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Abstract With the constant improvement of working face unit yield, the gas emission of working face increased, which caused serious threat to safe production underground, sensor was used to conduct real time monitoring to gas density of underground mining face and other place, gas overrun monitoring alarm and the part of the power function were solved, which improved monitoring and supervision of harmful gas such as mine gas, surface domain mobile terminal alarm system could query related data and their change rule of measuring points, facilitate analysis of gas state parameters and provide reliability for safe production in mining.
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