Carbones pobres. Posible utilización de los productos carboníferos de baja calidad en la preparación de la materia prima
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Materials Literature
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Bibliography
Determinación complexométrica de la alúmina en el cemento
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Carbones pobres. Estado de los estudios experimentales sobre la llama
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Dislocation Velocities, Dislocation Densities, and Plastic Flow in Lithium Fluoride Crystals
Velocities of individual dislocations have been measured in LiF, covering a range of twelve orders of magnitude in velocity, from 10−7 cm/sec to 105 cm/sec. The velocity is extremely sensitive to applied stress at low velocities, and for each crystal there exists a minimum stress for dislocation motion, below which di…
Nuclear Spin Saturation by Ultrasonics in Sodium Chloride
An ultrasonic vibrational mode with rather well-defined properties has been set up in a cylindrical single crystal of sodium chloride. The saturation of the spin levels of ${\mathrm{Na}}^{23}$ and ${\mathrm{Cl}}^{35}$ by acoustically induced quadrupole transitions, $\ensuremath{\Delta}m=\ifmmode\pm\else\textpm\fi{}2$,…
THE PICKLING OF NON-FERROUS METALS
The term “pickling” is applied to the removal from metals of scale and oxide coatings, usually resulting from heat-treatment, forging, or casting operations. The thickness, composition, and structure of the scale depend on the conditions under which it is formed. The temperature and duration of heating and the nature…
On the Relation between the Work Function and the Corrosion Rate of the Metals
Saburo Shimodaira：On the Relation between the Work Function and the Corrosion Rate of the Metals．The relation between the thermo-ionic work function
Discussing Van Wyk's Theory[1] Concerning Compression of a Fibrous Mass
Van Wyk's theory on the compression of a fibrous mass is refuted by the authors on the ground that it ignores the substantial thickness of a fiber. The authors' formula, which shows the theoretical relation between the pressure and volume of a compressed specimen, explains the experimental tendency of the pressure-vol…
On Carbides in High-C High-V High Speed Steels
In the present study, X-ray and chemical analyses were carried out on carbides isolated electrolytically from several high-V high speed steels, and the effect of carbon, tungsten and vanadium contents on the constitution of carbides in these steels were discussed. Carbides in high-V high speed steel are MC, M6C and M2…
Mineral deposits of Lincoln County, New Mexico
Lincoln County has yielded a variety of metals and minerals: gold, coal, iron, lead, copper, zinc, fluorite, bastnaesite, gypsum, and tungsten. In addition, deposits of molybdenum, thorium, uranium, and manganese are known, although no significant production has been recorded. The White Oaks district produced almost $…
Diffusion of Cerium and Zirconium in Molten Uranium
Coefficients for the diffusion of cerium in molten uranium have been measured over the temperature range 1170°–1480°C. An equation relating the diffusion coefficient with temperature is: . At 1200°C the diffusion coefficient for cerium in uranium is . An estimate of the coefficient of diffusion for zirconium in uraniu…
Phase Equilibria and Fluorescence in the System Zn(PO[sub 3])[sub 2]-Mg(PO[sub 3])[sub 2]
The equilibrium diagram for the system was established as a solid solution type by quenching and solid‐state methods. About was found soluble in at 850°C, but less than 2 mole % was soluble in at 650°C. Solid solution of in was extensive, ranging from approximately 35 to 100 mole % . The cathodoluminescence of composi…
A Kinetic Study on the Hydrogenolytic Dealkylation of Toluene with High Pressure Flow Reactor
A kinetic analysis was carried out, with a continuous flow reactor, for demethylation of toluene to yield benzene under pressures ranging from 10 to 50atm and at temperatures from approximately 580°to 680°C, while maintaining the hydrogen to toluene mole ratio constant at 4.The 1.5-order rate was confirmed in agreemen…
Zone melting, with some comments on its analytical potentialities. A review
E. F. G. Herington, Analyst, 1959, 84, 680 DOI: 10.1039/AN9598400680
High Strength Regenerated Cellulose Fibers
Substantial improvements in the physical strength properties of certain fibrous regenerated cellulose products, notably rayon tire cord, have been achieved during the past decade. These advances in tensile and fatigue properties of tire cord rayon are reviewed and the factors responsible for the improvements are discu…
Zur anionischen ε‐caprolactam‐polymerisation. Versuche über die viskositätsstabilisierung
Abstract Zur Erzielung eines gleichmäßigeren Verlaufs der anionischen Caprolactam‐Polymerisation wurden G RIGNARD ‐Verbindungen eingesetzt. Es gelang damit Polymerisationen auszulösen, die den bekannten Gesetzmäßigkeiten folgten. Ein Zusatz von Essigsäureestern langkettiger Alkohole zum Polymerisationsansatz erbrachte…
Electrolytic Preparation of Titanium from Fused Salts
Abstract not Available.
293. Cyclic amidines. Part VIII. Derivatives of 12H-6 : 7 : 12a- triazabenz[a]anthracene and 5aH-5 : 6 : 11a-triazanaphthacene
K. Butler and M. W. Partridge, J. Chem. Soc., 1959, 1512 DOI: 10.1039/JR9590001512
216. The Raman spectra of mercuric cyanide and the tetracyanomercurate ion
L. A. Woodward and H. F. Owen, J. Chem. Soc., 1959, 1055 DOI: 10.1039/JR9590001055