The Clark gully trap machine. Interesting New Zealand development
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Materials Literature
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Molienda en circuito cerrado y en circuito abierto
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Nota de laboratorio: Sencillo dispositivo para la determinación aproximada de temperaturas
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Lana caolínica, fibra cerámica refractaria
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Influencia de la distribución de huecos sobre la resistencia al hielo de los productos cerámicos
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Nota
Pinturas de aluminio
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Some methods of finishing coîicreie surfaces and making good effects
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Some effects of carbon dioxide on mortars and concrete
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Bibliography
Regulación del calor y del aire en los hornos rotatorios de vía húmeda
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Reinforcing cages for concrete pipe formed on machine producing multiple sizes
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Comportamiento de las fibras minerales sintéticas en el hormigón
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Factors affecting strength of clays in the temperature range 110 to 800%
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The Kinetics of the Thermal Decomposition of Potassium Nitrate and of the Reaction between Potassium Nitrite and Oxygen1a
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Kinetics of the Thermal Decomposition of Potassium Nitrate and of the Reaction between Potassium Nitrite and Oxygen1aEli S. FreemanCite this: J. Am. Chem. Soc. 1957, 79, 4, 838–842Publication Date (Print):February 1, 1957Publication History Published online1 May 2002Publ…
Effect of Isotopes on Low-Temperature Thermal Conductivity
An analysis of the experimental results of the low-temperature thermal conductivity of single crystals of Si, Ge, and KCl indicates that their maximum conductivities are limited by isotope scattering of phonons rather than by umklapp processes. The isotope scattering in solid helium and sapphire is sufficiently low so…
Classification of perovskite and other ABO3-type compounds
A classification of A +2 B+'03 com pounds has been made on t he basis of ionic radii of the cons tituent ions. A grap h of t his type for t he perovski te compounds can be ~ivide d in~o orthor hombic, pseud ocubic, a nd cubic fi elds, wit h an area of ferroelectn c and antlferroelectnc compounds s uperimposed on the c…
Electrostatic Considerations in BaTiO3 Domain Formation during Polarization Reversal
Merz's picture of spike-shaped domains of reversed polarization emerging from an electrode is analyzed with particular attention to its electrostatic aspects, taking into account the inhomogeneous piezoelectric distortions which accompany domain formation. The depolarization energy of a domain is evaluated. The intera…
Studies of the Jahn-Teller effect. I. A survey of the static problem
Abstract According to the Jahn-Teller theorem, symmetrical molecules with degenerate electronic states are unstable. Such molecules therefore take up a distorted shape. If there is near-degeneracy, the symmetrical shape may also be unstable. We have studied the distortion in some particular cases. The approach is to m…
Hyperfine Structure ofCu63andCu65
The hyperfine splittings of the electronic ground states of the stable copper isotopes ${\mathrm{Cu}}^{63}$ and ${\mathrm{Cu}}^{65}$ have been measured by the atomic beam magnetic resonance method. The magnitudes of these splittings are $\ensuremath{\Delta}\ensuremath{\nu}({\mathrm{Cu}}^{63})=11733.83\ifmmode\pm\else\…