共搜索到19135条信息,每页显示10条信息,共1914页。用时:0小时0分0秒359毫秒
New Fabrication and Mechanical Properties of Styrene-Butadiene Rubber/Carbon Nanotubes NanocompositeXiangwen Zhou1),Yuefeng Zhu2),Ji Liang2) and Suyuan Yu1) 1) Key Laboratory for Advanced Materials Processing Technology,Ministry of Education,Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China 2) Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing......
Crystal Structure of a New Compound :Na2.1Ba0.9Cu0.1Nb4.9O14.3张高科摘 要:Single crystal of a new compound Na2.1Ba0.9Cu0.1Nb4.9O14.3 was synthesised for the first time. The crystal structure has been determined by single crystal X-ray diffraction and the final R value is 0. 0559. The compound crystallizes in a tetragonal unit cell [a = 12. 442(3) A and c = 3......
Ba3La2Ti2Ta2O15:A New Microwave Dielectricof A5B4O15-type Cation-deficient Perovskites胡长征摘 要:The synthesis,structure and properties of a new A 5B 4O 15-type cation-deficient perovskite Ba 3 La 2 Ti 2 Ta 2 O 15 were discribed.The compound was prepared by the conventional solid-state reaction route. The phase and structure of the ceramics were......
Synthesis of New Polyether Polycarboxylate Superplasticizer麻秀星Materials College, Chongqing UniversityXiamen Academy of Building Research Group摘 要:new high performance superplasticizer suitable for high-performance concrete has been synthesized. The structure of copolymer was characterized and analyzed by FT......
......
......
......
Triboluminescence of A New Europate Complex 于江波1,彭泽平1,张洪杰1,周亮1,符连社1,邓瑞平1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China) Abstract:A new europium(Ⅲ) complex Eu(HFNH)3Phen(HFNH: 4, 4, 5, 5, 6, 6, 6-heptafluoro-1-(2-naphthyl)hexane-1,3-dione; phen: 1,10-phenanthroline) was synthesized and its......
EXPERIMENTS AND SIMULATIONS OF A NEW DEVELOPED FORMING TECHNOLOGY-SHEAR-EXTRUSION PROCESS OF COMPONENTS WITH BRANCHES Z.L.Zhang1,D.C.Kang2,Z.D.Shi3,H.L.Yang1,X.H.Piao4 (1.National Die and Mold CAD... is utilized to forge large-size shutoff valve body on middle-due pre ss.This new process is intended for the manufacture of large-size forged tubular components with branches on middle-due press......
Rietveld Refinement of New Ternary Compound Al14Dy5Si He Wei1,Zeng Lingmin1,Zhang Jiliang1 (1.Key Laboratory of Nonferrous Metals and New Processing Technology of Materials, Ministry of Education, Guangxi University, Nanning 530004, China) Abstract:A new ternary compound Al14Dy5Si was discovered and studied by means of X-ray powder diffraction technique. The ternary compound Al14Dy5Si has......