nuclide

例句：

1. 1. The nuclide in the sample was identified as uranium-235.
   样本中的核素被鉴定为铀-235。
2. 2.The study focused on the isotopic composition of the water samples.
   该研究专注于水样中同位素组成。
3. 3.The discovery of new isotopes has sparked interest in their potential applications.
   新同位素的发现激发了对它们潜在应用的兴趣。