electrons
美 [ɪˈlekˌtrɑn]
英 [ɪˈlektrɒn] 
词形变化
复数:electrons
英汉解释
英英解释
例句
A fundamental rule which must be obeyed in placing two or more electrons in the orbits of an atom is the exclusion principle.
当两个或更多电子进入原子中的轨道时,必须遵循的基本规律是不相容原理。
The result was a flow of electrons around the edge of the material, like skaters circling the perimeter of an ice rink.
这样造成的结果就是一些电子不断绕着物质边缘流动,就像是滑冰的人在绕着整个场地一圈圈滑行。
When the total number of protons equals the total number of electrons, the body as a whole is electrically neutral.
当质子总数等于电子的总数时,这个物体就整体来说是电中性的。
On this basis, that the only particles in nature are electrons and protons, it seemed to me that the holes would have to be the protons.
在这个基础上,自然界中仅有的粒子是电子和质子,这告诉我这种空穴只能是质子。
The electrons carry the negative charge, the protons carry the positive charge. That was all that was needed.
电子携带负电荷,而质子携带正电荷,这就是所有需要的东西。
As far as a whole is concerned, the body is electrically neutral, when the total number of protons equals the total number of electrons.
当质子总数等于电子的总数时,这个物体就整体而言是电中性。
In the simplest setup, the size of the current reveals the density of electrons in the surface, allowing it to be mapped out.
在这个最简单的装置里,电流的大小表明了样品表面电子的密度,并能绘制出来。
Electrons, being waves as well as particles, produce a diffraction pattern when transmitted through a crystal.
电子和粒子同时产生波动,当电子穿过一块晶体时产生衍射模式。
Some of these electrons travel through the DNA forest and are fed into a device that measures their spin polarization.
其中的一部分电子穿过DNA“森林”后,注入一个可以测量其自旋极化率的仪器中。
Just as the planets revolve about the sun, planetary electrons are thought of as revolving about the nucleus.
正像行星围绕太阳转一样,行星般的电子被认为是围着原子核转的。
Much of visible light reaching us from the solar corona also seems to be due to scattering by electrons.
从日冕中射来的相当大一部分可见光看来也是由电子散射产生的。
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着链运动,就好象这些链是长的细导线一样。
The net charge of a body might be described by a statement of the excess number of electrons or protons in the body.
一个物体所带净电荷的量,可以用在这个物体内的过剩电子数或过剩质子数来表示。
He compared the early scientific understanding of phonons with that of understanding electrons and photons behind electricity and light.
他将人们对声子的早期科学认识,和对电与光现象背后的电子和光子的认识进行了比较。
This requirement is equivalent to being able to treat the electrons as if they were free.
这个要求与下列情况相当,即可以把电子当作自由的来处理。
Each shockwave acts as a particle accelerator, increasing the speed of electrons within the plasma to near that of light.
震荡波就像一台粒子加速器,将等离子体中的电子加速到接近光速。
All that glitter is not gold, but at least it contains free electrons.
闪光的不见得是金子,但是至少是有自由电子的。
They "rely on plasmons , ripples in the oceans of electrons at the surface of every object, to achieve their effect. "
他们依靠细胞质基因和在每件物体表面的电子波来获得他们预期的效果。
He said boldly that the holes had to have the same mass as the electrons.
他大胆地认为空穴的质量就是和电子的质量相同。
Now that the zippy electrons are ready to roll, when can we expect the spin superhighway to make it to the chips in our laptops?
现在,充满活力的电子已经准备妥当,那么我们什么时候才能企盼自旋高速路将其输入我们的笔记本电脑的芯片之中?
The net charge of a body might be described by a statement of the excess number of electrons or protons in the body.
一个物体所带净电荷的量,可以用在这个物体内的过剩电子数或过剩质子数来表示。
The influence of a uniform electric field on the motion and energy of the electrons in atoms is known as the Stark effect.
均匀电场对原子中电子的运动和能量的影响就是众所周知的斯塔克(stark)效应。
Each of the four valency electrons of the carbon atom is shared with one of a hydrogen atom.
碳原子的四个价电子都各与氢原子的一个价电子共用。
At this pressure it is found that the mean free path for electrons of a few volts energy is of the order of 1cm.
在这个压强下,我们发现能量为几伏特的电子的平均自由程的数量级为1cm。
When a metal is brought into contact with an n-type semiconductor, electrons will flew from the semi-conductor to the metal.
使一块金属与n型半导体接触时,电子将从半导体流到金属。
The vacant place is taken by one of the outer electrons which thus leaps from an outer to an inner "shell" .
真空穴由一个从外“壳”跃至内“壳”的外层电子来填充。
Some of these positive charges are then satisfied by electrons blowing in from wire B.
然后,这些正电荷中的一些电荷由从导线B流入的电子得到补偿。
Some of the electrons are stopped by the target and their kinetic energy is converted directly to X-radiation.
