Hornos con recuperadores para la fabricación de cemento
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Materials Literature
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Un modelo perfeccionado de la pipeta de Andreasen
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…
Reaction cement-aggregate
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Pozzolans in concrete pavements
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Die schnellkühlung von Klinker aus Zementdrehüfen
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Automatic packaging machine
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Thermodynamics of lime manufacture
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Nomograms for apparent density and porosity
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America’s largest cement plant
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High strength concrete
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Beitrag sur erforschung der erhärtung von weisskalkmïrtel
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Properties of light aggregate concrete
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Dust nuisance licked by precipitator at leigh's plant
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Mechanization of the glass industry
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The new cement factory of Skanska Cementaktiebolaget
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The relation between strength and free water content of aerated concretes
Dust control
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Electron Bombardment Conductivity in Diamond. Part II
Previously published results of a study of electron bombardment conductivity in diamond have been revised by the use of an improved alternating field method of internal space-charge neutralization. In addition lower limits are set for the mobilities of electrons and positive holes at room temperature. Measurements hav…
Element 97
NGLE graphite crystals are known to be good conductors along the graphite planes and very poor ones across (ratio of resistivities 104 or higher. '} Coulson' and Wallace' have shown that a graphite crystal along the planes is a semiconductor with zero activation energy, the only difference with a metal consisting in a…
The Effect of Electronic Paramagnetism on Nuclear Magnetic Resonance Frequencies in Metals
Observations on the shifts of nuclear resonances in metals (Id {sup 7}, Na {sup 23}, Ou {sup 63}, Be {sup 9}, Fe {sup 207}, A1 {sup 27} and Oa {sup 69}) due to free electron paramagnetism; comparison with theoretical values.