分析动力学

The interference, which has much to do with shimmy and handling characteristic and directional stability of vehicle, between the suspended structure, the front axle and steering system is described accurately In the models, the concrete component parameters or the design parameters are adopted to make it easy that the models are directly used in optimization design of real products. In order to make mathematical simulation and optimum analysis accurately with a particular vehicle and to study the influence of tyre characteristics on the lateral dynamic performance of vehicle, not only are the whole structure parameters in the models measured, but also is the test of the tyre cornering characteristics done, the accurate parameters of the tyre cornering characteristics are obtained and the practical tyre models of both steady state and dynamic state are selected.

为了提高仿真计算与优化分析的精度，和进一步分析有关轮胎特性对汽车横向动力学特性的影响，除了测量了模型中的全部结构参数外，特别做了轮胎侧偏特性试验，获得了比较准确的轮胎特性参数，并选用了比较实用的轮胎动态和稳态侧偏特性模型。

The method of performance analysis and optimal structure design for steam ejector heat pump is introduced. A computer software is designed to fulfill these functions.

针对蒸汽热泵工质的特点，从气体动力学原理出发，将热泵的工质与性能参数用气体动力函数来表示，对具有吸入室、混合室和扩散室热泵的整体性能进行分析，提出了喷射式热泵性能分析计算方法，并编制了相应的计算机软件。

A floating displacement analysis model of a two-stage star gear train′s dynamic system was established.The floating displacement of its basic parts was calculated.

建立了星型齿轮传动动力学系统基本构件浮动位移量分析模型；计算了系统基本浮动构件浮动位移量；分析了系统主要设计参数对各构件浮动位移量的影响，对星型齿轮传动系统浮动机构的设计提供依据。

Low-speed maglev vehicle structures and their kinematic relationship were analyzed,a 76-DOFs virtual prototype model with active levitation control was developed by SIMPACK software,the numerical simulation of guidance mechanisms was carried out based on the model,and the kinematic rules of T-shape arm and lateral skid platform and their relationship were studied.

在分析低速磁浮车辆结构及其运动学关系基础上，利用SIMPACK软件，建立了含主动悬浮控制的76个自由度的磁浮车辆虚拟样机模型，开展了基于整车动力学的低速磁浮车辆导向机构仿真分析，研究了T形臂、横向滑台及两者之间的运动学规律。

The shearing force is the most important factor to the grinding product of roll-plate grinder based on the analysis of three traditional power consuming theory.

通过动力学试验和分析，建立了辊盘式磨粉机粒度降低数学的模型。通过对三大功耗理论的分析，认为剪切力是影响磨矿产品粒度的主要原因。

By using ADAMS/view,a simulation model of stopper is established which is based on analysis of its characteristics of variable structure ,some main problems of stopper are found by motion simulation analyzing,and optimization and self-adjustable structure without overconstraints of stopper is also made.

在分析变结构堵渣机的结构特征基础上，利用ADAMS软件建立了仿真模型，通过机构的运动学、动力学仿真分析，找出了机构存在的主要问题；并对机构进行了优化及无过约束的自调结构设计。

The microsturcture characteristics of M2 cast-strip were studied with such experimental methods as metallographic analysis, SEM, XRD and TEM[0]. The effect of sub-rapid solidification on the size, type and distribution of eutectic carbides in M2 cast-strip was analyzed. The effect of heat treatment temperature and its holding time on the eutectic carbides in M2 cast-strip was explored. The eveolution of metastable phase of M2C eutectic carbide during the heat treatment period and the decomposition dynamics concerned were researched. The M2 cast-strips were rolled into thin strips and the effect of deformation ratio on carbides in M2 cast-strip was examined. Then these thin strips were comparied with those that were produced by conventional technology on carbide, hardness, red-hardness and bend strength. At last the rolled M2 cast-strips were made into saw blades and their cutting performance was experimented on in tools factories and then compared with that of similar products produced by conventional technology.

采用常规金相、扫描电镜、X射线衍射及透射电镜等实验研究了M2高速钢铸带的凝固组织特征，分析了亚快速凝固对铸带中的共晶碳化物的析出类型和尺寸以及分布的影响；探索了后续热处理温度和保温时间对铸带碳化物组织的影响规律，分析了铸带中的亚稳相M2C共晶碳化物在热处理过程中的分解情况以及分解动力学；将铸带热轧成薄带，研究了压下率对铸带碳化物组织的影响，并将热轧薄带与常规工艺生产的相同规格的M2高速钢薄带在碳化物组织、硬度与红硬性以及抗弯性能等方面进行了对比；将热轧薄带加工成机用锯条后在工具厂进行了锯切性能试验，并与常规工艺生产的同类产品进行了使用性能对比。

Performance of kinematical and dynamic characteristics of the VEL were simulated. Mathematical model of the whole working process of the VEL was established to integrate the simulation processed.

然后，简单介绍了虚拟样机技术与ADAMS开发平台，对优化设计得到的弹射机构进行验证，分析其静力学、运动学和动力学性能，仿真其运动和工作过程，采用ANSYS软件分析其应力和应变情况。

Curing kinetics of epoxy resin and the effects of different compositions on curing reaction were researched by using the differential scanning calorimeters. Relationship between curing temperature and curing converting rate had been studied. Curing conditions for the system were determined. Modified nano-Al2O3/epoxy resin and core shell/epoxy resin composites were prepared by means of blending method. The influence of the composition on the properties was discussed. The thermal and dielectric properties of these composites were investigated using differential scanning calorimetry, Thermogravimetry and dielectric analyzer.

首先，论文通过差示量热扫描仪分析研究了环氧树脂与酸酐固化体系的固化反应动力学及固化工艺；然后，通过共混法和超声分散法制备了一系列纳米氧化铝/环氧树脂及核壳粒子/环氧树脂两相复合材料；进而通过DSC及热重分析仪测试了复合材料的玻璃化温度、热降解温度等热学性能，并采用介电分析仪测试分析了复合材料的介电常数、介电损耗等介电性能，讨论了组成对复合材料的热学性能及介电性能的影响。

On the basis of the analysis, the simulation model of system dynamics for the productive system of the fully-mechanized coalface has been established in order to realize the simulation analysis of the productive system for the fully-mechanized coalface.

利用系统动力学理论，对影响综采工作面生产的主要因素进行因果关系分析，并在此基础上建立起综采工作面生产系统的&SD&仿真模型，以实现综采工作面生产系统的模拟分析。

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