查询词典 impulsive

A class of systems of impulsive delay parabolic partial differential equations with nonlinear diffusion coefficient is considered.

考虑一类具非线性扩散系数的脉冲时滞抛物型偏微分方程组，利用Green公式、垂直相加法和脉冲时滞微分不等式，获得了该类方程组在Robin边值条件下所有解振动的充分判据。

From the thinking about my experience , from the thinking about the world full of impulsive, unfairness, passiveness and pain, etc, from the thinking about my personal value.

从我对生活的经验中，从我对周围世界充满虚伪、不公、压迫和苦痛中，从我对自己的人生价值的思考中，我想我要走一条坚定的哲学之路。

Finally, the existece of periodic solution for the impulsive management is also discussed.

最后讨论进行脉冲收获和管理的周期解存在性问题。

In Chapter 3, a classical periodic Lotka-Volterra predator-prey system with impulsive effects are investigated.

第三章提出并系统地研究了具脉冲效应的周期Lotka-Volterra捕食-被捕食系统，分析了系统的各种正解的动力学行为。

In Chapter 4, the effect of impulsive perturbation on predator-prey models is investigated.

第四章讨论脉冲干扰对捕食模型的影响。

In Chapter 2, by using a class of piecewise continuous Lyapunov function and the method of analysis, we study existence, uniqueness and stability of impulsive Volterra intergro-differential equations.

在第二章中，主要利用分析技巧和分段Lyapunov函数等方法，讨论了含脉冲的Volterra积分微分方程解的存在性和其零解稳定性的充分或必要条件。

Horizontal Well ; Piecewise Smooth Dynamical Systems ; Impulsive Differential Systems ; Optimal Control ; Stability ; Initial Time Difference

国家自然科学；水平井；分段光滑动力系统；脉冲微分系统；最优控制；稳定性；初始时刻偏差

When he had reached the upper landing an impulsive sidewise glance assured him, more clearly than before, of her uncommonly prepossessing appearance.

他走到了楼梯顶，禁不住又回过头来侧眼看了看，这才看清她那非常动人的面貌。

By means of the comparison principle and the method of upper and lower solution,the corresponding sufficient conditions under which the models have a solution or no solution are obtained. If other parameters are given,the controllable parameters such as the population of release and the times of impulsive harvest are estimated respectively.

基于比较定理和上下解方法，分别获得了模型有解或无解的充分条件，估计了相关可控参数，即脉冲投放模型中的投放量以及脉冲收获模型中的脉冲收获次数。

He poured out words of gratitude and tenderness with impulsive ravishment.

他呢，滔滔不绝，热情洋溢地向她表示了感激和体贴。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。