An atom consists of a nucleus around which electrons move.
原子有一个原子核，外面有电子围绕它旋转。
Electrons move round the nucleus as the earth moves round the sun.
电子绕原子核运转就像地球绕太阳运行一样。
Those electrons move to the cathode, providing electrical power and, at the cathode, producing hydrogen gas.
这些电子随后移动到阴极，提供电力，并在阴极产生氢气。
For example, it could be used to make ultrafast transistors because electrons move through it at extremely high speeds.
例如，它可以被用来制造超高速电子晶体管，因为电子能在它内部以极高的速度移动。
They can withstand 1,000 degrees, and electrons move through them so easily that they would tend not to heat up in the first place.
首先他们可以承受1000度的高温，电子很容易通过钻石，它们不容易升温。
As the electrons move through the magnetized nebula, they radiate away their energy and create the elaborate nebula seen by Chandra.
当电子通过被磁化的星云时释放出能量，造就出“钱德拉”望远镜所看到的精致的星云。
The electric current in a wire is usually said to flow from the positive to the negative electrodes of the battery, which is opposite to the way in which the electrons move.
电子中的电流通常是从电池的正极流向负极，这同电子的移动方向刚好相反。
Microwave emission lines with anomalous intensity ratio would be produced when the relativistic electrons move through a, molecular cloud with a certain population inversion.
相对论电子在某种粒子数反转布居的分子云中穿行时，可以产生具有反常强度比的微波发射谱线。
With the magnetic field turned on, the iron layers both magnetize, say, in the spin-up direction, so all of the spin-down electrons move through the entire sample without scattering.
加上磁场后，两个铁层都被磁化，假如是上方向，那么所有下自旋的电子移动通过整个样本都没有散射。
The luminescent principle of EL panel is that electrons move at highs peed in luminescent layer to activate atoms of luminescent material, which make energy transition to emit light.
电致发光屏发光机理是在电场的作用下电子在发光层内高速运动，激活发光材料原子使其发生能级跃迁而发光。
Energetic electrons and positrons (antielectrons) move out from an inner X-ray ring, which marks a shockwave between different forms of matter, to produce an extended X-ray glow.
高能电子和正电子从一个内部的X射线环中向外运动，在不同形式的物质中标记出了一个冲击波，产生了一个膨胀的X射线光。
The electric field then coaxes these free electrons and holes to move in opposite directions.
电场引力使自由电子和“孔”都朝相反方向移动。
"After all," he wrote, "It's much more efficient to move electrons than to move atoms."
他写道：“毕竟，移动电子比移动原子更有效率。”
This improves the efficiency of the process, because the electrons find it easier to move through
由于电子易于流过晶体化结构而提高了效率。
Despite each superconductor's relatively large size, the electrons within move together in a naturally coherent way.
尽管每个超导体的尺寸相对较大，但是其中的电子以一种自然而又一致的方式共同移动。
However, the electricity is not only transported by the electrons that move along the nanofibres, but also by ions in the water layers between the ceramic.
然而，导电性不仅是由沿纳米纤维方向移动的自由电子来传送，陶瓷间的水层中的离子也可以导电。
The separate electrons travel only slowly along the wire, at about one inch a minute, but they all start to move together immediately the electric circuit is complete.
这些的电子仅仅沿着电线作缓慢移动，每分钟约走一英寸左右。然而，只要电路一接通它们便一齐开始行动。
When the free electrons in a conductor move in one direction only. The current thus established is called a direct current, which is often abbreviated to DC.
当导体的自由电子只以一个方向运动时，这样产生的电流叫做直流电，常缩写为。
The vacuum tube is an electron tube from which all or most of the gas has been removed, permitting electrons to move with no or low interaction with any remaining gas molecules.
真空管是一种内部气体全部或部分抽空的电子管，从而使电子在不受或少受气体分子的干扰下运动。
The force that causes electrons to move around a circuit is called electromotive force.
促使电子绕电路移动的力被叫做电动势。
Such electrons can move about and, if they all move in the same direction, create an electric current.
这些电子可自由运动，一旦形成定向运动，即产生电流。
When an electric field is set up, all the free electrons will be made to move in one direction.
当建立起一个电场时，全部自由电子都会朝一个方向运动。
Sound is created in the loudspeaker by membranes that move physically and weigh far more than electrons.
声音是有扬声器内部的膜物理性移动产生的，这个膜比电子元件重得多。
But most metals have electrons that can detach from their atoms and move around.
但是很多金属的电子能够与它们的原子分离，到处漂移。
The conduction electrons associated with the iodine can move along the chains as if they were long thin wires.
碘中所含的传导电子能够沿著链运动，就好象这些链是长的细导线一样。
Some electrons, called free electrons, are free to move from atom to atom within a conductor .
半导体是否存在着自由电子，这取决于某些条件。
When the battery is being charged, electrons are pumped into the cathode. That forces lithium ions to move away from it and into the anode.
当锂电池充电时，电子吸附在阴极上，迫使锂离子从阴极中游离到阳极；
The first law says it takes energy to do work, even if that work is only to move electrons across silicon wafers.
根据第一定律，它必须消耗能量来工作，即使只是将电子带过硅晶片。
The first law says it takes energy to do work, even if that work is only to move electrons across silicon wafers.
根据第一定律，它必须消耗能量来工作，即使只是将电子带过硅晶片。
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