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煤层自燃是矿井防灭火工作的重点,通过对煤炭在不同的温度条件下,所检测到的气体进行分析,选取稳定性较高,能够代表特定温度的气体,作为该煤层的标志性气体,从而为准确掌握采空区内煤层自燃状况,采取科学决策提供重要依据。
Coal seam spontaneous combustion is the focus of mine fire prevention and control work. By analyzing the detected gas under different temperature conditions, the gas with high stability and ability to represent a specific temperature is selected as the landmark gas of the coal seam In order to accurately grasp the status of coal spontaneous combustion in the goaf and to provide scientific basis for decision-making.