Materials Literature
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This paper provides an overview of the key areas of magnesium research and development being undertaken internationally and consideration of the future challenges confronting the further implementation of magnesium components. This paper will also include a description of some of the technologies that the CAST Coopera…
A mathematical model of magnetic hysteresis loops for weak ac magnetic fields, which is applicable for both symmetrical hysteresis loops that are described by the Rayleigh law of magnetization and asymmetrical loops that are not, has been formulated. The asymmetrical hysteresis loops take place when the ferromagnet is…
Scalability is one of the most important properties of phase-change non-volatile memory. In this paper we review the scaling properties of ultra-thin films and phase change nanostructures investigated by time-resolved X-ray diffraction. Phase change nanostructures were fabricated by electron-beam lithography and diblo…
Recent reports on various aspects of chemistry of phthalimide are being reviewed. The emerging development of supramolecular aspects of phthalimide derivatives are critically analyzed by examining the structures of host-guest complexes and also inorganic complexes. The role of weak interactions in deciding structures…
The catalytic combustion of carbon black was investigated in the presence of CeO 2 and Al 2 O 3 . The influence of contact type between carbon particles and these oxides was examined by thermal analysis, the BET specific area, and EPR spectroscopy. For tight contact carbon black-catalyst mixtures, a new paramagnetic s…
Polypropylene (PP)/corn starch master batch (MB)/modified montmorillonite (silicate) composites with different silicate compositions of 1, 3, 5, and 7 wt% were prepared by melt compounding at 200 o C, using lab scale Brabender mixer. The thermal properties and silicate dispersion of the PP/MB/silicate composites were…
Silver-poly(methyl methacrylate) (Ag/PMMA) nanocomposites were successfully synthesized by bi-in situ ultrasonic radiating the emulsion containing methyl methacrylate (MMA) monomer and silver nitrate; no initiator or reductant in this method. The resultant Ag/PMMA nanocomposites were charazcterized by infrared spectro…
The use of metal−organic compounds for the organic modification of mesoporous silica such as MCM-41 leads to a fast, efficient, and economic access to inorganic−organic hybrid materials. Using this method, MCM-41 was modified with short-chain alkenes such as allyl and vinyl groups, as well as styrene and different ace…
Stratified, dual bed catalysts composed of platinum followed by nickel have shown reactant conversions and product selectivities similar to rhodium, which has shown the highest activity for the millisecond catalytic partial oxidation reaction. The goal of the stratified catalyst is to carry out the catalytic partial o…
Several compositions of Th2-x/2AnIVx/2(PO4)2(HPO4).H2O (An=U, Np, Pu) were prepared through hydrothermal precipitation from a mixture of nitric solutions containing cations and concentrated phosphoric acid. All the samples were fully characterized by X-ray diffraction, UV-vis, and infrared spectroscopies to check for…
Water is a scarce resource and a major factor limiting crop productivity. Precision irrigation might promote water saving. In order to implement precision irrigation, efficient techniques for estimating spatial crop water status are needed. Thermal and visible images of cotton canopies were used in this study for esti…
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Abstract Summary: In the last decades, the growing environmental awareness has resulted in a renewed interest in the use of natural materials for different applications. In this context, the use of wood in plastic to obtain composites has grown significantly. In the present work, heartwood and sapwood from Angelim Ped…
Following the seminal work of Von Dreele, high quality powder X-ray diffraction studies on proteins are being established as a valuable complementary technique to singlecrystal measurements.Several studies using a variety of experiments approaches have been reported in the literature, including high-resolution studies…
Addition of germanic acid into the culture medium of the diatom Synedra acus subsp. radians (Kutz.) Skabitsch. had nearly no influence on the culture growth at the Ge/Si molar ratio 0.01, but stopped it at ratios 0.05 and higher. It was shown by mass-spectrometry that at the Ge/Si ratio 0.01 germanium was incorporated…
Acoustic emission (AE) sensors have been fabricated using both soft- and hard-type lead-free (Na0.5K0.5)NbO3-based ceramics. The acoustic and electromechanical properties of the ceramics have been determined using the resonance technique. The lead-free AE sensors were calibrated using a laser source and compared to a…
Direct experimental evidence of the validity of the two-phase model of chalcogenide glass has been obtained. It has been shown that the polarization-light irradiation of glassy semiconductor films induces giant mass transport in the direction perpendicular to the polarization of the incident light. It has been reveale…
Abstract The use of coupled multi-electrode arrays in various corrosion applications is discussed with the main goal of advancing the understanding of various corrosion phenomena. Both close-packed and far-spaced electrode configurations are discussed. Far-spaced electrode arrays are optimized for high throughput expe…
We have demonstrated covalent bonding of protein molecules to an oxidized multiwall carbon nanotube (MWCNT) in an aqueous buffer solution. A chemical reaction using carbodi-imide forms chemical bonds between open-ended tips of MWCNTs and protein molecules. The statistical examination indicated that proteins were attac…
TiCoSb-based half-Heusler compounds with the substitution of Zr for Ti have been prepared quickly by combining high-energy ball milling method with spark plasma sintering technique, and their thermal transport properties have been investigated. With the increase of the concentration of Zr, the thermal conductivity of…