Two people involved in the contamination were executed.
（六）放射性同位素，是指化学元素中具有相同原子序数，但质量不同且能发生放射性衰变的核素。
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在一线奔走，往细微处钻研。陈阳的履职大多在塘边泥埂上，没有聚光灯，却有一种让人踏实的笃定。正如她每天检验的种苗饲料——数据不掺假，分量不短秤。
Wu-Tang Clan's nomination comes after Gene Simmons from veteran rock band Kiss recently criticised the inclusion of hip-hop artists, saying they don't "belong" in the Hall of Fame.