electron

美 [??lek?trɑn] 　英 [??lektr?n]

• n.電子
• 網(wǎng)絡(luò)是因物料里的電子；埃雷克特龍鎂合金；電子扇

詞形變化

復(fù)數(shù)：electrons  

英漢雙解

英漢解釋

n.

1. 【物】電子

英英解釋

n.	1. a part of an atom that moves around the nucleuscenter and has a negative electrical charge

例句

So, the antiparticle of the normal electron is called the positron, as it has a positive charge, but the same mass as the electron.

這樣，正常電子的反粒子叫做正（陽(yáng)）電子，如同它有一個(gè)陽(yáng)電荷一樣，但是與電子的質(zhì)量一樣。

The main antioxidant behavior of Ht was that in antioxidant system, Ht was as a strong electron donor or a free radical scavenger.

因此仙草在抗氧化體系中既是良好的電子供體，又是良好的自由基終止劑。

Made of two tiny tin beads usually used to calibrate electron microscope lenses, the snowman was built by the National Physical Laboratory.

這個(gè)雪人由英國(guó)國(guó)家物理實(shí)驗(yàn)室制造，使用的材料是通常用來(lái)校準(zhǔn)電子顯微鏡透鏡的錫珠。

Scanning electron microscopy, X-ray diffraction and laser particle size analyzer were used to carry out a micro measurement of the powder.

并采用掃描電子顯微鏡、X射線衍射儀和激光粒度分析儀對(duì)其進(jìn)行微觀測(cè)量。

Electron microscopy has been used for several years as a routine tool for the study of pharmaceutical formulations.

電子顯微鏡已用于幾年作為日常工具，制藥配方研究。

DAVID KAISER: And that's just very strange, right? So the electron, on its own, seems to be a jumble of possibilities.

大衛(wèi)凱撒：這很奇怪，對(duì)不對(duì)？所以，對(duì)電子自己來(lái)說(shuō)，似乎有一堆的可能性。

The environmental scanning electron microscope (ESEM) has been used to analyse a number of pharmaceutical samples in their natural state.

環(huán)境掃描電子顯微鏡（環(huán)境掃描電鏡）已用于分析一些制藥樣本在其自然狀態(tài)。

The main point we shall be interested in is the influence of the total electron spin on the energy of the system.

我們將感興趣的主要之點(diǎn)，就是電子總自旋對(duì)系統(tǒng)能量的影響。

As I say, every home should have a scanning electron microscope to be able to see these.

如我所說(shuō)，每個(gè)家庭都應(yīng)該有一臺(tái)能看到這些的掃描電子顯微鏡。

In that way an ordinary positive energy electron would not be able to jump into a state of negative energy.

在這種情況下，通常正能量的電子不能躍遷到負(fù)能態(tài)上。

Electron balance has been used to measure volume of solution put in by pipette of standard series in external standard method.

研究了用電子天平對(duì)外標(biāo)法標(biāo)準(zhǔn)系列配制過(guò)程中吸管加入溶液體積進(jìn)行計(jì)量的方法。

Including Lorentz and Abraham, were trying to work out a theory of the electron.

包括洛倫茲和邁克爾孫，都想創(chuàng)立一種電子理論。

Look TOM is iron the heart comes with the train of thought of media operation electron business affairs.

看來(lái)TOM是鐵了心以媒體的思路來(lái)運(yùn)營(yíng)電子商務(wù)了。

Were there no electric pressure in a conductor, the electron flow would not take place in it.

導(dǎo)體內(nèi)如果沒(méi)有電壓，便不會(huì)產(chǎn)生電子流動(dòng)現(xiàn)象。

A second of time, for instance, is now defined in terms of an electron transition of the cesium atom.

比如，一秒鐘時(shí)間，現(xiàn)在是根據(jù)銫原子的電子躍遷來(lái)定義的。

In the case of a CCD, a photon of visible light knocks an electron out of an energy band in a semiconductor crystal.

在CCD的例子中，可見(jiàn)光的光子將電子打出半導(dǎo)體晶體的能帶。

But that there is electric pressure in the semiconductor, the electron flow would not take place in it.

