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  • Nature Publishing Group  (18,001)
  • Cambridge University Press  (12,394)
  • American Institute of Physics (AIP)
  • 1975-1979  (30,395)
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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 776-776 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR〉 __ Having recently returned from working at the Institute of Vertebrate Palaeontology and Palaeoanthropology in Peking I would like to challenge Tilman Spengler's assertion (15 November, page224) that this was one of the institutes of the Chinese Academy of Sciences that "worked very well" ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 810-811 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Photometric measurements were made on the nights of 29,30 and 31 May 1979 UT, using the University of Hawaii 2,2-mtelescope on Mauna Kea. The 1.2-4.8 ?? observations employed an InSb detector and a 6 arc s diaphragm while the broadband 8-13 ?? observations used a gallium-doped germanium bolometer ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 811-813 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Most of the outer planets' satellites are located in the planetary magnetospheres. Io is unique: its interaction with the magnetosphere leads to radiation of 108 W in the decametric band10. The radiation is believed to be caused by unipolar generation of the electric current due to lo's movement ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 813-815 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 The UV spectrum of ?? as measured in 1978 with the orbital telescope IUE4. The surface of ??, even when covered with SO2 frost, probably does not have the same UV optical characteristics as pure SO2 frost obtained in the laboratory, as other materials are certainly present at the surface. ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 815-816 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The orbit of the Pioneer Venus spacecraft is inclined at 105 to the ecliptic plane with periapsis at a latitude of 17N and at an altitude of 150 km. This orbital geometry provides shock crossings principally at solar zenith angles of greater than 60. Figure 1 shows several recent shock crossings ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 817-818 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The basis of the photocatalytic reduction of dichromate is that the reaction is composed of the following two electrochemical processes; + 28T + 12e + + 14H2O Overall: (1) (2) (3) -115.8 kJ Although the overall reaction is thermodynamically feasible, dichromate is stable in aqueous acidic ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 818-820 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 O3 and CO source strengths (in molecules cm 2 s 1) Carbon monoxide Industrial CO emissions CO from methane oxidation Ozone From in situ production From stratospheric injection Northern Southern Hemisphere Hemisphere Ref. 19 xlO10 4 xlO10 7 4-8 xlO10 4-8 xlO10 5 ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 820-822 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Diagram of typical SOFAR propagation experiment. Fig. 2 Experimental track ot Project Kiwi One. designates receiver locations. Regions: *, eastern; --, central; western. Dynamic contours Although the South Pacific is the world's largest ocean, relatively little is known of its ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 778-780 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AMONG the autumn sights around Princeton are the V-shaped formations of Canada geese, Branta canadensis, honking across the sky in flights of up to 100 birds. It has often been suggested that the purpose of this tidy formation is to take advantage of aerodynamic efficiencies which can accrue to ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 780-780 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MYCORRHIZAL associations between plant roots and fungi are now known to be extremely common in nature. It is evident that such associations are symbiotic, both narties benefitting from the interaction. As Aar as the plant is concerned, the association may be very costly in terms of the loss of ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 780-780 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] M.A. Guyard claims to have discovered another new metal of the platinum group which he names uralium, from the Ural Mountains, whence the ore is procured. There have been quite a flood of similar announcements lately. We have now gallium, davyum, mosandrum, neptunium, decipium, phillipium, ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 781-784 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] XLIV Cold Spring Harbor Symposium on Quantitative Biology ‘Viral Oncogen’, 30 May-6 June 1979; and the ICRF 1979 Tumour Virus Meeting, 16-20 July, 1979, Cambridge. SIMIAN virus 40 (SV40) and its relative polyoma (which naturally infects mice) are small DNA viruses which have relatively ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 784-784 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ABSOLUTE speeds of the Earth's lithospheric plates are generally lower for those plates having the greater proportions of continents, higher for those plates having the lengthier subducting edges, and higher for those plates with the greater colatitudes. But can these generalisations be regarded as ...
