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  • Wiley-Blackwell  (5,428)
  • Nature Publishing Group  (5,378)
  • International Union of Crystallography (IUCr)  (455)
  • MDPI Publishing
  • 1970-1974
  • 1965-1969  (11,261)
  • 1967  (11,261)
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  • 1970-1974
  • 1965-1969  (11,261)
Year
  • 101
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    Electronic Resource
    Degradation of Human Serum Proteins in the Digestive Tract of Mosquitoes (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1193-1194 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When mosquitoes are killed shortly after ingestion of blood, serum proteins can easily be demonstrated in the stomach by the occurrence of specific precipitation in agar gel. Precipitin reactions, however, become progressively less obvious the longer the time-lapse between feeding and death, and ...
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    URL: http://dx.doi.org/10.1038/2151193a0
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  • 102
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    Concentrations of RNA in the Brain during Oestrus in the Deermouse (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1195-1196 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With this in mind, we have analysed the hypothalamus, amygdala and frontal cortex of adult female deermice (Peromyscus maniculatus bairdii) for total RNA content during dioestrous, pro-oestrous and oestrous stages of the oestrous cycle. Vaginal smears were made daily to determine the stage of ...
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    URL: http://dx.doi.org/10.1038/2151195a0
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  • 103
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    Circular Dichroism of Rhodopsin and Isorhodopsin (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1197-1199 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A digitonin extract of cattle rhodopsin was prepared by the usual procedures2 (outer segments of rod were hardened with potassium alum, freeze dried, washed with light petroleum ether and extracted with 2 per cent aqueous digitonin). The E400/E500 and E278/E500 of the extracts were 0.22 and 2.5. ...
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  • 104
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    Reaction Sequence of Blood Coagulation (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1201-1202 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The prothrombin converting activity (prothrombinase activity) was first thought to be exerted by activated factor V (ref. 1). As the result of further work it now seems that the prothrombinase activity is displayed by a complex of activated factor X (f.Xa), calcium ions (II) and factor V (f.V) ...
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  • 105
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    Quinoid Secretions in Grain and Flour Beetles (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 939-940 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Quinoid secretions are found to have an unexpectedly wide distribution in tenebrionid insects which live on stored food. The seventeen species involved include the common grain, flour and fungus ...
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    URL: http://dx.doi.org/10.1038/215939a0
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  • 106
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    Isolating Lunar Materials (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 944-945 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Eleven Hawaiian rock specimens (listed in Table 1) were prepared in four ranges of grain size centring on 160µ, 83µ, 62µ and 26µ, respectively. Of these, the specimens GF/H/u9 and GF/H/u2 were processed from the original specimens GF/H/9 and GF/H/2 by melting them in a ...
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    URL: http://dx.doi.org/10.1038/215944a0
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  • 107
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    Mechanism for Anomalous OH Emission from H II Regions (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 942-943 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A realistic region for OH formation is in the pressure wave immediately ahead of a D-type ionization front. Kaplan7 has shown that the density here can rise to about forty times the mean density and the temperature increase to a value of about 1,000 K in comparison with the 100 K for the neutral ...
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    URL: http://dx.doi.org/10.1038/215942a0
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  • 108
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    Critique of the “Clark Effect” (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 943-944 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Clark's method makes use of the fact that the right-handed and left-handed circularly polarized components of 21 cm radiation have different indexes of refraction in hydrogen gas embedded in a magnetic field, as a result of the different effects of the 1s triplet excited states on the resonant ...
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  • 109
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    Measurement of Ionization Potentials from Contact Charge Transfer Spectra (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 949-950 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The absorption spectra of a wide range of electron donors with oxygen dissolved in chloroform under 120 atmospheres has been measured in an apparatus essentially the same as that described by Evans4. The absorption spectra of the charge transfer complexes with chloranil in carbon tetrachloride have ...
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    URL: http://dx.doi.org/10.1038/215949a0
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  • 110
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    Isotopic Ages from the Pegmatite Provinces of Eastern Brazil (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 948-949 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The basement gneisses are cut by coarse pegmatite veins which are intruded as part of the late stage igneous activity associated with the orogenies. Samples of micas were collected from the pegmatites by one of us (H. E.) and sent to Cambridge for potassium?argon analysis. The potassium content of ...
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  • 111
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    Scanning Ion Microscopy and Ion Beam Micro-machining (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 950-952 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Much larger beams of 100 µm and above have been used in ion-bombardment sources in mass spectrometers4?8 and by Kanaya et al.9 for ion beam machining. One of us has discussed the possibility of obtaining a useful current of rare gas ions in a beam of the order of 1 ?m in diameter10 and ...
