Coal Science and Technology Articles

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1Optimized design of driving drum for mine belt conveyor1-4

2Ordovician limestone and Cambrian limestone water disasters in Z hengzhou Mining Area and its prevention and control technology4-6

3Ventilation and gas control during hydraulic powered supports moved out from fully mechanized slicing coal mining face7-9

4Practice on fully mechanized coal mining under village with deep mining depth and thick alluvium10-13

5Construction technology of bended bore hole drilling for gas drainage13-16

6Discussion on application of coal blending technology in Lingwu mining area16-18

7Optimization of ventilation system in old mine19-21

8Repair technology, monitoring and analysis for ultra soft rock failed mine roadway22-25

9Directional break blasting technology applied to improve quality of smooth blasting26-27

10Design and application of horizontal long bore hole drilling rig 28-30

11Discussion on gas comprehensive control measures for fully mec hanized high gassy coal mining face30-32

12Rebuilding of electric control system for belt conveyor in main incl ined shaft of Panxi Mine33-35

13Research on roof movement law of deep fully mechanized coal caving face36-38

14Test and analyze of tensile strength of coal in Huaibei Yangzhuang Coal Mine39-41

15Test and research on perimeter blasting result of frozen soil in mine freezing shaft42-45

16Automatic formation of underground water data with radial base function method46-49

17Relationship between fluorescence features and cokability of coking coal49-51

18Research and Discussion on main parameters of crawler hydrauli cpowe red support52-54

19Design of new hydraulic fluid valve54-55,38

20Analysis and tendency prediction of coal mine safety relativity in Kailuan Mining Area56-57