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LiF-YF_3熔盐萃取提纯金属钇的研究 刘永林1,云月厚1 (1.内蒙古大学,物理科学与技术学院,内蒙古,呼和浩特,010021) 摘要:采用氟化锂-氟化钇二元萃取剂熔盐萃取金属钇,既有效降低金属钇中的氧和钙含量,又减少了氟根含量,制备的金属钇纯度达99.35%(质量分数),有效地提高了金属钇的纯度,为工业化生产提纯金属钇开辟了新途径. 关键词:提纯; 金属钇; 氟化锂-氟化钇; 熔盐萃取; purifying; yttrium metal; LiF-YF_3; fused salt extraction; [全文内容正在添加中] ......
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; Experimental measurement and numerical analysis of fused taper shape for optical fiber coupler SHUAI Ci-jun(帅词俊), DUAN Ji-an(段吉安), ZHONG Jue(钟 掘) (School of Mechanical and Electrical Engineering, Central South university, Changsha 410083, China) Abstract: To find out the effect of the shape of fused taper region on the optical fiber coupler, the fiber......
A novel fused iron catalyst for ammonia synthesis promoted with rare earth gangue WANG Rong1,LIN Jianxin1,WEI Kemei1,YU Xiujin1,LIN Bingyu1 (1.National Engineering Research Center of Chemical..., was used as the promoter of fused iron catalysts for ammonia synthesis. The result showed that the activity of the catalyst promoted with rare earth gangue was comparable with those of commercial......
(9): 10559-10564. DOI: 10.1016/j.ceramint.2016.03.079. [17] CHEN Ren-zheng, CUI Ai-li, WANG Xiao-hui, LI Long-tu. Barium titanate coated with magnesium titanate via fused salt method and its dielectric...), stereolithography (SLA), and fused deposition modeling (FDM). At present, the additive manufacturing of ceramic materials is mainly achieved through indirect 3D printing technology, and these materials include......
of low-concentration sulfur dioxide. Key words: stibnite; low-temperature; fused salt; sulfur fixing; clean metallurgy 基金项目:国家自然科学基金资助项目(50804056,51174237)；湖南有色集团－中南大学有色金属研究基金资助 收稿日期:2011-09-16；修订日期......
Mechanical characteristics of fused cast basalt tube encased in steel pipe for protecting steel surface Jee-Seok WANG1, Jong-Do KIM2, Hee-Jong YOON3 1. Division of Mechanical... was presented. The application temperature of steel-basalt pipe was examined due to a different coefficient among basalt, mortar and mild steel. Key words: basalt; fused cast basalt; steel-basalt pipe......
Process of aluminum dross recycling and life cycle assessment for Al-Si alloys and brown fused alumina HONG Jian-ping(洪建平)1, WANG Jun(王 俊)1, CHEN Hai-yan(陈海䶮)2, SUN Bao-de(孙宝德)1, LI Jia-jing(李家镜... by environmentally efficient and friendly methods. Two methods of Al dross recycling which could utilize Al dross efficiently were presented. High-quality aluminum-silicon alloys and brown fused alumina (BFA) were......
by electrolysis in a fused salt: US, US 2004/0159559A1 [P]. 2004-02-12. [9] MA M, WANG D H, WANG W G, HU X H, JIN X B, CHEN G Z. Extraction of titanium from different titania precursors by the FFC... Reaction mechanism of preparation of titanium by electro-deoxidation in molten salt WANG Bin, LIU Kui-ren, CHEN Jian-she School of Materials and Metallurgy, Northeastern University......