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  • 112
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    Tensile Strength of Granular Materials (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 952-953 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The approach may be used, however, to determine the number of particles involved in the rupture and it may be assumed that these will be equally divided between the two broken surfaces. Hence the number of particles P in each face is given by P = 3p^fl 7TD2 (2) where ? is the density of ...
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  • 113
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    Effect of Gases on the Electrical Conductivity of β-Carotene (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 956-957 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The methods of obtaining crystals of all trans ?-carotene and of making conductivity measurements have been previously described1. The studies reported here were confined to surface conductivity measurements in the ab plane of the crystal. 'Aquadag' was used throughout as the electrode material. ...
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  • 114
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    Glucose-phosphorylating Enzyme with High Km in Human Brain (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 959-960 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the tissues where it has been found, activities of glucokinase have been shown to be affected by fasting, post-natal development, insulin and alloxan diabetes1?3'8. The report9 that the human brain is sensitive to insulin, although the response is slower than that of peripheral tissues, led me ...
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  • 115
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    Tribology Catches On (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1019-1019 
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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 March 1966 a committee of the Department of Education published a report on "Tribology", which is the name it coined for the science of lubrication. The committee estimated that £500 million is being wasted each year by industry through lack of knowledge of the problems of lubrication in ...
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  • 116
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    Development and Aid (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1019-1020 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the annual report of the Overseas Development Institute, the director, Mr William Clark, describes 1967 as a difficult year for those who care about development. The economic difficulties that caused Britain to cut the aid budget also affected the institute's sponsor companies. The institute was ...
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  • 117
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    Much about Meteorites (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1020-1020 
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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] AN informative and attractive pamphlet Meteorites a concise account by Dr A. A. Moss has just been published by the British Museum (Natural History) at 3s. There are, of course, several authoritative and expensive books on meteorites available to the specialist, but Dr Moss's pamphlet, giving as it ...
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  • 118
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    Butterflies Fluctuate (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1020-1021 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE has been some alarm about the declining populations of British butterflies such as the meadow brown, which in some places is reduced to one-third of its normal population. All grassland butterflies seem to be rarer this year than previously, but it is not yet certain whether this is more than ...
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  • 119
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    Chinese Fry (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1021-1021 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE white amur or grass carp occurs naturally in the rivers of Siberia and China, but it has been introduced into most of Asia where, raised in stews, it is an important commercial fish and source of protein. Unfortunately the fish do not reproduce naturally in southern latitudes. Much of ...
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  • 120
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    New Looks at Disulphide Bonds (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1022-1022 
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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] DISULPHIDE bonds are known to play an important part in maintaining the conformation of those proteins the great majority in which they occur. When the disulphide bonds of a protein are in the reduced (broken) state, they must be reoxidized before the native conformation can be regained. It is also ...
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  • 121
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    Effects of the Numbers and Sizes of Platelet Aggregates on the Optical Density of Plasma (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1027-1029 
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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 formation of platelet aggregates in plasma affects its optical density. The relationship between the optical density and the numbers and sizes of aggregates has been ...
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  • 122
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    Carbon Isotope Fractionation in the System CO 2 (gas)—CO 2 (aqueous)—HCO 3 − (aqueous) (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1033-1035 
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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] Carbon isotope fractionation between gaseous carbon dioxide and aqueous bicarbonate decreases from 9.2 to 6.8 parts per thousand over the temperature range 0°–30° C. This fractionation occurs in the hydration stage, not in the passage of atmospheric carbon dioxide through the ...
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  • 123
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    Isotropic Gamma-ray Intensity in an Expanding Universe (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1035-1038 
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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 intensities of isotropic gamma-rays produced by the inverse Compton process in an expanding universe are calculated, including the effect of red-shift on the radiation field. The results may give information concerning the universal black-body radiation field and the intergalactic electron flux ...
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  • 124
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    Nature of the Scrapie Agent (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1041-1043 
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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] There is evidence to suggest that the infectious disease scrapie is caused by an agent which does not depend on a nucleic acid for its ability to replicate. In the first of the two following articles it is suggested that scrapie can best be considered to arise from a replicable change in the ...
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  • 125
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    Possible Dietary Factors in the Aetiology of Chronic Murine Pneumonia, Nephrosis and Peri-arteritis (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 976-978 
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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 therefore seems possible that factors, other than "specific pathogens", may be concerned in the chronic diseases of laboratory rats. Some authors2,6,7 have remarked on the relation of diet to these diseases; the only pattern which these reports suggested to us is a somewhat lesser incidence of ...
