Coal Science and Technology Articles

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1High efficient coal mining methods for deep inclined thin seam and medium thick seam in Sichuan Mining Area1-4

2Cause of joint failure in conveyor steel core belt and study of broken test5-7

3Simulated calculation of flotator with Excel8-10,14

4Test on pretreatment of coking wastewater with micro electrolysis method11-14

5Research on support optimization of mining gateway in inclined seam15-17

6Experimental Support study on closed support in extremely difficult maintain mine roadway18-21

7Test and research on roof pressure bearing and support zone in mining district22-24

8Development and application of fissure type high pressure jet dust controller24-26

9New problems and countermeasures of water prevention and control in state owned coal mines27-29

10Practice on combined support technology applied to construction of large cross section underground chamber in soft rock30-32

11Development and application of measurement information and production management system of nuclear scale in Dongqu Mine32-34

12Optimization of rapid excavation plan base on grey correlation analysis35-37

13Study on safety production features and law of state owned coal mines38-39

14Combined support system of bolt, shotcrete and steel mesh applied to reconstruction of belt conveyor front driven chamber40-41

15New design of skip gate open/close with inner power42-44

16Analysis and selection calculation of power distribution for T type driven motor45-47

17Application of high power electronic switch in electric control system of AC hoist47-48

18Rapid excavation of small cross section mine rock roadway49-50,55

19Technology of roadway retained for next sublevel in Kaolinite of coal series strata51-53

20Definition and control of thickness of relaxed zone around mining gateway53-55