT LECTURER IN GEOGRAPHY at Makerere College (The University College of East Africa) The Secretary, Inter-University Council for Higher Education Overseas, 29 Woburn Square, London, W.C.I ...
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    Nature 184 (1959), S. 1858-1859 
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    Notes: [Auszug] For shocks of Mach number between 8 and 10 through carbon dioxide, we find evidence of both vibrational relaxation and delayed dissociation. The sodium excitation temperature close to the shock front is quite low, but rises rapidly to a value far in excess of the equilibrium temperature, but close ...
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    Nature 184 (1959), S. 1860-1860 
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    Notes: [Auszug] The directions of remanent magnetization have been measured by Blundell and are shown in Fig. 1. These are arranged in two groups, normal and reversed, which are 180 apart. The two groups have been combined by reversing the polarity of those with downward dips to provide a mean direction of ...
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    Nature 184 (1959), S. 1863-1864 
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    Notes: [Auszug] L-Serine phosphate, which, as the result of the following analysis, may be written -HO3POCH2 CH(NH3+)COOH, crystallizes in the orthorhombie system with lattice parameters a=7-790-01, 6= 10-24 0-04, c = 9-090-02 A. There are four molecules in the unit cell, Dx= 1*692, DTO= 1-707, and the space group ...
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    Nature 184 (1959), S. 1865-1866 
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    Notes: [Auszug] Expression 1 may be applied without making assumptions regarding the dependence of p and q upon the radiation dose. Lightly masticated pale crepe rubber, which had been freshly extracted with acetone, was evacuated and sealed in glass tubes. After irradiation, with gamma radiation from a cobalt-60 ...
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    Nature 184 (1959), S. 1866-1866 
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    Notes: [Auszug] Table 1. MASS-SPECTRUM or METHYLATED LAMINARIN O . l 2 3 R-1 (M.rads-1) 27 w 45 vw 83 vw 112 m 156 m 364 m 566 28VS55 m84 w 124 w367 w 29 m 56 w 85 vw 129 m 188 m 395 m 595 31 m 57 m 86 w 131 w397 m 32 s 60 w 95 vw 143 w 230 m 434 s 635 39 w 67 w 97 vw 144 vw 268 w 490 w 644 40 vw 68 vw 99 vw 145 ...
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    Nature 184 (1959), S. 1868-1869 
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    Notes: [Auszug] Recently, stability constants have been reported2 for CuL+ and CuHL + and for a complex suggested to be Cu(OH)L. Evidence for this complex was the second linear portion observed in the titration curve of 1 : 1 copper-histidine mixtures (Fig. 1), which was consistent with the formation of such a ...
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    Nature 184 (1959), S. 1871-1871 
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    Notes: [Auszug] A method of quantitative assay based on the inhibition of the construction of emergency queen cells was devised by Butler and Gibbons3, and used by Butler and Simpson4, to demonstrate that 'queen substance' is contained in the mandibular glands of the queen honeybee. Using this test, the extraction ...
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    Nature 184 (1959), S. 1878-1879 
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    Notes: [Auszug] Heparinized duck blood, with added sodium-benzyl penicillin and dihydrostreptomycin sulphate, was incubated for 90 minutes at 38-5 C. in an atmosphere of 95 per cent oxygen and 5 per cent carbon dioxide. 10 [xc. of glycine-2-14C (specific activity 1 mc./m.mole) and of 300 mgm. of glucose per 100 ...
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    Nature 184 (1959), S. 1882-1882 
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    Notes: [Auszug] An increase in the value of the biological half-life would not affect the calculation of the maximum permissible body burden, but would lead to a decrease in the maximum permissible levels in water and air, these being inversely proportional to the effective half-life in the conditions of final ...
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    Nature 184 (1959), S. 1885-1886 
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    Notes: [Auszug] Kosanke3 confirmed the extraction of bacteriostatic substances from lignite, sub-bituminous and high-volatile bituminous coals by methanol, and also showed that acetone and ethanol were effective solvents. These extracts were assayed for anti-fungal activity by Schenck and Carter4, and found to ...
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    Nature 184 (1959), S. 1888-1888 
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    Notes: [Auszug] The subtending glumes of the proliferated spikelets were normal but all or some of the lemmas were modified. The modified lemmas varied from near normal to typically leaf-shaped with well-developed sheathing bases and ligules. Usually only the upper lemmas were modified whilst those at the base of ...