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  • 126
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    Plasma Resonances of the Magnetosphere (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1048-1050 
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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 practice there are considerable departures from axial symmetry in the magnetosphere and so there arises the question of whether it is possible to observe anything which approximates to axially symmetric resonant modes. The vast amount of rather confusing and often contradictory information in ...
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  • 127
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    Rotational Speed of the Upper Atmosphere : an Increase with Height above 200 km (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1048-1048 
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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] Recently we completed an analysis of the changes in the orbital inclinations of the following nine satellites: 1962β, 1962β1, 2, 5 and 6, 196595B, and 196651A, B and C. Their inclinations range between 49 and 90, and the heights to which the values of L apply, taken as half a scale height above the ...
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  • 128
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    Radio Anomalies associated with an Ephemeral Satellite still in Orbit (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1050-1052 
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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 in January 1961 I listened to the high frequency time signals of CHU (Ottawa, Canada) on 7.33 Mc/s at Pacific Palisades, California. Occasionally, for periods of 30 min and more the signal, usually weak at my location, was strong enough not to require an external antenna. To examine this ...
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  • 129
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    Effect of Pressure on the Viscosity of Water (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1053-1054 
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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] Home and Johnson1 have recently published results obtained with a rolling-ball viscometer in the range 12,000 kg/cm2 and in the temperature range 2 to 20 C. The results disagree with the low temperature measurements of Bett and Cappi2. While Cappi's results suggest that the rate at which the ...
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  • 130
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    “The Advancement of Science” (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1055-1055 
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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] CONVENTION has often required, in recent years, that people should shake their heads with regret and a little scorn at the supposed incomprehensibility of modern science. "Science is fragmented", the saying goes. One way and another there is a widespread belief that the condition of science was ...
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  • 131
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    Radio-Astronomy: Smaller Quasars (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1057-1057 
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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 radio sources which are quasars are distinguished from other radio sources in the sky by their small angular diameter. The precise measurement of an extremely small radio source requires a radiotelescope of great size operating as an interferometer, and techniques for doing this have been ...
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  • 132
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    Stimulation of the Sodium Pump in Frog Bladder by Oxytocin (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 992-993 
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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 aim of the present investigation is to show that whatever the character of sodium transport across the mucosal border and the action of the neurohypophyseal hormone on this transport, it is certain that the hormone directly stimulates the expulsion of sodium ions from the epithelial cells. In ...
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  • 133
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    Changes in Plasmalogen Content of Human Heart and Skeletal Muscle with Age and Development (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 993-994 
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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] Specimens of mature and foetal human heart and skeletal muscle were frozen in liquid nitrogen and crushed into a pellet which was then extracted by homogenizing with chloroform?methanol (2 : 1). The resultant extract after treatment with chloroform-methanol (2:1) containing 4 per cent water to ...
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    Elimination of Ribosomes during Meiotic Prophase (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 997-999 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Changes in UNA content and composition and in ribo-some populations have been studied in the meiocytes of two liliaceous species, Lilium henryi and Trillium erectum. For the direct determination of the quantity and base composition of meiocyte UNA, the ultramicrochemical methods of Edstrom were ...
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    How Big is China? (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 801-802 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] How soon will China be a nuclear power to be reckoned with ? The prophecies which the Joint Committee on Atomic Energy has been making about the development of nuclear weapons and missiles in mainland China (see page 805) are sobering but not much of a surprise. For a decade now, Chinese statesmen ...
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    Unfinished Business (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 803-803 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE disappearance of the British Parliament on vacation has left several important issues in abeyance. By the time the political season begins again, and certainly by the time that Parliament reassembles in October, a great many tasks will need urgently to be attended to. In science and technology, ...
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    Cheap Digs for Students (1967)
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    Nature 215 (1967), S. 803-804 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE University of Lancaster is going ahead with a scheme for cheap student accommodation that may prove a model for universities in the future. In its new building, to be completed in 1969, there will be no large communal rooms, but only self-contained flatlets. Each of these will house ten or ...
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    Computers for Columbia (1967)
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    Nature 215 (1967), S. 804-804 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SCHEME for permitting access to the computers being used at Columbia University from the offices of individuals making use of them is to be carried out by 1969. Altogether, the university is planning to spend 3 million on the provision of 200 access points scattered around the Columbia campuses. ...
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    Air Fares Go Up (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 804-804 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM September, air fares in Britain are to rise between 11 and 15 per cent. The Air Transport Licensing Board last approved an increase of fares in April 1966 so that this second fare rise within eighteen months has caused a certain amount of comment. Comparisons are often made between the costs ...
