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  • Nature Publishing Group  (47,453)
  • American Institute of Physics (AIP)
  • 1980-1984  (17,607)
  • 1950-1954  (15,714)
  • 1945-1949  (14,132)
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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 106-106 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PERHAPS from a sense of neglect by Dr Robert Gallo's isolation of the causative agent of AIDS and the development of the basis for a blood test, Cellular Products Inc. of Buff alo, New York, sent out the day after Gallo's announcement a press release with the headline: "AIDS TEST AVAILABLE FROM ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 107-107 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS week sees the formation of yet another specialist venture capital company in Britain aiming to bring developments in biotechnology to commercial success. Plant Resources Ltd (PRL), set up with £500,000 of capital and backing from various institutional investors and a specialist US ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 107-107 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 12-Month 12-Month Company Close Close Change high low previous 30 April month 14 101/2 Biogen (Switzerland) 13 U3/4 -2 VA 2 1% Bio-Logicals (Canada) 1% P/4 + % 14% 10 % Bio-Response (USA) 11 13% + 2% 14 10'/4 Cetus ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 108-108 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR ? We have read the news item in Nature (1 March p.6) regarding the inability of Israeli scientists to attend the VIIth International Biotechnology Symposium. To put the record straight, the organizers did everything possible to help the scientists from Israel to attend the symposium. In fact, ...
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  • 5
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    Nature 309 (1984), S. 108-108 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR ? In Nature of 2 February (307, 408; 1984) you printed a letter from Dr J. Stefan Roken calling on scientists to boycott the International Biotechnology Symposium held in New Delhi in February, and calling for protests against the Indian Government for not permitting scientists from all ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 109-109 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHY is there, just now, so much interest in the foundations of quantum mechanics? The simplest explanation would be that the grand old men of quantum mechanics the young men of the mid-1920s are all now dead, so that the field is clear for a re-examination of the subject by a succeeding ...
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  • 7
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    Nature 309 (1984), S. 112-112 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHY are some assemblages of animals and plants richer in species than others? Answers to this question take various guises, but usually hinge on G.F. Cause's venerable 'competition exclusion principle'. In Gause's own words, ''as a result of competition two similar species scarcely ever occupy ...
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  • 8
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    Nature 309 (1984), S. 115-115 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has long been tempting to suppose that there is a correlation between changes in the Earth's magnetic field, whose origin lies in the Earth's core, and events at the Earth's surface, but there has been little convincing evidence of such a correlation (see refs 1 and 2 for a sceptical view). ...
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  • 9
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    Nature 309 (1984), S. 578-578 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR The key to considering science and technology in India lies in recognizing that India is trying to go through three revolutions simultaneously the agricultural (still incomplete), industrial and computer revolutions with a government that is democratic, a population less than half of which ...
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  • 10
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    Nature 309 (1984), S. 578-578 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR Readers of your survey are likely to conclude that most of what is good and worthy of its name in Indian science is so because (1 ) a director or a chairman or perhaps a minister knows and means his/her business; (2) they or their organizations have or at least had good overseas connections ...
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  • 11
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    Nature 309 (1984), S. 578-578 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR Your special issue on India provides a comprehensive account of accomplishments, failures and problems of science in India. The introductory note to the survey, however, contains the erroneous figure of 2.5 per cent as the annual rate of India's current population growth. The registration of ...
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  • 12
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    Nature 309 (1984), S. 119-126 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The field of quasi-one-dimensional organic metals has emerged over the past decade as one of the most dynamic and fruitful areas of research. These new materials have most unusual properties and great technological potential. They provide a unique meeting ground for organic chemists, physical ...
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  • 13
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    Nature 309 (1984), S. 135-138 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Over 20 years ago, Dungey8 suggested a model of the Earth's magnetosphere in which he proposed magnetic field reconnection as the major process coupling the magnetosphere to the solar wind and driving magnetospheric convection. Considerable indirect support for this model has subsequently been ...
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  • 14
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    Nature 309 (1984), S. 581-581 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY mathematicians think in pictures, and maintain that geometric ideas offer some of the most important insights in the subject. Others, who think in symbols, disagree. Be that as it may, a number of topics in the mainstream of current mathematical research have clear links to geometry. A recent ...