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    Nature 184 (1959), S. 1888-1889 
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    Notes: [Auszug] It was shown indirectly in a previous communication4 that heterocaryosis was one of the causes of degeneration of the high-production strain Streptomyces erythreus VUAM. Electron-microscope studies are herewith described as applied to the spores of morphological variants of the strain Streptomyces ...
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    Nature 184 (1959), S. 1894-1894 
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    Notes: [Auszug] M. lacticum 8180, M. lacticum 8181 and M.flavum 10340 were obtained from the American Type Culture Collection and grown on slants containing Difco nutrient agar plus 1 per cent Difco yeast extract. After 48-hr, incubation at 37 C., the cells were harvested and washed twice with 0-02 M dipotassium ...
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    Nature 184 (1959), S. 1747-1749 
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    Notes: [Auszug] THERE are few more important questions for mankind to-day than that of the creative use of the mass media, and recent evidence of the abuse or wasteful use of television or of broadcasting only accentuates the urgency of determined efforts to discover effective ways of using the immense powers of ...
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    Nature 184 (1959), S. 1754-1754 
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    Notes: [Auszug] SO much is heard nowadays of the capabilities of the computer robot in imitating every human activity that it is not surprising to read of experiments in which the computer is made to compose music. Perhaps to say that the machine 'composes' is putting the experiments described in this book at too ...
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    Nature 184 (1959), S. 1756-1757 
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    Notes: [Auszug] THIS book forms the first part (a) of Vol. 1 of Elsevier's "Comprehensive Analytical Chemistry" which is to consist of five distinct volumes, some containing several parts. Vol. la (to be followed by 16 and Ic) deals with classical methods of analysis and contains six distinct chapters. Each ...
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    Nature 184 (1959), S. 1757-1758 
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    Notes: [Auszug] THIS book, edited by the Director of the Geophysical Laboratory, Washington, is the outcome of a seminar series in geochemistry organized by the Geophysical Laboratory and held there, and at the Johns Hopkins University, during the academic year 1957-58. It gives a valuable conspectus of current ...
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    Nature 184 (1959), S. 1760-1761 
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    Notes: [Auszug] SOUND monographs on the major crops are always welcome, not only to those with a specialized or professional interest but also to the general reader. A new work on the coconut palm by Dr. K. P. V. Menon, director of the Central Coconut Research Station, Kayangulam, and Dr. K. M. Pandalai, joint ...
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    Nature 184 (1959), S. 1765-1765 
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    Notes: [Auszug] IN a traditional industry, such as the textile industry, practice has been and, in many aspects still is, ahead of theory. This situation has arisen because able men have had an abundance of time to solve technical problems empirically, During the past few decades, however, a host of new problems ...
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    Nature 184 (1959), S. 1774-1774 
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    Notes: [Auszug] THE Intelligence Unit of the Council for Nature, which was set up in May 1959, with the aid of a grant of £5,000 a year for three years from the British Broadcasting Corporation, is now ready to deal with requests for information about field natural history in the United Kingdom. The Unit has ...
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    Notes: [Auszug] THE Ministry of Education has published a pamphlet intended to give university students a picture of the opportunities which exist for men and women to follow a career in education ("A Career in Education for University Graduates". Revised edition. Pp. 15. London : Ministry of Education, 1959). It ...
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    Notes: [Auszug] REVISED leaflets describing varieties of fodder beet and mangel and of swedes have recently been issued by the National Institute of Agricultural Botany at Cambridge. In each of these crops the Institute has tested very large numbers of varieties, and these leaflets give details of the important ...
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    Notes: [Auszug] In the communication entitled "A New Crystalline Salt of Oxytocin" in Nature of September 26, p. 981, par. 3, line 4, for "33 ni[" read "353 ...
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    Nature 184 (1959), S. 1779-1780 
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    Notes: [Auszug] THE Report of the National Chemical Laboratory for 1958 follows the same general lines as previous reports (Department of Scientific and Industrial Research. Report of the National Chemical Laboratory, 1958. Pp. iv+97. London : H.M. Stationery Office, 1959. 5s. 6d. net). After a preliminary ...
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    Nature 184 (1959), S. 1786-1786 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned : LECTURER IN THE DEPARTMENT OF VETERINARY PATHOLOGY? The Secretary, The University, Edinburgh (December 31). LECTURER (preferably an experimental physicist with an interest in low temperature physics, ...
