Materials Literature
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Introduction: Cancer is one of the major non-infection health problem affect worldwide including Thailand. Several anticancer drugs have been orginated from natural products. Pleurotus sajor-caju , an edible mushroom, commonly used for sources of nutritional foods in many countries including Thailand, belongs to the P…
The authors discuss the X-ray fluorescence technique to determinate lanthanum in synthetic catalysts based on Y zeolite used in oil refining. Samples of the catalysts were obtained by hydrothermal synthesis. The particle size of the zeolite powder and their chemical composition were measured by electron probe microana…
The comparison of raster luminescent and light-emitting diode lamps is given in the article. The method to reduce the cost price of light-emitting diode lamps through the use of light-emitting diode bands is suggested.
This work presents a detailed formulation of reaction and diffusion dynamics of molecules in confined pores such as mesoporous silica and zeolites. A general reaction-diffusion model and discrete Monte Carlo simulations are presented. Both transient and steady state behavior is covered. Failure of previous mean-field…
Polyisobutylene (PIB) is a saturated hydrocarbon elastomer that can only be produced by cationic polymerization. The water-initiated, chain transfer controlled synthesis conducted on an industrial scale produces monofunctional PIB with mixed olefin end groups. Living cationic techniques produce mono- and di-functional…
In this work, an experimental and numerical investigation into the impact behaviour of fibremetal laminates (FMLs) subject to low velocity impact is conducted. The study investigates the damage initiation and progression of FMLs in order to characterise and represent the complex damage responses and deformation that l…
After approximately 20 years of development, polybenzimidazole (PBI) chemistries and the concomitant manufacturing processes have evolved into commercially produced membrane electrode assemblies (MEAs). Commerical PBI MEAs can operate reliably for over two years at elevated temperatures of 120-180°C due to the physica…
Optimization of the mechanical alloying and powder dispersion-strengthened steel EP-450 obtaining for a uniform distribution of reinforcing particles, as well as spark plasma sintering regimes of powder blanks to obtain dense samples are discussed.
At the thermal processing of gossypol pitches with various additives can be obtained the anticorrosive coatings with a rust modifiers properties. In the presented work the standardization and researches of corrosion speeds were executed on rusty and not rusty electrodes in various corrosive conditions. In the system «…
Kinetic laws of dussolution of aluminium and its alloys in alkaline solutions with different additions are studied by means of electrothermography. It is shown that the anodic reaction proceeds through formation of superficial oxide compounds in all investigated range of concentrations of NaOH.
A mathematical model of sound oscillations, which are localized on dislocations based on the differential equation of motion of the theory of elasticity for a piezoelectric crystal with defects of the crystal structure. Expressions are obtained for frequencies of axisymmetric and spiral waves and frequency intervals t…
In this thesis, different Convergent Beam Electron Diffraction (CBED) methods\nwere developed and verified for the investigation of local lattice strains between ≈\n10nm wide Si1-xGex-Si Strained Layer Superlattice (SLS) layers and crystal\npolarity of novel CdS nanostructures. As part of strain calculations, the shif…
In outbred rats a comparative toxicological evaluation of a nanoparticulate paclitaxel polylactide-based formulation, a liposomal docetaxel formulation and their standard drug formulations was conducted. Results of acute toxicity study revealed equivalent toxicity of standard and nanoscale formulations. Subchronic tox…
In a simple linear regression model with measurement errors, the estimation of the slope parameter is considered by three popular approaches, viz.,minimization of vertical, horizontal and perpendicular distances between the data points and the line. Asymptotic properties of the three estimators are analyzed when error…
Information is given on some properties of Cr-W alloy first obtained by method of electrodeposition. The presence of tungsten in the alloy improves the passivation properties, and therefore increases the corrosion resistance of the coating. The effect of temperature on the course of the polarization curves and the dep…
This work describes the production and characterization of three-layer piezoelectric filaments using two different electrically conductive polymers. The filaments were produced in a filament extrusion line, equipped with a coextrusion die that enabled a coaxial arrangement for a three-layer filament. For the inner and…
The article presents creation of the model for deformation and delayed fracture of materials exposed to low-temperature hydrogenation, which considers anisotropy emergence and heterogeneity of mechanical properties. The influence of the tension scheme on both the mechanical and diffusive characteristics of materials i…
The article deals with the various designs for core materials made from polymer composites and metal materials used for the sound-proof panels to the air engines. A unique design for the core material is offered.
We report optical spectroscopy by the OzDES collaboration of a supernova candidate discovered by the Dark Energy Supernova Survey (ATel #4668). The spectrum (350-900 nm) of DES12C3a was obtained at the Anglo-Australian Telescope with AAOmega-2dF observed by A. Hopkins. SNID (Blondin & Tonry, 2007, ApJ, 666, 1024) show…
The one-dimensional problem of plane-radial filtration is under consideration. The process is described by means of the equation of continuity and Darcy's law. The problem is solved with the help of the finite difference method using both the uniform and the non-uniform types of meshes. Porosity, viscosity and the pen…