共搜索到11762条信息,每页显示10条信息,共1177页。用时:0小时0分0秒485毫秒
. On the supplementation of magnesium and usage of ultrasound stirring for fabricating in situ TiB2/A356 composites with improved mechanical properties [J]. Metallurgical and Materials Transactions A, 2018, 49: 5585-5598......
J. Cent. South Univ. (2021) 28: 454-480 DOI: https://doi.org/10.1007/s11771-021-4615-z TBM tunneling in extremely hard and abrasive rocks:Problems, solutions and assisting methods ZHENG Yan-long(郑彦龙)1, HE Lei(何磊)1, 2 1. School of Civil Engineering, Southeast University, Nanjing 211189, China; 2. N......