共搜索到19267条信息，每页显示10条信息，共1927页。用时：0小时0分0秒417毫秒
XPS study of surface absorbed oxygen of ABO3 mixed oxides YANG Qiuhua1,CUI Jinjin1,ZHAO Xin1 (1.Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China) Abstract.... The surface absorbed oxygen was analyzed using X-ray photoelectron spectroscopy (XPS). The results indicated that there was a relationship between the photocatalytic activity and the content of the surface......
Microstructure and properties of Fe-based coatings on cutting pick surface formed by plasma jet surface metallurgy CHEN Hao(陈 颢)1, 2, YANG Jian-gao(羊建高)2,LI Hui-qi(李惠琪)3 1. School of Materials...; Abstract: The Fe-based composite coatings were produced on the attrition spot of cutting pick by plasma jet surface metallurgy, and metallurgical bonding was obtained between coating and substrate......
Surface functionalization of single-walled carbon nanotubes using metal nanoparticles Goo-Hwan JEONG Department of Advanced Materials Science and Engineering, Kangwon National...; Abstract: Surface functionalization of suspended single-walled carbon nanotubes (SWNTs) using metal (Au) nanoparticles (NPs......
Trajectory planning and tracking control for underactuated unmanned surface vesselsLIAO Yu-lei(廖煜雷), SU Yu-min(苏玉民), CAO Jian(曹建) (State Key Laboratory of Autonomous Underwater Vehicle, Harbin Engineering University, Harbin 150001, China)Abstract:The trajectory planning and tracking control for an underactuated unmanned surface vessel (USV) were addressed. The reference trajectory was generated......
A Hybrid Low Temperature Surface Alloying Process for Austenitic Stainless Steels Y.Sun1 (1.School of Materials Engineering, Nanyang Technological University, Singapore 639798) 摘要:This paper... out in the plasma of a glow discharge containing both nitrogen and carbon reactive species, and facilitates the incorporation of both nitrogen and carbon into the austenite surface to form a dual-layer......
Quantitative Analysis on Carbon Migration in Double-Glow Discharge Plasma Surface Alloying Process WANG Cong-zeng1,ZHANG Zhen-xia2,ZHANG Wen-quan1,SU Xue-kuan1 (1.College of Materials Science... discharge plasma surface alloying process, but literature of quantitative analysis about carbon migration is relatively scarce. In this paper differential equations of the carbon and metal concentration......
HVOF on the Surface Strengthen Treatment to the flow Parts of Hydraulic Turbine LU Jin-yu1,LI Cui-lin2,TU Yang-wen1,AI You-zhong3 (1.China Yangtze Power Company Ltd. Yi Chang 443002;2.Northwest..., and study how to slow down the destruction speed of sandiness stream to surface on flow parts of hydraulic turbine, various kinds of new technology, new material, new craftwork have been verified in lab......
IMPROVING THE SURFACE PROPERTY OF TC4 ALLOY BY LASER NITRIDING AND ITS MECHANISM C.S. Liu1,G.J. Zhao2,D. Zhang2,Y.L. Yang2 (1.College of Material and Metallurgy, Northeastern University,Shenyang 110004, China;2.College of Science, Northeastern University, Shenyang 110004, China) Abstract:The mixing technology of laser and heated nitrogen was applied to improve the surface hardaccelerate......
First-principles study for surface tension and depolarizing effect on ferroelectric properties of BaTiO3 nanowires CAI Meng-qiu(蔡孟秋), DU Yong(杜 勇), HUANG Bai-yun(黄伯云) State Key... that of bulk counterpart. The ferroelectric properties of the wire are found to generally depend on its dimensions through effects of the surface tension and near-surface depolarizing effect. The surface......
Laser surface alloying fabricated porous coating on NiTi shape memory alloy ZHANG Song(张 松)1, ZHANG Chun-hua(张春华)1, 2, MAN Hau-chung(文效忠)3, LIU Chang-sheng(刘常升)2 1. School of Materials Science...; Abstract: Laser surface alloying technique was applied to fabricate a metallic porous coating......
