Coal Science and Technology Articles

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1Comprehensive gas control in high production and high efficient fully mechanized caving face of Tangshan mine1-4

2Principle and characteristics of helix movable steel globe teeth drive5-7,10

3Determination of optimized distance between two discs for vertical series disc pipeline conveyor8-10

4Research on high efficient complex floatation agent for coal preparation11-13

5Pressure releasing and gas drainage with long bore hole in roof overburden of fully mechanized caving face14-17

6Test and research on safety mining depth applied to coal mining under building structure18-20

7Site measurement and analysis on performance of main ventilator in Wuligou Mine21-22,35

8Image analyzing Method to determine macerals of coal23-24,58

9Study on numerical simulation for calibration test of photoelastic stressmater25-27,55

10Research on heat pressed coal briquettes for fertilizer gasification28-30

11Metallography analysis and defect evaluation of main winch shaft in Cheji Mine30-32

12Completed set technology of bolt support for seam gateway applied to Lu'an Mining Area33-35

13New technology of water tank cleaning with mud pump and water jet for mud36-38

14Caving mining technology with complicated geological conditions39-40

15Spurious and poor priming apparatus affected to safety of mine production41-43

16Calculation on braking torque of mine shaft winch brake43-44

17Innovation of mine mining system in Jisan Mine45-47

18Completed dewatering technology with short bore hole sealing in deep water of mine shaft47-49

19Fully mechainzed caving mining technology and practice in No.7 and 8 combined block seam50-52

20Application and Discussion on floor arch board technology in project with water inrush and swelling soft rock53-55