Materials Literature
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The mechanism of ring-opening polymerization of oxetane cation series compounds was investigated using the B3LYP and MP2 methods of density functional theory and ab initio methods, at the basis set levels of 6-31G(d,p) and 6-311++G(d,p).
The generation of bubbles and its interaction with the interface during melting and growth process of potassium tantalate niobate (KTa 1x Nb x O 3 ) crystals were visualized by a high temperature in-situ observation system. It was found that bubbles are generated mainly from the solid-liquid interface during melting,…
Cellulose nanocrystals (CNCs) have a high ability to disperse single-walled carbon nanotubes (SWNTs) in aqueous media and to form hybrids. These hybrids are used to grow layer-by-layer thin films of controlled thickness. Thanks to the presence of SWNTs, these films are conducting. In this article, we describe the proc…
The ternary Ag-Au-Ga system seems to be interesting in jeweller?s craft as a joint. Moreover, the ternary systems based on gold and silver have found applications in the dental industry. A literature overview of the Ag-Au-Ga system shows that the information about phase equilibria of this system does not exist. In the…
This paper aims to present an effective electromagnetic (EM) modelling approach for circular bundle of single-walled carbon nanotubes (CBSWCNTs), based on the electrical conductivity, relative complex permittivity and linear distribution impedance by applying General Ohms law for this bundle. The equivalent single con…
The wide distribution and adaptability of D. strictus encompasses great diversity which is expected to be reflected in its genetic constitution, hence identification and characterization of its genetic resources assumes great significance. The present work was carried to assess diversity in D. strictus germplasm throu…
The technology of synthesis of dispersed-hardened composites is based on the use of the process of mechanical alloying (MA) of powder materials. Mechanical alloying allows creating the active states in a matrix material solid body that are the centers of physical and chemical interaction between the phases of the powd…
The citations for the Brunauer-Emmett-Teller method to measure the surface area of finely divided solids continues to increase. Today it is one of the most cited manuscripts in physical science. The development of the BET equation and some criticisms of the theories needed for its development are provided. Brief descr…
This work reports the preparation of magnetic nanoparticles (FeNPs) using biocompatible W/O microemulsion for biomedical applications. W/O microemulsion was formed using decane as oil phase, water, tween 80 as non-ionic surfactant and hexanol as organic solvent. The synthesized FeNPs were characterised by using Fourie…
Self-protection or known as defensive covering can be alluded to something that can secure body, building, or vehicles from harm or assault. As the evolution going on, the material utilized as a part of plate armour continue changing, from steel, Kevlar, ceramic and the materials that can give better impact and benefi…
A three-dimensional electromagnetic crystal is employed as a directivity-enhancing superstrate for planar antennas. The crystal is a woodpile made of alumina rods. In a shielded anechoic chamber, the performance of a patch antenna covered with the woodpile is measured. The superstrate is positioned at different distan…
This research was carried out as to develop hybrid filler reinforced into the blend of natural rubber (NR) and styrene butadiene rubber (SBR). The NR/SBR blend was reinforced using carbon black (CB) and nano calcium carbonate (NCC). The NCC content varied from 2-10 phr which was incorporated into the NR/SBR blend fill…
Here we present the fabrication of LEDs based on porous GaN produced by chemical vapor deposition (CVD) and reviewed the work done that allowed demonstrating p - n junction rectifiers and MOS diodes in a simple manner and without involving post-growth steps to induce porosity. p - n junction rectifiers exhibited stabl…
Natural fiber reinforced composites are gaining tremendous attention among researchers and academicians off late. The ecofriendly nature and sustainability in addition to low cost and easy availability are the main reasons. Recently several studies are focussing on the vibration characteristics of natural fibre reinfo…
In this article, in order to enhance the optical characteristics, GaN-based light-emitting diodes (LEDs) with SiO 2 current blocking layer and stair-like aluminum-doped zinc oxide (AZO) transparent layers are fabricated and demonstrated. The characteristics of the LEDs with a planner AZO transparent layer, a SiO 2 cur…
The influence of Strain Induced Melt Activated (SIMA) parameters on the globularization of α-Al and microstructure in A356 aluminium alloy were investigated in the present study. After production of samples using conventional permanent mold casting and cold rolling at various reduction, they were heat treated at 590°C…
An equation of state for supercooled water in the mean-field approximation is presented in the paper. The model describes experimental data in the supercooled region and satisfies a condition that for very low temperatures heat capacity of liquid water is close to the heat capacity of ice. The equation is used to calc…
The accelerator is a kind of additive type C that works by speeding up the time of bonding and hardening of concrete. This study was conducted to determine how the effect of variations in the use of additional materials accelerator Calcium Chloride (CaCl 2 ) to a tie early concrete / mortar. Calcium chloride is obtain…
A new Technical Standard that supports the clearance of materials and equipment (personal property) from U.S. Department of Energy (DOE) accelerator facilities has been developed. The Standard focuses on personal property that has the potential to be radiologically impacted by accelerator operations. It addresses mate…
Background: Wound healing problems can arise in donor wounds after harvesting a full-thickness graft. Returning Mesenchymal Stem Cells (MSCs) on the wounds may accelerate wound healing. The aim of this study is to analyse the effect of MSCs in the epithelialization process and collagen density on full-thickness wound…