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Kinetic process of oxidative leaching of chalcopyrite under low oxygen pressure and low temperature QIU Ting-sheng(邱廷省)1, NIE Guang-hua(聂光华)2, WANG Jun-feng(王俊峰)1, CUI Li-feng(崔立凤)1 1. School...; Abstract: Kinetic process of oxidative leaching of chalcopyrite in chloride acid hydroxide medium under oxygen pressure and low temperature was investigated. The effect on leaching......
Article ID: 1003-6326(2005)02-0247-05 Fabrication of finegrained Al2O3 ceramic at low sintering temperature LI Hua-ling(李华玲)1, 2, WANG Mao-cai(王茂才)1, ZHAO Ji-bin(赵吉宾)3, LIU Wei-jun(刘伟军)3 (1... of the composite powder. With the reactive sintering and multiphase sintering mechanisms, finegrained Al2O3 ceramic is fabricated at low sintering temperature. Key words: finegrained Al2O3 ceramic; sintering......
Single step low temperature synthesis of gadolinium gallium garnet nanopowdersRekha Mann,Kiranmala Laishram,Neelam Malhan摘 要:Solution combustion synthesis of single-phase gadolinium gallium oxide(Gd3Ga5O12,GGG)nanopowders,by a fuel mixture approach using urea and glycine at a low temperature of 500oC,was being reported for the first time.Based......
Single step low temperature synthesis of gadolinium gallium garnet nanopowdersRekha Mann,Kiranmala Laishram,Neelam Malhan摘 要:Solution combustion synthesis of single-phase gadolinium gallium oxide(Gd3Ga5O12,GGG)nanopowders,by a fuel mixture approach using urea and glycine at a low temperature of 500oC,was being reported for the first time.Based......
and V2O5(n(Ca O)/n(V2O5)),roasting temperature,holding time,and the heating rate used in the oxidation–calcification processes were investigated.The roasting process and mechanism were analyzed by X-ray...Roasting and leaching behaviors of vanadium and chromium in calcification roasting–acid leaching of high-chromium vanadium slagJing Wen1,Tao Jiang1,2,Mi Zhou1,2,Hui-yang Gao1,Jia-yi Liu1,Xiang-xin......
Synthesis of Neodymium-Doped Yttrium Aluminum Garnet (Nd∶YAG) Nano-Sized Powders by Low Temperature Combustion Zhang Huashan1,Su Chunhui1,Hou Zhaoxia1,Han Hui2 (1.School of Materials and Chemical...:The homogeneously dispersed, less agglomerated (Nd0.01Y0.99)3Al5O12 nano-sized powders were synthesized by the low temperature combustion (LCS), using Nd2O3, Y2O3, Al(NO3)3·9H2O, ammonia water and citric acid......
affects the roasting performance of pellets. In this work, high pressure roll grinding (HPRG) process and optimization of temperature elevation system were investigated to improve the strength...Strengthening pelletization of manganese ore fines containing high combined water by high pressure roll grinding and optimized temperature elevation systemZHU De-qing(朱德庆)1, YU Wei(余为)1, 2, ZHOU Xian......
the exhaust emission. The roasting energy consumption takes up about 10% of the whole energy used in the alumina production[1]. Besides, if temperature decreases by 100 ℃, about 3% energy could be saved...-XY. The whole temperature distribution is: TⅡ＞TⅠ＞TⅢ＞TⅣ. 2) When the fuel flux is suitable, as shown in Fig.4(b), the complete combustion gradually becomes low oxygen combustion, which makes the high......
Low temperature annealing of metals with electrical wind force effectsDaudi Waryoba1,Zahabul Islam2,Baoming Wang2,Aman Haque21. Engineering,Applied Materials,Penn State University,College Place2. Mechanical & Nuclear Engineering,Penn State University,University Park摘 要:Conventional annealing is a slow, high temperature process that involves heating......
Low Temperature Epitaxial Growth of Semiconductors Using Synchrotron Radiation as a Light Source Mitsuhiro NISHIO1,Hiroshi OGAWA1,Qixin GUO1 (1.Department of Electrical and Electronic Engineering... that the SR-excited growth is a powerful technique for a novel low temperature growth of compounds. [全文内容正在添加中] ......
