音标:['pɒzitrɒn] ;
n. 正电子
[化] 正子; 正电子
n. an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
词型变化:名词复数形式 : positrons
词性分布:
名词100%

positron的用法和样例:

例句

用作名词(n.)
  1. 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。
  2. 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。

词汇搭配

  • 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
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