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  • Nature Publishing Group  (47.013)
  • 1970-1974  (19.444)
  • 1960-1964  (27.569)
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  • 1
    Digitale Medien
    Digitale Medien
    Visa for Voronel (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 627-627 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Aleksandr Voronel, the Soviet physicist has received an exit visa for Israel. In spite of official harassment, illicit Sunday seminars of scientists dismissed after applying for visas for Israel continued meeting during the Autumn in Moscow. On November 15, Voronel was told by the KGB that he ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252627b0
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  • 2
    Digitale Medien
    Digitale Medien
    Irrationalism and science (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 629-629 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,?I agree wholeheartedly with the comments of Martin Raff (Nature, December 6). I have been to a number of good conjuring shows in my time and T have invariably found that in a high proportion of the tricks I am not only unable to see how they were done, but I have been unable to understand how ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252629b0
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  • 3
    Digitale Medien
    Digitale Medien
    Universities in the not-so-red (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 627-627 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BRITISH universities have been spared some of the ravages of inflation by the decision of Mr Prentice, Secretary of State for Education and Science, to increase their recurrent grant by £15 million. This brings the total supplementation of the grant for 1974?75 to about £21 million, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252627a0
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  • 4
    Digitale Medien
    Digitale Medien
    Competition for laser fusion? (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 631-631 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE incident laser power needed to achieve a significant thermonuclear energy gain in a deuterium?tritium (DT) target which initially has a density near that of the solid state has been variously estimated to lie between 1013 and 3 l015 W; the lower power is appropriate to hollow spherical pellets ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252631a0
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  • 5
    Digitale Medien
    Digitale Medien
    Structure of molecules in solution (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 633-634 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To reach an understanding of biological recognition processes such as those involved in enzyme?substrate or hormone?receptor interactions will require a detailed knowledge of the three-dimensional structures and the potential flexibility of the component molecules. Inspired by this challenge, Dr R. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252633a0
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  • 6
    Digitale Medien
    Digitale Medien
    Palaeomagnetic evidence shows Malay Peninsula was not a part of Gondwanaland (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 641-645 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Palaeomagnetic results from Malaya show that the Malay Peninsula lay at 15° N during the late Palaeozoic, a result incompatible with the hypothesis that it once formed a part of Gondwanaland adjacent to India or Australia. Cretaceous results suggest the Peninsula was not at that time finally ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252641a0
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  • 7
    Digitale Medien
    Digitale Medien
    Echinomycin: a bifunctional intercalating antibiotic (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 653-657 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The interaction between echinomycin and circular DNA or sonicated rod-like DNA fragments shows that this antibiotic binds by a bifunctional mode of intercalation. Binding parameters for a variety of natural and synthetic DNAs vary widely, indicating that echinomycin interacts selectively with ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252653a0
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  • 8
    Digitale Medien
    Digitale Medien
    Radio structure of the M87 jet (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 661-663 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] At 408 MHz the interferometer was formed from the Mk IA (76 m) telescope at Jodrell Bank and a 25-m parabaloid at RRE Defford (baseline 172,700l). At 1,666 MHz the Mk II (38 m x 25 m) telescope and the Mk III (38 m x 25 m) telescope were used (baseline 132,300l). The 1,666-MHz interferometer ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252661b0
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  • 9
    Digitale Medien
    Digitale Medien
    Martian terminator waves (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 672-672 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In Martian low and middle latitudes the terminator moves with a speed, VT, of: where j is the geographical latitude. If we assume a pure CO2, atmosphere then the speed of sound, C, is where T is the local atmospheric temperature. Supersonic waves may be generated at the equator in regions where ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252672a0
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  • 10
    Digitale Medien
    Digitale Medien
    Plate tectonic origin for the Cape Fold Belt? (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 675-676 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Newton1 argues that the Cape Fold Belt does not resemble a typical 'plate tectonics' orogen in respect of structural style, sedimentation or igneous and metamorphic activity. A gravity-folding model controlled by the structure of the pre-Cape rocks is proposed. De Swardt et al.2 suggest that the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252675a0
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  • 11
    Digitale Medien
    Digitale Medien
    Tar pollution of Sierra Leone beaches (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 682-682 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Western area peninsula of Sierra Leone, showing the sites with tar polluted shores (dashed line) and the probable extent (dotted line) of the peninsular coastline affected by the pollutant. Scale bar represents 2.5 km. At Lumley beach during ebb tide, tar lumps and other debris are ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252682a0
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  • 12
    Digitale Medien
    Digitale Medien
    Taylor vortex instability and annulus length effects (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 688-689 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The present flow visualisation results are for a rotor of diameter 91.42 mm concentrically positioned inside a Perspex stator of bore 103.2 mm, thickness 19 mm and effective length 250 mm, so that R1/R2=0.894. Vortices in the test fluid, a silicone oil of kinematic viscosity v = 19.3 centistoke, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252688a0
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  • 13
    Digitale Medien
    Digitale Medien
    Cascading speciation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 701-702 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] There may be some difficulty in describing the usual course of the speciation process in the light of these theoretical results. If one or several dispersing individuals from an established population can reach some location and start a new population, then what is to prevent others arriving from ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252701a0
