Notice of Retraction Study on the Influence of Pressure Change with Gas Emission in HongMiao Mine Working Face

On the basis of actual measurement of the pressure of 5-2s HongMiao mine working face and the date of the gas, the paper analyzes the sources and compositions of the gas and the law of the gas emission, obtains that atmospheric pressure changes have an impact on gas emission underground, proposes and adopts reasonable and effective control measures to ensure safety in coal mines.