Last Updated
：2025/11/21
polonium-210
Noun
uncountable
Japanese Meaning
ポロニウムの放射性同位体で、²¹⁰₈₄Poとして表記される。半減期は138日。 / 放射線計測器の校正の際の参照用α線放出体として使用されることがある。
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(physics) A radioactive isotope of polonium, ²¹⁰₈₄Po, having a half-life of 138 days; it as used as a reference alpha emitter in the calibration of radiation counters
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polonium-210
The lab confirmed that the sample contained polonium-210, which accounted for the unexpected alpha radiation readings.
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The lab confirmed that the sample contained polonium-210, which accounted for the unexpected alpha radiation readings.
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