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Effect of gallium doping on the magnetocaloric effect of LaFe11.2Co0.7Si1.1DENG Jianqiu a, CHEN Xiang b, and ZHUANG Yinghong b a Guangxi Key Laboratory for the Advance Materials and New Preparation... diffraction and magnetization measurements. The lattice parameter increases slightly and the Curie temperature in-creases somewhat with increasing gallium content. However, a small amount of Ga......
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Intensification of pretreatment and pressure leaching of copper anode slime by microwave radiationYANG Hong-ying(杨洪英)1, MA Zhi-yuan(马致远)1, 2, HUANG Song-tao(黄松涛)2, LV Yang(吕阳)1, XIONG Liu(熊柳)1(1... 100088, China)Abstract:The application of microwave irradiation for pretreatment of copper anode slime with high nickel content prior to pressure sulfuric acid leaching has been proposed. The microwave......
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......
Electrochemical formation of holmium-copper alloys on copper cathode in molten KCl-HoCl3 SU Yu-zhi(苏育志)1, YANG Qi-qin(杨绮琴)2, LIU Guan-kun(刘冠昆)2 1. School of Chemistry and Chemical Engineering... of holmium-copper alloys on copper cathode in molten HoCl3-KCl. Intermetallic compounds HoCu5, HoCu4, HoCu2 and HoCu are formed in sequence and then the metallic Ho is deposited when Ho3+ is reduced......
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......
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......
Electrical and mechanical properties of vapour grown gallium monotelluride crystalsP.M.Reshmi,A.G.Kunjomana,K.A.ChandrasekharanCrystal Research Centre,Department of Physics,Christ University摘 要:The physical vapour deposition(PVD)of gallium monotelluride(GaTe)in diferent crystalline habits was established in the growth ampoule,strongly depending......
Optical and acoustic phonon modes confined in gallium phosphide nanoparticlesZHANG Zhaochun and ZHANG Neng School of Material Science and Engineering,Shanghai University,Shanghai 200072,China摘 要:The main aim of this paper is to discuss the confinement effects on the optical and acoustic phonon vibrational modes in gallium phosphide(GaP) nanoparticles......
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