如果半導(dǎo)體內(nèi)沒(méi)有電壓，其內(nèi)部就不會(huì)產(chǎn)生電子流。

These fine properties are mainly due to the surface plasmon resonance and inner electron transition of silver nanoparticles.

這些優(yōu)良特性主要來(lái)源于復(fù)合物中銀納米粒子的表面等離激元共振及其內(nèi)部的電子躍遷。

If the amount of positive and negative charges is varied, the electron stream can be made to bend up or down in varying amounts.

如果正負(fù)電荷的量發(fā)生變化，電子流上下彎曲的程度也隨之變化。

That reminds me of atom: the movement of electron is irregular, however, it is always around the nucleus and within the atom.

這讓我想起了原子：電子跑來(lái)跑去，沒(méi)有規(guī)律，但始終圍繞著一個(gè)核心在轉(zhuǎn)。

The other way was to knock a bound electron off a neutral atom creating simultaneously an electron and a hole.

另一種方法是把束膊電子從中性原子中撞出，同時(shí)產(chǎn)生電子和空穴。

There is nothing that will enable us to tell one electron from another.

沒(méi)有任何東西可以使我們分辨出一個(gè)電子與另一個(gè)電子的不同。

The electron wavelength is computed from the orbital speed required to balance the electric attraction of the nucleus.

電子波長(zhǎng)是由平衡核力所必須的軌道速率計(jì)算出來(lái)的。

From time to time, scientists have speculated that the proton and electron charges might not be exactly equal in magnitude.

屢次地，科學(xué)家們推究質(zhì)子與電子的電荷大小可能不恰好相等。

For a given species the energy required to remove the first electron is called the first ionization energy, and so on.

對(duì)于某種物種，移去第一個(gè)電能量所需要的能量叫做第一電離能，依此類(lèi)推。

The details of the electron arrangements for the elements are shown in Table 8. 3.

各種元素的電子排列的細(xì)節(jié)情況列在表8.3中。

In the preceding section we discussed the valence bond(VB)or electron-pair theory of bonding.

在前面一節(jié)，我們討論了價(jià)鍵法——電子配對(duì)理論。

He supposed that some minimum amount of energy is required in order to pull an electron away from a metal surface.

他假設(shè)，某個(gè)最小的能量是為把一個(gè)電子拉出某種金屬表面所必需的。

The magnetic moment due to electron spin is parallel to the field.

由電子旋轉(zhuǎn)而產(chǎn)生的磁矩平行于磁場(chǎng)。

Figure 6 gives the electron ranges calculated from one set of expression for silicon, aluminum, and gold.

圖6給出了從硅，鉻和金的一套表達(dá)式中計(jì)算出的電子射程。

Electron has an intrinsic angular momentum in addition to the orbital angular momentum due its motion about the nucleus.

電子除了繞原子核運(yùn)動(dòng)的軌道角動(dòng)量外還有內(nèi)在的角動(dòng)量。

In the same way we find when we detect an electron we get the whole electron or nothing at all.

同樣，我們發(fā)現(xiàn)當(dāng)探測(cè)一個(gè)電子時(shí)，要么得到整個(gè)電子，要么干脆什么也得不到。

We locate the positions of electron at particular instants in time and indicate these positions by dots.

我們在各特定瞬間將電子定位，并用點(diǎn)標(biāo)示。

It has something to do with the electron, but we don't know exactly what!

它肯定與電子有點(diǎn)關(guān)系，但我們并不確切地知道究竟是什么關(guān)系。

All the alkali metals have a single s-electron outside a closed shell.

所有的堿金屬都在閉合殼層之外有一單個(gè)S電子。

Electron microscopy has been used for elucidating the shape and size of HA particles.

電子顯微鏡曾用來(lái)觀察腐植顆粒的形狀和大小。

The microstructure of the brazed joint was analyzed by means of a scanning electron microscope and an energy spectrum analyzer.

用掃描電鏡和能譜分析儀對(duì)釬焊接頭的顯微組織進(jìn)行了分析。

Nobody knows if it is possible to cut an electron or quark but particle physicists keep trying.

沒(méi)有人知道分解電子和夸克是否可能，但粒子物理學(xué)家們一直在嘗試著。

That is not the only field in play: our electron has its own mini-field as a result of its quantum-mechanical spin.

