electron
美 [ɪˈlekˌtrɑn]
英 [ɪˈlektrɒn] 
- n.电子
- 网络是因物料里的电子;埃雷克特龙镁合金;电子扇
词形变化
复数:electrons
英汉双解
1. | 电子a very small piece of matter (= a substance) with a negative electric charge, found in all atoms |
英汉解释
英英解释
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.
这样,正常电子的反粒子叫做正(阳)电子,如同它有一个阳电荷一样,但是与电子的质量一样。
The main antioxidant behavior of Ht was that in antioxidant system, Ht was as a strong electron donor or a free radical scavenger.
因此仙草在抗氧化体系中既是良好的电子供体,又是良好的自由基终止剂。
Made of two tiny tin beads usually used to calibrate electron microscope lenses, the snowman was built by the National Physical Laboratory.
这个雪人由英国国家物理实验室制造,使用的材料是通常用来校准电子显微镜透镜的锡珠。
Scanning electron microscopy, X-ray diffraction and laser particle size analyzer were used to carry out a micro measurement of the powder.
并采用扫描电子显微镜、X射线衍射仪和激光粒度分析仪对其进行微观测量。
Electron microscopy has been used for several years as a routine tool for the study of pharmaceutical formulations.
电子显微镜已用于几年作为日常工具,制药配方研究。
DAVID KAISER: And that's just very strange, right? So the electron, on its own, seems to be a jumble of possibilities.
大卫凯撒:这很奇怪,对不对?所以,对电子自己来说,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.
环境扫描电子显微镜(环境扫描电镜)已用于分析一些制药样本在其自然状态。
The main point we shall be interested in is the influence of the total electron spin on the energy of the system.
我们将感兴趣的主要之点,就是电子总自旋对系统能量的影响。
As I say, every home should have a scanning electron microscope to be able to see these.
如我所说,每个家庭都应该有一台能看到这些的扫描电子显微镜。
In that way an ordinary positive energy electron would not be able to jump into a state of negative energy.
在这种情况下,通常正能量的电子不能跃迁到负能态上。
Electron balance has been used to measure volume of solution put in by pipette of standard series in external standard method.
研究了用电子天平对外标法标准系列配制过程中吸管加入溶液体积进行计量的方法。
Including Lorentz and Abraham, were trying to work out a theory of the electron.
包括洛伦兹和迈克尔孙,都想创立一种电子理论。
Look TOM is iron the heart comes with the train of thought of media operation electron business affairs.
看来TOM是铁了心以媒体的思路来运营电子商务了。
Were there no electric pressure in a conductor, the electron flow would not take place in it.
导体内如果没有电压,便不会产生电子流动现象。
A second of time, for instance, is now defined in terms of an electron transition of the cesium atom.
比如,一秒钟时间,现在是根据铯原子的电子跃迁来定义的。
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,可见光的光子将电子打出半导体晶体的能带。
But that there is electric pressure in the semiconductor, the electron flow would not take place in it.
如果半导体内没有电压,其内部就不会产生电子流。
These fine properties are mainly due to the surface plasmon resonance and inner electron transition of silver nanoparticles.
这些优良特性主要来源于复合物中银纳米粒子的表面等离激元共振及其内部的电子跃迁。
If the amount of positive and negative charges is varied, the electron stream can be made to bend up or down in varying amounts.
如果正负电荷的量发生变化,电子流上下弯曲的程度也随之变化。
That reminds me of atom: the movement of electron is irregular, however, it is always around the nucleus and within the atom.
这让我想起了原子:电子跑来跑去,没有规律,但始终围绕着一个核心在转。
The other way was to knock a bound electron off a neutral atom creating simultaneously an electron and a hole.
另一种方法是把束膊电子从中性原子中撞出,同时产生电子和空穴。
There is nothing that will enable us to tell one electron from another.
没有任何东西可以使我们分辨出一个电子与另一个电子的不同。
The electron wavelength is computed from the orbital speed required to balance the electric attraction of the nucleus.
电子波长是由平衡核力所必须的轨道速率计算出来的。
From time to time, scientists have speculated that the proton and electron charges might not be exactly equal in magnitude.
屡次地,科学家们推究质子与电子的电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.
对于某种物种,移去第一个电能量所需要的能量叫做第一电离能,依此类推。
The details of the electron arrangements for the elements are shown in Table 8. 3.
各种元素的电子排列的细节情况列在表8.3中。
In the preceding section we discussed the valence bond(VB)or electron-pair theory of bonding.
