Safety in Coal Mines Articles

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1Indirect Measurement and Curve-drawing of Natural Wind-pressure3-5

2Transforming the Supporting Mode of the Methane Tailgate for Ensuring the Safe Production in the Stoping Period5-8

3Application of Gel Fire-preventing and Fire-fighting Technology to Sijiaoba Mine9-10

4Application of Rotary Air-reversing Apparatus to Liufin Coal Mine11-12

5Hazard of Statics and the Protective Technology Used in Production of Detonators15-17

6The Finite Element Calculation of the Shaft-wall Thickness in Soft Strata of Gushan Coal Mine19-21

7Application of the Single Hydraulic Prop Lengthening Technology to Liuzhuang Loal Mine24-25

8Regulation of Winder Disk Brakes26-29

9Cause Analysis and Countermeasures for the Air-reversing of the Secondary Shafe in Cheji Coal Mine30-31

10An Attempe and Analysis of Using SF6 Tracing Gas for Measuring the Coal-bed Methane Flowing State37-38

11The Automatic Monitoring and Controlling Appraratus for Dealing with the Face upper Corner Methane Problem39-41

12Application of the Network System to "One Ventilation and Three-preventions" Management49-50

13Causes and Countermeasures for "Three-Violations" in Jail Coal Mines52-54

14An Elementary Analysis of the Countermeasures for the Safety Technology Training in Coal Mines under New Situation61-63