thermal diffusion ratio 热扩散比 ; 热扩散器率
ventilation diffusion ratio 换气弥散比
thermal conversion ratiothermal diffusion ratio 热扩散比
apparent diffusion coefficient ratio 表观扩散系数比率 ; 例行表观扩散系数比率 ; 扩散系数比率
diffusion volume ratio 扩散体积分数
With this model, the pressure drop curve of well testing is interpreted, and mobility ratio, diffusion ratio, sweep radius of each area and some other parameters are solved.
利用该模型可以对火烧油层注气井试井压降曲线进行解释，并求解流度比、扩散比以及各区的波及半径等参数。
Decreasing hydraulic conductivity and diffusion coefficient may delay the increasing rate of the concentration ratio at the base of a GCL.
结果表明，减小渗透系数和扩散系数可以有效减缓衬垫底部浓度比的增加速度。
Then, the concentration under different wind diffusion condition are analysized by using ground pollution mode so that the ratio of contribution to the total pollution limit is obtained.
之后采用近地面尘降模型，计算了这类污染源在不同气象层结下的扩散状况，得出其污染浓度对大气环保浓度的分担率。
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