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    No Diagnosis, No Cure (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 806-806 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING its twenty year life, the British National Health Service has often been criticized. Usually criticism has been directed at the service, rather than the doctors and nurses who make it up. Recently this unwritten rule has been broken by a book, Sans Everything, compiled by an organization ...
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    Merger for Engineers? (1967)
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    Nature 215 (1967), S. 806-806 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Institution of Mechanical Engineers and the Institution of Heating and Ventilating Engineers are considering the possibility of a merger. The stimulus for the talks seems to have been the desire of the IHVE to join the Council of Engineering Institutions?for this a Royal Charter is necessary. ...
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    Immunochemistry Moves to Oxford (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 806-807 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A new Medical Research Council Unit for research into immunochemistry is to be set up at the University of Oxford, under the directorship of Professor R. R. Porter, FRS, who succeeds Sir Hans Krebs, FRS, as Whitley Professor of Biochemistry in the university in the coming academic year. The unit ...
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    Use of Tissue Culture to restore Immunological Competence to the Neonatally Thymectomized Mouse (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1085-1086 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Although mice thymectomized at or after 3 weeks of age grow normally and have a normal life span, most strains thymectomized at birth suffer from a wasting syndrome similar to that seen in graft-versus-host reactions in F1 hybrid mice injected with parental lymphoid cells. They grow normally for a ...
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    Loss of Neural Inductive Capacity of the Chick Primary Organizer by Treatment with Histone and its Restoration by Follicle-stimulating Hormone (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1089-1090 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The primary organizer of a chick primitive-streak embryo induces formation of secondary neural tissue when it is placed between the epiblast and hypoblast of a host embryo7. This phenomenon obviously consists of a derepression of specific genes, the derepression being produced by the inductor ...
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    Molecular Weight Isoenzymes of Arginine Kinase in the Mollusca and their Association with Muscle Function (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1092-1094 
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    Notes: [Auszug] The corresponding enzyme in invertebrates, arginine kinase, was originally thought to exist only as a monomer of molecular weight about 40,000 (refs. 57). More recently arginine kinases with a molecular weight of about 80,000 have been found among the annelids8 and echino-derms1,8. By comparison ...
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    Respiration of Air by the Primitive Fish Polypterus senegalus (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1096-1097 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The investigation reported here has been carried out to obtain further information regarding the histology and physiology of aerial respiration in this species. Fish were injected with coloured rubber latex, and examination of the lungs revealed that they are highly vascular (Figs. 1 and 2). ...
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    Relationship between Thymus and Hypophysis (1967)
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    Nature 215 (1967), S. 834-837 
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    Notes: [Auszug] Young adult mice injected with anti-hypophysis serum develop wasting disease such as after neonatal thymectomy and atrophy of the thymus. This and the finding of changes in the hypophysis after neonatal thymectomy suggest a relationship between the function of the hypophysis and that of the ...
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    Origin of Planetary Nebulae (1967)
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    Nature 215 (1967), S. 838-838 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Details of the structure of post horizontal branch stars, however, are now available from the work of Hayashi, Hoshi and Sugimoto3'4. They find that as the carbon?oxygen core grows in the centre of the star the luminosity increases up to 8 103 L. This is considerably brighter than the luminosity ...
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    PLANETARY SCIENCE Devitrification of Tektite Glass (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 839-841 
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    Notes: [Auszug] In order to study the devitrification of tektite glass, samples several cubic centimetres in volume were subjected to various heat treatments well below the liquidus temperature in an air atmosphere in an electric furnace. Only the outer skin of the glasses were subjected to air oxidation, and the ...
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    Molecular Orientation of Fibres by Polarized Internal Reflexion Spectroscopy (1967)
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    Nature 215 (1967), S. 844-844 
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    Notes: [Auszug] An internal reflexion attachment5 was designed for use with commercial, double-beam spectrophotometers. A trapezoidal germanium prism, providing twenty-one internal reflexions, is placed at a focal point in each beam. Prism holders apply a known and constant hydraulic pressure against the sample ...
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    Electrically Active Polyelectrolyte Membranes (1967)
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    Nature 215 (1967), S. 846-847 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The membranes are prepared by reacting a solution of polymeric acid with a polymeric base to give a polymeric salt at the interface. The polyacid, a 10 per cent solution of a co-polymer polyacrylic acid and acrylamide (80/20) in 0.15 normal sodium chloride, adjusted to pH 4.5 with sodium hydroxide, ...