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  • 14
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 784-784 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There is much more than the name of Cambridge to remind one of its namesake at home. Its quiet air of studious retirement, its quaint buildings and tree-shaded walks have much of the mother-country about them. One or two features of the place, however, are characteristically American. Thus in the ...
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  • 15
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 785-789 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] D/H ratios in the unequilibrated chondrite Chainpur range up to 9 × 10−4. Corresponding 17O contents are 1‰ higher than in other LL chondrites, with varying 18O contents. These results are discussed in terms of low temperature ...
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  • 16
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 790-793 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Key parameters for classifying iron meteorites into genetic groups are concentrations of Ga and Ge. Their taxonomic value results from the combination of very wide concentration ranges in iron meteorites as a whole, with very narrow concentration ranges in most individual groups. The very wide ...
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  • 17
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 793-797 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The successful operation of a photogalvanic cell for solar energy conversion requires that the illuminated electrode should discriminate between the two redox couples in solution. In the iron–thionine system the electrode must oxidise photogenerated leucothionine but not reduce the ...
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 797-801 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Protein products have now been identified which account for the entire coding capacity of the transposable element Tn3. Mutations in Tn3 have allowed us to map the genes encoding each of these peptides and to identify their role in transposition. We have found that only a single Tn3-encoded peptide ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 801-806 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fusions that bring lac gene expression under the control of transcriptional and translational signals within the Tn3 element have been used to identify and characterise a Tn3-encoded ‘transposase’ (Tnp) peptide of MW 100,000 essential f or transposition. The gene specifying this product ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 806-810 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The molecular structure of cytochrome c3 isolated from Desulfovibrio desulfuricans has been solved on the basis of its crystallographic determination at 2.5 Å resolution and of an essentially complete sequence. The molecule consists of a single polypeptide chain wrapped around a ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 878-880 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The crystallographic implications of combining hexagonal molecular packing1'19'25 with the necessity for intermolecular nxD staggers26' have been discussed28'29. Structures with regular D (and 4D) or 2D (and 3D) staggers in the three principal directions give rise to several types of ...
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  • 22
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 875-878 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Crystals of native hen egg white lysozyme (Sigma, lot L-6876) were grown by a vapour diffusion technique15. The crystals of lysozyme with the NAM-NAG-NAM(MGM) trisaccharide bound were grown by co-crystallisation from a solution of 8 mg of MGM and 15 mg lysozyme in 0.5 ml of 4% NaCl buffered with ...
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  • 23
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 880-882 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The model of Rodley et al2 is the only SBS structure for which detailed coordinates have been published. This model can be considered as most similar to the B conformation of DNA and Rodley et al. claim that it can account for patterns of the B type. The B conformation has been observed in both ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 882-882 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The authorship of the article 'Crust of oceanic affinity in Iceland', Nature 281, 347 (4 October) emerged incorrectly as a result of a misunderstanding between us and our typesetters on the telephone. It should have read: Scientific Party, Iceland Research Drilling Project (I. L. Gibson, ...
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  • 25
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 883-884 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH the same basic physical principles apply to cosmical magnetised plasmas as to those produced in the laboratory, very significant differences arise in their application. Trapping of plasma in the laboratory is carried out with magnetic fields anchored to rigid conductors, and the aim is to ...
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  • 26
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 661-661 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is not an entirely cheerful picture of science education at the secondary level which emerges from a report just published by Britain's Department of Education and Science (Aspects of Secondary Education in England: HMSO, £6.75). The Schools Inspectorate has been examining the performance ...
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  • 27
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 663-663 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the first major decision on potentially hazardous experiments requiring special permission under federal safety guidelines, the recombinant DNA advisory committee of the US National Institutes of Health has given its approval in principle for experiments to be carried out on foot and mouth ...
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  • 28
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 764-764 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE authors of this book have tried to relate economics to ecology. They attempt to set a price on the natural assets of the Earth, the Sun and wind, the soil and water, on minerals and, particularly, on wildlife. Their thesis is that by underestimating the cost of these resources and the way they ...
