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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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J. Cent. South Univ. (2019) 26: 2998-3007 DOI: https://doi.org/10.1007/s11771-019-4231-3 Adsorption kinetics and thermodynamics of sodium butyl xanthate onto bornite in flotation SUN Qian-yu(孙乾予)1... was studied by adsorption kinetic and thermodynamic. The flotation results demonstrated that the recovery was the highest when pH was 9 in NaBX solution (4×10-5 mol/L). The adsorption kinetics showed......
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recovery enhances from 17.4 % in non-activated sample to 73.26 %. Key words: mechanical activation; thiosulfate leaching; refractory ore; extraction of gold 1 Introduction Dissolution of gold from raw... researchers studied the effect of mechanical activation on the extraction of metals in refractory minerals [27-28], which indicated that mechanical activation can efficiently accelerate the process......
Synthesis and grain growth kinetics of in-situ FeAl matrix nanocomposites (Ⅱ): Structural evolution and grain growth kinetics of mechanically alloyed Fe-Al-Ti-B composite powder during heat...; Abstract: Morphological changes, structural evolutions and grain growth kinetics of mechanically alloyed(MAed) Fe50Al50, Fe42.5Al42.5Ti5B10......
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J. Cent. South Univ. (2016) 23: 293-302 DOI: 10.1007/s11771-016-3073-5 Conversion and reaction kinetics of coke oven gas over a commercial Fe-Mo/Al2O3 catalyst QU Yi-xin(屈一新)1, XU He-ming(徐贺明)1, 2... of the important applications of COG. Removal of sulfur from COG is a key step of this process. conversion and reaction kinetics over a commercial Fe-Mo/Al2O3 catalyst (T-202) were studied in a continuous......
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