The result showed that the extracts of all kinds of DEPs would increase the CPM value of UDS test, and dose response relationship was obtained.

 
  • 各牌號比較發(fā)現其顆粒物致突變性有輕型車(chē)大于中、重型車(chē),國產(chǎn)車(chē)大于同類(lèi)進(jìn)口車(chē)的趨勢。
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