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  • 29
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 764-764 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book originates from the conference of the same title held at Argonne National Laboratory, 1973, and from subsequent graduate lecture courses. The presentation of material in the book assumes a familiarity with the phenomena of superconductivity although, perhaps reflecting its origins in a ...
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  • 30
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    Nature 282 (1979), S. 543-543 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HIGHER education and scholarship in Poland recently acquired an unusual and innovative institution - the Society for Academic Courses, better known by its nickname of the 'Flying University*. This society arranges lectures, seminars and discussions to satisfy the needs particularly of young ...
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  • 31
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 543-543 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Who runs Britain's science? A simple question capable of an exceedingly complex answer, so widely is science dispersed across the scene. But for university scientists and many others in specialist laboratories there is a relatively simple answer: the research councils, which fund individual ...
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  • 32
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 544-544 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A US congressional committee last week directed the National Aeronautics and Space Administration to impose a two-year delay on a joint solar research project with European scientists, the International Solar Polar Mission. The House Appropriations Subcommittee responsible for NASA's budget said ...
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  • 33
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 544-544 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Member countries of the United Nations remain sharply divided over the type of internal machinery that the UN should set up to help implement decisions reached by the Conference on Science and Technology for Development (UNCSTD) held in Vienna in August. At stake is the future of the Office of ...
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  • 34
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 545-545 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In its first significant vote on nuclear power since the Three Mile Island accident last March, the US House of Representatives last week rejected by 254 votes to 135 a proposal that the Nuclear Regulatory Commission be required to impose a six-month moratorium on issuing construction permits for ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 545-545 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Last week the director of NIH, Dr Donald Fredrickson, proposed in response to a recommendation from the Institute's Recombinant DNA Advisory Committee (RAC) that physical containment levels for virtually all experiments using the disabled K-12 strain of the bacterium Escherichia Coli should be ...
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  • 36
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    Nature 282 (1979), S. 546-546 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As PEP, the US rival to West Germany's PETRA electron-positron collider, approaches commissioning in the new year, PETRA physicists are concerned that PEP's likely higher event rate will eclipse the German machine. PETRA has faced problems of resonances in the machine as it accelerates from its ...
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    Nature 282 (1979), S. 547-547 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE rapid growth of the university system in the 1960s brought about a vast expansion in tenured staff usually by the recruitment of relatively young men and women taken from the normal supply of university graduates and not invariably of the highest quality. Many, if not most, of these remain ...
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  • 38
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    Nature 282 (1979), S. 548-548 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] US scientists increase estimates of fluorocarbon survival rates: Research workers with the National Oceanic and Atmospheric Administration have used air samples taken from a global network of monitoring stations to conclude that flourocarbons emitted from aerosols and other sources survive for at ...
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  • 39
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    Nature 282 (1979), S. 549-549 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BERUFSVERBOT is the denial of professional employment in the government service to persons of allegedly left-wing views. It affects West German universities and academic institutions because the funding of such bodies by the state means that their staff are "state employees ' ' - in the same ...
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  • 40
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    Nature 282 (1979), S. 676-676 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR over a century investigators have been fascinated by the mechanisms by which blood remains in a fluid state while circulating in vivo but forms a fibrin-platelet thrombus in vitro or in disease states. Current research directed at solving this problem was presented at the Vllth International ...
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  • 41
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    Nature 282 (1979), S. 553-553 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE subject of meat eating is one that entrances gourmets, repels vegetarians, and attracts anthropologists. It has fascinated physiologists ever since the experiments on the fistulated stomach of Alexis St Martin by William Beaumont.Something new happened recently: iit started in a restaurant in ...
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  • 42
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    Nature 282 (1979), S. 757-757 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FARMER REPLIES-The insertion of a varying 〈513C of fossil fuel CO2 (Fig. 1) in equation (2), as proposed by Mulholland, would alter the estimated decline in atmospheric d13C due to fossil fuel CO2 input (Fig. \b of ref 1) by 0.01%, from 0.28%〉 to 0.29% by 1940, 0.03%, from 0.35%, to 0.38%, by ...
