A Simplified Calculation of Tafel Slopes for Successive Electrochemical Reactions
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Electrical Resistivity and Thermoelectric Power of Stacking Faults in Gold
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…
Fission-Product Release from Monogranular UC2 Particles
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…
On the structure and water content of copper(II) tricyanomethanide
C. Biondi, M. Bonamico, L. Torelli and A. Vaciago, Chem. Commun. (London), 1965, 191 DOI: 10.1039/C19650000191
Effect of Organosulfur Compounds on Rate of Thermal Decomposition of Selected Saturated Hydrocarbons
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…
Effects of Nickel, Cobalt, Tungsten, Molybdenum, Chromium and Tin on the Activity Coefficient of Oxygen in Liquid Iron
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
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.
Solid Solution in the GeTe-InTe System
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…
Kinetics of desulphurization of liquid iron-sulphur alloys by mixtures of hydrogen with helium and argon
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…
The Role of Melting and Vaporization in Hypervelocity Impact
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…
Effects of Irradiation in Austenitic Steels and Other High-Temperature Alloys
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…
Effect of nuclear radiation on the thermal conductivity of polyethylene
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…
Stair‐rod Dislocations and Extended Barriers in the Body‐centered Cubic Lattice
Abstract The interaction of glissile extended dislocations on intersecting {112} planes in the bodycentered cubic lattice is considered. It is found that, for each axis of intersection of two {112} planes except 〈111〉, stair‐rod dislocations of Burgers vectors 1/3 〈001〉, 1/3 〈002〉, and 1/6 〈113〉 can be formed. Formula…
Über das Problem der Ähnlichkeit in der Chemie Über spezifisch adsorbierende Silicagele III
Abstract A discussion of the relationship between theoretical principles of chemical similarity on one hand and empirically measurable similarity on the other suggests that specifically adsorbing silica gels represent an experimentally simple model for ‘bioisomorphism’, the similarity found in biological systems.
Submicromolar Analysis of Hydrated Electron Scavengers
The analysis of typical e - aq scavengers such as oxygen, hydrogen peroxide, nitrous oxide, acetone, and thymine in the concentration range from 10 -8 to 10 -6 M is reported. These compounds react with e - aq with rate constants that vary from 4 x 10 9 M -1 sec. -1 for thymine to 1.9 x 10 10 M -1 sec. -1 for oxygen. H…
Kinetic parameters in polymer degradation by dynamic thermogravimetric analysis
A new and relatively convenient procedure for obtaining kinetic parameters in the degradation of high polymers is described and the necessary experimental procedure is outlined. Results for the degradation of Teflon are compared with several previously reported methods and the agreement is found to be good. Some advan…
Über Wismutnitrate. IV. Darstellung und Eigenschaften von Bi(NO3)3 · 5 H2O
Abstract Für das neutrale Salz, dessen Eigenschaften mitgeteilt werden, konnte die Zusammensetzung Bi(NO 3 ) 3 · H 2 O gesichert werden. Das thermische Verhalten des Bi(NO 3 ) 3 · 5 H 2 O wurde mittels isobarem Abbau, Aufheizversuchen und Differentialthermoanalyse untersucht und die Zersetzungsprodukte mit Hilfe von c…
388. Studies on transition-metal peroxy-complexes. Part IV. Peroxyfluoro-complexes
D. F. Evans, W. P. Griffith and L. Pratt, J. Chem. Soc., 1965, 2182 DOI: 10.1039/JR9650002182
Mesures des potentiels d’apparition des ions obtenus par impact électronique dans la phase vapeur des iodures alcalins et des mélanges LiI-MI
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.
Study on Solidification and Segregation of Stirred Ingot
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…