Materials Literature
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Microstructure evaluation has been performed and related mechanical properties have been investigated and characterized in functionally graded materials (FGMs) using alumina and zirconia. Two kinds of FGM, one with a compositional variation from an alumina substrate to an outer layer of zirconia (AZ FGM) and an invers…
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Polymers composed partially or entirely of inorganic elements in the main chain possess unique structures, properties and applications. This report summarizes the developments in the synthesis and study of macromolecules which incorporate main group and transition elements in the polymer backbone.
Physicochemical phenomena taking place at the corium-steel interaction during the external cooling of reactor vessel can result in high-temperature steel corrosion and thinning of the vessel wall. The ISTC METCOR project's experimental studies have shown that the main factors influencing corrosion depth and kinetics a…
矮胖的石墨的形成机制被考察了并且学习。学习由一个单向性的团结方法，一个小微滴方法和炉子冷却法组成了。也就是，四种铁样品被准备纯 Fe-C， Fe-C-S， Fe-C-Ce 和 Fe-C-Si-Ce 合金，和三种镍取样，也就是 Ni-C， Ni-C-S 和 Ni-C-Mg 合金。Ni-C 合金的单向性的团结的结果证明那块球状的石墨没在连续团结的区域，仅仅像薄片的石墨在被观察被观察，当球状的石墨通常在熄灭的液体区域被观察时。在团结的阶段的球状的石墨的存在仅仅在 Ni-C-Mg 合金的不连续的生长模式被认出在球状的石墨直接从 melt 被使结晶并且由被连续生长模式形成的像薄片的矮胖的石墨骗诱的 150 个 mm/h.This 工具团结了…
A brief review of the different aspects of carbon will be presented to demonstrate how the physics associated with this material is full of surprises even though it is probably one of the oldest materials known to human civilization. An understanding of the properties of different forms of carbon starting from its com…
The iron loss and manufacturing cost of a strip-wound core can be reduced by constructing the wound core with a combination of average and high magnetization grade steel. The present paper introduces a two-dimensional finite element (2D FEM) package for the flux density distribution and iron loss computation of two gr…
Conway’s Game of Life rules can be applied to Cellular Automata (CAs) running on aperiodic grids, namely Penrose tilings. Here we investigate the result of running such CAs from random initial conditions. This requires development of a Penrose tiling algorithm suitable for CA experiments, in particular, a tiling that…
The ITS sequences of 30(S1-S30)and 20(A1-A20)Brachionus calyciflorus clones collected respectively in summer and autumn from Lake Liantang were analyzed;and using B.patulus as outgroup,the phylogenetic trees of Maximum-Parsimony(MP),Neighbor-Joining(NJ)and Minimum Evolution(ME)were constructured.All the three phylogen…
-doped phosphors have been synthesized by solid-state reaction at and characterized by powder X-ray diffraction and photoluminescence studies. These phosphors show emission lines of corresponding to transitions under 466 nm excitation. Among these emission transitions, the electric dipole transition at 614 nm is the p…
Using minimization arguments and a limit process, we construct a family of solutions which undergo an infinite number of transitions for an Allen-Cahn model equation.
Glasses in the composition range in mol% 35-50 ZnO – 10-15 Al2O3 – 40-55 SiO2 were prepared, undoped and doped with 1 x 1019 and 1 x 1020 Sm3+ per cm3 glass as luminescent species for the visible region, especially for blue and red emission. Phase separation occurs in glass samples with high SiO2 content. SiO2-rich dr…
Polyphosphazenes have unique compositions and structures, which impart these polymers with special chemical and physical properties and, therefore, make polyphosphazenes a promising class of future material for various applications.An enormous variety of polyphosphazenes has been synthesized in the last four decades a…
This work presents a hybrid technology and two hybrid installations (HI-1 and HI-2) for volatile organic compounds (VOCs) removal using successive or simultaneous microwave (MW) irradiation, electron beam (EB) irradiation, and catalytic oxidation. HI-1 is designed for successive EB and MW irradiation with two distinct…
There are a couple of reasons why the capacitance value marked on the device you have, may not read anywhere near that value in the circuit application in which it is intended. The two major contributors to this are the capacitance roll-off with increased frequency exhibited by electrolytic capacitors, and voltage sen…
@The titration of the diprotonated form of 3,7,13,17-tetramethyl-2,8,12,18-tetrabutylporphyrin with the series of halide ions has been done in the acetonitrile solution. It was shown that the stable complexes of 1:1 and 1:2 structures with halide ions have been formed. The influence of complexation with halide ions on…
Fouling mitigation and corrosion control are big challenges in harvesting geothermal energy. In the production well, during or after flashing brine, the resulting high Ph water, in combination with high temperatures, can cause calcium carbonate precipitation. Silica/Silicate precipitation becomes a problem when the br…
Basic characteristics of magunesium (Mg) reactions with water vapor have been investigated. The reaction can be used as a part of solar energy cycle that emits no green-house effects gases. The reactions produce heat and hydrogen that is mixed with oxygen and further generates water vapor and heat. The high temperatur…
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 Vinodini Shaktawat, Narendra S. Saxena, Kananbala Sharma, Thaneshwar P. Sharma; Structural and El…
We introduce in this paper the sensitivity of two UHF couplers, disc-type measuring electrode and loop-type measuring electrode embedded in an epoxy insulator, for detecting partial discharge (PD) and diagnosing GIS. Each of the couplers has sufficient performance for detecting the electromagnetic waves up to 8 GHz. T…