isotopes是什么意思？

isotopes

英['aɪsətəʊps] 美['aɪsətoʊps]

• n. 同位素，<核>同位素( isotope的名词复数 )；

例句

• Tritium is one of the mildest radioactive isotopes. 氚是最和缓的放射性同位素之一.
• the many isotopes of carbon 碳的诸多同位素
• Nucleon and use of radioactive isotopes to launch particle ionizing air molecules. 核子中和利用放射性同位素发射粒子,使空气分子电离.
• The inferno spewed a deadly plume of radioactive isotopes into the atmosphere. 这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层.
• More reactive are the heavier isotopes of hydrogen, deuterium and tritium. 更为活跃的是氢的较重同位素, 氘和氚.
• There are two main types of uses of radioactive isotopes in biochemistry. 在生物化学中,放射性同位素主要有两方面的应用.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  同位素
  Isotopes are atoms that have the same number of protons and electrons but different numbers of neutrons and therefore have different physical properties.
  例句
  ...tritium, a radioactive isotope of hydrogen. 氢的放射性同位素氚