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  • 15
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    Nature 309 (1984), S. 581-581 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ST HELENA is probably best known as the oceanic island to which Napoleon was exiled. To biologists it is also known for its extinct flightless birds and remarkable endemic trees. It is also a classic example of the destruction of the biota of an oceanic island by man1; the introduction of goats and ...
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  • 16
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    Nature 309 (1984), S. 582-582 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DEVOTEES of the school that believes an occult virus is responsible for the induction of rheumatoid arthritis will have welcomed a recent article summarizing a three-year collaborative study undertaken in three USA centres on the identification of par-vovirus-like particles in synovial tissue from ...
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  • 17
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    Nature 309 (1984), S. 582-582 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PILE-DWELLINGS ON HILLTOPS AMONG the Miris, Singphus, Kamtis, Nogas, Mismis, and Deodhains that I have questioned as to the origin of the custom of building on piles, the answer is invariably that they do not know, that it is their tribal custom, &c. Pressed as to the advantages of it, or why ...
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  • 18
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    Nature 309 (1984), S. 583-583 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON page 589 of this issue of Nature, Haag et al. report a very nice example of the way in which zeolites can be used in the controlled catalysis of hydrocarbon cracking, which is best seen in the context of John Dwyer's brief but comprehensive overview of zeolites as acid catalysts in the 2 April ...
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  • 19
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    Nature 309 (1984), S. 583-584 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MUCH of the development of T lymphocytes takes place in the thymus, away from the melee in bone marrow where B lymphocytes and other haematopoietic cells differentiate side by side. What is the purpose of this convenient packaging? Is the thymus an inductive environment for switching the ...
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  • 20
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    Nature 309 (1984), S. 584-585 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR many years geodesists have examined evidence for the temporal changes in the Earth's global shape and gravity field. Confirmation that such changes occur on time scales of at least several years has now emerged from the observation of a secular acceleration O of the node O of the orbit of the ...
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  • 21
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    Nature 309 (1984), S. 585-587 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are two reasons for the exceptional concentration of research on the cellular myc proto-oncogene (c-myc). The first is historical. The chromosomal translocations characteristic of Burkitt's lym-phomas transfer c-myc from its normal context into an active immunoglobulin locus1, where it was ...
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  • 22
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    Nature 309 (1984), S. 588-588 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Howgate1 criticizes our interpretations2'3 of the homologies and morphology of the Archaeopteryx manus by distorting and misrepresenting our viewpoints. Palaeontologists have identified the digits of theropods, Archaeopteryx and birds as digits 1-2-3 of the primitive reptilian hand whereas ...
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  • 23
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    Nature 309 (1984), S. 588-588 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Peter Fellgett raises an interesting suggestion1 that the study of cybernetic feedback loops throws light on the redundant (multiple copy) nature of functional genes and hence places the evolution of this phenomenon within the rubric of Darwinian natural selection. His proposition is that ...
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  • 24
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    Nature 309 (1984), S. 589-591 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The availability of solid acidic catalysts based on zeolite ZSM-5 make possible observations on the nature and the absolute rate behaviour of the individual protonic sites. Tetrahedral aluminium atoms are the highly reactive ingredients, even at levels of parts per million, or less. Turnover ...
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  • 25
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    Nature 309 (1984), S. 189-190 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mathematics Advances in Fuzzy Sets, Possibility Theory, and Applications. P.P. WANG (d.). Plenum: 1983. Pp.42L IBN 0-306-41390-6. $55. A Biologist's Basic Mathematics. By D.R. CAUSTON.Edward Arnold: 1983. Pp.216. PbklSBN 0-7131-2879-8. £7.50. Developments in Statistics, Vol. 4. P.R. ...
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  • 26
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    Nature 309 (1984), S. 3-3 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington THE militarization of space may yet become a significant issue in November's presidential election in the United States. For the first time, Mr Walter Mondale, the Democratic front-runner, last week promised to order a freeze on space weapons if he is elected President. In Congress, ...
