By using the special test function, we discuss the establishing of conservation law of the first boundary value problem of infiltration.
运用取特殊检验函数的方法，建立了渗流方程第一边值问题解的守恒律。
In this paper, moment method is used to deal with the first boundary value problem of one dimensional wave equation with stochastic initial and boundary conditions.
本文使用矩方法处理了具有随机初始条件的一维波动方程的第一边值问题。
The present paper provides a class of quasilinear pseudohyperbolic equation of the existence of classical solutions of the first boundary value problem under some suitable structure conditions.
在一定条件下，证明一类拟线性伪双曲方程的第一初边值问题古典解的存在性。
In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems.
摘要利用锥上的不动点指数研究了一阶非线性常微分方程组的周期边值问题。
By using the fixed point theorem on cone, this paper studies the existence of positive solutions for first order periodic boundary value problem with impulses.
利用锥上的不动点定理讨论了一阶脉冲微分方程周期边值问题的正解的存在性。
In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems.
利用锥上的不动点指数研究了一阶非线性常微分方程组的周期边值问题。
The solvability was considered for a class of third-order two-point boundary value problem with first and second derivatives.
讨论了一类非线性项含一阶和二阶导数的三阶两点边值问题的可解性。
First. using Fourier's transformation, the 3-D boundary value problem of electric field of point source on a 2-D anisotropic geoelectric section is converted into a 2-D boundary value problem.
首先，用付氏变换将点源二维各向异性地电断面的三维边值问题转变成二维边值问题；
First. using Fourier's transformation, the 3-D boundary value problem of electric field of point source on a 2-D anisotropic geoelectric section is converted into a 2-D boundary value problem.
首先，用付氏变换将点源二维各向异性地电断面的三维边值问题转变成二维边值问题；
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