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- stadle isotopes 稳定同位素
- Isotopes that emit radioactive particles; a stove emitting heat. 发射出放射性粒子的同位素; 发出热量的炉子
- Later he named these separate forms isotopes. 后来他称这些不同的形式为同位素。
- Tritium is one of the mildest radioactive isotopes. 氚是辐射最和缓的放射性同位素之一。
- U235,U238,and U239 are three isotopes of uranium. 铀235、铀238和铀239是铀的三种同位素。
- Xenon possesses nine stable isotopes. 疝具有九种稳定的同位素。
- Isotopes which give off rays are known sa radioisotopes. 辐射出射线的同位素被为放射性同位素。
- The breakdown of radioactive isotopes goes on at constant rates. 放射性同位素的衰变在恒定的速率下进行。
- Isotopes which give off rays are known as radioisotopes. 辐射出射线的同位素被为放射性同位素。
- We consider isotopes ofgreat use for our research work. 我们认为同位素对研究工作很有用。
- Most isotopes produced artificially are radioactive. 多数人工制造的同位素都具有放射性。
- Seventy of the 350 naturally occurring isotopes are radioactive. 自然界有350种天然同位素，其中70种有放射性。
- Sulphur can influence the carbon isotopes of gaseous hydrocarbon. 单质硫还会影响气态烃碳同位素组成。
- Which of the following isotopes has the longest half-life? 下列哪种同位素的半衰期最长？
- We consider isotopes of great use for our research work. 我们认为同位素对研究工作很有用。
- They consider isotopes of great value for the study of high energy physics. 他们认为同位素对研究高能物理学有很大价值。
- 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。
- Thompson was able to demonstrate the existence of two isotopes of neon. 汤普森能证明氖有两种同位素存在。
- The result was the peculiar segregation of xenon isotopes we uncovered. 结果就是我们所观察到，氙同位素的特殊区隔。
- Any of several radioactive gases that are isotopes of radon and are products of radioactive decay. 射气几种氡的同位素的放射性气体，是放射性物质衰变的产物
