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To the later, this dissertation has been done transient dynamic analysis, calculated the stress intensity factors changing with the damp of asphalt pavement, the cycle of load action and the parameters of pavement structure.

应力强度因子最大值随荷载作用周期的变化呈倒"S"状变化，在高频和低频荷载作用时，逼近静载作用时的应力强度因子值，在一定的频率出现最大值和最小值，但应力强度因子的变化幅度不大。

A novel sliding-mode control is designed with a load thrust observer for the Linear Permanent Magnetism Synchronous Motors,in order to compensate the disturbance and effectively minimize the system chattering;introducing an integral action in the sliding mode to eliminate the system error and chattering.

针对永磁同步直线电机提出了一种基于负载推力观测器的新型滑模变结构控制，从而实现对推力扰动的补偿，且大大削弱了推力纹波及系统的抖振；在滑动模态中引入积分环节来进一步消除系统的稳态误差和系统抖振。

The stress calculation method and strength condition of PET aerated water bottle were obtained from theory. The strength of PET aerated water bottle was simulated and calculated ANSYS. The stress graphics of the bottle with different thickness was plotted and their stress property was analyzed. The influence of axial load and grooves on bottle stress was also studied.

从理论上得到了聚酯碳酸饮料包装瓶的应力计算方法和强度条件；利用ANSYS对其强度进行了有限元模拟和计算，得到了不同厚度的聚酯碳酸饮料包装瓶的应力图，并分析了其应力特点；同时研究了轴向载荷和瓶体开凹槽对瓶体应力的影响。

The stress calculation method and strength condition of PET aerated water bottle were obtained from theory. The strength of PFT aerated water bottle was simulated and calculated ANSYS. The stress graphics of the bottle with different thickness was plotted and their stress property was analyzed. The influence of axial load and grooves on bottle stress was also studied.

从理论上得到了聚酯碳酸饮料包装瓶的应力计算方法和强度条件；利用ANSYS对其强度进行了有限元模拟和计算，得到了不同厚度的聚酯碳酸饮料包装瓶的应力图，并分析了其应力特点；同时研究了轴向载荷和瓶，婚开凹槽对瓶体应力的影响。

The calculation of anisotropic plate with aerofoil manhole under external load was carried out.The numerical solution of hole-edge stress field was obtained.

对含机翼检修孔的正交各向异性板在外荷载作用下进行计算，得到孔边应力场的数值解。

Based on dynamic load calculation and the cooling and heating characteristic curve of the practical air/water heat pump residential central air conditioning, this paper calculates hiemal and aestival electric consumption and seasonal efficiency of air/water heat pump residential central air conditioning, and compares its economy with that of separate type room air conditioner .

在动态负荷计算的基础上，按实际运行的空气/水型户式空调机组的制热与制冷特性曲线，计算了该种户式中央空调系统冬夏季耗电量与季节效率HSPF及SEER，并在此基础上与采用分体式空调器方案作了经济性比较。结果表明，在具有典型夏热冬冷气候特点的湖南衡阳地区，住宅建筑空调采用空气/水热泵型户式中央空调系统是可行的

It is validated by experiments, simulation and theoretic calculation that the macroscopical circuit model of plasma load of AIP and its relationship with microcosmic parameters of plasma is effective.

通过实验、仿真模拟和理论计算，验证了建立的电弧离子镀等离子体负载的宏观电路模型及其与等离子体微观参数间的关系是有效的。

In this paper, a measuring device has been developed and used to measure the tire contact pressure distribution of light vehicle with different tires of different tread pattern and different age, air pressure and different tire load.

利用自主开发的轮胎接地压力测试仪，进行了轻型货车不同花纹和不同使用年限轮胎，在不同轮胎胎压和不同负荷作用下，轮胎的接地压力分布规律测量。

But in fact, the system of half-tracked air-cushion vehicle is over complicated. When the vehicle drives in an unknown soil, the parameters and structures of controlled member will change with load or disturbances. This system is nonlinear and time-variant, and it is very difficult to analyze its transfer function and state function quantitatively.

然而在实际工作中，由于本课题中的系统过于复杂，当行驶在未知土壤条件下时，被控对象往往随着载荷或干扰因素影响，其特性参数或结构发生改变，属于非线性和时变性的不确定系统，它的传递函数或状态方程难于用传统的定量分析方法加以实现。

Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。