Materials Literature
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The densities nd vi cositie of melts in the systems Li 2 O–SiO 2 , Na 2 O–SiO 2 , and K 2 O–SiO 2 were measured with a restrained sphere apparatus over the temperature range 1000° to 1400°C. At the higher temperatures in this range the density in each system decreased with increasing alkali content. On a mole basis th…
Summary Lomer has pointed out that certain dislocations on intersecting slip planes in the face centred cubic lattice can join to form new dislocations. It is now proposed that these new dislocations dissociate into groups of imperfect dislocations which cannot move because of the arrangement of their associated stack…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetics of Chain DepolymerizationRobert Simha and L. A. WallCite this: J. Phys. Chem. 1952, 56, 6, 707–715Publication Date (Print):June 1, 1952Publication History Published online1 May 2002Published inissue 1 June 1952https://pubs.acs.org/doi/10.1021/j150498a012https://doi.…
Abstract Single textile fibres are of the order of magnitude of 10 to 50μ in thickness. The measurement of friction between them in a longitudinal direction therefore offers some experimental difficulties. Two forms of apparatus have been designed. One measures the friction between two fibres crossed at a small angle.…
The crystal structure of fl dicaleium silicate (Cap SiO4) has been determined from X-ray oscillation, rotation and Weissenberg photographs. The mineral is monoclinic, space group P21/n, with cell dimensions a = 5-480.02, b ----6.76-b0.02, c ----9"28-}-0-02 A; fl --94 33'. There are four molecules in the unit cell. The…
L'accord est plutot moins bon avec des mesures annonc@es comme plus pr6eises par l~uthemann (1948( ) et Lang (1948)). pour l'analyse fine de ph@nom~nes divers off intervient la propagation des 61ectrons dans ces cristaux.
Zweckmäßige Darstellungsform der ZTU-Schaubilder für die vorliegende Untersuchung. Der Scheilsche Ansatz. Die Verknüpfung von isothermem und kontinuierlichem ZTU-Schaubild bei „linearer‟ Abkühlung. Nachprüfung der Ergebnisse an einem Beispiel. Verknüpfung von isothermem und kontinuierlichem ZTU-Schaubild bei Newtonsch…
DESPITE the quite extensive literature on foam, the mechanism of its formation and decay does not appear to be widely appreciated. Most fundamental research has been orientated towards maximum foam in aqueous solutions, whereas the desire in aircraft engines is for minimum foam in oil ‘solutions’. Further, the numeric…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNickel Compounds as Catalyst Raw MaterialsJohn G. DeanCite this: Ind. Eng. Chem. 1952, 44, 5, 985–990Publication Date (Print):May 1, 1952Publication History Published online1 May 2002Published inissue 1 May 1952https://pubs.acs.org/doi/10.1021/ie50509a024https://doi.org/10.1…
The Journal of Bone and Joint Surgery. British volumeVol. 34-B, No. 2 Clinical Reviews and StudiesFree AccessFRACTURE-DISLOCATION OF THE SHOULDER WITH INTERPOSITION OF LONG HEAD OF BICEPSReport of a CaseR. S. HendersonR. S. HendersonSearch for more papers by this authorPublished Online:1 May 1952https://doi.org/10.130…
A new determination has been made of the elastic and piezoelectric coefficients of lithium sulphate monohydrate and of their temperature coefficients
A synthetic fluorophlogopite mica (KMg3A1Si30 IO F 2), in which the (OR) ions that are normally found in normal micas were complet.ely replaced by fluorine, has been syn thesized. This material has essentially the same physical and electrical properties as natural phlogopite mica, except with somewhat lower flexibilit…
A method has been developed for measuring the partial pressure of methyl radicals in thermally decomposing gases, using a modified mass spectrometer. The sensitivity of the instrument to methyl radicals has been determined by decomposing known quantities of mercury dimethyl and di-t-butyl peroxide in a stream of carri…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTApplications of Nickel Compounds in CeramicsCameron G. Harman and Burnham W. KingCite this: Ind. Eng. Chem. 1952, 44, 5, 1015–1017Publication Date (Print):May 1, 1952Publication History Published online1 May 2002Published inissue 1 May 1952https://pubs.acs.org/doi/10.1021/ie…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSome Applications of Solubility Theory to Analytical ProblemsJ. H. Hildebrand and G. J. RotariuCite this: Anal. Chem. 1952, 24, 5, 770–773Publication Date (Print):May 1, 1952Publication History Published online1 May 2002Published inissue 1 May 1952https://doi.org/10.1021/ac6…
Abstract Polyvinylpyrrolidone (PVP) can be conveniently fractionated from water by successive precipitation with acetone, from chloroform with ether, or from ethanol with benzene. The major part (60–70%) of the common PVP has the intrinsic viscosity of 0.12–0.30. The fractions can be liberated from the low molecular c…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCatalytic Activity of Nickel BoridesRaymond Paul, Paul Buisson, and Nicole JosephCite this: Ind. Eng. Chem. 1952, 44, 5, 1006–1010Publication Date (Print):May 1, 1952Publication History Published online1 May 2002Published inissue 1 May 1952https://pubs.acs.org/doi/10.1021/ie…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetics of Crystalline Nucleus Formation in Supercooled Liquid Tin1,2Guy M. Pound and Victor K. La MerCite this: J. Am. Chem. Soc. 1952, 74, 9, 2323–2332Publication Date (Print):May 1, 1952Publication History Published online1 May 2002Published inissue 1 May 1952https://pub…
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