假设有人在桌子上摆一个铁球,那么这个铁球立刻就会朝着磁铁的方向滚动过去。
Suppose someone to place an iron ball on the table, then this ball will run straightway towards the magnet.
如果你用一块具有较强磁力的颚型磁铁,然后把液氧倒在颚型磁铁的中间,氧气会停在颚型磁铁中。
If you take the jaws of a powerful magnet and pour liquid oxygen in between the jaws, the oxygen will stop and will sit in the jaws.
它是超强永久磁铁的关键成分。
说到第三项,你可以想象磁铁的功能。
To speak to the third, imagine, if you will, the function of the magnet.
极性是磁铁的固有性质。
在每块磁铁的周围都有一个磁力作用的区域。
Surrounding every magnet there is a region where magnetic forces act.
我们通过磁铁的作用知道磁性是怎么一回事。
条形磁铁或马蹄形磁铁的磁态是极其复杂的。
The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
这样通过控制电磁铁的电流就控制了机械运动。
This current by controlling the electromagnet to control the mechanical movement.
你会感到好奇,为什么磁铁的两极会指南北呢?
You may wonder why the magnet 's poles point north and south.
但是在乌云密布的日子里,带有磁铁的家鸽就会迷路了。
But on cloudy days, the pigeons with magnets could not find their way.
制造磁铁的情况基本相同,除了我们会利用磁场来排列铁粒子之外。
Manufactured magnets are basically the same thing except that we use induced magnetic fields to line up the iron particles.
线圈形成的磁场抵消掉磁铁的磁场之后,既可是触点打开。
The field from the coil opposes the field of the magnet, allowing the contacts to open.
主要是提供电磁铁的直流电源及完成(吸、放料)控制要求。
The main purpose is to provide DC power supply and complete (suction, discharge) control requirements.
悬挂着的导线下端放在一个小型马蹄形磁铁的两个磁极之间。
The bottom part of the hanging wire is placed between the poles of a small horseshoe magnet.
他把几块磁铁合并起来加强了磁力,儿子说他知道这正显示了磁铁的磁场。
He was using several magnets together which compounded the effect. He said that he knew it was a demonstration of the magnetic field of the magnets.
本文着重介绍磁铁在间隙中的作用,以及如何确定磁铁的尺寸。
The function of magnet in the gap and the calculation of the sizes of the magnet are introduced.
其它利用电磁铁的装置有粒子加速器、电话听筒、扬声器和电视。
Other devices that utilize electromagnets include particle accelerators, telephone receivers, loudspeakers, and televisions.
遇到这种情形,CERN将调整补偿磁铁的强度以诱使粒子束重新回到平面上。
In that case, CERN would adjust the strength of compensating magnets to coax the beam back into shape.
你可能会感到奇怪,为什么磁铁的两极会指向南北呢?(加了数词)
You may wonder why the magnet's poles point north and south?
钕磁铁的N42提供了最佳平衡的耐用性和磁铁强度(电流输出)。
The N42 neodymium magnets provide the optimal balance of durability and magnet strength (current output).
在烘焙前测试一下磁铁的磁性比较好,这样可以保证磁性的一面朝上。
It's a good idea to test the magnet before baking to be sure the "magnetic" side is up!
这时假设有人在桌子上摆一个铁球,那么这个铁球立刻就会朝着磁铁的方向滚动过去。
Now, suppose some one to place an iron ball on the table; then will this ball run straightway towards the magnet.
有一个目标是:钕,一种稀土元素,用于从话筒到风力涡轮机等一切使用磁铁的产品。
One target: neodymium, a rare-earth essential for magnets used in everything from microphones to wind turbines.
使用者的紧张举动停止后,电磁铁的效应随之消失,因此使用者得以减压。
Once the nervous movements stop, so do the effects of the electromagnets.
当天的晚些时候,我12岁的大儿子在他的自然科学课上绘制了一幅磁铁的磁场分布图。
My 12 year old had a lesson in his science course later that day that mapped magnetic fields of a little bar magnet.
看来,如果你看到一个你看到其他的,好像他们有某种形式的磁铁的吸引力。
It seems as if you see one you see the other as if they have some sort magnet attraction.
安装在底部两个照片是企图附带两个磁铁的排斥反应的相反方向封闭的圆筒高速。
The setup in the bottom two photos is an attempt to spin two magnets in rejection in opposite directions enclosed in the cones at high speed.
2008年9月,对撞机正开始第一轮质子循环时,两块超导磁铁的连接处发生毁灭性的故障。
The machine had just begun circulating its first protons in September 2008 when a connection between two of its superconducting magnets failed catastrophically.
之前,当它还是一个比较小的磁铁的时候,我可以用你们能看见的大小让他们相互作用。
Before, when it was a smaller magnet, I could interact in the size that you could see.
应用推荐