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Gas Emission Prediction without Testing Parameters in Puqiong Coal Mining

LUO BIN1,2,FU XUE-HAI1,2,LI YIBO3,ZHANG JUN-FAN1,2(1.College of Mineral Resource and Environment Sciences,CUMT,Xuzhou 221008,china;2.Key Laboratory of CBM Resources and Dynamic Accumulation Process(CUMT) Ministry of Education,China;3.Yunnan Coal Geology Bureau 198 geological brigade,kunming 650000,china)  
Gas emission is important to mine safety.Many prediction methods have to measured the gas parameter,complex and expensive.so we give a method based on empirical formula for gas content,analogy method and predicting method by different gas source,and verified it in Puqiong coal mining by measured data.It shows that the method have a good prediction result which is close to real situation.
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