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radioactive standard
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radioactive standard
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radioactive standard
放射性标准
经过精确测定、比对、公认的,可作为放射性活度计量标准的放射性物质或制品。放射性标准以单位时间内发生的核衰变数来计量,单位为贝可(Bq)。
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radioactive standard
放射性标准
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