查询词典 magnetic flux

High extent is in proper order: paramagnetism matter＞ferromagnetism matter＞diamagnetism matter. The highest values of retention rates are occurring in 0.3 T.The article summarizes the effect of magnetic field on the fermentation liquid membrane filtration process. Found that magnetizing also can increase the membrane flux and the removal rate of protein and COD.

文章从物质的磁性来源、分子间位能和外加磁场的关系，黏度、表面张力和内能的关系以及外加磁场出现多极值的原因分析等方面分析了外加磁场影响物质性能的原理，认为外加磁场对物质性能的影响在于外加磁场影响了分子的取向，从而引起了溶液中分子的重排所致。

The ion implanter has an ion extractor and a mass analyzer for deflecting ions in a predetermined direction regardless of the charged state of the ions. A polarity converter changes the flux direction of a magnetic field in the mass analyzer according to the charged state of the ions.

该离子注入机具有：离子分离器；质量分析器，用于按照预定方向偏转由离子分离器导入的离子，而无论离子的带电状态如何；以及极性转换器，用于按照离子的带电状态来改变质量分析器中磁场的通量方向。

At the same time ,the sample machine's distribution diagram of the magnetic line of force and the sample machine's wave of the flux density in the air gap are given.

通过对同步发电机的电磁场计算结果进行后处理，得出了同步发电机的旋转磁场波形、电压波形以及空载特性曲线。

These magnets have north and south poles across which flux, or magnetic energy, flows.

这些磁铁有南北极之间的流量，或磁性能源，流动。

The Magnetic Bridge provides the necessary flux levels to achieve saturation of the plate thickness to be inspected.

磁桥提供了必要的通量水平，使被检测的钢板厚度范围内达到饱和。

In accordance with the basic principle and method of vector control, by using Matlab/Simulink module, a simulation model of vector control system that is offering torque and magnetic link for AC asynchronous motor is built based on rotor flux directional rotating coordinates.

依据矢量控制的基本原理和方法，在基于转子磁场定向的旋转坐标系下，采用Matlab/Simulink模块构建了一个具有转矩、磁链闭环的交流异步电机矢量控制系统仿真模型。

In two cases with uniform initial By distribution, the recurrent f ormation and successive ejection of flux rope structures are illustrated un der the action of plasma inflow caused by the dawndusk electric field. It is n oticeable that in the cases with the modificative terms, a reduction of the aver aging magnitude of peak pressure and a considerable enhancement of the av eraging strength of core magnetic field are exhibited for the multiple magneti c structures.

对于 初始By分量为均匀分布，受晨昏电场产生的边界入流作用，磁尾通量绳结构重复形成与逐一排放的两个算例，计入修正项后，多重磁结构峰值压强的平均值降低，核心场的平均值明显增大。

These flux tubes emerge on the photosphere surface and form small-scale magnetic fields.

上升到光球表面的这些磁通管就形成了小尺度磁场。

The magnetic induction density,flux and magnetic field distribution of the electric machine are solved by finite element method,and the calculation methods of the leakage coefficient ,pole-arc cofficient and inductance are presented respectively.

利用有限元方法对电机的磁感应强度、磁通以及磁力线分布等进行求解，并提出了漏磁系数、极弧系数和电感的计算方法，与实验结果比较证实了计算方法的正确性。

The first control strategy has the disadvantages such as a large amount of computations, inherent pull-out torque, difficulties in realizing the adaptive control and so forth. For the rotor flux-oriented control, changing of load or the rotor speed will result in increased or decreased torque winding currents, which will change the magnetic field distribution in the air gap. Assumption that magnetic field is approximately equal to that generated by torque windings will affect the levitation performances.

分析表明：气隙磁场定向控制中存在最大转矩限制、非线性机械特性，难以实现自适应控制等问题；对转子磁场定向控制而言，当负载或转速变化时，由于转矩控制绕组转矩电流变化将导致气隙磁场发生改变，如果仍以转子磁场近似替代气隙磁场作为悬浮依据，必然影响到悬浮控制性能。

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。