共搜索到3707条信息,每页显示10条信息,共371页。用时:0小时0分0秒187毫秒
Bonding interface zone of Mg-Gd-Y/Mg-Zn-Gd laminated composite fabricated by equal channel angular extrusion WU Di(吴 迪)1, 2, CHEN Rong-shi(陈荣石)1, HAN En-hou(韩恩厚)1 1. State Key Laboratory... the Mg-5Gd-5Y/Mg-2Zn-1Gd (GW55/ZG21) laminated composites. After fabrication and annealing treatment, the microstructural evolution, phase constitution, microhardness, and bonding strength were......
various surface pre-treating methods. The surface and cross-sectional morphologies of HA coatings were observed by SEM, as well as the bonding strength between coatings and substrates after different pre... the bonding strength reaches (58±5)MPa, higher than that of the clinically used HA coatings on Ti-alloys produced via plasma spray route, as well as a HA coating with full crystallinity and high phase......
the ordered deposition of pyrocarbon and adjust the interface bonding between pyrocarbon and carbon fibers during the infiltration.Key words:carbon nanofiber; SiC nanofiber; pyrocarbon; interface bonding......
Bonding mechanism of ultrasonic wedge bonding of copper wire on Au/Ni/Cu substrate TIAN Yan-hong(田艳红)1, WANG Chun-qing(王春青)1, Y. Norman ZHOU2 1. State Key Laboratory of Advanced Welding...; Abstract: The ultrasonic wedge bonding with d25 μm copper wire was achieved on Au/Ni plated Cu substrate at ambient temperature. Ultrasonic wedge bonding mechanism was investigated......
如何将文化教学融入外语教学 周红1 (1.浙江经济高等专科学校,浙江,嘉兴,314001) 摘要:从语言与文化的关系着手,论述了外语教学中文化知识传授的必要性,并从背景知识,词汇和交际能力3方面阐述了如何融文化教学与外语教学之中. 关键词:语言; 文化; 外语教学; [全文内容正在添加中] ......
Electrochemical and Reaction Bonding Processing of Thick ZrO2/Al2O3 Composite Coatings WANG Zhou-cheng1,XIAO Ping2 (1.Dept. of Materials Science and Engineering, Xiamen University, Xiamen, China;2.Manchester Materials Science Centre, University of Manchester, Manchester, UK) 摘要:A novel technique combining electrophoretic deposition (EPD) and reaction bonding process (RBP) is developed......
......
The Frame and Function Analysis of the Non-Crystal Bonding Brushing Plating Ni-W-SiC Coat XIANG wei-xiang1,ZHANG Yu-feng1,CAO Shou-liang1 (1.Wuhan Ordnance Noncommissioned Officer School, Wuhan 430075, China) 摘要:The article discusses the electric brushing plating technology of the Ni-W-SiC non-crystal bonding coat.By the brushing plating technology it attains the non-crystal bonding coat which......
......
多媒体辅助教学刍议 () 摘要:本文在剖析当前高校多媒体教学过程中存在的不足的基础上,从多媒体特点,课堂设计,教学主体等方面探讨了如何更好地发挥多媒体技术的优势,进一步提高教学质量. 关键词:多媒体教学; 传统教学; 教学质量; [全文内容正在添加中] ......