4Ground behavior law and optimized parameters of support in gateway of fully mechanized caving face driving along next goaf10-13
8Application of 3.3 kV power supply system to high production and high efficient coal mining face23-25
12Test and research on coke powder activated and ascidificated to treat biochemical waste water from coking plant35-37
13Study on medium and small structure distribution law and mining relationship in Pingdingshan No. 13 Mine38-41