Materials Literature
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The impact strength depends on both the size and the shape of filler and is also affected by micromorphology. Poor impact strength is correlated with a high capacity for nucleation of cristallisation.
The authors present a comparison between results predicted by four mathematical models of hysteresis and experimental data measured on a CoNiCr alloy for longitudinal recording. Two of those models are simple analytical formulas and can be used in a first approach to the phenomena, but are deficient in terms of modeli…
Seam pucker can only be assessed subjectively, by using photographic standards, since instrumental techniques have so far failed to produce accurate results. A low cost means of predicting the degree of pucker has been provided, by correlating measured values of fabric and thread mechanical properties and geometrical…
The mechanics of the bending of yarns and woven fabrics have received considerable attention in the literature. Efforts have been made to obtain analytical relations between yarn-bending behaviour and constituent-fibre properties. In the case of fabrics, the objectives have been to obtain analytical relations between…
Abstract An attempt was made to clarify the effect of the crystal form of untreated cellulose on the morphological and structural changes of cellulose during steam explosion treatment (steam pressure P = 2.9MPa ( T = 508K), treatment time t = 15‐300 s). For this purpose, the crystal form of soft wood pulp (cellulose I…
Recent work has revealed some new and important characteristics of liposomes: Inclusion of certain glycolipids within liposomes composed of phosphatidylcholine or sphingomyelin and cholesterol drastically prolongs the circulation time and reduces their uptake by liver and spleen. Concomitantly, their accumulation in s…
Abstract Poly(aryl ether ether ketone) is found to be compatible with poly(aryl ether sulfone) at a blending temperature 310°C. There is a single glass transition temperature ( T g ) for various compositions of the blend. The relationship of T g with composition obeys Gordon‐Taylor's equation, where the adjustable par…
Many strains of the genus Ustilago were found to be good producers of organic acids, that is, itaconic, l-tatartaric, l-2-hydroxyparaconic, and L-malic acids. Itatartaric and 2-hydroxyparaconic acids were invariably produced together with itaconic acid. From these findings and the results of the experiments with perme…
The reaction of an oxidised activated carbon with gaseous ammonia converts surface cyclic anhydride groups to amide and ammonium carboxylate species, which at elevated temperatures decompose to nitrile. Amine and alcohol species are also adsorbed products of ammonia treatment. Cyclic anhydride groups were hydrolysed b…
Abstract A study on biological assessment of water pollution using diatom community structure and species distribution was carried out in the Linggi River Basin, Malaysia which was polluted by various urban, industrial and agricultural wastes. A total of 86 diatom taxa belonging to 21 genera were recorded from all eig…
Various kinds of supported Ru cluster have been prepared by using the surface reaction of Ru3(CO)12 with inorganic oxides such as V2O5, SiO2, TiO2, Al2O3, K-doped Al2O3, and MgO followed by H2 reduction at 723 K. Their structures have been determined by means of EXAFS. Ru3(CO)12 supported on V2O5 was observed to be co…
Abstract Copper and copper alloys constitute one of the major groups of commercial metals due to their excellent electrical and thermal conductivities, corrosion and fatigue resistance, ease of fabrication, and good strength. This article lists the types, properties, fabrication characteristics, corrosion ratings, tem…
Abstract Conditions are described for preparing blends of cellulose with nylon 6 (Ny6) and poly(ε‐caprolactone) (PCL) from solutions in N,N‐dimethylacetamide (DMAc)– lithium chloride (LiCl) by coagulation in a non‐solvent. The binary blend films of both series, obtained over a wide composition range (10/90–90/10) from…
Magnetic properties of SmFe/sub 10/(Ti,M)/sub 2/ melt-spun ribbons were studied, where M is V, Cr, Mn, and Mo. The ribbons (M=V/Cr/Mo) quenched at 20 m/s exhibit the high coercivities of 4.2-5.5 kOe. Annealing the ribbons quenched at 40 m/s enhances their coercivities in the range of 5.9-10.0 kOe. In particular, SmFe/…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPyrolysis of acetylene in sonolytic cavitation bubbles in aqueous solutionEdwin J. Hart, Christian Herbert. Fischer, and Arnim. HengleinCite this: J. Phys. Chem. 1990, 94, 1, 284–290Publication Date (Print):January 1, 1990Publication History Published online1 May 2002Publish…
Abstract
Abstract An attempt was made to clarify the effect of steam explosion conditions on the changes in morphology, degree of polymerisation P v , solubility towards aqueous alkali solution S a , and supermolecular structure of a soft wood pulp and to elucidate the mechanism by which the steam explosion treatment makes nat…
The hot corrosion of preoxidized 99% and 99.99% pure Ni covered with a thin Na 2 SO 4 film in a SO 2 ‐ O 2 gas atmosphere was investigated at 900°C by an electrochemical method using a sodium sensor and an oxygen probe. The preoxidation conditions were varied in order to affect the sulfidation of Ni, which resulted in…
Machine learning (ML) is transforming all areas of science. The complex and time-consuming calculations in molecular simulations are particularly suitable for an ML revolution and have already been profoundly affected by the application of existing ML ...Read More
A general review of some of the theories proposed to account for the process of “bronze disease” is presented from both the historical and chemical points of view. The corrosion product of most serious concern, cuprous chloride, and its inter-relationship with some of the other important corrosion products of copper a…