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  • 27
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    Nature 309 (1984), S. 592-597 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our previous studies of a translocated c-myc gene in the Raji Burkitt's lymphoma cell showed somatic mutations in exons 1 and 2. We have extended these observations to two other translocated c-myc genes and find a common occurrence of mutation in the noncoding exon 1. We also found that in ...
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  • 28
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    Nature 309 (1984), S. 600-602 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The object F-71 (a1950 = 20h 14.8 min, ?1950 =-57 43') from FairalFs list3 of compact galaxies appears as an almost circular galaxy of approximate magnitude 16 mag on the European Southern Observatory (ESO) Quick Blue Survey plate. Towards the north-east of the object a starlike companion is ...
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  • 29
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    Nature 309 (1984), S. 602-604 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As a result of the slow rotation of Venus, its nightside atmosphere is not subjected to a photoionization effect; however, spaceprobes to Venus have found that it has a very dynamic and sizeable nightside ionosphere1'2. Its maintenance has been suggested to result from impact ionization by ...
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  • 30
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    Nature 309 (1984), S. 607-608 
    ISSN: 1476-4687
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    Notes: [Auszug] The four-connected three-dimensional net number 39 was obtained4 from a stack of 4.82 three-connected two-dimensional nets by addition of alternating upward and downward branches. Figure la uses absence or presence of a dot at each three-connected node of the horizontal two-dimensional net to ...
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    Notes: [Auszug] Loewenstein's rule4 states that during the isomorphous substitution of Si by Al, occupancy of adjacent tetrahedral sites by Al is avoided. An early X-ray crystallographic study1 of Si-Al ordering in the archetypical 2:1 mica muscovite has ted to a model in which the Al centres are arranged in ...
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    Nature 309 (1984), S. 608-611 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Spiropyrans of the general formula A (R-CH3O, n C6H13O, CN, see below) were synthesized by a process that will be described elsewhere. The structures and purities (〉 99%) of the spiropyrans were established by chemical analysis, NMR and mass-spectroscopy. The colour changes of these materials ...
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    Nature 309 (1984), S. 18-18 
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    Notes: [Auszug] HAEMOGLOBIN is not the only way to transport oxygen in a circulatory system. Some invertebrate phyla use altogether different proteins to serve this function. These include the haemerythrins, utilized by sipunculids, brachiopods and a few other invertebrates, and the haemocyanins, found in a wide ...
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    Nature 309 (1984), S. 19-22 
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    Notes: [Auszug] We propose that komatiite lavas were emplaced as turbulent flows, accompanied by vigorous forced convection with cooling rates often in excess of hundreds of °C h−1. They melted and assimilated up to 10% of the ground over which they flowed, forming deep channels. Nickel ...
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  • 35
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    Notes: [Auszug] For the first time, the three-dimensional structure of a member of the copper-containing class of oxygen-carrying proteins—the haemocyanins—has been determined. The structure of Panulirus interruptus haemocyanin at 3.2 Å resolution shows that each subunit of the 450,000-molecular ...
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    Nature 309 (1984), S. 37-38 
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    Notes: [Auszug] One of the most fundamental questions in cosmology is the question of the existence of antimatter in significant quantities in the Universe. Does antimatter have an equal role with matter in the makeup of the galaxies? This question has now become one of fundamental importance to physics also. In ...
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    Nature 309 (1984), S. 45-47 
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    Notes: [Auszug] Crystals of basic/nitrate cancrinite4"7 were selected from a hydrothermal crystallization batch (F. W. Webster and E. A. D. White, unpublished) that contained specimens ranging in size from several micrometres up to millimetres. Cancrinite is a typical zeolite with an open structure built of atoms ...
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    Nature 309 (1984), S. 51-54 
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    Notes: [Auszug] In October and November 1981, the joint US-Soviet Weddell Polynya Expedition aboard Mikhail Somov penetrated several hundred kilometres into the seasonal pack ice covering the eastern Weddell Sea, roughly along the Greenwich meridian. Preliminary results, including a description of the hydrographie ...
