查询词典 force

In this paper, the principle of molecular dynamics, and the category of molecular force field, and the establishment of AMBER、OPLS and CHARMM force field are introduced.

本文介绍了分子动力学(molecular dynamics， MD)的基本原理，分子力场的种类，以及离子液体分子动力学模拟一般采用的AMBER、OPLS和CHARMM三种力场的构建形式。

The general s = 9-15, t = 4-7. Such as the increase of molecular distance r, the force decreases sharply as short-range force.

一般s＝9—15，t＝4—7。这种随分子间距r的增大而急剧减小的力称为短程力。

OVERTURNING refers to the tipping over of the retaining wall as it rotates about the toe of the structure. The overturning force is the sum of each destabilizing force times its moment arm.

倾覆指挡土墙倾倒，相对于挡土墙沿它的结构支撑点旋转，倾覆作用是各个不稳定因素与力臂乘积的总和。

Crank shaft in main engine ; slipping of sleeve ; composite moment of force ; overturn moment of force ; connecting couple ; calculation ; measure

主机曲轴；红套滑移；合成力矩；倾覆力矩；连杆力偶；计算；措施

This design after determination frame layout, has carried on the level first the load generation of tabular value computation, extracts the wind load with the D value law the function, then uses the bending moment two methods of distribution to calculate the vertical load under the function structure endogenic force, and discovers most disadvantageous group of or a several group of endogenic force combination.

本设计在确定框架布局之后，先进行了层间荷载代表值的计算，用D值法求出风荷载的作用，接着用弯矩二次分配法计算出竖向荷载作用下的结构内力，并找出最不利的一组或几组内力组合。

This design after determining the frame layout, has carried on the level the first load generation of tabular value computation, extracts the wind load with the D value law the function, then uses the bending moment two methods of distribution to calculate the vertical load under the function structure endogenic force, and discovers most disadvantageous group or a several group of endogenic force combination.

本设计在确定框架布局之后，先进行了层间荷载代表值的计算，用D值法求出风荷载的作用，接着用弯矩二次分配法计算出竖向荷载作用下的结构内力，并找出最不利的一组或几组内力组合。

The clip force was calculated according to the regression equation of arm of force and moment.

简易测量方法可得到与根据力矩测算的夹持力接近的准确结果。

Through calculation of the moment of force, we achieve the force of muscle, which was downloaded in the model.

通过对本模型重力及肌力的加载，使其更接近于正常人体腰段力学状态。

System of coordinates and the transfer of axes are introduced to analyze the force and the moment of force. Based on this, the dynamic equation and the kinematics equation are built. Combining with the mass changes and the control relationship, the kinematics model of missile is completely set up. According to the subject studied in this thesis, and based on some assumptions, the model of Bank-to-Turn missile is built.

引入了研究导弹制导控制系统常用的坐标系及各坐标系之间的关系；分析了作用在导弹上的力与力矩，在此基础上建立了导弹动力学方程和运动学方程，结合导弹质量变化和对导弹的操纵关系，建立了空空导弹的运动学模型；针对本文的研究对象，在一定假设的基础上建立了倾斜转弯导弹的数学模型。

A mechanics model is presented in this paper which explains the combinative action of bending moment, shearing force and axis force, and some related calculation formulas are hereby deduced.

该文对弯矩、力及轴力联合作用下的板料弯曲提出了一个力学模型，并按此导出了有关的计算公式。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。