查询词典 impulsive force

An impulsive control scheme of the Lur'e system and several theorems on stability of impulsive control systems was presented, these theorems were then used to find the conditions under which the Lur'e system can be stabilized by using impulsive control with varying impulsive intervals. The parameters of Lur'e system and impulsive control law are given, a theory of impulsive synchronization of two Lur'e system is also presented.

提出了Lur'e系统的脉冲控制系统，利用关于脉冲系统稳定的几个定理，得到了具变化的脉冲区间的Lur'e系统镇定的充分条件；并且给出了Lur'e系统的适当参数与脉冲控制律，使得两个Lur'e系统脉冲同步。

Chapter 3 emphasizes on the case that the considered systems contain not only impulse but also time delay. We mainly investigate impulsive parabolic systems with time delay and neutral impulsive parabolic systems. Section 3.1 discusses the oscillation of impulsive parabolic systems with time delay under Robin boundary condition and obtains some useful criteria via first order impulsive differential inequalities with time delay. Section 3.2 studies the oscillation of neutral impulsive parabolic systems under Neumann boundary condition and Robin boundary condition, respectively, and obtains some sufficient conditions for oscillation and strong oscillation via first order neutral impulsive differential inequalities.

第三章针对于"脉冲"与"时滞"共存的复杂情形，仍采用反证法讨论了含时滞的脉冲偏微分系统的振动理论，具体研究了脉冲时滞抛物系统和中立型脉冲时滞抛物系统。3.1节考虑了脉冲时滞抛物系统的振动理论，借助于一阶脉冲时滞微分不等式的解的性质，得到了满足Robin边界条件的脉冲时滞抛物系统的若干振动准则；3.2节考虑了中立型脉冲时滞抛物系统的振动理论，借助于一阶中立型脉冲时滞微分不等式的解的性质，分别给出了满足Neumann边界条件和Robin边界条件的中立型脉冲时滞抛物系统的若干振动和强振动准则。

Based on the fundamental theory of impulsive differential systems, employing Green formula, Gauss divergence theorem, Jensen inequality and Gronwall-Bellman inequality with impulse, we discuss the oscillation of impulsive partial differential systems by adopting reduction to absurdity and the stability in via of comparison theorem, respectively. Especially, we take an in-depth study on the oscillation of neutral impulsive parabolic systems and the stability of a class of nonlinear impulsive partial differential equations and obtain some useful conclusions.

本学位论文以脉冲微分系统基本理论为基础，利用反证法的分析方法和比较定理，结合Green公式、Gauss散度定理、Jensen不等式、含脉冲的Gronwall-Bellman不等式以及相关数学工具研究了脉冲偏微分系统的振动理论和稳定性理论，特别对中立型脉冲时滞抛物系统的振动性和一类非线性脉冲偏微分系统的稳定性作了较为深入的研究，给出了一些有用的结论。

Chapter 4 discusses the stability of a class of nonlinear impulsive partial differential equations. The main idea is translating the stability of the considered nonlinear impulsive partial differential equation into that of the corresponding linear impulsive ordinary differential equation via Gronwall-Bellman inequality with impulse on the basis of comparison theorem.

第四章基于比较定理，主要利用含脉冲的Gronwall-Bellman不等式初步讨论了脉冲偏微分系统的稳定性，将一类非线性脉冲偏微分方程的稳定性化归为线性脉冲常微分方程的稳定性，为将脉冲常微分方程稳定性的有关结论推广到脉冲偏微分方程提供了理论依据并奠定了基础。

So say American film society to sue fast thunder can additional purposeful, these year western country always censures China in intellectual property domain, because,force of fire of before a few years of Zhuhai is sued by SIGMATEL of provider of American MP3 chip also is intellectual property, the swift and violent development that real reason is Zhuhai fire force truly has browbeaten SIGMATEL, the intellectual property case that SIGMATEL prosecutes Zhuhai fire force also is absent MP3, and in domain of power source power comsumption, allegedly the period of time of to lodge a complaint, the client of force of many Zhuhai fire converts SIGMATEL, because,very simple everybody does not consider the matter the lawsuit ask for trouble of Zhuhai fire force, this just also is the real reason that SIGMATEL sues Zhuhai fire force, do sth over and over again prosecution of two years is Zhuhai fire force as a result eventually most reconcile in both sides of Shenzhen countercharge SIGMATEL, the judgement that the market share of force of final Zhuhai fire exceeds SIGMATEL to became the MP3 chip provider with the greatest whole world to also prove SIGMATEL is original and be anxious.

