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Effect of preparation method on physicochemical properties and catalytic performances of LaCoO3 perovskite for CO oxidationShan Wang,Xuelian Xu,Junjiang Zhu,Duihai Tang,Zhen Zhao摘 要:performances for CO oxidation were investigated. The samples were characterized by X-ray diffraction, thermogravimetry analysis and differential scanning calorimetry, N2 physisorption, transmission electron......
Electrochemical performances of hydrogen storage alloys treated using a new milling techniqueLIU Kaiyu~(a,b) ZHANG Ying~(a,b) ZHANG Wei~c HE Yuehui~b ~a School of Chemistry and Chemical Engineering... alloys, and the effect on the electrochemical performance of the alloy electrode was investigated in detail.It was found that the prepared electrode had perfect electrochemical performances......
Electrochemical Hydrogen Storage Performances of the Si Added La-Mg-Ni-based A2B7-type Electrode Alloys for Ni/MH Battery Application张羊换1,2,YANG Tai2,CHEN Licui1,2,XU Chao1,2,REN Huiping1,ZHAO.... The effects of Si content and annealing temperature on the structure and electrochemical performances of the alloys were investigated systematically. The analyses of XRD and SEM show that all the alloys......
Performances and failure mechanism of semi-metallic friction materials doping rare earths许越,王晓静,白婧,卢立国School of Chemistry and Environment,Beijing University of Aeronautics and Astronautics摘 要:In order to improve performance of semi-metallic friction material,the specimens doped with rare earth(cerous nitrate) were prepared.The effects of rare earth......
Improved electrochemical kinetic performances of La-Mg-Ni-based hydrogen storage alloys with lanthanum partially substituted by yttrium刘治平1,杨淑琴2,李媛2,马明臻1,韩树民1,21. State Key Laboratory of Metastable... as the partial substitution element for lanthanum(La) to improve the electrochemical kinetic performances of La-Mg-Ni-based hydrogen storage alloys. La0.80–xYxMg0.20Ni2.85Mn0.10Co0.55Al0.10(x=0.00, 0.05......
Investigation on the cation location, structure and performances of rare earth-exchanged Y zeolite邱丽美,付颖,郑金玉,黄南贵,卢立军,高秀枝,忻睦迪,罗一斌,史延强,徐广通Research Institute of Petroleum Processing SINOPEC摘 要:performances than RE-4 and RE-16, among which RE-12 had the best properties. The phenomena were interpreted by the cation location and structural properties.关键词:......
Effect of preparation method on physicochemical properties and catalytic performances of LaCoO3 perovskite for CO oxidationShan Wang,Xuelian Xu,Junjiang Zhu,Duihai Tang,Zhen Zhao摘 要:performances for CO oxidation were investigated. The samples were characterized by X-ray diffraction, thermogravimetry analysis and differential scanning calorimetry, N2 physisorption, transmission electron......
J. Cent. South Univ. Technol. (2008) 15: 869-876 DOI: 10.1007/s11771-008-0159-8 Impacts of flexible obstructive working environment on dynamic performances of inspection robot for power... were performed in ADMAS. The simulation results, including the coupling vibration parameters and driving moment of joint motors, show the dynamic performances of the robot along flexible obstructive......
Friction and wear performances of borates and lanthanum chloride in water WANG Jiu1,FANG Jianhua1,LI Jia1,LOU Fang1,CHEN Boshui1 (1.Logistical Engineering University, Chongqing 400016, China) Abstract:The antiwear and friction-reducing performances of sodium borate, potassium borate and lanthanum chloride in water were evaluated on a four-ball friction tester. The topographies, element......
Effects of Na content on structure and electrochemical performances of NaxMnO2+d cathode material YANG Shun-yi(杨顺毅)1, WANG Xian-you(王先友)1, WANG Ying(王 莹)2, CHEN Quan-qi(陈权启)1, LI Jiao-jiao(李姣姣)1..., 0.5, 0.6, 0.7, 1.0; d = 0-0.3), were synthesized by solid-state reaction routine combined with sol-gel process. The structure, morphology and electrochemical performances of as-prepared samples were......