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《West-China Exploration Engineering》 2006-11
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Application of Recovering Triangle Coal and Increasing Recovery in Xinli Mine

MA Zeng-xu,JING Qin,LEI Bo-lin,LIU Hui-peng(China University of Mining & Technology,Beijing 100083,China)  
when extracting coal prior to the stop line,the upper and lower entries are often not in-step.The new stopping methods,or pseudo-declivity mining,upper entry forging ahead and lower entry forging ahead extraction methods,are adopted to recover triangle coal for the purpose of reducing the loss of coal and enhancing the recovery ratio,which has ensured to reduce the loss amount of coal to the minimum and raised economy benefits for Xinli mine.
【CateGory Index】: TD823.9
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