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  • 43
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    Nature 282 (1979), S. 757-758 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] STELLWAGEN1 has compared oxidation-reduction potentials of seven haem proteins with respect to parameters of haem accessibility and polarity of the haem crevice calculated on the basis of known three-dimensional structures. One point, however, has been overlooked. Kassner2 presented a model not ...
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  • 44
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 758-758 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] STELLWAGEN REPLIES-Anzenbacher correctly points out that the Kassner proposal concerns the ?.?? resulting from complexation of haem by apoprotein without changing the nature of the axial ligands and suggests that the ? ? values for the haem octapeptide from cytochrome c having histidine in the ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 758-758 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE finding by Karmali et al.1 that 'chloroquine enhances Epstein-Barr virus expression' was of great concern to us as it implies that chloroquine, through its effect on the virus, might stimulate the development of Burkitt's lymphoma (BL). We are using chloroquine to suppress malaria in a child ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 758-758 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] KARMALI AND HORROBIN REPLY- We have reviewed our work carefully. The observations were made blind by three separate individuals and we stand by our findings. Minor differences of technique can lead to different results and we have no explanation for the discrepancy. We agree with Lenoir and Geser ...
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    Nature 282 (1979), S. 611-613 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During May and June 1977, we collected amplectant pairs of toads from several breeding congregations. Each pair was held in the laboratory in a separate 10-1 bucket, and most females oviposited in these buckets within 24 h. Each clutch of eggs was transferred to a separate aquarium, where tadpoles ...
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    Nature 282 (1979), S. 554-554 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR, - We are extremely disturbed about the case of the distinguished Soviet scientist, Professor Alexander Lerner, who for eight years has been incurring the displeasure of the Soviet authorities because he applied for permission to emigrate to Israel. Professor Lerner was Director of the ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 554-554 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-We write to correct some of the more grossly misleading impressions generated by the careless journalism of your article entitled "Can Yankee ingenuity keep US physics on tlhe ball?" (1 November, page 2). The reference to PEP as the machine expected to be the first to discover the Z" is ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 557-558 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN October the European Space Agency (ESA) sponsored a workshop on the subject of Fe II emission lines in stars and galaxies held at its Villafranca Satellite Tracking Station near Madrid, Spain - also known as VILSPA. It is from this station that ESA carries out its part in the operations of the ...
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    Nature 282 (1979), S. 558-559 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REINDEER and caribou (all species of Rangifer tarandus) occur wild and domesticated in the northern circumpolar countries, and have been introduced into the Southern Hemisphere on South Georgia. Reindeer and caribou live in a variety of different environments and the second international ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 559-560 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent announcement by Bondarenko etal. (Sov. Phys. JETPLett. 38,303; 1978) of a new measurement of the neutron half-life giving a value of 10.13 minutes instead of 10.61 minutes, serves as a reminder that this value is of fundamental cosmological importance. A further measurement of the ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 560-560 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE dominant theme at a recent conference on amorphous and liquid semiconductors*, was the hydrogenated amorphous silicon (a-Si:H) system. This is perhaps not too surprising in view of its possibilities as a device material, for example in solar cells (see News and Views 275, 93; 1978; 277, 85; ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 561-564 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] If the double QSO 0957 + 561 A, B is the result of gravitational lens actions by a massive galaxy, stars in its outer parts and close to the light paths may cause significant flux changes in one year. One star can split a QSO image into two to four images with angular separations of ...
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    Nature 282 (1979), S. 565-567 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Belts of relatively high flux correspond to zones of crust enriched in radioactive heat production to ∼15 km depth. The enrichments were introduced into the crust by granitic ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 650-651 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] After the Elmf edited by B. Clouston and K. Stansfield (Heinemann: London; £7.50) is described as both a requiem for the elm and a guide to the future care and improvement of the countryside. The first chapter, by Brian Clouston, describes the history of the elm in Britain with an emphasis on ...
