electrons
美 [??lek?trɑn] 
英 [??lektr?n]
詞形變化
復數：electrons
英漢解釋
英英解釋
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.
當兩個或更多電子進入原子中的軌道時，必須遵循的基本規(guī)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.
這樣造成的結果就是一些電子不斷繞著物質邊緣流動，就像是滑冰的人在繞著整個場地一圈圈滑行。
When the total number of protons equals the total number of electrons, the body as a whole is electrically neutral.
當質子總數等于電子的總數時，這個物體就整體來說是電中性的。
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.
在這個基礎上，自然界中僅有的粒子是電子和質子，這告訴我這種空穴只能是質子。
The electrons carry the negative charge, the protons carry the positive charge. That was all that was needed.
電子攜帶負電荷，而質子攜帶正電荷，這就是所有需要的東西。
As far as a whole is concerned, the body is electrically neutral, when the total number of protons equals the total number of electrons.
當質子總數等于電子的總數時，這個物體就整體而言是電中性。
In the simplest setup, the size of the current reveals the density of electrons in the surface, allowing it to be mapped out.
在這個最簡單的裝置里，電流的大小表明了樣品表面電子的密度，并能繪制出來。
Electrons, being waves as well as particles, produce a diffraction pattern when transmitted through a crystal.
電子和粒子同時產生波動，當電子穿過一塊晶體時產生衍射模式。
Some of these electrons travel through the DNA forest and are fed into a device that measures their spin polarization.
其中的一部分電子穿過DNA“森林”后，注入一個可以測量其自旋極化率的儀器中。
Just as the planets revolve about the sun, planetary electrons are thought of as revolving about the nucleus.
正像行星圍繞太陽轉一樣，行星般的電子被認為是圍著原子核轉的。
Much of visible light reaching us from the solar corona also seems to be due to scattering by electrons.
從日冕中射來的相當大一部分可見光看來也是由電子散射產生的。
The conduction electrons associated with the iodine can move along the chains as if they were long thin wires.
碘中所含的傳導電子能夠沿著鏈運動，就好象這些鏈是長的細導線一樣。
The net charge of a body might be described by a statement of the excess number of electrons or protons in the body.
一個物體所帶凈電荷的量，可以用在這個物體內的過剩電子數或過剩質子數來表示。
He compared the early scientific understanding of phonons with that of understanding electrons and photons behind electricity and light.
他將人們對聲子的早期科學認識，和對電與光現象背后的電子和光子的認識進行了比較。
This requirement is equivalent to being able to treat the electrons as if they were free.
這個要求與下列情況相當，即可以把電子當作自由的來處理。
Each shockwave acts as a particle accelerator, increasing the speed of electrons within the plasma to near that of light.
震蕩波就像一臺粒子加速器，將等離子體中的電子加速到接近光速。
All that glitter is not gold, but at least it contains free electrons.
閃光的不見得是金子，但是至少是有自由電子的。
They "rely on plasmons , ripples in the oceans of electrons at the surface of every object, to achieve their effect. "
他們依靠細胞質基因和在每件物體表面的電子波來獲得他們預期的效果。
He said boldly that the holes had to have the same mass as the electrons.
他大膽地認為空穴的質量就是和電子的質量相同。
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?
現在，充滿活力的電子已經準備妥當，那么我們什么時候才能企盼自旋高速路將其輸入我們的筆記本電腦的芯片之中？
The net charge of a body might be described by a statement of the excess number of electrons or protons in the body.
一個物體所帶凈電荷的量，可以用在這個物體內的過剩電子數或過剩質子數來表示。
The influence of a uniform electric field on the motion and energy of the electrons in atoms is known as the Stark effect.
均勻電場對原子中電子的運動和能量的影響就是眾所周知的斯塔克（stark）效應。
Each of the four valency electrons of the carbon atom is shared with one of a hydrogen atom.
碳原子的四個價電子都各與氫原子的一個價電子共用。
At this pressure it is found that the mean free path for electrons of a few volts energy is of the order of 1cm.
在這個壓強下，我們發(fā)現能量為幾伏特的電子的平均自由程的數量級為1cm。
When a metal is brought into contact with an n-type semiconductor, electrons will flew from the semi-conductor to the metal.
使一塊金屬與n型半導體接觸時，電子將從半導體流到金屬。
The vacant place is taken by one of the outer electrons which thus leaps from an outer to an inner "shell" .
真空穴由一個從外“殼”躍至內“殼”的外層電子來填充。
Some of these positive charges are then satisfied by electrons blowing in from wire B.
然后，這些正電荷中的一些電荷由從導線B流入的電子得到補償。
Some of the electrons are stopped by the target and their kinetic energy is converted directly to X-radiation.
