#Jianfeng Zha


Study the impact of 9310 working face mining on −670 water sump

开采损害及防护研究所 , 中国矿业大学(徐州)

Numerical simulation of water seepage in over broken rock mass of gob

开采损害及防护研究所 , 中国矿业大学(徐州)

Influence of temperature and humidity on similar material and its control measures

开采损害及防护研究所 , 中国矿业大学(徐州)

Evaluation Method of Surface Subsidence Degree for Underground Coal Gasification without Shaft

开采损害及防护研究所 , 中国矿业大学(徐州)