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In this paper, the bump patterns for flip-chip packages are discussed first, then an experiment is setup to study the dispensing phenomena for different bump patterns, and the CAE software is used to analyze and identify with experiment mutually. From these thorough comparisons and analytical analysis, the existence of channel could slow down the flow, the high density of bump could speed up the flow, and it could avoid the air trap by modified the bump and channel's arrangement on flip-chip package. Then flows in rectangular microchannels driven by capillary force and gravity are discussed; furthermore, the theoretical model of flow in microchannel driven by capillary force and gravity is formulated from the Navier-Stokes equations.

本文首先针对覆晶底部充填进行相关理论推导、实验与模拟，探讨不同凸块配置模型所造成的波前不平滑现象对底部充填流动的影响；即依据相关参数建立模型进行底部充填实验，同时以CAE(Computer-Aided Engineering)模流分析软体进行模拟，在完成理论探讨、实验与模拟分析之后，交叉比较理论、实验与模拟分析结果，归纳出影响底胶充填流动之因素，由结果显示在凸块密集度较高的区域，凸块可以帮助流动，但是在凸块区后方的沟槽区域则因为凸块区所提供之流量不足，所以会造成波前落后的现象，另外藉由修改凸块与沟槽配置的关系，可以有效的控制波前形状的变化情形，避免产生包风现象。

It can change the ratio of the transmission system by adjusting the pushing force of the pulley.By analyzing the structure characteristics and force relations,the design method of an important parameter of the CVT hydraulic system and the rate of transmission ratio,are put forward by simulating to the emblematical driving models.The structure parameters of the hydraulic ...

在分析了金属带式无级变速器的结构特征和力学关系的基础上，通过对汽车典型行驶工况的仿真分析，提出了无级自动变速液压控制系统关键参数—速比变化率的设计方法，完成了液压系统的结构参数设计，并进行了仿真验证，从而为无级自动变速汽车的研制开发奠定了基础。

This disquisition emphasized the issue of legal force of international commercial arbitration by means of enumeration and analysis to accentuate the concept, expression mode, legal force, validation. This paper would doubtless be referred by corresponding Chinese legal practice by recommending the updated developmental tideway and direction of legal affect of international commercial arbitration.

本文着重探讨了国际商事仲裁协议的法律效力问题，通过列举分析的方法，对国际商事仲裁协议的概念及表现方式、法律效力、认定进行了重点阐述，介绍了国际商事仲裁协议法律效力问题的最新发展潮流和方向，无疑会对我国的相关司法实践具有借鉴价值。

Thirdly , a conclusion has been settled down in this dissertation: Because the shaft inertial force vector do not pass the center of the rotating center of the system, there is a moment generated by the shaft inertial force and the counterforce of the cylinder wall to counterbalance the pressure which is imposed by the piston, so, it is important to consider the tortile effect on the flexible supporting component of the balancing machine dedicated to motorcycle crank set, which is originated by the moment.

第三：得到了一个结论：在设计制作曲柄连杆机构动平衡测试装置时，必须考虑这一受力情况，即连杆在作平面运动时，其自身的惯性力与汽缸对活塞的反作用力二者之间形成的力偶将会对弹性支承元件产生扭矩的作用。

Dynamic cutting force is a basic parameter and it directly influences relative displacement between tool and workpiece, tool wear and surface quality in turning operation. Therefore, simulation model of dynamic cutting force is an important part of machining physical simulation research. Cutting force models commonly used are empiristic equations. These equations are often based on statistical analysis of machining data, obtained via changing one or more machining parameters, whilst fixing others. But a complete turning process and nature of force can not be accurately described by means of these models.

动态切削力是切削加工过程中的基本参数，其动态变化直接影响加工过程中刀具与工件的相对位移、刀具磨损和表面加工质量等，因此动态切削力的预测仿真建模是切削过程物理仿真研究的基础，但是目前大多使用经验公式描述动态切削力，这些经验公式多少存在一些不足，难以完全真实地反映在整个切削过程中力的变化历程和变化特点。

At the same time, the self—exciting force with indicial function formulae put forward by R. H. Scanlan is extended to the three— dimension analysis and separated into the quasi—steady part and the part related to the past history of the structure. The former is interpreted by the aerodynamic damping and aerodynamic stiffness, the later, by the load. Then, the self—exciting force related to the structure motions can be easily introduced.

然后，将Scanlan提出的自激力的阶跃函数表达方法推广运用于三维分析，并将自激力分为似定常部分和与过去响应历程有关的部分，进而分别用气动阻尼、气动刚度和外荷载的形式来描述，从而实现了引入与结构运动相关的自激力。

Safety Belt Force Limit Furling Device: In order to avoid the accident to the aged people and children caused by the force of collision on the safety belt, the force limit furling device will take effect when it exceeds the certain limit of the tension force (450-650kg), make the core of furling devicehave several rolls on the axis, to pull out several of it.

安全带限力卷收器：为了避免撞击时承受普通安全带的力过大而造成对老弱和年幼者的意外伤害；限力卷收器在织带收紧力超过一定限度（一般设定为450-650KG）时开始作用，使卷收器芯轴旋转数圈，从而使织带拉出少许。

Safety Belt Force Limit Furling Device: In order to avoid the accident to the aged people and children caused by the force of collision on the safety belt, the force limit furling device will take effect when it exceeds the certain limit of the tension force (450-650kg), make the core of furling device have several rolls on the axis, to pull out several of it.

安全带限力卷收器：为了避免撞击时承受普通安全带的力过大而造成对老弱和年幼者的意外伤害；限力卷收器在织带收紧力超过一定限度（一般设定为450-650KG）时开始作用，使卷收器芯轴旋转数圈，从而使织带拉出少许。

To ensure, therefore, our future force does not encounter a situation in which it is overmatched by an enemy force, we must conduct a thorough force-on-force analysis of potential future opponents.

因此为了确保我们未来部队不会处於敌人占优势的境地，我们必须对潜在的对手进行全面的部队-部队分析。

Then, a hypothesis of "double force source" for tectonism is put forward, its main points are: the tectonism is not only the result from the action of tectonic stress, but also the result from the action of "double force source", namely, the tectonic stress and subsurface fluid force including force produced by precipitation, etc.

提出了&双力源&构造变动假设，即构造变动不仅是构造应力作用的结果，而且是构造应力与地下流体力共同作用的结果；二者共同作用因方式不同而产生不同的构造变动；在构造变动孕育与产生过程中，构造应力的作用是第一位的，地下流体力则是调制性的，只有那些能与构造应力增强过程产生力学耦合的地下流体力，才能调制与诱发出构造变动异常并促进构造变动。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。