共搜索到3261条信息,每页显示10条信息,共327页。用时:0小时0分0秒265毫秒
Mechanical Activation of Alkaline Leaching ofScheelite Concentrate李运姣,李洪桂,刘茂盛,孙培梅摘 要:1IntroductionChinaiswelknownasatungstencapitaloftheworldduetoitstungstenreserveofmorethanahalfofthetotalinalovertheworld.In...关键词:......
alkaline mud adhesion ZHANG Hong1, DU Cui-wei1, QI Hui-bin2, LI Xiao-gang1 (1. Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083, China; 2. Institute... that with nitrogen supply under the mud adhesion up to 200 h. The corrosion processes of the galvanized steel sheet under alkaline mud adhesion are controlled by oxygen depolarization reactions. Key words......
Production of TiO2 from CaTiO3 by alkaline roasting methodWANG Yuanboa, b, QI Taoa, CHU Jinglongb, and ZHAO Weib a Graduate School of Chinese Academy of Sciences, Beijing 100039, China b Key... by alkaline roasting method for the production of TiO2.The process included alkaline roasting, water leaching and acid leaching steps.In the alkaline roasting step, the factors such as roasting temperature......
Growth mechanism of CdS film prepared by chemical bath depositionXing-Yu Peng1,2,Hong-Wei Gu1,Teng Zhang1,Fa-Zhu Ding1,Fei Qu1,Hong-Yan Wang1,21. Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences2. University of Chinese Academy of Sciences摘 要:In this paper, sodium citrate was adopted......
were deposited on the Si substrate in a basic hypophosphite-type plating bath. The effects of pH value and the metal source composition,Ni and Cu,in the plating bath on the kinetics of the Ni-Cu-P... diffractometer. The results showed that the pH value of the plating bath had no ob-vious effect on the morphology and composition of electroless Ni-Cu-P deposits. However,the composition of the metal......
STUDY ON CO-ELECTRODEPOSITION OF Bi-Fe ALLOY FILMS IN ORGANIC BATH G.K.Liu1,Y.X.Tong1,G.R.Li1 (1.School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou 510275, China) Abstract:The cyclic voltametry and potentiostatic electrolysis was used to investigate the preparation of Bi-Fe alloy films in LiClO4-DMSO (dimethylsulfoxide) system. The effects of several factors......
Preparation of Dy-Bi alloy films by electrodeposition in organic bathLIGaoren, TONG Yexiang, and LIU Guankun1) School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou 510275, China2) State Key Laboratory of Rare Earth Materials Chemistry and Applications, Beijing 100871, China摘......
Mechanism of CeMgAl11O19:Tb3+ alkaline fusion with sodium hydroxideHu Liu1,Shen-Gen Zhang1,De-An Pan1,Yi-Fan Liu1,Bo Liu1,Jian-Jun Tian1,Alex A.Volinsky21. Institute for Advanced Materials...="ChDivSummary">Comprehensive CeMgAl11O19:Tb3+(CTMA)disintegration via alkaline fusion was discussed. The rare earth(RE) elements in CTMA were dissolved by HCl completely after alkaline fusion. Relationships......
Effect of Attapulgite Added in Plating Bath on the Properties of Ni/TiC Nano-composite Coatings王红星1,2,MAO Xiangyang1,21. Key Laboratory of Advanced Structural Materials and Application Technolgoy... method. The effects of adding different concentration(ranging from 0.5 g/L to 3.0 g/L) of attapulgite nano particles to the plating bath on the surface morphology, wear resistance, and oxidation resistance......
Direct electroless Ni-P deposition on AM50 magnesium alloy from sulfate bath LI Guang-yu(李光玉), NIU Li-yuan(牛丽媛), JIANG Zhong-hao(江中浩), GU Chang-dong(谷长栋), LIAN Jian-she(连建设) Key Laboratory... electroless Ni-P deposition on AM50 magnesium alloy in a sulfate plating bath was proposed by using direct plating process with non-chromate pretreatment. The electroless Ni-P plating on AM50 magnesium......