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  • 14
    Digitale Medien
    Digitale Medien
    Variation in assortative mating in two colonies of Arctic skuas (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 700-701 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Assortative mating also takes place between the phenotypes. In previously published data4, which were taken from observations on several colonies by different ornithologists, the intermediates and darks were not distinguished from each other and were lumped into a single class of dark birds. Some ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252700a0
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  • 15
    Digitale Medien
    Digitale Medien
    Tumbling in pigeons (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 706-708 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Each filming session involved releasing a hand-held pigeon 0.3 m above a flat surface and activating the camera and high intensity lamps for a period of 1?2 s. Although we were mainly interested in the initial tumbling motions, 5?10 somersaults by each pigeon were filmed during this short time. The ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252706a0
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  • 16
    Digitale Medien
    Digitale Medien
    Changes in heroin self-administration by a rhesus monkey after morphine immunisation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 708-710 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Our procedure was based on existing knowledge of the immune response against opiates. Antibody against morphine-protein conjugates has been demonstrated to bind free opiate hapten2?8. Different antibody specificities have been described when the same immunising opiate was linked to the protein ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252708a0
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  • 17
    Digitale Medien
    Digitale Medien
    Separation of parathyroid hormone and calcitonin-sensitive cells from non-responsive bone cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 713-715 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] An understanding of the molecular mechanisms which control synthesis and degradation of bone matrix is lacking. This is a result partly of the complexity of bone tissue in which there exists within the large volume of extracellular matrix a variety of cellular types including osteocytes, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252713a0
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  • 18
    Digitale Medien
    Digitale Medien
    Tyrosine-dependent increase of tyrosine hydroxylase in neuroblastoma cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 719-720 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] N1E-115 cells (provided by Dr Marshall Nirenberg) were grown as monolayer cultures in polystyrene Petri dishes, 150 mm in diameter (Falcon), at 37 C in a humidified atmosphere of 10% CO2 and 90% air. Cells were grown as before7 in the Dulbecco-Vogt modification of Eagle's medium (DNEM, Gibco, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252719a0
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  • 19
    Digitale Medien
    Digitale Medien
    Application of β-D-glucuronides and glucose together suggests a new direction for cancer chemotherapy (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 726-727 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The lysosomal enzyme p-glucuronidase has a p;H optimum of 5.2 (ref. 3). We report here that the glucuronidase activity of tumours is selectively enhanced by previous administration of glucose, presumably because glucose selectively lowers the pH of tumour cells. Since glucuronides are biologically ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252726a0
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  • 20
    Digitale Medien
    Digitale Medien
    Lateral interaction between neural channels sensitive to velocity in the human visual system (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 732-733 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A 10x6 matrix of dots was generated on the CRT display of a PDP-12 laboratory computer. The ten symbols in each row were programmed to move at a constant velocity in a west-east direction, giving the impression of a continuous stream of dots drifting across a window. A sharp discontinuity (or ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252732a0
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  • 21
    Digitale Medien
    Digitale Medien
    Sulphydryl groups as a new molecular probe at the α 1 β 1 interface in haemoglobin using Fourier transform infrared spectroscopy (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 736-738 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The association of the a1b2 (and a2b.2) contact is much stronger. Although this contact is formed largely by nonpolar van der Waals interactions, asymmetrical dissociation along the a1b1 interface is more difficult to achieve and little change occurs here during ligand binding2. Reactions of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252736a0
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  • 22
    Digitale Medien
    Digitale Medien
    Effect of hypophysectomy on a virus-induced T-cell leukaemia (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 747-748 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Gross passage A virus was injected intraperitoneally into newborn Sprague?Dawley rats. At 3 weeks of age the animals were weaned and separated by sex, and approximately half of them were hypophysectomised. At weekly intervals thereafter they were weighed and then a differential and total white ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252747a0
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  • 23
    Digitale Medien
    Digitale Medien
    In vitro sensitisation to dinitrochlorobenzene in guinea pigs (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 748-749 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 Sensitisation of guinea pigs by intradermal injection of in vitro DNCB-treated lymphocytes Donors Group Strain Immune Recipients Strain Immune No. Contact Sensitised/Total test status status 1 13 Normal 13 Normal 6 1.6±1.3 4/6 2 13 Normal 13 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252748a0
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  • 24
    Digitale Medien
    Digitale Medien
    Association of mammalian cell death with a specific endonucleolytic degradation of DNA (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 754-755 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tritiated thymidine (TdR) is a toxic agent when incorporated into the DNA of mammalian cells1,2. The soft b radiation of tritium disintegration has a range of about 1 mm and damages primarily the DNA and its immediate molecular environment. The time course of this toxic action as indicated by cell ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252754a0
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  • 25
    Digitale Medien
    Digitale Medien
    Alpine Fault of New Zealand and Gondwanaland reconstruction (reply) (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 756-757 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DR GRIFFITHS REPLIES?Cullen's main point seems to be that the Alpine Fault is not the only deformation of New Zealand which occurred during seafloor spreading and that it is therefore insufficient simply to reverse the observed 480km offset in reconstructions. I have, however, always accepted this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252756b0
