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用细菌回复突变试验和重组试验检测12个工厂废水富集物的致突变性。结果表明:7个工厂废水富集物分别对TA98和TA100菌株或Ecoliwp2和Ecoliwp2 uvrA菌株有强致突变效应,9个工厂废水富集物分别对枯草杆菌H17和M45菌株出现阳性重组效应。它们的最小致突变剂量相当于0.04ml至50ml废水的富集物。
Bacterial Mutation Mutation Test and Recombination Test to Detect Mutagenicity of 12 Plant Wastewater Enrichment. The results showed that seven industrial wastewater enrichments had strong mutagenic effects on TA98 and TA100 strains or Ecoliwp2 and Ecoliwp2 uvrA strains, respectively. Nine plant wastewater enrichments showed positive recombination effects on B. subtilis H17 and M45 strains, respectively. Their minimum mutagenic dose corresponds to 0.04 ml to 50 ml of wastewater concentrate.