Very Low Frequency Propagation Characteristics Analysis in Coal Mines

by Hui Zhang, Mengzhi Zhu, Xingwang Li, Weihai Han, Zhanyang Liu
Published 2020-01-01

Migration Characteristics of Boring Mud in Roadway Floor Anchor Wire Hole and Test in Coal Mine

by Hui Zhang, Weihai Han, Youlin Xu, Mengzhi Zhu, Zhanyang Liu, Zhenfeng Wang
Published 2021-01-01