Remarques sur la théorie des propriétés magnétiques des couches minces et des grains fins
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Formation of Composite Scales Consisting of Oxides of Different Metals
This paper presents a theoretical analysis of diffusion processes during the oxidation of an alloy when oxides of different alloying elements are formed concurrently. For idealized conditions it is possible to calculate the decrease in the oxidation rate which results from alloying a base metal, having a relatively hi…
Pyrochlore-type compounds containing double oxides of trivalent and tetravalent ions
A study has been mad e by X-ray diffract ion analyses of t he A20 3 :2B02-type double oxides. It was found that many of t hese mixed oxides, after appropriate heat treatment, formed compounds of the formula type A2B20 7 Most of these compounds crystallized in the cubic system with a face-centered cell similar to that…
Pitting Corrosion of 18Cr-8Ni Stainless Steel
I . Factors controlling pitting corrosion and laboratory methods used for its study are reviewed. An electrolytically accelerated test was developed for investigation of pit initiation. A controlled direct current was passed through a cell whose anode was the stainless steel specimen and whose electrolyte was the pitt…
746. Magnetic studies with copper( II ) salts. Part I. Anomalous paramagnetism and δ-bonding in anhydrous and hydrated copper( II ) acetates
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Solid State Physics: Advances in Research and Applications
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Liquid-crystalline structures in solutions of a polypeptide
BY CONMARROBINSON BY CONMARROBINSON Research Laboratory, CourtauIds Ltd., Maidenhead, Berks Receired 29th June, 1955 The birefringent solutions of poly-y-benzyl-L-glutamatein several solvents have been studied. These show parallel equidistant lines which are visible even in natural light. The periodic
Variantes en la prefabricación de pasta cerámicas
Ventajas del método de prensado en seco en la industria cerámica. Consideraciones sobre la cocción a temperatura baja.
Empleo de ladrillos refractarios aislantes en los hormigones cerámicos intermitentes
Interés del empleo de ladrillos refractarios aislantes en la construcción, de hornos cerámicos con el f in de tener una mayor economía de combustible, un aumento de la producción, mejor calidad de las piezas y reducción en el coste de construcción.
Placas coloreadas de fibrocemento
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Burning cement in air-suspension
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Empleo de flutox para la protección de hormigón
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New lime kiln safety device
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Construcción y reparación de hornos rotatorios
El empleo de la soldadura facilita la reparación de los hornos rotatorios, acortando el tiempo necesario para dicha operación. Se presentan diversos ejemplos prácticos.
Recomendaciones prácticas para los ensayos de cemento
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Ensayo para la determinación indirecta de la resistencia a la tracción sus aplicaciones
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Moldes de aluminio para las probetas cúbicas de hormigón
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Bloques Wilson
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Importancia del momento en que se realiza el curado del hormigón
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Lattice energy of ionic crystals
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