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J. Cent. South Univ. (2012) 19: 340-346 DOI: 10.1007/s11771-012-1010-9 Extraction of nickel from molybdenum leaching residue of metalliferous black shale by segregation roasting and acid leaching CHU... roasting-sulfuric acid leaching-solvent extraction was investigated. The residue was characterized by microscopic investigations, using X-ray fluorescence spectrometry (XRF) and X-ray diffractometry (XRD......
J. Cent. South Univ. (2018) 25: 241-250 DOI: https://doi.org/10.1007/s11771-018-3733-8 Theoretical analysis of adaptive harmonic window and its application in frequency extraction of vibration... characteristics of window width changing and analytical center moving of the adaptive harmonic window are presented. Finally, the proposed adaptive harmonic window is applied to weak signal extraction......
Equilibrium and kinetic data of adsorption and separation for zirconium and hafnium onto MIBK extraction resin XU Zhi-gao (徐志高), WU Yan-ke (吴延科), ZHANG Jian-dong (张建东), ZHANG Li (张 力), WANG Li... and kinetics of methyl isobutyl ketone (MIBK) extraction resin for adsorption and separation of zirconium and hafnium were studied under the different conditions of acidity, initial total......
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 Engineering Research Center for Rare Earth Materials,General Research Institute for Nonferrous Metals,and Grirem Advanced Materials Co.,Ltd.,Beijing 100088,China) Abstract:The extraction of RE(Ⅲ) (RE=La, Nd......
J. Cent. South Univ. (2012) 19: 1921-1926 DOI: 10.1007/s11771-012-1226-8 Relevance-based content extraction of HTML documents WU Qi(吴麒), CHEN Xing-shu(陈兴蜀), ZHU Kai(朱锴), WANG Chun-hui(王春晖...: Content extraction of HTML pages is the basis of the web page clustering and information retrieval, so it is necessary to eliminate cluttered information and very important to extract content of pages......
Extraction of indium from indium-zinc concentrates LI Shi-qing(李仕庆)1, 2, TANG Mo-tang(唐谟堂)1, HE Jing(何 静)1, YANG Sheng-hai(杨声海)1, TANG Chao-bo(唐朝波)1, CHEN Yong-ming(陈永明)1 School of Metallurgical... ratio of indium is increased from less than 70% in the traditional process to more than 95%. This process has the advantages of largely simplifying the procedure of indium extraction, zero draining off......
J. Cent. South Univ. (2012) 19: 488-495 DOI: 10.1007/s11771-012-1030-5 Modified Fourier descriptor for shape feature extraction ZHANG Gang(张刚)1, MA Zong-min(马宗民)2, NIU Lian-qiang(牛连强)1, ZHANG Chun... features from modified Fourier descriptors are more discriminative than those from other Fourier descriptors. Key words: shape feature extraction; Fourier descriptors; centroid distance approach 1......
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Trans. Nonferrous Met. Soc. China 23(2013) 517-523 Kinetics of cobalt(II) extraction from sulfate aqueous solution by sodium salt of di-decylphosphinic acid (DDPA) Peng XING1, Cheng-yan WANG1, Sheng... University, Beijing 100084, China Received 10 April 2012; accepted 23 May 2012 Abstract: Kinetics of Co(II) extraction from sulfate aqueous solution by the sodium salt of di-decylphosphinic acid (Na-DDPA......
leaching and solvent extraction S M MASLOBOEVA, L G ARUTYUNYAN, M N PALATNIKOV, D V MANUKOVSKAYA Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre, Kola Science Centre... of high-purity tantalum compounds. Octanol-1 was used as an extractant. Optimal conditions for production of high-purity tantalum strip solutions were defined for all stages (extraction-scrubbing......