但這并非是唯一一塊運(yùn)動(dòng)場(chǎng)：緣于它自身所帶的量子力自旋的作用，這個(gè)點(diǎn)子還擁有它自己的小小領(lǐng)地。

The surface morphology of the films were observed by Scan Electron Microscope (SEM) and Atom Force Microscope (AFM) respectively.

用掃描電鏡、原子力顯微鏡觀測(cè)了非連續(xù)多層膜的表面形貌。

The surface morphology of the polymer film was examined by scanning electron microscopy (SEM) and atomic force microscopy (AFM).

高分子膜的表面形態(tài)采用掃描電子顯微鏡（SEM）和原子力顯微鏡（AFM）進(jìn)行檢查。

A colored transmission electron micrograph image captures the HIV virus budding from the surface of a T-lymphocyte white blood cell.

艾滋病圖片。一幅染色的傳輸電子顯微圖像捕捉艾滋病病毒的萌芽從表面的一個(gè)白血細(xì)胞中的T淋巴細(xì)胞。

When an organic molecule like electron donating pyridine adsorbs on the surface, cations get reduced due to charge transfer.

當(dāng)一個(gè)有機(jī)分子如電子給予體吡啶吸附在表面上時(shí)，陽(yáng)離子由于電子轉(zhuǎn)移而還原。

Even the slightest contact of your electron-rich finger with the screen's glass is enough to activate the capacitive sensing system below.

來(lái)自帶電的手指表層最細(xì)微的接觸也能激活屏幕下方的電容感應(yīng)系統(tǒng)。

A high-energy electron which penetrates into the metal atom may dislodge one of the inner electrons of that atom.

一個(gè)穿入金屬原子的高能電子可以逐出該金屬原子的一個(gè)內(nèi)層電子。

The creep experiments at electron Shimadzu universal testing machine were carry out on normal and pathological specimens of the ten.

在日本島津電子萬(wàn)能試驗(yàn)機(jī)上對(duì)正常和病態(tài)各10個(gè)試樣進(jìn)行蠕變實(shí)驗(yàn)。

This may be due to a lower recombination and a faster electron transport with the introduction of graphene chiefly.

這可能主要是由于引入了石墨烯而產(chǎn)生了較低的重新組合和更快的電子傳送的緣由。

It begins with a photon of light that produces the energy necessary to release an electron down the carrier chain.

它一開(kāi)始就光子產(chǎn)生的光的能量要釋放一個(gè)電子下跌承運(yùn)人鏈。

But the distinct difference of electron density did not transform into the difference of dose distribution at radiotherapy.

但是放射治療時(shí)，這種差異并沒(méi)有轉(zhuǎn)化為物理或生物劑量分布的差異。

The rapid motion of the electros causes the sluggish nuclei to "see" the electron as a charge cloud, rather than as a discrete particle.

電子的快速運(yùn)動(dòng)使得緩動(dòng)的核把電子“看成”象電核云，而不是象分立的粒子。

Methods To identify the holistic morphology and the surface ultrastructure characteristic of seeds by scanning electron microscope(SEM).

方法采用掃描電鏡觀察三種種子的整體形態(tài)和種皮表面超微結(jié)構(gòu)特征。

When a photon strikes the surface, it excites an electron to a higher energy level, which is specific to the material.

當(dāng)光子照射到材料表面時(shí)，電子受到光子的激發(fā)由一個(gè)能級(jí)跳到更高的能級(jí)上，而這些能級(jí)對(duì)材料來(lái)說(shuō)是特定的。

Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.

某些伽馬射線在靠近原子核的附近經(jīng)過(guò)，進(jìn)入到轉(zhuǎn)化為個(gè)電子和正電子的過(guò)程，研究人員說(shuō)。

Unlike either the electron which has a negative charge or the proton which has a positive charge, the neutron has no charge at all.

中子既不象帶負(fù)電荷的電子，也不象帶正電荷的質(zhì)子，它根本就不帶任何電荷。

The spatial distribution of that image represents the electron density around the atom.

圖像的空間分布就代表了原子周?chē)?/c>的電子密度。