Using the multi-frequency technique to detect water-bearing strcture in the roof and floor of coal seam
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Graphical Abstract
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Abstract
We find a kind of technique that could determine the depth of the water-bearing structure in the roof and floor of coal seam using the multi-frequency technique to calculate and to analyse some data got from a coal mine. This technique demonstrate the way to research the location of the water-bearing structure in the roof and floor of coal seam.
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