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Structure and resistance of concentration polar layer on cation exchange membrane-solution interface SANG Shang-bin(桑商斌), HUANG Ke-long(黄可龙), LI Xiao-gang(李晓刚), WANG Xian(王 显) School of Chemistry... polar layer(CPL) and a charge layer(CL) under external electrical field, and the neutral CPL can be neglected under high frequency AC electrical field. The relationship of CL thickness e......
to 4-vinypyridine (g/g), on the copolymerization yield of styrene and 4-Vinylpyridine was investigated. The results showed that the copolymerization of polar monomers with olefins occurred efficiently... that the resulted polymer had only one glass transition temperature, and showed very good thermal stability. Key words:rare earth catalyst; styrene; 4-vinylpyridine; polar monomer; copolymerization......
Polar Influence of the Organic Modifiers on the Structure of Montmorillonite in Epoxy NanocompositesFu-Chun Liu1,En-Hou Han1,Wei Ke1,Nan Tang2,Junbiao Wan2,Guilai Yin2,Jingwei Deng2,Kangwen Zhao21. State Key Laboratory for Corrosion and Protection,Institute of Metal Research,Chinese Academy of Sciences2. Jiangxi Electric Power Research Institute摘 要: tension decrease. The surface free energy and the polar component of rare earth composite ceramic are increased. The rare earth composite ceramics have the easy-cleaning property.
Key words:easy-cleaning; far infrared; surface tension; surface free energy; polar component; rare earths;
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......Preparation and Easy-Cleaning Property of Rare Earth Composite Ceramic
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来源: 《JOURNAL OF RARE EARTHS2006年增刊第2期》——Liang Jinsheng Liang Guangchuan Li Jiyuan Wang Lijuan
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不等开口压力容器非测地线缠绕的CAD/CAM技术 李辅安1,李翠云1 (1.西安航天复合材料研究所西安,710025) 摘要:本文针对两端封头开口比大的复合材料容器在缠绕工艺中遇到的纤维滑线问题,对圆筒段路径采用非测地线,封头为近测地线的轨迹,详细讨论了不同结构形式容器缠绕角的求解方法,从而实现非测地线路径设计.并给出非测地线稳定缠绕的判别公式,对缠绕可行性进行了分析判断.最后在此基础上开发了缠绕程序,实现了缠绕工艺的自动化铺层设计和缠绕成型,对不等开口容器的缠绕设计和工艺具有指导性作用. 关键词:不等开口; 压力容器; 非测地线; 线型; different polar openings; pressure vessel; non-geodesic; pattern; [全文内容正在添加中] ......
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recrystallization as temperature increases. The grain size increases with increasing temperature. Based on dynamic materials model, polar reciprocity model and microstructure evolution... of 65%–70%, respectively. Key words: spray formed 7055 aluminum alloy; processing map; dynamic materials model; polar reciprocity model Foundation item: Project(XXXX-K2008-6) supported by the Special......
, barycentric interpolation collocation method, a high accuracy meshless method for solving elastic problems in polar coordinate system was presented. The computational nodes were generated by tensor... that the proposed method has advantages of simple computational formulations, being easy to program and high precision. Key words: elastic problem; polar coordinate system; barycentric Lagrange interpolation......