有些电子被靶挡住后,它们的动能便直接转化为X射线。
It may not be clear why two electrons should be permitted in each quantum state rather than just one.
人们也许不明白,为什么在每一量子态中容许存在两个电子而不是一个。
If a density clump occurs in a plasma, an electric field can cause the ions and electrons to separate, generating another electric field.
如果在等离子体中出现了密度块区,电场就能引起离子和电子分离,产生另一个电场。
In Chapter 8 we were concerned with the arrangement of the electrons in the ground states of atoms.
我们在第八章中讨论了处于基态的原子内电子的排列情况。
When light strikes these atoms, some electrons are knocked loose.
当光线冲击这些原子时,一些电子被冲击而松动出来。
These wavelengths are presumably caused by oscillations of the electrons in the atom.
这些波长可能由原子中的电子振动所确定。
The wide differences in the extension of the wave functions for different electrons are most important.
最重要的情况是,不同电子的波函数的范围存在着很大的差别。
Instead, electrons are shared among many atoms.
这样,电子就为许多原子所共有。
One way to simplify the problem is to divide the electrons into two groups: the 36 core electrons, and the two 4s valence electrons.
简化此问题的一个方法是把电子分成两组:36个原子实电子和2个4s价电子。
The wires transport electrons from bacteria in deeper, oxygen-poor sediments to bacteria in oxygen-rich mud near the surface.
通过导线,氧气稀少,位于更深层沉积物中的细菌便可将电子传递到氧气充足,靠近水面的细菌中。
The bond in which the linkage pair of electrons are provided by one of the bonding atoms.
一个键合原子用以联结一对电子的键。
As is shown in Fig. One, an atom consists of a nucleus and a number of electrons.
如图一所示,原子由一个原子核和若干个电子组成。
When the number of protons in an atom equals the number of electrons, the atom itself has no overall charge, it is neutral.
当原子内部的质子数等于电子数时,整个原子是不带电的,即电中性的。
As the spin-polarized electrons flow through the domain wall, they move the domain wall along the nanowire one atom at a time.
当自旋极化电子流经磁区壁时,它们就一次一个原子地沿奈米导线移动磁区壁。
This means that when it reacts with the acid, it tends to lose some of its electrons.
这表明,当铅和酸发生反应时,它很可能失去一些电子。
The influence of a uniform electric field on the motion and energy of the electrons in atoms is known as the Stark effect.
均匀电场对原子中电子的运动和能量的影响就是众所周知的斯塔克(stark)效应。
A high-energy electron which penetrates into the metal atom may dislodge one of the inner electrons of that atom.
一个穿入金属原子的高能电子可以逐出该金属原子的一个内层电子。
The descending stream of electrons divides at the point where the new positive-stream channel intersects the established path.
下降的电子云在新阳极流通道分开已有路径的地方分开。
They work by applying a current to two layers of semiconductor, which creates a flow of electrons and releases energy in the form of light.
它们通过对在半导体的两表层上通上电流后运行,这样既形成连续不断的电子也释放了光形式的电能。
Thanks to its low temperature and that nanometer gap, pairs of electrons could flow between the two plates without friction.
由于低温和微米间隔的作用,电子对可以在两块铝片之间流动而没有摩擦。
In a good lasing material, electrons that are pumped up with energy release that energy in the form of coherent photons of light.
在好的雷射材料中,受激发的电子在释放能量时,会放出同调的光子。
Your body, you know, is simply an aggregation of millions upon millions of protons and electrons, held together by mind.
你很清楚,你的身体是由数以亿计的质子和电子组成的,是由意识思想将它们组合在一起。
In an ordinary atom the number of protons is the same as that of electrons . Clustered together with these protons are neutrons.
在普通原子里,质子数和电子数相等,与这些质子挤在一起的是中子。
An extraction voltage at the emitter extracts electrons which are accelerated toward the inner wall by an acceleration voltage.
该发射体处的提取电压提取电子,通过加速电压,该电子被朝向该内壁加速。
As they absorb energy, their electrons move up to higher energy levels, tending to accumulate at certain metastable levels.
当它们吸收能量的时候,它们的电子跃迁到高能级层,积聚在某一个亚稳态层。
The flow of electrons in an electrical circuit is called current.
电子在电路上流动叫做电流
Electrons that encounter this increased magnetic field are repelled back along the same magnetic field line rather than allowed to escape.
遭遇该增强的磁场的电子沿相同磁场线反弹回去而不是经允许而逃逸。
For decades physicists had been building up their theory of matter entirely in terms of electrons and protons.
几十年以来,物理学家已经以电子和质子为基础建立起他们的物质理论。
And this mathematical approach led directly to the conclusion that the holes would have to have the same mass as the electrons.
而这种数学方法直接导出空穴质量必须与电子相同的结论。