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Mutation Breeding with Chemi-physical Methods by Aerobic Denitrifiers
Author(s): 
Pages: 14-17
Year: Issue:  3
Journal: Environmental Science & Technology

Keyword:  aerobic denitrifierschemical mutationUV-ray mutation;
Abstract: 以实验室SBR反应器分离出的好氧反硝化菌(WXZ-17)为原始菌株,以硫酸二乙酯(DES)为诱变剂进行化学诱变.通过反硝化性能测定筛选较好的正突变体1号,其NO_3~--N还原率比原始菌株WXZ-17高20.33%,做为物理诱变的出发菌株以紫外线为诱变剂进行物理诱变,优选出的1~6号的NO_2~--N还原率达到56.11%,比原始菌株WXZ-17号的NO_3~--N还原率高244%,且NO_2~-...
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