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    Suppression of Natural Haemolysin Titre in Rabbits exposed Daily to Gamma Radiation (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 848-849 
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    Notes: [Auszug] Of the twenty-four New Zealand rabbits irradiated, eleven had received an injection of sheep red cells 1 yr before, but the other thirteen had not. The control group comprised thirty-eight non-irradiated rabbits of similar ages and backgrounds. Based on LiF dosimetry, the daily midline air exposure ...
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    Blocking of Potassium Currents by Pronase in Perfused Giant Axons (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 850-852 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Experiments reported here suggest that the hydrolytic activity of the enzyme pronase (Streptomyces griseus proteinase8) modify the protein structure of the axonal membrane and that this alteration causes a partial block of potassium currents without affecting sodium currents. The experiments were ...
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    Increase of Cerebral Catecholamines caused by 3,4-Dihydroxyphenylalanine after Inhibition of Peripheral Decarboxylase (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 852-853 
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    Notes: [Auszug] This communication shows that small doses of Ro 4.4602 markedly enhance the increase of cerebral catecholamines induced by 3,4-dihydroxyphenylalanine (DOPA) because of a selective inhibition of extracerebral decarboxylase. Male Wistar rats weighing 250?280 g, fasted for 16 h, were injected ...
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    Rennin and the Gastric Secretion of Normal Infants (1967)
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    Nature 215 (1967), S. 855-857 
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    Notes: [Auszug] Fig. 1. The action of crystalline pepsin (a) and crystalline rennin (b) on human whole casein. 0.1 ml. pepsin or rennin solution was added to 3 ml. 0.1 per cent casein in acetic acid-sodium acetate buffer (pH 5.65; 1 = 0.1) at room temperature. Added enzyme concentrations (percent): ,0.l; ...
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    Critical Closing Pressure in Blood Vessels (1967)
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    Nature 215 (1967), S. 858-858 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In 1951 Burton suggested that, for theoretical physical reasons, there must be a critical level of pressure for each small blood vessel below which the vessel becomes unstable and collapses, thus suddenly closing completely1. His concept of critical closing pressure was widely adopted and has been ...
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    Excretion of Hypoxanthine and Xanthine in a Genetic Disease of Purine Metabolism (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 859-860 
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    Notes: [Auszug] Patients with this disorder are characteristically mentally retarded, with athetoid cerebral palsy, and are prone to self-mutilation, usually by biting the lips and hands. They have consistent hyperuricaemia and markedly increased urinary excretion and turnover of uric acid in the urine. Rates of ...
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    Keeping Food Fresh (1967)
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    Nature 215 (1967), S. 1004-1004 
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    Notes: [Auszug] ALTHOUGH attractively turned out, this volume represents a classic example of a symposium publication which might have served a useful purpose had it been available within a reasonable time after the meeting it reports (September 16?17, 1965). As it is, it is limited to work done in the United ...
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    Life Under Control (1967)
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    Nature 215 (1967), S. 1004-1004 
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    Notes: [Auszug] THE most characteristic feature of living organisms is their capacity to adapt themselves, by means of regulatory responses, to a wide range of different circumstances. Until a generation ago many biologists ascribed this regulatory capacity to "vital" forces, not amenable to a mechanistic ...
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    Looking Down (1967)
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    Nature 215 (1967), S. 1006-1007 
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    Notes: [Auszug] IT would be very difficult to guess what topics are included in this book, for the subject could be approached in a number of ways according to the author's specialist interest. In general, the book covers some aspects of photogrammetry, air photo interpretation with special reference to geology, ...
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    Sociology for Students (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1007-1008 
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    Notes: [Auszug] THIS volume is intended as an introductory text for students of sociology at university level. It consists of eleven chapters by well known authorities, which cover the main areas of specialization within modern sociology. There is an introduction and a concluding chapter by the editor, who has ...
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    Find a Word (1967)
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    Nature 215 (1967), S. 1007-1007 
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    Notes: [Auszug] THIS dictionary calls itself a translators' dictionary and the translators envisaged are those working on scientific and technical texts. What is ideally demanded of such translators is a good working knowledge of the Russian language together with a working knowledge of the subject of the book or ...
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    Language by Computer (1967)
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    Nature 215 (1967), S. 1008-1009 
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    Notes: [Auszug] IN his preface Mr Hays defines computational linguistics as a body of techniques that make the computer an effective, workable tool for language processing; and towards the end of his book, on the subject of automatic translation, he writes, The problem is clearly one of engineering. Indeed it is ...
