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Research on Technology of Pressure Pretreatment with Oxygen for Refractory Gold Ores Sun Tichang1,Wang Dianzuo2,Liu Shengming1,Chen Jinghe3 (1.Mineral Processing Department of Civil..., China) Abstract: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 1kg......
J. Cent. South Univ. (2012) 19: 71-76 DOI: 10.1007/s11771-012-0974-9 Oxygen pressure acid leaching of Gacun complex Cu concentrates XU Bin(徐斌)1, 2, ZHONG Hong(钟宏)3, JIANG Tao(姜涛)1 1. School... with high contents of Pb, Zn, Ag, etc by oxygen pressure acid leaching was studied. It is unusual that tetrahedrite, whose treatment was rarely studied, is the primary copper mineral of the concentrates......
High pressure luminescence studies of europium doped GaN M.Spencer1,W.Jadwisie2,T.Thomas1,K.Wisniewski3 (1.Second of Electrical and Computer Engineering,Cornell University,Ithaca NY,14853,USA;2.n)czak(n;3.Institute of of Experimental Physics,Gdahsk University,ul.Wita Stwosza 57,Gdansk,80-952,Poland) Abstract:We reported on the high pressure luminescence spectra of polycrystalline Eu-doped GaN......
Kinetic study on pressure leaching of high iron sphalerite concentrate XIE Ke-qiang(谢克强)1, YANG Xian-wan(杨显万)1, WANG Ji-kun(王吉坤)2, YAN Jiang-feng(阎江峰)2, SHEN Qing-feng(沈庆峰)2 1. Faculty...; Abstract: The kinetics of pressure leaching high iron sphalerite concentrate was studied. The effects of agitation rate, temperature, oxygen partial pressure, initial acid concentration, particle size......
Pressure distribution inside oscillating heat pipe charged with aqueous Al2O3 nanoparticles, MWCNTs and their hybridMd. Riyad Tanshen1, Sinil Lee1, Junhyo Kim2, Donghoon Kang3, Jungpil Noh4, HanShik... Industry, Cheondaegukchi-Gil 38, Tongyeong, Gyeongnam 650-160, Korea)Abstract:Effective thermal performance of oscillating heat pipe (OHP) is driven by inside pressure distribution. Heat transfer phenomena......
Statistical analysis of pressure fluctuations during unsteady flow for low-specific-speed centrifugal pumpsPEI Ji(裴吉), WANG Wen-jie(王文杰), YUAN Shou-qi(袁寿其) (Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang 212013, China)Abstract:A three-dimensional transient numerical simulation was conducted to study the pressure fluctuations in low-specific-speed......
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Phase stability and structural distortion of NiO under high pressure ZHANG Wei-bing(张卫兵), HU Yu-lin(胡玉林), TANG Bi-yu(唐壁玉) Key Laboratory of Advanced Materials and Ryeological Properties... pressure were investigated using first-principles calculations based on density-functional theory. Different forms of exchange-correlation functional including LDA, GGA and GGA+U were used......
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Pressure fluctuation and its influencing factors in circulating water pumpDAI Cui(代翠), KONG Fan-yu(孔繁余), DONG Liang(董亮)(Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang 212013, China)Abstract:In order to investigate the effect of sampling frequency and time on pressure fluctuations, the three-dimensional unsteady numerical simulations were conducted......