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Abnormal detection in coal seam gas of the Enhong coal mine

CHEN Li~1,KONG De-hong~2 (Mathematical Faculty of Yunnan Normal University ,Kunming 650092,China; Kunming No.30 Middle School,Kunming 650031,China)  
The Yunnan Enhong coal mine is one of the main centralized sites of coal seam gas in yunnan province. We employ the trend-surface method and residual method to analyze the coal seam gas in Enhong coal mine. The purpose is to find the rich region of coal seam gas in Enhong coal mine and provide the gist to exploitation.
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