Materials Literature
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The borohydride ion has been pointed as a promising alternative fuel. Most of the investigation on its electrochemistry is devoted to the electrocatalytic aspects of its electrooxidation on platinum and gold surfaces. Besides the known kinetic limitations and intricate mechanism, our Group has recently found the occur…
We demonstrate frequency-resolved optical gating using four-wave mixing in a hydrogenated amorphous silicon nanowaveguide. The ultrahigh nonlinearity and the wide conversion bandwidth of this device allow characterization of sub-ps pulses with high sensitivity.
In this letter, an original approach for filter design using one-dimensional photonic band-gap (1-D PBG) structures composed of subwavelength dipole elements is presented. Through an efficientS- toT-parameters conversion technique, a detailed analysis is performed to investigate the variation of the dispersion charact…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Frederico P. Santos, Hermes Alves Filho, Ricardo C. Barros; Coarse-mesh diffusion synthetic accel…
A study was carried out to assess environmental indicators and to investigate the role of soil mineralogy on the topolithosequence with a particular reference to soil development in South Sulawesi, Indonesia. Soil profiles were selected based on the differences in altitude, slope gradient, and rock unit. The soil prof…
Article history Drug dissolution testing plays an important role as a routine quality control test, for characterizing the quality of the product, for accepting product sameness under SUPAC (Scale-Up and Post-Approval Changes) related changes, in waiving bioequivalence requirements for lower strengths of a dosage form…
Uranium-zirconium alloy is considered main ingredient for making metallic fuel for Fast Breeder Reactor. Also, Zr-rich U-Zr alloys find applications in dispersion fuel for advance PWR. In this work investigations were carried out on the zirconium rich uranium-zirconium alloys (i.e. U-50wt%Zr, U- 60wt%Zr and U-70wt%Zr)…
crystals of cadmium mercury tetrathiocyanate dimethylsulphoxide [CdHg (SCN) 4 (H 6 C 2 OS) 2 ],CMTD was conveniently grown from a DMSO-water mixed solvent by slow evaporation technique. The good quality single crystal has been harvested in a period of 40-45 days. Different characterization studies have been carried ou…
In this study, the adsorption isotherm of copper (II) on a calcium phosphate host intercalated with 4-aminobenzoic acid in an ethanol solution was investigated. This gave a maximum adsorption capacity of 1.74 mmol g -1 . The material was incorporated into a carbonpaste electrode, and its electrochemical properties wer…
Abstract—Application of electric field in normal to aligned carbon nanotubes creates Coulomb forces at intertube junctions and tubes become closely packed. Packed structure facilitates intertube transfer of carriers and reduced resistance is found to scale with field strength. Aggregated nanotubes are therefore used a…
The combined method to investigate the electron spectrum of single n-type --doped quantum wells in silicon is proposed. It is based on computing the electron potential energy by means of the Thomas-Fermi method at flnite temperatures; then the obtained electron potential energy is applied to the iteration procedure wi…
The correlation of corrosion resistance and the related oxide layer structure on Ti-6Al-4 V alloy following a thermal hydrogenation processing (THP) plus common industrial heat treatment was investigated in this study. It appears that better corrosion resistance can be achieved by applying a post-THP annealing treatme…
The use of simulation tools has allowed companies to streamline their new product development processes reducing both cost and time-to-market. However, these virtual experimentation tools can be too complex and time consuming to be used by designers - that usually need a quick answer to compare and contrast different…
Background: Separation and deboning of artificial teeth from denture bases present a major clinical and labortory problem which affect both the patient and the dentist. The optimal bond strength of artificial teeth with denture base reinforced with nanofillers and flexible denture bases and the effect of thermo cyclin…
A novel Tris-NTA functionalised SiO2 EM grid is generated through covalent chemical functionalisation. Here, we show immobilisation of functional oligohistidine-tagged proteins and nucleation of microtubules from microtubule polymerase immobilised on the SiO2 EM grid surface.
Biodegradable oil as insulation in transformer currently starts being used as alternative to mineral oil due to its dielectric properties and availability. However, moisture content in these types of insulation oil is the real challenge especially for high voltage application. Malaysian researchers currently try to de…
Purpose: The paper presents a stress relaxation process of Co69Mo2Fe4Si14B11 metallic glass and properties changes in a temperature range up to 300 oC after annealing from 1 to 16 hours (in case of plasticity and stress relaxation researches) and 2 hours (for the magnetic properties investigations). Design/methodology…
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Online detection and monitoring of phase transformation using non-destructive electromagnetic system in industrial hot strip mill processing of steels are reported. The system renders wide range of possibilities for advanced control and fine tuning of the hot rolling and run-out table cooling parameters. These in turn…
We calculate phase transitions of uranium dioxide using structure factor in molecular dynamics. Our method is based on analysis of the rate of the structure factor change with the temperature. The temperatures of melting and transition to the superionic state for the uranium dioxide obtained by this method are 3100K a…