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A burst criterion model has been developed to calculate the burst data of Zircaloy claddings of a pressurized water reactor in a loss-of-coolant accident. It is assumed by this model that the time of burst is reached when the local stress equals the limiting burst stress. The burst stress is assumed to depend on the t…
The first examples of electrochemical doping of poly-(p-phenylene) to form n- and p-type complexes with counter ions such as Li+ and AsF6– are reported; polyphenylene can be used as the electroactive material in rechargeable battery electrodes.
The immobilized dimers of glyceraldehyde 3-phosphate dehydrogenase have been obtained after dissociation of the tetrameric enzyme molecule linked by one of the subunits with Sepharose 4B. The catalytic parameters (V, Km and pH-dependence of activity) of the immobilized dimers and tetramers of the enzyme are identical.…
Constitution, microstructure, cooling–transformation (CT) diagrams, and corresponding diagrams for mechanical properties are summarized for the Cu–Al–X alloy types (X = Fe, Ni, Mn, Be, Co, Si, and Sn) with β-transformation. On the basis of the cooling time, it is possible to simulate the micro-structure and the proper…
Rapid perturbation of the 1A ⇌5T equilibrium in several Fe11 complexes occurs upon irradiation in the metal-to-ligand charge-transfer absorption region of the low-spin state, providing primary evidence for the formation of a 5T ligand field state from the initially populated charge-transfer state and permitting study…
The partitioning of aluminium between silicate melt (olivine tholeiite) and chromian spinel was studied experimentally. Runs were carried out at temperatures of 1 180˗1 300 °C and oxygen fugacities of 10⁻⁷˗10⁻⁹ atmosphere, at one atmosphere total pressure. The Al₂O₃ content of spinel is related to the Al₂O₃ content of…
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Abstract
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRole of the crystal-field theory in determining the structures of spinelsJeremy K. Burdett, Geoffrey D. Price, and Sarah L. PriceCite this: J. Am. Chem. Soc. 1982, 104, 1, 92–95Publication Date (Print):January 1, 1982Publication History Published online1 May 2002Published in…
Detailed measurements of the resistivity and the Hall coefficient have been made on high-quality single crystals of 2 H metallic transition-metal dichalcogenides between 4.2 K and 300 K, in order to investigate the carrier scattering mechanisms in a CDW system. The resistivity of 2 H -NbS 2 , which has no CDW transiti…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHydrogen-bonding properties of hard-segment model compounds in polyurethane block copolymersC. M. Brunette, S. L. Hsu, and W. J. MacKnightCite this: Macromolecules 1982, 15, 1, 71–77Publication Date (Print):January 1, 1982Publication History Published online1 May 2002Publish…
An electrochromic display based on a Prussian-blue-modified electrode is described. Prussian blues are deposited electrochemically in a solution of ferric-ferricyanide. Current flow at +0.2 and +1.0 V is due to the reduction of Fe3+ and the oxidation of Fe2+ in the Prussian-blue coating, respectively. The result is a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSmall-angle x-ray scattering study of perfluorinated ionomer membranes. 2. Models for ionic scattering maximumMineo Fujimura, Takeji Hashimoto, and Hiromichi KawaiCite this: Macromolecules 1982, 15, 1, 136–144Publication Date (Print):January 1, 1982Publication History Publis…
The electromagnetic model of Gersten and Nitzan1 of the surface enhanced Raman scattering is discussed. The ’’lightning rod’’ effect is taken up in some detail. (AIP)
Heat treatment, structure, and properties of nonferrous alloys , Heat treatment, structure, and properties of nonferrous alloys , مرکز فناوری اطلاعات و اطلاع رسانی کشاورزی
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTImprovement of photoelectrochemical hydrogen generation by surface modification of p-type silicon semiconductor photocathodesRaymond N. Dominey, Nathan S. Lewis, James A. Bruce, Dana C. Bookbinder, and Mark S. WrightonCite this: J. Am. Chem. Soc. 1982, 104, 2, 467–482Publica…
Description This publication provides information on the performance of zirconium and zirconium alloy components in nuclear application. Nuclear physicists have discovered that some materials -- zirconium, for example, provide much better neutron economy than conventional materials such as stainless steels.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTData analysis techniques in x-ray photoelectron spectroscopyAndrew. Proctor and Peter M. A. SherwoodCite this: Anal. Chem. 1982, 54, 1, 13–19Publication Date (Print):January 1, 1982Publication History Published online1 May 2002Published inissue 1 January 1982https://pubs.acs…
A general definition of dynamic fragmentation can encompass any impulsive process which partitions a body of material into discrete domains. Two examples are fragmentation due to brittle fracture under impact loading and fragmentation due to shear banding in shock-compression plastic deformation. In application, predi…
A method of estimating diatom concentrations in sediment samples by the addition of known quantities of microspheres is described. Polystyrene or glass microspheres can be used and their concentration in suspensions can be rapidly calculated with an electronic particle counter. Test results are compared with results f…