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  • Springer  (128)
  • Nature Publishing Group  (33)
  • American Society of Hematology  (9)
  • 1990-1994  (136)
  • 1965-1969  (34)
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Years
Year
  • 11
    Electronic Resource
    Electronic Resource
    Cooling of Neutron Stars (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 364-366 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE discovery of discrete sources of X-rays in the JL sky has led to much speculation as to the mechanisms responsible for the X-ray emission1-6 Among these suggestions has been the thermal emission of X-rays from the hot surfaces of neutron star remnants of supernova explosions1-8. Calculations of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/207364a0
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  • 12
    Electronic Resource
    Electronic Resource
    Possible Magnetospheric Phenomena associated with Neutron Stars (1965)
    [s.l.] : Nature Publishing Group
    Nature 205 (1965), S. 787-787 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the earlier part of 1964 evidence unfavourable to the neutron star hypothesis for X-ray sources accumulated. Thus Bowyer, Byram, Chubb and Friedman7 showed from a lunar occultation measurement that the diameter of the X-ray source associated with the Crab Nebula is about one light year, and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/205787a0
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  • 13
    Electronic Resource
    Electronic Resource
    Analysis of Meiotic Exchange by Tritium Autoradiography (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 946-947 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Young male imagines of Schistocerca gre-garia were given a single injection containing 20 ^Ci of 3H-thymidine in a volume of 0-05 ml., then maintained in an insect cage at approximately 32 C while individual insects were sampled at half-day intervals and their testes dissected and fixed. Feulgen ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223946a0
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  • 14
    Electronic Resource
    Electronic Resource
    Spin Down Effects in Neutron Stars (1969)
    [s.l.] : Nature Publishing Group
    Nature 222 (1969), S. 862-863 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The slowing down of the rotation of a neutron star presumably occurs as a result of torques applied to it through its external magnetic field. We wish to point out that these torques need not necessarily be uniformly applied to the neutron star as a whole. We imagine instead that only the outer ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/222862b0
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  • 15
    Electronic Resource
    Electronic Resource
    Role of Austenite and Mineral Oil in Lubricant Failure (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 481-482 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With a similar apparatus we used a steel (EN 39 B) which was chiefly bainite (hardness, Vickers pyramid number 440) but no austenite. In Fig. 1A the friction temperature curve, using an Admiralty turbine oil, OEP-90, and a tungsten carbide hemispherical slider, is shown. By gas carburizing and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217481a0
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  • 16
    Electronic Resource
    Electronic Resource
    Population Growth and Blood Groups (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 778-778 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Sperm counts in millions/ml. O Blood A i groups B AB Total 〉40 57 48% 50 41% 10 8-3% 3 2-5% 120 20-40 13 53% 9 37-5% 2 8-3% 0 0% 24 0-20 10 35-7% 14 50% 3 10-7% 1 3-6% 28 Nil 15 37-5% 19 47-5% 6 15% 0 0% 40 212 Blood group (donors) distribution ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/215778a0
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  • 17
    Electronic Resource
    Electronic Resource
    Stellar Accretion and X-ray Emission (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 464-466 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Shklovsky has suggested that the Scorpius X-ray source is a binary pair and that the X-radiation arises from the collision of material from a giant star with a neutron star. The theoretical complications of such a model are now found not to match actual measurements and it is suggested that the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/215464a0
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  • 18
    Electronic Resource
    Electronic Resource
    Friction Transition Temperature Effect of Matching Surfactant and Carrier (1967)
    [s.l.] : Nature Publishing Group
    Nature 214 (1967), S. 429-430 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] If it is assumed2 that the system obeys the Langmuir adsorption iostherm and that the critical transition temperature from low to high friction occurred when half the adsorption sites were covered, it is possible to connect the concentration C of surfactant in moles/1,000 g solvent and the absolute ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/214429a0
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  • 19
    Electronic Resource
    Electronic Resource
    Active sonar detection in multipath: A New bispectral analysis approach (1994)
    Springer
    Circuits, systems and signal processing 13 (1994), S. 455-466 
    Details
    ISSN: 1531-5878
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Detecting active sonar returns in multipath media is a central underwater signal processing problem. This paper studies a new approach to active sonar detection using bispectral analysis of sonar data. Its sensitivity to non-stationarities is used to develop a threshold detector that can be applied to broad classes of signals and noise. Precise statistical descriptions of the underwater medium and noise are not required. Theoretical analyses predicting its performance as a function of signal-to-noise ratio and time-bandwidth product are presented. Computer simulation experiments verify the results and show that its performance compares favorably to that of conventional detectors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01183741
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  • 20
    Electronic Resource
    Electronic Resource
    Extended generalized quadrangles (1990)
    Springer
    Geometriae dedicata 35 (1990), S. 193-228 
    Details
    ISSN: 1572-9168
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Extended generalized quadrangles (roughly, connected structures whose every residue is a generalized quadrangle) are studied in some detail, especially those which are uniform or strongly uniform. Much basic structure theory is developed, many examples are given, and something approaching characterization is given for many types.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00147347
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