Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
A novel Starch/Poly (vinyl alcohol)/nano-Titanium dioxide (ST/PVA/nano-TiO2) biodegradable nanocomposite film was prepared by homogeneously dispersed TiO2 nanoparticles in different ratios of starch/PVA-based materials, via a solution casting method. Glycerol was used as plasticizer. The mechanical and thermal propert…
This paper reviews some valuable information about the Marine Textile in terms of Raw Materials, Construction, Products, Quality Standards, Standard Evaluation method, Manufacturing process, Manufactures, Market information and the Engineering principle of developing the products used for marine applications made of t…
O trabalho apresenta os resultados do inventário e da distribuição das diatomáceas da classe Bacillariophyceae de sedimentos superficiais de cinco reservatórios em cascata do rio Paranapanema. Amostras foram coletadas com draga em três locais (montante, região intermediária e lacustre) dos reservatórios. Foram identif…
Mg alloys with high Al contents have superior corrosion resistance in aqueous environments, but poor cytocompatibility compared to that of pure Mg. We have silanized the cast AZ91 alloy to improve its cytocompatibility using five different silanes: ethyltriethoxysilane (S1), 3-aminopropyltriethoxysilane (S2), 3-isocya…
In high voltage power equipment, partial discharge (PD) measurement is widely used in the performance assessment of an insulation system. However, from modelling of PD, a better understanding of the phenomenon may be attained. PD activity within a void in a solid dielectric insulation material is influenced by many fa…
(La1-xCax)2Mo2O9-d and (La1-xBax)2Mo2O9-d (x = 0.05, 0.1, 0.15, 0.2) materials were prepared at 800 °C by co-precipitation method and characterized by X-ray diffraction and scanning electron microscope. The XRD diagrams showed the presence of CaMoO4 and BaMoO4 secondary phases only at high contents of the dopants. X-r…
Quartz replacement by kerolite (variety of talc) was examined in coarse- to medium-grained graphic intergrowths of quartz + feldspars (oligoclase An13-15Or3/orthoclase Or95-99Ab5-1) from the desilicated granitic pegmatite hosted in serpentinized apoharzburgite, at the locality Věžna I, western Moravia, Czech Republic.…
Magnetizing inrush current in transformer results from any abrupt changes of the magnetizing voltage. When a transformer is first energized, a transient current up to 10 to 50 times larger than the rated transformer current can flow for several cycles. This current is called as magnetizing inrush current. Magnitude of…
Abstract Summary: The changes in mechanical properties and the water absorption capacity of poly (vinyl chloride)/alfa fibre composites were studied as a function of alfa fibre content (10, 20 and 30 wt %) and its particle size. The study showed that composites samples exhibited higher tensile modulus compared with th…
AIM: To investigate morphological alterations of malignant cancer cells (T24) of urothelial origin seeded on flat titanium (Ti) and nanotubular TiO(2) (titanium dioxide) nanostructures. METHODS: Using anodization method, TiO(2) surfaces composed of vertically aligned nanotubes of 50-100 nm diameters were produced. The…
Composite oxide ionic conductors consisting of Zr 0.85 Y 0.15 O 1.925 (YSZ) and La 9.33 Si 6 O 26 (LSO) have been synthesized by a modified coprecipitation method. X-ray diffraction, electron microscope, and complex impedance were adopted to investigate the phase component, microstructures, and conductivities, respect…
Different forms of an electrically conductive polymer, an organic semiconductor, namely, polyaniline, have been synthesized and characterized. The magnetization curves of the obtained forms have been analyzed. It has been found that, in the oxidized form, the material exhibits a magnetic hysteresis at room temperature…
The present study focuses on the micro-encapsulation and nano-encapsulation to the 100 % cotton denim fabric using three herbal extracts of Ricinus communis, Senna auriculata and Euphorbia hirta to impart their antimicrobial efficiency by finishing the methanol extracts of these herbs on the denim fabric. The combinat…
Using molecular dynamics simulations of a standard bead-spring model for polymer chains,bottle-brush polymerswith a flexible backbone of Nbeffective units,where side chains of length N are grafted under theta and good solvent conditionsin the range , are studied.The range of backbone and side chains' length varies cor…
Research advancements for magnetically guided drug delivery encompass not only the improvement of the design, synthesis and evaluation of more selective nanomaterials bearing magnetic properties, but also the optimization of the transport and delivery of magnetic agents. Such versatile platforms can be utilized for si…
BACKGROUND: Isocitrate Dehydrogenases (IDHs) are important enzymes present in all living cells. Three subfamilies of functionally dimeric IDHs (subfamilies I, II, III) are known. Subfamily I are well-studied bacterial IDHs, like that of Escherischia coli. Subfamily II has predominantly eukaryotic members, but it also…
In this study, mechanical properties of composite laminates reinforced with various forms of glass fibers have been investigated. Tensile testing, impact testing and optical microscopy and SEM analysis results were discussed. The results of glass fiber reinforced novel composite material have been compared with the re…
The dynamic response of a gas bubble entrapped in a cavity on the surface of a submerged solid subject to an acoustic field is investigated in the linear approximation. We derive semi-analytical expressions for the resonance frequency, damping, and interface shape of the bubble. For the liquid phase, we consider two l…
Quantum mechanical-based kinetic Monte-Carlo calculations (KMC) are used to investigate mechanisms of degradation of graphene devices subjected to 10-keV x-ray irradiation, ozone exposure, and subsequent high-temperature annealing. Using KMC, we monitor the time evolution of defect concentrations on a graphene surface…
Structural and magnetic properties of LiNi 0.5 Mn 1.5 O 4 and LiNi 0.5 Mn 1.5 O 4−δ are investigated using density-functional theory calculations. Results indicate that nonstoichiometric LiNi 0.5 Mn 1.5 O 4−δ and stoichiometric LiNi 0.5 Mn 1.5 O 4 exhibit two different structures, i.e., the face-centred cubic ( Fd -3…