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  • Nature Publishing Group  (15,714)
  • Springer Science + Business Media
  • American Meteorological Society (AMS)
  • Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research
  • 1950-1954  (15,831)
Collection
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Royal Observatory, Cape of Good Hope: Report for 1952 (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 437-438 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE report of the Royal Observatory, Cape of Good Hope*, for 1952, which has recently become available, shows that it was "a reasonably satisfactory" year for the Observatory. The weather, from the point of view of observing, was well above average during the first part of the winter, and good ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173437a0
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  • 2
    Electronic Resource
    Electronic Resource
    European Timber Trends and Statistics (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 438-439 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN two United Nations publications, "European Timber Trends and Prospects"* and "European Timber Statistics, 1913-1950"t, the Food and Agriculture Organization of the United Nations has summarized information collected jointly by it and the Timber Committee of the Economic Commission of Europe ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173438a0
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  • 3
    Electronic Resource
    Electronic Resource
    Ferroelectric Structure of Potassium Dihydrogen Phosphate (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 443-444 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Projection on (001) of the density of neutron scattering due to hydrogen atoms in potassium dihydrogen phosphate at - 180 C. Contours are drawn at intervals of 50 units. Broken lines are negative contours and the zero contour is shown dotted ; no positive contours appear. The small circles ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173443b0
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  • 4
    Electronic Resource
    Electronic Resource
    Sidereal Correlation of High-Energy Cosmic Rays (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 445-445 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When the number of showers occurring in half-hourly intervals of sidereal time is averaged over the year, the figures show a sidereal variation with first Fourier amplitude 1-06 ± 0-16 per cent with the maximum at 19-3 ± 0-6 hr. local sidereal time. This result is similar to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173445a0
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  • 5
    Electronic Resource
    Electronic Resource
    Permeation of a Membrane in the Presence of Water-Flow induced by Hydrostatic Pressure (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 444-445 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the flux equation, the influence of net solvent-flow can be expressed as an additive flux term equal to the velocity of water-flow times the concentration of the component studied at the membrane point considered1. The integration of the general equation describing the simultaneous operation of ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Motion of the Storm- D Regions (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 445-446 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Reference will be made here to (per cent) 'prob-ability of blackout' rather than to storm-Z) regions. Diurnal variation of blackout probability is determined by counting the number of instances (at each hour for the four-year period) of excessive absorption. In these cases the letter B is the ...
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    URL: http://dx.doi.org/10.1038/173445b0
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  • 7
    Electronic Resource
    Electronic Resource
    Reduction in the Loss Factor of Certain Ceramics by Heat Treatment (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 447-447 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This suggested to me that it might be worth while to attempt to reduce the dielectric losses in steatite, forsterite and other ceramics by a prolonged heat treatment at a temperature well below the firing temperature of the ceramics. The heat treatment was chosen quite arbitrarily as 60 hr. at ...
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    URL: http://dx.doi.org/10.1038/173447a0
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  • 8
    Electronic Resource
    Electronic Resource
    Adsorption of Prostatic Phosphatase on Ion-exchange Resin (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 447-448 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the only case where an enzyme has been separated from a crude extract by the use of a column of 'IRC 50'2, the enzyme studied seems to be the only one to be adsorbed on the resin, while most of the other proteins pass right through the column. The fact that proteins often are not adsorbed on ...
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  • 9
    Electronic Resource
    Electronic Resource
    Radioautographic Studies of the Digestive Tracts of Rats injected with Inorganic Sulphate labelled with Sulphur-35 (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 448-449 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (1) Section, 50 n thick, of a mucus-secreting salivary gland from a 190-gm rat injected intraperitoneally 4 hr. previously with sodium sulphate labelled with sulphur-35 (approx. 2 c of sulphur-35 per gm. body-weight). Hsema-toxylin and eosin. (2) Corresponding contact radioautograph. Both x 80. (3) ...
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    URL: http://dx.doi.org/10.1038/173448a0
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  • 10
    Electronic Resource
    Electronic Resource
    Detection of Fingerprints by the Ninhydrin Reaction (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 449-450 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When handling a paper, a person may leave his fingerprints on it, depending on many factors such as physiological conditions, time of contact between the fingers and the paper and other unpredictable circumstances. A spontaneous fingerprint contains 98-5-99-5 per cent water, the rest being organic ...
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    URL: http://dx.doi.org/10.1038/173449a0
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  • 11
    Electronic Resource
    Electronic Resource
    Occurrence and Distribution of Sarcosine in the Rock Lobster (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 450-450 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We had previously considered this possibility, but had rejected it because the RF values of the unidentified amino-acid in phenol and butanol - acetic acid were appreciably different from the values reported for sarcosine in the literature2'3 and because it did not give the colour test with ...