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  • 26
    Digitale Medien
    Digitale Medien
    Mononuclear cells killing Cryptococcus (reply) (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 758-758 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DR DIAMOND REPLIES?Sethi seems to have overlooked or misinterpreted the major differences between my studies and those of Aronson and Kletter1. In contrast to their studies, the fungicidal mechanism which I described requires effector cells which are not necessarily monocytes, as well as specific ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252758b0
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  • 27
    Digitale Medien
    Digitale Medien
    Triangle of parallel ideas (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 759-759 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WHEN Leibniz arrived in Paris in March 1672 as the travelling companion of Melchior Friedrich von Schonborn he knew little of the mathematics of the time. But under the guidance of Huygens he made rapid progress and over the next four years conceived his decisive ideas in mathematics, bringing them ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252759a0
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  • 28
    Digitale Medien
    Digitale Medien
    … placing sticking plants (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 761-761 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MOST biologists have only a superficial knowledge and understanding of taxonomic procedures, and those with a real feeling for the subject are few in number. This book goes a long way towards bridging the gap between the many and the few. The author is to be congratulated on producing a detailed, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252761b0
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  • 29
    Digitale Medien
    Digitale Medien
    Paying the piper (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 517-517 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE perks of working in the Nature office are not extensive. No doubt if the journal were dedicated to the evaluation of stereo equipment or gourmet meals or travel to the tropics we would not lack material benefits, but reporting on advances in science and on science policy hardly leads to obvious ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252517a0
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  • 30
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    Digitale Medien
    Cutting budgets to fight inflation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 521-521 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] As part of a desperate bid to get a grip on inflation, President Ford is proposing to prune nearly $5,000 million from federal expenditures during the 1975 fiscal year, which has only seven more months to run. Welfare, health and veterans? benefit bear the brunt of the cuts, but biomedical ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252521a0
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  • 31
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    Digitale Medien
    Preparing for that space link-up (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 522-522 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE flight of Soyuz 16 (December 2-8, 1974) was specifically announced to have been a preparation for the joint Soyuz?Apollo programme scheduled for 1975. Observers of the Soviet space programme have interpreted recent Soyuz flights (including that of Soyuz 15 which somewhat coyly manoeuvred about ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252522b0
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  • 32
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    Digitale Medien
    Asbestos and health (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 523-523 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,?In Peter J. Smith's article (October 18) the point is well made that scientists should be more concerned with the practicalities of occupational health. We think it a pity, however, that he should have selected asbestos as an example of a health problem which scientists have ignored, since ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252523c0
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  • 33
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    Digitale Medien
    Arrival of the age of Rama (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 525-526 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT is now generally accepted that the survival of the human race is threatened by twentieth century technology. Mankind must live with the uncertain hope that future innovation will not create more dangers than it removes, and occurs rapidly enough to forestall the collapse of organised industrial ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252525b0
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  • 34
    Digitale Medien
    Digitale Medien
    Chunky sputtering (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 529-530 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THOSE incorrigible optimists who look for salvation to the large-scale controlled release of thermonuclear fusion energy should be cheered by a conference which was held at Argonne National Laboratory near Chicago last January, under the title Surface Effects in Controlled Thermonuclear Fusion ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252529a0
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  • 35
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    Digitale Medien
    Immunity and connective tissue (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 531-532 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE Fifth Lepetit Colloquium on The Immunological Basis of Connective Tissue Disorders was held in Madrid on November 11?13. M. Mannik (University of Washington) described the self-association of IgG rheumatoid factors to form stable dimers in which one antibody binding site on each molecule reacts ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252531b0
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  • 36
    Digitale Medien
    Digitale Medien
    Science journalists come of age in Pisces (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 534-534 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WINDSOR1 has pointed out that the astrological belief in the importance of the ?Sun sign? as an influence on personality seems to be reflected in the distribution of birth dates of American biologists. In particular, he found that molecular biologists tend to be born under Aries. I have now ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252534a0
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  • 37
    Digitale Medien
    Digitale Medien
    Seismic precursors before rock failures in mines (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 549-552 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Seismic precursors (such as anomalous Vp values and/or seismic activity) whose behaviour is qualitatively similar to those reported to precede earthquakes are observed before rock failures in dry underground mines. Similar processes may be involved during failure of rock in the mine and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252549a0
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  • 38
    Digitale Medien
    Digitale Medien
    The coenzyme-binding domains of glutamate dehydrogenases (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 542-546 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A combination of secondary structure predictions and sequence comparisons with dehydrogenases of known structure allows two coenzyme-binding domains to be located in each of the sequences of bovine and Neurospora glutamate dehydrogenases. One domain shows significant sequence homology with the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252542a0
