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-based graphite fibers and Cu powder. The molybdenum coatings on the fibers were obtained via metal organic chemical vapor deposition technique. Microstructure and thermal properties of the composites... devices to the packaging materials. Key words: graphite fiber/Cu composites; molybdenum coating; microstructure; thermal conductivity; thermal expansion 基金项目:国家自然科学基金资助(51274040)；中央高校基本科研业务费专项基金......
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J. Cent. South Univ. (2016) 23: 1071-1084 DOI: 10.1007/s11771-016-0357-8 Re-Os isotopic data for molybdenum from Hejiangkou tungsten and tin polymetallic deposit in Chenzhou and its geologica... genesis; TU [2] proposed that mineralization could be superimposed and reconstructed; A polygenetic mineralization is model by CHEN [3]; XU and ZHU [4] reported a type of copper deposits......
. The variation in the cell voltage as a function of Cu2+ concentration is shown in Fig. 4. In the final stage of the process, black sludge was produced. The compositions of cathode copper are listed in Table 6... Cell voltage variation as a function of Cu2+ content Table 6 Compositions of cathode copper produced at second stage electrowinning (mass fraction,%) Table 7 Compositions of black sludge (mass......
of copper anode slime, the Ca-Al-Cl layered double hydroxides (Ca-Al-Cl-LDHs) with a formula of Ca2Al(OH)6Cl·2H2O by three co-precipitation methods were synthesized. A plate-like morphology... at 50 °C. Key words: copper anode slime; layered double hydroxide; selenium adsorption; kinetics; isotherm 1 Introduction In metallurgy industry, the natural resource of selenium and selenium compounds......
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Recycle for Sludge Scrap of Nd-Fe-B Sintered Magnet as Isotropic Bonded Magnet Masahiro Masuda1,Shunji Suzuki1,Masahiro Itoh1,Ken-ichi Machida1 (1.Collaborative Research Center for Advanced Science and Technology, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871) Abstract:The reduction diffusion method was performed for the sludge scrap of Nd-Fe-B sintered magnets with adding Ca metal......
Biosorption behaviors of Cu2+, Zn2+, Cd2+ and mixture by waste activated sludge LUO Sheng-lian(罗胜联)1, 2, YUAN Lin(袁 林)1, CHAI Li-yuan(柴立元)1, MIN Xiao-bo(闵小波)1, WANG Yun-yan(王云燕)1, FANG Yan(方 艳)1... 410082, China Received 27 April 2006; accepted 12 September 2006 Abstract: Biosorption of heavy metal ions, such as Cu2+, Cd2+ and Zn2+, was carried out using waste activated sludge from municipal......
Composition and morphology of complicated copper oxalate powder FAN You-qi(樊友奇), ZHANG Chuan-fu(张传福), WU Jian-hui(邬建辉), ZHAN Jing(湛 菁), YANG Ping(杨 平) School of Metallurgical Science...; Abstract: In Cu(Ⅱ)-C2O42--NH3-NH4+-H2O system, complicated copper oxalate powders were synthesized......
Separation of macro amounts of tungsten and molybdenum by precipitation with ferrous salt ZHAO Zhong-wei1, 2, CAO Cai-fang1, CHEN Xing-yu2 1. School of Metallurgical Science and Engineering, Central... solution containing some other impurities. All these indicate the ferrous salts have great potential for removing W from Mo on a commercial scale. Key words: tungsten; molybdenum; selective precipitation......