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    Nature 184 (1959), S. 1788-1789 
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    Notes: [Auszug] During the winter months when occurrence of sporadic E is not normally prevalent this usually takes the form of temporary appearance of Es where none was previously present. Correlation is not 100 per cent, and quite often large F disturbance anomalies are not associated with a corresponding EB ...
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    Notes: [Auszug] THE James Arthur Lecture on the Evolution of the Human Brain, given by Prof. D. P. C. Lloyd, entitled "The Discrete and the Diffuse in Nervous Action", has now been issued (pp. ii + 28. New York : Amer. Mus. Nat. Hist., 1959). His central theme is Cajal's concept of "les reflexes unilatraux ...
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    Nature 184 (1959), S. 1794-1795 
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    Notes: [Auszug] The heterogeneous or 'smoke' theory of Muraour1 is supported by Walsh and his collaborators2,3, on the basis of their studies of the low temperature oxidation of ethers in coated vessels. The reactions leading to auto-ignitions in the end gas are supposed to be inhibited by removal of chain centres ...
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    Nature 184 (1959), S. 1793-1794 
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    Notes: [Auszug] In 1955, Holmes et l.* reported the first isotopic age measurements on Lewisian rocks. Measurements on eight feldspars, all from pegmatites, were made by the potassium-argon method. Three samples came from the Outer Hebrides, three from the Laxfordian, and two from the Scourian. Omitting three ...
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    Nature 184 (1959), S. 1796-1796 
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    Notes: [Auszug] Fig. 1. Mass spectra of: (A) toluene ; (£) spiro -(2,4)- eycioheptadiene -(1,3) ; and (C) eyeZoheptatriene (the sensitivity up to mass m/e =90 is fourfold) ; Mer type ion source The mass spectra of toluene, ci/cZoheptatriene and spVo-(2,4)-ci/cZoheptadiene-(l,3), shown schematically in Fig. ...
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    Nature 184 (1959), S. 1800-1801 
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    Notes: [Auszug] Using commercially prepared y-globulin (Lederle C-496) as an antigen, potent antisera were prepared in rabbits. The distribution of y-globulins was studied with the aid of starch-gel immunoelectro-phoresis84. Fig. 1 shows the results obtained when a 2-5 per cent solution of the antigen and of ...
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    Nature 184 (1959), S. 1803-1804 
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    Notes: [Auszug] Under existing conditions with jet aircraft, it is no longer the men who fly the aircraft who are subjected to the greatest noise but the attendant ground, staff. Those in the worst situation are the men employed on the flight deck of an aircraft carrier dur ing aircraft launching operations, when ...
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    Nature 184 (1959), S. 1810-1811 
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    Notes: [Auszug] Culture media : Liver extract, 1000 ml. ; polypep-tone, 10 gm. sodium chloride, 5 gm. ; agar, 20 gm. Minced liver is extracted with two volumes of tap water at 100C. for 1 hr. After melting, pH. is adjusted to 7-8 with sodium hydroxide solution. Autoclave at 15 Ib. for 15 min. Not only the mouse ...
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    Nature 184 (1959), S. 1814-1815 
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    Notes: [Auszug] The measuring of gaseous exchange was used and the respiratory quotient was evaluated (R.Q. = carbon dioxide output : oxygen consumption23). The respiratory quotient was measured in the groups of 3-5 mice 1 hr. before the X-irradiation. The doses of single total-body irradiation of 600 r. and 450 ...
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    Nature 184 (1959), S. 1815-1816 
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    Notes: [Auszug] The experimental procedure was as follows : Groups of (LxA).F1 hybrid mice 12-15 weeks old were exposed to a lethal dose of 250 kV. X-rays (870 r.). This was followed (within a few hours) by intravenous injection of fresh bone marrow cell suspension in Tyrode's solution?either 70xl06 nucleated ...
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    Notes: [Auszug] Therefore, it was of interest to study the mechanism of the protection accomplished by this material, also, to find eventually more favourable conditions for the recovery and to explain the mode of action of the protective agent. First of all we studied the state of polymerization, in which the ...
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    Nature 184 (1959), S. 1819-1819 
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    Notes: [Auszug] Structurally the process consists chiefly of nerve fibres containing neurosecretory material, and cells of unknown function called 'pituicytes'. Scattered nerve cells have also been described in the neural process of some forms, including the dog2 and human3. The neural process of the ferret ...
