共搜索到33787条信息,每页显示10条信息,共3379页。用时:0小时0分0秒343毫秒
Synthesis, crystal structure and fluorescence property of 1-D europium complex with 2,3-difluorobenzoate SONG Jinhao1,WU Xiaoshuo1,LI Xia1 (1.Department of Chemistry,Capital Normal University... ultraviolet light, and the ~5D_0→~7F_j(j=0~4) transi-tions of Eu~(3+) ion were observed in its emission spectrum. Key words:europium complex; 2,3-difluorobenzoic acid; crystal structure; fluorescence; rare......
Phase Behavior and Crystal Structure of Perovskite-Type Rare Earth Complex Oxides Ryoko Katsuraya1,Hiromi Nakano2,Yusuke Tomita1,Tsubasa Nara1,Migaku Kobayashi1,Naoki Kamegashira3 (1.Department... of Technology, Tempaku-cho, Toyohashi 441-8580, Japan) Abstract:Several compounds of rare earth complex oxides containing manganese and titanium were synthesized in Ar, and their crystal structures were......
requires good control of optimized process and qualified structure and properties of end product. The rheology of complex fluids using the multi-scale approaches of soft matter physics may provide...J. Cent. South Univ. Technol. (2008) 15(s1): 130-134 DOI: 10.1007/s11771-008-331-1 Challenging multiphase complex fluids for applications XU Yuan-ze(许元泽)1, 2 (1. Department of Macromolecular......
Synthesis, Characterization and Crystal Structure of Quaternary Complex of Gadolinium (Ⅲ) 北川进1,朱龙观2,蔡国强2,王国平2,正冈重行1 (1.Department of Synthetic Chemistry and Biological Chemistry, Faculty...=1.80, R=0.023 and Rw=0.027. Key words:organic chemistry; gadolinium(Ⅲ); crystal structure; mixed ligands; ESR; quaternary complex; rare earths; [全文内容正在添加中] ......
Hydrothermal synthesis, crystal structure and luminescence of a europium complex with phenylmalonic acid and 1, 10-phenanthroline LI Yanqiu1,JU Yanling1,LI Xia1,ZHANG Yanbin1,WANG Chunyan1...), and 1, 10-phenanthroline (phen), where PA was the decarboxylated product of H2phma, phenylacetate. The crystal structure of the title complex was determined with the X-ray diffraction. The title complex......
Micro-EDM Milling of Complex 3D Structure with Fix-Length Compensation Method董颖怀School of Mechatronics Engineering,Harbin Institute of Technology摘 要:A human face with complex 3D structure is machined with a modified fix-length compensation method in this paper.The fast development of MEMS (Micro Electromechanical Systems) has strongly enhanced......
Synthesis and Structure of a Polymeric Complex [Ce(bphsb)2(NO3)3]n 卜显和1,李建荣1,陈久桐3,张若桦1 (1.Department of Chemistry, Nankai University, Tianjin 300071,China;2.The State Key Laboratory of Rare Earth... structure of the complex indicated that the ligand bphsb and cerium(Ⅲ) ion form a polymeric double-bridge chain complex involving 18-membered macrometallocycles. Each cerium ion is coordinated by ten O......
J. Cent. South Univ. (2012) 19: 71-76 DOI: 10.1007/s11771-012-0974-9 Oxygen pressure acid leaching of Gacun complex Cu concentrates XU Bin(徐斌)1, 2, ZHONG Hong(钟宏)3, JIANG Tao(姜涛)1 1. School... Engineering, Central South University, Changsha 410083, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The treatment of the Gacun complex Cu concentrate......
J. Cent. South Univ. (2012) 19: 1311-1316 DOI: 10.1007/s11771-012-1143-x Generic reconstruction technology based on RST for multivariate time series of complex process industries KONG Ling... to effectively analyse the multivariate time series data of complex process, a generic reconstruction technology based on reduction theory of rough sets was proposed. Firstly, the phase space of multivariate......
Study on Electronic Structure of Rare Earth Complex with Dioxygen李振祥,兰桂刚摘 要:<正> The electronic structure and chemical bonding of[Ce(CO3)3O2]28- have been studied by INDO(Intermediate Neglect of Differentiated Overlap)method in this paper.The results obtained show that theHOMO of[Ce(CO3)3O2]28- is mainly composed of the anti-bonding π orbitals......