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单词
cesium-134
释义
cesium-134
cesium-134
[
′sē·zē·əm ‚wən‚thərd·ē′fȯr
]
(nuclear physics)
An isotope of cesium, atomic mass number of 134; emits negative beta particles and has a half-life of 2.19 years; used in photoelectric cells and in ion propulsion systems under development.
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更新时间:2025/3/28 12:07:35