positron
英['pɒzɪtrɒn]
美['pɑːzɪtrɑːn]
- n. 正电子
详细释义
Noun:
-
an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
双语例句
- 1. After an immeasurably short time interval, the electron - positron pair recombine.
- 电子 ― 正电子偶经过一个不可测量的短暂时间间隔后就重新复合.
来自辞典例句
- 2. The positron is an antielectron.
- 正电子就是反电子.
来自辞典例句
- 3. The electron - positron pair may survive without recombining.
- 电子 - 正电子偶可以存在下来而不再复合.
来自辞典例句
- 4. The vacancy defects of samples were measured by slow positron annihilation.
- 借助慢正电子湮没技术研究了样品的空位型缺陷.
来自互联网
- 5. Magnetized water samples were measured by the positron annihilation lifetime spectrometer.
- 用正电子湮没寿命谱仪对经过磁场处理的水样品进行了对照测量.
来自互联网
- The result is that the electron shadow and the positron shadow are separated.
结果将使得电子的阴影和正电子的阴影被分开。 - The vacancy defects of samples were measured by slow positron annihilation.
借助慢正电子湮没技术研究了样品的空位型缺陷。
用作名词 (n.)
用法讲解
- positron-emission tomography 正电子放射断层造影术...
- positron radiation 正电子辐射,阳电子辐...
- positron camera 阳电子照相机,正电子...
- positron annihilation 阳电子湮没
- electron-positron field 阴阳电子场
- positron emission 正电子放射
- positron emitter 正电子发射体...
- positron decay 阳电子衰变
相关词汇
- antielectron 反电子
【近义词】
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