Materials Literature
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Abstract The purpose of the work was to estimate an influence of gas‐assisted injection conditions (the temperature of plastic material, switch time‐delay time, gas injection time) of shape, position and dimension of gas channel, and structure of injection molded parts. The change in the value of the dynamic Young mod…
The linear and nonlinear optical properties (L&NLO) of a monolayer of (4-( N -methyl- N -(carboxypropyl)amino)-phenyl-4′-( N, N -dibutylamino)phenylsquaraine (SBA) were computed by a combination of molecular dynamics simulations, molecular quantum-mechanical, and discrete local-field model calculations to compute the…
Material constitutive models are important to predict deformation behaviour of materials. To identify parameters of constitutive models for high-strain-rate forming, appropriate methods are needed to investigate the dynamic behaviour of materials. Electromagnetic forming is a high-velocity and high-strain-rate forming…
The Nagaon Paper Mill(NPM) discharges their heavily loaded waste effluents @2100 m3/h into the natural wetland system called Elenga Beel located in Morigaon district of Assam(India).Due to higher chemical diversity of Paper Mill Effluents (PME) it impairs with the water quality as well as endangers aquatic life . The…
New pre‐reduced titanium‐zirconium ( x /1‐ x ) oxide(s) supported palladium samples 0.5w% Pd/Ti x Zr 1‐ x ( x = 0; 0.2; 0.3; 0.5; 0.7; 0.8; 1) have been shown to be efficient catalysts for the total oxidation of trichloroethylene (solvent widely used in dry cleaning and degreasing processes) in humid air (1mol%). A ch…
Nanoparticles reach the tumor through the “leaky” tumor vasculature that allows the transfer of large molecules out of the blood stream. Once in the tumor microenvironment targeting peptides on the surface of the nanoparticles allow specific binding by tumor-cell receptors and subsequent cell internalization. On page…
The electronic charge transport in active layer of organic thin-film transistor (OTFT) based on conductor polythiophene (sexithiophene (6T) and octithiophene (8T)) was studied. A mathematical model is presented based on the variable range hopping (VRH) transport theory. Using the VRH model the expression of source-dra…
The dispersion relations of the lowest magnetic excitations at low temperatures and the temperature dependence of the inverse magnetic correlation length were determined using inelastic pulsed neutron scattering experiments on the following one-dimensional Heisenberg antiferromagnets: CsVCl 3 ( S = 3/2), CsVBr 3 ( S =…
Abstract Ideal isotropic or kinematic hardening is often utilized in order to simplify the modeling of the loading and reverse loading behavior of materials when using finite element analysis. Unfortunately, this simplification can result in significant error if the material exhibits the Bauschinger effect (BE), which…
The redox reaction and the pseudo first-order reaction kinetics of single-walled carbon nanotubes (SWNTs) dispersed in solution of a surfactant sodium dodecyl sulfate (SDS) have been studied with Hg 2+ ions. The reaction is monitored by using the unique near-infrared optical absorption properties of SWNTs. Various fac…
: Analysis methods for electrochemical etching baths consisting of various concentrations of hydrofluoric acid (HF) and an additional organic surface wetting agent are presented. These electrolytes are used for the formation of meso- and macroporous silicon. Monitoring the etching bath composition requires at least on…
Reduction of the Residual DC in the Photoaligned Twisted Nematic Liquid Crystal Display Using Polymerized Reactive Mesogen, Lim, Young Jin, Jeong, Il Hwa, Kang, Heon-Seok, Kundu, Sudarshan, Lee, Myong-Hoon, Lee, Seung Hee
Bulk metallic glasses are known to have a composition formula [cluster](glue atom)1,3 within the framework of the cluster-plus-glue-atom model. The key issue in applying the cluster formula is the determination of the right clusters and glue atoms. As examples, alloy phases in the glass-forming systems Al–Ni–Zr and B–…
The mechanical properties of hydrogenated silicon thin films deposited using high-frequency PECVD process were studied, which certainly have importance for optoelectronic devices particularly for getting stability and long operating lifetime in harsh conditions. Nanoindentation technique was used to measure the load v…
Two-dimensional (2D) functions with wallpaper group symmetry can be written as Fourier series displaying both translational and point-group symmetry. We elaborate the symmetry-adapted Fourier series for each of the 17 wallpaper groups. The symmetry manifests itself through constraints on and relations between the Four…
Mucoadhesive polymers have gained much attention due to the possibility to overcome physiological barriers in long-term drug delivery. Chitosan is a biocompatible and non-toxic chitin derivative, which due to its mucoadhesive properties enables to obtain prolonged drug delivery. The aim of this study was to formulate…
We focus on the description of a complex mechanism whereby the graphene electronic properties vary in the case of graphene hydrogenation as periodic graphene/graphane structures are formed. Two nonmonotonic dependences of the band gap on the hydrogen concentration and on the arrangement of adsorbed hydrogen atoms on t…
We have synthesized two iron-pnictide/chalcogenide materials, CuFeTe 2 and Fe 2 As, which share crystallographic features with known iron-based superconductors, and carried out high pressure electrical resistivity measurements on these materials to pressures in excess of 30 GPa. Both compounds crystallize in the Cu 2…
Beneath the sheets: (31) P NMR data suggests that phosphates are liberated freely in the interlayer of a cobalt-hydroxide water-oxidation catalyst. The cobalt-hydroxide sheets are separated by an interlayer region with water, counterions and phosphate, which help to shuttle protons as the layer develops charge.
Abstract Bi2O3 nanostructures with high surface‐to‐volume ratio are attracting particular interest in catalysis, gas sensors, solar‐energy conversion, and so on. In this paper, we present the impact of annealing on morphology, structure, and optical properties of Bi2O3 nanotube‐based urchin‐like microarchitectures, wh…