A powerful electric current is passed through a piece of graphite.
一股强大的电流被传导经过一块石墨。
In the winter, ECC can be heated by passing an electric current through it, thereby preventing ice buildup.
在冬天，ECC可以通过电流加热，从而防止结冰。
An electric current has caused heat around the tip.
通过电流加热针的尖端。
Typically, an electric current breaks the water down.
我们通常都用电流来分解水。
Electric current is a flow of atomic particles called electrons.
电流是由叫做电子的微粒流动而形成的。
Similarly, moving a magnet creates an electric current in a neighbouring wire.
同样，移动磁体也可以使线圈中产生电流。
They are switches that enable one electric current to control the passage of another.
它们以开关的方式工作，使得一个通路中的电流可以控制另一通路中的电流。
If electric wiring is shorting out, shut off the electric current at the main box.
如果电线短路，请在主控箱切断电源。
They found that protons do flow steadily across the nanotube, carrying an electric current.
他们发现，质子流稳定通过碳纳米管，形成电流。
Solar panels generate electricity by converting photons (packets of light energy) into an electric current.
太阳能电池板通过将光子(光的能量包)转化为电流来发电。
When the device is switched on the nanotubes carry an electric current with a power of about 300 microwatts.
当我们打开装置的开关后，这些碳纳米管就带有约为300微瓦能量的电流。
This forces the freed electrons to travel to the second electrode through a wire, creating an electric current.
而自由电子则通过一条导线移动至第二电极，从而产生电流。
This movement of charged ions, when the eel is in a conductive solution like water, creates an electric current.
当鳗鱼在像水一样的导电溶液中，这种带电的离子便会产生电流。
A keyboard was linked to rotors, powered by an electric current, which transposed every keystroke several times.
它的键盘与电流驱动的转子相连，在每次击键时，转子会多次转换。
Until recently, scientists depended on snorkeling, netting or using an electric current to temporarily capture fish.
直到最近，科学家们还依赖浮潜、下网或使用电流来临时捕鱼。
Michael Faraday discovered in 1831 that an electric current flowing in a wire induces a secondary current in a neighbouring wire.
1831年，迈克尔·法拉第(Michael Faraday)发现，在一根电线内流动的电流会在邻近的一根电线内产生次级电流(secondarycurrent)。
Then a turbine began to run inside a small, redbrick hall at Tofte, a few kilometres south-west of Oslo, and electric current emerged.
接着，离奥斯陆西南几公里远的托夫特的一个红砖小房里，涡轮机开始运转，于是电流就产生了。
Forcing an electric current across that junction causes the metal on one side to heat up, and the metal on the other side to cool down.
电流通过中间的调节器，使其一端的金属升温，并使另一端的金属降温。
Creating a magnetic field using electricity is easy: an electric current flowing in a wire generates a magnetic field around that wire.
用电流产生磁场容易：当电流在金属线圈流动时，磁场也随之产生。
There exist neither perfect insulators nor perfect conductors, for all substances offer opposition to the flow of electric current.
没有绝对的绝缘体也没有绝对的导体，因为一切物体对电流都有阻力。
Piezoelectric crystals produce an electric current when bent and have many USES - the igniter on a gas barbecue grill being one of them.
压电晶体在发生弯曲时能够产生电流，并且已有很多用途——燃气烧烤的点火器就是其中之一。
An electric field created by adding impurities to the silicon splits the electron-hole pairs apart, which results in an electric current.
给分离的硅参入杂质电子区域就产生电子空穴对分离从而形成电流。
Traditional fuel cells work by using a catalytic material to oxidise a fuel, such as hydrogen, and make an electric current flow between two electrodes.
传统的燃料电池是通过催化材料(比如氢)来氧化燃料，然后使两电级间产生电流。
The message wasreproduced at the receiving station on electrochemically sensitivepaper, which left a blue mark when an electric current was passedthrough it.
在电化学感光纸的接收站可将信息再次生成。当电流通过感光纸会留下一带蓝色的印记。
In the case of harnessing vibrations, Chandrakasan and his colleagues use piezoelectric materials, which produce an electric current when subjected to mechanical pressure.
至于在约束振动上，切卓卡山和他的同事们使用了压电体，在经受力的作用下，它可以产生电流。
In the case of harnessing vibrations, Chandrakasan and his colleagues use piezoelectric materials, which produce an electric current when subjected to mechanical pressure.
至于在约束振动上，切卓卡山和他的同事们使用了压电体，在经受力的作用下，它可以产生电流。
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