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  • 39
    Digitale Medien
    Digitale Medien
    Seismic slip rates in the Mediterranean and Middle East (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 560-563 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Events for which seismic moment has been determined from Rayleigh wave spectral amplitudes. In spite of the large inaccuracies involved, a comparison5 of relative motions between the major plates determined from seismicity over the last 70 yr with those calculated on the basis of plate ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252560a0
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  • 40
    Digitale Medien
    Digitale Medien
    Submerged platform of marine abrasion around the coasts of south-western Britain (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 563-563 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A platform of this width, cut in resistant Palaeozoic rocks, can hardly have been cut during the successive low sealevels of the Pleistocene, which occupied in total only a small proportion of Pleistocene time. The interglacial ?10 foot platform? recognised in southern and western Wales3, Devon4 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252563a0
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  • 41
    Digitale Medien
    Digitale Medien
    Heavy metal particle characterisation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 571-572 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We have, therefore, trapped air particulates and examined them by scanning electron microscopy, together with an energy dispersive Kevex X-ray analyser attached to a similar microscope. Thus it was possible to select particles down to approximately 1mm diameter. Air particulates were trapped on ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252571a0
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  • 42
    Digitale Medien
    Digitale Medien
    Residence time of sphere or air bubble in sheared non-Newtonian fluids (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 572-574 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 Residence time as a function of radial distance for falling spheres Polymer solution 0.6%Polyhall 1.0%Polyox Radial distance from 0.52 1.85 1.17 1.85 bob surface (cm) 9 (s cm-1) 0.878 0.752 0.607 0.579 Bob rotational 8/1 Speed (r.p.m.) of Aluminium sphere A ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252572a0
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  • 43
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    Digitale Medien
    Oral contraceptive for men (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 585-586 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The acceptability of oral contraceptives for women has led many people to investigate the possibility of producing similar products for use by men1. The major mechanism of action of synthetic steroid hormones in oral contraceptives is inhibition of ovulation, due to suppression of the mid?cycle ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252585a0
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  • 44
    Digitale Medien
    Digitale Medien
    Cortical potentials evoked by finger displacement in man (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 582-584 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Electrical changes, time-locked to movement of the index finger, have now been recorded from twelve subjects using cortical and scalp electrodes. The cortical recordings have been obtained from chronically implanted subdural gold wire electrodes in seven subjects selected for treatment by ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252582a0
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  • 45
    Digitale Medien
    Digitale Medien
    Voltage clamp studies of glutamate synapse (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 591-593 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We studied the extensor tibiae muscle of the metathoracic leg of the locust Schistocerca gregaria. The muscle fibres were clamped using a two microelectrode method, with a potential recording electrode connected to a current passing electrode through a high input impedance amplifier and a feedback ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252591a0
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  • 46
    Digitale Medien
    Digitale Medien
    Alteration of melanocytes by DNA in White Plymouth Rock chickens (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 597-598 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Light micrograph of melanin granules in the feather anlage from the head of a 14-d-old White Plymouth Rock embryo, which was injected with DNA on the day 5 of inclination ( 100). Nucleoprotein was extracted from about 1 g (wet weight) of feather anlage, from 10-d-old Harco chicken embryos. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252597a0
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  • 47
    Digitale Medien
    Digitale Medien
    Antibody activity associated with immunoglobulins synthesised by human lymphoblastoid cell lines (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 604-605 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the course of studies on immunoglobulin (Ig) production in vitro, by means of a haemagglutination-inhibition assay2, supernatants from four human lymphoblastoid lines (of more than 60 tested) were found to agglutinate glutaraldehyde-fixed Ig-coated sheep erythrocytes in the absence of anti-Ig ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252604a0
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  • 48
    Digitale Medien
    Digitale Medien
    Reversible appearance of a specific chromosome which suppresses malignancy (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 610-612 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We examined the genetic constitution of an established tumour line, and the chromosome alterations which may develop, by karyotypic analysis of 122 metaphases in cells from cultures and tumour nodules. Table 1 shows that prolonged maintenance of MC-42 fibrosarcoma cells in tissue culture has no ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252610a0
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  • 49
    Digitale Medien
    Digitale Medien
    Red Sea spreading (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 614-614 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] GIRDLER and Styles1 cite geological evidence2 from the Gulf of Suez area favouring the idea that a Carboniferous Red Sea depression existed. Various views have been put forward concerning the age of the Suez rift structures3"5. Some authorities believe block faulting and rifting does not predate ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252614a0
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  • 50
    Digitale Medien
    Digitale Medien
    Spatial distribution of cometary outbursts (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 615-616 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PATASHNICK et al.1, in reproducing figures of the position of comets at the times of cometary outbursts from the papers of Pittich2,3, have omitted the outbursts of comet P/Schwassmann-Wachmann (1) (1925 II) which have been observed regularly since 1927 (ref. 2). Richter4'5 concluded that the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252615b0
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  • 51
    Digitale Medien
