positron

• n. [物] 正电子，阳电子

缩写自positive electron.

positron (n.)

1933, coined from posi(tive) (elec)tron.

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