在前面一节,我们讨论了价键法——电子配对理论。
He supposed that some minimum amount of energy is required in order to pull an electron away from a metal surface.
他假设,某个最小的能量是为把一个电子拉出某种金属表面所必需的。
The magnetic moment due to electron spin is parallel to the field.
由电子旋转而产生的磁矩平行于磁场。
Figure 6 gives the electron ranges calculated from one set of expression for silicon, aluminum, and gold.
图6给出了从硅,铬和金的一套表达式中计算出的电子射程。
Electron has an intrinsic angular momentum in addition to the orbital angular momentum due its motion about the nucleus.
电子除了绕原子核运动的轨道角动量外还有内在的角动量。
In the same way we find when we detect an electron we get the whole electron or nothing at all.
同样,我们发现当探测一个电子时,要么得到整个电子,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.
我们在各特定瞬间将电子定位,并用点标示。
It has something to do with the electron, but we don't know exactly what!
它肯定与电子有点关系,但我们并不确切地知道究竟是什么关系。
All the alkali metals have a single s-electron outside a closed shell.
所有的碱金属都在闭合壳层之外有一单个S电子。
Electron microscopy has been used for elucidating the shape and size of HA particles.
电子显微镜曾用来观察腐植颗粒的形状和大小。
The microstructure of the brazed joint was analyzed by means of a scanning electron microscope and an energy spectrum analyzer.
用扫描电镜和能谱分析仪对钎焊接头的显微组织进行了分析。
Nobody knows if it is possible to cut an electron or quark but particle physicists keep trying.
没有人知道分解电子和夸克是否可能,但粒子物理学家们一直在尝试着。
That is not the only field in play: our electron has its own mini-field as a result of its quantum-mechanical spin.
但这并非是唯一一块运动场:缘于它自身所带的量子力自旋的作用,这个点子还拥有它自己的小小领地。
The surface morphology of the films were observed by Scan Electron Microscope (SEM) and Atom Force Microscope (AFM) respectively.
用扫描电镜、原子力显微镜观测了非连续多层膜的表面形貌。
The surface morphology of the polymer film was examined by scanning electron microscopy (SEM) and atomic force microscopy (AFM).
高分子膜的表面形态采用扫描电子显微镜(SEM)和原子力显微镜(AFM)进行检查。
A colored transmission electron micrograph image captures the HIV virus budding from the surface of a T-lymphocyte white blood cell.
艾滋病图片。一幅染色的传输电子显微图像捕捉艾滋病病毒的萌芽从表面的一个白血细胞中的T淋巴细胞。
When an organic molecule like electron donating pyridine adsorbs on the surface, cations get reduced due to charge transfer.
当一个有机分子如电子给予体吡啶吸附在表面上时,阳离子由于电子转移而还原。
Even the slightest contact of your electron-rich finger with the screen's glass is enough to activate the capacitive sensing system below.
来自带电的手指表层最细微的接触也能激活屏幕下方的电容感应系统。
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 creep experiments at electron Shimadzu universal testing machine were carry out on normal and pathological specimens of the ten.
在日本岛津电子万能试验机上对正常和病态各10个试样进行蠕变实验。
This may be due to a lower recombination and a faster electron transport with the introduction of graphene chiefly.
这可能主要是由于引入了石墨烯而产生了较低的重新组合和更快的电子传送的缘由。
It begins with a photon of light that produces the energy necessary to release an electron down the carrier chain.
它一开始就光子产生的光的能量要释放一个电子下跌承运人链。
But the distinct difference of electron density did not transform into the difference of dose distribution at radiotherapy.
但是放射治疗时,这种差异并没有转化为物理或生物剂量分布的差异。
The rapid motion of the electros causes the sluggish nuclei to "see" the electron as a charge cloud, rather than as a discrete particle.
电子的快速运动使得缓动的核把电子“看成”象电核云,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).
方法采用扫描电镜观察三种种子的整体形态和种皮表面超微结构特征。
When a photon strikes the surface, it excites an electron to a higher energy level, which is specific to the material.
当光子照射到材料表面时,电子受到光子的激发由一个能级跳到更高的能级上,而这些能级对材料来说是特定的。
Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.
某些伽马射线在靠近原子核的附近经过,进入到转化为个电子和正电子的过程,研究人员说。
Unlike either the electron which has a negative charge or the proton which has a positive charge, the neutron has no charge at all.
中子既不象带负电荷的电子,也不象带正电荷的质子,它根本就不带任何电荷。
The spatial distribution of that image represents the electron density around the atom.
图像的空间分布就代表了原子周围的电子密度。