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    URL: http://dx.doi.org/10.1038/173450a0
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  • 12
    Electronic Resource
    Electronic Resource
    Royal Society Lectures (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 385-385 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE following arrangements have been made for Royal Society Lectures during 1954 : Leeuwenhoek Lecture, by Prof. J. H. Quastel, professor of biochemistry, McGill University, Montreal, and director of the Research Institute, Montreal General Hospital, on "Soil Metabolism" (May 6) ; Croonian Lecture, ...
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    URL: http://dx.doi.org/10.1038/173385b0
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  • 13
    Electronic Resource
    Electronic Resource
    Announcements (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 385-385 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE essay subjects for this year's Endeavour prizes of the British Association for the Advancement of Science will be as follows : the upper atmosphere ; heat of the earth ; coal as a raw material; water supply ; the span of life ; and colour photography. Essays must be sent in by June 1 and must ...
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  • 14
    Electronic Resource
    Electronic Resource
    The Night Sky in March (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 385-385 
    Details
    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 March 5d. 03h. llm., TJ.T., and full moon on March 19d. 12h. 42m. The following conjunctions with the moon take place : March lid. 13h., Jupiter 3 S. ; March 23d. 02h., Saturn 8 N. ; March 26d. 15h., Mars 3 N. Mercury is in inferior conjunction on March 1, after which it is a ...
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  • 15
    Electronic Resource
    Electronic Resource
    Erratum (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 385-385 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the communication "Pigmentation of the Jellyfish, Pelagia noctiluca"(Nature, January 23, p. 169, par. 7, lines 8 and 9, for "but no pyrrole reaction on roasting' read "and a pyrrole reaction on ...
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  • 16
    Electronic Resource
    Electronic Resource
    Atomic Energy Research at Harwell (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 386-386 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Atomic Energy Research Establishment at Harwell is responsible for research into all the problems of atomic energy except those relating to atomic weapons, which are studied at the Armament Research Establishment under Sir William Penney at Aldermaston. The work at Harwell is mainly applied ...
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  • 17
    Electronic Resource
    Electronic Resource
    Microradiography and Autoradiography (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 387-388 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SYMPOSIUM on microradiography and auto-radiography was held on December 17, 1953, at the Institute of Physics, 47 Belgrave Square, London, by the Scientific and Technical Group of the Royal Photographic Society. Many modern scientific methods are intimately connected with photographic techniques, ...
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  • 18
    Electronic Resource
    Electronic Resource
    The Bose Institute, Calcutta (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 388-389 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE thirty-sixth anniversary meeting of the Bose JL Institute took place on November 30, 1953, when Dr. N. K. Bose, director, River Research Institute, delivered the sixteenth Acharya Jagadish Chandra Bose Memorial Lecture on "The Role of Silt and Sand in Multipurpose River Valley Projects". Dr. ...
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  • 19
    Electronic Resource
    Electronic Resource
    County Details of the Census of Woodlands, 1947–49 (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 389-389 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Forestry Commission Census Reports, Nos. 1 and 2, dealing respectively with the woods less than and more than five acres in extent (the latter including hedgerow and park timber) have already been reviewed in Nature (August 8, p. 240, and October 3, p. 616), and they have now been supplemented ...
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  • 20
    Electronic Resource
    Electronic Resource
    Oxidation of Phenyl-Hydrazines in the Presence of Oxyhæmoglobin and the Origin of Heinz Bodies in Erythrocytes (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 389-391 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE occurrence in phenylhydrazine (Ph.NH.NHa) poisoning of a haemolytic anaemia with Heinz inclusion bodies in the erythrocytes is well known. Such inclusions also form rapidly in normal erythrocytes on in vitro incubation at 37 with phenylhydrazine1. With destromatized oxyhaemoglobin solution and ...
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  • 21
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    The Periodic Table and its Applications (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 393-395 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE fundamental structural pattern of the periodic table of the elements is a network composed of two sets of lines corresponding respectively to periods and groups. This network is the result of the transformation of the linear array of. elements, arranged in order of their atomic numbers into a ...
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  • 22
    Electronic Resource
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    Influence of Temperature and Soil Water Content on the Seedling Blight of Maize (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 391-393 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN northern temperate climates, a serious problem in maize cultivation is that the growing season is usually too short to allow the grain to ripen1. It is therefore desirable to plant as early as possible. However, early plantings seldom give a good stand because in the germination phase the grains ...
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  • 23
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    Possible Existence of a Transition Point between β- and γ-Sulphur (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 400-401 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The existence of a point A at which the rates of transformation of p to a and of y to a are equal raises the interesting question as to whether there is a transition point between p- and y-sulphur at or near this temperature. This possibility is suggested by the following considerations. In certain ...
