用大型水蚤生物测试法对杭州两厂污水综合毒性和处理效果的评价浙江省杭州市卫生防疫站（３１０００６）袁振华，查捷，李严正工业排出的废水往往是一系列毒物的综合体，用化学法测出的单项毒物含量不能确切表达多种毒物的联合作用的综合毒性。而大型水蚤毒性试验可对废水... Hangzhou, Zhejiang Health and Epidemic Prevention Station (310006) Yuan Zhenhua, Zha Jie, Li Yanzheng Industrial discharge of wastewater is often a series of toxic complex, the use of large Daphnia biological test method of Hangzhou two plants sewage comprehensive toxicity and treatment effect evaluation. The combined toxicity of multiple toxicants can not be accurately expressed by chemical method. The large water Daphnia toxicity test on the wastewater ...