Materials Literature
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The temperature and magnetic-field dependences of the sublattice magnetization in the hexagonal layertype compound Cr${\mathrm{Cl}}_{3}$ (${T}_{N}=16.8\ifmmode^\circ\else\textdegree\fi{}$K) have been deduced from the $^{53}\mathrm{Cr}$ nuclear magnetic resonance (NMR) for $0.4\ensuremath{\le}T\ensuremath{\le}8.1\ifmmo…
Abstract not Available.
Abstract A first order transition was observed in the temperature range of about 210°C by dilatometric studies on both isotactic and atactic polypropylene and for isotactic poly (butene‐1) and poly (pentene‐1). No such transition was observed for polyethylene. It was found that the transition is not due to the measure…
The atmospheric corrosion rates of steel were measured in an industrial district (Kôtô-ku) of Tokyo, Japan.Analyzing correlations between the corrosion rates and meteorological factors and/or atmospheric pollution substance factors by means of statistical analysis method, a corrosion regression was obtained to describ…
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The attack of soda‐lime‐silica, alkali borosilicate, zirconia‐silica and alumina‐silica glasses by sodium hydroxide and potassium hydroxide melts at temperatures just above their melting points has been studied. Sodium hydroxide attack resulted in a frosty layer bound to the surface; potassium hydroxide left a clear s…
This paper is a condensed survey of the interactions between water and cellulose materials. It is introduced by some general remarks about the interaction of water with solids, with special attention to hydrogen bonds, solutions and gels, then about the chemical and physical properties of cellulose fibres. The main di…
The Raman spectrum of ZnO single crystals has been studied at room and low temperatures. About fifteen Raman peaks have been observed between 50 and 1 200 cm-1. The infrared reflection and transmission [1] measurements have also been made in the region 250 cm-1 to 1 500 cm-1 . The wurtzite (C46υ) structure has nine op…
Abstract not Available.
Abstract Pure gold wires are quenched from high temperatures into iced brine and the changes of electrical resistivity and thermoelectric power are measured simultaneously during isochronal annealing. Two recovery stages are found: the first one (at 50 °C) corresponds to vacancy clustering with the formation of stacki…
The fission-product release of spherical monogranular UC2 particles is studied by postirradiation annealing of neutron-activated samples and by exposing samples to a steady rate of photofission. The release of the several fission products studied appears to follow the kinetics and temperature-dependence of an activate…
C. Biondi, M. Bonamico, L. Torelli and A. Vaciago, Chem. Commun. (London), 1965, 191 DOI: 10.1039/C19650000191
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffect of Organosulfur Compounds on Rate of Thermal Decomposition of Selected Saturated HydrocarbonsB. M. Fabuss, D. A. Duncan, J. O. Smith, and C. N. SatterfieldCite this: Ind. Eng. Chem. Process Des. Dev. 1965, 4, 1, 117–122Publication Date (Print):January 1, 1965Publicati…
The equilibrium of oxygen in liquid iron with H2-H2O mixtures has been studied at 1550°C, 1607°C and 1663°C respectively.Effects of nickel, cobalt, tungsten, molybdenum, chromium and tin on the activity of oxygen in liquid iron have been studied at 1600°C.The data obtained are summarized as follows:1. H2+O=H2Olog K1[=…
Drilocephalobus congoensis n. g., n. sp. has an offset head, large cup-shaped amphids, a large excretory gland cell, reflexed prodelphic female gonad, pointed tail and the male has spicules and gubernaculum. It seems to be intermediate between the Cephalobidae and the Drilonematidae.
Standard x‐ray powder photograph techniques have been used to investigate the phases occurring in alloys of the section and also in some general alloys of the ternary systems Ge‐In‐Te which lie in the composition range bounded by . The conditions when the alloys are water quenched from the melt and when annealed to eq…
Iron-sulphur alloys which contained up to 3.5% sulphur were desulphurized at 1545C by gas mixtures which contained 2-100% hydrogen along with argon and/or helium as diluents. The rate of the reaction was measured by observing the rate of production of hydrogen sulphide. The results indicated that equilibrium between h…
Abstract : The memorandum discusses the thermodynamics associated with the flow processes in hypervelocity cratering. Qualitative, graphical arguments are presented to show that previously proposed thermal-impact theories, which postulate that the kinetic energy of impacting projectiles goes entirely into breaking of…
Neutron irradiation has an adverse effect on the tensile ductility of austenitic steels and a nickel-base alloy at test temperatures above about 600 C. n contrast to the fast-neutron-induced, low-temperature irradiation hardening and embrittlement of materials, the loss in ductility at elevated temperatures is a funct…
Abstract Thermal conductivity curves for the 0°C to 170°C temperature region are presented for six irradiated low density polyethylene samples (radiation doses from 0 to 3100 megarads) and one irradiated high density sample (120 megarad dose). In agreement with data in the literature for unirradiated polyethylene, the…