cesium
英 [ˈsiːziəm]
美 [ˈsiːziəm]
n. 铯（化学元素，符号Cs）
COCA.30881
英英释义
noun
- a soft silver-white ductile metallic element (liquid at normal temperatures)
双语例句
- Cesium versus gold is the same delta electronegativity difference.
铯和金，具有相同的电负性差。 - Engineers are currently planning a two-stage ion exchange process to extract radioactive cesium and technetium from the soluble part of the alkaline tank waste.
工程师目前正在规划一个两阶段离子交换过程，将具有放射性的铯与从碱性的废料溶液中萃取出来。 - The sea near the nuclear plant has also shown elevated levels of radioactive iodine and cesium, prompting the Japanese government to test seafood.
核电站附近海域海水中放射性铯和碘的含量已经升高，促使日本政府对海产品进行放射性检测。 - The metal sheet is coated with a certain special material, such as cesium.
金属片上涂有象铯那样的某种特殊材料。 - Any of the monovalent metals of group I of the periodic table ( lithium or sodium or potassium or rubidium or cesium or francium).
周期表中I族的任何单价金属（锂、钠、钾、铷、铯和钫）。 - Cesium and water, and even and low temperature to-116 degrees of ice can occur with violent reaction, also can generate stable halogen halide, this is because it is caused by large radius of ions.
铯和水，甚至和温度低到-116℃的冰均可发生猛烈反应，与卤素也可生成稳定的卤化物，这是由于它的离子半径大所带来的特点。 - A rare mineral that is an important source of cesium.
一种稀有矿物，是铯的重要来源。 - National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard.
美国国家标准技术研究所的研究人员正在开发一种镱原子钟，这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。 - Another example of the cubic lattice system is the body-centered cubic crystal of cesium chloride.
立方晶系的另一个例子是氯化铯的体心立方晶体。 - A cesium clock operates by exposing cesium atoms to microwaves until they vibrate at one of their resonant frequencies and then counting the corresponding cycles as a measure of time.
一个铯钟的工作原理是：将铯原子暴露于微波中，直到它们以一个频率共振，然后以一个相应的周期作为时间度量。