Control of the Chamber in Extra-Thick Coal Seam Based on Fracture Characteristics of Coal Rock and Mass

by Yang Tai, Guozhi Lu, Hongchun Xia, Jinrong Liu, Yanqun Zhang
Published 2020-01-01

Enhanced Desilication of High Alumina Fly Ash by Combining Physical and Chemical Activation

by Yanbing Gong, Junmin Sun, Shu-Ying Sun, Guozhi Lu, Ting-An Zhang
Published 2019-04-01