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Thermodynamic equilibrium calculation on preparation of copper oxalate precursor powder FAN You-qi(樊友奇), ZHANG Chuan-fu(张传福), ZHAN Jing(湛 菁), WU Jian-hui(邬建辉) School of Metallurgical Science... were drawn. The results show that when pH is below 5.0, copper ion reacts with directly and the morphology of copper precursor powder is of pie-shape; when pH is above 5.0, copper ion......
J. Cent. South Univ. Technol. (2009) 16: 0708-0712 DOI: 10.1007/s11771-009-0117-0 Characterization of ultrafine copper powder prepared by novel electrodeposition method HE Wei(贺 玮)1, 2, DUAN...; Abstract: The auto-evolved ultrafine copper powders were synthesized via a novel electrodeposition route performed by ultrasonic......
J. Cent. South Univ. (2018) 25: 2143-2149 DOI: https://doi.org/10.1007/s11771-018-3903-8 Influence of porogen type and copper powder morphology on property of sintering copper porous materials LIU..., part of Springer Nature 2018 Abstract: Copper porous materials have been manufactured by the method of powder metallurgy. Electrolytic copper powders and atomized copper powders are used as matrix......
Bioleaching of low-grade copper sulphides YIN Sheng-hua(尹升华)1, WU Ai-xiang(吴爱祥)1, QIU Guan-zhou(邱冠周)2 1. School of Civil and Environment Engineering, University of Science and Technology Beijing...-grade copper sulphides under the condition of preferential solution flow was investigated through experiments. The experiment of bioleaching was conducted within the multifunction autocontrol bioleaching......
Recovery of gallium from zinc concentrate by pressure oxygen leachingXue-Lan Wu1,2,Wen-Qing Qin1,2,Shun-Ke Wu1,Xi-Hong Ma1,2,Yin-Jian Niu1,3,Cong-Ren Yang1,21. School of Minerals Processing..." name="ChDivSummary">Zinc concentrate with high gallium content is one of the main resources of gallium.The gallium presents in the form of isomorphism in tetrahedron coordination with sulfur......
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Novel technology of purification of copper electrolyte XIAO Fa-xin(肖发新)1, ZHENG Ya-jie(郑雅杰)1, WANG Yong(王 勇)1, 2, XU Wei(许 卫)1, 2, LI Chun-hua(李春华)1, 2, JIAN Hong-sheng(简洪生)1, 2 1. School...: The effects of arsenic with different valence states on the purification of copper electrolyte were studied and a novel technology of purification of copper electrolyte by copper arsenite was proposed......
J. Cent. South Univ. (2017) 24: 335-340 DOI: 10.1007/s11171-017-3435-2 Dissolution kinetics of copper from multi-metal copper alloy roasted in oxygen LU Wei-hong(卢伟红), YIN Zhou-lan(尹周澜), DING Zhi... Abstract: A kinetic study on the sulfuric acid leaching of multi-metal oxide, which is the product of multi-metal copper alloy with iron trioxide roasted in oxygen, was carried out. The effects of leaching......
Thermo-physical Properties of Continuous Carbon Fiber Reinforced Copper Matrix Composites 黄俊波1,陈先有1,曹金华1 (1.Army Aviation Representative Office,109 mail box,Jingdezhen 333002,Jiangxi,China) 摘要:Continuous carbon fiber reinforced copper matrix composites with 70%(volume fraction)of carbon fibers prepared by squeeze casting technique have been used for investigation of the coefficient of thermal......
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