Materials Literature
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The abnormal intensity of some `forbidden' hyperfine transitions in the paramagnetic resonance spectra of ions with S = 1 or more is shown to be due to cross terms in the spin Hamiltonian. These arise from off-diagonal terms in the electronic and nuclear interactions, and the computed transition intensities agree clos…
The Hartree-Fock method is discussed with emphasis placed on the transformation properties of the Hartree-Fock equation. It is emphasized that the Hartree-Fock equation may be solved in terms of non-orthogonal one-electron functions, and that in some cases it may be more convenient to choose such solutions. Equations…
The laws governing thermal radiation are briefly reviewed and methods of measuring emissivity are described. The apparatus used by the author is described and an account of possible sources of error is given. Results of other workers are quoted wherever available, and the thermal emissivity over the useful working tem…
Studies were made of the influence of humidity on the breakdown voltage of gaps in air. The voltages were measured for gaps between uniform-field electrodes and between spheres. The sphere-gaps comprised 2, 6.25, 12.5 and 25cm-diameter spheres which were enclosed in an air-tight chamber in which the humidity was varie…
International audience
In the second part of this article, concluded from the October issue of ‘Platinum Metals Review’, a short account is given of changes in the physical properties of palladium following absorption of hydrogen. The behaviour of certain palladium alloys is compared with that of palladium and alternative methods of approac…
ALTHOUGH UNSATISFACTORY PERFORMANCE OF LIMESTONE AND DOLOMITE AGGREGATES IN CONCRETE IS RELATIVELY RARE, CERTAIN CARBONATE ROCKS HAVE BEEN FOUND TO EXPAND RAPIDLY IN SOLUTIONS OF THE ALKALI METAL HYDROXIDES. THESE REACTIVE ROCKS CAN BE CATEGORIZED ON THE BASIS OF MINERAL COMPOSITION AND TEXTURE, ALL BEING ARGILLACEOUS…
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B. N. Figgis, J. Lewis and F. E. Mabbs, J. Chem. Soc., 1961, 3138 DOI: 10.1039/JR9610003138
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTREACTION BETWEEN SILICA AND CALCIUM HYDROXIDE SOLUTIONS. I. KINETICS IN THE TEMPERATURE RANGE 30 TO 85°1S. A. GreenbergCite this: J. Phys. Chem. 1961, 65, 1, 12–16Publication Date (Print):January 1, 1961Publication History Published online1 May 2002Published inissue 1 Januar…
The Seebeck coefficient α, electrical conductivity σ, and thermal conductivity K data are given for a number of Ag2Te specimens measured at room temperature. The maximum value observed for the figure of merit α2σ/K was 1.3×10−3°C−1. The relationship between K and σ was linear, and Kel could be expressed approximately…
The anodic transient behavior of magnesium in aqueous environments is studied under controlled conditions. The steady‐state behavior as reported by other investigators is reviewed, and pertinent additional observations are reported. A unified explanation of the aqueous electrochemical behavior of magnesium based on th…
The first page of this article is displayed as the abstract.
D. M. L. Goodgame and F. A. Cotton, J. Chem. Soc., 1961, 3735 DOI: 10.1039/JR9610003735
J. Chatt and B. L. Shaw, J. Chem. Soc., 1961, 285 DOI: 10.1039/JR9610000285
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal Stability as a Function of Chemical Structure.E.S. Blake, W.C. Hammann, James W. Edwards, T.E. Reichard, and M. R. OrtCite this: J. Chem. Eng. Data 1961, 6, 1, 87–98Publication Date (Print):January 1, 1961Publication History Published online1 May 2002Published inissu…
A compilation of the S—O symmetric and asymmetric stretching frequencies is given for a large number of compounds containing an —SO 2 — group. It is shown that a linear relationship between [Formula: see text] is valid for a large number of sulphuryl and polysulphuryl compounds and that the actual frequencies depend i…
ABS>The solubility of oxygen in alpha -zirconium in the temperature region, 400-800 deg C, was investigated by x-ray methods. The solubility, which is independent of temperature, is 28.6 at.% (ZrO/sub 0.4//sub 0/). With increasing oxygen content, the length of the c axis increases over the entire solubility range whil…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInstability Constants of Complex Compounds.F. BasoloCite this: J. Am. Chem. Soc. 1961, 83, 2, 507Publication Date (Print):January 1, 1961Publication History Published online1 May 2002Published inissue 1 January 1961https://pubs.acs.org/doi/10.1021/ja01463a075https://doi.org/…