这也说明了对于单取代苯衍生物，取代基在致毒作用中可能起重要作用。
It is also showed that substituents could play an important role in the toxic effect of mono-substituted benzene derivatives.
游离二氧化硅致肺组织纤维化机制十分复杂，涉及多种细胞及生物活性物质参与的炎症反应、免疫反应、异物反应、细胞毒作用等。
The mechanism of fibrosis caused by free silica particles involves a lot of cells and reactions including inflammatory reaction, immunological reaction, foreign body reaction and cell toxic action.
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