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  • 24
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    Rate of Milk Secretion in Dairy Cattle in the Intervals between Consecutive Milkings (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 404-405 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Early experiments designed to determine the rate of secretion of milk did not allow for variations in the amount of this residual milk, and it was assumed that the yield of milk obtained at a milking was a true measure of the amount secreted since the last milking. These experiments8'4 indicated ...
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  • 25
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    Low Niacin Concentration in the Breast Milk of Bantu Mothers on a High-Maize Diet (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 405-406 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To throw light on the subject, breast milks from four groups of mothers have been investigated: (1) Urban Bantu mothers in poor circumstances whose consumption of maize meal (90-100 per cent extraction) exceeded 1 lb. per diem, and supplied 65-85 per cent of total calories ; (2) Indian and ...
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  • 26
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    Formation of Enzymatically Active, Dialysable Fragments during Autodigestion of Pepsin (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 406-406 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In a typical experiment, 0-6 gm. Worthington crystalline pepsin is dissolved in 60 ml. 0-1 M sodium acetate buffer of pH 5-6. The solution is then incubated at 37 C. and 10-ml. samples are withdrawn at intervals of 12, 18, 24, 30, 36 and 48 hr. and quickly chilled to 5 C. A portion of each sample ...
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  • 27
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    Failure to Publish Scientific Results (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 410-410 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It seems that an example is furnished by some of the work carried out under the Colonial Research Council*. Under that Council is a committee dealing with insecticides which met first in January 1947. Since the report for 1948-49, that Committee has referred each year to experiments being done ...
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  • 28
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    Forthcoming Events (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 411-411 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (Meetings marked with an asterisk * are open to the public) Monday, March I ROYAL SOCIETY OP EDINBURGH (at 24 George Street, Edinburgh), at 4.30 p.m.-Prof. James Kendall, F.R.S.: "Humphry Davy and his Connections with Scotland". SOCIETY OF ENGINEERS (in the Apartments of the Geological ...
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  • 29
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    Appointments Vacant (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 411-412 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ASSISTANT LECTURER IN PHYSICS, and an ASSISTANT LECTURER IN THEORETICAL PHYSICS-The Registrar, King's College, Strand, London, W.C.2 (March 6). PRINCIPAL OF ERITH TECHNICAL COLLEGE-The Clerk to the ...
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  • 30
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    Scientific and Technical Man-Power in Britain (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 321-324 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN recent years it has been increasingly recognized that the research associations in Great Britain have an important part to play in technical and technological education. In part this arises out of the greater emphasis which has been placed on their function of securing the greater utilization by ...
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  • 31
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    Industrial Methods of Sterilization (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 333-334 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROBLEMS associated with "Industrial Methods of Sterilization" were discussed on January 13 at a symposium meeting in London organized jointly by the Society for Applied Bacteriology and the Microbiology Group of the Society of Chemical Industry. The first speaker, Dr. M. Ingram (Cambridge), ...
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  • 32
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    Prof. R. W. Wheldon (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 334-335 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. ROBERT WILLIAM WHELDON died on January 15, shortly after collapsing in his office in the School of Agriculture, King's College, Newcastle upon Tyne. His death is a severe loss to the University of Durham and to the many agricultural interests with which he was connected. He was widely known ...
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  • 33
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    Prof. H. Benndorf (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 335-335 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] DR. HANS BENNDORF, professor emeritus of physics in the University of Graz, Austria, died on February 11, 1953. He was born in 1870 at Zurich and was the son of the well-known archaeologist, Otto Benndorf. He studied mainly in Vienna, and he was appointed lecturer in the University there in 1899. ...
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    [Obituaries] (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 335-335 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] WE regret to announce the following deaths : Mr. A. Campbell, one of the original members of the staff of the National Physical Laboratory, on February 6, aged ninety-one. Prof. Kotaro Honda, formerly of the Tohoku Imperial University, known for his work on magnetism and in metallurgy, on ...
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    Organic Chemistry at Belfast: Prof. R. A. Raphael (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 336-336 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] DR. RALPH ALEXANDER RAPHAEL has been appointed to the recently created professorship in organic chemistry in The Queen's University, Belfast. Part of Dr. Raphael's schooldays were spent at Wesley College, Dublin. He graduated from the Imperial College of Science and Technology, London, in 1941 with ...
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    John Innes Horticultural Institution: New Director (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 336-336 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. K. S. DODDS, who has been appointed director of the John Innes Horticultural Institution, Bay-fordbury, Herts, in succession to Prof. C. I). Darlington, is a botanist with wide knowledge of economic plants and particular interests in the field of cytogenetics bearing on their evolution. After ...
