共搜索到7138条信息，每页显示10条信息，共714页。用时：0小时0分0秒499毫秒
Correlations between IMC thickness and three factors in Sn-3Ag-0.5Cu alloy system MENG Gong-ge(孟工戈)1, T. Takemoto2, H. Nishikawa2 1. College of Materials Science and Engineering, Harbin... content, soldering temperature and time on the IMC thickness in Sn-3Ag-0.5Cu and Sn-3Ag-0.5Cu-0.2Co alloys were researched using uniform design method and computer programs. For each alloy, the factors......
J. Cent. South Univ. (2019) 26: 955-969 DOI: https://doi.org/10.1007/s11771-019-4063-1 An attribute recognition model for safe thickness assessment between concealed karst cave and tunnel HUANG Xin... model for safe thickness assessment between a concealed karst cave and a tunnel is established based on the attribute mathematic theory. The model can be applied to carrying out risk classification......
, REID J E. Direct helicopter EM: Sea-ice thickness inversion assessed with synthetic and field data[J]. Geophysics, 2007, 72(4): F127-F137. [7] DANIEL S. An Overview of helicopter time-domain em..., 2012, 27(3): 1152-1158. [11] ZABALETA M, BURGUETE E, MADARIAGA D, et al. LCL grid filter design of a multi-megawatt medium-voltage converter for offshore wind turbine using SHEPWM modulation[J]. IEEE......
J. Cent. South Univ. (2016) 23: 2364-2372 DOI: 10.1007/s11771-016-3295-6 Safety thickness analysis of tunnel floor in karst region based on catastrophe theory YANG Xiao-li(杨小礼), XIAO Hai-bo(肖海波.... The expressions of critical safety thickness were derived with necessary and sufficient conditions. The method was applied to the practical engineering. Some parameters related to the stability were......
Coating thickness control in continuously fabricating metallic glass-coated composite wiresBao-yu Zhang,Xiao-hua Chen,Zhao-ping Lu,Xi-dong HuiState Key Laboratory for Advanced Metals and Materials.... The effects of processing parameters, including the drawing velocity and coating temperature, on the coating thickness were investigated. It is found that the coating thickness increases......
X射线测厚影响因素分析,技术进展及其在冶金工业中的应用(上)马竹梧1(1.北京市冶金自动化研究设计院)摘 要:主要叙述X射线测厚仪的工作原理,分析射线强度,统计误差以及被测物的材质,温度,表面附着水层,倾斜角度等对测厚精度的影响及其克服方法.叙述包括X射线管,检测元件,控制电路,测量方式以及计算机应用等的进展.最后介绍X射线测厚仪的组成,主要性能的实例和在国内的使用情况,说明建立X射线测厚仪产业的必要性并给出建立方法的建议.关键词:X射线测厚仪； 厚度控制； 板形......
J. Cent. South Univ. Technol. (2010) 17: 899-905 DOI: 10.1007/s11771-010-0574-5 Effects of thickness and elastic modulus on stress condition of fatigue-resistant coating under rolling contact... thicknesses and elastic modulus ratios of coating to substrate were introduced, and the effects of thickness and elastic modulus ratio on the stresses were addressed. The calculation results show......
Formation mechanism and modulation of electromagnetically induced transparency-like transmission in side-coupled structuresYANG Hui(杨辉)1, LI Hong-jian(李宏建)1, 2, XU Xiu-ke(许秀科)1, HE Zhi-hui(何智慧)1, WANG Yun(王云)1, XU Guo-jun(徐国均)1(1. School of Physics and Electronics, Central South University, Changsha 410083, China;2. School of Materials Science and Engineering, Central South University, Changsha......
Epitaxial growth of MOCVD-derived YBCO films by modulation of Cu(tmhd)2 concentrationJie Xiong1,2,Fei Zhang1,2,Xin Liu1,2,Rui-Peng Zhao1,2,Xiao-Hui Zhao1,2,Bo-Wan Tao1,21. School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China2. State Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science......
Characteristics of shell thickness in a slab continuous casting moldDi-feng Wu1) ,Shu-sen Cheng1) ,and Zi-jian Cheng2) 1) School of Metallurgical and Ecological Engineering,University of Science... in the continuous casting process is to control shell thickness in the mold. A numerical simulation on the turbulent flow and heat transfer coupled with solidification in the slab mold using the volume......
