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  • Artikel: DFG Deutsche Nationallizenzen  (13)
  • 1950-1954  (8)
  • 1945-1949  (5)
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  • Artikel: DFG Deutsche Nationallizenzen  (13)
Materialart
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    Use of Radioactive Tracers in Biological Research (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 388-390 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IF a chemist is asked to report on the use of the new tracer tedpaique in biology, it is obvious that he is expected lAt to discuss the scientific problems, but the labouratory technique. The direction of the whole worte^n-om the first planning of the experiments tdfcdbyijfinal interpretation of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/163388a0
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Scientific Research in the British Zone of Germany (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 191-192 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FOR the second time within a period of thirty years, science in Germany is struggling for its existence; but the problems of to-day are different from those of 1918, and so are the ways and means by which a solution is being attempted. When, after the First World War, Germany had collapsed, the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/161191a0
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Radiochemical Studies on Free Radicals (1952)
    [s.l.] : Nature Publishing Group
    Nature 169 (1952), S. 618-618 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We have tried to simplify, and at the same time to increase the accuracy of these experiments by a radiochemical technique. The use of radioactive mirrors in free radical studies is not new. Leighton and Mortensen2 employed invisible mirrors of radium D and E to detect very low concentrations of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/169618a0
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    The Making of the Missing Chemical Elements (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 8-10 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ALMOST five years ago, in a lecture to the Institute of Chemistry in London, the success that radioactive methods had achieved in the task of completing the Periodic System was described1. In the table given, the place of element 87 was filled by the symbol of a newly discovered branch product in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/159008a0
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  • 5
    Digitale Medien
    Digitale Medien
    Production by Cosmic Rays of Helium-3 in Meteorites (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 200-201 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] These results were considered as proving the cosmic ray origin, in the meteorites richest in helium, of the helrum-3 and most of the helium-4 ; but various questions concerning the mechanism of the helium formation by cosmic rays and the relative amounts of the two helium isotopes thus created ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/172200a0
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Variations in the Chemical Composition of Stratosphere Air (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 358-360 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN a previous article1 analyses of upper air samples obtained from 52-66-5 km. height by means of V2 and Aerobee rockets were described, and it was shown that in all cases the composition of the samples was nearly the same as at ground-level, with respect to the ratio of helium, neon and argon to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/168358b0
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  • 7
    Digitale Medien
    Digitale Medien
    Chemical Composition of the Stratosphere at 70 Km. Height (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 128-129 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FOR various problems in meteorology and physics, it is of importance to know the composition of the earth's atmosphere at all heights. The most direct approach, namely, chemical analysis by laboratoryxnethods, depends on our ability to obtain the samples; the few stratosphere nights by manned ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/164128a0
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  • 8
    Digitale Medien
    Digitale Medien
    Cosmic-Ray Production of Helium in Meteorites and their Ages (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 1168-1169 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT has recently been proved that a major part of the helium found in iron meteorites is due to the influence of cosmic rays1. This interaction should produce helium-3, helium-4 and tritium (see, for example, ref. 2), and the tritium will have decayed in geological time to helium-3. Helium-3 has ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1721168a0
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Meteorites and Cosmic Rays (1952)
    [s.l.] : Nature Publishing Group
    Nature 170 (1952), S. 729-729 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DR. S. F. SINGEB has kindly shown me the preceding paper. It may interest readers that in a recent article1 containing various experimental results obtained partly in collaboration with the Clarendon Laboratory in Oxford figures are given for the helium-3 content of five iron meteorites. They are ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/170729a0
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  • 10
    Digitale Medien
    Digitale Medien
    [Letters to Editor] (1947)
    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 164-164 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE foregoing letter may create the impression that Del Rio only “temporarily” abandoned his claim to the discovery of erythronium, misled by “Descotils' error” and Humboldt's persuasion. This, however, is not the story he himself tells in his last contribution to the subject1. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/160164a0
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