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  • 39
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    Nature 309 (1984), S. 59-61 
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    Notes: [Auszug] LDV (a strain received from Dr K. E. K. Rowson), in the form of serum taken 24 h after intraperitoneal (i.p.) infection of mice, was added to resident peritoneal macrophages of GDI mice. Infected (antigen-containing) cells were scored by fluorescent antibody staining 10 h later. As the multiplicity ...
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  • 40
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    Nature 309 (1984), S. 66-68 
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    Notes: [Auszug] An increase in [Ca2+]i has previously been shown to induce 14C-serotonin secretion from permeabilized platelets19. Addition of thrombin or a synthetic activator of protein kinase C such as OAG20 or TPA21'22, increases the sensitivity of the secretory response to Ca2+ by shifting the dose-response ...
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    Nature 309 (1984), S. 73-76 
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    Notes: [Auszug] Subgroups I-III (refs 10, 11), and IV (rf. 12) were defined on the basis of the amino acid sequences of ?-type Bence-Jones and myeloma proteins. All human ? chains now known fit into this classification6. Recently, it has become clear that both a number of germ-line VK genes and somatic processes, ...
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  • 42
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    Nature 309 (1984), S. 78-82 
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    Notes: [Auszug] A hybrid cosmid library was made that encompasses the viral genome within six fragments (see Fig. 1), using partially cleaved BamHl fragments from B95-8 virion DNA cloned into the cosmid pHC79 (rf. 7). These recombinants, together with virion and episomal8 EBV DNAs, and suitable controls, were used ...
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    Nature 309 (1984), S. 90-90 
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    Notes: [Auszug] RECENTLY Valet et al.1 presented palaeomagnetic data associated with a pair of reverse-to-normal (R-N) polarity transitions from western Crete. The two transition records, differing in age by about 1.2 Myr, were found to possess very similar directional field behaviour in that the corresponding ...
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    Nature 309 (1984), S. 635-637 
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    Notes: [Auszug] Three Ubx mutations have previously been mapped by genetic recombination. All were found to lie at or close to the right-hand end of the Ubx unit defined by chromosome rearrangements1'7'8. When the DNA of these and other Ubx 'point' alleles was examined, four apparently point Ubx mutations were ...
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    Nature 309 (1984), S. 637-639 
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    Notes: [Auszug] We have chosen the b-lactamase encoded by the Escherichia coli plasmid pBR322 as a model for a prokaryotic secretory protein and Xenopus oocytes as eukaryotic test cells. /3-Lactamase is the major protein secreted into the periplasm of E. coli cells carrying pBR322 and inactivates ampicillin, thus ...
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    Nature 309 (1984), S. 639-640 
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    Notes: [Auszug] The existing H-2 mutants were originally identified by circular skin-grafting experiments among sibling mice7'8. This system of mutants is notable because: (1) the rate of observed mutation is very high, about 1 in 2,500; (2) individual mutational events result in multiple amino acid substitutions; ...
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    Nature 309 (1984), S. 640-642 
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    Notes: [Auszug] As previously reported, the leukaemic cells of most ATL patients contain one or two copies of HTLV provirus4'11, but the size of the coRI-digested DNA fragment containing the provirus and cellular flanking sequences differs between individuals, suggesting that the integration sites of the HTLV ...
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    Nature 309 (1984), S. 644-645 
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    Notes: [Auszug] IN 1970, Dr G.R. Fink offered the advice that "biochemists as well as geneticists should use only S288C or 'isogenic' Saccharomyces strains in their investigations. Regrettably, this has not been the rule in the past". True, the principal yeast of industrial importance is 5. cerevisiae. However, ...
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    Nature 309 (1984), S. 643-644 
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    Notes: [Auszug] H.G. Wells: Aspects of a Life opens bizar-rely not with the birth of its subject but the birth of the biographer Anthony West, Wells's illegitimate son. At first startling, this emerges as rather appropriate, since, for most of the book, West's technique is to superimpose his own situation upon ...
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    Notes: [Auszug] THE study of chemical processes in natural waters tends to be pursued in compartments oceans, lakes, rivers, ground-waters and so on. One reason for this lies in the large differences between such environments regarding the spatial and temporal frameworks within which geochemical processes can ...
