instantaneous concentration heat source 瞬时集中热源
Instantaneous concentration field 瞬态浓度场
optimum instantaneous concentration 理想瞬时浓度
pollutant instantaneous concentration 污染物瞬时浓度
environmental instantaneous concentration 环境瞬时浓度
instantaneous molal concentration 瞬时摩尔浓度
instantaneous molar concentration 瞬间莫耳浓度
concentration instantaneous 瞬间
By this method the untouched, unsteady, instantaneous concentration field has been measured.
并利用该方法对烟雾扩散的非定常瞬态积分浓度场进行了实际测量。
Thus, the monitoring values obtatined can only represent the instantaneous concentration of pollutant.
监测值是瞬时浓度值，测次愈少代表性愈差。
Based on the model test, the instantaneous concentration and velocity images in different temperatures and scales are put forwarded. And the range, shape and trend of diffusion are acquired.
本文结合模型试验，得出了不同温升及变率下表面横向浮射流的瞬时浓度场和流速场，进而分析得出随着温度及变率的变化浓度场的扩散范围、形态特点和趋势。
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