平衡原理

Firstly, the detailed analysis and calculate of the dynamics parameters as suspensory point load, pure toque of speed reducer shaft etc and kinematics parameters of conventional beam-pumping unit and eccentric placed pumping unit which are in services in oil field have been made combining the basic theory of present beam-pumping unit to provide theoretic foundation for the kinematics and dynamics simulation and optimizing design of pumping unit.

首先，结合现有游梁式抽油机工作原理，对油田在役的常规型游梁式抽油机和异相曲柄平衡游梁式抽油机的运动学和悬点载荷、减速箱曲柄轴静扭矩等动力学参数进行了详尽的分析计算，为游梁式抽油机的运动学和动力学仿真及其优化设计提供了理论依据。

A thermal equilibrium equation is established by analyzing the production of temperature and the transmission of heat in the foil rolling.

通过分析箔材轧制过程中温度的产生和热量的交换情况，建立热平衡方程；由板形的定义和轧制前后体积不变原理建立板形值和热凸度的关系；在此基础上，确定板形值和冷却液流量控制的关系

Plant throughput rate was increased to above 150 % without any increase of heat exchange area.

该装置于2002年进行冷凝态操作模式改造，可以在不提高换热面积的情况下提高生产速率150%以上，文中针对非冷凝态与冷凝态操作热量平衡的原理以及特点进行了探讨。

On the basis of the principles of differential geometry, We have found the balanced eq ations of the ideal sliver and obtained the for,nulas for calculation of torsional moment .

本文建立了固定假捻器的简化模型，根据微分几何原理推导出理想纱条的平衡方程，并得到扭矩的计算式。

It elaborates the principle of the Vacuum Freezy-desiccation Technology by the triphase equilibrium plot and the triple point sketch map of the water.It analyses the characteristics of each stage in the process of the Vacuum Freezy-desiccation Technology.It illustrates the main contents,the important parameters and some remarkable things in each stage.At last it puts forward some tho...

通过水的相平衡图及三相点示意图，阐述了真空冷冻干燥技术的原理；分析了真空冷冻干燥过程中各阶段的特点，介绍了每一阶段的主要内容、重要参数的测定和一些注意事项，最后提出了一些关于真空冷冻干燥设备节能方面的想法。

The mathematical model of system is established on the basis of three-tank system material balance.According to nonlinear characteristics of three-tank level system,the controller is designed by using decoupling principle,which can make the nonlinear coupling of three-tank system uncouple into three first-order subsystems.

在三容系统物料平衡的基础上，建立了系统的数学模型，根据三容液位系统的非线性特性，运用解耦原理设计控制器，将三容系统的非线性耦合解耦为三个一阶子系统。

The relation between deformation and displacement,the equilibrium equation and the princi pie of virtual displacement for straight bar s in plane banding is derived.

本文推导出直杆平面弯曲时的变形与位移关系式、平衡方程和虚位移原理。

Illustrated below is a generalized balanced system schematic, rearranged to show that it takes the familiar form of a Wheatstone bridge.

下面是通常意义的平衡系统的具体原理，重绘后的电路，就是大家所熟知的惠斯通电桥。

We have calculated the electronic structure and optical properties of zinc blende structure ZnSe under different high pressure by means of plane wave pseudo-potential methodwith generalized gradient approximationin this paper.The total energy,density of state,energy band structure,and optical absorption and reflection properties under high pressure are calculated.Furthermore,we analyzed the change of electron structure,band structure and optical properties under high pressure using the results of experiment and theory

运用密度泛函理论体系下的平面波赝势和广义梯度近似方法，利用第一性原理计算了不同的压强下ZnSe晶体闪锌矿结构，得到了它的平衡晶格常数、总能量、电子态密度分布、能带结构、光反射与吸收系数等性质，具体讨论了高压下ZnSe的电子结构，并且结合实验结果定性地分析了高压下的光学性质。

The patent separation process of adsorptive distillation was studied theoretically and experimentally in this thesis.

本文对吸附蒸馏过程的原理、特点、适用范围、过程模拟及在模拟过程中涉及的吸附平衡等进行了详细的分析，并进行了大量的实验研究，对吸附蒸馏过程及所提出的理论进行了验证。

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。