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    Early Astronomer (1967)
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    Nature 215 (1967), S. 1009-1009 
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    Notes: [Auszug] KEPLEH'S life and work present the most difficult problems of narrative and interpretation for a modern biographer. The work he did was strongly shaped by his personal and professional affairs, which were conducted in a provincial corner of Central Europe, then torn by religious dissension and ...
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    Dr. Carl Kenty (1967)
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    Nature 215 (1967), S. 1009-1009 
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    Notes: [Auszug] CARL KENTY, who died at his home in Cleveland Heights, Ohio, on June 10, was a research physicist with the General Electric Company for more than 30 years. With a B.Sc. from Dalhousie and a Ph.D. from Princeton he first worked at Princeton under K. T. Comptori on electron-positive ion ...
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    Erratum (1967)
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    Nature 215 (1967), S. 1010-1010 
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    Notes: [Auszug] In the leading article "Molecular Models" (Nature, 215, 802; 1967) the name Hodgkin was, of course, misspelt and should have been ...
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    Forthcoming Events (1967)
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    Nature 215 (1967), S. 1011-1011 
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    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 Wednesday, August 30-Wednesday, September 6 BRITISH ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE (at Leeds)- 129th Annual Meeting. Wednesday, August 30 At 7.30 p.m.-Lord Jackson of Burnley, F.R.S.: "Science, Technology and Society" ...
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    Reports and other Publications (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1011-1012 
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    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland Proceedings of the Royal Society. Series A: Mathematical and Physical Sciences. Vol. 299, No. 1456 (13 June 1967): A Discussion on Nonlinear Theory of Wave Propagation in Dispersive Systems. Organized by M. J. Lighthill. Pp. ...
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    Modest Clairvoyance (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 910-911 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE National Science Foundation has embarked on an interesting and possibly important experiment by setting out to forecast future expenditure on research and development in the United States (NationalPatterns of R and D Resources, NSF 677, Government Printing Office, $0.30). Much of the ...
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    Plans for Kensington (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 912-912 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE small area of London bounded by Kensington Gore, Cromwell Road and Queens Gate contains some of the most important museums and institutions in Britain. The Science, Natural History and Victoria and Albert Museums, Imperial College, the Royal Colleges of Art and Music and the Royal Albert Hall, ...
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    Clean Air at Harwell (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 912-913 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a report issued this week, the National Society for Clean Air urges the Ministry of Transport to fix limits for the contents of car and lorry exhausts. The report, "Air Pollution from Road Vehicles", states that although road and rail transport together use only one-tenth of the fuel consumed in ...
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    Atassi–Gandhi Sedimentation Coefficient and Molecular Weight Relationships (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 880-881 
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    Notes: [Auszug] This equation can be rearranged to a good approximation S = kM2/3 (2) or log S = log k + 2/3 log M (3) Fig. 1. Plot of log sedimentation constant against log molecular weight. The straight line represents the least squares fitted value. A parabolic least squares did not give a ...
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    Distribution of the Adrenaline-forming Enzyme in the Adrenal Gland of a Snake, Xenodon merremii (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 879-880 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The conversion of noradrenaline to adrenaline is catalysed by an enzyme, phenylethaiiolamine-N-methyl transferase (PNMT)3. In mammals almost all of this enzyme is found in the adrenal medulla, where its activity4 and synthesis5 are stimulated by the adrenocortical steroids which perfuse this organ ...
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    Effect of Epinephrine on Insulin Release in Man induced by Secretin (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 883-884 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the light of these investigations, Mclntyre et al. suggested that a gastrointestinal factor might allow the b-cell to discriminate between orally and intravenously administered glucose. Such a factor should initiate or augment the release of insulin from the pancreas, and its ability to ...
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    Concentration of Glucose in New Choroidal Cerebrospinal Fluid of the Rabbit (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 884-885 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The extent to which the choroid plexuses contribute to the maintenance of the deficiency of glucose was investigated by applying the enzyme method of Lowry et al.5 to its analysis in arterial plasma, a filtrate of plasma and new choroidal fluid sampled by the method of de Rouge -ment et al.6. ...
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    Enzyme Mechanism of Aminoacetone Metabolism by Micro-organisms (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 887-888 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Effect of the concentration of NAD on the formation of aminoacetone from L-threonine in the presence of 2-oxo acids or malate. Reaction mixtures contained 125 mmolar tris buffer (pH 8.5), 400 mmolar potassium chloride, 25 mmolar L-threonine, 2 mmolar 2-oxc-giutarate (O), oxaloacetate (D) or ...
