ground concentration of air pollutant 大气污染物地面浓度
A new method of calculating long term mean concentration of air pollutant from area source is proposed by integrating the line source long term mean concentration model.
利用线源长期平均浓度模式对面源的积分得到了一个用风向、风速和稳定度的联合频率计算大气面源长期平均浓度的新算法。
In this model the effect of meteorological element, output and concentration of air pollutant were considered, so it's physical foundation may be more believable than pure statistics model.
在模型中既考虑了气象条件的作用，又考虑了污染排放量和起报日的污染浓度，与以往的空气污染预报统计模型相比，所依据的物理基础更可信一些。
It is necessary to get sufficient knowledge of the indoor air velocity distribution, temperature distribution, and pollutant concentration distribution.
为了更好的控制室内空气环境，必须对室内空气流速、温度、有害物浓度的分布有一定的了解。
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