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。
The ratio of the square of certain concentration gas diffusion depth and diffusion time is constant when it diffuses and reacts through the solids bed.
一定浓度的气体通过固体颗粒层扩散-反应时，其扩散深度的平方与扩散时间的比值为常数。
Irradiance based method substitute the measured ratio of diffusion to global irradiance to the aerosol scatter computed by radiance transfer code.
辐照度基法定标采用实际测量的漫射与总辐射比来代替辐射传输计算的气溶胶散射。
The mixture ratio of C40 Marine high performance concrete is optimized through test of the hydration heat of binding material, slump, chloride ion diffusion coefficient, anti-crack rand of concrete.
通过测试胶凝材料水化热、混凝土的坍落度和氯离子扩散系数、抗裂等级等性能，对C40海工混凝土的配合比进行了优化设计。
The finite diffusion model of CME was established, the activity coefficient ratio, the diffusion coefficient correction factor and the kinetic parameter were introduced and evaluated.
建立了CME的有限扩散理论模型，引入了活度系数比、扩散系数校正因子及动力学参数等。
There are many factors which affect the mixing of microfluidic, such as the inlet velocity, diffusion coefficient, depth-width ratio, and so on.
影响微流体混合的因素有很多，如入口速度、扩散系数、深宽比等。
Red blood cell with a biconcave disc shape is to provide a large surface area to volume ratio to facilitate the diffusion of gases.
红血球的双凹面圆盘形可以增加它的表面积，以利气体的扩散。
In this paper, four different ratio groups of concrete specimens are tested, using NEL method which is based on ion diffusion and electrical migration.
配制四组不同混凝土配合比的试件，采用基于离子扩散和电迁移提出的NEL法对饱盐混凝土试件的氯离子扩散系数进行测定。
In all lesions, the signal intensity ratio was generally lower on exponential diffusion coefficient images compared with that on diffusion-weighted images.
所有病灶在指数扩散系数像上的信号强度比率要比扩散加权像减低。
The analysis shows that the ratio between diffusion parameters based on on site measurement and that recommended by IAEA is about 3.0.
分析结果表明，根据大气扩散参数实测值给出的结果是基于IAEA推荐扩散参数给出结果的3倍左右。
The analysis shows that the ratio between diffusion parameters based on on site measurement and that recommended by IAEA is about 3.0.
分析结果表明，根据大气扩散参数实测值给出的结果是基于IAEA推荐扩散参数给出结果的3倍左右。
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