RELATION BETWEEN "CHARACTERISTIC INDEX OF COAL" AND DANGER TYPE OF MINE GAS
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Graphical Abstract
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Abstract
There are five Danger types of mine gas in Hunan province, which could be determinated by means of "Characteristic Index of coal (Symbol:Ic) ". "Ic" is a composite Index. It can reflect the difference of the characteristic of coal of these types.The result of testing and verifying in 16 mines is satisfied on the whole.
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