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  • Artikel  (359.372)
  • Nature Publishing Group  (359.372)
  • Medizin  (359.372)
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  • 101
    Digitale Medien
    Digitale Medien
    Excellence in the midst of poverty (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 581-600 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] INDIA, where zero was invented, often describes itself as the third nation in the world in science and technology. The claim is based on the output of graduates in science and technology from Indian universities, which is exceeded only in the United States and the Soviet Union. Naturally, the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308581a0
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  • 102
    Digitale Medien
    Digitale Medien
    Planetary science: Evolution by bombardment? (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 604-604 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE atmospheres of the planets contain a cryptic record of the origin and evolution of our Solar System. The current composition of planetary atmospheres reflects the initial composition of proto-planetary material, the mode of planetary accretion, the release and reabsorption of volatiles by the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308604a0
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  • 103
    Digitale Medien
    Digitale Medien
    [News and Views ‘picture story’] (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 605-605 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The mitotic apparatus of a cell in metaphase. Chromosomes, each divided into a pair of chromatids joined only at the centromere, sit in the centre of a spindle composed of microtubules. Some microtubules connect the kinetochores on the centromeres to a centrosome; others connect the two ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308605a0
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  • 104
    Digitale Medien
    Digitale Medien
    Blazars can have double radio sources (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 617-619 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The idea that we are looking down a relativistic jet can explain several properties that frequently occur among blazars. Very long baseline interferometry (VLBI) observations have shown motions apparently in excess of the speed of light9. Variability time scale upper limits to the size of their ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308617a0
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  • 105
    Digitale Medien
    Digitale Medien
    Rapid atmospheric CO 2 variations and ocean circulation (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 624-626 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The ocean is the greatest of the rapidly exchanging global carbon reservoirs and therefore effectively controls the atmospheric concentration of carbon dioxide over time scales of less than 105 years. Pco2 equilibrium partial pressure of CO2, of sea water is determined mainly by the temperature ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308624a0
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  • 106
    Digitale Medien
    Digitale Medien
    Late Quaternary environments in north-central India (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 633-635 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Son River originates at latitude 23 N in the sandstone uplands of central India and flows eastward along the foot of the Kaimur Hills before it leaves the hills and flows northeastward to the Ganges (Fig. 1). The Belan is a smaller river with its headwaters in the Kaimur Hills. It flows north ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308633a0
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  • 107
    Digitale Medien
    Digitale Medien
    Serum β 2 -microglobulin binds to a T-cell differentiation antigen and increases its expression (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 641-642 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] HTA 1 was purified from detergent lysates of bulk preparations of NH17 cells by affinity chromatography with ??1/34 (ref. 6). The three HTA 1 components were sequentially eluted from the ??1/34 affinity column at 40 C with a pH gradient in the order 2m (pH 8.5-9.5), ? (pH 9.5-10.7) and a (pH ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308641a0
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  • 108
    Digitale Medien
    Digitale Medien
    The myth of the mad March hare (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 549-550 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The brown hare is a relatively solitary herbivore, feeding mainly at night7. The breeding season lasts from January to August, sometimes later, and each female may produce several litters per year8'9. Despite the length of the breeding season and the extensive overlap of male and female home ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309549a0
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  • 109
    Digitale Medien
    Digitale Medien
    Inability of Rous sarcoma virus to cause sarcomas in the avian embryo (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 552-556 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Using a capillary tube pulled to 40-75 ?? diameter, we inoculated the limb bud of day 4 chicken embryos (stage 22-24)9with 104-105focus-forming units of Prague-A (PRA) or Schmidt-Ruppin-D (SRD) RSV. Control embryos were inoculated with virus-free medium (medium 199 supplemented with 2% tryptose ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309552a0
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  • 110
    Digitale Medien
    Digitale Medien
    Spider silk as rubber (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 551-552 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] At room temperature (20 C, 50% relative humidity) the silk produced by the major ampullate gland (dragline silk) of the spider Araneus diadematus is very stiff. If, however, an unrestrained segment is immersed in water it absorbs water and contracts to about 55% of its dry length9'10. This ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309551a0
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  • 111
    Digitale Medien
    Digitale Medien
    A relationship between the yeast cell cycle genes CDC4 and CDC36 and the ets sequence of oncogenic virus E26 (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 556-558 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Figure 1 shows an alignment of the inferred amino acid sequences of the entire CDC36 translational product (middle line) with homologous regions of the CDC4 and ets products. The locations of these sequences in their respective genes are shown in Fig. 2. The lengths of the CDC4, CDC36 and ets ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309556a0
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  • 112
    Digitale Medien
    Digitale Medien
    A novel protease from yeast with specificity towards paired basic residues (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 558-560 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Proteolytic activity specific to consecutive basic residues was monitored in lysates of yeast S. cerevisiae a-cells by measuring in a sensitive radioimmunoassay7 the amount of Tyr-Gly-Gly-Phe-Leu-Arg ([Leu]enkephalin-Arg) released from the synthetic C-terminally a-amidated peptide ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309558a0
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  • 113
    Digitale Medien
    Digitale Medien
    China in space: Triumph and martyrdom (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 7-7 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CHINA'S space planners last month released details of the setbacks and disasters suffered during the nine-year effort to put into synchronous orbit an "experimental" communications satellite. The satellite was successfully launched on 8 April, and inserted into its final orbit at 125E on 16 April. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309007a0
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  • 114
    Digitale Medien
    Digitale Medien
    Israeli-Egyptian relations: Cooperation in the doldrums (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 8-8 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Rehovot A LEADING Israeli physicist recently gave an "Unofficial lecture" at a major Egyptian university. For political reasons, there was no advance notice of the lecture, organized by an Egyptian colleague whom the Israeli had met at a US conference. Word got around, however, and by the time the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309008b0
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  • 115
    Digitale Medien
    Digitale Medien
    Labs worth visit (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 10-10 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR ? Your cheap sneer (Nature 15 March, p.24) that "many once adventurous laboratories have become places where ageing investigators brood on their pension rights" perhaps reflects the fact that your reporters are no longer visiting these laboratories. If they did, they would recognize the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309010a0
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  • 116
    Digitale Medien
    Digitale Medien
    Nuclear abstracts (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 10-10 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - M. A. Bray (Nature 307, 206; 1984) had expressed concern about the large number of abstracts appearing in databases. J. R. Metcalfe (Nature 308, 222; 1984) questioned whether conference abstracts should even be included in databases. For the nuclear physics bibliographic databases maintained ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309010b0
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  • 117
    Digitale Medien
    Digitale Medien
    Exciting news (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 10-10 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR Your reviewer (Nature 307, 765; 1984) suggests that some results may "titivate". It is hard to see how they could spruce up either themselves or your readers, although the results might well agreeably excite (titillate) at least the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309010e0
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  • 118
    Digitale Medien
    Digitale Medien
    Acquired immune deficiency syndrome: Retroviruses linked with AIDS (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 12-13 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE publication of four papers1-4 in the 4 May issue of Science by R. C. Gallo and colleagues on a link between acquired immune deficiency syndrome (AIDS) and a retrovirus related to human T-cell leukaemia virus (HTLV) was preceded by much comment which has generated considerable confusion. The ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309012a0
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  • 119
    Digitale Medien
    Digitale Medien
    Meteorite ages (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 500-500 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - Jon Darius (Nature 308, 18; 1984) says the recovery of the Lost City meteorite was the first time that photographs from synchronized cameras were used to predict the place of fall of a meteorite. It was not; the Pribram, Czechoslovakia, fall of 7 April 1959 was photographed as a bright ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308500d0
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  • 120
    Digitale Medien
    Digitale Medien
    Astronomy: Black holes, accretion discs and Seyfert galaxies (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 17-18 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A LARGE consortium of European astronomers has recently published the third instalment of results of their ongoing programme monitoring the nearby Seyfert 1 galaxy NGC4151 with the International Ultraviolet Explorer satellite (IUE)1. Results have already been published from similar programmes ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309017a0
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  • 121
    Digitale Medien
    Digitale Medien
    Evolution and us (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 568-568 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS is a thought-provoking book -the result of a brainstorming collaboration between a philosopher (Tennant) and a behavioural geneticist and evolutionist (von Schilcher). The authors are mainly concerned with the ramifications of adaptationist accounts of human nature. They succeed in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309568a0
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  • 122
    Digitale Medien
    Digitale Medien
    Aspects of genius (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 568-568 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] LEIBNIZ (1646-1716) was a multifaceted genius. He was archivist, diplomat, engineer, inventor, librarian, poet and politician. And his vast output of writing covered alchemy, anthropology, dynamics, economics, geology, history, jurisprudence, linguistics, logic, mathematics, numismatics, philosophy ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309568b0
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  • 123
    Digitale Medien
    Digitale Medien
    Inhibition of antigen-induced T-cell clone proliferation by antigen-specific antibodies (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 547-548 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The derivation of apo-cytochrome c specific murine T-cell clones has been described elsewhere5. Clone 2-16 is a Lyt-1+2- T-cell clone of BALB/c origin which is stimulated to proliferate by a variety of beef apo-cytochrome c peptides (but not haem-containing peptides), including one consisting of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308547a0
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  • 124
    Digitale Medien
    Digitale Medien
    Direct measurement of picosecond charge separation in bacteriorhodopsin (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 557-558 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Experiments were carried out on dried oriented purple membrane samples as previously described17. The membrane layers were fixed on glass plates covered by an electrically conducting and optically transparent SnO2 thin layer. The samples were mounted onto a 50-O coaxial connector. The outer ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308557a0
