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  • 1945-1949  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Colour Phenomena in Ultra-Violet Vision (1945)
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 176-176 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE note by N. I. Pinegin1 suggests a more detailed discussion of the relation between the threshold intensities for scotopic and photopic vision in the ultra-violet. The threshold ratio Tp/Ts is a measure of the intensity range, often misleadingly called ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/155176a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Electron Defect Centres in Alkali Halides (1949)
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 653-654 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE absorption curves of crystals of sodium and A potassiumxinloride coloured by X-rays obtained by Molnar1 heCve shown a rise in absorption towards the ultra-violgt edge (2,300 A.) of his spectral range. We have roaae measurements of this F-band2 extending dowpr'to 2,000 A. which have established ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/164653b0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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