共搜索到18241条信息，每页显示10条信息，共1825页。用时：0小时0分0秒546毫秒
Adsorption-extraction mechanism of heavy rare earth by Cyanex272-P507 impregnated resin LIAO Chun-fa(廖春发), JIAO Yun-fen(焦芸芬), LIANG Yong(梁 勇), JIANG Ping-guo(姜平国), NIE Hua-ping(聂华平) School... that the molar ratio of Cyanex272-P507 to rare earth in the extraction complex is 3. Chlorine ions do not participate in coordination. The extraction reaction can be expressed as =(where HA represents......
......
Study on Y-Base Rare Earth Alloy in Ultra-High Hardfacing 李午申1,王宝森1,冯灵芝1,张亚梅1 (1.School of Materials Science & Engineering, Tianjin University, Tianjin 300072, China) Abstract:The effect of Y-base rare earth alloy in ultra-high hardfacing was observed by means of OM, SEM and XRD. Precipitated carbide can be metamorphosed and spheroidized in surfacing by adding Y-base rare earth alloy, which......
Separation and Enrichment of Rare Earth Elements in Phosphorite in Xinhua, Zhijin, Guizhou Zhang Jie1,Shun Chuanmin2,Yang Guofeng1,Xie Fei1 (1.Mineral Industry College, Guizhou University, Guiyang 550003, China;2.Geoscience College, Chengdu University, Chengdu 610000, China) Abstract:The phosphorite ores-deposits rich in rare earth elements(REE) in Zhijin, Xinhua, Guizhuo occurs in the early......
of the magnetic properties. Microstructural characterization using scanning electron microscopy(SEM) was also used to further analyze the effect of different rare earth elements doping on Curie temperature...Relating atomic local structures and Curie temperature of NdFeB permanent magnets:an X-ray absorption spectroscopic studyMu-Nan Yang1,Hang Wang1,Yong-Feng Hu2,Liu-Yi-Mei Yang2,Aimee Maclennan2,Bin......
Creep behavior of SnAgCu solders with rare earth Ce doping ZHANG Liang(张 亮)1, XUE Song-bai(薛松柏)1, GAO Li-li(皋利利)1, ZENG Guang(曾 广)1, CHEN Yan(陈 燕)2, YU Sheng-lin(禹胜林)1,3, SHENG Zhong(盛 重)1 1...; Abstract: Extensive testing was carried out to study the effects of rare earth Ce doping......
Accumulation of Rare Earth Elements in Various Microorganisms Takehiko Tsuruta1 (1.Department of Chemical Engineering on Biological Environment, Hachinohe Institute of Technology, 88-1, Azaohbiraki, Onazamyoh, Hachinohe, Aomori, 031-8501, Japan) Abstract:The removal of rare earth elements (REEs) from solution in various microorganisms was examined. Seventy-six strains from 69 species (22......
Phase Behavior and Crystal Structure of Perovskite-Type Rare Earth Complex Oxides Ryoko Katsuraya1,Hiromi Nakano2,Yusuke Tomita1,Tsubasa Nara1,Migaku Kobayashi1,Naoki Kamegashira3 (1.Department... of Technology, Tempaku-cho, Toyohashi 441-8580, Japan) Abstract:Several compounds of rare earth complex oxides containing manganese and titanium were synthesized in Ar, and their crystal structures were......
Synthesis, Catalysis of Rare Earth Complexes with Aliphatic Noncyclic Polyether-Amino Acid Schiff Base Shen Lianfang1,Yao Kemin2,Li Ning2 (1.State Key Laboratory of Magnetic Resonance and Atomic...:Eleven new rare earth complexes with aliphatic Schiff base, condensed from diglycol aldehyde and bis-arginine, were synthesized and characterized. They are confirmed as Ln(H2DAAR)(NO3)3·7H2O (Ln=La, Pr......
......