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  • 125
    Digitale Medien
    Digitale Medien
    Erratum: VIP and noradrenaline act synergistically to increase cyclic AMP in cerebral cortex (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 560-560 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Nature 308, 280-282 (1984) ON page 281, the second and third paragraphs should read 'As shown in Fig. 1, the synergistic effect of 1 μM VIP and 10 µM NA was antagonized by the specific a-adrenergie antagonist phentolamine (100 µM) but not by (±) propranolol (100 µM), a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308560b0
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  • 126
    Digitale Medien
    Digitale Medien
    Science policy à la française (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 563-564 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SOME research scientists have the gift of popularizing the results of research, some research administrators have a penchant for analysing science policy and scientific institutions, some philosophers enjoy telling the practising scientist how he contrives to discover scientific truths, and rare ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308563a0
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  • 127
    Digitale Medien
    Digitale Medien
    An international bio-labour market (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 572-572 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SCIENCE has always been an international activity, with a regular interchange of staff and ideas between countries. In most subjects, however, such job mobility is restricted to a limited number of senior academics, together with a larger flow of post-docs seeking training places, chiefly in the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308572a0
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  • 128
    Digitale Medien
    Digitale Medien
    Urban research: Cambridge fights nerve gases (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 389-389 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Boston THE city council of Cambridge, Massachusetts, is embroiled in another scrap with a local research institution. Three weeks ago, the city's health commissioner ordered Arthur D. Little Inc., a prominent consulting company, to cease research on toxic nerve gas and blister agents in its new ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308389b0
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  • 129
    Digitale Medien
    Digitale Medien
    Seismological evidence for shallow crystalline basement in Southern Uplands, Scotland (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 89-89 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] HALL et al1 propose that the Southern Uplands contain crystalline rocks of continental affinity at shallow depths (-1-5 km). We suggest that the same seismic data can, in fact, be used to strengthen the argument for a thick accretionary prism2. It has been inferred that prehnite-pumpellyite facis ...
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    Seismological evidence for shallow crystalline basement in Southern Uplands, Scotland (reply) (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 89-90 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] HALL ET AL. REPLY?Oliver and McKerrow accept our conclusions that there are crystalline rocks at shallow depth in the Southern Uplands. Their suggestion that the rocks are greenschist facis metagreywackes, part of an accretionary wedge occupying nearly all the present crustal pile, represents an ...
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  • 131
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    Digitale Medien
    Agriculture: Old crop ripe for revival (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 392-392 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Waalre, The Netherlands ONE of the first plants to be exploited by man in South-East Asia and Oceania could once again become a major commercial crop in the region if the efforts of Professor Michiel Flach of the Agricultural University at Wageningen bear fruit. The crop is the sago palm, natural ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309392c0
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  • 132
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    Software copyright: MITI retreat on “piracy” (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 393-393 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tokyo JAPAN'S Ministry of International Trade and Industry (MITI) has abandoned its controversial plans to make changes in the laws governing software copyright - changes which, in the US view, would have made "worldwide software piracy legal". But plans are going ahead rapidly to strengthen the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309393a0
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  • 133
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    Hungarian science: Making the most of society (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 393-393 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] HUNGARIAN biology must come to terms with the challenge of computers, information technology and systems analysis, Dr Janos Szentagothai, president of the Hungarian Academy of Sciences, told the academy's general assembly last month. The theme of the meeting was the relationship between biology and ...
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  • 134
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    Digitale Medien
    Creation research and Noah (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 394-394 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - Jukes's commentary on his caricature of creation (Nature 308, 398-400; 1984) is a superb illustration of the unscientific approach of the anti-creationists, especially his conjuring up of "data" to support his polemic. Contrary to Jukes's demonstrably false claims, I have never sent graduate ...
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    URL: http://dx.doi.org/10.1038/309394a0
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  • 135
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    Digitale Medien
    Who shall go to university? (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 761-762 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ALMOST exactly twenty-one years ago, the then British Government took its courage in its hands and declared that all "qualified" young people would in principle have access to a place in higher education. By accepting literally overnight what was called the Robbins principle (after the chairman of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308761a0
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  • 136
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    Japanese telecommunications: Ministries clash over future of monopoly (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 763-763 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tokyo THE United States has protested to the Japanese Government over compromises reached in two new bills intended to reform Japan's telecommunications industry. The bills, which have just been submitted to the Diet, are aimed at replacing the Nippon Telegraph and Telephone (NTT) monopoly of ...
