分析动力学

The theory analysis in allusion to the direction framework of a kind of air suspension is processed taking use of Langrate method of the multi-body dynamics theory. At the same time the kinematics analysis of rigid body and elasticity is also processed based on Virtual Prototype Technique which is popular in the world and the changing orderliness of wheel alignment parameters along with wheel jumpiness is got.

应用多体动力学理论的Langrage方法对一种空气悬架的导向机构作了理论分析，并基于国际上流行的虚拟样机技术对其作了刚体运动学和弹性运动学的分析，得到了该型空气悬架定位参数随车轮跳动的变化规律。

Kinematics and dynamics researching of mechanism is important in analysis and synthesis of mechanism.

机构运动分析和动力学研究是机构分析与综合的重要工作。

All these are the basis of more analysis on this kind of mechanisms including kinematics and dynamics.

这些是对该机构进一步分析的基础，包括其运动学、动力学分析，因此是具有实际价值的。

Phase portrait technique was used to analyze the horizontal motion of a roll and determine a limit circle which could describe the path of sticking-sliding motion.

应用相平面法分析了轧辊水平运动规律，并确定了粘着-滑动运动的极限环，定性地分析了轧辊水平运动的动力学特性。

Chapter three (the methods of generating chaotic signal and its applications): In this chapter firstly the mechanism that a simple kinetic system, subsection linear map system, can generate chaotic phenomena is affirmed, the characteristics of correlation function of the chaotic signal generated by this system are simulated, on this basis a simple applicable method for generating chaotic signal is given; secondly some typical circuits generating chaotic signal are designed, also use operational amplifier to design a third -order autonomous circuit with chaotic dynamics. The basic mechanism and typical structures of chaos in the application of communication are introduced systematically and a simple method is provided for generating pseudo random code signal; At last Chaotic signal is applied into the analysis of system characteristic.

第三章(混沌信号产生方法及其应用)首先针对一类简单动力学系统——分段线性映射系统能够产生混沌现象的机理及由该系统所产生的混沌信号的自协方差函数特点进行了证明和计算机仿真，提出了软件产生混沌信号的一种实用方法；其次分析讨论了几种能够产生混沌信号的典型混沌电路，提出了用运算放大器与阻容元件实现三阶自治混沌电路的基本原理；概述了混沌在通信领域中应用的基本原理和典型结构，提出了产生伪随机码信号的一种简单方法；最后将混沌信号用于系统的特性分析中。

The distribution of magnetic field and magnetic line of force with the finite element method was analyzed. The dynamic equations of moving part were solved coupling with the voltage balance equation. Force, displacement of moving part, current and frequency characteristic were discussed according to the numerical solution. The influence of the clearance volume and leakage was discussed as well.

运用电磁场有限元方法对直线电动机电磁场模型进行求解，分析了电动机内部的磁场和磁力线分布情况；建立了电动机动子动力学模型和驱动电路模型，得到系统的运行方程组并对其求解，根据计算结果对压缩机的驱动力、活塞行程、绕组电流和频率特性等进行了分析，同时就余隙容积和泄漏对这种微小型活塞压缩机的影响进行了探讨。

In this dissertation, author creates kinematics mathematical model of McPherson suspension and steering system wit...

本文采用多刚体动力学方法建立了麦弗逊悬架和转向系统运动学分析数学模型，并采用MATLAB语言编制该数学模型的运动学分析程序KASS。

In this paper, the studies on the preparation of high pure mesitylene usingMTBE tail gas are made in both experimental and theoretical, different factorsaffecting the alkylation reaction to produce mesitylene by MTBE tail gas areinvestigated, the optimal condition of reaction is defined and the alkylationreaction kinetics of different components are studied, moreover, the comparisonbetween C4 raffinate oil and isobutene used for alkylation agent is made too.

本文对MTBE尾气烷基化法制备高纯度均三甲苯过程进行了实验研究和理论分析，确定了不同因素对烷基化反应的影响，得到了MTBE尾气制备均三甲苯的最佳反应条件，并对不同组分的烷基化反应动力学进行了研究。此外，对乙烯C4抽余油和异丁烯做为烷化剂的实验结果进行了分析和比较。

And the conservation laws of moment and momentum are obtained by the combining the tiny element analysis method in continua mechanics with variation principle in analytical mechanics.

论文摘要：本文在建立时变边界挠性体的动力学方程时，将并入的质量对挠性体的作用当作时变边界上的表面力，并将连续介质力学中的微元分析法和分析力学中的变分原理相结合，导出了时变边界的变质量刚体的动量和动量矩矩方程。

Methods for Morphometry and Analysis of Gastropod Shells;2. In this paper,calcination characteristics and desulfurization property of several kinds of shells are studied by using thermogravimetic analysis methods.

采用热分析方法对几种贝壳的煅烧特性和固硫特性进行实验研究，在理论分析和实验研究的基础上得到贝壳煅烧反应的动力学模型，并求出表观活化能，结果表明贝壳的表观活化能比石灰石小约 10 0kJ·mol-1。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失