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Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI... of the raw material. Key words: stone-coal; extracting vanadium; oxygen pressure; acid leaching; acid recovery; solvent extraction......
Extracting B2O3 from calcined boron mud using molten sodium hydroxideZhi-Qiang Ning,Yu-Chun Zhai,Qiu-Shi SongSchool of Materials and Metallurgy,Northeastern University摘 要:Extracting B2O3 from calcined boron mud(CBM) was studied. The effect of factors such as reaction temperature and NaO H-to-CBM mass ratio on B2O3 extraction efficiency was investigated......
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A new process of extracting vanadium from stone coalYan-hua Liu~(1,2)),Chao Yang~(1)),Pei-you Li~(2)),and Shi-qi Li~(1)) 1) Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing 100083,China 2) Beijing Nengtai Environmental Protection Group Corp,Beijing 100022,China摘 要:<正>A new process of extracting......
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Research on Synthetic Utilization of Extracting Scandium from Yangtze Silt张桂芳,王成,张宗华,陈晓鸣摘 要:The process mineralogy of the silt was studied in the bottom of the reservoir of Chongqin segment of Yangtze basin, which is a complex mineral colony with high Si, high Ca-Mg, high Al type gangue and little Fe and Ti. Rue-of-mine ore contains Sc 6.6 g·t-1......
New templates of CNN for extracting corners of objects in gray-scale imagesLequan Min, Ming Lei, and Xisong DongApplied Science School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> A new cellular neural network (CNN) with nonlinear templates is presented for extracting convex corners of objects in gray-scale images......
钒钛磁铁精矿先提钒工艺研究现状及产业化前景分析 付自碧1 (1.攀枝花钢铁研究院,四川,攀枝花,617000) 摘要:对钒钛磁铁精矿先提钒工艺的研究结果进行了分析,指出了工艺存在的不足之处,提出了问题的解决方法,并进行了试验验证.通过对改进后的先提钒工艺流程与高炉工艺流程技术经济指标的比较,认为钒钛磁铁精矿先提钒工艺流程具有较好的产业化前景. 关键词:钒钛磁铁精矿; 先提钒; 产业化; Vanadium-bearing titanomagnetite concentrate; Preferential extracting vanadium; Industrialization; [全文内容正在添加中] ......
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