    Digitale Medien
    Book of the moth (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 618-618 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN a world that contains over 100,000 species, authors who must restrict an introductory book to cover only 100 species have a difficult task. Although there may be a temptation to choose only British species, I am delighted to find that this small, unpretentious book makes those new to the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252618a0
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  • 52
    Digitale Medien
    Digitale Medien
    Cold avian studies (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 619-619 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS book is not, as may be expected, a general textbook, but rather a collection of five papers linked together because the work on which they were based was carried out at Rybachi (formerly Rossitten) in the south-eastern Baltic. Paevskii presents detailed lists of ringing recoveries and species ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252619b0
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  • 53
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    Digitale Medien
    Sir Eric Rideal (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 621-621 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR ERIC RIDEAL, MBE, FRS, the distinguished physical chemist, died on September 25, 1974. He was 84. From Trinity Hall, Cambridge, Rideal went to Bonn and obtained his PhD there in 1913. After service in the Munitions Inventions Service, he returned to Cambridge in 1920 as Humphrey Owen Jones ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252621a0
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  • 54
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    Digitale Medien
    Reports and publications (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 621-622 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Great Britain Government and the Quality of Life. By Robert Cooke. Pp. 16. (London: Conservative Publications Centre, 32 Smith Square, SW1, 1974.) [189 Information Engineering and Society. By F. J. M. Laver. (The Ninth Maurice Lubbock Memorial Lecture, 1st March, 1974.) Pp. 18. (London: Oxford ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252621e0
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  • 55
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    Digitale Medien
    CETI: put not your trust in beacons (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 432-433 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THOSE active in promoting interstellar communication, for example through the $10,000 million Project Cyclops, have faith (that a neighbouring technologically advanced civilisation, X, would continuously operate a suitable beacon signal that, in addition to showing our civilisation (a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252432a0
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  • 56
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    Digitale Medien
    Washington seen (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 435-435 
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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 submersible Alvin (based at the Woods Hole Oceanographic Institution) returned this summer from one of the most successful undersea research programmes ever undertaken ?the joint French-American exploration of a section of the Mid-Atlantic Ridge?it faced an uncertain future. Because of a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252435a0
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  • 57
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    Digitale Medien
    Pacem in maribus (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 437-437 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,?Wendy Barnaby's otherwise fair account of the Pacem in Maribus Convocation (Nature, October 11) gives the impression that I said the "non-conventional" living resources of the ocean?such as squids, krill, lantern-fishes?are found mainly in the area beyond the proposed Exclusive Economic Zone. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252437b0
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  • 58
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    Digitale Medien
    Inertial frames in relativity (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 439-440 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE results of Bishop and Landsberg (page 459) have clarified the rather tangled skein of exposition of relativity theory. They have relevance not only for discussions of the principle of equivalence, which is their concern, but also for the exposition of special relativity which Dingle has ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252439a0
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  • 59
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    Digitale Medien
    Receptors for neurotransmitters (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 442-443 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE mechanisms by which a neuro-transmitter, interacting with post-synaptic receptors, induces the characteristic neural response remain shrouded in mystery. In recent years much has been learned about hormone receptors in various tissues by probing their interactions with radiolabelled ligands, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252442a0
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  • 60
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    Digitale Medien
    Towards gamma-ray lasers (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 447-450 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We suggest that two types of γ-ray laser are possible : a gently pumped variety utilising isomer separation and the Mössbauer effect, and a vigorously pumped kind using fast neutron excitation of compressed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252447a0
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  • 61
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    Digitale Medien
    Gravitational searchlight and its astrophysical applications (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 460-460 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The behaviour of matter revolving very close to such an orbit has been considered by several authors1?3. For example, an electron moving in a circular orbit can emit synchrotron-type radiation. It is also possible for gravitational radiation to be emitted by revolving matter. Such effects, however, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252460a0
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  • 62
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    Digitale Medien
    New pole for early opening of South Atlantic (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 464-465 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Seismic profile across the Chain Fracture Zone south of Togo (location on Fig. 2). Note the difference in level of the acoustical basement under a thick sedimentary cover. The free air gravity anomaly is of the order of 40 mGal. The arrow indicates the theoretical location used for the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252464a0
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  • 63
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    Digitale Medien
    Oriented glass ceramic fibre (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 469-470 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Flow produced by impinging jets, a, Centre of symmetry; b, symmetry plane; c, symmetry axis. A large strain rate, free from the complicating effects of rotation, exists along the axis (and in the plane of symmetry) of two opposed fluid jets meeting as shown in Fig. 1 (refs 1 and 3). Along ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252469a0
