The differential equations of coal particle gas diffusion under the third kind boundary condition and its analytical solution have obtained on the basis of theoretical analysis.
基于理论分析建立了第三类边界条件下的煤粒瓦斯扩散方程，并给出了解析解。
The fundamental solution of the mixed problem with the third kind homogeneous boundary condition and that with the zero initial condition are given respectively.
分别给出具有第三类齐次边条件的混合问题基本解以及具有零初始条件的混合问题基本解。
It is discusses that the initial-boundary value problem under the third non-linear boundary condition for a kind of semi-linear parabolic equation.
讨论了一类半线性抛物型方程具有第三类非线性边界条件的初边值问题。
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