共搜索到3475条信息,每页显示10条信息,共348页。用时:0小时0分0秒281毫秒
a novel one-step method to synthesize copper nitrate hydroxide nanorings Wang Xin-bo(王新波), Huang Long-nan(黄龙男) School of Materials Science and Engineering, Harbin Institute...-state reaction in the presence of nonionic surfactant OP-10 at room temperature was adopted to prepare copper nitrate hydroxide (Cu2(OH)3NO3) nanorings with an average internal diameter of 250 nm......
Optimization of reagent dosages for copper flotation using statistical technique Y. VAZIFEH1, E. JORJANI1, A. BAGHERIAN2 1. Department of Mining Engineering, Science and Research Branch, Islamic Azad University, Poonak, Hesarak, Tehran, Iran; 2. Metallurgy Division, Sungun Copper Concentrator Plant, Varzaghan, Tabriz, Iran Received 25 January 2010; accepted 6 May 2010 Abstract......
......
Comparison of desulfurization kinetics of copper oxide sorbentYU Qing-chun(郁青春)1, 2, DENG Yong(邓勇)1, 2, WANG Fei(王飞)1, 2, FENG Yue-bin(冯跃斌)3, YANG Bin(杨斌)1, 2, XU Bao-qiang(徐宝强)1, 2, LIU Da-chun(刘大春... parameters are obtained and discussed.Key words:copper oxide; desulfurization; kinetics; γ-Al2O3......
......
J. Cent. South Univ. Technol. (2009) 16: 0936-0941 DOI: 10.1007/s11771-009-0156-6 Technological conditions and kinetics of leaching copper from complex copper oxide ore SUN Xi-liang(孙锡良)1, 2...; Abstract: The kinetic behavior of leaching copper from low grade copper oxide ore was investigated. The effects of leaching temperature, H2SO4......
Optimization of separation processing of copper and iron of dump bioleaching solution by Lix 984N in Dexing Copper Mine LIU Qing-ming(刘清明)1, 2, YU Run-lan(余润兰)1, 3, QIU Guan-zhou(邱冠周)1, 3, FANG... value of aqueous phase and extraction time on the extraction of copper and iron under the condition of low Cu2+ /Fe3+ ratio in dump bioleaching solution of Dexing Copper Mine were explored. The optimal......
Dispersion of copper oxide supported onγ-alumina and its sulfation properties YU Qing-chun1, ZHANG Shi-chao2, YANG Bin1 1. National Engineering Laboratory of Vacuum Metallurgy, School of Metallurgy... threshold, and copper oxide supported on γ-Al2O3 is in the form of submonolayer. Key words: copper oxide; dispersion; submonolayer 1 Introduction Copper oxide has been received considerable attention......
......
......