查询词典 magnetic flux

It was decided to replace an imprinting technology described in [1-5] with cross-magnetic inserts having a flux vector directed at 90 degrees to the primary magnetization vector of the stator and rollers.

这是决定取代印迹技术介绍[ 1-5 ]跨磁插入了磁通矢量针对90度的主要载体的磁化定子和压路机。

On the basia of hexagon stator flux trace method with Band-Band control,some improvements are made in the paper on the key sector such as the observation of magnetic field and a new scheme of polygon voltage vector control is presented in order to realize the fast regulation when three-value regulation is used to adjust torque.

使用两点式调节方法对定子磁链进行调节，实现六边形或圆形磁链轨迹方案，并在此基础上对直接转矩控制的关键环节磁通观测提出了改进意见，提出一种基于空间电压矢量调制理论的多边形电压矢量控制方案，以运用三值转矩控制方式实现转矩的快速调节。

The system consists of special wind pump assembly, large-capacity dust catcher, powder processing magnetic separation system, auto flux tank, feeding system and electrical control box.

本系统由特制风泵总成、大容量除尘器、粉末处理磁选系统、自动料筒、送料系统、电气控制盒组成。

The mass,flux density and wingding power consumption of the micromotor were the optimization goal,magnetic field,temperature and other requirements were the constraint condition.

通过多学科设计优化，电机质量减小了28.3%，气隙磁密增加了2.9%，绕组损耗减小了2.6%，提高了设计效率，在永磁微电机的设计中具有现实意义。

Using magnetohydrodynamic model, this project studies the dynamic structure of the solar wind, the magnetic energy buildup in the corona by photospheric shear, and coronal flux rope catastrophic phenomena.

本项目采用磁流体力学模型，研究太阳风动力学结构、日冕磁场的剪切储能及日冕磁绳的灾变现象。

In posthydration magnetic resonance images, the CSF regurgitant fraction was significantly increased after hydration, but the strokevolume, absolute stroke volume, mean flux, stroke distance,and mean velocity in the cranial direction were significantlydecreased.

在核磁共振影像中，扩容后 CSF 的回流明显增加，但是每搏输出量，绝对每搏输出量，平均流量，搏距和向头端方向的平均速率均下降。

The speed-sensorless vector control and the identification of motor parameters in this paper are the two novel research of vector control.Using asynchronous machine's mathematic model in three-phase static reference frame, this paper has derived it's mathematic model in two-phase static reference frameand in two-phase rotating reference frame, and got the coordinate transformance formulus based on the constant magnetic force and power force, by compared different field orientation methods, we can find that field orientation at rotor field can realize the decoupling of the stator current flux component

无速度传感器矢量控制和电机参数辨识是矢量控制的两个新的研究方向，本文利用异步电机在三相静止坐标系下的数学模型推导出两相静止坐标系、两相同步旋转坐标系下的数学模型，根据磁动势守恒和功率守恒的原则，得出各坐标变换公式；通过不同磁场定向方式的比较发现，异步电机按转子磁场定向时定子电流励磁分量和转矩分量可以比较方便地实现解耦。

So the finite element method is applied to analyze the magnetic fields of the motor. And then some important parameters of the motor are calculated accurately, including flux leakage coefficient, computed pole embrace, and computed armature length and so on .

本文采用了场路结合的方法，首先利用磁路法对电机进行初步设计，然后建立有限元分析模型对电机的参数和性能进行精确分析，采用这样的方法不但可以满足精确性要求，同时可以缩短设计周期。

Wall thickness is a key index for water-wall tube inspection in power plant,in order to inspect the tube quickly and evaluate the wall thickness quantitatively,a new method combining the magnetic main flux with ultrasonic technique was proposed.

壁厚是电站锅炉水冷壁管质量监测的一个关键指标，为了实现对水冷壁管的快速无损检测和质量评价，提出了主磁通检测与超声波检测相融合的壁厚检测新方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。