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  • 64
    Digitale Medien
    Digitale Medien
    Fever in the lizard Dipsosaurus dorsalis (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 473-474 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Because of the similarities in the central nervous control of thermoregulation in reptiles and mammals, and because fever in mammals is accompanied by major behavioural adjustments, we suspected that fever could be produced in a reptile. We now report that bacteria that produce fever in a rabbit ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252473a0
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  • 65
    Digitale Medien
    Digitale Medien
    Sustained oscillations of acetylcholine during nerve stimulation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 485-486 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Torpedo marmorata fishes were received alive from the Station de Biologic Marine, Arcachon, France. Most experiments were done on isolated prisms, which are columns of electroplaques representing the functional unit of the organ3. After careful dissection, the prisms were allowed to recover for 1?2 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252485a0
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  • 66
    Digitale Medien
    Digitale Medien
    A reappraisal of human β MSH (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 492-493 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] It has been shown that the human pituitary contains peptides identical to ? lipotrophin and g lipotrophin4,5, and it is evident that 'human ? MSH', although it differs in length from the other mammalian ? MSHs, is also derived by cleavages of these molecules. The very close correspondence of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252492a0
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  • 67
    Digitale Medien
    Digitale Medien
    Effect of split doses of X rays on neoplastic transformation of single cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 499-501 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We used the in vitro system1,2, in which primary or secondary cultures of hamster embryo cells are seeded at low density to allow for clone formation. More cells are seeded as the dose increases to account for cell killing. Twenty-four hours elapse between plating and irradiation, in order for ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252499a0
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  • 68
    Digitale Medien
    Digitale Medien
    Population estimates from recapture studies (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 509-510 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] BELL1 suggested that P = ((N?a)! (N?n)!)/ (N! (N?a?n)!) is the probability that a population is not larger than N in size, where a animals have been captured, marked, and released, and on a subsequent occasion n animals have been captured, all of which have been found to be unmarked. Though P is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252509b0
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  • 69
    Digitale Medien
    Digitale Medien
    Tin mineralisation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 511-511 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SILLITOE'S recent letter1 on tin mineralisation and mantle hotspots is grossly misinformed about the age of the tin mineralisation in South West Africa. The tin deposits do occur in pegmatites but they are unrelated to the possible plume generated Jurassic?Cretaceous alkaline complexes in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252511b0
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  • 70
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    Digitale Medien
    Towards a new technology (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 513-514 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE publication of this book comes at an opportune time in the development of potentially important applications of superconductivity; a time when important decisions on the extension of existing programmes are under consideration. Unlike the semiconductors, the future of superconductors seems to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252513a0
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  • 71
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    Digitale Medien
    Encompassing the North Atlantic (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 515-516 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE North Atlantic must be among the most comprehensively surveyed ocean basins; and in order to arrive at a picture of its age and evolution it is necessary to consider not only the marine geophysical data amassed in recent years, but also a century or more of detailed geological research on the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252515c0
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  • 72
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    Digitale Medien
    For those in peril: 3-not only on the factory floor (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 338-338 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE discussion by Peter J. Smith of occupational exposure to asbestos (Nature, October 18) highlights a major obstacle to a concerted effort by the scientific community in the field of the relationship of mineral and rock dusts to human disease, namely the apparent lack of awareness of the problems ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252338a0
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  • 73
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    Digitale Medien
    Flowers to head new European Science Foundation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 339-339 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE European Science Foundation took a large step forward in Strasbourg last week with the election of officers and the creation of an executive council. Sir Brian Flowers, physicist and Rector of Imperial College, was elected President and the two Yice-Presidents are Professor O. Reverdin, a Greek ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252339a0
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  • 74
    Digitale Medien
    Digitale Medien
    Answer from India (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 342-342 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,?It is regrettable that your journal should have given such prominence to an article??Doubts Over US in India? (Nature, September 20)?consisting of vague allegations and innuendoes against respected scientific bodies. In the entire article I found only three factual statements capable of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252342a0
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  • 75
    Digitale Medien
    Digitale Medien
    Phonon transmission (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 346-346 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE transmission coefficient of phonons travelling from a silicon crystal into superfluid helium exhibits a maximum when the phonon energy corresponds to a temperature of about 5K, according to a thermal pulse experiment by Swanenburg and Wolter of the Philips Research Laboratories at Eindhoven ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252346a0
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  • 76
    Digitale Medien
    Digitale Medien
