查询词典 torque force

Methods To choose 24 adult healthy male SD rats, take the first molar and middle slice tooth of right upper jaw as experimental teeth, divide them into 4 groups: Normal force 3-day group; force with restriction of sleeping 3 -day group; Normal force 7-day group; force with restriction of sleeping 7-day group.

取成年健康雄性SD大鼠24只，采用大鼠右侧上颌第一磨牙和右侧上颌中切牙为实验牙，随机分为4组：正常加力3天组，睡眠限制加力3天组，正常加力7天组，睡眠限制加力7天组。

In design of anti-sliding pile, the most foundation and most important problem is how to determine the distribution feature of the interaction force between anti-sliding pile and surrounding rock under pushing force of sliding body, that is the distribution feature of sliding pushing force and remnant resistant sliding force.

在抗滑桩设计中一个最基本、也是最重要的问题是确定抗滑桩在滑坡体推动下，桩身与周围岩土体之间作用力的分布特征，即滑动面以上滑坡推力与剩余抗滑力的分布特征。

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。

Experiential formula indicates that the effect of the aiguille's diameter on the drilling force and torque moment is maximal,the feed rate takes second place and cutting speed is minimal.

由经验公式可以确定：对钻削力和扭矩影响最大的是钻头直径d，进给量f次之，切削速度v的影响最小。

On this basis,back electromotive force without load and with load is researched,simulated and analyzed,and cogging torque is analyzed and calculated in different dimensions of magnetic steel.

在此基础上，仿真了空载和负载下的电机反电动势，并且对不同磁钢尺寸下的定位力矩进行了分析计算。

Additionally, torque ripples produced by both the nonideal back electromotive force and low-speed current commutation could be restrained.

同时，系统能够有效地抑制非理想反电势和低速时电流换相引起的转矩波动。

The static and dynamic performances of BLDCM were simulated,and the back electromotive force,phase current,torque and speed curves were demonst...

该模型准确易行，便于替换和修改，为今后分析该类电机和对其控制策略的研究提供了新的方法。

To overcome these two deficiencies in the existed system, the back electromotive force shape function method is proposed to realize the real time calculation of phase voltage and make the estimation of torque easer.

最后给出的仿真与实验结果证明了反电势形状函数法用于无刷直流电机直接转矩控制中的可行性与有效性。

First, right coordinate system is chosen to analyse force and torque in the bomb flying course , particle ballistics model of vertical attack face is built ,after that, ballistics plan composed of four phases ,namely slide 、transition、dive and attacking angle backing to zero , is designed which can achieve demands for both cannon-shot and precision.

首先选取合适的坐标系分析了制导炸弹在飞行过程中所受的力和力矩，建立了纵向攻击面的质点弹道模型。在此基础上，按既要满足一定射程又要满足一定精度的技战术要求设计、优化出包含滑翔、过渡、俯冲和攻角回零四段的方案弹道。

Researches show that the drive force characteristics of the electric tractor drive system based on series DC motor is close the ideal characteristics, the curves are concave, low speed with constant power, and high speed with constant torque; the electric tractor has large working speed under different shifts, but the extensive coincidence speed shows that the variable ratio of the gear is unreasonable; the maximum climbable gradient of this electric tractor is more than 30%, and does not need frequent shift when working for its extensive climbable gradient; there are many influence factors of continuous working time, which the more obvious factors are working speed and working load, the working time increases with the increase of the working speed and working load.2. Simulation researches on the drive characteristic of the electric tractor.

研究结果表明：基于串励直流电动机(来源：ABC21论文网www.abclunwen.com)的电动拖拉机电驱动系统的驱动力特性场接近理想驱动力特性场，其各挡下的驱动力特性是一组下凹的曲线，低速恒转矩，高速恒功率；同一行驶速度下所对应高挡驱动力大于低挡驱动力，这是由电机的调速特性决定的；电动拖拉机各个挡位下具有较广的稳定作业速度范围，但是各个挡位之间速度重合的范围较多，说明所用变速箱变速比与电动机匹配不合理；电动拖拉机最大爬坡度达到30%以上，并且各挡爬坡度变化范围较广，作业过程中不需要频繁换挡；影响电动拖拉机连续作业时间的因素较多，其中作业行驶速度和作业负荷影响最为明显，作业负荷越大，连续作业时间就越短，作业速度越快，连续作业时间就越短。2、电动拖拉机驱动特性仿真研究。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。