查询词典 magnetic

The ability of magnetic particles to concentrate depends on both the blood flow rate and the intensity of magnetic field.

磁颗粒的聚集的能力取决于血流速度和磁场的强度。

The magnetic field of magnet is the same with the magnetic field of electric current, they all caused by the movement of electric charges.

磁铁的磁场跟电流的磁场一样，都是由电荷的运动产生的。

The fundamental formulae of magnetic field were used to deduce the formulae for the three-dimensional magnetic field of tubular magnet.

应用磁体空间磁场规律的基本公式，推导了管柱形永磁体的三维空间磁场规律计算公式。

The conversion between the electromagnetic energy and mechanical energy is completed in the magnetic field, and permanent magnet was applied in this designing to establish magnetic field to complete the conversion of energy.

电机中的电磁能与机械能的转换是在磁场中完成的，本设计中采用永磁体建立磁场，完成能量的转换。

Firstly, according to electromagnetic field theory, the 2-dimensional (2-D) mathematical model of a three phase squirrel-cage Y802-2 induction motor is developed. Then general equations can be deduced from finite element discrete and functional analysis. The motor's 2D solving region of electromagnetic field is given based on the boundary conditions and assumption conditions of the squirrel-cage induction motor. Through finite element mothod and inner–outer convergence method, magnetic field distributions and magnetic forces of bars can be calculated in following rotor conditions: health rotor, one single broken bar, two adjacent broken bars, two broken bars with one good interval, two broken bars with two good interval and four adjacent broken bars.

本文首先根据电磁场理论建立Y802-2型三相笼型感应电动机二维电磁场的数学模型，并对其进行了有限元离散以及泛函分析，推导出总体方程；在基本假设和边界条件基础上，给出笼型感应电动机二维电磁场的求解区域，然后应用有限元并结合内外双收敛方法，对样机稳态运行进行数值计算，得出电机在转子完好、一根导条断裂、连续两根导条断裂、间隔一根两根导条断裂、间隔两根两根导条断裂及连续四根导条断裂六种情况下的磁场分布和导条所受电磁力的变化情况。

The phase of the magnetic field in this startup winding is shifted from the phase of the mains power, allowing the creation of a moving magnetic field which starts the motor.

启动绕组磁场的相位随着电网的相位变化而变化，从而产生一个启动电机的旋转磁场。

By the deep analysis on winding eddy current loss mechanism of the transformer in forward-flyback converter, a new idea is proposed that the magnetic field in winding window of the transformer can be considered as the combination of the two components, that is, transformer field component and inductor field component. The orthogonal characteristics of the two magnetic field components in CCM are further revealed.

通过深入研究正反激变换器中的变压器线圈涡流损耗机制，指出其线圈窗口磁场可分离为变压器特性的磁场和电感器特性的磁场，证明了连续导通模式时上述两种特性磁场为正交的，进而提出一新型线圈损耗解析建模方法，新方法可以有效提高模型精度。

This paper introduced the basic principle of the magnetic flux vector control technique and the basic composition of it s circuit, mainly introducing the method and the control process in which magnetic flux vector control technique is used to improve the control property of big bridge crane , and to get good results.

介绍了磁通矢量控制技术的基本原理及其电路的基本组成。着重介绍了磁通矢量控制技术用于改善大型桥式吊车控制性能的方法和控制过程，以及该技术应用所取得的良好效果

The quality magnetic susceptibility curve and the frequency magnetic susceptibility curve have been established.

建立了成都平原4 ka以来的质量磁化率曲线和频率磁化率曲线。

In this project we propose to investigate the electronic and magnetic properties on selected gapped materials by means of nuclear magnetic resonance measurements.

在本计画中，我们提出利用固态核磁共振技术来探测一些具有能隙结构材料的电和磁性质。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。