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Abstract
This essay begins with the accurate observation and analysis of the thermodynamic parameters such as temperature, pressure, wind speed, density, moisture content, relative humidity, enthalpy and humidity KaTa degree etc. And the relationship among these figures is pointed out. By the calculation of them we acquire the changing rules of Thermodynamic parameters and the distribution of Thermal source. According to that we can get the conclusion that the newly exposed rocks and the heat dissipation of fully mechanized coal mining face's surrounding rocks are mainly heat sources in coalmines. And it gives directions for governance of heat hazard in mines
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