Impact risk evaluation method considering coal seam thickness and coal seam impact tendency
The invention provides an impact risk evaluation method considering coal seam thickness and coal seam impact tendency, and belongs to the technical field of mine safety. The method comprises the stepsof firstly determining an impact risk evaluation object; determining the membership degree Um of the...
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Main Authors | , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
20.12.2019
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Subjects | |
Online Access | Get full text |
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