cesium的读音 cesium中文意思

英音  ['si:zɪəm] 
美音  ['si:zɪrm] 
n.
中文词源
cesium 铯
词源同cerulean, 天蓝色的。因该金属元素呈天蓝色而命名。字母r,s音变。
cesium 用法和例句
Cesium 137 is a much bigger worry .
铯137的问题则更大。
Radioactive cesium was detected in broccoli in fukushima prefecture well above the country 's limit .
放射性铯元素在福岛的花椰菜中被发现,大大超出国家限制范围。
Shellfish live on the sea floor , accumulating and concentrating the cesium in their bodies .
贝类生活在海床上,其体内会积聚和集中大量的铯。
Now we fix our rulers to the speed of light and our clocks to a spectral property of cesium .
如今,我们通过光速确定尺子的刻度、通过铯元素的一项谱性质确定时钟的刻度。
Additionally , some areas near the crippled power plant , saw relatively large doses of radioactive cesium deposited on the ground .
此外,在严重受损的核电站的附近部分区域,地表沉积的放射性铯的含量相对较高。

汉语翻译

n. 铯
【化】 铯Cs
【医】 铯(55号元素)

英语解释

名词 cesium:

  1. a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal同义词:caesium, Cs, atomic number 55

详细解释


cesium 也作 cae.si.um
n.Symbol Cs (名词)符号 Cs A soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells and to catalyze hydrogenation of some organic compounds. Atomic number 55; atomic weight 32.905; melting point 28.5=C; boiling point '90=C; specific gravity .87; valence .See table at element 铯:一种质地柔软的银白色韧性金属,室温时为液体,为最具正电性与碱性的元素,用作光电池和某些有机化合物氢化作用的催化剂。原子序数55;原子量32.905;熔点28.5=C;沸点=C;比重.87;化合价参见 element
来源:From Latin caesius [bluish gray (from its blue spectral lines)] 源自 拉丁语 caesius [兰灰色(得名于蓝色光谱线)]