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Effects of Rare Earths on Toughness of 31Mn2SiRE Wear-Resistance Cast Steel Li Jiwen1,Wang Wenyan1,Xie Jingpei1,Li Luoli1,Wang Aiqin1 (1.School of Material Science and Engineering, Henan University...%, yield strength (σs) by 10%, and elongation (δ5) by 42%. Key words:31Mn2SiRE cast steel; wear-resistance steel; mechanical properties; rare earths; [全文内容正在添加中] ......
Leaching of rare earths from fine-grained zirconosilicate oreH.Lim1,D.Ibana2,J.Eksteen11. Western Australia School of Mines,Curtin University2. Mining and Metallurgy,Western Australia School of Mines摘 要:Leaching of rare earths Y,La and Ce by sulphuric acid from fine-grained zirconosilicate ore was investigated using Taguchi method of experimental......
Leaching of rare earths from fine-grained zirconosilicate oreH.Lim1,D.Ibana2,J.Eksteen11. Western Australia School of Mines,Curtin University2. Mining and Metallurgy,Western Australia School of Mines摘 要:Leaching of rare earths Y,La and Ce by sulphuric acid from fine-grained zirconosilicate ore was investigated using Taguchi method of experimental......
Studies on Expert System for Extraction of Rare Earths许禄,肖永辉,李德谦摘 要:<正> An expert system has been developed,using LISP,for extraction of rare... of the individual rare earths;(2)the recom-mendation of process for the separation of mixed rare earths with extraetant P507;(3)the evaluation of econo-my for planning to build a rare earth factory......
The Behavior of Rare Earths in Steel余景生,余宗森,吴承建摘 要:<正> This review paper outlines recent progressin the application of rare earth metals (RE)in steel to improve the mechanical propertiesof steel. It includes: the physical chemistryof RE in steel; comparison of the applicationof RE and Ca in steel; the ways of adding REinto steel and nozzle......
Effect of Rare Earths on Composition and Activities of Rare Earth Elements Binding Glycoprotein in Tea 汪东风1,魏正贵3,王常红4,赵贵文3,尹明5,李俊6 (1.Department of Chemistry, University of Science and Technology... of Geological Science,;6.Institute of Clinical Pharmacology, Anhui Medical University,) Abstract:The effects of spraying rare earths(RE) on composition and activities of tea polysaccharide were measured......
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Behaviors of Rare Earths during Fluid-Rock Interaction and Its Significance of Geochemistry 刘丛强1,凌其聪1 (1.Laboratory of Study the Earth′s Interior and Geofluids, Institute of Geochemistry, Chinese Academy of Sciences,) Abstract:Rare earths in ores, altered and unaltered sericite phyllite, altered and unaltered dacite porphyry were determined in order to examine behaviors of rare earths......
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Preparation of mixed rare earths modified chitosan for fluoride adsorption梁鹏,张艺,汪东风,徐莹,罗斓College of Food Science and Engineering, Ocean University of China摘 要:This paper described the fluoride removal from water using a new adsorbent namely mixed rare earths modified chitosan (CR). Mixed rare earths mainly contained La followed by Ce which was analyzed......