Materials Literature
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Titanium (Ti), silicon (Si), silver (Ag), vanadium (V), gold (Au), and chromium (Cr) surfaces were made hydrophilic by radiofrequency plasma treatment. The binding of antifibrinogen (a-fib) and anti-high-molecular-weight kininogen (a-HMWK) after incubation of surfaces in 10% human blood plasma was investigated with el…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReaction pathways of C3 carboxylates on copper(1+) oxide(100): acrylic and propionic acid decompositionKirk H. Schulz and David F. CoxCite this: J. Phys. Chem. 1992, 96, 18, 7394–7398Publication Date (Print):September 1, 1992Publication History Published online1 May 2002Publ…
The corrosion of AISI C1020 carbon steel in an anoxic, marine, sulphide-containing environment was examined as a function of bacterial physiology and consortial complexity. The carbon steel was exposed to three organism;Eubacterium limosum, Desulfovibrio sp. andDesulfobacter sp. which were provided with H2/CO2, butano…
The pulse magnetization method was used to study DW (domain wall) dynamics in Tb/sub x/(Fe/sub 85/Co/sub 15/)/sub 100-x/ amorphous films with Tb content of 18-28 at.%. The films have perpendicular magnetic anisotropy. The character of DW motion was shown to depend significantly on the resultant film magnetization, the…
Itinerant-Electron Metamagnetism (IEM) is characterized by a first-order transition occurring, under the effect of varying external parameters such as temperature, magnetic field or pressure, between a nonmagnetic or low-induced-moment state and a ferromagnetic large-moment state. It is usually ascribed to peculiar fe…
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X-ray absorption spectroscopy has been combined with high pressure in order to investigate phase transitions. Information obtained by these techniques will be illustrated by recent experiments performed on different types of materials (semiconductors, molecular solids, glasses,…). The future developments (combination…
ADVERTISEMENT RETURN TO ISSUEPREVArticleA novel biodegradable poly(urethane ester) synthesized from poly(3-hydroxybutyrate) segmentsYoji Hori, Motoki Suzuki, Yoshiki Okeda, Takashi Imai, Minzo Sakaguchi, Yoko Takahashi, Akio Yamaguchi, and Susumu AkutagawaCite this: Macromolecules 1992, 25, 19, 5117–5118Publication Da…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTridecavanadate, [H12V13O40]3-Lage Pettersson, Ingegaerd Andersson, and Oliver W. HowarthCite this: Inorg. Chem. 1992, 31, 20, 4032–4033Publication Date (Print):September 1, 1992Publication History Published online1 May 2002Published inissue 1 September 1992https://pubs.acs.…
It is found that the addition of Cu to NdFeB magnet material changes the composition of the grain-boundary phase from NdFe based phase to binary NdCu. It is also found that when the grain boundary phase is liquid, it can dissolve significant amounts of the 2-14-1 phase, and when liquid phase is extruded from the sampl…
Relative reactivities of potassium persulfate (KPS) and ferrous ammonium sulfate-potassium persulfate (FAS-KPS) systems, in aqueous medium, as initiators for grafting of methyl methacrylate (MMA) onto chitin, were studied. Evidence of grafting was obtained from IR spectroscopic measurements of the grafted and ungrafte…
A wide bandwidth, dynamic model for the magnetization of the core material used in pulse transformers must be able to perform accurate circuit simulations involving such transformers. The authors have obtained such a model by combining the approaches used in the static hysteresis models of D.C. Jiles and D.L. Atherton…
Phase relations in the Fe-rich corner of the Sm-Fe-Ti system were investigated by means of microstructural examinations, EDX, and thermal and thermomagnetic analyses. Between 1000 degrees C and 800 degrees C, equilibria of Sm(Fe, Ti)/sub 12/ with the phases alpha -Fe, Fe/sub 2/Ti, and Sm(Fe, Ti)/sub 9/ were found, whi…
Abstract A new analytical expression of the surface ionization Φ(0) is derived in terms of atomic number and overvoltage. This expression is obtained by means of an analytical description of the energy distribution of backscattered electrons. The Φ(0) data for Pt, W, Sb, InSb, Ni, Co and Mg have been measured using th…
Raman scattering measurements on cubic boron nitride up to 1600 K are reported. The results indicate that at 1600 K the interatomic force constant is only ∼10% weaker than at room temperature and that cubic BN is therefore a good candidate for applications where high-temperature mechanical strength is required. Howeve…
The corrosion resistance of 316L cold worked stainless steel depends upon its thin protective oxide layer; and if this is partially broken down, corrosion resistance depends upon its tendency for repassivation. Since the intended function of stainless-steel implants is to sustain musculoskeletal forces, research towar…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPicosecond laser-induced fluorescence polarization studies of mitoxantrone and tetrakis porphine/DNA complexesYizhong Shen, P. Myslinski, Teresa Treszczanowicz, Yixian Liu, and J. A. KoningsteinCite this: J. Phys. Chem. 1992, 96, 19, 7782–7787Publication Date (Print):Septemb…
Abstract Chemical and mineralogical analyses of fossil caliche profiles developed on top of Lower Pleistocene alluvial formations in the East-central sector of the Ebro basin indicate that they have high content of carbonate (average 84%) and high Ca/Mg ratios (average 136). The clay mineral assemblages vary slightly…
Abstract The self‐diffusion of benzene, toluene, and ethylbenzene in polystyrene have been analyzed using the Vrentas/Duda free‐volume diffusion model. Diffusion coefficient predictions suggest an exponential concentration dependence of the activation energy required to overcome attractive forces, E . Without the use…
The dielectric properties of SrTiO 3 epitaxial film were studied using film grown on oxide superconductor YBa 2 Cu 3 O y . They were, to a certain extent, similar to those of the single-crystal bulk in terms of both temperature and electric field dependence, though the value of the dielectric constant was low, particu…