共搜索到1156条信息，每页显示10条信息，共116页。用时：0小时0分0秒281毫秒
Effect of Lanthanum and Cerium on Expression of RSCU-PA-32k Gene in Saccharomyces Cerevisiae 刘玉鹏1,刘晖2,徐长法2,王兰仙2,任育红3 (1.Institute of Food Science and Engineering, Yantai University, Yantai 264005... efficiency of rscu-PA-32k gene in yeast. 2 and 5 mmol·L-1 LaCl3 increase the activities of the expression product by 13% and 20% (from 14.6 to 16.5 and 17.5 U·ml-1). Cerium chloride can decrease......
Determination of Trace Metal Impurities in Cerium Oxide by Fluorination-Assisted ETV-ICP-AES after HPLC Separation 江祖成1,胡斌1,Ruth Wanjau1,何蔓1,梁沛1,秦永超1 (1.Department of Chemistry,Wuhan University,Wuhan 430072,China) Abstract:A new method for the separation and detection of trace metal impurities in cerium oxide(CeO2)using HPLC combined with electrothermal vaporization(ETV)-ICP-AES......
Catalytic performance of cerium iron complex oxides for partial oxidation of methane to synthesis gas LIU Mingchun1,LI Kongzhai1,WEI Yonggang1,WANG Hua1 (1.Faculty of Materials and Metallurgy Engineering,Kunming University of Science and Technology,Kunming 650093,China) Abstract:The cerium iron complex oxides oxygen carder was prepared by the co-precipitation method. The reactions between......
Effect of cerium ion on the proliferation,differentiation and mineralization function of primary mouse osteoblasts in vitro LIU Cuilian1,ZHANG Jinchao1,ZHAO Yanyan2,DI Keqian2,WANG Peng3,SUN... Hospital of Hebei University,Baoding 071000,China) Key words:cerium ion; osteoblasts; proliferation; differentiation; mineralization; rare earths; [全文内容正在添加中] ......
New Environment-Friendly Approach for Bastnasite Metallurgic Treatment (I): Extraction of Tetravalent Cerium from Sulphuric Acid Medium with Di(2-ethylhexyl) Phosphoric Acid Cui Dali1,Zhang Guocheng1,Zhu Zhaowu1,ZHAO Na1,Li Dedong1,Long Zhiqi1 (1.Advanced Materials Co. Ltd. of Beijing General Research Institute of Nonferrous Metals, Beijing 100088, China) Abstract:The extraction of cerium(IV......
Effects of Cerium Oxide on Ni/Al2O3 Catalysts for Decomposition of CH4 and C2H4 杨咏来1,徐恒泳1,李文钊1 (1.Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China) Abstract.... A novel model of carbon deposition of CH4 or C2H4 decomposition was proposed. Key words:catalytic chemistry; Ni/Al2O3 catalyst; cerium oxide; methane; ethylene; decomposition; rare earths; [全文内容正在添加中] ......
Using EIS to evaluate anti-corrosion properties of the SiC_p/5A06 aluminium MMC treated by cerium conversion coatings ZHANG Qi1,Irfan Aziz1,XIANG Min1 (1.School of Materials Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) Key words:cerium conversion coating; SiC_p/5A06 Al composite; EIS; XPS; corrosion protection; rare earths; [全文内容正在添加中] ......
......
Mechanochemical synthesis of cerium orthophosphateA.Matraszek1,I.Szczygie1,L.Macalik2,J.Hanuza2,31. Department of Inorganic Chemistry, Wroctaw University of Economics ul.Komandorska 118/120, Wroctaw... Chemistry ul.Komandorska 118/120, Wroctaw, 53-345, Poland摘 要:A facile, simple and rapid preparation method of cerium orthophosphate was presented. The synthesis......
Synthesis and Characterization of Tetravalent Cerium Complexes with p-Tert-butylcalix［n］arenes (n=4, 6, 8) 增田嘉孝1,严纯华2,张亚文2 (1.Diuision of Materials Science The Graduate School of Science... solution. Ce4+ ions in the complexes are coordinated by phenolic groups of the ligands, oxygen atoms of dmf molecules, and / or OH- ions. Key words:rare earths; tetravalent cerium complex; p-t-butyl......