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    [s.l.] : Nature Publishing Group
    Nature 282 (1979), S. 650-650 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Illustration taken from The Tree, published by Aurum Press (London, 1979; £9.95). The text, by novelist John Fowles, accompanies some beautiful photographs by FrankiHorvat. Fowles "explains the impact of nature on his own life, and warns urban 'civilized' man of the deeper and more subtle ...
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    Nature 282 (1979), S. 579-582 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Data are presented which suggest that there are unbound receptors for oestrogen in nuclei of the smooth muscle cells of the myometrium. A new model for the distribution of unbound receptors is proposed in which unbound receptor is in equilibrium, partitioned between nucleus and cytoplasm according ...
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    Nature 282 (1979), S. 582-586 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Until now the inierfer on-mediated 2′–5′ adenine oligonucleotide inhibitors (2–5A) of cell-free protein synthesis have not been detected in intact cells. Here we report their natural occurrence in interferon-treated, EMC virus-infected mouse L cells in amounts consistent ...
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    Nature 282 (1979), S. 587-589 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Figure 1 displays the time structure of the initial phase of the 5 March burst recorded on Venera 11 in the energy range 50-150 keV with a time resolution of 1/64 s. Note that all results obtained on Venera 11 and Venera 12 coincide completely. The burst has a very sharp onset. The initial, narrow ...
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    Nature 282 (1979), S. 589-591 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] The ?-ray observations are reported in the preceding letter2. Briefly, the salient features of the event include an extremely high peak flux (1.5 x 1(G3 erg (cm2 s)"1 above 30 keV), a rapid rise time (^0.25 ms, rf. 1), a decline to a flux level 102 times that of the peak within a second, followed ...
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    Nature 282 (1979), S. 594-596 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Measurements have been made on three ovens from different manufacturers; two were new domestic models currently on sale and the third was a larger commercial model that had been in service for 10 years and was coated with deposits of grease and grime. As it is unwise to operate the ovens without a ...
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    Nature 282 (1979), S. 623-625 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 125I-labelled porcine insulin (21.9 x IO7 c.p.m., specific activity 134 ? jxg"1) in the absence or co-injected presence of graduated amounts of unlabelled insulin, or structurally dissimilar polypeptides, ovine prolactin or bovine adrenocorti-cotropic hormone (ACTH), was injected intracardially ...
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    Nature 282 (1979), S. 655-656 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IF you want an excuse not to give your wife an opal for Christmas, you will find one in D. ElwelFs book: Man-Made Gemstones (Ellis: Chichester, UK; Wiley & Halstead: New York; £15), both natural and synthetic opals are porous, and serious cracking can occur if they are immersed in warm ...
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    Nature 282 (1979), S. 657-657 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Ancient Science of Geomancy: Man in Harmony with the Earth. By Nigel Pennick. Pp. 180. (Thames and Hudson: New York and London, 1979.) $16,95; £5,95. FOR those who believe that a proper understanding of our world can come only through the application of the scientific method - by ...
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    Nature 282 (1979), S. 656-656 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DISEASE has always haunted the human imagination. Leprosy, the black Death and other horrors have in turn stalked the misty frontiers of the collective unconscious. As the lethal epidemic diseases recede into history the archetypal phobias of Western Society are shifting their attention to cancer. ...
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    Nature 282 (1979), S. 507-509 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this system, tumour cell attachment to concanavalin A-coated plastic surfaces, mediated by a cell-surface carbo-hydrate-concanavalin A receptor interaction, has been used to mimic some features of the complex interactions to be expected during development. Tumour cells are useful because of ...
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    Nature 282 (1979), S. 509-511 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] P388Di cells were used7. This was continuous line derived from a methyl cholanthrene-induced mouse tumour, which shows a number of macrophage characteristics, for example macrophage-like morphology, immune phagocytosis, Fc and C3 receptors, production of lysozyme, effector functions in ...
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    Nature 282 (1979), S. 511-513