发现污染物在土壤中的质量浓度分布与渗流速度、作用时间、扩散系数等有关。
The results showed that the intensity distribution had relation with the velocity of percolation, time, coefficient of convection and diffusion.
从煤层甲烷产出机理入手，分析了影响煤层甲烷解吸、扩散和渗流过程的因素。
Starting with the mechanism of CBM production, this paper analyzes the factors that affect the processes of coalbed methane desorption, diffusion and percolation from coal seams.
讨论具有一般形式的对流项、扩散项、边界流项以及反应项的一维牛顿渗流方程初边值问题非负解的整体存在性。
The present paper studied the global existence of nonnegative solutions of one-dimensional Newtonian filtration equation with more general boundary fluxes term, reaction, diffusion and convection.
本文从流体扩散能量迭加原理出发，建立了裂隙岩体介质的渗流张量解析表达式。
Based on the principle of fluid diffusion energy superposition, an analytical expression formula of seepage tensor in the fractured rock mass medium is established.
氧化铜矿石的浸出过程主要受浸出剂与溶出物在矿石中的渗流与扩散速度的影响。
The process of leaching depends on the seeping and diffusing velocity of leaching agent and resultant.
采用对流扩散方程并且考虑渗流作用的影响，研究了缓流水体底泥污染物对周围土层的影响。
This article studied the convection and diffusion of polluted materials in soil using convection and diffusion equation considering the effect of percolation.
采用对流扩散方程并且考虑渗流作用的影响，研究了缓流水体底泥污染物对周围土层的影响。
This article studied the convection and diffusion of polluted materials in soil using convection and diffusion equation considering the effect of percolation.
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