Oersted demonstrated that electric currents could produce magnetic effects.
奥斯忒表演了电流能引起磁效应。
The chief effects of electric currents are the magnetic, heating and chemical effects.
电流的主要效应是磁效应，热效应和化学效应。
Galvanometer: Instrument for measuring small electric currents by deflection of a moving coil.
电流计：根据可动线圈的偏转量来测量微弱电流或电流函数的仪器。
They use tiny electric currents, and have thousands of circuits inside them, put tightly into tiny"chips".
现代计算机存储器利用微电流，内有数以千计的电路，经致密压缩成为微型“芯片”。
As he travelled, he set up instruments called magnetometers to measure electric currents in the upper atmosphere.
在航行的途中，他一路建立起了许多叫做磁力计的装置，以检测大气上层的电流状况。
He was daring; he scaled the Eiffel Tower to find the purest air for a study of electric currents in the atmosphere.
他很有勇气，他爬上了埃菲尔铁塔为了大气里的电流研究找到最纯的空气。
The technique generates a magnetic field on a small part of the skull which creates weak electric currents in the brain.
这种手段在一小块头骨上形成一个磁场，既而在大脑中产生微弱的感应电流。
Model equations of diffusion electric currents and liquid rates were established theoretically and solved analytically.
理论推导了扩散电流与液选的模型方程，得到了解析解。
The machine's magnetic fields are powerful enough to induce electric currents in human brain cells without being harmful.
此种器械产生磁场的功率足以在人的大脑细胞里激发出电流而不会使人体有所损害。
A radio antenna converts electric currents and voltages created by a transmitter into electromagnetic waves that radiate into space.
无线电天线会把发射器产生的电流与电压转变成电磁波，然后以辐射方式在空中传播。
Of course, even if the vessels did produce electric currents, this does not imply that ancient people understood how the objects worked.
当然，即使这些器皿确实可以发电，也不意味着古人就能明白其工作的原理。
Evidently electric currents of a peculiar kind had to be produced in order to render the process of nitrogen combustion more efficient.
显然，为了更有效地完成氮氧结合的过程，一种独特类型的电流必须被制造出来。
The electric currents generated by most living cells are extremely small - often so small that sensitive instruments are needed to record them.
大部分活细胞所产生的电流都非常小-常常是需要灵敏的仪器才能进行记录。
The electric currents generated by most living cells are extremely small – often so small that sensitive instruments are needed to record them.
许多生物细胞发出的电流都是极微小的，小到要用灵敏仪器才能记录和测量。
The polar ionosphere is strongly influenced by convection electric fields, auroral particle precipitation, and field-aligned electric currents etc.
极区电离层强烈地受到极区对流电场、极光粒子沉降和场向电流等的影响。
Damping: in physics, the restraint of vibratory motion, such as mechanical oscillations, noise, and alternating electric currents, by dissipating energy.
阻尼：物理学中，指因能量耗散使振荡、噪音、交流电之类的振动所受到的遏制。
That's when a series of experiments showed that bone is piezoelectric, meaning that bending or deforming its crystal structure creates local electric currents.
当一系列的实验显示骨骼是压电的，就意味着使它的结晶体结构弯转变形产生局部电流。
The technique involves the use of electromagnets positioned strategically on the head to create a magnetic field that sends tiny electric currents into the brain.
这项技术包括战略性放置在头上电磁石的应用，它产生一个发射微小的电流进入大脑的电磁场。
To allow more room for cameras and other electronics, Megill's team took cues from the knifefish, which keeps its body rigid to sense electric currents in the water.
为了能有空间装入相机和其他电子设备，梅吉尔的团队开始关注刀鱼，这种鱼可以让身体保持僵硬，来感知水中的电流。
Patients undergoing this treatment have a coil placed on their head which uses electromagnetic induction to activate weak electric currents via a changing magnetic field.
进行该项治疗的患者在头部置有一个线圈，这个线圈通过电磁感应在一个变化的磁场中激活弱电流。
Also, MMF of the field winding is represented as electric currents in the gap between poles, with regard to magnitude and direction of magnetic field at respective poles.
另外，用两极之间的电流表示励磁绕组磁动势，对应于各极之间磁场的大小和方向。
Also, MMF of the field winding is represented as electric currents in the gap between poles, with regard to magnitude and direction of magnetic field at respective poles.
另外，用两极之间的电流表示励磁绕组磁动势，对应于各极之间磁场的大小和方向。
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