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大气对顿巴斯矿井煤炭自然发火有着明显的影响。二十年来,大气月平均温度、湿度、压力的变化和顿涅茨矿区井下内因火灾次数,列于下图。七月大气的月平均温度和绝对湿度最高,而其月平均气压与相对湿度最低。在大
The atmosphere has a significant effect on the spontaneous combustion of coal in the Donbas mine. Over the past two decades, changes in average monthly temperature, humidity and pressure in the atmosphere and the number of internal fires in the Donets Mine have been shown in the chart below. In July, the monthly average temperature and absolute humidity are the highest while the monthly average air pressure and relative humidity are the lowest. In big