To free electrons, something has to make them whirl fast enough to break away from their nuclei.
为了释放电子，必须使电子高速旋转而足以摆脱它们的原子核。
Free electrons in the form of Thomson scattering.
自由电子的汤姆逊散射。
Liquids, which contains no free electrons, are poor conductors of heat.
各种液体，由于不含有自由电子，是热的不良导体。
Some of these clouds have temperatures of about 8,000 K and contain free electrons.
有一些云的温度大约在8000k，并且包含有自由的电子。
In contrast, an electrically conductive substance has a great number of free electrons.
相反，导电物质有大量的自由电子。
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。
All metals are good conductors because there are a great number of free electrons in them.
一切金属都是良导体，因为金属里有大量的自由电子。
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 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。
The density of holes in the base is less than the density of free electrons in the emitter and collector .
基极中空穴的密度小于发射极和集电极中自由电子的密度。
Electronics, on the other hand, deals with the movement of free electrons in a vacuum or in semiconductors.
而另一方面电子学则论述自由电子在电子管或半导体里流动的情况。
The red shift of CTS results from the formation of two free electrons and the reduction of wave function coupling.
对于电荷迁移态的红移我们认为是由于取代而导致的两个自由电子的产生以及波函数耦合的减少。
Compared with free electrons, fossil fuels would be seen as ludicrously expensive and dirty, and so carbon emissions would plummet.
相比免费的电能，矿物燃料将被视为可笑的昂贵而肮脏能源，因此炭排放量将骤降。
The electrons that participate in the conduction process are termed free electrons, which have energies greater than the Fermi energy.
参与导电过程的电子，我们称之为自由电子，其能量高于费米能级。
The kinematics of free electrons is described by the free Dirac equation, a four-dimensional system of partial differential equations.
自由电子的运动学由自由狄拉克方程——一个四维系统的偏微微分方程描述。
The power of a silicon Raman laser typically hits a limit as photons sporadically collide with silicon atoms and release free electrons.
光子与矽原子发生零星碰撞并释放自由电子时，矽拉曼雷射的功率也会随之到达极限。
In this compound, the tightly bound orbitals act like Wells into which free electrons can fall, allowing the material to capture them more easily.
在这个混合物里，结合紧密的轨道就像一口井，自由电子落入其中，使得物质更容易捕获电子。
The free electrons move into the saltwater, then into the clean copper plate, into the wire, through the meter, and back to the cuprous oxide plate.
自由电子进入盐水，然后把干净的铜板，到线，通过米，并回到氧化亚铜板。
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。
There are magnetic flow directors. When you engage the device, you shift the electrons and a flow is initiated. This flow inducts free electrons into the device.
有磁性流动指示器。将该装置引入，移动电子，流动开始。这种流动引导自由电子进入装置。
In order to establish desktop big explosive device, the researchers used acrylic and gold, laser will play in gold above, inspired called plasma of free electrons wave.
为了建立台式大爆炸装置，研究人员使用了丙烯酸和黄金，将激光打在黄金之上，激发出被称为等离子的自由电子波。
As the nitrogen partial pressure increases, the variation of color coordinate is caused by decrease of free electrons number of the films and decrease of plasma frequency.
发现颜色坐标的变化是由于随氮分压增加，自由电子浓度降低引起等离子体频率降低造成的。
It is considered that the signal intensity of the system resulted from the superposition of signal intensity of NTP radicals and free electrons trapped in the lattice defects.
认为该谱是由ntp自由基和晶格缺陷中的陷落电子两部分谱线迭加而成。
The design incorporates a channel thin enough to become entirely devoid of carriers (ie, free electrons or holes) when switched off, thus acting as a valve, yet full of them when switched on.
这一设计包含了一条足够细的隧道，当它关闭时，里面完全没有载流子(电子或空穴)，当它打开时，里面便充满了载流子，起到了阀门的作用。
The electron beam ion trap(EBIT) and the electron ion source(EBIS) are new instruments for the study of X-ray produced by very highly-charged ions when they interact with free electrons.
利用电子束离子源（EBIS）或者电子束离子陷阱（EBIT）产生的慢速高电荷态重离子束轰击金属靶面，离子束与靶面作用并复合辐射特征X射线；
As proved by the experiments, a number of free electrons and holes are existed in the unexposed silver halide emulsion micro-crystals. These factors are all essential to the fog center formation.
实验表明，在未经光照的卤化银乳剂微晶体中存在着一定量的自由电子和空穴，这些因素为灰雾中心的形成提供了必要的条件。
Pertaining to that branch of science dealing with the motion, emission, and behavior of currents of free electrons, especially in vacuum, gas, or phototubes and special conductors or semiconductors.
用于修饰或说明一科学分支中的概念，其中涉及到自由电子流的运动、发射和性能等，特别是在真空、气体或光电管和特定的导体或半导体中电子的运动。
The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap.
这些射线生成管也叫克鲁克斯管，通过在管道周围的裂缝处施加高达十万伏电压的方式，可以在其内部产生自由电子。
The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap.
这些射线生成管也叫克鲁克斯管，通过在管道周围的裂缝处施加高达十万伏电压的方式，可以在其内部产生自由电子。
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