    Inbreeding to preserve diversity (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 345-346 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN the Uganda kob antelope there exists a system of social behaviour designed to prevent clandestine matings. Individual males fight for and guard small territories of between 10 and 20 m in diameter. A cluster of 30 to 40 such territories is called a lek. In the Torro Game Reserve in Western ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252345b0
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  • 77
    Digitale Medien
    Digitale Medien
    Herpesviruses and oncogenesis (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 348-350 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE second meeting on this topic, held in Niirnberg between October 14 and 16, dealt mainly with four types of virus known or suspected to be onco-genic in man or animals: Epstein-Barr virus (EBV) in man, Marek's disease herpesvirus (MDV) in chickens, herpesvirus saimiri and ateles in monkeys, and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252348a0
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  • 78
    Digitale Medien
    Digitale Medien
    Optical variability of PKS0048-097 (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 365-365 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Thirty-three blue photographic plates from the Harvard archives, taken between 1921 and 1955 (27 between 1948 and 1955), were measured with a Cuffey Iris Astrophotometer. Relative magnitudes were derived from a reference sequence around the object, which was obtained by a transfer from Mount Wilson ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252365a0
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  • 79
    Digitale Medien
    Digitale Medien
    Geomagnetism and the tropospheric circulation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 368-370 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The purpose of this communication is to point out that it is unnecessary, and probably misleading, to postulate any causal relationship between the geomagnetic field and the 500-mbar contours, because the main features of the maps of 500-mbar contours can be explained by direct calculation from ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252368b0
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  • 80
    Digitale Medien
    Digitale Medien
    Exfoliated pebbles and sheeting in the Triassic (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 375-376 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Two facies are developed in the Upper Triassic of South Wales4,5?the JCeuper Marl, a purplish-red dolomitic silt, which is considered to have formed in a hypersaline lake or inland sea6?8, and the ?littoral? or marginal Triassic (wherein the weathering phenomena occur), red beds of variable ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252375a0
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  • 81
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    Digitale Medien
    Reliability of amino acid racemisation dating and palaeotemperature analysis on bones (Reply) (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 379-381 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Bender points out that several factors (temperature, protein hydrolysis, and so on) can influence the extent of amino acid racemisation in a fossil. I am fully aware of these factors and have discussed the potential limitations of racemisation dating which arise from each of them3?5. The bovine ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252379a0
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  • 82
    Digitale Medien
    Digitale Medien
    Origin proposed for non-protein amino acids in meteorites (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 388-388 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In other experiments, thermal synthesis of amino acids occurred in a simulated primitive atmosphere of methane, ammonia and water, followed by acid hydrolysis of the products. P-Alanine was obtained in high yield, relative to other amino acids, and the straight-chain compound, b-amino-n-butyric ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252388a0
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  • 83
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    Digitale Medien
    Evidence for downwind flights by host-seeking mosquitoes (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 388-389 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] If the search flight is in a generally upwind direction, it should be possible to divert mosquitoes round a host by setting up a barrier on the downwind side and so provide a measure of protection from their attacks. The barrier would need to be sufficiently far away for the mosquitoes to encounter ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252388b0
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  • 84
    Digitale Medien
    Digitale Medien
    Giemsa banding of metaphase chromosomes in triatomine bugs (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 392-393 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The procedure is as follows: 5?7-d-old embryos are dissected out from bug eggs, placed in hypotonic sodium citrate solution (1% for 8 min) and the cells dispersed in 0.25% trypsin in 0.02% versene. The suspension is washed in insect ringer, centrifuged and fixed in alcohol?acetic acid. Slides are ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252392a0
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  • 85
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    Digitale Medien
    Human x mouse hybrid cells segregating mouse chromosomes and isozymes (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 401-404 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The human fibroblast parent used was WI?18?VA2 (VA2)2, a SV40-transformed clonal derivative of WI?18, deficient in hypoxanthine phosphoribosyltransferase (HPRT) and thus unable to grow in HAT?supplemented medium3. A suspension of parental mouse cells was obtained by dissecting specific anatomical ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252401a0
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  • 86
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    Digitale Medien
    Transcription, translation and maturation of succinate dehydrogenase during cell cycle (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 410-412 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Cycloheximide specifically inhibits protein synthesis of this strain of Chlorella6 and its addition at 15 h in the 24 h cycle completely prevents the stepwise accumulation of succinate dehydrogenase (Fig. 1a) which would normally begin then7. It is striking that addition of the inhibitor less than ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252410a0
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  • 87
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    Digitale Medien
    Presence of J chain in human immunocytes containing various immunoglobulin classes (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 418-420 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Human J chain was purified from dimeric IgA by reduction with 10?20 mM dithiothreitol, gel filtration and immuno-adsorption with an insolubilised antiserum to human serum12. Four rabbits each received subcutaneous injections of 0.4 mg J chain coupled to bovine serum albumin (BSA)13 and emulsified ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252418a0
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  • 88
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    Digitale Medien
