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hydrometallurgical processes. Advantageous extraction techniques of rare earths from Baotou mixed rare earth minerals, bastnaesite, and ion-adsorption clays of rare earth deposits have been developed.... With the large demands and rapid development of rare earths, the issues of resources and environment are more prominent. This review gives an overview of the main processes that were developed in the past......
Degradation of Extraction from Seaweed and Its Complex with Rare Earths for Organophosphorous Pesticides Wang Dongfeng1,Chen Zhende2,Sun Jipeng1,Xue Changhu1,Sun Liping1,Du Dehong1 (1.College...:seaweed; extraction; organophosphorous pesticides; degradation; rare earths; [全文内容正在添加中] ......
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Synergistic extraction of rare earths by mixture of HDEHP and HEH/EHP in sulfuric acid medium HUANG Xiaowei1,ZHU Zhaowu1,ZHANG Yongqi1,WANG Chunmei1,ZHANG Guocheng1,LI Jianning1 (1.National... exchange mechanism was pro-posed as well. Key words:HEH/EHP,HDEHP,synergistic,extraction,sulfuric acid; rare earths; [全文内容正在添加中] ......
Effect of rare earths surface treatment on tribological properties of carbon fibers reinforced PTFE composite under oil-lubricated condition SHANGGUAN Qianqian1,CHENG Xianhua1 (1.School... Engineering Research Center for Nanotechnology, Shanghai 200237, China) Abstract:The effect of rare earths (RE) surface treatment of carbon fibers (CF) on tribological properties of CF reinforced......
Effect of Exogenous Rare Earths on Microbial Characteristics in Paddy Soil 曹建华1,陈浮2,彭补拙2,周峰2,濮励杰2 (1.Institute of Agricultural Resources and Eco-Environment,Nanjing Agricultural University,Nanjing...,and under RE stress,the change of microbial community structures is a long-term effect. Key words:microbial biomass; respiratory rate; community structure; paddy soil; rare earths; [全文内容正在添加中] ......
Effect of Rare Earths on Mechanical Properties and Microstructure of TiCN/Al2O3 Ceramics Sun Xundong1,Li Xikun2,Xiu Zhimeng1 (1.School of Materials and Metallurgy, Northeastern University, Shenyang... of enforcement of toughness act upon together to increase fracture toughness of TiCN/Al2 O3 doped with Y. Key words:rare earths; TiCN/Al2O3; mechanical property; microstructure; cracks extension......
investigated in methanol. Key words:inorganic chemistry; tripodal ligand; rare earth nitrates; luminescent property; rare earths; [全文内容正在添加中] ...Synthesis, Characterization and Luminescent Properties of Complexes of Rare Earth Nitrates with Tris {2-[N-(pyridine-methanoyl)amino]ethyl} amine 唐瑜1,谭民裕1,台夕市1,刘伟生1 (1.College of Chemistry......
Study of Rare Earths in Pipeline Steel刘勇华,叶文,林勤,陈宁摘 要:StudyofRareEarthsinPipelineStelLiuYonghua(刘勇华),YeWen(叶文),LinQin(林勤)ChenNing(陈宁)(DepartmentofPhysicalChemistry,UniversityofSci...关键词:......
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] ......