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    Nature 309 (1984), S. 645-646 
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    Notes: [Auszug] IN King Arthur's legendary domain, the Knights of the Round Table slew dragons and rescued fair maidens; only the pure of heart could hope to glimpse the Holy Grail. Heppenheimer likens the quest for controlled fusion to such an enterprise, but one pursued by more fallible human beings. In a ...
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    Nature 309 (1984), S. 646-646 
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    Notes: [Auszug] SIR Alister Hardy is prominent among those who have argued for "Darwinism with a difference". Whilst acknowledging the creative powers of natural selection, he enshrines innovative behaviour as a distinctive selective force. His argument is that a learnt and beneficial habit can be instrumental in ...
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    Nature 309 (1984), S. 647-647 
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    Notes: [Auszug] A FEW years from now, the heading on these pages will be entirely inappropriate. The idea that the use of computers in laboratories is sufficiently novel to be remarked upon will have ceased entirely to be noteworthy, just as it would now seem strange to assemble a few pages of this journal under ...
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    Nature 308 (1984), S. 772-772 
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    Notes: [Auszug] ACTIN filaments in many motile cells are randomly orientated in complex networks rather than in the parallel arrays of striated muscle, raising the question of how they participate in the organized movement of cells. The groundwork for attempting to answer that question was laid some years ago when ...
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    Nature 309 (1984), S. 648-649 
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    Notes: [Auszug] The Applications of Computers to Research on Nucleic Acids II, Parts 1 and 2. Edited by D. Söll and R. J. Roberts. IRL Press: 1984. Pp.856. Pbk 30, 60. Time Warps, String Edits and Macromolecules: The Theory and Practice of Sequence Comparison. Edited by D. Sankoff and J.B. Kruskal. ...
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    Nature 309 (1984), S. 649-649 
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    Notes: [Auszug] Biodata Handling with Microcomputers. By R.B. Barlow. Elsevier Biosoft, 68 Hills Road, Cambridge CB2ILA, UK: 1983. Pp.261. 18, 30. Disks 30, 50. EVEN the least expensive "home computers" are capable of carrying out all the statistical analysis that most biologists will require and usually before ...
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    Nature 309 (1984), S. 650-650 
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    Notes: [Auszug] PAPERBASE: A Computerized Personal Database for Scientists. By Anthony Durham. Wight Scientific, 44 Roan St, London SE109JT. Booklet, pp.31, 25, 50 (airmail postage included) for institutional use; 10, 20 f or personal use. Diskettes available for various computers, 50, 100 (booklet included). ...
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    Notes: [Auszug] Pascal Applications for the Sciences: A Self-Teaching Guide. By Richard E. Crandall. Wiley: 1984. Pp.246. Pbk 13.90, 16.95. THE number of textbooks which deal with computer programming in Pascal is very large and still increasing. So it is refreshing to find that Richard CrandalPs book ...
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    Notes: [Auszug] The Series 7000 professional computers from Perkin-Elmer are advanced microcomputer data processing systems specifically for laboratory applications. Two models are available: the PE 7500 and PE 7300, capable of both analytical and management functions. In an integrated workstation, a Series 7000 ...
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    Nature 309 (1984), S. 653-653 
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    Notes: [Auszug] Physics Advances in Diagnostic Visual Optics: Springer Series in Optical Sciences. G.M. BREININ and I.M. SIEGEL (eds). Springer-Verlag: 1983. Pp.247. ISBN 3-540-13079-9/0-387-13079-9. DM67, 26. Application of Transition State Theory to Unimolecular Reactions: An Introduction. By J.H. BEYNON and ...
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    Nature 309 (1984), S. 481-482 
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    Notes: [Auszug] EUROPE may not be made in the few weeks ahead, but there is a danger that it could be broken. And certainly the month that lies ahead will be crucial for the whole enterprise. First come the European elections, only the second occasion on which representatives to the European Parliament have been ...