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  • 137
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    Soviet agriculture: Salt in the wounds (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 764-764 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SOVIET agriculture could face serious problems due to the salination of over-irrigated soils, Academician Anatolii P. Aleksandrov, president of the Soviet Academy of Sciences, warned recently at a high-level economic conference convened to review the progress of the "food programme" launched in May ...
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    URL: http://dx.doi.org/10.1038/308764b0
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  • 138
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    Inaction on Med (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 766-766 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MEDITERRANEAN beaches will remain polluted with heavy metals and untreated sewage at least for the time being, according to a decision taken by Mediterranean states last Friday, 13 April, in Athens, Greece. It was a black day for the United Nations Environment Programme (UNEP), whose nine-year ...
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    URL: http://dx.doi.org/10.1038/308766b0
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  • 139
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    Digitale Medien
    Hungarian education: Flexibility hurts everyone (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 767-767 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ON the heels of last year's reorganization of postgraduate education in Hungary (Nature 306,216; 1983), the government is now turning its attention to the university system as a whole. Béla Köpeczi, Minister of Education and Culture, told the National Assembly (parliament) last week that Hungarian ...
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    URL: http://dx.doi.org/10.1038/308767a0
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  • 140
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    Digitale Medien
    Non-Proliferation Treaty Woes (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 768-768 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - Your leading article (Nature 8 March, p.97) makes some telling points on the finer nuances of international nuclear politics. I should like to comment on one of the issues you raise: that of the imminent danger of the collapse of the Non-Proliferation Treaty (NPT). There seem to be two ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308768a0
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  • 141
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    Plagiarism in texts (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 768-768 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - It is difficult to see how any text book can be written without some kind of plagiarism since there can rarely be a scientist who can fill a book with the results ofhis own researches. Authors of larger text books are usually academics busy with lectures, research and administration and ...
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  • 142
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    Digitale Medien
    Geophysics: Contraction and stretching in basin formation (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 771-771 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BASINS on the continental shelves of passive (or Atlantic) margins and platform basins within the continental interior are generally a few hundred kilometres wide and contain several kilometres of nearly flat-lying sediments. The processes under lying the deposition of these sediments have been the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308771a0
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  • 143
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    Digitale Medien
    Free-electron lasers: Past the visible light barrier (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 772-773 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ALTHOUGH many experiments have successfully demonstrated the free-electron laser (FEL) as an amplifier of laser light, until a year ago the gain threshold for actual laser oscillation in a mirrored optical cavity had only twice been surpassed. A renewed burst of activity in the last twelve months ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308772b0
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  • 144
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    Digitale Medien
    Virology: A new package for an old oncogene (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 775-775 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PET cats develop retrovirus-induced lymphoid malignancies more frequently than any other mammal. The aetiological agent of feline lymphoid tumours is the feline leukaemia virus (FeLV), a highly contagious chronic leukaemia virus that induces both FeLV-positive and FeLV-negative lymphosarcomas. Like ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308775a0
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  • 145
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    Digitale Medien
    Inverted logic (reply) (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 776-776 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] D.J. Cook replies -I accept Dr Severs' comments, which endorse my original point. Several times recently I have been misled or irritated because electron micrographs have been presented in such a way that the immediate percept of relief was incorrect. I therefore sent the letter in the hope that I ...
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    URL: http://dx.doi.org/10.1038/308776c0
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  • 146
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    Digitale Medien
    Whigs and professionals (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 777-778 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FOR most working scientists, excursions into the history of science are rather like eating Easter eggs: a harmless amusement, enjoyed by the very young and the very old, but strictly for holidays. Heroic tales from the past glories of science have long been deemed appropriate for youthful readers, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308777a0
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  • 147
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    Digitale Medien
    Yendred and his father go fishing (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 780-780 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] "When the mast had been put up and all the gear and tackle made ready, we realized that the boat had no bow or stern as such. Being completely symmetrical about its mast, bow and stern could be determined only by which direction the boat was moving. This ceased to puzzle us when we realized that a ...
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    URL: http://dx.doi.org/10.1038/308780b0
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  • 148
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    Digitale Medien
    Marking time (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 787-787 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Revolution in Time: Clocks and the Making of the Modern World By David S. Landes., published by Harvard University Press: 1984. Pp.482. $20, £17. AN antiquarian book dealer, speaking of his life's passion which was not only his hobby but also his source of income, once said that ...
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    URL: http://dx.doi.org/10.1038/308787a0
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  • 149
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    Digitale Medien
    Putting the heavens to order (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 789-790 
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    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Ptolemy's Almagest Translated and annotated By G.J. Toomer Duckworth, London/Springer-Verlag, New York: 1984. Pp.693. £55, $64 CLAUDIUS Ptolemy's geocentric system has long since been dumped into the dustbin of discarded theories. Why, then, is anyone still concerned with his hoary ...
