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- Analytical solutions of atmospheric diffusion equation with multi sources from roads 机动车多点源排放空气污染物浓度解析模式
- atmospheric diffusion equation 大气扩散方程
- The spatial-temporal distributions of SO2 in Benxi region is simulated using the method of difference for solving the 3D equation of the atmospheric diffusion. 摘要用差分方法求解三维大气平流扩散多源方程,模拟了本溪地区SO2浓度的时空分布。
- The model consists of a single advection?diffusion equation with a source term. 此模型由一个单一的具有源项的对流扩散方程组成.
- The equation of atmospheric diffusion 大气扩散方程
- The solution of the diffusion equation can be used to simulate the evolution of some kinds of scarp slopes. 摘要扩散方程可以用来模拟某些坡地演化形态。
- The Pattern Recognition and computer prosessing of plume negtive is Applied in the study of Air-polution and Atmospheric Diffusion. 在空气污染,大气扩散研究中首次应用了图象识别及计算机处理、并获得满意的结果。
- The other type of initial value problem of interest for us is the diffusion equation. 另一类我们感兴趣的初值问题是扩散方程。
- In this paper, we make a study on sampling interval revision of atmospheric diffusion parameter in concentration prediction of atmospheric environmental impact assessment. 就大气环境影响评价浓度预测中,对大气扩散参数取样时间订正问题进行了说明和讨论。
- The form solution to the Mixed Problem of one dimension inhomogeneous diffusion equation was given through the method of undetermined function. 摘要利用待定函数法给出了一维非齐次扩散方程混合问题的形式解。
- The properties of solution to a class of quasilinear degenerate parabolic system coupled via three nonlinear diffusion equation are considered. 摘要研究了由三个拟线性退化抛物型方程通过非线性项耦合而得到的一类拟线性退化抛物方程组解的性质。
- RICHARD C.HASKELLI,Lars O.Svaasand,et al.,Boundary conditions for the diffusion equation in radiative transfer[J].J Opt Soc Am A 1994,11(10):2727 2741. 张睿;刘小林;鲍鸿吉;等.;边界条件对生物组织漫射光时域模拟计算的影响[J]
- A perturbational finite volume (PFV) method for the convective diffusion equation is presented in this paper. 在有限体积(FV)方法的重构近似中;引入数值摄动处理;即把界面数值通量摄动展开成网格间距的幂级数;并利用积分方程自身的性质求出幂级数的系数;同时获得高精度迎风和中心型摄动有限体积(PFV)格式.
- The diffusion equations are derived by the Chapman Enskog method. 该模型满足流体质量扩散方程和运动方程。
- This paper deals with the periodic optimal control governed by a degenerate nonlinear diffusion equation. 摘要研究由退化非线性扩散方程所支配系统的周期最优控制问题。
- This algorithm using wavelet coefficient to approximates the diffusion function of the nonlinear diffusion equation. 该方法用小波系数估计非线性扩散方程的扩散函数。
- The continuum equation for tumor cell and the diffusion equation for nutrients and inhibitor are established. 建立肿瘤细胞相的连续胜方程与营养、抑制因子的扩散方程。
- This paper concerns with the initial and boundary value problem for a nonlinear diffusion equation with degeneracies. 摘要研究具退化性的一类非线性扩散方程的初边值问题。
- A variational formula combining mixed finite element method with discontinuous finite element method is derived for solving the two-group neutron diffusion equation in 2D. 摘要构造了求解二维两群中子扩散方程的混合间断有限元格式,研制了相应的计算程序。
- Based on the diffusion equation, the transition probability density of stock prices is calculated by means of the Monte-Carlo method. 摘要在扩散方程对股价运行描述的基础上,用蒙特卡罗方法得出未来某一时刻股价转移概率密度的数值解。