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    Nature 309 (1984), S. 654-654 
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    Notes: [Auszug] BIOTECHNOLOGY is one of the fast growing new technologies. It was born as late as the 1970s and is recognized everywhere as a key technology for the future. As well as the United States and Japan, the technology superpowers, France, West Germany, Switzerland and the United Kingdom have taken ...
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    Nature 309 (1984), S. 482-482 
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    Notes: [Auszug] ON the face of things, there seems no prospect of an early improvement in relations between the Soviet Union and the West. Even the proposal that the president of the US National Academy of Sciences, Dr Frank Press, should go to Moscow to try out some unspecified plans for further collaboration has ...
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    Nature 308 (1984), S. 795-795 
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    Notes: [Auszug] Timescale: An Atlas of the Fourth Dimension. By Nigel Calder published by Chatto & Windus/Viking: 1984. Pp.288. £12.95, $19.95. NIGEL Calder's unusual book provides a complete chronology of the world, starting with the first microsecond some 13,500 million years ago, and ending ...
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    Nature 308 (1984), S. 797-797 
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    Notes: [Auszug] It Began with a Stone: A History of Geology from the Stone Age to the Age of Plate Tectonics. By Henry Faul and Carol Faul published by Wiley: 1984. Pp.270. Hbk $38.95, £35; pbk $19.95, £16. CHARTING the development of geology from antiquity through to post-Wegenerian ...
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    Nature 308 (1984), S. 801-802 
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    Notes: [Auszug] The Synergism Hypothesis: A Theory of Progressive Evolution By Peter A. Corning, Published by Blond & Briggs/McGraw-Hill: 1983. Pp.492. Hbk£15, $19.95; pbk $12.95. CONFRONTING the ultimate question, the secret of life, the universe and everything, that well-known text A ...
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    Nature 309 (1984), S. 484-484 
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    Notes: [Auszug] New York A LETTER from ten Moscow scientists published on Nature's correspondence pages in December 1981 (294, 688; 1981) may be cited as nominal defendant in a prosecution under Article 190/1 of the Russian Republic's criminal code, according to a recent Western visitor to Moscow. During the past ...
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    Nature 309 (1984), S. 483-483 
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    Notes: [Auszug] Washington Two weeks after a federal judge halted Dr Steven Lindow's planned field trial of recombinant ice-nucleating bacteria (see Nature 24 May, p.296), the Recombinant DNA Advisory Committee (RAC) of the US National Institutes of Health (NIH) approved a virtually identical proposal from ...
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    Nature 309 (1984), S. 486-486 
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    Notes: [Auszug] ONLY a few months after advertising its intention to spend more on research in the neurosciences, the British Medical Research Council (MRC) is taking steps to close one of its better-known units in the field, the MRC Neurochemical Pharmacology Unit at Cambridge. The decision, made known to the ...
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    Nature 309 (1984), S. 485-485 
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    Notes: [Auszug] Washington THE Reagan Administration has responded with unusual ferocity to a report by Congress's Office of Technology Assessment (OTA) that casts doubt on the ability of the United States to build a space-based "star wars" defence against nuclear attack. Lieutenant General James Abrahamson, ...
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    Nature 309 (1984), S. 485-485 
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    Notes: [Auszug] Washington MOUNTING anxieties about the healthof Dr Andrei Sakharov and his wife Yelena Bonner have forced the US National Academy of Sciences to postpone a planned visit to the Soviet Union next week. Dr Frank Press, president of the National Academy of Sciences, annqunced last month that he ...
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    Nature 309 (1984), S. 487-487 
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    Notes: [Auszug] Washington A YEAR of tireless campaigning by university leaders in the United States has failed to keep "pork barrel" politics out of the 1985 science budget. Georgetown University in Washington DC is asking Congress to direct the Department of Defense (DOD) to support a $220 million energy ...
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    Nature 309 (1984), S. 487-487 
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    Notes: [Auszug] Los Angeles CALIFRNIAN researchers won a major victory last week in their continuing battle with antivivisectionists. A proposed measure to prohibit the use of impounded stray animals in experiments was defeated by 9 votes to 4 in a state assembly committee after intensive lobbying by a coalition ...
