caesium

来自拉丁词caesius, 天蓝色，词源同cerulean, 天蓝的。因该金属元素在光谱仪里面呈蓝色而得名。

caesium (n.)

see cesium.

1. It is cool and filter the precipitated caesium dichloroiodide.

这是冷却,滤出沉淀的二氯碘化铯.

2. Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.

铯-137是一种放射性同位素, 主要由核分裂产生.

3. Caesium is one of the radio - contaminants discharged from nuclear power plants.

铯是核电站排放的放射性物质之一.

4. Atomic clocks rely on regular oscillations of caesium atoms to keep time and are extremely accurate.

原子钟依靠铯原子的均匀振动记录时间,故而十分准确.

5. German chemist who pioneered in spectrum analysis and codiscovered the elements caesium and rubidium.

德国化学家,是光谱分析领域的先驱,与人合作发现了铯和铷两种元素.