Safety in Coal Mines Articles

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1Discussion on Carrying out Law Work of Coal Mine Safety Supervisory and Administ ration1-4

2Study on Coal and Methane Outburst Predication Sensitive Index and Critical Value 7-9

3A New Formula for Cakutating Ventilating Pressure Created by the Fire9-12

4Comprehensive Controlling for Methane from Upper-corner in Gassy Fully Mechanized Face13-14，52

5Methane Management in Fully Mechanized Face of N271215-16

6Methane Emission Law and Preventive Measure in Blast-winning Face19-20

7Hard Roof Controlling in Gassy Coal Mine and Methane Preventive Measure21-22

8Improving Electric Machine Design Using Value Engineering Theory23-25

9Judgment and Testing For Electric Cable Faults26-27

10Discussion on Calculation Method for Drivage Air Quantity28-29

11Application and Development of Steel Rope Guide30-30，43

12Status Analysis of Fire Air Flow of Belt-conveyor in Zhaogezhuang Coal Mine31-33

13Analysis for System with Earthed Neutral in Electric Network34-36

14Development of KJFT-4 Methane Circuit Breaker42-43

15A Kind of Sensitive and Reliable Tilting Prevention Device in Inclined Shaft (44) Development of Silo Flange Design46-47

16Analysis for Fire Reasons and Preventive Measures in Roof- Caving51-52

17Considerations on Improving Safety Training Quality55-56

18The Latest Information on Certification of Coal Mine Safety Products57-60