Materials Literature
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Abstract 1. Densities of elastomers with crystallizing soft segments were higher than that of the noncrystallizing ones. However, the effect of the soft segment length is not regular and may reflect some specific interactions between two phases as well as instantaneous morphology. 2. Phase inversion as judged by drop…
A pure silica core fiber with glass cladding is known to produce larger absorption in the visible wavelength region under γ-ray irradiation than a similar fiber with silicone cladding. This absorption is a serious problem, especially in image-guiding fibers used in radiation environments such as in nuclear power plant…
We have applied the results of the nonperturbative theory of zero-phonon linewidths of impurities in crystals discussed by Osad’ko and us, and further developed by us in papers I and II of this series, to the analysis of several absorption, photon echo, and hole burning experiments. Two (relatively) high temperature a…
This paper described recently devloped non-oriented electrical steel products for both rotating machines and ballast cores of fluorescent lamps and effective measures to achieve lower core loss for grain-oriented silicon steel for transformers. H6, the highest grade of non-oriented electrical steel produced by Nippon…
A review of corrosion and environmental effects on the mechanical properties of candidate structural alloys for use with liquid metals infusion reactors is presented. The corrosion/mass transfer behavior of austenitic and ferritic steels and vanadium-base alloys is evaluated to determine the preliminary operating temp…
No abstract available.
Abstract Generally the deposition of oilfield scale in surface and subsurface production equipment can cause many operational problems. Scale precipitation in oilfields has a detrimental effect on fluids, processing equipment, pipelines, and downhole well equipment processing equipment, pipelines, and downhole well eq…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermally activated magnesium oxide surface chemistry. Adsorption and decomposition of phosphorus compoundsShaw Tao Lin and Kenneth J. KlabundeCite this: Langmuir 1985, 1, 5, 600–605Publication Date (Print):September 1, 1985Publication History Published online1 May 2002Publi…
Abstract Polyurethanes based on MDI/BDO are known to crystallize in three distinct forms. Two of these crystal structures, type II and type III, have been characterized by electron and x‐ray diffraction experiments on model compounds and oriented thin films of a 77% hard‐segment polyurethane elastomer. The model compo…
Abstract Nickel crystal chemistry was systematically studied in various phyllosilicates, mainly the natural phases selected from the ‘garnierites’ of the supergene ore deposits of New Caledonia. Minerals which do not usually occur in New Caledonian parageneses were synthesised, as they could represent intermediate pha…
The sulfur-based organic metal di[bis(ethylenedithio)tetrathiafulvalene]triiodide [or (BEDT-TTF${)}_{2}$${\mathrm{I}}_{3}$, abbreviated (ET${)}_{2}$${\mathrm{I}}_{3}$] occurs in at least two crystalline phases. One phase (denoted as \ensuremath{\beta}) exhibits ambient-pressure superconductivity, while the second (den…
A variety of observations in humans and experimental animals indicate that large numbers of circulating cancer cells are killed in the microvasculature. It is suggested that this occurs when friction or adhesion between individual cancer cells and capillary walls results in an increase of tension in the cancer cell pe…
The paper gives a brief description of the Preisach-Krasnoselskii model [1,2] for scalar hysteresis and a geometric interpretation of the model. Previously, it was assumed that numerical implementation of the Preisach model required the evaluation of double integrals. The intent of this paper is to develop a new metho…
A modified method for S1 nuclease assay has been developed to quantitate an amount of radioactive transcripts in the presence of unlabeled homologous RNA. Using this method, we have assayed in vitro transcription of fibroin gene on circular and linear templates. In a posterior silk gland cell extract, covalently close…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis, spectroscopy, and structures of copper(II)-3,5-di-tert-butyl-o-semiquinone complexesJeffery S. Thompson and Joseph C. CalabreseCite this: Inorg. Chem. 1985, 24, 20, 3167–3171Publication Date (Print):September 1, 1985Publication History Published online1 May 2002Pu…
Abstract The tectonically active Vancouver Island continental margin is characterized by a very narrow (< 80 km) continental shelf and an extremely steep continental slope. The shelf is marked by high wave and current energies on the inner, nondepositional shelf and very slow rates of sediment accumulation on t…
Heat exchange and thermal insulation were determined in four subjects during 120 minutes exposure (60 minutes exercise and 60 minutes rest) at +8°C in a climatic chamber. Two types of garment assemblies were investigated, each comprising a jacket, trousers, socks, mittens, and a hat of identical construction made of w…
The relationship between the structural type of anionic group and SHG effect in oxide compounds has been reviewed.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystallographic study of the low-spin iron(II) and iron(III) bis complexes of 1,4,7-triazacyclononaneJan C. A. Boeyens, Alister Forbes, Robert D. Hancock, and Karl WieghardtCite this: Inorg. Chem. 1985, 24, 19, 2926–2931Publication Date (Print):September 1, 1985Publication…
Abstract The five independent elastic moduli C 11 , C 12 , C 13 , C 33 , and C 44 of oriented high‐density polyethylene with draw ratio λ from 1 to 27 have been determined from −60 to 100°C by an ultrasonic method at 10 MHz. At low temperature the sharp rise in the axial extensional modulus C 33 with increasing λ and…