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Statistic Analysis on Coal and Gas Outburst Accident in China Coal Mines from 2006 to 2012
Abstract:
A statistical analysis was conducted on the 182 gas accidents occurring 2006 to 2012 mainly from the two aspects of number of accidents and death toll of coal mines.By applying pie charts,bar charts,packing diagram and tendency charts,the rule of gas accidents was distinctly revealed.
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Pages:
847-852
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Online since:
February 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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