electron volt

electron volt的音标为[ɪ"lektrɒn vɔɪlt]，基本翻译为“电子伏特”，速记技巧为“e伏”代表电子伏特。

Electron volt (eV)是一个能量单位，通常用于描述电子在电场中所具有的能量。这个词的英文词源可以追溯到拉丁语和希腊语，具体来说，它由“electrum”（意为“电气”）和“volt”（意为“伏特”，这是电的一种单位）两个词组合而成。

变化形式：

1. 复数形式：electronvolts。

2. 过去式和过去分词：electronevolted。

相关单词：

1. Volt-meter（伏特计）：一种测量电压的仪器，通常用于测量电路中的电压。

2. Voltage（电压）：电场中两点之间的电势差，是电荷移动的动力。

3. Electrostatics（静电学）：研究带电物体之间相互作用和影响的一门物理学分支。

4. Electrochemistry（电化学）：研究电和化学反应之间相互影响的一门科学。

5. Electroplating（电镀）：一种金属表面处理技术，通过电解过程将金属沉积在工件表面。

6. Electrofusion（电熔接）：一种焊接技术，通过电流使两个金属部件熔化并融合在一起。

7. Electroencephalography（脑电图）：一种医学技术，通过记录脑电活动来研究大脑功能。

8. Electrocardiogram（心电图）：一种医学仪器，用于记录心脏的电活动。

9. Electrolysis（电解）：一种化学过程，通过电流分解电解质，通常用于去除污垢或生产金属。

10. Electromagnetic radiation（电磁辐射）：包括光、无线电波、X射线等所有在空间中传播并具有一定波长的能量波。

常用短语：

1. electron volt (eV)

2. atomic unit of energy (A.U.)

3. chemical potential

4. kinetic energy

5. potential energy

6. work function

7. chemical bond

例句：

1. The electron volt is a fundamental unit of energy in chemistry.

2. The chemical potential determines the energy of a system at a given temperature and pressure.

3. Kinetic energy is the energy of motion, while potential energy refers to energy stored up in a system due to its arrangement or position.

4. Work function determines how much energy is needed to remove an electron from a material.

5. Chemical bonds are formed when atoms share their electrons to create stable configurations.

6. Electronvolt-level technology is essential for high-performance electronics and solar cells.

7. The atomic unit of energy, the A.U., is a fundamental measure of energy in chemistry and physics.

英文小作文：

The electron volt, a fundamental unit of energy in chemistry and physics, plays a crucial role in modern technology. It is used in high-performance electronics, solar cells, and other fields where energy conversion and storage are critical. The electron volt is closely related to other units of energy such as the kilo-electronvolt, which is used to measure the energy of some elements and isotopes, and the atomic unit of energy, which represents the energy required to displace an electron from an atom. These units help us understand the relationship between energy and matter, and how they are interconnected in the universe. In addition to its practical applications, the electron volt is also fundamental to our understanding of the basic building blocks of matter and their interactions.