静力学

Typically, this principle employs the geometrical relations between various displacements in order to solve problems of statics.

为了解静力学问题，这个原理典型地使用了各种位移回的几何关系。

It's form is the contribution of the Reynolds stress tensor and magnetic fluctuating tensor.

主要的表现是：第一，Reynolds stress 张量和磁扰动张量的径向分量贡献给压强，引起太阳内部流体静力学平衡方程和太阳内部热力学变量的改变，从而导致温度、密度、内能、绝热指数以及绝热温度梯度等的变化。

It is also a climate of behavior set for perpetual summer and thermo...

它也是一种为永恒夏日而设置的行为气候，并且被味觉和触觉以热静力学的方式掌控着。

The research works are listed as followings: 1. The computing method developed with the Matlab software has been proposed to solve transcendental equation containing elliptical integral. With this method the dimensionless contact parameter, contact stress and deformation in different ceramic materials have been computed for the first time, and its the efficiency and reliability has been proved. 2. The internal speed and motions of ball bearings as well as relevant quasi-statics formulae are conducted.

本文以轴承拟静力学分析为理论基础，围绕着轴承的数字化设计和高速陶瓷球轴承的结构参数进行了相关研究，主要内容如下：提出基于软件Matlab为平台的计算方法，首次得到了不同陶瓷材料的接触应力和变形等以前不易计算的数据，验证了这种方法具有简便可靠、适合于轴承计算、易于普及等优点。

The transformation of coordinates,interactive model,and numerical methods were introduced for the dynamic analyses of deep groove ball bearings.

根据空间坐标变换建立接触和碰撞模型，利用数值方法计算分析，编写了适用于深沟球轴承的拟静力学以及动力学分析的软件包BA。

Elastic statics mainly relates to the connection between force and transmogrification, elastic body'sinvalidation, the guide line of design in invalidation.

弹性静力学主要涉及力和变形之间的物性关系，以及弹性体的失效、与失效有关的设计准则。

After canvassing the basic theories and methods of optimal design, the finite element structure statics analysis of bearing saddle and ANSYS optimal design of turnplate are analyzed respectively. It is propitious to raise efficiency ,improve capability and decrease cost and so on.

在研究了机械优化设计基本理论和方法之后，对主要零件进行了针对性的研究：齿轮轴轴承座结构有限元静力学分析、转盘的ANSYS优化设计。

The main content of course includes: the water cycle in the earth; the deposited of underground water; the physical characteristics and chemical components of underground water; the underground water of different imbed conditions; the supply, drainage and flowoff of underground water; the dynamic and balance of underground water; underground water in different mediums; the calculation of underground water movement; the basic knowledge of Water Statics; underground water resource; The environment problems of underground water in hydro-engineering.

主要内容有：地球上的水循环，地下水的赋存，地下水的物理性质及化学成分，不同埋藏条件的地下水，地下水的补给、排泄和径流，地下水的动态和均衡，不同介质中的地下水，地下水运动计算，水静力学基础，地下水资源，水利工程中地下水的环境问题。

The contact problem between the infinite semicircle cylinder and the plane is a typical example in the field of contact problem research. The solutions obtained through static model are compared with the Hertzian solutions in this paper.

以无限长半圆柱与水平面间的接触问题为算例，本文将静力学计算结果与经典Hertz接触理论解比较，获得了良好的一致；在动力学方面，本文仿真了突然加载下的半圆柱与水平面的接触过程，仿真收敛性良好。

Lately static modelling have gradually replaced by hydrodynamical modelling.

近来耀斑静力学理论模型已逐步被耀斑动力学理论模型所取代。

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％。