平衡原理

There are seven main ideas of governing the country by law, they are:ruler must follow law; impersonalization of the supreme power; promotion of the form rationalization; re-defining the legal nature; the legitimate fundation of public power; the balance of public rights and personal rights; attatching importance on rights.

依法治国是近、现代法制文明所确立的一条基本公理，并与诸多重要的法律原则、原理和规范密切相联。其法理蕴义包括七个重要之点：治国者先受治于法；最高权威的非人格化；形式合理性的宏扬；法律性质的重新界定；公共权力的合法性基础；公共权力与个体权利的平衡；认真看待权利。

Have introduced its systematic structure and operation principle in the system of loading of the inertia, and the vibration question that should be paid attention to while designing a group of rotator inertial mass, describe a critical rotational speed of group of rotator inertial mass in detail, influence the factor of a critical rotational speed of group of rotator inertial mass, and rotate a critical rotational speed computing technology and rotation of group and a balance question of group of inertial mass of inertial mass , and confirmed a design of group of rotator inertia quality finally.

在惯量加载系统中介绍了其系统结构和工作原理，以及在设计旋转惯性质量盘组时应注意的振动问题，详细地论述了旋转惯性质量盘组的临界转速，影响旋转惯性质量盘组的临界转速的因素，以及旋转惯性质量盘组的临界转速的计算方法和旋转惯性质量盘组的平衡问题，并最后确定了旋转惯量质量盘组的设计。

The contents comprise the classification and principle of molecular dynamics, the interatomic potential, the related finite difference technique, the choice of initial and boundary conditions, the realization and control of equilibrium ensembles, the extraction of useful information and some applications in the materials science.

综述了分子动力学模拟技术的发展，介绍了分子动力学的分类、基本原理、原子间势函数的发展及势参数的确定、相关有限差分算法、初始条件和边界条件的选取、平衡系综及其控制、感兴趣量的提取以及分子动力学模拟在材料科学中的一些应用。

By the principle of penalt function, the irrotational fluid field is constrained, and author has proposed the Difference Method for distinguishing fluid vortex modes among the natural modes of coupled systems. Author has calculated the real frequencies with the extra deductive method, and discussed the influence of the numerical solution due to the irrotational constraint.

对于流体有限扰动时的非线性耦合系统的有限元分析作了一些探讨，给出了非线性系统的基本方程、变分原理及有限元方程，并具体地导出了三维几何非线性流体单元的切线刚度公式，采用增量形式的Newmark预报——校正逐步积分法计算系统的动力响应，由Newton-Raphson迭代法及其修正方法求解系统的非线性方程组，还列出了不平衡力余量检查和位移迭代增量检查等迭代收敛判断准则。

The control principle of electrostatic shaping was introduced according to the balance between electrostatic force and resulting force formed by membrane deformation and the complex shaping process of SMEC. Then, taking the trisection circularity electrode for an example, the distribution characteristic of electric potential in the electrostatic field was analyzed, namely, the expression of potential function in the electrostatic field was deduced by Laplacian equation. And then, by combining the difference equation with electric potential expression, the numerical solutions of electrostatic force in single electrode mode and trisection circularity electrode mode were disposed. Finally, the calculated figure was compared with the ideal paraboloid and comparison shows that more accuracy would be achieved by multi-electrode control.

根据静电力与薄膜变形载荷作用力之间的平衡关系和静电拉伸薄膜反射镜成形的复杂过程，介绍了薄膜反射镜静电成形的控制原理；以三等分环状电极为例，分析了静电场中空间电势分布特性，即从拉普拉斯方程推导出静态场势函数的表达式；然后，利用差分与电势方程结合的方法，对单电极电场力和三等分环状电极电场力进行了数值求解；最后，将计算面形与理想抛物面进行了比较，结果显示，单电极情况下得到的薄膜反射镜面形不是理想抛物面，若采用多电极控制可获得更高的控制精度。

The control principle of electrostatic shaping was introduced according to the balance between electrostatic force and resulting force formed by membrane deformation and the complex shaping process of SMEC. Then, taking the trisection circularity electrode for an example, the distribution characteristic of electric potential in the electrostatic field was analyzed, namely, the expression of potential function in the electrostatic field was deduced by Laplacian equation. And then, by combining the difference equation with electric potential expression, the numerical solutions of electrostatic force in single electrode mode and trisection circularity electrode mode were disposed.

根据静电力与薄膜变形载荷作用力之间的平衡关系和静电拉伸薄膜反射镜成形的复杂过程，介绍了薄膜反射镜静电成形的控制原理；以三等分环状电极为例，分析了静电场中空间电势分布特性，即从拉普拉斯方程推导出静态场势函数的表达式；然后，利用差分与电势方程结合的方法，对单电极电场力和三等分环状电极电场力进行了数值求解；最后，将计算面形与理想抛物面进行了比较，结果显示，单电极情况下得到的薄膜反射镜面形不是理想抛物面，若采用多电极控制可获得更高的控制精度。

In slope stability analysis,the limit equilibrium method and finite element method are usually adopted.

边坡稳定分析中常用的方法有极限平衡法和有限元法，而瑞典条分法由于其原理简明、公式简单而成为应用广泛的边坡稳定分析方法之一。

Also, the characteristic of saturator is analyzed by a chart of equilibrium line and operation line.

利用水气之间的平衡线和操作线的关系，定性分析了饱和器的工作原理和特性。

Based on the Timoshenko-Mindlin hypothesis and the Hamilton Principle, a set of governing equations of motion for the laminated non-circular cylindrical thick shells were founded.Using the Galerkin procedure,the Mathieu equation only with time variable was obtained,and this equation was solved by the method of increase harmonic balance.

基于Timoshenko-Midlin假设及Hamilton变分原理，建立了层合中厚非圆柱壳的非线性运动控制方程，采用伽辽金技术，得到仅含时间参数的Mathieu型方程，然后应用增量谐波平衡法进行求解。

The basic idea was to discrete the structure and find the load function according to the energy criterion of buckling and the principle of random displacement method. As the critical load is the minimum of the load function, a problem of frame buckling can be transformed into an optimization problem. Therefore, the critical load can be found through solving the optimization problem.

先将结构离散为一个有限自由度系统；然后根据有限自由度系统平衡稳定性的能量准则和随机位移法的基本原理，建立符合能量准则的载荷函数，该函数不为零的最小值即为临界载荷，由此将稳定问题转化为无约束的多维优化问题；最后应用遗传算法求出相应于最优解的目标函数值。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。