unstable isotope

常见例句

雙語例句

• Each element has at least one isotope with unstable nuclei that can undergo radioactive decay .
  每個元素至少有一個同位素不穩定原子核可以進行放射性衰變。

權威例句

• Being a company of utter geeks, Google called this beta test laptop the Cr-48 after the chemical name of an unstable isotope of the chrome element.
  FORBES: Names You Need to Know: Cr-48
• Fission comes from the relatively unstable isotope u-235.
  FORBES: Companies, People, Ideas
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