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    Protein structure: From Bacillus to rabbit (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 404-404 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ON page 467 of this issue, Poorman et al. suggest a three-dimensional structure, complete with binding sites for substrates, activators and inhibitors, for a mammalian multisubunit enzyme, largely on the basis of the amino acid sequence of the enzyme and the crystallographic structure of the ...
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    URL: http://dx.doi.org/10.1038/309404a0
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  • 151
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    Bacterial motion: Progress in flagellation (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 404-405 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT is now more than ten years since the electrifying announcement that bacterial flagella actually rotate rather than propagate helical waves like larger motile organelles. The discovery was all the more surprising because it was by then becoming clear that flagella could adopt a number of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309404b0
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  • 152
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    Digitale Medien
    Neurology: Hopes of central repair (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 406-407 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE fact that the adult central nervous system cannot be repaired after injury and that neurological deficits are permanent and unchanging was challenged recently at a conference* which brought together clinical and basic neuroscientists who are studying regenerative and repair processes in the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309406a0
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  • 153
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    Digitale Medien
    [News and Views ‘picture story’] (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 407-407 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Infrared image of cloud structures off the north of Scotland, taken by the NOAA 5 satellite at 0335 GMT on 23 March 1982. The wave-like features are caused by buoyancy oscillations - 'gravity waves' - occurring in Arctic or polar maritime air masses. From a recent paper in Meteorological Magazine ...
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    URL: http://dx.doi.org/10.1038/309407a0
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  • 154
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    Digitale Medien
    Cosomolgy: Coloured comets (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 407-407 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WHAT colour is a comet? There is no easy answer. Visually, they are rarely seen in true colour because the retinal cones, which respond to colour, are usually swamped by the rods when it comes to the nocturnal vision of faint objects. George F. Chambers, a prolific cometary observer at the turn of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309407b0
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  • 155
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    Digitale Medien
    X-ray crystallography: Advantages of electronic ‘film’ (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 408-408 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BY comparison with other areas of molecular biology, the determination of macro-molecular structure has suffered because of the time-consuming and tedious course of X-ray crystallographic investigations. Recent advances in genetic manipulation have made it possible to produce considerable ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309408a0
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  • 156
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    Linear scale for acid rain? (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 409-409 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - "Acid rain" is a scientific issue for which careful presentation of results is of considerable importance, especially as the issue has entered the domain public debate in the United Kingdom. It is therefore right to ask whether we always present the results of acidity measurements of rainfall ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309409a0
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  • 157
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    Digitale Medien
    Alphabet and the Western mind (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 409-410 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - The unprecedented genius of Greece is unexplained. I conjecture that the modern study of the mind provides some tentative answers. Before the Golden Age of Greece, the Greeks had developed their alphabet. This writing system is unique in possessing, by symbolizing vowels as well as ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309409b0
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    Magnetic pair production in Cygnus X-3 and a cut off in the γ -ray spectrum (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 828-830 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Cygnus X-3 system consists of a pulsar in close orbit around a companion star. The companion star undergoes mass loss through a dense stellar wind. Such an outflow of gas was invoked to explain the profile of the X-ray modulation5,6. Making use of the observed value of P/P and assuming that the ...
