微分

Furthermore, the main parameters influencing the asymptotic solution of the transfer process are analyzed.

该模型弥补了现有研究中关于联盟知识转移定量研究的不足，填补了用微分动力学方法研究联盟中知识转移过程的空白。

Finally, using the theory of differential inequality, the uniformly valid asymptotic expansions of solution for the original problem are obtained.

最后，利用微分不等式理论，得到了原问题解的一致有效的渐近展开式。

Thirdly, by using the differential inequalities method, the existence, uniqueness and its asymptotic behavior of solution for the problem are studied.

然后，利用微分不等式方法，研究了问题解的存在、唯一性和渐近性态。

Using the fixed point principle and the theory of differential inequality, we prove the existence of the solution and an uniformly valid asymptotic expansions of the solution is given as well.

利用不动点原理及微分不等式理论，我们证明了边值问题解的存在性，并给出了解的一致有效渐近展开式。

In this paper,through construction of an asymptotic solution,We give a necessary condition of the micro local form to local solvability of boundary value problem of pseudo differential equation with two variables.

利用微局部分析的工具，讨论了含两个变量的拟微分方程边值问题的局部可解性；通过构造渐近解的方法，给出了上述问题局部可解的微局部形式的必要条

Under suitable conditions,and by using the theory of differential inequalities, the existence and asymptotic behavior of solution for the boundary value problems are studied.

在适当的条件下，利用微分不等式理论，讨论了该边值问题解的存在性和渐近性态，给出了渐近估计式：u0-Ui0-u0(0)+O≤u≤u0+O，0≤x≤1。

This paper discuss the asymptotic properties of several types of neutral stochastic functional differential equations.

本文讨论几种类型的中立型随机泛函微分方程解的渐近性质。

In this paper,by using the comparison theorems and constructing suitable Lyapunov function, the sufficient conditions are obtained for the permanence and existence of globally asymptotically stable positive periodic solution of the system.

研究了具有反馈控制的n种群非自治周期竞争系统的持续性，利用微分不等式并构造适当的Lyapunov函数得到系统存在惟一、全局吸引的正周期解的充分条

This paper consists of three parts:We first consider the non-autonomous predator-prey system with both Beddirigton-DeAngelis functional response and dispersion. By using comparison theorem of differential equation, we study the permanance of the system. After that, by constructing suitable Lyapunov function, we obtain some sufficient condition which guarantee the existence of globally asymptotically stable almost periodic solution of the system.

本文研究三方面的内容：第一部分考虑具有扩散和Beddington—DeAngelis功能反应的捕食-食饵系统，利用微分方程比较原理得到该系统一致持续生存的条件；通过构造适当的Lyapunov函数得到了该系统存在全局渐近稳定概周期解的充分条件。

B=-3. 0 and h=0.25 a=-1. 5, b=-1. 4 and h=0.5. We see that for both the sets of data, BDF method of second order applied to delay differential equation gives an asymptotically stable solution i.

对于这两组数据而言，二阶BDF方法为延迟微分方程给出了渐近稳定解，即当n→∞时，y〓→0。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。