共搜索到18604条信息,每页显示10条信息,共1861页。用时:0小时0分0秒262毫秒
......
Effect of Rare Earth Elements on Anisotropy and Microstructure of Al-Li Alloy 2195 Sheets Liu Yufeng1,Geng Jiping1,Xu Yue1 (1.School of Materials Science and Engineering, Beijing University... employed a complex heat treatment process, involving the pre-tension, thermo-infiltration of the rare earth element Ce, solution treatment, and artificial aging technology. The results indicate......
......
......
Leaching process of rare earths from weathered crust elution-deposited rare earth ore TIAN Jun(田 君)1, 2, CHI Ru-an(池汝安)3, YIN Jing-qun(尹敬群)2 1. School of Resources Processing and Bioengineering...) from the weathered crust elution-deposited rare earth ore were investigated frow the viewpoints of kinetics, hydrodynamic and mass transfer. The results show that the leaching hydrodynamics follows......
......
Barrier Effect of Placenta Membrane of Pregnant Rat on Mixed Rare Earth Changle 李树蕾1,陈辉1,周莉1,聂毓秀1,黄可欣1 (1.Department of Histology and Embryology, School of Basic Medical Sciences of Jilin.... In order to arrive at the aim placenta tissue was observed after contamination with optical and electron microscope to show distribution and destiny of mixed rare earth Changle in placenta tissue......
Growth and corrosion behavior of rare earth film on hot-dip galvanized steel LU Jin-tang(卢锦堂), WU Hai-jiang(吴海江), KONG Gang(孔 纲), CHE Chun-shan(车淳山), XU Qiao-yu(许乔瑜) College of Materials... s-24 h by the rare earth aqueous solution containing 20 g/L Ce(NO3)3?6H2O, and the growth behavior and corrosion resistance of the rare earth film were investigated by SEM, EDS, AES and NSS......
of the rare earth elements were enriched in the Sc concentrate, and some could be comprehensively recovered during Sc extraction. It was therefore concluded that most of the rare earth elements...A study on the rare earth ore containing scandium by high gradient magnetic separation高利坤,陈云Faculty of Land Resources Engineering, Kunming University of Science and Technology摘 要:
of the rare earth elements were enriched in the Sc concentrate, and some could be comprehensively recovered during Sc extraction. It was therefore concluded that most of the rare earth elements...A study on the rare earth ore containing scandium by high gradient magnetic separation高利坤,陈云Faculty of Land Resources Engineering, Kunming University of Science and Technology摘 要: