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in rare earths extraction and separation, the novel saponification agent of organic phase, which is magnesium bicarbonate solution, was prepared with the natural rich and cheap dolomite as raw material... technology, respectively. When the novel saponification agent was used in the extraction and separation, magnesium utilization rate was more than 95%, and rare earths extraction rate above 99.5% has achieved......
Application of Rare Earth Oxides in Diesel Exhaust Purification Catalysts Yu Pengfei1,Dai Hua2,WANG Shilong1,Zhang Zhaoliang1,Li Chunfeng1 (1.College of Chemistry and Chemical Engineering, Jinan... oxidation catalyst; soot combustion catalyst; perovskite; rare earths; [全文内容正在添加中] ......
and high vapor pressure of magnesium. Key words:metal materials; ignition-inhibition; cerium; oxide film; magnesium alloy; rare earths; [全文内容正在添加中] ..., Harbin 150001, China;2.School of Materials Science and Engineering, Jilin University, Changchun 130025, China) Abstract:The effect of cerium on ignition temperature of AZ91D magnesium alloy was studied......
Synergistic extraction of heavy rare earths by mixture of α-aminophosphonic acid HEHAMP and HEHEHPQi Zhao1,2,Yanling Li2,Shengting Kuang2,Zhifeng Zhang2,Xue Bian1,Wuping Liao21. School of Metallurgy... Academy of Sciences摘 要:Synergistic extraction of heavy rare earths(REs) were investigated in chloride media by the mixture of(2-ethylhexylamino)methyl phosphonic......
Synergistic extraction of heavy rare earths by mixture of α-aminophosphonic acid HEHAMP and HEHEHPQi Zhao1,2,Yanling Li2,Shengting Kuang2,Zhifeng Zhang2,Xue Bian1,Wuping Liao21. School of Metallurgy... Academy of Sciences摘 要:Synergistic extraction of heavy rare earths(REs) were investigated in chloride media by the mixture of(2-ethylhexylamino)methyl phosphonic......
-cleavage fracture. Key words:magnesium alloy; Nd; As-cast microstructure; mechanical property; rare earths; [全文内容正在添加中] .... The compound Al2Nd and Mg12 Nd were formed in magnesium alloy, which were distributed in the matrix in the shapes of strip and particle, evidently refined the as-cast structure. The as-cast tensile strength......
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Electrochemical co-deposition of magnesium based alloy from molten salts SUN Ning-lei(孙宁磊), REN Jia-lin(任甲林), LIU Heng-yang(刘恒阳), ZHU Hong-min(朱鸿民) School of Metallurgical and Ecological...; 1 Introduction Magnesium base alloys are attractive for applications in wide field and considered "green alloy" for their series......
Materials,School of Materials Science and Engineering,Southeast University,Nanjing 211189,China) Abstract:Cu-30Ni-xRE(x=0-0.213 wt.%) alloy was prepared by adding rare earths (RE) in melted Cu-30Ni alloy... cell and corrosion potential gradient in Cu-30Ni alloy, were responsible for the improvement of corrosion resistance. Key words:Cu-30Ni alloy; rare earths; corrosion resistance; simulated seawater......
Synergistic extraction of rare earths by mixture of HDEHP and HEH/EHP in sulfuric acid medium张永奇,李建宁,黄小卫,王春梅,朱兆武,张国成摘 要:The extraction of RE(III) (RE=La, Nd, Sm, Gd) in sulfuric acid medium using the mixture of HDEHP(H2B2) and HEH/EHP(H2L2) was investigated. The synergistic enhancement coefficient(R) was calculated for La (1.96), Nd(3.52), Sm(5.96......