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    Action of Thyrocalcitonin in the Teleost Fish Ictalurus melas (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 888-889 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We designed an experiment to examine the effects of increasingly large doses of the extract on serum calcium and phosphate. Twenty catfish were given randomly four treatments consisting of an acid saline (pH 4) control and three different doses of porcine thyrocalcitonin extract?0.2 ml., 0.5 ml. ...
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    Radio Source W 49 and Anomalous OH Emission (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 941-942 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 shows the results of the observations, presented as a contour diagram for the wavelength of 2.85 cm, and was produced from scans taken across the region, after corrections had been made for atmospheric refraction, for pointing accuracy of the telescope as determined from observations on the ...
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    ‘Viractin’ (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 893-893 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The ‘Viractin’ was an authentic sample used in earlier studies and was used in the manner and at the rate prescribed by Leach et al.1. Volunteer members of the staff were recruited and agreed to place impregnated pads in their bedrooms. Half of them (randomly selected) in ...
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    Stimulus Probability and Simple Reaction Time (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 895-896 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A metronome-uniselector unit produced a regular series of warning stimuli, each consisting of a brief flash from a 12V bulb placed at eye-level 1 m in front of the seated subject. Average response rate was held constant by adjusting the rate of presentation of warning stimuli inversely to P(s)?a ...
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    Relationship between Circadian Rhythm of Body Temperature and Introversion–Extraversion (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 896-897 
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    Notes: [Auszug] Using standard clinical thermometers the sub-lingual body temperatures of seventy-four young men were recorded twenty times during a single 24 h period, on two occasions separated by approximately 1 week. Read ings were taken hourly between 0700 and 2300 h, and two-hourly between 2300 and 0700 h ...
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    Visual World and Retinal Image (1967)
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    Nature 215 (1967), S. 900-901 
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    Notes: [Auszug] PERCEPTUAL adaptation in its simpler forms?adaptation to changes in brightness or loudness of stimuli, for example ?has long been familiar, and its physiological basis is beginning to be understood. The phenomenon turns up, however, in a remarkably wide range of more subtle forms, for which at ...
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    Biological Macromolecules (1967)
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    Nature 215 (1967), S. 901-901 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE editors of this symposium volume describe its aim as "an attempt to present the thinking and information available at several levels in the organized state of matter of importance to biologists". The eleven contributions vary very widely in meeting this aim. Interesting and stimulating as these ...
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    Adaptive Control (1967)
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    Nature 215 (1967), S. 903-903 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ?ADAPTIVE" is a word with different meanings for different people. During the past decade its use has become widespread among control engineers and many papers about adaptive control systems have appeared in the engineering literature. The proceedings of the 1965 Symposium on the "Theory of ...
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    Towards a Science of Matter (1967)
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    Nature 215 (1967), S. 904-905 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] No area of the history of science shows more interesting-changes at present than does the history of chemistry, as regards both the accumulation of new evidence and the reconsideration of interpretations. For example, we are radically revising our ideas about the role of atomic theory in ...
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    Erratum (1967)
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    Nature 215 (1967), S. 906-906 
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    Notes: [Auszug] In the communication entitled "Photochemical Oxidation of Neptunium(V) by Xenon Trioxide" (Nature, 215, 732; 1967) the first sentence of the second paragraph should read: "The neptunium(V) was prepared by solution of neptunium dioxide in concentrated perchloric acid and reduction of the resulting ...
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    Growth Hormone and Carbohydrate Metabolism in vitro (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 960-961 
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    Notes: [Auszug] Using methods similar to those of Manchester and Young5 we have observed that with diaphragm from hypophysectomized rats the addition in vitro of a much smaller amount of growth hormone than has previoxisly been used under such conditions significantly diminishes the glucose uptake (Table 1). The ...
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    Uptake of Steroid Hormones into Artificial Phospholipid/Cholesterol Membranes (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 964-964 
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    Notes: [Auszug] The lipids used in this study were egg lecithin, which was chromatographically purified, after which it runs as a single peak in chromatographic systems with a characteristic RF value; cholesterol, which was recrystallized from redistilled 'AnalaR' grade petroleum ether (40?60 C); and ...
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    Glucose Metabolism in Fat Cells stimulated by Insulin and dependent on Sodium (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 961-962 
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    Notes: [Auszug] Well-fed male mice 6-7 weeks old were used. The fat cells were isolated14 from epididymal fat pads and incubated in Krebs?Ringer bicarbonate buffer containing 3.5 per cent albumin and 2.5 mmolar glucose-U14C (40 µc./mmole). After 2 h the incorporation of the carbon of glucose into carbon ...