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    URL: http://dx.doi.org/10.1038/308828a0
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    Digitale Medien
    Real-time optical imaging of naturally evoked electrical activity in intact frog brain (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 848-850 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Staining solution (0.1-0.5 mg ml-1) was applied topically to the optic tectum for 20-30 min. The tectum was then rinsed with amphibian Ringer's solution for 20 min. For testing the dyes, a 50-150-ms green light was flashed through a light guide onto one eye, while fluorescence signals were recorded ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308848a0
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  • 160
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    Digitale Medien
    Inversion of chromosome 14 marks human T-cell chronic lymphocytic leukaemia (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 858-860 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Five patients with T-cell CLL were investigated. At the time of sampling, no therapy had been initiated in four of the patients. Chromosome analysis (Table 1) was performed on peripheral blood lymphocytes after stimulation with a variety of T-cell activators. As the malignant T cells are of clonal ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308858a0
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  • 161
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    Digitale Medien
    Signal sequence mutations disrupt feedback between secretion of an exported protein and its synthesis in E. coli (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 863-864 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We have previously described the isolation of an amber (protein chain-terminating) mutant in the secA gene3. This amber mutation, which maps early in the gene, is lethal to the cell and can only be maintained in strains which contain an amber suppressor. To study the effects of the elimination of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308863a0
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  • 162
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    Digitale Medien
    East-West bridges (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 676-676 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE death last week in the Soviet Union of Dr Piotr Kapitza is an especially sad occasion because it breaks one of the few persisting personal links between Soviet science and the West. Kapitza was one of the few Soviet scientists with first-hand experience of working in the West. And while it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308676b0
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  • 163
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    Digitale Medien
    US nuclear power: Management blamed for failure (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 677-677 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington A MARATHON research study just completed by the Nuclear Regulatory Commission (NRC) has concluded that poor management by power companies and their contractors - not the complexity of NRC regulations - is the underlying cause of the chronic technical deficiencies of many new US ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308677b0
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  • 164
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    Digitale Medien
    Biological weapons: Soviet Union accused (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 679-679 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington THE US Department of Defense (DoD) said last week that the Soviet Union appears to be trying to apply genetic engineering research to an already broad biological warfare research effort that violates the Biological and Toxin Weapons Convention of 1972. Although the allegation, contained ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308679a0
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  • 165
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    Digitale Medien
    Bulgaria: Computer industry goes soft (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 682-682 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BULGARIA'S computer industry has been let down by the software sector, Ognyan Doinov, Minister of Machine Building, told the national conference of the Bulgarian Communist Party last month. Although computers similar to the Bulgarian models have elsewhere become a "powerful tool for mastering ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308682b0
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  • 166
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    Digitale Medien
    Multi-computer? (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 683-683 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - The recent news item on funds for computer time (Nature 307, 204; 1984) has an instance of art imitating nature. In multicellular organisms an assemblage of cells, suitably integrated, performs the various functions of the single, more complex cell of a large protist. Similarly, researchers ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308683c0
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  • 167
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    Digitale Medien
    Publish abstracts (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 684-684 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - J.R. Metcalf (Nature 15 March, p.222) asks whether abstracts should be included in hard copy and computerized databases. If something is published or recorded, whatever its merit or scientific value, it is essential that the bibliographic control exists to identify and find it. I, for one ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308684a0
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  • 168
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    Digitale Medien
    Pagiarism claim (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 684-684 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - It is well known that plagiarism or appropriation of ideas or passages from another work or author exists in the scientific community today. Another, contrasting practice exercised by an alarming pro portion of authors submitting papers today is the wilful omission of references to previous ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308684f0
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  • 169
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    Digitale Medien
    [News and Views ‘picture story’] (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 687-687 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A HUMAN monocyte being invaded by several Legionella pneumophilia - the bacterium that causes Legionnaires' disease. Phagocytosis of the bacteria by monocytes and by other phagocytic cells involves a novel process whereby cell pseudopods encoil individual bacteria, most of which contain a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308687b0
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  • 170
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    Digitale Medien
    100 years ago (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 692-692 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AMONG the superabundant "Universities" of the United States Harvard is unquestionably taking its place as a national institution on a par with British establishments which hold a similar designation. The last quarterly Bulletin of its proceedings is before us, which has to acknowledge during that ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308692b0
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  • 171
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    Digitale Medien
    Planetary science: Ices in the Solar System (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 692-692 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE growth of interest in Solar System ices has been generated, in part, by visually spectacular data from the Voyager encounters with the rings and satellites of Jupiter and Saturn. At the same time, substantial advances have been made with threoretical modelling and observational measurements of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308692a0
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  • 172
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    Digitale Medien
    Periodic mass extinctions and the Sun's oscillation about the galactic plane (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 712-713 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Due to the disk-like mass distribution of the Galaxy, stars in the disk (including the Sun) experience a restoring force towards the galactic plane which gives rise to harmonic oscillation perpendicular to the galactic plane. Stellar velocity distributions have been used empirically to derive the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308712a0