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    American Association for the Advancement of Science: Awards (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 336-336 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Prize Committee of the American Association for the Advancement of Science announced during the recent annual meeting that the twenty-sixth Newcomb Cleveland Prize of 1,000 dollars had been awarded to Prof. Barry Commoner for his paper entitled "Studies on the Biosynthesis of Tobacco Mosaic ...
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    Water Pollution Research: Report for 1952 (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 343-343 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE report of the Director of Water Pollution Research and that of the Water Pollution Research Board are contained in an interesting publication entitled "Water Pollution Research 1952"*. It is not possible in a short notice to indicate all the interesting work that is being done on this ...
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    Aleurone Layer in Barley (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 344-344 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a comprehensive anatomical investigation of the aleurone layer in the cultivated barley, J. Sawicki (Polska Akademia Umiejetnosci,"No. 66, 1-59, pub. Krakow, 1952, with English summary) has examined 103 varieties, representing all the sub-species of Hordeum sativum collected in different parts ...
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    Forestry Commission in Scotland (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 344-345 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a small illustrated pamphlet entitled "The Forestry Commission in Scotland" (recently published by the Forestry Commission) it is stated that the history of forestry in Scotland is a long one. Shakespeare in "Macbeth", for example, brought the Birnam Woods to Dunsinane, a difficult military ...
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    Estimation of Zinc in Biological Specimens: Determination of Zinc-65 (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 348-349 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is evidence that zinc is necessary for animals and plants; but information about the physiological role of this metal is scant. The enzyme csCrbonic anhydrase, present in red blood cells and certain other tissues, contains zinc as an integral part of the protein molecule1; but little is known ...
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    Determination of Atomic Masses by the Pykno–X-Ray Method (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 345-346 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] IN a previous communication1 it was shown that the atomic masses of various chemical elements can be calculated with precision by means of the pykno-X-ray method, when the density and X-ray data of the crystalline solid have been measured at the same temperature. It is to be noted, however, that ...
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    Incorporation of 8-Azaguanine into Nucleic Acids (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 346-348 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 8-AZAGUANINE, which differs from guanine in having the carbon atom at position 8 replaced by nitrogen, inhibits the growth of certain bacteria, fungi, algae, protozoa, animal tumours, and some plant and animal viruses. Some evidence'has been presented1 that, in certain of these cases, 8-azaguanine ...
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    Protein Synthesis and Genetics (1954)
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    Nature 173 (1954), S. 350-351 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In Drosophila melanogaster, genie interaction has been demonstrated in the determination of antigenic specificity, a finding difficult to reconcile with the one gene - one protein hypothesis. In one series of isogenic stocks, interaction between at least three non-allelic loci is responsible for ...
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    Spawning Sites of Trout (1954)
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    Nature 173 (1954), S. 354-354 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] An interesting demonstration of the penetration of stream water into the sub-surface gravel was obtained by burying ripe ova, obtained by stripping a female trout, in the mound of gravel in the experimental tank, some 4 ft. distant from the inflow. A dilute suspension of spermatozoa from a ripe ...
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    Shadow Microscopy for Measurement of Height (1954)
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    Nature 173 (1954), S. 362-362 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] This problem has been investigated on a macroscopic scale, with lumps of coal and smooth weathered stones, 4-8 cm. in size. It was found that the best measure of height is given by SsinQ, where 6 is the shadow angle and S is the distance from the mid-length of a particle, measured in the direction ...
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    Spectrum Intensities and Radio Frequency Noise in a d.c. Hydrogen Arc (1954)
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    Nature 173 (1954), S. 361-362 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To minimize interference with a nearby ionospheric recorder working on 5-8 Mc./s., efforts were made to reduce the noise generation. A shunt capacity of 0 1 (JLF. was found to be effective; but its effect on the ultra-violet spectrum was marked. Fig. 1 shows two recordings of the spectrum of the ...
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    The Mechanisms of Organic Reactions (1954)
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    Nature 173 (1954), S. 278-279 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOUGH each monograph written by the holder A of a George Fisher Baker Non-Resident Lectureship in Chemistry at Cornell University is an eagerly awaited scientific publication, Prof. C. K. Ingold's volume arouses special interest, since it is a large and fully referenced treatise which gives the ...
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    Science and Religion (1954)
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    Nature 173 (1954), S. 279-279 
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    Notes: [Auszug] THE first volume of Dr. C. E. Raven's Gifford Lectures contains a survey of the work of the early naturalists, of its relation to other scientific studies and to the general climate of thought. This historical survey is made for a theological purpose. For Dr. Raven, 'natural theology' and 'natural ...
