查询词典 magnetic performance

These systems include neutral particles with general spin and magnetic moment moving in an arbitrarily varying uniform magnetic field or in the field of a circularly polarized electromagnetic plane wave, the generalized time-dependent harmonic oscillator, and Heisenberg model in a rotating magnetic field.

包括具有一般自旋和磁矩的中性粒子在任意时变均匀磁场中的运动、在圆偏振平面电磁波场中的运动，一般含时谐振子体系，旋转磁场中的 Heisenberg 模型等。

Especially, spinel half-metal materials have high Curie temperature, stable physical properties, and large room-temperature spin-polarization so that they have huge potential application in many areas including read-write magnetic head of computers, magnetic static-state random memorizer, magnetic sensors and spin transistors.

尤其是尖晶石结构半金属材料因居里温度高、性能稳定、室温自旋极化率大等优点而被认为是最具应用潜力的自旋电子材料之一，它在计算机读写磁头、磁静态随机存储器、磁性传感器、自旋晶体管等自旋电子器件中极具应用潜力。

The diagnosis of the winding current and the change rate of magntic flux on the magnetic core provides necessary value for determining the hysteresis cycle,saturated magnetic flux intensity and retentiveness of magntic core. Principle of this diagnosis and method of dynamic parameters on magnetic core are discussed.

讨论了基于高电压放电和脉冲压缩方法测量磁芯动态参数的原理，给出了测试装置的电路原理和电路元件参数的选择方法，测量了大型磁开关磁芯快脉冲条件下的电参数，计算了相关的磁参数，给出了实验结果。

Turn arm was joined with pressure spring join rod of contactor, and magnetic circuit with lesser magnetic resistance consisted of magnetic fields of move iron core and permanent magnet to form retentiveness.

拐臂和触头压力弹簧的连杆相连，动静铁心对永久磁铁的磁场构成小磁阻磁路，形成保持力。

Detailly,signals of background magnetic field is filtered by fixed frequency of sample and hold circuit which is supplied by logic circuit,and the signals before objects appear are tracked dynamically which are then compared with the ones after objects appear by comparator circuit,in order to furthest obtain the signals of target magnetic field on the basis of background magnetic field compensation.

运用逻辑脉冲电路为采样保持电路提供固定频率滤除背景磁场信号，并对目标未出现时的信号进行动态跟踪，运用比较电路将目标出现前后的信号进行比较，从而在补偿背景磁场的基础上最大限度地获得目标磁场的信号。

This article analyzed has used the self-formed law preparation the CuFe2O4 magnetic fluid to study under not the identical magnetic field, different volume score magnetic fluid to its optical transmission rate influence.

本文分析了采用自形成法制备的CuFe2O4磁性液体来研究在不同1磁场下，不同体积分数的磁性液体对其光透射率的影响。

We proposed a set of tabulate shim coils to improve the imaging field homogeneity for permanent magnet. By studying the magnetic spherical harmonics and its Taylor expansion, the proposal of designing lower-order radial coils was derived including x, y, xz, xz~2, x~2-y~2 etc. In addition, a novel composite design was presented for the axial coils. By controlling the shim currents of axial coils, different axial magnetic fields can be obtained. This method simplified the design process of axial coils, and made the axial correcting magnetic field more precise.

本文针对永磁体的组成结构提出了一种平板式匀场线圈设计方法，通过研究成像磁场的球谐函数以及通电圆弧在自由空间产生磁场的泰勒展开级数，导出了x、y、xz、xz~2、x~2-y~2等低阶径向线圈的设计方法，同时针对轴向线圈提出了一种新的混合式设计方案，能够通过控制线圈中的电流组合实现对不同轴向磁场分量的获取，简化了轴向线圈的设计过程，提高了校正磁场的准确性。

The concept of magnetic suspending hard disk is put forward,the basic principle of active magnetic force bearing with 5 freedom based on coupling excitation is introduced,the calculation formula of magnetic force and design formula of main structure parameters are inferred.

提出磁悬浮硬盘的概念，介绍了基于耦合激磁的 5自由度主动磁力轴承的基本原理，并推导了磁力的计算公式及其主要结构参数设计公式。

Fix a super intense magnet at the north pole of the terrestrial globe, the top of the terrestrial globe is the magnetic field controller which senses the distance between the terrestrial globe and the controller through the sensor; when the distance becomes shorter, the controller will automatically reduce the magnetic field; on the other hand, when the distance becomes greater, the controller will automatically increase the magnetic field and, in this way, guarantee a certain distance between the terrestrial globe and the controller.

在地球仪的北极固定一个超强磁铁，地球仪上面是磁场控制器，通过传感器感知地球仪与控制器的距离。

The thesis reports the magnetic properties of paramagnetic light rare earth trifluoride NdF_3 under low temperature and the high magnetic field by using quantum theory. The theoretical quantitatively results are compared with the experimental ones, in order to probe into the theory of the microscopic mechanism of magnetization of substance when the temperature is low and applied magnetic field is high.

本论文用量子理论对顺磁材料NdF_3在低温、强磁场作用下的磁特性进行了理论研究，并将其结果与实验进行了比较分析，探索材料在低温、强场的情况下磁化的微观机理。

At the time of his urban camouflage period, Liu Bolin's financial situation is disastrous and he realises that he must produce more saleable works and so he returns to sculpture, more adapted to the market than the camouflages.

在城市迷彩期间，刘勃麟的经济状况很差，他意识到自己必须创作有市场的作品。他重新回到比城市迷彩更适合市场的雕塑作品上来。

And I borrowed your cologne. I hope she likes it.

我借了你的古龙水希望她会喜欢