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  • 173
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    Digitale Medien
    Sperm sharing in Biomphalaria snails: a new behavioural strategy in simultaneous hermaphroditism (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 727-729 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Biomphalaria are freshwater pulmonate snails widely distributed in Brazil. They are simultaneous hermaphrodites, which reproduce by self-fertilization when in isolation, but whenever two or more individuals are in contact, they copulate and cross-fertilization prevails1. These snails include ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308727a0
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  • 174
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    Digitale Medien
    Self tolerance is H–2-restricted (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 738-741 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The strains of mice we used carry the H-2b and/or H-2d alleles and differ by a variety of minor H antigens. An example of H-2 restriction in T-cell activation is shown in Fig. 1. Normal (B10 x B10.D2)F1 mice (themselves H-2b x H-2d) respond well to the foreign minor H antigens carried by B ALB/c ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308738a0
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  • 175
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    Digitale Medien
    An interaction between vinculin and talin (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 744-746 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Evidence for an interaction between talin and vinculin came initially from SDS-polyacrylamide gel analysis of sucrose density gradient centrifugation experiments (Fig. 1). When vinculin and talin are sedimented through separate gradients the peak concentrations of the proteins have sedimentation ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308744a0
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  • 176
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    Digitale Medien
    Seal echolocation? (reply) (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 753-753 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] RENOUF REPLIES - I agree with Wartzok et al. that our study does not necessarily require the reassessment of those which failed to demonstrate echolocation. There is no reason to assume that what might be true for harbour seals would also hold for Halichoerus, Zalophus or Pivi Pargha, although the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308753b0
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  • 177
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    Digitale Medien
    In search of a subject (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 755-756 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WHAT is biophysics? This question, asked by the editors of Biophysics, must also have been asked countless times of all us who profess to be biophysicists. To develop a sense of unity and to delineate boundaries is perhaps the main obstacle to be surmounted by anyone who seeks to write a core ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308755a0
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  • 178
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    Digitale Medien
    Faces of hominid evolution (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 758-758 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT is curious how different lines of evidence assume greater or lesser importance at different times in our search for evidence on human ancestry. Teeth used to be con sidered of the utmost importance, then the postcrania, but most recently it has been the face. In this sense Yoel Rak's book on the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308758a0
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  • 179
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    Digitale Medien
    Where next on strategic arms? (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 573-573 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE nuclear powers will be in a serious jam this time next year. Then, they will no longer be able to put at the backs of their minds the knowledge that the third review conference of the Non-Proliferation Treaty (NPT) will be just a few months ahead. They will instead be haunted by bad memories of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308573a0
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  • 180
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    Digitale Medien
    Current generated by backward-running electrogenic Na pump in squid giant axons (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 450-452 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] It is generally accepted that the sodium pump normally operates with Na/K〉 1 stoichiometry. What is less clear is whether this stoichiometry is fixed or variable and dependent on conditions such as steepness of the ion gradients, membrane potential and available free energy of ATP hydrolysis2. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309450a0
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  • 181
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    Digitale Medien
    Mechanism of ion permeation through calcium channels (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 453-456 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Single ventricular cells were obtained from adult guinea pigs by enzymatic dissociation17and a suction pipette was used for voltage clamp and internal dialysis18. To minimize current flow through channels other than the Ca channel, internal and external solutions were kept Na+- and K^-free6. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309453a0
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  • 182
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    Digitale Medien
    Complete tyrosine- O -sulphation of gastrin in neonatal rat pancreas (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 456-458 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The pancreas, antrum and small intestine of 0-, 4-, 7-, 14- and 21-day-old Wistar rats and of 17-day fetuses were dissected out and frozen immediately on dry ice. Tissues were extracted by boiling in water and the pellet was re-extracted in cold 0.5 M acetic acid. The concentrations of gastrin and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309456a0
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  • 183
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    Digitale Medien
    Japanese space research: Shoestring programme prospers (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 393-393 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tokyo THE Japanese Government has given tentative approval to plans for scientific missions to the "Moon and planets" and, at a much later date, for exploration of Jupiter-type planets and asteroids in the final version of its new 15-year space development programme. The programme is aimed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308393b0
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  • 184
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    Digitale Medien
    UK microelectronics: More public support in prospect (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 393-393 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE British Government is to spend £129 million over the next six years in support for its home microelectronic component production industry. A new extension to the Microelectronics Industry Support Programme, MISP 2, more than doubles the finance previously available, which is now fully ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308393a0
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  • 185
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    Digitale Medien
    Europe sets a new standard (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 392-392 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Brussels EUROPE'S major computer firms have taken a far-reaching step to create a real European market in information. Twelve leading information technology companies have jointly proposed to the European Commission a programme for the implementation from 1985 of standards that should enormously ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308392b0
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  • 186
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    Digitale Medien
    Illmense inquiry: Mixed news on grants (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 394-394 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROFESSOR Karl Illmensee's grant from the Swiss National Science Foundation, suspended last year when doubt was cast on experiments carried out at the University of Geneva, will not be reinstated. Notice to this effect was given to Professor Illmensee in a letter from the foundation dated 14 March. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308394a0
