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. Features of heat transport are characterized with Newtonian heating and variable thermal conductivity. Mass transport is carried out with first order chemical reaction and variable mass diffusivity... reveals that conjugate and constructive chemical reaction parameters enhance the temperature and concentration distributions, respectively. Key words: Newtonian heating; chemical reaction; variable mass......
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precursor of nickel-cobalt alloy powders with an appropriate Ni to Co molar ratio was prepared under selectively synthetic conditions. The composition and morphology of the precursor were... words: fibrous precursor; Ni-Co alloy powder; shape-controlled synthesis; composition control; growth mechanism 1 Introduction Bimetallic nanomaterials are paid to more attention because of their unique......
study, a biodegradable Ca-P coating mainly consisting of β-TCP and CaPO3(OH) was fabricated on AZ31 magnesium alloy via chemical deposition. The microstructure and composition of the coating were... was coated on a biodegradable AZ31 alloy by chemical deposition to improve the corrosion resistance. The good bonding strength of the coating is obtained. The results show that the corrosion......
; 文献标志码:A Chemical conversion treatment and electroless plating Ni-P on as-cast Zr-Al alloy GUO Dong1, 2, XIAO Fu-ren1, LI Qiang1, LI Jian-hui1, 2, MA Jing2, MAO Lei2 (1. College...) Abstract: The electroless nickel-plating on as-cast Zr-Al alloy was studied. After degreasing, pickling, chemical conversion treatment, Ni-P coating on Zr-Al alloy was plated from the electroless......
of Chemical and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China Received 15 May 2012; accepted 8 October 2012 Abstract: Monodisperse zinc phosphate microspheres were... be ascribed to the carbon-related surface impurities or defects. Key words: zinc phosphate; oleic acid; chemical synthesis; optical properties; luminescence 1 Introduction In the past decades......
of chemical composition on the electrochemical properties of Sn2SbNi electrode was investigated in terms of cyclic performance and cyclic voltammetry (CV) features. 2 Experimental Aqueous solutions...?22.72, showing seemingly that tin-rich composite is obtained. The chemical composition of synthesized material is closed to the starting molar ratio of Sn to Sb to Ni, i.e. 2?1?1 before reaction......
of Materials Science and Engineering, Southwest University of Science and Technology,Mianyang 621010, China)Abstract:Diamond films were prepared by hot filament chemical vapor deposition (HFCVD) in a gas mixtures system of methane, argon and hydrogen. The composition and morphology in different deposition pressures and filament structures were investigated, as well as the friction and wear-resistant......
Chemical Extraction Preparation of Delithiated Cathode Materials of Li-ion Battery闫时建School of Materials Science and Engineering,Taiyuan University of Science and Technology摘 要:A method of conventional chemical reaction to prepare delithiated cathode materials of Li-ion battery was introduced. The cathode material of Li-ion battery was mixed......
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