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    Nature 184 (1959), S. 1684-1684 
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    Notes: [Auszug] THE death of William Dallimore took place suddenly at his home near Tonbridge, Kent, on November 7, in his eighty-ninth year. He entered the Royal Botanic Gardens, Kew, as a young student in 1891 and his official connexion with this institution extended over forty-five years. His earlier years at ...
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    Nature 184 (1959), S. 1686-1686 
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    Notes: [Auszug] PROF. E. C. WATSON, dean of the faculty for the past fourteen years at the California Institute of Technology, is retiring to become scientific attach to the U.S. Embassy in India. Dr. Watson administered the Institute's rocket development programme during the Second World War after having managed ...
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    Nature 184 (1959), S. 1695-1697 
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    Notes: [Auszug] IT is generally accepted that the compression and swelling of a clay saturated with sodium ions is described by the osmotic theory of swelling1-3. This theory is based on osmotic effects associated with the adsorbed layer of ions in clays4 5, and relates the thickness of the water layer between two ...
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    Notes: [Auszug] THE trans-equatorial migration of the short-tailed shearwater or Australian 'mutton-bird' has been described and mapped by Serventy1 (Fig. 1). Marshall and Serventy2 further showed that the migratory flocks regularly leave their southern Australian breeding islands in April (autumn) at a time when ...
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    Nature 184 (1959), S. 1707-1709 
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    Notes: [Auszug] During the past two years we have examined some 150 congeners of pempidine, the great majority of which have contained the structural component : |/C Many of these compounds have exhibited a level of ganglion-blocking activity similar to that of pempidine in the nictitating membrane test in the ...
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    Nature 184 (1959), S. 1711-1711 
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    Notes: [Auszug] In the meantime cyclic compounds with a free sulphonamido-group, for example, 6-chloro-7-sul-phamyl-3, 4-dihydro-l, 2, 4-benzothiadiazine-l, 1-dioxide (II), have received attention2. It seemed therefore interesting to us to bring about ring-closure with formaldehyde in compound (I), and ...
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    Notes: [Auszug] The deoxyribonucleic acid had been purified by high-speed centrifuge and before use was dialysed rapidly for 20 hr. against distilled water at 4 C. so as to be virtually free of salt. This was necessary since difficulties in the method of investigation allow measurements to be made only on ...
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    Nature 184 (1959), S. 1721-1721 
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    Notes: [Auszug] Eggleton2, in an extensive study in cats, attempted to find one or more of the important factors responsible for the varying rates of alcohol metabolism between individuals of the same species. It was found that the rate of ethanol metabolism correlated more nearly with liver-weight than with ...
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    Nature 184 (1959), S. 1724-1724 
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    Notes: [Auszug] In rabbits anaesthetized with urethane, ether or pentobarbital electrical stimulation in a wide region between the optic chiasma and the anterior commissure can be shown to induce both panting and an inhibition of somatic reflexes such as the knee jerk. If stimulation at 25-50 pulses per sec. is ...
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    Nature 184 (1959), S. 1727-1728 
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    Notes: [Auszug] Alkaline (pH. 8-3-8-8) aqueous digitonin extracts were prepared either from the acid-washed dark-adapted whole retinae2 or from the alum-hardened rods3. The contained visual pigments were then tested for homogeneity by the method of partial bleaching2. Each species was found to possess one visual ...
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    Notes: [Auszug] In order to find out if a structure determination of mercuripapain crystals could be successful, we determined the dimensions and the symmetry of the unit cell. Our preliminary results are reported here. Papain was obtained from the Worthington Biochemical Corporation and crystallized with ...
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    Notes: [Auszug] By contrast, hydrolysis of a methyl ether (II) obtained from Type XIV Pneumococcus polysaccharide using sodium and methyl iodide in liquid ammonia (Freudenberg method3) gave as the only methylated amino-sugar a compound having the properties expected of 3-O-methyl-2-methylamino-2-deoxy-D-glucose. ...
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    Nature 184 (1959), S. 1721-1722 
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    Notes: [Auszug] In view of the potent pharmacological activity of the tranquilizing drugs in stress states, it seemed of interest to determine the effects of such agents upon experimental diphtheric stress. Since mice and rats are refractory to the toxin, large male guinea pigs were employed. Using groups of ...
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    Nature 184 (1959), S. 1725-1726 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] We have now found evidence from dissolution and fractionation experiments that copper deficiency in sheep is associated with a decrease in the proportion of certain sulphur-rich proteins in the wool fibres, which may possibly be responsible for some of the abnormal properties. Experiments by ...
