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  • 1
    Electronic Resource
    Electronic Resource
    Moeller-Plesset study of the H4CO potential energy surface (1980)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 84 (1980), S. 3394-3401 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100462a017
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  • 2
    Electronic Resource
    Electronic Resource
    The lowest singlet potential surface of formaldehyde (1981)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 85 (1981), S. 1467-1468 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150611a003
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  • 3
    Electronic Resource
    Electronic Resource
    The Four Elastic Constants of Diamond (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 518-520 
    Details
    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
    URL: http://dx.doi.org/10.1038/182518b0
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  • 4
    Electronic Resource
    Electronic Resource
    Stress Optical Coefficients of Different Specimens of Vitreous Silica (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 692-693 
    Details
    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
    URL: http://dx.doi.org/10.1038/181692a0
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  • 5
    Electronic Resource
    Electronic Resource
    Dispersion of the Photoelastic Constants of Fused Silica (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 540-541 
    Details
    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
    URL: http://dx.doi.org/10.1038/179540b0
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  • 6
    Electronic Resource
    Electronic Resource
    Raman spectra of alkali halides (1965)
    Springer
    The European physical journal 183 (1965), S. 130-139 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this article, we present a comparative study of the Raman spectra of alkali halides in relation to the lattice dynamics ofBorn andRaman. It is shown that the experimentally observed limit of the second-order spectra in almost all the cases can be explained well by the Lyddane-Sachs-Teller relation. It is also seen, while, an explanation of the second-order Raman spectrum of a crystal of diamond or zinc blende structure requires the frequencies from the critical points,W, Γ, X andL inBorn's analysis, the frequencies fromΓ, X andL alone are sufficient and necessary for an interpretation of the same onRaman's model. Some similarities in the determination of the long wave properties of crystals like elastic constants and limiting frequencies of the lattice vibrations in the symmetry directions in both the models are pointed out.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01380789
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  • 7
    Electronic Resource
    Electronic Resource
    Sputtered ductile amorphous Fe80B20 foils (1984)
    Springer
    Applied physics 34 (1984), S. 111-115 
    Details
    ISSN: 1432-0630
    Keywords: 61.40 ; 75 ; 81.10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Ductile amorphous foils of Fe80B20 have been sputter-deposited. We report here the results of structural and magnetic studies on these samples. Structural analysis shows slight differences between amorphous foils and ribbons. From the high-field measurements (H〈15 T) the magnetic moment of Fe is estimated as 2.1±0.02 at 4.2 K in agreement with the value reported for ribbons. However, the magnetization is less temperature dependent in the foil, as compared to the ribbon. This result would indicate a lesser fluctuation in the exchange integralJ and hence lesser variations in the local environment of Fe. Finally the thermal stability is shown to be higher in the foils. It is suggested that sputtering technique could be used to prepare amorphous foils of large area for certain applications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00614762
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  • 8
    Electronic Resource
    Electronic Resource
    Adiabatic Piezo-Optic Coefficient of Heavy Water (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 497-498 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The adiabatic piezo-optic coefficient was determined by an interferometric technique1 employing a Rayleigh-Zeiss refractometer, and adequate precautions were taken to eliminate errors due to expansion of the cell, etc. The measured value of the adiabatic piezo-optic coefficient for sodium D line ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180497a0
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  • 9
    Electronic Resource
    Electronic Resource
    Effect of chronic administration of acetylsalicylic acid on lipid metabolism in growing rats (1968)
    Springer
    Cellular and molecular life sciences 24 (1968), S. 899-900 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé L'administration prolongée d'acide acétylsalicylique à de jeunes rats (0.3 mg/g) a provoqué des augmentations temporaires d'acide palmitique dans les phospholipides du cerveau et du foie. Des augmentations temporaires d'acide stéarique et des diminutions d'acide arachidonique ont été aussi observées dans les phospholipides du foie. Les changements observés dans les phospholipides du foie permettent de supposer que l'acide acétylsalicylique affecte peut-être les enzymes désaturisant les acides gras.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02138638
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  • 10
    Electronic Resource
    Electronic Resource
    A simple application of the Bailey-Orowan creep model to Fe-39.8 at % AI and γ/γ′-α (1984)
    Springer
    Journal of materials science 19 (1984), S. 509-517 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A method which allows calculation of recovery rates and work hardening coefficients for creep from simple constant velocity compression experiments is described. Stressing rates and straining rates are computed from the measured load-time curves, and these quantities are then fitted to the universal form of the Bailey-Orowan equation for creep. The techniques were applied to B2 crystal structure Fe-39.8 at % Al intermetallics and the directionally solidified eutectic alloyγ/γ′-α compression tested between 1200 and 1400 K. The recovery rates were found to be functions of nominal strain rate, stress, and temperature; the hardening coefficients were dependent only on temperature. Hardening coefficients for the aluminides are small (〈0.002 of the elastic modulus) and are believed to be due to the lack of dislocation barriers. A more typical value for the hardening coefficient (∼ 0.05 of the elastic modulus) was observed inγ/γ′-α. Recovery rates and hardening coefficients can be described in terms of stress and temperature, and the equations used to estimate creep rates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02403238
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