共搜索到13237条信息，每页显示10条信息，共1324页。用时：0小时0分0秒553毫秒
;文献标志码:A 文章编号:1672-7207(2011)10-3195-06 Simulation of magnetic field in aluminum melting furnace with electromagnetic stirring ZHOU Nai-jun, YUAN Lin... element model for a 50 t aluminum melting furnace and the electromagnetic stirrer was built, and numerical simulation of magnetic field in the furnace with electromagnetic stirring was conducted......
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... ore, which has been pre-treated by high pressure grinding roller(HPGR) to be 74% passing 0.074 mm and contains 0.92% Ni, 18.47% Fe, 10.61% MgO and 42.27% SiO2, was conducted by using pelletizing, rotary......
......
Preparation technology and magnetic properties of Nd9.5Fe77B6Co5Zr2.5 nanocomposite magnets HUANG Zhao-hua(黄照华)1, 2, NI Jian-sen(倪健森)1, XU Hui(徐 晖)1,WANG Zhan-yong(王占勇)1, ZHOU Bang-xin(周邦新)1 1...; accepted 30 June 2006 Abstract: The preparation technology and magnetic properties of Nd9.5Fe77B6Co5Zr2.5 nanocomposite magnets were investigated by melt spinning and crystallization process......
J. Cent. South Univ. (2019) 26: 2528-2542 DOI: https://doi.org/10.1007/s11771-019-4192-6 Flow pattern and pressure drop of gas-liquid two-phase swirl flow in a horizontal pipe RAO Yong-chao(饶永超)1... map of the gas-liquid two-phase swirl flow in a horizontal pipe was studied. The influence of the flow velocity and vane parameters on pressure drop was investigated. Two types of gas-liquid two-phase......
标识码:A Effects of simultaneously imposing high magnetic field and alternative current on solidification structures of pure aluminum YU Jian-bo, REN Zhong-ming, DENG Kang, REN Wei-li, LI Xi, WANG Jun... a static magnetic field and an alternating current that generated a vibration in the melt was investigated. It is shown that the imposition refines the crystal grains greatly. The extent of grain......
; 文章编号:1672-7207(2015)04-1175-07 High-intensity magnetic separation-alkaline leaching process to desiliconize from silicon-rich pyrolusite FENG Yali1, LI Bin1, LI Haoran2 (1. School of Civil... of Science, Beijing 100190, China) Abstract: By means of high-intensity magnetic separation-alkaline leaching to desiliconize from silicon-rich pyrolusite of silicon-manganese mass ratio of 3.5:1......
氮化铁磁性流体静态密封的研究 刘雨1,于红2,张萍1,李学慧1,于淑华1 (1.大连大学,辽宁,大连,116622;2.大连理工大学,辽宁,大连,116012) 摘要:叙述了氮化铁磁性流体静态密封装置的设计原理,磁性流体静态密封承压能力分析和实验验证,成功地研制出"氮化铁磁性流体密封安全阀",并取得磁性流体密封安全阀各种功能参数的测试结果. 关键词:磁性流体; 静态密封; 耐压; magnetic fluid; static sealing; bearing pressure; [全文内容正在添加中] ......
......
E-pH diagram of ZnS-H2O system during high pressure leaching of zinc sulfide MU Wang-zhong(牟望重), ZHANG Ting-an(张廷安), LIU Yan(刘 燕), GU Yan(古 岩), DOU Zhi-he(豆志河), L? Guo-zhi(吕国志), BAO Li(鲍 丽... diagrams of ZnS-H2O system at oxygen partial pressure of 0.8 MPa, ionic activity of 1.0 and different temperatures were drawn through thermodynamical calculation. With the temperature increasing......
