3Discussion on calculation methods of chain pre-tension and tensioned chain force for scraper conveyorDesign and Technology10-11
4Issues on determination of B class allocation standard for new version of "Design Code of Fire Extinguisher allocation in Building"Design and Technology12-15
5Design on new optical fiber current sensor to measure current in deep mineDesign and Technology15-17
10Coal bunker construction technology of mine main shaft and construction period controlConstruction Technology29-31
11Analysis on suitability of hydraulic powered support in steep inclined coal mining faceConstruction Technology31-34
12Support technology and construction of gateway retained along goaf sideConstruction Technology35-37
13Application of bolt shotcreting and grouting combined support technology to construction of mine ultra soft rock roadwayConstruction Technology38-40
14Construction and support technology for mine roadway in broken soft rockConstruction Technology40-42
16Design and application of civil grid reinforced retaining wall in industrial park of mineConstruction Technology45-47
17Research on pilot detection method for mine roadway driving in Wangjiazhai MineProduction Experience48-51
18Mining technology of fully mechanized longwall mining face in steep inclined island seam with soft roof,coal and floorProduction Experience51-53
19Research on key technology of fully mechanized coal mining face with high cutting height to pass through abandoned gatewayProduction Experience54-56
20Research on rapid heading technology of seam and rock gateway under low water bearing roof conditionProduction Experience56-58
