通过将该半解析解与忽略扩散的数值解进行对比分析，讨论了数值弥散代替物理扩散的条件。
Then this paper studied the effect of diffusion coefficient on concentration distribution and the conditions of substitution with numerical dispersion for physical diffusion.
在井巷紊流传递过程中，纵向弥散系数远远大于紊流扩散系数。
In mine mass transfer the longitudinal dispersion coefficient is by far greater than the turbulent diffusion coefficient.
磁共振扩散加权与弥散张量成像作为磁共振成像新技术已经应用于临床。
As new technologies of magnetic resonance imaging, diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) have been applied in clinical diagnosis.
紊流扩散和纵向弥散是两个不同的物理概念。
Turbulent diffusion and longitudinal dispersion are two different physical concepts.
弥散主要包括分子扩散和渗透分散。
Dispersion also includes molecule diffusion and saturated disperse.
烧焦管内颗粒的扩散由弥散颗粒扩散和颗粒团扩散组成。
The particle diffusing mechanism in the riser could be explained by the dispersions of dispersed particle and cluster.
各期病灶表观扩散系数值及在弥散加权成像上信号不同。
The signals on ADC value and DWI of the focus were different in various stage.
各期病灶表观扩散系数值及在弥散加权成像上信号不同。
The signals on ADC value and DWI of the focus were different in various stage.
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