2On time monitoring and measuring technology before water inrush disaster occurred from floor of No.9103 coal mining face in Dongpang Mine4-7,3
4Study on relationship between viscosity of coal water mixture and dynamic potential on coal particle surface12-14
8Element method measurement and analysis on gas resources and gas distribution in fully mechanized coal mining face23-27
10Comprehensive prevention and control technology of water from sandstone crack of coal mining face roof30-32
11Analysis on underground pressure law of mine bolt/steel mesh supported roadway in closed distance seam group33-35
12Comprehensive analysis and rapid treatment technology for water inrush disaster in Qidong Coal Mine36-38