共搜索到4998条信息，每页显示10条信息，共500页。用时：0小时0分0秒730毫秒
......
J. Cent. South Univ. (2021) 28: 89-99 DOI: https://doi.org/10.1007/s11771-021-4588-y Kinetic model research on drying characteristics of artificial magnetite green pellet ZHANG Han-quan(张汉泉)1, LIU... airflow speed and diameter of green pellet on drying rate of artificial magnetite pellet were deeply investigated to clarify the drying characteristics of artificial magnetite green pellet......
A decision hyper plane heuristic based artificial immune network classification algorithmDENG Ze-lin(邓泽林)1, 2, TAN Guan-zheng(谭冠政)1, HE Pei(何锫)2, YE Ji-xiang(叶吉祥)1, 2(1. School of Information..., a decision hyper plane heuristic based artificial immune network classification algorithm (DHPAINC) is proposed. DHPAINC taboos the inner regions of the class domain, thus, the antibody generation is limited......
Effect of Lanthanum on Driving Force for Cu6Sn5 Growth and Improvement of Solder Joint Reliability 钱乙余1,马鑫2 (1.National Key Laboratory of Welding, Harbin Institute of Technology, Harbin 150001..., the growth of Cu6Sn5 intermetallic compound at the interface of solder joint is hindered, and the thermal fatigue life of solder joint is increased by 2 times. The results of thermodynamic calculation......
J. Cent. South Univ. (2021) 28: 712-727 DOI: https://doi.org/10.1007/s11771-021-4640-y Dynamic modelling and properties analysis of 3RSR parallel mechanism considering spherical joint clearance... in kinematic pair have an effect on the dynamic characteristics of the mechanism. Therefore, we established the dynamic model of a 3RSR (R is the revolute joint and S is the spherical joint) parallel......
J. Cent. South Univ. (2020) 27: 210-220 DOI: https://doi.org/10.1007/s11771-020-4289-y Model test to investigate reasonable reactive artificial boundary in shaking table test with a rigid container... results, especially the artificial boundary perpendicular to the excitation direction. On the basis of numerous studies, shaking table tests with four different typical boundaries are performed......
) Abstract: Shear tests of artificial granite joints under different normal stresses were conducted with RYL-600,and the curves of shear stress versus shear displacement under different normal stresses... and shear strength were studied experimentally. Based on the experiment, the undulating characteristics of joint surfaces were analyzed. Barton criterion modification was made by considering undulating......
J. Cent. South Univ. (2018) 25: 107-120 DOI: https://doi.org/10.1007/s11771-018-3721-z An enhanced artificial bee colony optimizer and its application to multi-level threshold image segmentation... artificial bee colony optimizer (MABC) is proposed for image segmentation by using a pool of optimal foraging strategies to balance the exploration and exploitation tradeoff. The main idea of MABC is to enrich......
J. Cent. South Univ. Technol. (2010) 17: 715-719 DOI: 10.1007/s11771-010-0545-x Effects of aging parameters on hardness and electrical conductivity of Cu-Cr-Sn-Zn alloy by artificial neural network... of Cu-Cr-Sn-Zn alloy, a model of aging processes via an artificial neural network (ANN) method to map the non-linear relationship between parameters of aging process and the hardness and electrical......
Influences of fine pitch solder joint shape parameters on fatigue life under thermal cycle HUANG Chun-yue(黄春跃)1, 2, WU Zhao-hua(吴兆华)2,HUANG Hong-yan(黄红艳)2, ZHOU De-jian(周德俭)2 (1. School of Electro...) Abstract: The solder joint reliability of a 0.5mm lead pitch, 240-pin quad flat package(QFP) was studied by nonlinear finite element analysis(FEA). The stress/strain distributions within......
