查询词典 magnetic flux

With the rapid development of the recording density, it is required that the magnetic head materials should have much higher saturation magnetic flux density.

硬磁盘记录密度的迅速发展，要求薄膜磁头材料具有更高的饱和磁感应强度，进而使铁基薄膜逐渐成为研究的热点。

The simulated results show that the magnetic flux density is the largest and magnetic field distribution is most uniform under the round electromagnetic stirrer.

通过对磁场和流场的数值模拟，分析了电磁参数和电磁旋流装置结构对钢液内磁感应强度和旋流速度大小及分布的影响。

The motor s physics process in the changing of magnetic store energy and mechanism and parameter calculation in the self inductance, mutual inductance, magnetic flux linkage and electromagnetism torque is discussed in such respect of multi return and electromagnetism torque theory.

从多电流互感回路理论出发，以电磁转矩这一机电耦合项为依据，讨论电机的磁场储能与机械能相互转换的物理过程、隐极电机的电流回路中自感和互感参数计算、磁链方程及电磁转矩计算

We also discuss some distributing characteristic about the magnetic field in the magnetic flux leakage testing.

还讨论了漏磁检测中漏磁场的一些分布特性。

Intensity of magnetic flux ; curie temperature ; magnetic hysteresis loop ; saturation of magnetism

磁通密度；居里温度；磁滞回线；磁性饱和

And 0.4～0.6 respectively for the induction coil with round crosssection and rectangular cross-section; The magnetic flux density of coil made with round pipe was nonuniform, especially near the inner wall of coil turns that caused a fluctuation of electromagnetic pressure on the surface of liquid metal and had a bad effect for forming a sample with uniform cross-section and smooth surface; The system of screen and restraint magnetic field not only had an efficient effect on restraining the electromagnetic stirring and stablizing meniscus, also caused the conecial periphery of melt to be vertical; The position of top and S/L interface of melt had a direct effect on the meniscus shape. The meniscus profile varied from cone-shaped through column to cucurbituceous shape with the increase of top height or decrease of S/L interface.

对圆形截面、矩形截面感应圈来说D/H分别取0.7～1.1，0.4～0.6较为理想；对多匝感应圈来说，在匝间处存在漏磁，易引起熔体表面起伏不平，这种现象在用圆铜管绕制的感应圈中较为明显；屏蔽—抑流系统的加入可以消除电磁搅拌，使熔体稳定性增强，同时可使形态呈锥形的熔体侧面变得垂直成为理想形态；熔体上液面、固/液界面的选位直接影响成型形态，上液面升高，熔体形态经历锥形→柱形→葫芦形的转化，固/液界面下降则经历锥形→葫芦形的转变。

Magnetic flux leakage of cylinder point flaw was computed by using scalar quantity magnetic potential method.

本文由标量磁位计算圆柱形点缺陷的漏磁场，然后计算穿过式线圈及旋转式线圈探测点缺陷的漏磁场产生的感应电动势，分析这些检测信号的特性并得出相应的结

In the symplectic geometry space, which consist of the original variables, the displacement, electric potential, magnetic potential, and their duality variables, lengthways shearing stress, electric displacement and magnetic flux, the magnetoelectroelastic solids problems are led into symplectic solution system, so the effective methods of mathematical physics like the separation of variables and symplectic eigenfunction expansion can be employed to solve the problem.

在由原变量-位移、电势和磁势以及它们的对偶变量-纵向的剪应力、电位移和磁感应强度分量组成的辛几何空间，将电磁弹性固体问题导入辛求解体系，从而使有效的数学物理方法如分离变量法及辛本征向量展开法可以用于该问题的求解。

Combination with the practice of domestic aluminium production industry, the 3—D current distribution, magnetic flux density, electro—magnetic force, melt flow velocity field of three diffrent cells, that is, 80KA Soderberg cell with vertical stub, 155KA prebake cell, 160KA prebake cell were computed and the related computer—simulated pictures were drawn by use of the softwares we made.

本文利用电流分布、磁场、电磁力场和流场的计算软件，结合我国生产实际计算了80KA上插自焙槽，155KA预焙槽，160KA预焙槽三种不同槽子的三维电流分布，槽内磁感应强度，熔体中电磁力场，熔体流速场，绘制了相应的计算机仿真图，为了增加计算软件的可靠性、用铁棒法测定了80KA上插自焙槽，155KA预焙槽的铝液流速，测定值与计算值符合较好。

A magnetic source and condenser for creating magnetic flux within a ferrous pipe comprises a rectangular magnet having a pair of opposing major faces and a pair of pole pieces sandwiching the magnet.

磁性来源和冷凝器为导致涨潮垂线对气体和液体流程在亚铁和非铁质管子里摘要一台磁性来源和冷凝器为创造磁性涨潮在一个亚铁管子之内包括一块长方形磁铁有一对反对主要面孔和一对杆片断将磁铁夹在中间。

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。