electron

Magnetic coils focus the electron beams into fine spots .

磁线圈把电子束聚焦成微小的点。

The electron microscope uses a beam of electrons to produce images at high magnifications

电子显微镜利用电子束形成高倍影像。

Under certain conditions , electrons can behave like waves rather than particles .

在一定条件下，电子可以作波状运动，而不是粒子状运动。

Protons are nearly 2000 times as heavy as electrons .

质子的质量几乎是电子的2,000倍。

A new technological marvel was invented at Cambridge University in England , the scanning electron microscope .

一项科技新奇迹在英国剑桥大学诞生了——这就是扫描电子显微镜。

As these electrons are negatively charged they will attempt to repel each other .

因为这些电子都是带负电荷的，它们会互相排斥。

An atom itself is a complete whole , with its electrons , protons and neutrons and other elements

一个原子本身就是一个完整的整体，包括电子、质子、中子及其他元素。

Electrons weigh very little , so they aren 't even counted in the atomic weight .

电子非常轻，因此在原子量中甚至没有计算它。

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原子核的束缚。

An electron moving in an excited orbit'stays there only for a very short time .

电子在激发态轨道上只能逗留很短的时间。

An electron has a negative charge , a proton has a positive charge .

电子带负电荷，质子带正电荷。

The scanning electron microscope provides information on chemical composition by use of X-ray spectrometer attachments .

扫描电子显微镜能利用x射线谱仪的附件来提供化学组分的信息。

The behavior of these unbound electrons is critical .

这些自由的电子作用极为重要。

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 television receiver contain a very special sort of electron tube , called a " cathode-ray " tube .

电视接收机有一个非常特殊的电子管，称为阴极射线管。

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。

Except for the transitional elements , valency electrons are in the outermost electron shell .

除去过渡元素外，价电子位于最外面的电子层。

Electrons or any other " particle " should display wave properties to preserve the complementary wave-particle symmetry of nature .

电子及其他任何粒子都应该显示波的性质，才能体现自然界波粒互补的对称性。

Essentially the catalytic properties of clay minerals arise because of their ability to donate protons or accept electrons in reaction mechanisms .

从本质上看，粘土矿物具有催化性质，这是因为粘土矿物在反应过程中能放出质子或接受电子。

Because of their inertia , the electrons will overshoot and oscillate around their equilibrium positions with a characteristic frequency known as the plasma frequency .

因为电子的惯性，它们将冲过平衡位置，并以特征频率围绕它们的平衡位置振荡。

Electrons are negatively charged with electricity , protons are positively charged .

电子是带负电荷的，质子是带正电荷的

Electrons are negatively charged with electricity .

电子带负电荷

Antioxidants are molecules that fight that stress by handing over their own electrons without becoming unstable themselves .

抗氧化剂是通过传递自己的电子，而不使自身变得不稳定的分子来对抗这种压力。

Without a second electron , these free radicals are unstable7 , so they scavenge other cells to find an electron to pair with .

如果没有第二个电子，这些自由基是不稳定的，因此它们会清除其他细胞，以找到一个与之配对的电子。

During daily life , chemical reactions in your body can split oxygen molecules5 into atoms with unpaired electrons , which are called free radicals6 .

在日常生活中，体内的化学反应会将氧分子分裂成带有未配对电子的原子，这些电子称为自由基。

Antennal sensilla type , number and distribution of the Tessaratoma papillosa Drury were studied by scanning electron microscope .

应用扫描电镜技术研究了荔枝蝽（TessaratomapapillosaDrury）触角化感器的类型、数量和分布。

Simulation of Transient Process in Electron Control Fuel Injection System

电子控制燃油喷射系统瞬变过程的模拟

Increase Technology of the Digital Image of the Transmission Electron Microscope

透射电子显微镜数字图像增强技术

Application of PLC in control system for electron beam single crystal furnace

PLC在电子束单晶熔炉控制系统中的应用

Using methods like electron beam melting or selective laser sintering .

使用方法如电子束熔炼或选择性激光烧结。