    Industrial revolutions (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 423-423 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE focus of research into the process of technological innovations seems to have shifted recently to the developing countries. From the problems of 'high' technology and science-based industries, one now hears increasingly about transferring technology to the countries of the Third World; and it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252423a0
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    Digitale Medien
    More campaigns in the pest war (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 425-425 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ANY author attempting to describe what is known about the mode of action of poisons faces an unenviable yet stimulating task, for information on the molecular basis of normal physiological activities is frequently incomplete. Impulses pass along nerves by the opening of ionic 'gates' but little is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252425c0
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  • 90
    Digitale Medien
    Digitale Medien
    Crystal chemistry (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 427-427 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN his introduction to this first volume in the series of publications on the crystal chemistry of non-metallic materials, Professor Rustum Roy comments on the fact that few books have been published on the subject of crystal chemistry. If the forthcoming volumes in the series maintain the high ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252427b0
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  • 91
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    Digitale Medien
    Tropical forests (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 428-428 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS lucidly written and useful booklet belies its ambitious title, for, as stated in its preface its principle contribution is a synthesis of results of physiological experiments on Ghanaian forest trees carried out in controlled environments, and parallel field investigations; both are then ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252428d0
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  • 92
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    Digitale Medien
    Academics in the boardroom (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 261-261 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A FEW years ago a colleague working in a university was approached by an establishment of the Ministry of Defence with an invitation to become a consultant on some matters in which he was an expert. He underwent an extensive security grilling (the establishment had an unenviable record of leaks and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252261a0
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  • 93
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    Digitale Medien
    Round Britain (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 264-264 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] "NOTHING has happened to climate in the past few years that is not the sort of thing that has happened already in the past few centuries". These words from Dr J. S. Sawyer (pictured right) of the UK Meteorological Office, sum up the 'establishment' view of the present concern about climatic doom ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252264a0
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  • 94
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    Digitale Medien
    Messenger RNA doing without poly(A) (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 268-269 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ONE of the tenets of cell biology has been that all messengers in the cytoplasms of eukaryotic cells (with the sole exception of the hist one mRNAs) contain a length of poly(A), which fulfils some essential, although as yet unidentified function. When polysomal mRNA is examined for poly(A) content ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252268b0
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
    Digitale Medien
    Digitale Medien
    Density of galactic space (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 272-272 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE mean density of space in the solar region of the Milky Way galactic plane is an important astrophysical quantity. First it is a fundamental parameter in the study of galactic dynamics and second it gives a lead to the way in which the galactic material is proportioned out between stars, gas and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252272a0
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  • 96
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    Digitale Medien
    Cattle help in conservation (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 274-274 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ALTHOUGH conservation has come to mean much more than the simple preservation of rare species, the prevention of extinction of threatened plants and animals is still an important concern of the conservationist. Apart from the possibility of aesthetic loss (consider how great a contribution the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252274a0
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  • 97
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    Digitale Medien
    Observation of tissue metabolites using 31 P nuclear magnetic resonance (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 285-287 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] 31P NMR spectra of intact biological tissues can now be observed. The use of the spectra to study the course of reactions within the tissues is illustrated by experiments on muscle and its glycogen particle ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252285a0
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
    Digitale Medien
    Digitale Medien
    Thermospheric winds from laser tracking of sodium clouds (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 291-292 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Steerable laser radar. L, Rhodamine 6G flashlamp-pumped dye laser; M, steerable plane mirror (0.6 m x 0.4 m), N,O, Newtonian receiving telescope (aperture diameter 0.3 m), P, photomultiplier, processing and recording electronics; T, equipment trailer. To measure night-time winds at all ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252291a0
    Standort Signatur Erwartet Verfügbarkeit
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  • 99
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    Digitale Medien
    Preparation of human placental villous surface membrane (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 302-303 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The surface membrane of human chorionic villi represents the effective foeto-maternal junction and therefore a preparation of this membrane would be of value in studying the immunochemistry of the foeito-maternal relationship. We have used a simple saline extraction technique to remove this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252302b0
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
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    Digitale Medien
    Antigenic specificity of retinal pigment epithelium and non-immunological involvement in retinal dystrophy (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 307-308 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Indirect immunofluorescence study of Cryostat ocular sections and RPE cultures from albino rabbits. The sections of sensory retina, RPE and choroid were cut in a tangential oblique plane; ciliary processes were sectioned anteroposteriorly. Primary explants of rabbit RPE, grown on glass, were ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/252307a0
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