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  • 1955-1959  (4)
  • 1945-1949  (15)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 56 (1949), S. 0 
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 623-623 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Born and Bradburn1 have deduced the nature of the Raman spectrum of rock-salt to be expected on the basis of the Born lattice dynamics. They claim to have explained satisfactorily the observed features of the rock-salt spectrum reported by Fermi and Rasetti2. I ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 45-45 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the recent Faraday Society discussion on infrared spectroscopy reported in Nature of February 17, 1945, certain comments were made on the work done at this Institute on diamond. The full report of the discussion is now in our hands, and we wish to point out that, contrary to what was stated ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 156 (1945), S. 267-267 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RASETTI1 succeeded in recording a Raman spectrum with rock-salt, using the 2537 A. radiations of the mercury arc as exciter. But as neither his preliminary report nor his subsequent paper with Fermi2 gives quantitative details of the spectrum, it appeared desirable ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 171-171 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE new approach to the dynamics of crystal lattices made by Sir C. V. Raman1 leads in the case of diamond to the result2,3 that the atomic vibration spectrum of this crystal should exhibit eight distinct monochromatic frequencies. Of these, the highest frequency ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 234-235 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As was first shown by Raman and Nilakantan1,2,3, the (111) crystal planes in diamond exhibit sharply defined reflexions of monochromatic X-rays incident on them which are distinct from the well-known Laue and Bragg effects. The same authors3 showed that the ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 60-61 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] USING the λ2536.5 radiation of the mercury arc as the exciter and a Hilger ‘Intermediate’ quartz spectrograph, the faint second-order Raman spectrum of diamond was first successfully recorded by me1. Later investigations2,3 with somewhat larger diamonds and with a ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 518-520 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To achieve this, three values of the frequency shifts must be assumed. For convenience, the shifts of the longitudinal component arising from the elastic waves moving approximately along the direction [144], which is inclined at about 10 to [011], and the longitudinal and transverse components of ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 692-693 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The 'OH' quality was irradiated by neutrons in the APSARA reactor (Trombay) by the courtesy of the Indian Atomic Energy Commission. The Integrated neutron flux hours were 47 X 10U neutrons/cm.2. The specimen was coloured violet-brown after irradiation. The variation of C with wave-length for the ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 540-541 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. The stress optical coefficient of vitreous silica The value of q12 increases from 2-35 x 10~13 at 2300 A. to 2-49 X 10"18 at 5500 A., and that of qix increases from 0-24 X 10"18 at 2300 A. to + 0-11 10~13 at 5500 A. (q12 and qlt are given in c.g.s. units). The variation of the stress ...
    Type of Medium: Electronic Resource
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