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J. Cent. South Univ. (2012) 19: 1663-1667 DOI: 10.1007/s11771-012-1190-3 An active pipe-embedded building envelope for utilizing low-grade energy sources XIE Jun-long(谢军龙)1, ZHU Qiu-yuan(朱求源)2, XU... before the external disturbance becomes cooling/heating load by using the circulating water, but also may use low-grade energy sources such as evaporative cooling, solar energy, and geothermal energy......
producing cycle, low cost and working flexibility[1-3]. Molybdenum is widely used as refractory material. SLS process can be used to produce the molybdenum parts too. In 2006, LIU et al[4... Selective laser sintering mechanism of polymer-coated molybdenum powder BAI Pei-kang(白培康), WANG Wen-feng(王文峰) School of Materials Science and Engineering, North University of China, Taiyuan......
J. Cent. South Univ. Technol. (2007)04-0584-05 DOI: 10.1007/s11771-007-0112-2 Experimental study on preferential solution flow during dump leaching of low-grade ores YIN Sheng-hua(尹升华)1, WU Ai... solution flow during dump leaching of low-grade ores was studied. The formative mechanism of preferential solution flow was investigated through analyzing the relationship between permeability and ore......
J. Cent. South Univ. (2012) 19: 77-84 DOI: 10.1007/s11771-012-0975-8 Leaching kinetics of low-grade copper ore with high-alkality gangues in ammonia-ammonium sulphate solution LIU Zhi-xiong(刘志雄)1, 2... Engineering, Jishou University, Jishou 416000, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The leaching kinetics of low-grade copper ore with high-alkality......
; 文献标志码:A Extraction of molybdenum from low grade molybdenum concentrates by calcium-based roasting and acid leaching process CHEN..., China; 2. Daye Non-Ferrous Metals Group Holdings Co., Ltd., Huangshi 435100, China) Abstract: The mechanism of chemical reactions was studied on the oxidation of low grade molybdenum concentrate......
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J. Cent. South Univ. Technol. (2010) 17: 765-769 DOI: 10.1007/s11771-010-0554-9 Extraction of valuable metals from low-grade nickeliferous laterite ore by reduction roasting-ammonia leaching method...; Abstract: Nickel and cobalt were extracted from low-grade......
Pilot scale test of producing nickel concentrate from low-grade saprolitic laterite by direct reduction-magnetic separationZHENG Guo-lin(郑国林)1, ZHU De-qing(朱德庆)1, PAN Jian(潘建)1, LI Qi-hou(李启厚) 2... and Engineering, Central South University, Changsha 410083, China;3. China Nonferrous Metal Mining(Group), Co., Ltd, Beijing 100029, China)Abstract:The enrichment of Ni from a low-grade saprolitic laterite......
Preparation of boric acid from low-grade ascharite and recovery of magnesium sulfate LI Jie(李 杰)1, FAN Zhan-guo(樊占国)1, LIU Yan-li(刘艳丽)1, LIU Su-lan(刘素兰)1, JIANG Tao(姜 涛)1, XI Zheng...; accepted 19 January 2010 Abstract: Boric acid and kieserite were prepared from low-grade ascharite by sulfuric acid method. This method results in the recovery of 71.06% and 45.03% for boric acid......
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