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  • 1
    Electronic Resource
    Electronic Resource
    Role of Thiamin and Riboflavin in the Biosynthesis of Vitamin C (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 238-238 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE rat is known to synthesize vitamin C in the course of its normal metabolism. It has been observed by Longenecker and associates1 that this synthesis can be greatly stimulated, resulting in the high urinary excretion of the vitamin, when the rats are given daily a variety of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158238b0
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  • 2
    Electronic Resource
    Electronic Resource
    Interstellar diamonds in meteorites (1987)
    [s.l.] : Nature Publishing Group
    Nature 326 (1987), S. 160-162 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Thinking that CS might be the C60 cluster 'buckminsterfuller-ene'5, we isolated a new sample from the Allende C3 V chondrite, aiming for maximum purity rather than maximum yield. After dissolving the major minerals in HF-HC1, we generated a colloid from the remaining 0.5% residue, leaving behind ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/326160a0
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  • 3
    Electronic Resource
    Electronic Resource
    Ordering of FeNi in clear taenite from meteorites (1980)
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 255-255 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CLEAR taenite in meteorites1 contains 48-57% Ni and is optically anisotropic2, unlike taenite (? Fe,Ni) which is isotropic. We have proposed2 that clear taenite is composed of ordered FeNi, a phase first identified in iron meteorites by Albertsen et al.3. Mehta et al.4 have obtained additional ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/287255a0
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  • 4
    Electronic Resource
    Electronic Resource
    Indian scientific and technical personnel abroad (1975)
    [s.l.] : Nature Publishing Group
    Nature 255 (1975), S. 289-292 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANPOWER being an essential input for any developmental programme, India adopted in the post-independence years a programme of rapid expansion of education in science and technology to meet the requirements for development of science and technology. The number of universities was gradually ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/255289a0
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  • 5
    Electronic Resource
    Electronic Resource
    Decimal Lakh (1970)
    [s.l.] : Nature Publishing Group
    Nature 228 (1970), S. 589-589 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIB,-As the day of formal and wide acceptance of the decimal system draws closer, may I make a public request in favour of an Indian unit ? It is Laksha, written in English as Lakh, standing for 100,000. Surely, a lakh is a better way of saying one hundred thousand. Yours faithfully, S. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/228589d0
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  • 6
    Electronic Resource
    Electronic Resource
    An Antarctic iron meteorite contains preterrestrial impact-produced diamond and lonsdaleite (1981)
    [s.l.] : Nature Publishing Group
    Nature 291 (1981), S. 396-398 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALHA77283 is a 10.5-kg carbon-rich octahedrite8 of chemical group IA, containing 7.33% Ni, 69p.p.m. Ga, 230p.p.m. Ge, and 2.2 p.p.m.Ir. It is similar in composition and structure to the Canyon Diablo meteorite and distinct from the other iron meteorites so far recovered from the Allan Hills. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/291396a0
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  • 7
    Electronic Resource
    Electronic Resource
    Structures of Native and Mercerized Celluloses (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 298-300 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a previous publication, Sen and Woods1 reported the presence of two new equatorial reflexions in the diffraction pattern of native celluloses of various origins. Continuation of this work with more detailed experimentation has now made it possible to make certain assertions with regard to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173298b0
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  • 8
    Electronic Resource
    Electronic Resource
    Polarization Field and the Acoustic Modes of Oscillation of Alkali Halide Crystals (1952)
    [s.l.] : Nature Publishing Group
    Nature 170 (1952), S. 159-160 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The important part which the polarization field plays in determining the resonance frequency of the crystal is indeed to be expected from other considerations. Let us consider, for example, the dielectric constant of the crystal, and confine attention to the contribution from the relative ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/170159a0
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  • 9
    Electronic Resource
    Electronic Resource
    Elastic Constants of Alkali Halide Crystals (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 869-870 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Let us first consider a crystal of the sodium chloride type, and take the co-ordinate axes along the cubic axes of the crystal, and the origin at the equilibrium position of ion 1. It is found that the e's and the p's can be expressed in terms of the following two series, in which %, ij, t, are ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/168869a0
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  • 10
    Electronic Resource
    Electronic Resource
    Identification of clear taenite in meteorites as ordered FeNi (1979)
    [s.l.] : Nature Publishing Group
    Nature 281 (1979), S. 360-362 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Optical anisotropy in clear taenite is best observed in well polished sections using oil-immersion objectives and a powerful source of polarised light. Contrast can often be improved by slightly uncrossing the polars. Clear taenite shows a characteristic pattern of irregular grains (Fig. 1) in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/281360a0
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