Coal Science and Technology Articles

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1Practices on Application of Bolt,Shotcrete and Wire Net Support System to Repair of Soft Roft Roadway Cross Section1-3

2Practices on Detection of High Temperature Fire Area of Underground Mine Coal Spontaneous Combustion4-7

3Technical factors of Fire Accident in Fully Mechanized Coal Mining Face of Yangquan Coal Mining Administration and Its Prevention and Control Measures8-9

4Mine Shaft Construction Technology of Zhangjie Mine10-12

5Method to Measure Space Between Bits on Cutting HeadPan Wei13-15

6Auto Spraying Dust Control Technology with Ball Vale Applied to Dynamic Loading PointWang Kaide16

7Peconstruction of Phiste Railway Balance17

8Performance Measurement and Application Results of King Cobra Roof Bolting Machine18-19

9Test of Controllable Circulated Ventilation in South Wing of Yangcun Mine20-24

10Research and Development of High Efficient Cooler for Hydraulic Roof Bolting Machine25-27

11Research and Test of Diagnosis on Abrasive Failure in Hydraulic Distributor of Oblique Axis Type Piston Pump28-30

12Measurement and Analysis of Horizontal Freezing Pressure in Metro Tunnel31-33

13Development of Azimuth Surveying Instrument of Tube and Pipe for Slop Drill Hole Declinometer34-36

14Study on New Fine Coal Screening Method37-39

15Boiler Design to Increase Heat Stability and Eliminate Heat ExplosionLiu Chunlan40-42

16Study on Rock Strata Displacement Under Repeated Longwall Coal MiningHu Bingnan43-45

17Study on Micro Structure Evolutionary Law of Loaded Loess46-49