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cesium

美 [ˈsiziəm]英 [ˈsiːziəm]
  • n.铯
  • 网络放射性铯；金属铯；原子钟

cesiumcesium
权威英汉双解英-汉英-英网络释义

cesium

n.

铯

铯（cesium）是有拉丁语caesius而得名，意思是天蓝色，因为它有两条鲜艳的蓝色光普线。它是第一种用光谱法发现的元素， …

放射性铯

　　他说，放射性铯（cesium）的严重污染，可能造成核电站附近的某些地区至少几十年无法居住。　　虽然日本政府保证，此事所产 …

金属铯

CS - CAS号查询 ... 溴化铯 Cesium bromide; 金属铯 cesium; 长春新碱 Vincristine; ...

原子钟

...常的精密复杂，它可以计算出一些极微小的讯息信息，如原子钟(Cesium) 即是如此一个精准的装置，但是精准并不代表完美…

铯离子

原子吸收标准溶液和ICP标准溶液... ... 铷离子 Rubidium 铯离子 Cesium 砷离子 Aresnic ...

铯原子

由于电波塔的时计是用稀有的铯原子（Cesium）所制，所以能准确的保持标准时间，拥有10万年误差1秒的惊人效能。电波校 …

铯元素

锌元素 English, 翻译, 发音, 字典 Chinese... ... 区块层级元素 block-level element 铯元素 cesium 上级元素 ancestor element ...

原级铯

Kirchhoffs Law for Power Supply impedanc ... Brinell 原级勃 cesium 原级铯 clock 原级钟 ...

例句：
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Because iodine starts to dissipate after a few days, the risk isn't as long lasting as with cesium, which remains for decades, he said.
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In spinach it was more than seven times higher. The spinach also contained slightly higher amounts of cesium-137.
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Cesium-134 is considered somewhat less of a long-term problem because it has a half-life of two years.
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As a result of these test runs, the cesium beam became the standard for international time.
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They say the feed consumed by the animals measured up to 500 times the national safety limit for radioactive cesium.
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Indicated the good result of the long-term operation of the optically pumped cesium beam frequency standard in China.
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Over the long term, the big threat to human health is cesium-137, which has a half-life of 30 years.
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Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.
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After entering, cesium gets widely distributed, its concentrations said to be higher in muscle tissues and lower in bones.
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The radiation from cesium-137 can throw cellular machinery out of order, including the chromosomes, leading to an increased risk of cancer.
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A chain of reactions, starting with a beam of laser-excited cesium atoms, transfers the positrons to the antiprotons to form antihydrogen.
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One of the major factors which effect the accuracy of optically pumped cesium frequency standards is caused by microwave leakages.
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And an ytterbium clock has the potential to be even more accurate and stable than the cesium chronometer.

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