PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION

PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(3): 41-45.

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PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(3): 41-45.

Citation:

PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(3): 41-45.

PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION

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Chi square test and Mann-whitney test were used to screen water inrush possibilities.The probabilily data were used for first time to predict water inrush possibilities.

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PREDICTION OF MATER INRUSH POSSIBILITIES IN A TEST EXCAVATION IN-50 LEVEL IN NO.1 MINE OF HEBI COAL ADMINISTRATION

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