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    Notes: [Auszug] A GROUP calling itself the Animal Liberation Front has broken into a laboratory at the University of Pennsylvania, vandalizing equipment worth thousands of dollars and stealing 20 videotapes of experiments on baboons. The laboratory, directed by Dr Thomas Gennarelli, has conducted experiments with ...
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    Notes: [Auszug] Washington THE United States is inching closer towards crowning its improving scientific and tech nological links with China by selling it two pressurized water reactors in the thousand-megawatt range. Senior administration officials do not expect President Reagan to clinch the deal during his ...
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    Nature 309 (1984), S. 488-488 
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    Notes: [Auszug] Brussels OFFICIALS of the European Commission fear that the Community's proposed biotechnology programme is falling foul of the present crisis in the Community's affairs. One sign of this is that the powerful agricultural lobby is mobilizing to block certain reforms that would have helped the ...
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    Notes: [Auszug] New York IMPORTANT changes in pay and conditions may be on the horizon for scientists employed in the United States' 700 federal laboratories, which include the National Insitutes of Health and laboratories run by the Departments of Energy, Defense and Agriculture. An interdepartmental committee ...
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    Notes: [Auszug] POLICY proposals published this week by Britain's Forestry Commission include for the first time special provisions for the protection of Britain's ancient semi-natural woodland. In a consultative paper, Broadleaves in Britain, the commission suggests measures to minimize loss of all broadleaved ...
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    Nature 309 (1984), S. 490-490 
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    Notes: [Auszug] SIR-We wish to draw your attention to the case of the respected Soviet cancer researcher, Dr losef Irlin, who has been involved in the fields of tumour virology and tumour immunology. His work has been of theoretical importance and in no way related to matters falling within any national security ...
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    Notes: [Auszug] SIR - I was struck by the remarks on Fritz London in your recent article (Nature 10 May, p. 109). Amongst other qualities, London was gifted with modes of apprehension of physical problems that were skew, or at any rate out of line with those of his contemporaries, with the consequence that some of ...
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    Notes: [Auszug] SIR -I wish to support in the strongest possible way the appeal of Dr Andre Lwoff, and other Western biochemists and geneticists on behalf of Dr David Goldfarb whose exit visa for Israel has recently been withdrawn by the KGB (see Nature 308, 679, 766 and 309, 104; 1984). I have known and admired ...
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    Nature 309 (1984), S. 491-510 
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    Notes: [Auszug] Science in the Low Countries THIS survey of science in Belgium, Luxembourg and the Netherlands has been compiled and written by Robert Walgate, Chief European Correspondent of Nature. THE hallmark of densely populated Europe is diversity; the Low Countries -the Gallic name for the regions ...
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    Notes: [Auszug] SIR - When Homer sang of the "wine-dark" sea(seeMtfwre303, 568, 1983; 307, 590; 309, 204, 1984) what he had in mind must surely have been its darkness, rather than the colour, and "dark as wine" might be a better translation. After all, one can say that "her eyes sparkled like diamonds", without ...
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    Notes: [Auszug] SIR-It has become fashionable to describe negative attitudes to technological change by making an analogy to the Luddites. Terms such as "neo-Luddite" or even "latter-day Luddite" are appearing regularly. The most recent I have noted is in David Sills' review (Nature 10 May, p. 185). p. 185). The ...
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    Nature 309 (1984), S. 489-489 
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    Notes: [Auszug] Tokyo THE Antarctic Treaty Consultative Parties (ATCP) ended their secret deliberations in Tokyo on 31 May with the announcement that "good progress" had been made towards an agreement permitting the exploitation of Antarctic mineral resources. Representatives of nations that have no say in how ...
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    Nature 309 (1984), S. 511-511 
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    Notes: [Auszug] THOSE who hold that the reductionist programme is a mistaken attempt to account for all phenomena in terms of elementary processes usually look for evidence to support their case in the behaviour of living things. They may be well advised, it seems, to pay closer attention to a long-familiar part ...
