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    Three methods of determing the exchang rate between solid and liquid phases in the groundwater hydrodynamic dispersion equation
    地下水水动力弥散方程中处理固相与液相间转化量的三种方法
    A Method of Multi-element Balance for Solving Hydrodynamic Dispersion Equation
    求解水动力弥散方程的多单元均衡法
    The numerical model is shown to be very effective. Dispersion coefficients are obtained from the experimental results.
    对于一维非饱和弥散实验,提出了一种求解水动力弥散方程的数值方法,并用试算法反求了实验土样的弥散参数。
    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。
    In this paper,we use Galerkin's method to investigate the existence ofinitial-boundary value problem of quasilinear integro-differential equationsof parabolic type on an unbounded region. As an application,we get an existe-nce theorem for nonlinear hydrodynamics diffusion equation with absorptiveterm.
    本文应用 Galerkin 方法讨论一类无界区域上拟线性抛物型积分-微分方程初边值问题解的存在性,作为应用,我们得出了带吸咐项的非线性水动力弥散方程解的存在性定理。
    Spline 4 method in cubic spline functions method is used for solving water hydrodynamic dispersion equation of undergroundwater pollution, and it is compared with that of analytic solutions in one dimensional question. The result indicates that spline 4 method is an effective good method for restraint mathematical dispersion in its simulation of undergroundwater pollution.
    采用三次样条函数方法中的样条4方法,对地下水污染中的水动力弥散方程进行求解,并在一维问题中与解析解进行了比较,结果表明,样条4方法在地下水污染数值模拟中,对抑制数值弥散是一种有效的好方法。
    The classical one-domain model with convection-dispersion equation was used in thes study for describing a nonreactive solute transport in soil.
    采用一维对流-水动力弥散方程(CDE)研究了非反应性化学物质在土壤中的迁移行为。
    with the increase of aggregate size,eariy breakthrough, tailing and small peak were more pronounced by tritium breakthrough curves in soil column, best fitted D value increased as well;
    结果表明,对流-水动力弥散方程能较好地预报氚(3H2O)的穿透曲线和迁移行为,随着团聚体由小变大,3H2O在其土壤中的穿透曲线的溶质出流提前,而淋洗结束推迟,峰值变小,最佳拟合D值由小变大。
 

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