微分

Chapter 2 introduces the basic theories and preliminaries of impulsive differential equation and boundary value problem.

第2章给出了脉冲微分方程及其边值问题的基本理论和相关知识。

In Chapter 3, the existence of multiple positive solutions of two-point boundary value problem are researched.

第三章研究几类两点非线性微分方程边值问题正解的多解性。

This paper considered the existence of solutions to boundary value problem of several kinds of nonlinear sys...

本文利用锥理论，不动点理论，Krasnoselskii不动点定理等研究了两类奇异微分方程非线性边值问题解的情况，得到了一些新成果。

The existence of three positive solutions for boundary value problem of third order differential equation is studied.

证明了几个新的最大值原理，并利用这几个新的最大值原理证明了两类三阶微分方程边值问题解与正解的存在性。

In this paper we will study the uniqueness of weak solutions of the first boundary value problem for a degenerate parabolic equation.

本文研究了一类具有退化性的抛物型偏微分方程的第一边值问题的弱解的唯一性。

In this paper a two2point boundary value problem for a system of singularly perturbed ordinary differential problems is considered.

讨论奇摄动常微分方程系统的二点边界值问题，这是奇摄动问题中较难的部分。

At last we apply the results to a kind of fourth order elliptic boundary value problem and Duffing equation.

最后我们将所得结论应用到一类四阶椭圆型微分方程和Duffing方程，给出了它们的解存在唯一的一些结果。

In this paper ,these two methods are employed to consider three kinds of singular perturbation boundary value problems .

本文主要运用这两种方法考虑三种类型的微分方程奇摄动边值问题。

Green function is an important tool in the study of boundary value problems of ordinary differential equations.

0引言Green函数是研究非线性常微分方程边值问题的一个重要工具。

In the second chapter, the author studies the boundary value problems of three-order functional differential equation.

本文在第二章中，主要就三阶泛函微分方程边值问题的讨论，对其正解的存在性给出了充分判据。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。