动力系统

Study on the background of mineralization system dynamics shows that formation and evolution of the celestite mineralization system are controlled by uplifting of the Qinghai-Tibet plateau and the collision of Gondwanaland and the Eurasia continent, structure stress and thermal-dynamics are the key factors of formation and evolution of the celestite mineralization system.

对该区成矿系统动力学背景研究表明，印度板块与欧亚板块碰撞及青藏高原的隆升控制着锶矿成矿系统的形成和演化；构造应力与热动力是盆地锶矿成矿系统形成演化的关键因素，而构造应力是盆地内一系列热水活动的主要动力来源。

In the second part, we firstly give the definitions of the double inverse limit and some dynamical properties related, then we use the above way to study the dynamical relations between the systems and lim{X, f^g},σ_f^σ_g...

在论文的第二部分，我们模仿逆极限{X，f的定义，提出了双重逆极限{X，f^g的概念，并针对X上的两个交换的自映射f和g，类似定义了系统上的一些动力性质，并证明了系统与系统(？{X，f^g}，σf^σ_g之间在这些动力性质上的一些相关结果。

Based on the elastic theory of large deflection and by taking into account the variation of the axial force and its effects on bending deformation of the drillstring in vertical section,the vibration of the drillstring induced by fluctuating weight-on-bit is described by a parametrically excited system.A Mathieu equation describing the system is established by Galerkin Method.By extending the solution into a Fourier series,the curves of dynamic bifurcation values and the dynamically unstable regions surrounded by the curves are presented.

基于弹性大变形理论，考虑到轴力沿钻柱轴线的变化及其对钻柱弯曲变形的影响等因素，将受自重作用的铅垂井段钻柱在波动钻压激励下的振动转化为一个参数激励系统，用Galerkin方法首次得到了描述此系统的Mathieu方程，并通过将方程的解展成富里叶级数的方法，得到了该振动系统的动力分岔值曲线及其所包围的动力不稳定区。

The matching law of CVT and the engine is discussed in the condition of achieving minimum fuel consumption at all times.

文中首次建立了包括CVT液压控制系统的装有CVT的动力传动系统模型，说明装有CVT的动力传动系统是复杂的多输入、非线性系统。

Based on the analysis, according to the proposed classifying methods and the operating characteristics of the off-road vehicle, driveline configuration with combination of traction forces of the parallel hybrid drive system has been selected as the drive scheme of the CFA6470HEV hybrid electric off-road vehicle.

研究了混合电动汽车驱动系统的4种分类方法，对每一种分类方法中包含的各种类型的混合电动汽车驱动系统的结构特点进行了分析，对国内外一些典型结构的混合电动汽车进行了研究，在此基础上，根据提出的分类方法以及越野车的运行特点，选取分路式并联混合动力驱动系统作为CFA6470HEV混合动力越野车的驱动系统方案，车辆的各项性能都达到了预定的目标，证明所选取的方案是合理的。

The main causes of the vibration in pipeline system are in two respects : The first is the vibrant force of the medium acted on pipeline system,i.e.exciting signal,such as the vibrant force caused by the gas flow at the compressor ′ s inlet and outlet and at the ramified and nodel points as well as the action of pig passing through pipeline bridge,etc.;The second is the response to the exciting signal,which is relating to the characteristics of the pipeline system,i.e.the rigidity,support,quality and equipments of the system besides the waveform of the exciting signal.

管道系统振动的原因主要有两方面，一是介质对管道系统产生的振动力，即激发信号，如气流在压缩机进、出口，分支节点部位产生的振动力，清管器通过管桥时对它的作用等；另一方面是对激发信号的响应，其响应除了和激发信号的波形有关外，还和管道系统本身的特征，即系统的刚度及支撑，质量及其配置等情况有关。

Electric power steering systemis a new developing direction of power steering system in automotive. The principle of EPS is the assistant motor works according to the measured torque and vehicle signals. So that power steering can be realized. Besides EPS has the light steering torque like Hydraulic Power Steering system, it has many other characteristics such as steering placidly, low energy consuming, environment protecting and so on. Therefore it is a certain tendency that EPS being instead of HPS.

汽车电动助力转向系统是近年来发展起来的一种新型转向系统，该系统是由电子控制单元根据传感器采集到的信号来控制电机的运转，从而实现助力转向的功能，EPS 除了具备液压动力转向器的转向轻便等优点之外，它还具有转向平稳、节能、环保等一系列特点，因此，EPS 取代液压动力转向系统势在必然。

Two types of steering system are commonly used on cars: manual system and power system8 all power steering systems require a power steering pump attached to the engine.

两种类型的助力转向系统的普遍使用，对汽车：手动系统和电力系统八，所有动力转向系统需要一个动力转向泵连接到引擎。

Shop staff on a regular and irregular organizations DZL10-1.25-A2 Steam Boiler (including water heater system and wastewater treatment systems), ammonia refrigeration unit system, air compressor system equipment Dynamic energy equipment for power distribution protection equipment maintenance, safety equipment and highly efficient, economical, reliable operation. provided the impetus and qualified for the production of clean energy.

防微杜渐，重视巡检&，组织车间员工定期和不定期地对DZL10-1.25-A2蒸汽锅炉（包括炉水处理系统和废水处理系统）、氨制冷机组系统、空气压缩机组系统设备、电力配电设备等动力能源设备进行保全保养，保障设备高效、经济、可靠运行，为生产提供了合格的动力和清洁能源。&

The application of rotationally periodic analytical method in fluidstructure coupling analysis is discussed adequately.

对旋转周期分析方法在流固耦合分析中的应用进行了全面的讨论，导出了流固耦合系统动力特性、动力响应以及动力稳定问题旋转周期分析的有限元列式，提出了系统而有效的求解方案。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。