Materials Literature
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Conducting polypyrrole particles in the size range 50–250 nm diameter have been prepared by a dispersion polymerisation route in aqueous media using FeIIICl3 as the initiator–dopant.
Surface Phenomenon Thin Liquid Films Conventional Foams Colloidal Gas Aphrons Oils Spread on Water Biliquid Foams Polyaphrons Applications of Bubbles Applications of CGA Applications of Polyaphrons Invert Aphrons Unusual Forms of Aphrons Biological Implications Cancer Paining on Water.
Abstract Fouling and/or scaling of heat transfer surfaces causes serious problems in industry. Prevention of fouling is therefore essential for technical (considerable deterioration of heat transfer) and also economic reasons (increased costs). In order to provide successful countermeasures, it is, however, necessary…
Particles on surfaces containing microelectronic circuits interfere with the circuit operation thus reducing product yield. Adhesion of particles to such surface as well as to other surfaces in production environments needs to be understood so that effective ways for preventing deposition and cleaning contaminated sur…
ADVERTISEMENT RETURN TO ISSUEPREVArticleSynthesis of liquid-crystalline polyacrylates with laterally substituted mesogensQi Feng Zhou, Hui Min Li, and Xin De FengCite this: Macromolecules 1987, 20, 1, 233–234Publication Date (Print):January 1, 1987Publication History Published online1 May 2002Published inissue 1 Janua…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOzone decomposition in water: kinetic studyJose L. Sotelo, Fernando J. Beltran, F. Javier Benitez, and Jesus Beltran-HerediaCite this: Ind. Eng. Chem. Res. 1987, 26, 1, 39–43Publication Date (Print):January 1, 1987Publication History Published online1 May 2002Published iniss…
Phase separation in a binary mixture is described by the nonlinear evolutionary Cahn-Hilliard equation. In this paper, we discuss the physical background of the equation and describe its solution by the Galerkin finite element method. Some theoretical results are presented and computationally verified.
Atomic diffusion processes in UO2 and in the fast-breeder reactor fuel, (U, Pu)O2 are reviewed. Emphasis is given to the slower-moving species. i.e. U and Pu. Self-diffusion, chemical diffusion, diffusion in a thermal gradient, enhancement of diffusion by radiation and fission and the operative diffusion mechanisms ar…
Principles and procedures of diffraction data processing are described. Reflection integration limits are obtained from a least squares analysis of peak profile widths, based on the principles of convolution synthesis of peak profiles. An approximate, empirical thermal diffuse scattering correction is obtained from a…
There is now evidence that collagen turnover in normal tissues can occur at rapid rates. In skin of adult rats, the mean rate lies between 3 and 5%/day, but rates of greater than 10%/day have been reported in some tissues, such as lung and periodontal ligament. The major sites of this degradation are still uncertain.…
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Abstract: Sequence stratigraphic concepts are powerful tools in the analysis of the evolutionary history of sedimentary basins. The criteria used in the identification of depositional sequences differ for outcrop and subsurface data sets because of scale differences in stratal continuity and spatial resolution. This p…
Graphite in various forms has become the standard target for accelerator 14 C dating. Graphite has been made by catalytic graphitization of charcoals (Lowe, 1984). Thin films of graphite have also been produced by thermal cracking (Beukens & Lee, 1981), electric discharge (Andrée et al , 1984; Wand, Gillespie &…
Article de synthese sur les recents developpements dans le domaine: les conducteurs a ion rapide, les mecanismes de la conductivite ionique, l'effet de l'ion mobile mixte et les effets de relaxation. On etudie l'influence de la structure, de la temperature et de la composition sur ces differentes proprietes
Bringing together information widely distributed throughout scientific and industrial journals, here is an overview of the chemical consititution and properties of clay minerals and the environmental conditions that lead to their formation. Provides a detailed picture of the chemical consititution of the eight main gr…
Of fundamental importance in the design of a therapeutic drug carrier system is a thorough understanding of the factors which control its fate in the living animal. The use of liposomes as a carrier system able to improve the therapeutic efficacy of a wide range of drugs, requires manipulation of its physical characte…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAn accurate electromagnetic theory study of surface enhancement factors for silver, gold, copper, lithium, sodium, aluminum, gallium, indium, zinc, and cadmiumEllen J. Zeman and George C. SchatzCite this: J. Phys. Chem. 1987, 91, 3, 634–643Publication Date (Print):January 1,…
The fundamental question as to whether thin intergranular films can adopt an equilibrium thickness in polycrystalline ceramics is addressed. Two continuum approaches are presented, one based on interfacial energies and the other on the force balance normal to the boundary. These indicate that there will exist a stable…
Intercalation of the layer type transition metal dichalcogenides by a variety of organic molecules, alkali metals, or ‘3d’ transition metals, provides a powerful way to finely tune the electron occupation of the relatively narrow ‘d’ bands met in these solids. These transition metal dichalcogenides are highly anisotro…
Revue de resultats experimentaux et theoriques concernant l'effondrement de bulles de cavitation pres de frontieres rigides, de surfaces libres, d'interfaces entre deux fluides de densites differentes et de materiaux composites