physical mutant

Taking specific activites of water sample as assessments index, the abilities of different water purification unit processes to remove chlorinated mutagenic precursors were assessed from the results of Ames test and the features of the precursors.

采用水样比活性作为评价指标，从Ａｍｅｓ试验结果和致突变前体物性质两方面，探讨了不同单元净水工艺对Ａｍｅｓ试验氯化致突变前体物的去除能力，从而为净水工艺的选择提供参考依据。