Methane Seepage Characteristics in Coal Seams under Microwave Radiation.

A comparison of the four groups of experimental data revealed a decreasing trend in the curve.

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However, owing to the setting of model boundary conditions, the total amount of gas in the coal seam was fixed and the content of gas in the coal seam gradually decreased with an increase in radiation time; accordingly, the seepage velocity curve showed a trend of initially increasing and subsequently decreasing.

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