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    Notes: [Auszug] Documenting source-transport-receptor relationships to pollution studies is an elusive, complex problem which contributes to most of the controversy over the origin of acid deposition in non-urban areas. While the combination of ground-based chemical measurements, meteorological trajectory analyses ...
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    Nature 308 (1984), S. 721-722 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fractals are the concern of a new geometry1, whose primary object is to describe the great variety of natural structures that are irregular, rough or fragmented, having irregularities of various sizes that bear a special 'scaling' relationship to one another. In very loose terms, they seem to fall ...
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    Nature 308 (1984), S. 734-736 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For each experiment, eight transverse slices of rat hippocam pus, each 150 µm thick, were maintained at 36C in a specially constructed chamber8, which was continuously perfused with normal solution at a rate of 1-3 ml min-1. The composition of the normal perfusing medium was (mM): 136.0 NaCl, ...
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    Nature 308 (1984), S. 731-734 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Eight kittens were monocularly deprived by eyelid suture for 1-2 weeks, beginning 5-7 weeks postnatally (see Table 1). At the time of eye closure cannulae constructed from 30-gauge syringe needles were stereotaxically implanted into the visual cortex of both hemispheres. The tips of cannulae were ...
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    Nature 308 (1984), S. 753-753 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE evidence reported by Renouf and Davis1 for echolocation by a 7-yr-old male harbour seal (Phoca vitulina) is not convincing enough to require a reassessment of earlier studies2-5 which found no experimental evidence for echolocation in pinnipeds. The ability of the seal to swim across the 7.5 m ...
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    Nature 308 (1984), S. 754-754 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] TRAVERS REPLIES-I recently suggested that eukaryotic RNA polymerases might locate a promoter by the initial recognition of a protein(s) prebound to this site rather than by the recognition of a specific DNA sequence1. This suggestion was based on two arguments: first, that in eukaryotic cells the ...
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    Nature 308 (1984), S. 757-757 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE completion of the classification of finite simple groups is one of the most exciting events of twentieth-century mathematics. The problem has intrinsic interest: finite symmetry groups are apt to crop up almost anywhere, and the simple groups are the blocks with which they are built. Thus ...
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    Nature 308 (1984), S. 574-574 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE British Government has landed itself in a serious conflict of interest. For more than two years, the government has been fighting through the British Parliament a bill to sell off British Telecom, the public monopoly that now provides telephone services in Britain. The government's motives are ...
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    Nature 308 (1984), S. 576-576 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington PRESIDENT Reagan has decided against renewing talks with the Soviet Union on a treaty to ban weapons for destroying satellites in space. In a report to Congress last week, he said he could not foresee a new arms control treaty for space that would serve the interests of the United ...
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    Nature 308 (1984), S. 577-577 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] TEN per cent of the world's flora - 25,000 of 250,000 taxa - are in danger of extinction, according to the World Wildlife Fund and the International Union for the Conservation of Nature and Natural Resources (IUCN). Under the chairmanship of the Duke of Edinburgh, the two organizations last month ...
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    Nature 308 (1984), S. 579-579 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Sun Alliance insurance group and Reed Stenhouse UK Ltd are planning to launch "Biotech Protection" - claimed to be the first insurance package geared specifically to the needs of biotechnology laboratories. The policy includes all-risks cover on assets and earnings against cross-infection of ...
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    Nature 309 (1984), S. 519-523 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Archaeomagnetic dating on the Minoan ash horizons of the Santorini volcano and on fired destruction levels at late Minoan sites on Crete demonstrates that the basal (Plinian) air-fall ash of the first ‘Minoan’ pumice is contemporaneous with the destruction levels on central Crete, while ...
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Cells of the yeast, Saccharomyces cerevisiae, containing disruptions of either of two genes that are members of the ras oncogene family are viable, but haploid yeast spores carrying disruptions of both genes fail to ...
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    Nature 309 (1984), S. 528-530 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The UVS1on board Voyagers 1 and 2 are nearly identical objective grating instruments having maximum sensitivity in the 500-1,200 region and a dispersion of 9.26 per detector channel (resolution -20 ). Previous stellar observations and the absolute calibration have been discussed by Holberg et ...
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