Materials Literature
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A laboratory apparatus has been constructed to study the pilling of fabrics. Work was concentrated on nylon and nylon blended woven fabrics. The following variables were studied; nylon content, fibre denier and staple length, yarn twist, doubling yarns, ends and picks, type of weave, milling, heat-setting, dyeing, wet…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHeat Capacities at Low Temperatures and Entropies of Five Spinel MineralsB. G. KingCite this: J. Phys. Chem. 1956, 60, 4, 410–412Publication Date (Print):April 1, 1956Publication History Published online1 May 2002Published inissue 1 April 1956https://pubs.acs.org/doi/10.1021…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAbsorption Spectra of para-Substituted Tetraphenylporphines1,2Daniel W. Thomas and Arthur E. MartellCite this: J. Am. Chem. Soc. 1956, 78, 7, 1338–1343Publication Date (Print):April 1, 1956Publication History Published online1 May 2002Published inissue 1 April 1956https://pu…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Properties Of MetalloporphyrinsR. J. P. WilliamsCite this: Chem. Rev. 1956, 56, 2, 299–328Publication Date (Print):April 1, 1956Publication History Published online1 May 2002Published inissue 1 April 1956https://pubs.acs.org/doi/10.1021/cr50008a004https://doi.org/10.1021…
Various methods for the preparation of mixtures for phase equilibrium studies are described. Especial attention has been paid to compositions which cannot be preserved in a glass structure.
The variation with temperature of solute atom density close to (within similar 10 A) an edge dislocation is examined. The results of this analysis are used to predict the effect of temperature on the yield point. Good agreement is found between theoretical prediction and three apparently dissimilar experimental result…
The processes by which atoms in solids are displaced from their normal positions by high-energy neutrons, cyclotron particles, and electrons are discussed. A radiation damage model is presented which involves two basic features: (1) the production of interstitial atoms and vacant lattice sites, and (2) the production…
Empirical correlations between X–H≡Y distance R and frequency shift of the X–H stretching motion Δv are presented for O–H≡O, N–H≡O, and N–H≡N hydrogen bonds. A linear correlation is possible provided a distinct straight line is assumed for each hydrogen bond type. The equations of the best straight lines and standard…
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Nuevo procedimiento de fabricación de placas de revestimiento, con características especiales (preparación por vertido, vidriado y cogió en conjunta con la base cerámica). Se pueden preparar placas de un espesor mínimo de 1 mm.
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Las características del coque de petróleo –elevada capacidad calorífica, pequeña cantidad de materia volátil y pequeño contenido de cenizas- hacen adecuado su empleo como combustible. Realizando la cocción de forma adecuada se obtiene un clinker normal.
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Las mezclas cemento/látex presentan una mayor resistencia a la abrasión, a los aceites, al agua y a ciertos disolventes. Su mayor flexibilidad impide la formación de grietas.