Materials Literature
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The effects of normal load and velocity on the friction and wear behavior of single-phase Fe2B bulk have been investigated by optical microscopy, X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy. Results indicate that the friction coefficient and wear rate both decrease at first an…
Ultrafine-grained Al exhibits remarkable tension/compression asymmetry of yield stress. Large-scale atomistic simulations and dislocation theory reveal that the yield event is not related to intragranular dislocations but caused by dislocation nucleation from the grain boundaries (GBs). Dislocation core associated wit…
Titanium dioxide/graphene composites have recently been demonstrated to improve the photocatalytic activity of TiO 2 in visible light. To better understand the interactions of TiO 2 with graphene we have investigated the growth of TiO 2 nanoclusters on single-layer graphene/Ru(0001) using scanning tunneling microscopy…
biotechnology open access journals Advances in biotechnology and microbiology is an Open Access, peer reviewed scientific journal focused towards publishing a complete and reliable source of information on the innovations and ongoing developments in the field of Biotechnology & Microbiology.
Wss1 is a DNA-protein crosslinks (DPCs) repair protein, which is responsible for degradation of the protein components in DPCs. In this investigation, crystal structure of the protease domain from saccharomyces cerevisiae Wss1 (ScWss1) was solved and was compared with the known crystal structure of Schizosaccharomyces…
Abstract Structured Silicon Carbide was proposed to be an ideal template for the production of arrays of edge specific graphene nanoribbons (GNRs), which could be used as a base material for graphene transistors. We prepared periodic arrays of nanoscaled stripe‐mesas on SiC surfaces using electron beam lithography and…
The objective of this study is to report the solubility of cephradine form 1 in 0.5% sodium bisulfate (W/V) solution and cefprozil monohydrate in water, as a function of pH, at temperatures of 283.15, 298.15, and 308.15 K. The experiment was conducted by using a dynamic laser monitoring technique under atmospheric pre…
The temperature effect on the current density which closely related to cathodic protection (CP) design was examined using electrochemical tests. A case study of an optimized CP design for the floating production storage and offloading using a computational analysis tool was also performed. The electrochemical test res…
Abstract Electrostatically actuated miniature wires/tubes have many operational applications in the high-tech industries. In this research, the nonlinear pull-in instability of piezoelectric thermal small-scale switches subjected to Coulomb and dissipative forces is analyzed using strain gradient and modified couple s…
Molecular aggregation structure and mechanical as well as thermal properties of novel well-defined multiblock copolymers consisting of crystalline syndiotactic polystyrene (sPS) and rubbery hydrogenated polyisoprene (hPIp) were investigated. The morphology and crystalline ordered structure of the multiblock copolymer…
We present a systematic study of a stress coefficient of dielectric materials (SiO2, Nb2O5, and HfO2). In particular, we show a thickness dependence of the stress coefficient on layer thickness, which shows that the determination of this coefficient is complex and requires careful analysis. We then apply the different…
Φ1 inch Dy3+ and Ge4+ co-doped bismuth silicate (Bi4Si3O12, BSO) single crystals with the length of 80–100 mm were successfully grown by Bridgman method. They are transparent, free of cracks and inclusions. The white residual at the top parts of BSO crystals disappears with co-doping 1 mol% Dy3+ and more than 3 mol% G…
Calix[4]arenes are versatile ligands that, whilst also serving other purposes, can act as platforms for the synthesis of a wide range of 3d, 4f, and 3d-4f polymetallic clusters. The empirical metal ion binding rules established for calix[4]arene are closely mirrored by bis-calix[4]arene, a relatively new ligand in whi…
We investigate anisotropic electronic structure and thermal transport properties of bulk black phosphorus (BP). Using density functional dynamical mean-field theory we first derive a correlation-induced electronic reconstruction, showing band-selective Kondoesque physics in this elemental $p$-band material. The result…
Al2O3–SiC composite powders were prepared from kyanite tailings mixed with 20% excess carbon coke via carbothermal reduction (CR) reaction. The optimised synthesis condition for synthesising Al2O3–SiC composite powders was at 1600°C for 6 h. The equilibrium relationship curves of the condensed phases were presented an…
EIGER is a single-photon-counting hybrid pixel detector developed at the Paul Scherrer Institut, Switzerland. It is designed for applications at synchrotron light sources with photon energies above 5 keV. Features of EIGER include a small pixel size (75 µm × 75 µm), a high frame rate (up to 23 kHz), a small dead-time…
Mélange yarn is produced by mixing some pre-dyed fibers, as a part of mélange yarn manufacturing process, predicting the recipe, i.e. a list of percentages of pre-dyed fibers, is the most important and difficult step. Artificial neural network (ANN) is considered as a more effective recipe prediction method than the t…
Responses of two types of single-crystal diamonds, prepared by chemical vapour deposition (CVD) and high pressure high temperature synthesis (HPHT) methods, respectively, to a nanosecond pulsed neodymium-doped yttrium aluminium garnet (Nd:YAG) laser were investigated and compared. It was found that due to the differen…
ABSTRACT Graphene hybrid aerogels have attracted attention as electrode materials because of their unique porous architectures. However, their electrochemical performance is limited by the intrinsic hydrophobicity and the ease of aggregation of graphene nanosheets. We demonstrate a unique methodology to produce graphe…
The modified quantum dots (QDs) have been used in intracellular probing and drug delivery because of their special chemical and physical properties. In this paper, two β-cyclodextrin (β-CD)-modified CdSe/ZnS QDs with strong optical emission properties were synthesized as drug carriers to induce apoptosis. The positive…