有些電子被靶擋住后，它們的動能便直接轉化為X射線。
It may not be clear why two electrons should be permitted in each quantum state rather than just one.
人們也許不明白，為什么在每一量子態(tài)中容許存在兩個電子而不是一個。
If a density clump occurs in a plasma, an electric field can cause the ions and electrons to separate, generating another electric field.
如果在等離子體中出現了密度塊區(qū)，電場就能引起離子和電子分離，產生另一個電場。
In Chapter 8 we were concerned with the arrangement of the electrons in the ground states of atoms.
我們在第八章中討論了處于基態(tài)的原子內電子的排列情況。
When light strikes these atoms, some electrons are knocked loose.
當光線沖擊這些原子時，一些電子被沖擊而松動出來。
These wavelengths are presumably caused by oscillations of the electrons in the atom.
這些波長可能由原子中的電子振動所確定。
The wide differences in the extension of the wave functions for different electrons are most important.
最重要的情況是，不同電子的波函數的范圍存在著很大的差別。
Instead, electrons are shared among many atoms.
這樣，電子就為許多原子所共有。
One way to simplify the problem is to divide the electrons into two groups: the 36 core electrons, and the two 4s valence electrons.
簡化此問題的一個方法是把電子分成兩組：36個原子實電子和2個4s價電子。
The wires transport electrons from bacteria in deeper, oxygen-poor sediments to bacteria in oxygen-rich mud near the surface.
通過導線，氧氣稀少，位于更深層沉積物中的細菌便可將電子傳遞到氧氣充足，靠近水面的細菌中。
The bond in which the linkage pair of electrons are provided by one of the bonding atoms.
一個鍵合原子用以聯結一對電子的鍵。
As is shown in Fig. One, an atom consists of a nucleus and a number of electrons.
如圖一所示，原子由一個原子核和若干個電子組成。
When the number of protons in an atom equals the number of electrons, the atom itself has no overall charge, it is neutral.
當原子內部的質子數等于電子數時，整個原子是不帶電的，即電中性的。
As the spin-polarized electrons flow through the domain wall, they move the domain wall along the nanowire one atom at a time.
當自旋極化電子流經磁區(qū)壁時，它們就一次一個原子地沿奈米導線移動磁區(qū)壁。
This means that when it reacts with the acid, it tends to lose some of its electrons.
這表明，當鉛和酸發(fā)生反應時，它很可能失去一些電子。
The influence of a uniform electric field on the motion and energy of the electrons in atoms is known as the Stark effect.
均勻電場對原子中電子的運動和能量的影響就是眾所周知的斯塔克（stark）效應。
A high-energy electron which penetrates into the metal atom may dislodge one of the inner electrons of that atom.
一個穿入金屬原子的高能電子可以逐出該金屬原子的一個內層電子。
The descending stream of electrons divides at the point where the new positive-stream channel intersects the established path.
下降的電子云在新陽極流通道分開已有路徑的地方分開。
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.
它們通過對在半導體的兩表層上通上電流后運行，這樣既形成連續(xù)不斷的電子也釋放了光形式的電能。
Thanks to its low temperature and that nanometer gap, pairs of electrons could flow between the two plates without friction.
由于低溫和微米間隔的作用，電子對可以在兩塊鋁片之間流動而沒有摩擦。
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，受激發(fā)的電子在釋放能量時，會放出同調的光子。
Your body, you know, is simply an aggregation of millions upon millions of protons and electrons, held together by mind.
你很清楚，你的身體是由數以億計的質子和電子組成的，是由意識思想將它們組合在一起。
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，質子數和電子數相等，與這些質子擠在一起的是中子。
An extraction voltage at the emitter extracts electrons which are accelerated toward the inner wall by an acceleration voltage.
該發(fā)射體處的提取電壓提取電子，通過加速電壓，該電子被朝向該內壁加速。
As they absorb energy, their electrons move up to higher energy levels, tending to accumulate at certain metastable levels.
當它們吸收能量的時候，它們的電子躍遷到高能級層，積聚在某一個亞穩(wěn)態(tài)層。
The flow of electrons in an electrical circuit is called current.
電子在電路上流動叫做電流
Electrons that encounter this increased magnetic field are repelled back along the same magnetic field line rather than allowed to escape.
遭遇該增強的磁場的電子沿相同磁場線反彈回去而不是經允許而逃逸。
For decades physicists had been building up their theory of matter entirely in terms of electrons and protons.
幾十年以來，物理學家已經以電子和質子為基礎建立起他們的物質理論。
And this mathematical approach led directly to the conclusion that the holes would have to have the same mass as the electrons.
而這種數學方法直接導出空穴質量必須與電子相同的結論。
