Materials Literature
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The Thomas-Fermi statistical theory of the free atom is used to calculate the momentum distribution and the shape of the Compton profile for X-ray scattering, the results being expressed in dimensionless form applicable to all atoms. The mean momentum, which varies as Z 2/3 , where Z is the atomic number, agrees well…
To the definition of the state of ``liquid with thermally fixed structure'' is added that of ``liquid with chemically fixed structure.'' Polystyrene is combined with increasing proportions of divinylbenzene. The resulting space network is represented analytically by means of the definition of a mesh width. The second-…
The influence of hydrostatic pressure on the Curie temperature of BaTi${\mathrm{O}}_{3}$ single crystals has been investigated. With increasing pressure a linear shift of the Curie point towards lower temperature is observed with a slope of -5.8\ifmmode\times\else\texttimes\fi{}${10}^{\ensuremath{-}3}$ degree/atmos. T…
ADVERTISEMENT RETURN TO ISSUEArticleNEXTCopolymerization.Frank R. Mayo and Cheves. WallingCite this: Chem. Rev. 1950, 46, 2, 191–287Publication Date (Print):April 1, 1950Publication History Published online1 May 2002Published inissue 1 April 1950https://pubs.acs.org/doi/10.1021/cr60144a001https://doi.org/10.1021/cr601…
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El autor que está llevando a cabo una investigación acerca de los procedimientos modernos para la medición de la finura de los cementos, ha introducido un perfeccionamiento en la conocida Pipeta de Andreasen, instrumento ya clásico, que utiliza el método de sedimentación para efectuar los análisis granulométricos de l…
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