Materials Literature
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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 N<SUB>b</SUB>effective units,where side chains of length N are grafted under theta and good solvent conditionsin the range<img src=image/10.5923.j.ajcmp.20120204.05_001.gif></img><SU…
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…
The transport and magnetic properties were examined of thin films of the electron-doped manganite Ca1−xCexMnO3 (CCMO; 0 ≤ x ≤ 0.1) deposited on three different single-crystalline oxide substrates: YAlO3, NdAlO3, and LaSrAlO4, which subject the films to a compressive strain, a practical lattice matching, and a tensile…
Zinc sulphide thin films have been deposited on FTO coated glass substrates using the sputtering and chemical bath deposition techniques. ZnS thin film is at first grown by CBD using a aqueous solution of thioria, ammonia, ammonium chloride and zinc chloride, respectively; whereas ZnS thin film is also grown from sput…
Thermal conversion process was applied with three types of waste plastic mixture and waste plastics mixture to liquid hydrocarbon fuel production in present of oxygen under laboratory Labconco fume hood without adding any kind of catalyst. Utilization of the process described can reduce the impact of waste plastics si…
In this study, jute fibers were added into cement based materials to improve their compressive strength, flexural strength and early-age crack resistance. Results showed that the compressive and flexural strength of the fiber reinforced concrete were significantly enhanced with 30mm length jute fiber at the mixing amo…
The role of dynamic polar nanoregions (PNRs) of (1−x)Pb(Zn1/3Nb2/3)O3-xPbTiO3 (PZN-100xPT) single crystals with the PT content x = 0.15 (i.e., higher than above the morphotropic phase boundary composition x ∼ 0.09) has been investigated using inelastic light scattering. The remarkable anomaly of the longitudinal acous…
Inspired by the co-coupling of the non-smooth structure and the waxy layer inducing the hydrophobicity of dragonfly wing surface, we developed a simple and versatile method to fabricate a superhydrophobic surface with the dragonfly wing structures. In this work, Ag nanorods grew on highly ordered anodic aluminum oxide…