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    Phytohaemagglutinin and Cell Mediated Hypersensitivity Reactions in Rat (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 967-968 
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    Notes: [Auszug] We were impressed by the apparent similarity between the immunological status of patients with Hodgkin's disease, whose lymphocytes show increased DNA synthesis (Crowther, D., personal communication), and the reported in vitro action of PHA, which also causes increased DNA synthesis. It was ...
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    Hydroxyproline Indices (1967)
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    Nature 215 (1967), S. 968-968 
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    Notes: [Auszug] Whitehead5,6, wishing to use random samples of urine for his work rather than 24 h collections, and not knowing the exact ages of the children in which he was interested, (a) satisfied himself of the constancy of the ratio of hydroxyproline : creatinine during 24 h by testing many random samples ...
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    Effect of Azide and Oligomycin on the Transport of Calcium Ions in Corn Mitochondria (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 970-972 
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    Notes: [Auszug] The effect of azide on the partial reactions of phosphorylation, that is, the ATPase, the ATP?Pi and ATP?ADP exchange reactions, appear to be similar to that of oligomycin7?10. Wadkins and Lehninger9 suggested that both azide and oligomycin function by combining with a non-phosphorylated ...
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    Photodynamic Activity of 4-Nitroquinoline-l-oxide and Related Compounds (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 972-973 
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    Notes: [Auszug] Stock solutions of 4-KQO and of thirteen related compounds, nitroquinolines and hydroxyaminoquinolines (Table 1), were prepared freshly for each experiment at 1 mg/ml. concentrations in acetone or 95 per cent ethanol. Serial doubling dilutions of fresh aqueous suspensions were prepared over a range ...
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    Inhibition of ADP Phosphorylation by the Atractyloside of Yeast Respiratory Particles (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 975-975 
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    Notes: [Auszug] An experimental approach to this problem could be made by using yeast respiratory particles (damaged mitochondria prepared by disruption of yeast cells); these particles, in contrast to liver mitochondria, are able to utilize for the substrate-linked phosphorylation not only a-ketoglutarate, but ...
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    Translocation of DNA of Bacterial Origin in Lycopersicum esculentum by Ultracentrifugation in Caesium Chloride Gradient (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 975-976 
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    Notes: [Auszug] We used the tomato variety 'Tuckwood' treated in the following way. Apical shoots (5-9 cm) of adult plants with young leaves and without roots were dipped into a solution of Escherichia coli or Bacillus subtilis tritiated DNA for 6 h. They were then transferred to water for 48 h. The region dipped ...
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    Report of a New Site-specific Cleft Palate Teratogen (1967)
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    Nature 215 (1967), S. 980-981 
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    Notes: [Auszug] For example, Trasler1 produced a widespread embryopathy in mice, using acetylsalicylic acid; lesions included cleft palate, short snout, microcephaly, polydactyly and exencephaly. Larsson et al2 used sodium salicylate to produce cleft palate and other widespread teratogenic effects in mice. In ...
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    Timing of Sonoluminescence Flash (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 727-727 
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    Notes: [Auszug] Negishi2 has shown that light is emitted when the bubble volume is at a minimum, and this is taken to favour the second class of theories. It also appears, however, that individual cavitation bubbles may rebound or re-form for many cycles of the acoustic field3. In this case, it is not possible to ...
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    Short-range Dating of Fresh Nuclear Debris (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 728-729 
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    Notes: [Auszug] Fig. 1. Variation of ratio of 97Zr : 96Zr after the explosion. O Explosion on May 9, 1966; =, explosion on December 28, 1966. The determination of the activity ratio of a short-lived (1 day) to a relatively long-lived (10-100 days) fission product in a debris particle at a given time after a ...
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    Solubility of Cupric Oxide in Pure Water at Temperatures up to 550° C (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 730-730 
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    Notes: [Auszug] The solubility measurements were made by passing demineralized, distilled and de-aerated water, at the required temperature and pressure, through a packed bed of solute particles contained in an autoclave. To prevent carry-over of particulate material, the solution leaving the autoclave was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/215730a0
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    Electronic Resource
    Electronic Resource
    Photochemical Oxidation of Neptunium(V) by Xenon Trioxide (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 732-733 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The neptunium(V) solution was prepared by dissolving neptunium dioxide in concentrated perchloric acid and reduction of the resulting neptunium(VI) to neptun-ium(V) with hydrogen peroxide. After standing for about 2 weeks, the solution was heated in a boiling water bath to destroy any peroxide ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/215732a0
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