现就磁极的概念作出一些说明。
在任一个磁极的周围有一个力场。
比如，磁极的移动与北极的地点无关。
The movement of the magnetic poles is unrelated to the location of the North pole, for example.
而磁极的防护屏何时将失效也同样是不清楚。
Nor is it clear how long its protective shield will be down.
本发明涉及一种发电机转子磁极的焊接方法。
The present invention provides welding method of magnetic pole of a generator rotor.
地球的磁场大致就像是一块拥有两个磁极的磁铁。
The Earth's magnetic field is roughly like that of a bar magnet, with two opposite poles.
通常情况下，永磁电机各磁极的极弧系数相等。
In PM motors, all the PM poles usually have the same pole arc coefficients.
我们正在稳定磁极的翻转以保证它不会过早的发生。
We are stabilizing the shift in magnetic polarity so that it doesn't fall apart prematurely.
为什么我们找不到单独存在的南磁极或北磁极的磁极呢？
And Why can't we find an isolated magnetic north or South Pole?
本文详细介绍了永磁电机拼块式磁极的粘接方法及胶的选用。
The paper introduces the means of sticking and selection of adhesive for magnetic pole of permanent magnet generator.
本发明设计一种由两个带有不同磁极的锥形按摩件组成的磁疗仪。
This invention designs a magnetic therapeutic apparatus composed of two tapered massage devices with different magnetic poles.
地球磁极的方向，当不受当地磁场影响时，用来寻找北方磁极指示的方向。
The direction of the earth's magnetic pole, to which the north-seeking pole of a magnetic needle points when free from local magnetic influence.
有人认为，鸟类能觉察得出地球自北向南磁极的磁力线，因而能为自己导向。
It has been suggested that birds can sense the magnetic lines of force stretching from the north to south magnetic poles of the earth, and so direct themselves.
这个磁通值可以容易地从图5中永磁极的磁密和铁极磁密之间的差值和气隙面积求出。
The value of this flux can easily be deduced from the difference between flux densities at magnet poles and core poles shown in Fig. 5, and the gap area.
他们声称地球的自转和地球的磁极的关系不稳定，预示着平均每40万年就有一次的磁极颠倒。
They claim a relationship between the rotation and the magnetic polarity of Earth, which does change irregularly, with a magnetic reversal taking place every 400,000 years on average.
并利用电流控制器来控制电流量的大小与电流的方向性，以达到增减电磁力的强度与磁极的方向。
In addition, the current controlling device is used to control the amount and the direction of the current, and thus control the strength of the electromagnetic force and the polarity.
研究者们认为，是地球内部熔岩里对流流的作用使得整个地球像个拥有南北磁极的巨型磁体一样运转。
Researchers think it's the effect of convection currents in our planet's molten interior that causes the entire Earth to behave as one gigantic magnet, with a North and South Pole.
直流电动机中的电刷能够指示直流励磁磁极的位置，又可以控制电枢电流的相位，直流电动机应是箝位电动机。
In DC motor, the locality of axis of armature MMF was determined by the brush position, here the brush possessed a function of clamping.
效仿理想点磁极的物理模型，对实际磁针建立了分子电流细螺管的物理模型，并分析了库仑磁作用定律成立的条件。
Imitating the physics model of ideal magnetic pole, magnetized needles are modeled on many thin soleniodal circuits of molecular el…
本发明亦提供一分析器磁铁以及包括前述磁极的离子布植机，因此实现了一改良一离子布植机中的低能量离子束空间电荷中和的方法。
An analyzer magnet and ion implanter including the magnet pole are also provided so that a method of improving low energy ion beam space charge neutralization in an ion implanter is realized.
最近一次进行的调查是在2001年5月，这次调查确定了最新的磁极的位置并且确定磁极大致正在以每年40公里的速度向西北方向移动。
The most recent survey, completed in May, 2001, determined an updated position for the Pole and established that it is moving approximately northwest at 40 km per year.
打个比方，这个“磁极矩”可以让电子像一个微型的条形磁铁那样在磁场中旋转。
They act, in other words, like tiny bar magnets with north and south poles, making them rotate in a magnetic field.
普莱特还讲到根据记录地球的磁极与他的轴线之间有一段距离。
Plait goes on to note that, for the record, the Earth’s magnetic poles are distinct from its axis.
过去任何来自于核外层的厚度、粘性和导电性变化都会导致对流形式变化从而引起磁极倾斜。
Changes in the thickness, viscosity and conductivity of the outer core in the past could have led to convection patterns that caused the magnetic pole to tilt.
普莱特还讲到根据记录地球的磁极与他的轴线之间有一段距离。
Plait goes on to note that, for the record, the Earth's magnetic poles are distinct from its axis.
磁极互换每30万年发生一次，每次需要近5000年的时间完成这个过程。 1995年在俄勒冈发现了古代岩浆不寻常的磁场状态。
The magnetic poles swap every 300, 000 years, a process that normally takes up to 5000 years.
到底什么时候磁极将会颠倒从目前已知的证据中去预测还不能做到，但对此最适宜的猜测便是那一天的到来是好几个世纪以后的事情了。
Just when the magnetic field will flip is impossible to predict from what is known at the moment; the best guess is that there are still several centuries to go.
就我们所知道的，这种磁极转换不会对地球上的生命造成任何伤害。
As far as we know, such a magnetic reversal doesn't cause any harm to life on Earth.
除了采集样本，该小组还将测量星球的“磁极”并且实地考察使用一些专为俄罗斯载人月球航行设计的工具。
Besides taking samples, the team will also measure the planet's "magnetic poles" and conduct other fieldwork using tools designed specifically for Russia's mooted manned voyage to the Moon.
除了采集样本，该小组还将测量星球的“磁极”并且实地考察使用一些专为俄罗斯载人月球航行设计的工具。
Besides taking samples, the team will also measure the planet's "magnetic poles" and conduct other fieldwork using tools designed specifically for Russia's mooted manned voyage to the Moon.
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