It is shown that cubic spline method is effective for restraining numerical dispersion in numerical simulation of hydrodynamic dispersion equations with radioactive decay.
结果表明，三次样条方法在带有放射性衰变的水动力弥散方程的数值计算中，对抑制数值耗散是一种有效的方法。
The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.
条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果；
Under certain conditions, the effect of hydrodynamic dispersion is relatively weak, so that an abrupt interface approximation can be used in studying seawater intrusion in coastal aquifers.
在一定条件下，水动力弥散作用较弱时，可应用突变界面模型来研究滨海含水层的海水入侵。
The breakthrough curves for heavy metals of solidification sludge were obtained by flexible-wall permeameter and the hydrodynamic dispersion parameters were acquired by genetic inverse method.
采用柔性壁渗透仪获得了固化污泥中重金属的穿透曲线，并采用遗传算法反演了固化污泥的水动力弥散参数。
The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media.
试验结果表明：水动力弥散和混合电子受体条件下的土著微生物降解是乙醇和单环芳香烃(BTEX)自然衰减的主要过程。
The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media.
试验结果表明：水动力弥散和混合电子受体条件下的土著微生物降解是乙醇和单环芳香烃(BTEX)自然衰减的主要过程。
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