这么说来美国电影协会起诉迅雷只能另有目的，这些年西方国家总是在知识产权领域指责中国，前几年珠海炬力被美国MP3芯片提供商SIGMATEL起诉也是因为知识产权，真正的原因确是珠海炬力的迅猛发展已经威胁到SIGMATEL，SIGMATEL起诉珠海炬力的知识产权案也不在MP3，而在电源功耗领域，据说提起诉讼的一段时间，大量珠海炬力的客户都转投SIGMATEL，原因很简单大家都不想因为珠海炬力的官司惹火上身，这也才是SIGMATEL起诉珠海炬力的真正原因，折腾了两年的起诉最终结果是珠海炬力在深圳反诉SIGMATEL双方和解，最后珠海炬力的市场份额超过SIGMATEL成为全球最大的MP3芯片提供商也证实了SIGMATEL最初的判定和担忧。

The paper consists of following contents:(1)starting with a historicalreview of the use-of-force,this paper reveals a paradoxical evolvementof the two trends in use-of-force,compares the absolutization andinfinity with controllability and finity of the use-of-force,and clarifiesnew characteristics of the use-of-force in post-Cold War era;(2)bysystematically analyzing the era background from the viewpoints ofeconomic globalization,political multipole,military high tech,national separatism and the hegemonism,the paper clarifies factorslimiting and stimulating the use-of-force;(3)by analyzing the lawbackground mainly from the viewpoint of international laws,the paperespecially centralizes the discussion on restrictions made by moderninternational laws on the use-of-force and their limits,dissects thechallenges brought up by the high tech war to international laws;(4)the use-of-force by UN and other regional international organization;(5)refuting the theory of"humanitarian intervention"advocated bythe USA and certain western countries,the paper expatiates the rightrelations between human rights and sovereignty,and demonstrates therightness of the sovereignties and UN;(6)the basic guidelines of theuse-of-force in the post-Cold War era.

分别从经济全球化、政治多极化、军事高技术化以及民族分离主义的泛滥、霸权主义的恶性膨胀等方面系统分析冷战后武力使用的时代背景，揭示出冷战后时代同时存在的限制、约束武力使用的因素，以及诱发、刺激武力使用的因素。（3）主要从国际法的角度分析武力使用的法律背景，着重探讨现代国际法对武力使用的规范和制约作用以及这种作用的有限性，同时剖析现代高技术战争对国际法提出的挑战。（4）主要探讨联合国以及区域性国际组织在冷战后使用武力的实践以及存在的问题。（5）驳斥以美国为首的某些西方国家所鼓吹的&人道主义干涉&论，阐述人权与主权的正确关系，论证主权国家和联合国并没有过时，不能用非人道手段解决人道主义问题。（6）系统提出了冷战后国家间使用武力应遵守的基本准则。

We want to move up ticklish Stone, the facilities of the moment will be greater than the force of gravity produced by a rock moment, we all know that the moment arm of force multiplied by the force equal to the size of the arm of force as an arm of force in the greater 2 , Finger pressure, the more gravity than, stone ticklish ticklish point of this very long arm of force, so we used a very small force so that the stones will be able to move up.

我们要想让怕痒石动起来，所施的力的力矩就要大于石头重力所产生的力矩，我们都知道力矩等于力臂乘以力的大小，当力臂2越大于力臂1时，手指压力也就越小于重力，怕痒石怕痒的这个点的力臂非常长，所以我们用很小的力就能使石头动起来。

The force is dominated by entropy force when the chain isdeformed less than 0.9 of the full-extended chain, while by enthalpy force. Theenthalpy force is contributed by the intro-molecular interaction. Bond stretchcontributes to the force more than bond angle bend. Torsion and VDW contributelittle to the force.3. The internal energy contribution to the elastic force It is in dispute that whether 〓 is dependent on the strain, and it is hard toresolve the problem using present elastic theories because they are athermal.

我们模拟了聚乙烯模型聚合物的SMFS，研究了链长、势能有效距离和温度对力谱的影响，探讨了力谱的本质问题，得到以下结果：改进的分子动力学方法可以很好的模拟聚合物的SMFS；SMFS是链段的性质而不是整个高分子链的性质，对于聚乙烯，该链段碳原子数目大于40；SMFS的本质是熵弹性，形变小于全伸直链的0.9时，力为熵弹力；形变超过全伸直链的0.9时，能弹力占主导地位，这种能弹力完全是分子内相互作用引起的，是由键伸缩和键角弯曲贡献的。3。

In chapter 2, we have set up a dynamics model which canreflect the toxin change of the organism in an impulsive polluted environment. The resultsshow that under the impulsive effect of the toxicants, the toxin concentration in the organismswill asymptotically tend to a stable periodic solution.

第二章建立了脉冲污染环境中生物体内毒素变化的动力学模型，研究表明在脉冲污染作用下，种群体内的毒素浓度将渐进到一个周期解上。

At the same time, the variational stability of bounded variation solutions at the effect of perturbation and non-perturbation for the impulsive differential system are discussed, the Ljapunov type theorems for variational stability and asymptotically variational stability for impulsive differential systems are established.

同时，讨论了在无扰动和有扰动的情况下，这类固定时刻脉冲微分方程有界变差解的变筹稳定性，建立了此类微分系统有界变差解变差稳定性和渐近变界稳定性的两个Ljapunov型定理。

Core, self psychology is psychoanalytic, but there are crucial differences in how the patient-therapist relationship is viewed.

自体心理学的核心是精神分析，但在如何看待患者-治疗师关系方面，自体心理学和精神分析有着根本性的不同。

High-performance cars brake drum production costs increase less than 10%.

高性能汽车刹车鼓的生产成本增加小于10％。