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    Nature 184 (1959), S. 1724-1725 
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    Notes: [Auszug] Data have accumulated in this laboratory on the composition of sheep carcasses covering the extremes in hot carcass weight and fatness likely to be met with in the New Zealand sheep industry (Table 1). The composition of the frozen carcasses was determined essentially by methods previously ...
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    Nature 184 (1959), S. 1730-1730 
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    Notes: [Auszug] The differences between the foetal and adult haemoglobins of such other mammals as have been examined, also show differences in electrophoretic and chromatographic mobility and alkali denaturation rates in the latter case generally in the opposite sense to the human pigments1. Jope2 showed that the ...
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    Nature 184 (1959), S. 1732-1733 
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    Notes: [Auszug] Some recovery of infectivity was reported by Bawden2 following dilution of a mixture of antiserum and tobacco mosaic virus. Enzyme digests of antibody - tobacco mosaic virus complexes have also been used with partial success in attempts to recover infectivity3. Nevertheless, the amounts of the ...
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    Nature 184 (1959), S. 1736-1737 
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    Notes: [Auszug] Bell's observations provoked a renewal of interest in the fate of ectoderm-free limb mesoblast and in the possibility that distal development (formation of hand or foot digits) may occur in the absence of ectoderm. It soon became evident, as shown here, that there was not complete uniformity of ...
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    Nature 184 (1959), S. 1601-1601 
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    Notes: [Auszug] COAL preparation may be regarded as a collective term for those processes, mainly physical and mechanical, to which coal may be subjected in order to make it suitable for specific use. These processes include hand cleaning, hand selection, blending, screening, breaking, crushing, pulverizing, wet ...
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    Nature 184 (1959), S. 1605-1606 
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    Notes: [Auszug] IN spite of the increasing application of scientific discoveries to development of weapons and to enhance national prestige, we can still maintain that science is one of the most international of intellectual activities, and hold that anything we can do to promote co-operation is likely to ...
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    Nature 184 (1959), S. 1610-1611 
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    Notes: [Auszug] Dr. D. D. Pratt, C.B.E. AFTER thirty-four years as a member of the staff of the National Chemical Laboratory, Dr. D. D. Pratt retired from the post of director of the Laboratory on September 30, but in order to assist the new director, Dr. J. S. Anderson, he agreed to occupy the vacant post of ...
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    Nature 184 (1959), S. 1611-1611 
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    Notes: [Auszug] THE September issue of The British Survey, published by the British Society for International Understanding, is a survey of the petroleum industry from 1859, the year that Edwin Laurentine Drake drilled his historic well at Oil Creek, Titusville, Pennsylvania, U.S.A., until the present time, the ...
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    Nature 184 (1959), S. 1612-1612 
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    Notes: [Auszug] A SPECIMEN of part of a fossil penguin named Anthropodytes gill sp. nov., found by E. D. Gill in 1950 in western Victoria, Australia, has been described by G. G. Simpson (Proc. Roy. Soc. Victoria, 71, 113: 1959). The actual find (now housed in the National Museum of Victoria) consists of the right ...
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    Nature 184 (1959), S. 1613-1613 
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    Notes: [Auszug] Belfast THE appointment of Dr. F. J. Wallace (Birmingham) to senior lecturer in mechanical engineering is announced, also L. J. Clein (Maudsley Hospital, London) to be lecturer in mental health. Bristol THE following appointments are announced: Dr. J. W. Barton (Bristol), lecturer in organic ...
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    Nature 184 (1959), S. 1601-1601 
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    Notes: [Auszug] THE second edition of this excellent introduction to geochemistry follows the same general lines as the first, but although no major changes have been made, changes in detail are numerous. Many of the data in the first edition have been replaced where possible by the more reliable figures that have ...
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    Nature 184 (1959), S. 1611-1611 
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    Notes: [Auszug] THE Verco Medal is the highest award which the Royal Society of South Australia can bestow on scientific workers who have made exceptional contributions in their particular field of interests. This year the Medal has been awarded to Dr. C. G. Stephens for his excellent and outstanding work on ...
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    Nature 184 (1959), S. 1631-1632 
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    Notes: [Auszug] Equations for the thermal conductivity of binary gas mixtures based on the Chapman-Enskog theory of transport properties are given, inter alia, by Chapman and Cowling3, who also give an equation (13-5.2, ref. 3) for the case that the proportion of one component (x2) is small. This equation, which ...
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