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    A Review of the Plant Kingdom (1954)
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    Nature 173 (1954), S. 279-280 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE title of Prof. Haupt's new book, while admittedly correct, is perhaps rather misleading, and plant taxonomy might have been a more appropriate title. It is a survey of the principal groups of the plant kingdom, all of which are dealt with from the point of view of structure, reproduction and ...
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    Physiology of the Algae (1954)
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    Nature 173 (1954), S. 280-280 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE extreme diversity among the algae has A presented a compelling challenge to the development of classical phycology based primarily upon studies of morphology, life-history, taxonomy and ecology. A few algae have been selected for the physiological study of cellular processes such as ...
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    Mr. Cecil Warburton: 100th Birthday (1954)
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    Nature 173 (1954), S. 289-289 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON February 6, Mr. Cecil Warburton celebrated his hundredth birthday. Mr. Warburton entered Christ's College, Cambridge, in 1876. He became a demonstrator in the School of Agriculture and in the Department of Zoology in the University, and later he was a member of the Quick Laboratory which ...
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    Fat from Fungi (1954)
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    Nature 173 (1954), S. 290-291 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IF fats are to be produced by the industrial utilization of moulds, cheap carbon sources such as cellulose waste and molasses must be considered. As sucrose is the major constituent of molasses, the first stage in the relevant investigations is to ascertain the behaviour of different moulds towards ...
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    Reproduction in Marsupials (1954)
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    Nature 173 (1954), S. 302-303 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RESEARCH on the problems of marsupial reproduction is at present in progress in this department. Several marsupial species are housed in the departmental enclosures; but so far systematic work, here briefly reported, has been limited to the Rottnest Island wallaby (Setonix brachyurus Quoy and ...
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    Paramagnetic Resonance in Neutron-Irradiated Diamond and Smoky Quartz (1954)
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    Nature 173 (1954), S. 439-440 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE nature of lattice defects in neutron-irradiated diamond is a problem of current interest. These defects are known to cause changes in some of the physical properties1 and give rise to a paramagnetic absorption spectrum. We have measured this spectrum in the temperature-range 20-290 K., using ...
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    Experimental Induction of Buds from Fern Leaf Primordia (1954)
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    Nature 173 (1954), S. 440-441 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENT comparative and experimental studies of leaf morphology have aroused a renewed interest in the relationship between leaves and buds. In the fern Dryopteris aristata, Wardlaw1'2 has shown that bud and leaf primordia are histologically identical, and that buds may be caused to develop at ...
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    Measurement of Length and Angle in Quantum Mechanics (1954)
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    Nature 173 (1954), S. 442-442 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The only answer I can find to the last question is this. Let rjci - 0 be the distance between the and the Ith carbon nucleus (k I). Let F be a symmetric function of the n (n - l)/2 variables r#, the value of F being equal to the biggest of its arguments. (This does not contradict its symmetry ; for ...
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    Diffraction Gratings in Immersion (1954)
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    Nature 173 (1954), S. 442-443 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 If we bring a piece of coverglass into optical contact with a plane grating with an immersion film (Fig. la), two kinds of spectra can be observed : one produced by the uncovered grating, as indicated by the dotted line, and the other produced by the 'immersion'-grating. These two spectra ...
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    Use of High Contrast in the Photography of Interference Fringes (1954)
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    Nature 173 (1954), S. 443-443 
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    Notes: [Auszug] For the case of infinite contrast, which is the only case in which the widths of dark and light fringes may be adequately denned, a curve relating black/ white ratio to exposure for a single photographic process may be obtained by considering the intersection of the curves I = sin2a? + A (light ...
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    Absenteeism of Workers in Small and Large Organizations (1954)
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    Nature 173 (1954), S. 383-383 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNDER the title "Size and Morale : Preliminary Study of Attendance at Work in Large and Small Units" (pp. 44; London: Acton Society Trust, 1953 ; 3s. 6cZ.), the Acton Society Trust has issued a report covering three inquiries : one in the coal industry, one in a large industrial group and one in a ...
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    Investigations in Physics published in Russian and other Slavonic Languages (1954)
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    Nature 173 (1954), S. 384-384 
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    Notes: [Auszug] AMONG the resolutions passed during the General Assembly of the International Union of Pure and Applied Physics held in Copenhagen during 1952 was a recommendation that action should be taken to publish papers reviewing the work done in various fields of experimental and theoretical physics and ...
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    Classification of Vegetation (1954)
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    Nature 173 (1954), S. 384-384 
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    Notes: [Auszug] IN a search for objective methods to be used in the classification of vegetation, D. W. Goodall (Austral. J. Bot., 1, 3, 435 ; 1953) has directed attention to the concept of fidelity as originally advanced by a Swiss school of. plant ecology. This idea is bound up with the concepts of ...
