4Selection and evaluation of the mining methods for the thick and extra-thick coal seams of the Carboniferous System in Datong mining area14-16
6Selection and design of the foundations in the subsoil with large quantities of earth backing(including gangues)20-22
7Optimized design for reconstruction and expansion(Phase 2)of the sewage treatment plant at Jidong New Village23-25
8Calculation of the drainage water hammer for the vertical shaft over 1000 m in depth and the necessary protection measures25-26
10Pre-grouting for the working face with reserved rock cap + short section of driving and lining-a method for crossing the rich aquiferous strata at vertical shaft29-31
11Supporting technology applied for the roadway driven along next goaf under mposite roof in ″three softs″ coal seam32-33
12Study and application of the support of shotcrete and bolting wire mesh for nderground chamber construction34-36
14Stability analysis and control principles of soft rock roadway bestrided over mining by isolated fully-mechanized mining face with sublevel caving40-44
15Coal mining method in the deeply inclined coal seams with hydraulic powered shield supports on single leg sustai45-48
16Mine's output capacity to be defined by available air quantity to ensure safety in coal production49-52
19Study of determination method on water infusion parameters of water Pre-infusion treating top coal in fully mechanized sub-level caving mining59-63
