Materials Literature
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Nous avons mesuré les potentiels d’apparition des ions : M+, MI+, M2I+, l+, HI+, LiMI+, ainsi que Li3I2+ et Na3I2+, où M représente un métal alcalin.
On the segregation of a steel or alloy ingot, the effect of stirring during the process of solidification appears to be an important factor to clarify the segregation phenomenon. In the present investigation on Al-Cu alloy, stirring was carried out by means of the method hydro-dynamically known as Taylor’s vortex flow…
Journal Article Osmium Tetroxide Fixation of Rubber Latices Get access Koichi KATO Koichi KATO Central Research Laboratories, Toyo Rayon Company, Ltd.Otsu, Shiga-ken Japan Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Electron Microscopy, Volume 14, Issue 3, 1965, Pages 219…
The thermal conductivities of sintered Al 2 O 3 and UO 2 were measured in the ranges 400° to 1700°C and 300° to 2100°C respectively. The conductivity values for Al 2 O 3 agreed with those reported previously at all temperatures investigated. The conductivity of UO, decreased with increasing temperature to a minimum of…
S. S. Tate, A. K. Grzybowski and S. P. Datta, J. Chem. Soc., 1965, 3905 DOI: 10.1039/JR9650003905
La constante diélectrique ε de Cu2O a été mesurée par une méthode optique et pour des nombres d'onde variant de 4 000 à 50 cm —1. La valeur de ε extrapolée donne : εstat = 7,5 ± 0,2. La courbe de dispersion peut-être représentée par une formule du type [FORMULE]faisant intervenir les deux fréquences actives dans l'inf…
Lechevalier, Hubert (Rutgers, The State University, New Brunswick, N.J.), and Pauline E. Holbert. Electron microscopic observation of the sporangial structure of a strain of Actinoplanes. J. Bacteriol. 89:217-222. 1965.-Actinoplanes sp. P 128 has polarly flagellated sporangiospores. The numerous flagella, formed by th…
SummaryThe effects of anodizing aluminium of commercial purity (99%) in sulphuric acid at temperatures of -5° to +15°C and current densities of 20 to 80 A/ft2 for 20 to 80 minutes have been studied, with particular reference to appearance and resistance to abrasion. It has been shown that uniform self-coloured films r…
On décrit de nouveaux sulfures de terres rares et de métaux alcalins (Li, K). Les composés TLiS₂ (T = Pr à Y) ont une structure cubique du type NaCl, les atomes T et Li étant désordonnés ; pour les terres rares de rayons plus petits (Ho, Er, Yb), les atomes T et Li s'ordonnent et il apparaît une déformation rhomboédri…
L’aspect des phénomènes de diffraction des rayons X et des électrons par les molécules gazeuses est bien connu ; on sait en effet que les enregistrements photographiques de ces phénomènes permettent d’observer un ensemble d’anneaux concentriques, dont le centre coïncide avec la trace du faisceau direct.
Alternating and rotational power losses at 50c/s have been measured at various flux densities for hot-rolled and cold-rolled 3% silicon iron in 0.013 in laminations, using an improved thermocouple method. The aim of the work was twofold:(a) to provide design data for the engineer on the magnitude of the power loss in…
Drawn and undrawn nylon 6 fibers subjected to dry heat setting or steam setting were dyed with an acid dyestuff and a direct dyestuff. The dye uptake of these fibers was determined, and the rate of diffusion of a disperse dyestuff was evaluated by the method of Kramer. For the drawn nylon 6, the dye uptake and the dif…
The paper discusses the relationship between the eddy currents flowing inside a conducting material and the magnetic field outside. The particular problem of a current sheet carrying a sinusoidally distributed current parallel to a conducting magnetic slab is examined in detail. It is shown that this mathematical mode…
R. D. Chambers, T. Chivers and D. A. Pyke, J. Chem. Soc., 1965, 5144 DOI: 10.1039/JR9650005144
Single crystals of BaTiO 3 were grown from the TiO 2 -rich side of the BaO-TiO 2 system. They were chunky crystal with mainly {111} form. However, these chunky crystals are obtained only under a reduced atmospheric pressure. An oxygen defect seems to have an effect on the crystal morphology. Curie point of the present…
The reaction was studied at 19 Torr pressure under static and flow conditions. Rates of reaction up to were measured at 1650°C and 19 Torr. The rates of reaction were nearly independent of flow and pressure. The kinetic data could be fitted to an Arrhenius‐type equation , where . Mass spectrometer studies of the react…
R. L. Orr and B. B. Argent, Trans. Faraday Soc., 1965, 61, 2126 DOI: 10.1039/TF9656102126
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTheoretical Refinement of the Pendant Drop Method for Measuring Surface TensionsDavid WinkelCite this: J. Phys. Chem. 1965, 69, 1, 348–350Publication Date (Print):January 1, 1965Publication History Published online1 May 2002Published inissue 1 January 1965https://pubs.acs.or…
Rates of film growth in oxygenated dilute sulfuric acid have been measured on zirconium and Zircaloy‐2 at temperatures from 200° to 300°C using electrochemical methods. The resulting rate‐time plots were analyzed according to logarithmic and cubic kinetics. The kinetic constants obtained from these results, and those…
Plasticizatlon, in general, refers to a change in the thermal and mechanical properties of a given polymer which involves: (a) lowering of rigidity at room temperature; (b) lowering of temperature, at which substantial deformations can be effected with not too large forces; (c) increase of the elongation to break at r…