Protección de la madera con pinturas al aluminio
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Alimentación de los hornos de cemento con menudos de antracita
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Hormigones viejos y nuevos
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Empleo de bitumen en la construcción de autopistas
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La "murita", nuevo material para enlucidos
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The Reaction between Ferrous Iron and Peroxides. I. Reaction with Hydrogen Peroxide in the Absence of Oxygen
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Reaction between Ferrous Iron and Peroxides. I. Reaction with Hydrogen Peroxide in the Absence of OxygenI. M. Kolthoff and A. I. MedaliaCite this: J. Am. Chem. Soc. 1949, 71, 11, 3777–3783Publication Date (Print):November 19, 1949Publication History Published online1 May…
Design of a capacitor voltage transformer
It is well known that voltage transformers of the usual electromagnetic type constitute a very costly item in high-voltage systems. Considerable savings could be effected by the use of voltage transformers of the capacitor type if their design could be perfected to give sufficient accuracy, i.e. if their ratio errors…
Self-Diffusion in Argon
The self-diffusion coefficient of argon was measured at five different temperatures between −183°C and 53.5°C by observing the diffusion of radioactive A41 into normal argon. The decrease in the observed diffusion coefficient caused by the larger mass of A41 was deduced and found to be 0.6 percent. The experimental va…
Vapor Pressure of Maleic Anhydride - Temperature Range from 35° to 77°
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTVapor Pressure of Maleic Anhydride - Temperature Range from 35° to 77°Leon O. Winstrom and Laurence KulpCite this: Ind. Eng. Chem. 1949, 41, 11, 2584–2586Publication Date (Print):November 1, 1949Publication History Published online1 May 2002Published inissue 1 November 1949h…
The Structure and Growth of Evaporation LiF and NaCl Films on Amorphous Substrates
Thin films of LiF and NaCl were prepared by evaporation in a vacuum and studied by means of electron diffraction, electron microscopy, x-ray diffraction, and optical methods. It was found that on amorphous substrates the films possessed a crystal orientation which varied with the film thickness. For both LiF and NaCl…