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
- The accessibility of acidic protons in12-phosphotungstic acid and its cesium hydrogen salt has been studied by the probe molecule trimethylphosphine and solid state NMR.
使用与反应分子大小接近的碱性探针分子三甲基膦和固体核磁共振技术,定量研究了磷钨酸及其铯盐的酸位可接近性。 - A second of time, for instance, is now defined in terms of an electron transition of the cesium atom.
比如说,秒就是根据铯原子内部的电子跃迁时间来的下定义,而米的定义则和光速有关。 - Experimental results show that the slow cesium atomic clock time a very small unit.
结果实验表明铯原子钟慢了很小的一个时间单位。 - 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。 - Cesium atomic beam frequency standard
铯原子射束的频率标准 - 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。 - Cesium versus gold is the same delta electronegativity difference.
铯和金,具有相同的电负性差。 - 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)。 - 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。 - Cold cesium atoms are obtained using magneto-optical trap ( MOT) technology.
利用磁光阱(MOT)技术获得了铯冷原子。
