共搜索到6913条信息,每页显示10条信息,共692页。用时:0小时0分0秒499毫秒
Cathode Materials for Solid Oxide Fuel Cells(SOFC)夏定国,魏秋明,朱时珍,刘庆国摘 要:<正> A detailed overview has been given concerning the use of rare earth materials in cathode fabrica-tion of solid oxide fuel cells(SOFC).It is focused on the various synthesis methods of the perovskite-typemixed rare earth oxides and the physical and chemical properties......
Effect of Surface Modification on Behaviors of Cerium Oxide Nanopowders李梅,史振学,柳召刚,胡艳宏,王觅堂,励杭泉摘 要:Study was made on the effect of surface modification on the behaviors of cerium oxide nanopowders.A surfactant-sodium dodecyl sulfate(C12H25SO4Na)was used to modify the surface of CeO2 powder particles.The unmodified and modified CeO2 powders were......
Graphene oxide effects on the properties of Al2O3-Cu/35W5Cr compositeXiaohui Zhang1,2,3,Yi Zhang1,2,3,Baohong Tian1,2,3,Yanlin Jia4,Ming Fu5,Yong Liu1,2,3,Kexing Song1,2,3,Alex.A.Volinsky6,Xiao..., University of South Florida7. Luoyang Ship Material Research Institute摘 要:Graphene oxide(GO) nanosheets were dispersed into premixed powders(Cu-0.4 wt% Al/35W5Cr......
0.5Zn was enhanced greatly and it even can be melted exposing to air. X ray diffraction indicated that beryllium oxide, which was much compacter and tougher than magnesia, formed on the melt surface. AES depth profile analysis showed that the surface oxide film could be pided into three sub layers. The outside layer was mainly made up of magnesia, the middle layer, which consisted of beryllium oxide......
......
Transport Properties of Rare Earth Manganese Oxide La0.67Ca0.33Mn1-xFexO3 张金仓1,余森江1,韩雁冰2,葛洪良2,崔玉建2,贾广强1 (1.Department of Physics,Shanghai University,Shanghai 200436,China;2.Department of Physics,China Institute of Metrology,Hangzhou 310018,China) Abstract:The transport properties were studied for rare earth manganese oxide La0.67Ca0.33Mn1-xFexO3(x=0~0.3) systems.It is found......
Highly transparent ytterbium doped yttrium lanthanum oxide ceramicsM.Ivanov1,Yu.Kopylov2,V.Kravchenko2,李江3,A.Medvedev1,4,潘裕柏31. Institute of Electrophysics UrB of RAS, 106,Amundsena, 620016... evaporation of mixed oxides was used. After calcinations of the powder at 1200 °C a pure single-phase solid solution Yb3+:(LaxY1–x)2O3 was formed in the nanoparticles. Influence of lanthanum oxide......
Bioleaching of copper oxide ore by P seudomonas aeruginosaM.A.Shabani1,M.Irannajad1,A.R.Azadmehr1,M.Meshkini1,21. Department of Mining & Metallurgical Engineering,Amirkabir University of Technology摘 要:Bioleaching is an environmentally friendly method for extraction of metal from ores.In this study,bioleaching of copper oxide ore by Pseudomonas......
Effect of aluminum oxide on the compressive strength of pelletsJian-liang Zhang,Zhen-yang Wang,Xiang-dong Xing,Zheng-jian LiuSchool of Metallurgical and Ecological Engineering,University of Science...) and the aluminosilicate(2FeO·2Al2O3·5SiO2) was generated, which releases some iron oxide and reduces the inhibition of fayalite to the solid phase of consolidation. When Al2O3 increased sequentially, high melting......
Enhanced photocatalytic activity of electrochemically synthesized aluminum oxide nanoparticlesDeepak Pathania1,Rishu Katwal1,Harpreet Kaur21. School of Chemistry, Shoolini University2. Department of Chemistry, Punjabi University摘 要:In this study, aluminum oxide(Al2O3) nanoparticles(NPs) were synthesized via an electrochemical method. The effects......