A research on the influence of geological factors to gas discharge from No.8 un-mined solid coal seam of Baode Coal MineYinghua Lv, Shi Gang An, Wen Xu Liang, Dian Fu Chen and Wei FuE3S Web Conf., 284 (2021) 01016DOI: https://doi.org/10.1051/e3sconf/202128401016