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  • Articles  (50)
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  • 1
    Electronic Resource
    Electronic Resource
    Positive Ions in Gas Discharges (1950)
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 228-230 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE treatment of the ions in the positive column of a glow discharge as though they had a Max-wellian velocity distribution, giving a current density to a strongly negative probe equal to the random ion current-density in the plasma, is frequently inconsistent with 'Langmuir1 probe measurements, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/165228a0
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  • 2
    Electronic Resource
    Electronic Resource
    Reproduction of Photographically Recorded Oscillograph Signals (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 227-229 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE practice of recording the secular variation of an E.M.F. signal, representing some physical variable, by photographing an oscillograph screen on a moving film, is now common to almost every branch of applied science; in the past decade, many thousands of feet of film have been so used in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161227a0
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  • 3
    Electronic Resource
    Electronic Resource
    Technological day-dreams (1978)
    [s.l.] : Nature Publishing Group
    Nature 276 (1978), S. 149-150 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Spaceships of the Mind. By Nigel Calder. Pp.144. (British Broadcasting Corporation: London; Viking: New York, 1978.) £6.50; $14.95. WHEN a project in space science or technology is undertaken in the real world, the lives and reputations of real people are at risk. Real public money is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/276149a0
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  • 4
    Electronic Resource
    Electronic Resource
    Islands in space (1977)
    [s.l.] : Nature Publishing Group
    Nature 270 (1977), S. 83-83 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A POPULATION of several thousand million people located in space colonies, within a mere 35 years of the initiation of a space colonisation programme, is typical of the thinking- one might even say the evangel-of Dr O'Neill. In this readable and extraordinarily optimistic (promotion of the cause of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/270083a0
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  • 5
    Electronic Resource
    Electronic Resource
    An O + Layer at 1,200 km (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 1185-1186 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The broad features follow and amplify the diurnal and latitude variation already indicated and will be reported in greater detail elsewhere. The purpose of this communication, however, is to direct attention to an unforeseen effect. Fig. 1. Observations of the percentage of O+ in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2071185a0
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  • 6
    Electronic Resource
    Electronic Resource
    Preliminary Study of a New Charge Image Detector (1968)
    [s.l.] : Nature Publishing Group
    Nature 220 (1968), S. 556-561 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Information can now be read in the form of an extended spatial distribution of charge. The technique involved shows considerable promise for use in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/220556a0
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  • 7
    Electronic Resource
    Electronic Resource
    Space Research (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 361-364 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE has probably never been a more rapid and far-reaching revolution in scientific technique than has been brought about by the advent of space-probing rockets. Between the end of the Second World War and the start of the International Geophysical Year more than one hundred upper atmosphere ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183361a0
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  • 8
    Electronic Resource
    Electronic Resource
    Electron Energy Distribution in the Striated Hydrogen Discharge (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 633-633 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The method employed makes use of the result of Druyvesteyn1 that for an isotropic distribution the energy distribution function is given hyf(E) - Vll2.-Tjir2 where i is the current to a Langmuir probe at a potential V with respect to the space. The quantity -7 -- may be determined in various ways, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173633a0
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  • 9
    Electronic Resource
    Electronic Resource
    Celestial Laboratories (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 4-10 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Chinese chronicle T-Hung-Lian-Kang-Mu records the siege of the city Kai-Fung-Fu by the Monguls in the year A.D. 1232. The defenders, it would appear, had two new weapons at their disposal, both of them depending on the use of gunpowder. The picturesque names of these devices are translated ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/198004a0
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  • 10
    Electronic Resource
    Electronic Resource
    A Mass-Spectrometer Probe Method for the Study of Gas Discharges (1950)
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 142-144 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN studying the general equilibrium of the electronegative discharge, with special reference to the collision processes occurring in an oxygen plasma, it became necessary to provide a Langmuir probe method capable of discriminating between ions of atomic or molecular species and of separating the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/165142a0
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