共搜索到26686条信息，每页显示10条信息，共2669页。用时：0小时0分0秒339毫秒
Catalytic effect of activated carbon on bioleaching of low-grade primary copper sulfide ores ZHANG Wei-min(张卫民)1, GU Shi-fei(谷士飞)2 1. School of Civil and Environmental Engineering, East China... June 2007 ______________________________________________________________ Abstract: The catalytic effect of activated carbon on the bioleaching of low-grade primary copper sulfide ores using mixture......
Effect of Fe2O3 Loading Amount on Catalytic Properties of Monolithic Fe2O3/Ce0.67Zr0.33O2-Al2O3 Catalyst for Methane Combustion Zhong Junbo1,Yan Shenghui1,Gong Maochu1,Wang Jianli1,Liu Zhimin1,Chen... supported on the solid solution were obtained by the impregnation method. The article revealed that the optimal loading amount of Fe2O3 on Ce0.67Zr0.33O2-Al2O3 in our experimental condition for catalytic......
Catalytic Synthesis of Tert-Butyl Acetate by Nd2O3/Al2O3-Nd2O3/ZnO A Shan1,Han Limin1,Wang Yajun1 (1.Chemical Engineering College, Inner Mongolia University of Technology, Hohhot 010051 China) Abstract:Nd2O3 was used to support Al2O3 and ZnO to prepare a supported solid base catalyst and investigate the effect of catalyst and reaction conditions on the synthesis of tert-butyl acetate......
Effect of praseodymium on catalytic graphitization of furan resin carbon CHEN Jinhua1,LIU Lu1,YI Shoujun1,FAN Zhen2,XIAO Xiong1 (1.College of Chemistry and Chemical Engineering,Hunan University,Changsha 410082,China;2.School of Chemistry and Chemical Engineering,Hunan University of Science and Technology,Xiangtan 411201,China) Key words:catalytic graphitization; praseodymium; furan resin; X......
Catalytic activity of Au/Fe-PILC and Au/Fe-oxide catalysts for catalytic combustion of formaldehyde LI Chang-yan (李常艳)1, SHEN Yue-nian (沈岳年)1, HU Rui-sheng (胡瑞生)1, LI Pei-pei (李沛培)2, ZHANG Jun... catalyst was obtained by deposited-precipitation (DP) method. 2.52Au/Fe-oxide catalyst was prepared by co-precipitation method. The catalytic activity of these catalysts was measured by catalytic......
effect of doped cerium was studied on the series of La1-xCexCoO3+δ materials by means of BET,XRD and SEM techniques.Their catalytic behaviors were studied with methane catalytic complete combustion...Preparation and Physicochemical Characterization of La1-xCexCoO3+δ Perovskite Catalyst and Its Methane Catalytic Combustion 龙志奇1,崔大立1,李明来1,崔梅生1,张顺利1,黄小卫1 (1.Grirem Advanced Materials Co.,Ltd......
and SEM. The results indicate that Fe-Cr2O3 composite coating exhibits a significant catalytic effect on graphitization of carbon fibers at low temperatures. When the Fe-Cr2O3-coated carbon fibers were... with the increase of the catalyst gross but also the Cr2O3 content in Fe-Cr2O3 coating. The catalytic effect of Fe-Cr2O3 composite coating accords with the dissolution-precipitation mechanism. Key words......
Effect of Metal Oxide Doping into Ce0.5Zr0.5O2 on Catalytic Activity of MnOx/γ-Al2O3/Ce0.45Zr0.45M0.1Ox(M=Y, La, Mn) Honeycomb Catalysts Chen Yaoqiang1,Zhong Junbo1,Wang Jianli1,Shen Mei1,Liu Zhimin1,Yan Shenghui1,Gong Maochu1,Cao Hongyan1 (1.College of Chemistry, Sichuan University, Chengdu 610064, China) Abstract:This article showed that the catalytic activity of MnOx/γ-Al2O3/Ce0.5Zr0.5O2......
Effect of Novel Supporter on Catalytic Combustion of Methane Zheng Xiaoming1,Chen Min1,Fan Liping1 (1.Department of Chemistry, Xixi Campus of Zhejiang University, Hangzhou 310028, China) Abstract... ℃. The structure of the catalyst and the effect of the supporter on catalytic activity were characterized by transmission electronic microscopy (TEM), X-ray diffraction (XRD), and temperature-programmed reduction......
Effect of BaO on Catalytic Activity of Pt-Rh TWC Guo Jiaxiu1,Gong Maochu1,Chen Yaoqiang1,Yuan Shuhua1 (1.College of Chemistry, Sichuan University, Chengdu 610064, China) Abstract:The effects of BaO doping on the three-way catalytic activity of Pt-Rh catalyst and on water-gas shift were investigated. The results show that the light-off temperatures of hydrocarbon and carbon monoxide......
