Coal Geology & Exploration
Volume 50, Issue 11 (2022)
Table of Contents
Table of Contents
The Editors
Special Issue Articles
Key technologies and equipment of quickly and safely building life support and rescue channel in mine disaster
TIAN Hongliang, ZOU Zujie, HAO Shijun, CAO Ming, ZHOU Guanghua, HUANG Yong, GU Hairong, and WANG Lei
Key technologies of surface efficient life support hole forming for mine rescue
ZHANG Biao, KANG Yuguo, HUANG Yong, ZHANG Ming, ZHOU Guang, REN Yingju, LIU Jianlin, GAO Ke, and ZHAO Yan
Application of pneumatic DTH hammer in drilling rescue of mine accidents
ZHAO Jiangpeng and HAO Shijun
Development of rescue truck-mounted drilling rig in ground emergency
FAN Dong, ZOU Zujie, WANG Ruize, LU Feifei, LIU Qi, and WANG Hejian
Research progress of lifting equipment for large-diameter borehole rescue
GU Hairong, SHAN Zenghai, WANG Longpeng, SHAO Tao, ZOU Zujie, and GAO Ziyu
Research on key technology of pipe jacking drilling equipment for large-diameter rescue borehole of coal mine
WANG Lei, ZHU Yuqin, ZHANG Weina, LIU Hao, ZHAO Wenbo, YANG Chuang, and WANG Guanxiong
Adaptive electro-hydraulic system of ZMK5550TZJF50/120 truck-mounted drilling rig with WOB adaptive control function
CHANG Jianghua, ZHAO Liang, LU Feifei, WANG Longpeng, and YANG Jiangbo
Research and application of synchronous self-balancing feed system for rescue truck-mounted drilling rig
ZOU Zujie, TIAN Hongliang, LIU Qingxiu, CHANG Jianghua, LIU Qi, and ZHU Guodong
Theory and experiment of the dual-bit torque self-balancing drilling system for rescue drilling
GAO Ke, ZHANG Cong, ZHAO Yan, LI Xu, WEN Yumin, LYU Xiaoshu, and XIE Xiaobo
Research and application of multi-source information detection technology for drilling rescue of mine
ZHENG Xuezhao, SUN Ziyu, GUO Jun, ZHANG Duo, CHEN Gang, and HE Qinjian
Coal-measure Gas, Coal-hosted Minerals
Key pretreatment technologies for coalbed gas bioengineering and review on their mechanism of action
BAO Yuan, CHANG Jianing, LIU Xiangrong, XIA Daping, and WANG Yaya
Formation mechanism of coalbed methane in Dafosi mine field, Huanglong coalfield
LIU Kaide, YAO Kaiwen, CHEN Nengyuan, FAN Zhangqun, LI Shujia, ZHENG Han, YUE Wenping, and LI Xiaolong
Distribution characteristics of trace elements in different density fractions of high-germanium coal from Wulantuga, Inner Mongolia, China
DUAN Piaopiao, WANG Wenfeng, and MA Mengya
Hydrogeology, Engineering Geology, Environmental Geology
Main influencing factors for regional pre-grouting technology of water hazard treatment in coal seam floor and efficient hole arrangement
HU Weiyue, ZHAO Chunhu, and LYU Hanjiang
Occurrence characteristics and ecological risk assessment of heavy metals in fly ash of Ningdong Energy Chemical Industry Base
ZHANG Zhiguo, TAN Yuning, HU Youbiao, ZHENG Yonghong, CHEN Denghong, CAI Weiqing, LI Yating, and LU Jiangwei
Quantitative experimental study on time-varying characteristics of bleeding of cement-based grouting materials
ZHANG Runqi, XU Bin, YIN Shangxian, LI Shuxia, CHANG Yongwang, LIAN Huiqing, and CAO Min
Heat conduction performance and transfer mechanism of sand-barite powder backfill materials
JIA Hailiang, ZHU Zixian, ZHOU Yang, and SUN Qiang
Coal Geophysical Exploration, Mine Geophysical Exploration
Digital twin technology of geological information in mining and excavation working face
LI Peng and CHENG Jianyuan
Tomography method for adjacent channel frequency shift of transmitted in-Seam waves
TIAN Han, WU Rongxin, HU Ze’an, and YANG Qiaonan
Subgrade subsurface anomalous body full-waveform inversion based on ground-penetrating radar
HU Leilei, CHEN Kang, HUANG Dejun, and YANG Rong
