共搜索到6751条信息，每页显示10条信息，共676页。用时：0小时0分0秒439毫秒
......
Microstructure and Nano-hardness of Pure Copper and ODS Copper Alloy under Au Ions Irradiation at Room TemperatureJing Zhang,Yong-Qin Chang,Zhi-Meng Guo,Ping-Ping Liu,Yi Long,Fa-Rong WanSchool of Materials Science and Engineering, University of Science and Technology Beijing摘 要:The microstructure and nano-hardness of the pure copper and oxide dispersion......
Deep removal of copper from cobalt sulfate electrolyte by ion-exchange WEN Jun-jie(温俊杰), ZHANG Qi-xiu(张启修), ZHANG Gui-qing(张贵清), CAO Zuo-ying(曹左英) School of Metallurgical Science and Engineering... bands. Key words: cobalt sulfate electrolyte; removal of copper; chelating resin; ion exchange ......
Bacterial leaching of discarded copper ores from Yongping, ChinaMuqing Qiu, Genxuan Wang, and Zhuxia Shen College of Life Sciences, Zhejiang University, Hangzhou 310029, China摘 要:<正>The elementary and phase analysis of discarded copper ores from Yongping of China has been performed. The experiments of extracting copper from the discarded copper......
Development of copper coatings on molybdenum powders by electroless plating technique WANG Guang-jun(王光君), WANG De-zhi(王德志) Schools of Materials Science and Engineering, Central South University, Changsha 410083, China Received 15 July 2007; accepted 10 September 2007 Abstract: Mo powders with average particle size of 3 μm were attempted to coat with copper by electroless plating......
Preparation of copper nanoparticles by chemical reduction method using potassium borohydride ZHANG Qiu-li(张秋利)1, YANG Zhi-mao(杨志懋)2, DING Bing-jun(丁秉钧)2, LAN Xin-zhe(兰新哲)1, GUO Ying-juan(郭莹娟)1... 2009; accepted 30 December 2009 _____________________________________________________________________________________________________ Abstract: High dispersive copper nanoparticles were prepared......
Heat Dissipation Performance of Porous Copper with Elongated Cylindrical PoresHao Du1,Dongzhu Lu1,Jianzhong Qi1,Yanfang Shen1,Lisong Yin2,Yuan Wang3,Zhongguang Zheng1,Tianying Xiong11. Division... of porous copper with long cylindrical pores fabricated by a unidirectional solidification method.Three samples with porosity of 29.87%,34.47%and 50.98%were chosen and cut into size of 60 mm(length)26......
Simulation on temperature field of TIG welding of copper without preheating LEI Yu-cheng(雷玉成), YU Wen-xia(郁雯霞), LI Cai-hui(李彩辉), CHENG Xiao-nong(程晓农) School of Materials Science and Engineering... of tungsten inert gas(TIG), a model of non-steady three-dimensional temperature field for red copper’s TIG welding with a locomotive arc was established. The temperature field of welding pool was calculated......
Properties of nanocrystalline copper prepared by vacuum-warm-compaction method CHU Guang(楚 广)1, 2, LIU Wei(刘 伟)1, YANG Tian-zu(杨天足)1, TANG Yong-jian(唐永建)2 1. School of Metallurgical Science... with larger pressure, longer duration of pressure or higher temperature. The highest microhardness of nanocrystalline Cu is 3.8 GPa, which is 7 times higher than that of coarse-grained copper......
Antibacterial Behavior of Laser-Ablated Copper NanoparticlesHina Khalid1,Shamaila Shamaila1,Nosheen Zafar1,Rehana Sharif1,Jawad Nazir2,Mohammad Rafique1,Sheeba Ghani1,Hussain Saba11. Department of Physics,University of Engineering and Technology2. Department of Microbiology,University of Veterinary and Animal Sciences摘 要:Copper nanoparticles(Cu NPs......
