本文用二维水流方程和平面热扩散方程模拟电厂温排水在浦阳江中的扩散情况。
In this paper, a two-dimensional flow equation and a thermodiffusion equation are used to simulate the diffusion feature of the cooling water drained into Puyang River by Xiaoshan Power Plant.
在二维情况下，忽略热扩散效应，利用汉克尔积分变换法和最陡下降法，求解热扩散方程和波动方程，得出了位移的解析表达式。
The thermal equation and wave equation are solved by the methods of Hankel transform and steepest descent, and the general expression of displacement is obtained.
求出了丰度方程的近似解，从而计算得到热扩散级联的长度及同位素浓缩产品的丰度。
The solutions of the differential equations are calculated, through which the length of thermal diffusion cascade and the abundance of isotope products are calculated.
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