Materials Literature
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In a qualitative way the anomalous properties of Rochelle salt can be explained on the basis of four different theories: ($a$) on the dipole theory, ($b$) by assuming polymorphic transitions at the Curie points, ($c$) by postulating an anomalous piezoelectric effect, and ($d$) with an inter-action theory which assumes…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTViscosities of Linear Polyesters. An Exact Relationship between Viscosity and Chain LengthPaul J. FloryCite this: J. Am. Chem. Soc. 1940, 62, 5, 1057–1070Publication Date (Print):May 1, 1940Publication History Published online1 May 2002Published inissue 1 May 1940https://pub…
Gold and copper were simultaneously deposited in vacuum by vaporization on a plate of glass, the copper being deposited at a uniform rate while the gold was deposited in one hundred stratified layers in the copper by alternately raising and lowering the temperature of the molybdenum vaporizing trough containing the bo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEvaluation of Nitrocellulose Lacquer SolventsV. W. Ware and W. M. BrunerCite this: Ind. Eng. Chem. 1940, 32, 4, 519–524Publication Date (Print):April 1, 1940Publication History Published online1 May 2002Published inissue 1 April 1940https://pubs.acs.org/doi/10.1021/ie50364a0…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Specific Heats at Low Temperatures of Tantalum Oxide and Tantalum Carbide1K. K. KelleyCite this: J. Am. Chem. Soc. 1940, 62, 4, 818–819Publication Date (Print):April 1, 1940Publication History Published online1 May 2002Published inissue 1 April 1940https://pubs.acs.org/d…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTX-ray Studies of Crystallite Orientation in Cellulose Fibers. III. Fiber Structures from Coagulated Cellulose.Wayne A. SissonCite this: J. Phys. Chem. 1940, 44, 4, 513–529Publication Date (Print):April 1, 1940Publication History Published online1 May 2002Published inissue 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTX-ray Diffraction Study of the Structure of Glass.B. E. WarrenCite this: Chem. Rev. 1940, 26, 2, 237–255Publication Date (Print):April 1, 1940Publication History Published online1 May 2002Published inissue 1 April 1940https://pubs.acs.org/doi/10.1021/cr60084a007https://doi.o…
The inter-relation between the chemical constitution and structure of plasticizers and plastics is discussed. The results obtained with sulfonamide, phthalate and phosphate plasticizers in cellulose acetate compositions are used as examples and the author speculates on the possibility of formulating general rules from…
It is shown that the usual molecular orbital treatment for the mobile electrons in unsaturated hydrocarbon molecules is not always satisfactory, since it does not yield a self-consistent field. The conditions under which the field is self-consistent are analysed, and are shown to be satisfied in many cases.
A theoretical treatment of multiple Rutherford scattering is given which is exact if one considers electrons with the same total path length in the scatterer. The approximations necessary for the actual solution of the problem for a thin scatterer can be shown to have little effect on the results for small angle scatt…
Abstract The alloys of magnesium and cadmium are of great interest, since both metals have the same valency, and almost the same atomic volume, but the axial ratios of their close-packed hexagonal structures differ markedly, being 1.885(2) for cadmium, and 1.6237 for magnesium. The equilibrium diagram of the system ha…
Thomas M Little, Jerome H Kantor, Burr A Robinson, Jr.; INCOMPATIBILITY STUDIES IN COSMOS BIPINNATUS, Genetics, Volume 25, Issue 2, 4 March 1940, Pages 150
Article Untersuchungen in den Systemen Aluminium-Kalzıum, Magnesıum-Kalzıum und Magnesium-Zirkon was published on February 1, 1940 in the journal International Journal of Materials Research (volume 32, issue 2).
The first page of this article is displayed as the abstract.
Crystallization of Rochelle salt from heavy water raises the upper Curie point of the material by 11\ifmmode^\circ\else\textdegree\fi{}C and lowers the lower point by 5\ifmmode^\circ\else\textdegree\fi{}C, but leaves the other properties substantially unchanged.
P. A. Barrett, R. P. Linstead, F. G. Rundall and G. A. P. Tuey, J. Chem. Soc., 1940, 1079 DOI: 10.1039/JR9400001079
J. M. Robertson and I. Woodward, J. Chem. Soc., 1940, 36 DOI: 10.1039/JR9400000036
The Fourier transform of a crystal is a representation which, if fully known, would be equivalent to, and give the same information as, the usual description of a crystal. At the same time the Fourier transform is very closely related to the diffraction properties and it offers the best survey of the diffraction data…
X-ray diffraction patterns of plastic sulphur at room temperature and of liquid sulphur at several temperatures ranging from 124°C to 340°C have been obtained. The position of the main peak in terms of (sin θ)/λ is 0.140 at 124°C, 0.138 at 147°C, 0.138 at 151°C, 0.139 at 157°C, 0.127 at 166°C, 0.127 at 175°C, 0.125 at…
THE PROBLEM OF STRESSES IN CONCRETE RUNWAYS OF AIRPORTS IS ESSENTIALLY THE SAME AS THE PROBLEM OF STRESSES IN CONCRETE PAVEMENTS OF HIGHWAYS, EXCEPT THAT BOTH THE WHEEL LOADS THAT MUST BE CONTEMPLATED AND THE AREAS OF CONTRACT BETWEEN TIRE AND CONCRETE ARE GREATER FOR RUNWAYS THAN FOR HIGHWAYS. THESE DIFFERENCES, ESPE…