The magnet creates a field that changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个磁体创建一个磁场，能改变覆盖在磁盘表面的小金属粒子的极性。
The Earth's magnetic field is roughly like that of a bar magnet, with two opposite poles.
地球的磁场大致就像是一块拥有两个磁极的磁铁。
In the experiment, the compass detected magnetic fields with a strength between 0.1 gauss, which is less than the Earth's magnetic field, and 200 gauss, which is stronger than a small iron magnet.
在试验中，罗盘探测到的磁场强度范围从低于地球磁场的0.1高斯到高于一小块磁铁的200高斯。
Other objects become magnetic only when in a magnetic field caused by a permanent magnet or an electromagnet.
其它物体只有在处于永久磁铁或电磁铁形成的磁场中时才具有磁性。
Field wound and permanent magnet models suited to industrial and submersible applications.
适合于工业和潜水领域的伤口和永久磁铁模型。
Watch has a component called gossamer, this thing is most afraid of watch in the magnetic field near a magnet, spring will be magnetized.
手表里有个部件叫游丝，这东西最怕的就是磁场，手表在靠近磁铁后，游丝会被磁化。
The calculation design system for magnet & magnetic field is a kind of special calculation and analysis software.
磁场计算与磁体设计系统，是一种用于计算永磁体空间磁场分布的专业软件。
Surrounding the special magnetic field distribution of the rectangular magnet, series research of fundamental experiments, theoretical analysis and computing simulations were presented.
本文围绕矩形永磁体的空间磁场分布问题，进行了系列理论研究、基础实验研究及数值模拟研究。
This paper presents a novel artificial heart, which is directly driven by a compact permanent magnet synchronous motor (PMSM) with axial-field configuration.
提出的新型可植入式人工心脏是由轴向磁场结构的永磁同步电动机直接驱动。
To design the magnet structure, finite element method is used to analyze the permanent magnetic field.
在磁体结构设计中，本文采用有限元软件分别对单、双环形永磁结构进行了分析计算。
However if a permanent magnet is put near the bottom of cup it will produce a heterogeneous magnetic field and act on the aluminum ball to produce a magnetic buoyant force.
但当下方永久磁铁靠近杯底时，在磁液中产生非均匀磁场，对铝球作用一磁性浮力。
The exact formula set for the midplane of the uniform-field wedge magnet is derived.
本文推导了均匀场楔形磁铁在中心平面的精确光学公式。
The field from the coil opposes the field of the magnet, allowing the contacts to open.
线圈形成的磁场抵消掉磁铁的磁场之后，既可是触点打开。
A thermal field model of a solenoid magnet is built in this paper.
建立了螺管电磁铁的温度场模型。
The strongest field in this magnet, does not sit in the matter.
这块磁铁最强的场强不在物质中，而是人看不到的某处。
This paper reports a differential magnetic localization algorithm in high background magnetic field that interferes localization of permanent magnet.
为了有效去除高背景磁场对永磁体定位的磁干扰，本文提出了一种高背景磁场下的差分磁定位算法。
An experimental set up of travelling magnetic field excited by supper power permanent magnet was designed, which has obviously refine function for metal solidification structure.
开发了一套以强磁性永磁体为驱动介质的行波磁场发生器，该装置具有使金属凝固组织微细化的作用。
In a permanent magnet brushless motor, airgap field excited by a 2-pole magnet ring with parallel magnetisation is sinusoidal.
永磁无刷电机中，平行充磁的2极磁环产生的气隙磁场是正弦分布的。
Strong attraction of ferromagnetic objects may occur at close distances to the magnet, where the magnetic field is above 50 to 100 gauss.
在靠近磁场时，磁场强度达到50 - 100高斯，对铁磁性物质产生强吸引力。
With the calculation and measuring experiment methods, the effect of vacuum chamber materials magnetic permeability on field distribution in a dipole magnet is discussed.
通过计算机模拟计算与实验相结合，讨论了真空盒磁导率对二极磁铁磁场分布的影响。
Aim at the requirements of accuracy, speediness and applicability in vessel's degaussing process, a magnetic field compensation method is presented based on the magnet simulation theory.
针对舰船消磁系统快速准确解算、通用性强的设计要求，以磁体模拟理论为基础，提出了基于磁体模拟法的舰船磁场补偿技术。
This paper presents a field-oriented vector control system for permanent magnet synchronous motor.
本文阐述了永磁同步电动机磁场定向矢量控制系统。
Design of a pulsed power source in the low field nuclear magnet resonance (NMR) system with the advantages of practicality, reliability, economy and simplicity is proposed in this paper.
本文提出了一种实用可靠、经济简单的低场核磁共振系统的脉冲功率激励源设计方案。
A longitudinal gradient magnetic field was introduced into the discharge space by placing a permanent magnet under the substrate.
通过在基片的下方放置磁铁，在放电空间中引入了纵向的磁场梯度。
A method for measuring 3-d magnetic field of the permanent magnet with three single-dimension Hall probes was proposed.
提出了一种采用3个一维霍尔探头进行三维测量小型永磁体空间磁场的方法。
Put pulley and rotor of the centrifugal together and made full use of magnetic field, the centrifugal permanent-magnet direct-current generator reduces the cost.
离心式永磁直流发电机把皮带轮与离心式转子设计为一体，磁场得到了充分利用，降低了成本。
Conclusions: the contrast effect of low field permanent magnet type MRCP is the same with moderate and high field superconducting magnet type and similar in clinical application value.
结论低场强永磁型磁共振MRCP与中高场强的超导型磁共振MRCP同样具有很好的造影效果和同样的临床应用价值。
Conclusions: the contrast effect of low field permanent magnet type MRCP is the same with moderate and high field superconducting magnet type and similar in clinical application value.
结论低场强永磁型磁共振MRCP与中高场强的超导型磁共振MRCP同样具有很好的造影效果和同样的临床应用价值。
应用推荐