The experimental data show that the inner surface temperature distributions of the testing room are affected lightly by ventilation process.
实测结果表明，尽管冬季供暖通风带走大量热量，但对墙体壁面温度影响较小。
A mathematical analysis was conducted for the ventilation process in the space of mining area underground and the differential equations were derived.
对井下采场空间的通风过程进行了数学分析，导出了通风微分方程序。
Tunnel ventilation process is approximately a system of time lag of first order, real time control of wind pressure in tunnel pipe is adopted self-tuning fuzzy PID.
隧道通风过程可近似认为是一个一阶时滞系统，系统采用自整定模糊pid对隧道管网的风压进行实时控制。
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