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煤尘对肺巨噬细胞具有一定毒性,使细胞存活率降低。煤尘中金属元素含量较低。经相关分析,八个煤矿煤尘的细胞存活率与各矿煤尘中的26种金属元素含量和游离SiO_2含量相关不显著。
Coal dust on lung macrophages have some toxicity, so that cell survival rate decreased. Low metal content in coal dust. The correlation analysis showed that the cell survival rate of coal dust in eight coal mines was not significantly correlated with the contents of 26 kinds of metal elements and free SiO 2 in coal mine dust.