共搜索到63344条信息,每页显示10条信息,共6335页。用时:0小时0分0秒318毫秒
hydrazine hydrate reduction sodium tellurite WANG Yilin, MA Haode, LIU Shengyan, LI Huaimei (School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China) Abstract......
......
Application of fiber Bragg grating sensor network in aluminum reduction tank shell temperature monitoringJIANG Ming-shun(姜明顺)1,2, SUI Qing-mei(隋青美)1, MIAO Fei(苗飞), Jia Lei(贾磊)1, PENG Peng(彭蓬)2(1... temperature sensor network was designed to implement the real-time health monitoring of the aluminum reduction cell. The heat transfer process was simulated using software ANSYS, and an on-line shell......
; 文献标志码:A Leaching zinc from high iron-bearing zinc calcine after selective reduction roasting HAN Jun-wei1, LIU Wei1, QIN Wen-qing1, CHAI Li-yuan2, ZHENG... 410083, China) Abstract: Based on the decomposition of zinc ferrite to ZnO and Fe3O4 by reduction roasting, the recovery of zinc from the roasted zinc calcine was studied by two-stage leaching......
Reduction Kinetics of Nickel Sulphide刘中华,刘纯鹏摘 要:<正> Reduction kinetics of Ni3S2 was experimen-tally studied by following the time required forcompletion of the hydrogen reduction reaction inthe presence of calcium oxide.A simple empiricalintegration equation,derived for describing the ef-fect of CaO/S molar ratio,temperature,hydrogenconcentration......
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... nickeliferous laterite ore using a reduction roasting-ammonia leaching method. The reduction roasting-ammonia leaching experimental tests were chiefly introduced, by which fine coal was used......
Maintenance decision-making method for manufacturing system based on cost and arithmetic reduction of intensity modelLIU Fan-mao(刘繁茂)1, ZHU Hai-ping(朱海平)2, LIU Bo-xing(刘伯兴)2(1. Hunan Provincial Key... choice of maintenance actions to be performed on a selected group of machines for manufacturing systems. The arithmetic reduction of intensity model was introduced to describe the influence on machine......
Slope analysis based on local strength reduction method and variable-modulus elasto-plastic modelYANG Guang-hua(杨光华)1, 2, 3, 4 , ZHONG Zhi-hui(钟志辉)1, FU Xu-dong(傅旭东)1, ZHANG Yu-cheng(张玉成)2, 3, WEN..., Guangzhou 510640, China)Abstract:Employing an ideal elasto-plastic model, the typically used strength reduction method reduced the strength of all soil elements of a slope. Therefore, this method was called......
J. Cent. South Univ. Technol. (2008) 15: 198-203 DOI: 10.1007/s11771-008-0038-3 Simulation of thermal and sodium expansion stress in aluminum reduction cells LI Jie(李 劼), WU Yu-yun(伍玉云), LAI... in the cathode carbon block than thermal expansion. Key words: aluminum reduction cell; stress; sodium penetration; sodium expansion; simulation  ......
; Abstract: Selective reduction of laterite ores followed by acid leaching is a promising method to recover nickel and cobalt metal, leaving leaching residue as a suitable iron resource. The phase transformation in reduction process with microwave heating was investigated by XRD......