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    Radio Industry Council Premiums for Technical Writing (1954)
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    Nature 173 (1954), S. 384-384 
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    Notes: [Auszug] THE Radio Industry Council has awarded premiums of 25 guineas each for articles on radio published in the public technical press during 1953 as follows : G. G. Gouriet (spectrum equalization; Wireless Eng., May) ; A. W. Keen (triode transformation groups ; Wireless Eng., October) ; A. H. Beck and ...
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    South African National Committee on Geochronology (1954)
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    Nature 173 (1954), S. 384-384 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first meeting has recently been held of the South African Committee on Geochronology, a new body which is under the sponsorship of the South African Councilrfor Scientific and Industrial Research. The Committee has been formed "to take note of developments in this field in South Africa and ...
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    British Glaciological Society: Officers for 1954 (1954)
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    Nature 173 (1954), S. 384-384 
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    Notes: [Auszug] THE following have been elected officers of the British Glaciological Society for 1954 : President, G. Seligman; Vice-Presidents, Rt. Rev. W. L. S. Fleming, Bishop of Portsmouth, W. V. Lewis, K. Sandford and J. M. Wordie ; Chairman of the Committee, V. E. Fuchs ; Secretary, Mrs. H. Richardson (c/o ...
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    Oil and Colour Chemists' Association: Sixth Technical Trade Exhibition (1954)
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    Nature 173 (1954), S. 384-385 
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    Notes: [Auszug] OWING to war damage repair work being undertaken at the Borough Polytechnic, the Sixth Technical Trade Exhibition of the Oil and Colour Chemists' Association will not be held there, as in former years, but instead will be at the Royal Horticultural Society's Old Hall, Vincent Square, London, S.W.I, ...
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    Pile Production of Radioisotopes by Threshold Reactions (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 396-396 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A systematic survey of threshold reaction cross-sections for fission neutrons was carried out by Hughes, Spatz and Goldstein2 in 1946. Whereas the original purpose of the measurements was to investigate the shape of the fission neutron spectrum at high energies, the present well-known spectrum3 ...
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    Tidal Forces and the Formation of Hurricanes (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 397-397 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The first date given for each tropical storm in the years 1900-49 inclusive was taken from TannehiU's "Hurricanes" (eighth revised edition, Princeton University Press, 1952) and the frequencies noted for a number of intervals in the hurricane season. The results are shown in Table 1. Table 1 ...
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    Irradiation of Transistors (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 397-398 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During some irradiation experiments on commercial point-type transistors in the Harwell pile, we have found that if a transistor is given a radiation dose of about 1014 neutrons/sq. cm., the time of fall of collector current from the value limited as described above is decreased, with little or no ...
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    A Solid State Transformation in Tetra-acetyl- D -ribofuranose (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 398-398 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In a discussion with Dr. George B. Brown, of the Sloan-Kettering Institute for Cancer Research, New York, N.Y., it was suggested that X-ray data be taken for these two materials, even though a detailed structural analysis might not prove immediately to be feasible. Several months later, a single ...
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    Static Electrification of Petrols (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 398-399 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This general result is true (though the magnitude of the charges vary) for all the different brands of petrol tested and also for toluene. It is true whether the flow is steady or turbulent, and is unaffected by altering the materials of the tube. In fact, the same thing occurred when the mixture ...
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    A Rapid Gasometric Method of Analysis for ‘Reducing’ Sugars and Other Carbonyl Compounds (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 401-401 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Employing aqueous solutions of sodium borohydride for the reduction of 'reducing' sugars to the corresponding polyols, we have been able to carry out the rapid determination of reducing sugars at acidities of pH. 7 and higher. Sodium borohydride solution is standardized by measuring the volume of ...
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    Anatomy of Roots and Shoots of Brassica Campestris L. in Relation to Vernalization (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 407-408 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Radicle. The structure of the normal radicle and its vascular differentiation have already been described4. The following table presents a comparative study which shows that there is earlier initiation of differentiation of vascular elements in vernalized radicles. Shoot apices. A search for ...
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    Identification of the Genes for Maltose Fermentation in Saccharomyces diastaticus (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 409-409 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has been found2 that Saccharomyces diastaticus contains two maltase genes, one governing normal fast fermentation (MF) and one governing slow or delayed fermentation of maltose (Ms)* Prof. 0. Winge has very kindly made available four hybrid yeasts each of which is homozygous for one of the ...
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    Environmental Influences and the Maxillary Index in Anopheles gambiae (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 409-410 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These conclusions are of considerable epidemio-logical and practical importance ; but up to now it seems that critical attention has not been paid to the possibility that some of this morphological variation might be due to environmental influences. To explore this possibility the following ...
