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Performance improvement of ZnO film by room-temperature oxygen plasma pretreatment ZHAO Ping(赵 平)1, XIA Yi-ben(夏义本)1, WANG Lin-jun(王林军)1, LIU Jian-min(刘健敏)1, XU Run(徐 闰)1... (XRD) patterns show that the c-axis orientation of ZnO film increases evidently after oxygen plasma pretreatment. The AFM and SEM measurements also show that the high c-axis orientation of ZnO film......
Pretreatment of copper-bearing refractory gold ores by bio-heap leachingYanling Sheng,Qiang Zhang, Huajun Wang, and Yanru Sheng Civil and Environmental Engineering School, University of Science... the negative effects of copper and pyrite on cyanidation and increase the gold recovery rate, the investigation on bio-heap leaching pretreatment was made, by which Cu would be dissolved and gold would......
Activation pretreatment of limonitic laterite ores by alkali-roasting using NaOHQiang Guo1,2,3), Jing-kui Qu1,2), Tao Qi1,2), Guang-ye Wei1,2,4), and Bing-bing Han1,2) 1) National Engineering..., China摘 要:Activation pretreatment of Cr-containing limonitic laterite ores by NaOH roasting to remove Cr, Al, and Si, as well as its effect on Ni and Co......
Alkaline pretreatment for chlorine removal from high-chlorine rhodochrositeXing-ran Zhang,Zuo-hua Liu,Wen-sheng Li,Ya-ya Cheng,Jun Du,Chang-yuan TaoChongqing Key Laboratory of Chemical Process... mineral extraction. The mechanisms and the factors that influence an alkali pretreatment to removal chlorine from manganese ore were explored to eliminate hazards posed by chlorine during the electrolysis......
Research on Technology of Pressure Pretreatment with Oxygen for Refractory Gold Ores刘升明,孙体昌,陈景河,王淀佐摘 要:An combined technology of pressure pretreatment with oxygen on refractory gold ores is pointed out and discussed on this paper, according to the experiments included the test in 1 kg grade batch pressure pretreatment with oxygen of the concentrate from......
Effect of Substrate Pretreatment on Controllable Growthof TiO2 Nanorod ArraysMinjiang Gao1),Yuxiang Li2),Min Guo3),Mei Zhang3)and Xidong Wang1) 1) College of Engineering,Peking University,Beijing... effect of the pretreatment conditions on the growth of TNAs was systematically investigated by X-ray diffraction(XRD),field-emission scanning electron microscopy(FE-SEM) and high-resolution transmission......
J. Cent. South Univ. (2012) 19: 1673-1678 DOI: 10.1007/s11771-012-1192-1 Pretreatment of hypersaline mustard wastewater with integrated bioreactor HE Qiang(何强), ZHANG Ting-ting(张婷婷), CHAI Hong-xiang... and anaerobic-aerobic-flocculation as well as chemical phosphorus removal of hypersaline mustard wastewater are conducted. The optimal operation condition and parameters in pretreatment of mustard......
J. Cent. South Univ. (2016) 23: 3108-3114 DOI: 10.1007/s11771-016-3376-6 Effect of magnetic pulse pretreatment on grindability of a magnetite ore and its implication on magnetic separation YU Jian...: magnetite iron ore; magnetic pulse pretreatment; mineral liberation; magnetic separation 1 Introduction Deposits of magnetite ores are widely distributed in the world, such as the Kursk mine......
Preparation of ultrafine WC-Co cermets by combining pretreatment and consolidation with spark plasma sinteringZHAO Shixiana, SONG Xiaoyana, WANG Mingshenga, LIU Guoquanb, and ZHANG Jiuxinga a Key... method that contains pretreatment of the milled powder mixture and subsequent spark plasma sintering (SPS). Ball milling parameters and the pretreatment temperature have significant effects......
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