Materials Literature
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Polypropylene (PP) is a thermoplastic that is used in many applications. Hence, the recycling of PP is very important for the sustainability of the environment. However, the properties of recycled PP (rPP) are lower compared to virgin polypropylene due to the rupturing of its structure during the recycling process. On…
We have revealed experimentally a movement of the topological defects of optical indicatrix orientation, which takes place in CaB 4 O 7 glass with residual mechanical stresses under application of external compressive mechanical stresses. The effect is explained basing on the equation of optical indicatrix perturbed b…
12 i 2016
The mass attenuation coefficients and partial interactions of BaO-ZnO-B 2 O 3 glasses have been investigated using WinXCom program at difference photon energy. BaO-ZnO-B 2 O 3 glasses were prepared in composition xBaO: 20ZnO: (80-x)B 2 O 3 (where x = 15 and 20 mol %) by melt quenching technique under normal atmosphere…
To achieve ultrasonic casting of 35 CrMo steel,the waveguide unit for introducing ultrasound into liquid steel was studied numerically and experimentally.The structure and length of the ultrasonic waveguide were optimized by modal analysis.The simulation results showed that a T-shaped waveguide unit matched the vibrat…
0.028%のリンを含有するリン脱酸銅管とリンを含まない無酸素銅管を用いて蟻の巣状腐食発生試験を行った．100，1000，10000ppmのギ酸および酢酸溶液により形成される気相中に，リン脱酸銅管と無酸素銅管を暴露したところ，リン脱酸銅管，無酸素銅管のいずれにも蟻の巣状腐食が発生した．腐食進展速度はリン脱酸銅管のほうが無酸素銅管よりも速かった．一方，全腐食量は無酸素銅管のほうがリン脱酸銅管よりも大きくなった．100，1000ppmのギ酸および酢酸溶液にリン脱酸銅管と無酸素銅管を浸漬する試験においては，酢酸溶液中の無酸素銅管を除き蟻の巣状腐食が発生した．リンを含まない無酸素銅管においても蟻の巣状腐食が発生することから，銅中のリンは蟻…
Представлен обзор современных монокристаллических сплавов на никелевой основе, включая их химический состав, структуру и свойства. Показано влияние легирующих элементов на стабильность структуры, формирование нежелательных фаз и механизм упрочнения, а также редкоземельных элементов – на структуру и высокотемпературные…
Thermally molded commodity plastics become self-healable by the incorporation of heat-resistant and anti-aging healants.
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 T. Samuel, K. Sujatha, K. Ramachandra Rao, M. C. Rao; Structural and photoluminescence properties…
Polycrystalline samples of pure and Cr-doped cobalt ferrite (CoFe2O4 and CoCrFeO4) were prepared by solid state reaction route method. X-ray diffraction pattern infers that both the samples are in single phase with Fd3m space group. Slight reduction in the lattice parameter of CoCrFeO4 has been observed as compared to…
The onset of nonlinear responses in near hard sphere suspensions is characterized as a function of oscillatory frequency and strain amplitude. At low frequencies where the viscous behavior dominates, the onset of nonlinearities is driven by increases in rate of strain. At high deformation frequency, where suspension m…
We newly developed the prototype calcium complex grease (Cx-S) which delivered a better temperature performance than traditional calcium complex greases and could keep its structure even over 200C. This was achieved by combining the common calcium complex thickener technology with a new concept. In this report, the be…
Core–shell polymer functionalized magnetic nanoparticles are promising material for rapid immunomagnetic separation and detection of analyte.
The article focuses on discussion of problem of graphite radioactive waste formation and accumulation. It is shown that irradiated nuclear graphite being inalienable part of uranium-graphite reactor may contain fission and activation products. Much attention is given to the process of formation of radioactive cesium o…
Monodisperse icosahedral gold nanoparticles with tunable plasmonic property and high performance electrochemical sensing was synthesized by a heterogemini surfactant.
the synthesis of zirconia-yttria nanoparticles in phase t', non-transformable tetragonal phase of the zirconia, is important for the reinforcement of different ceramic matrixes with nanometric and submicronic structures, in order to enhance the mechanical resistance of the composite obtaining a better and homogeneus s…
Polyelectrolytes can show strong adsorption at water-water interfaces formed by phase separation of two polymers in aqueous solution. We demonstrate this for a model system consisting of neutral polymer A and weakly positively charged polymer B. When polyelectrolyte is added with similar chemical composition as polyme…
This paper is devoted to so-called semianalytical structural analysis, based on combined application of finite element method (FEM) [1] and discrete-continual finite element method (DCFEM) [2], [3], [4], [5], [6], [7]. Boundary problems of two-dimensional theory of elasticity (static analysis of deep beam [1]) are und…
A-9-YMOC tends to form nanofibers whereas it self-assembles in polar solvents and nanoflowers in nonpolar solvents with different molecular arrangements.
In 21st century, PAT has become one of the new trends in the reform of the United States cGMP. In order to learn from foreign pharmaceutical quality control and production management experience, in this paper, the concept of PAT was introduced, the background of drug production PAT and its significance, the developmen…