共搜索到2036条信息,每页显示10条信息,共204页。用时:0小时0分0秒371毫秒
Facile Synthesis of Bimetallic Au@Pd Nanoparticles with Core-shell Structures on Graphene NanosheetsNanting Li,Shaochun Tang,Xiangkang MengInstitute of Materials Engineering,National Laboratory... method for synthesis of bimetallic Au@Pd nanoparticles with core-shell structures on the graphene surface. This new type of Au@Pd e G composites is characterized by transmission electron microscopy, high......
Concentration-dependent Morphology Control of Pt-coated-Ag Nanowires and Effects of Bimetallic Interfaces on Catalytic ActivityYongguang Wang,Xiangyu Wang,Bo Sun,Shaochun Tang,Xiangkang MengInstitute... was discussed based on the lattice constants’ difference,concentration driven nucleation,consumption of Ag NWs,and stoichiometry of the replacement reaction. The effects of the bimetallic interface......
tin plating in the 20 steel surface. The transition zone morphology and element distribution of ZChSnSb11-6/20 steel bimetallic material were characterized by scanning electron microscopy (SEM) and X..., the hardness of transition zone is significantly higher than that of both sides of the substrate, and the bonding strength reaches up to 60.15 MPa. Key words: ZChSnSb11-6 alloy; bimetallic material; transition......
Effect of Ceria on Structure and Thermostability of Copper-Iron-Oxide Catalyst WANG Ren1,LU Guan-zhong1,WANG Jun-song1,WANG Xing-yi1 (1.Research Institute of Industrial Catalysis, East China... techniques. The studies indicate that there are Fe2CuO4, CuO and α-Fe2O3 phases in Cu-Fe-O with the granula of less than 13 nm. With the catalyst pretreatment temperature rising, the crystallite......
Ce-Zr-Tb Oxide Solid Solution as Key Material for Three-Way Catalyst Hu Yucai1 (1.School of Chemistry and Material Sciences, Yantai Normal University, Yantai 264025, China) Abstract:Ce-Zr-Tb oxide..., The palladium-only three-way catalyst(TWC) containing CZT was prepared by slurry coating and its catalytic activity was evaluated under the condition of simulated exhaust. The results show that CZT has cubic......
A review of C1 chemistry synthesis using yttrium-stabilized zirconia catalyst Jae-Wook Choi1,Antonius Indarto1,Hyung Keun Song1,Hwaung Lee1 (1.Plasma-Catalyst Chemical Process, Korea Institute... at high temperatures and pressures, conditions that could be unfavorable for the life of the catalyst. Another issue of C1 chemistry is related to the methane-initiated process. It has been known......
Characterization and CO Catalytic Oxidation of CuO/Ce-Zr-La-O Catalyst 罗孟飞1,钟依均1,林瑞2 (1.Institute of Physical Chemistry, Zhejiang Normal niversity, Jinhua 321004,China;2.Institute of Physical...%)/Ce0.7Zr0.15La0.15O catalyst is the highest. CuO, which finely dispersed and interacted with the support, is the site of oxidation activity. Key words:catalytic chemistry; sol-gel method; CuO/Ce-Zr-La-O......
Effects of microwave pretreatment on zinc extraction from spent catalyst saturated with zinc acetate ZHANG Ze-biao(张泽彪)1, 2, ZHANG Zheng-yong(张正勇)1, 2, NIU Hao(牛 浩)1, 2, PENG Jin... _____________________________________________________________________________________________________ Abstract: A new technology for microwave pretreatment of spent catalyst on Zn extraction by HCl leaching......
......
Engineering,Jiangsu Teachers University of Technology,Changzhou 213001,China;2.Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001,China) Abstract:Monometallic catalyst Pt/SAPO-11 was prepared by impregnation method. Bimetallic catalysts LaPt/SAPO-11 or CePt/SAPO-11 was prepared by sequential impregnation method. The catalysts were characterized by X-ray diffraction (XRD), nitrogen......