• n. 銫（等于cesium）

來(lái)自拉丁詞caesius, 天藍(lán)色，詞源同cerulean, 天藍(lán)的。因該金屬元素在光譜儀里面呈藍(lán)色而得名。

caesium (n.)

see cesium.

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

這是冷卻,濾出沉淀的二氯碘化銫.

來(lái)自辭典例句

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

銫-137是一種放射性同位素, 主要由核分裂產(chǎn)生.

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

銫是核電站排放的放射性物質(zhì)之一.

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

原子鐘依靠銫原子的均勻振動(dòng)記錄時(shí)間,故而十分準(zhǔn)確.

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

德國(guó)化學(xué)家,是光譜分析領(lǐng)域的先驅(qū),與人合作發(fā)現(xiàn)了銫和銣兩種元素.

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