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    Reports and other Publications (1954)
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    Nature 173 (1954), S. 412-412 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland British Library of Political and Economic Science. (London School of Economics and Political Science : University of London.) Annual Report 1952/3. Pp. 20. (London : British Library of Political and Economic Science, 1953.) ...
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    The Study of Viruses (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 324-325 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the preface to this book, the first of a series which is expected to appear annually, the editors comment on the wide range of periodicals in which articles on viruses now appear. Their commendable aim is to avoid this scatter, at least of review articles ; but whether they will succeed only ...
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    Statistical Exercises (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 325-325 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GOOD exercises in statistics are hard to find. The essential statistical point is apt to get lost in arithmetical calculations or in pure mathematical analysis. Artificial examples lose that contact with reality which all statistical teachers try to maintain ; and examples from the real world ...
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    Zoological Record for 1951 (1954)
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    Nature 173 (1954), S. 325-326 
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    Notes: [Auszug] THE appearance in November 1953 of the eighty-eighth volume of the "Zoological Record" is a notable achievement, for the editor and recorders have at last reduced the delay in publication, caused by the War, to less than two years, thereby much increasing the usefulness of the "Record". Some idea ...
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    Natural History of Learned and Scientific Societies (1954)
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    Nature 173 (1954), S. 328-333 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR. aim in this study is not that of the historian but is prompted rather by the question whether it is possible to detect principles, preferably quantitative, underlying the formation and growth of human associations. There are several other reasons which make the study of the growth of ...
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    Scientific Requirements of Pakistan (1954)
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    Nature 173 (1954), S. 337-337 
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    Notes: [Auszug] AT the Sixth Pakistan Science Conference, held in Karachi during January 18-23, the presidential address was given by Dr. M. Raziuddin Siddiqi, vice-chancellor of the University of Peshawar, who chose as his subject "Scientific Research in the East". After referring to the fact that the early ...
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    Semiconductors: Conference in Amsterdam (1954)
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    Nature 173 (1954), S. 338-339 
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    Notes: [Auszug] THE Netherlands Physical Society, with the support of the International Union of Pure and Applied Physics and the United Nations Educational, Scientific and Cultural Organization, is organizing an international conference on semiconductors, to be held in Amsterdam during June 29-July 3. The ...
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    Nuffield Foundation Awards in Dentistry, Biology and the Social Sciences (1954)
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    Nature 173 (1954), S. 338-338 
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    Notes: [Auszug] THE Nuffield Foundation is offering a number of fellowships, scholarships and bursaries in the fields of dentistry, biology and social sciences as follows. The fellowships for dentistry are for persons, aged 25-35 years, with dental qualifications, to receive additional training in pure and applied ...
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    Tenth International Congress of Agricultural and Food Industries, Madrid (1954)
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    Nature 173 (1954), S. 339-339 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Tenth International Congress of Agricultural and Food Industries, arranged under the auspices of the International Commission of Agricultural Industries, will be held in Madrid during May 30-June 6. Besides reviews and discussions of a wide variety of general problems in world agriculture, food ...
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    Postgraduate Course at Salford on Chromatography (1954)
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    Nature 173 (1954), S. 339-339 
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    Notes: [Auszug] A POSTGRADUATE course on both the theory and practical aspects of chromatography will be held in the Royal Technical College, Salford, during September 13-17. The lecturers will include Drs. A. J. P. Martin and R. R. Porter (Medical Research Council), Dr. S. M. Partridge (Low Temperature Research ...
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    Announcements (1954)
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    Nature 173 (1954), S. 339-339 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Miss PHYLLIS BARCLAY-SMITH, secretary of the International Committee for Bird Preservation, has been awarded the Gold Medal of the Sveriges Djurskyddsforeningars Riksforbund in recognition of her work for bird protection and especially with regard to the prevention of oil pollution of the sea. The ...
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    Electron Microscopy Group of the Institute of Physics: Annual Conference (1954)
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    Nature 173 (1954), S. 340-341 
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    Notes: [Auszug] THE annual conference of the Electron Microscopy Group of the Institute of Physics was held in Birkbeck College, University of London, during November 10-11. The Group held its meetings in the lecture theatre of the Physics Department, and was welcomed by Prof. J. D. Bernal, head of the ...
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    Northern Section of the Philosophy of Science Group: Inaugural Meeting (1954)
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    Nature 173 (1954), S. 341-342 
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    Notes: [Auszug] AN inaugural meeting to constitute the Northern Section of the Philosophy of Science Group of the British Society for the History of Science was held in the Staff House, University of Manchester, on January 30, at 2.30 p.m. Despite the cold weather, which made travel difficult, it was attended by ...