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  • 187
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    Digitale Medien
    Biological ethics: Nakasone takes the lead (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 395-395 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tokyo THE first international conference on life sciences and mankind ended in Tokyo on 22 March with a set of conclusions to be presented to the heads of the Western industrial nations countries at the London summit in July. The conference grew out of the proposal made by Japan's Prime Minister, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308395c0
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  • 188
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    Digitale Medien
    Soviet Academy: Science to fuel materialism (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 394-394 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SOVIET social scientists - particularly the economists and sociologists - are failing to match the achievements of their colleagues in the natural and technical sciences in meeting the demands of the "scientific and technical revolution", according to Academician P.N. Fedoseev, one of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308394b0
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    Books Received (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 477-478 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Mathematics Bridges to Infinity: The Human Side of Mathematics. By M. GUILLEN. Torcher, Los Angeles: 1983. ISBN 0-87477-233-8. $13.95. Matrix Computations. By GENE H. GO LU B and CHARLES F. VAN LOAN. North Oxford Academic: 1983. Pp.476. Hbk ISBN 0-946536-007; pbk ISBN 0-946536-058. Hbk ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309477a0
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  • 190
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    Serum components from NCI (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 479-480 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] oTwo new nonisotopic assays for monitoring thyroid function have been announced by Syva, the Syva Advance thyroxine assay and the Syva Advance T-3 uptake assay. Using fluorescence energy transfer immunoassay (FETI), the assays are designed to run on the Syva Advance system The thyroxine assay ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309479a0
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  • 191
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    Frozen serum panels from NCI (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 480-480 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A VARIETY of serum components (including peptide hormones, viral antigens, isoenzymes, glyco pro teins, antibodies, immune complexes, tumour-associated antigens, carbohydrates, phospholipids and nucleotides) have been reported to be useful in cancer diagnosis and/or in monitoring cancer treatment ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309480a0
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  • 192
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    Soviet science: Academic apologist emerges (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 487-487 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] OVERCROWDING and lack of equipment are seriously hampering the work of Soviet research institutes, Pravda claimed last week. The author of the article, although identified only as M. Korolev, clearly emerges as an apologist for the academic community in the long-running debate on why the results of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308487a0
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  • 193
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    Opposite to placebo (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 490-490 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - "Garblow" is an unnecessary dysphemism for "nocebo" to define "a harmless substance which produces harmful effects when the patient believes it to be toxic". "Nocebo" was introduced at least 15 years ago (G. Herzhaft, "L'Effet nocebo" Encphale 58, 486; 1969). M. J. Barrie also states that ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308490e0
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  • 194
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    Materials science: A soft superionically conducting lower mantle? (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 493-494 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE meagre contribution so far of materials science to the general understanding of the Earth's mantle is about to be enriched, in part by the study of ionic crystals whose properties may be a guide to those of the mantle rocks, with their capacity to undergo plastic deformation and with their ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308493a0
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  • 195
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    Genetic engineering: Rifkin wins interim injunction (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 296-296 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington AN experiment that would have been the first to release recombinant organisms to the environment was blocked last week by a federal judge (see p. 301). Granting a motion filed by anti-genetic engineering activist Jeremy Rifkin, Judge John Sirica ordered the University of California not ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309296a0
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  • 196
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    Andrei Sakharov: Birthday gloom and celebrations (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 296-296 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] New York LAST Monday, 21 May, the 63rd birthday of Dr Andrei Sakharov, the dissident Soviet physicist now in internal exile in Gor'kii, was marked by various and diverse events. In the Soviet Union, Dr Sakharov himself, who with his wife has been on an open-ended fast since 2 May, was removed, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/309296b0
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  • 197
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    Digitale Medien
    The evolutionary relationships of man and orang-utans (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 501-505 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Man shares uniquely few morphological features with either the chimpanzee or the gorilla, whereas there are many features that suggest affinities between man and the orang-utan, to whom the fossil Sivapithecus appears to be closely related. If these are unique features, inclusion of Sivapithecus, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308501a0
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  • 198
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    Digitale Medien
    X-ray emission from non-magnetic cataclysmic variables (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 519-521 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Any theoretical model for the hard X-ray emission from these systems must explain three key observational facts: (1) SS Cygni is a bright and very variable hard X-ray source in quiescence (that is, low accretion rates M), but the hard X rays are severely reduced during optical outbursts2 (increased ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308519a0
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  • 199
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    Fanning of fracture zones and a three-dimensional model of the Mid-Atlantic Ridge (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 527-531 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To check the fanning of transform fault directions, the Institute of Oceanographie Sciences organized a Gloria8 long-range sidescan sonar survey in autumn 1981 onboard MV Farnella. The survey covered the active sections of all major fracture zones (Oceanographer, Hay es, Atlantis, Kane and Fifteen ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308527a0
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  • 200
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    Isotope composition of sulphate in acid mine drainage as measure of bacterial oxidation (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 538-541 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The overall stoichiometry of pyrite oxidation may be described by the reaction: FeS2(s) +15/4O2(aq) +7/2H2O Fe(OH)3(s) + 2H2SO4(aq). In order to understand the oxidation kinetics, intermediate steps in this reaction must be considered1. The following three reactions have been shown to operate ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/308538a0
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