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    British Gelatine and Glue Research Association: Research Panel Meeting (1954)
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    Nature 173 (1954), S. 342-342 
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    Notes: [Auszug] THE seventh meeting of the Research Panel of the British Gelatine and Glue Research Association was held at Beale's Restaurant, London, N.7, on November 26, with the director of research, Mr. A. G. Ward, in the chair. The meeting took the form of a symposium on soluble collagens, the salient ...
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    Arab Nations Science Congress in Alexandria (1954)
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    Nature 173 (1954), S. 342-343 
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    Notes: [Auszug] A SCIENCE congress for the Arab nations, i\. arranged by the Arab Nations Organization, was held in Alexandria, for the most part in the Faculty of Commerce of the University of Alexandria, during September 1-8, 1953, under the presidency of Prof. Mostafa Nazif, vice-rector of Ibrahim University, ...
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    The Cosmotron at the Brookhaven National Laboratory (1954)
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    Nature 173 (1954), S. 343-344 
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    Notes: [Auszug] VALUABLE information concerning nuclear forces and the properties of fundamental particles can be obtained from the study of the interaction of high-speed nucleons with nuclear matter and from the interaction of individual nucleons. The energies required for the production of the lighter iz -mesons ...
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    Breeding of Mice at −3° C. (1954)
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    Nature 173 (1954), S. 355-355 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two families of white mice, of the Strong A strain, have, in nine and ten months respectively, reached the third generation born and reared in the cold. Control families, derived from litter mates of the experimental mice, were kept at 10? and 20? C. respectively : these reached the fourth ...
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    A New Species of Freshwater Triclad belonging to the Genus Polycelis (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 354-355 
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    Notes: [Auszug] Below, the main species differences are set down, though the anatomy (E. H.-M.) and the chromosomal conditions (Y. M.) will be described soon, in full, elsewhere. Polycelis nigra (O. F. Miiller, 1773) has a short; rounded penis with two to three rows of chitinous spines around its opening. The ...
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    Occurrence of the Lancelet in Haifa Bay, Israel (1954)
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    Nature 173 (1954), S. 355-356 
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    Notes: [Auszug] At the station where the specimen was collected, the bottom is composed of gravel in which mollusc shells, bryozoan skeletons and corals are found, and it is in the vicinity of a sandy area interposed by rocks. Of the thirteen species of the genus Branchiostoma1, B. lanceolatum is the only one to ...
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    ABO Groups in Blood Platelets (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 356-356 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The following technique was used in the study. All glassware was coated with silicone to render it non-wettable. Disodium sequestrene was used as an anticoagulant. 'Triton W.R. 1339' 2 per cent1 was added to reduce irreversible clumping of the thrombo-cytes. Blood freshly drawn into siliconized ...
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    Hypoglycin A,B : Biologically Active Polypeptides from Blighia sapida (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 356-357 
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    Notes: [Auszug] We have found that the seed of the fruit contains two toxic polypeptides which we have named hypoglycin A and hypoglycin B. The ripe arillus, which is the common article of diet, contains a small concentration of hypoglycin A only. The unripe arillus contains a higher concentration of this ...
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    Genic Equilibrium of Microcythæmia in some Italian Districts (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 357-358 
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    Notes: [Auszug] From the data collected at that time it appeared that the phenomenon could be- explained mainly by the fact that Mm x Mm matings seemed to be more fertile than the others (see Table 2, ref. 1). Haldane (personal communication) has shown that this increase in fertility is insufficient to maintain ...
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    Electrophoretic Behaviour of Hyaluronidase (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 358-359 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present communication describes preliminary results of the fractionation of hyaluronidase preparations by filter-paper electrophoresis, in view of the special advantages of filter-paper electrophoresis for studying the enzymic properties of some proteins. The technique was essentially that of ...
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    Formation of Nitrite from Oximes and Hydroxylamine by Micro-organisms (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 358-358 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These results suggest that both hydroxylamine and pyruvic oxime may be converted to nitrite in these organisms by a similar path. They also suggest that this path may resemble that involved in the formation of nitrite from hydroxylamine in Nitrosomonas, where a mechanism of formation sensitive to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173358a0
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    Electronic Resource
    Electronic Resource
    Non-participation of Folic Acid in the Biosynthesis of Methyl Compounds from Precursors (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 359-360 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Adult mice (inbred Swiss strain) were rendered deficient in folic acid as before and divided into groups of four (see table) y receiving as supplements folic acid (10 y/mouse/day, orally) and/or methanol (1 mgm./mouse/day, intraperitoneally) with corresponding controls. On the eighth night from the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173359a0
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