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[Objective]To determine influence of urban sewage to zebrafish embryos and their larvas hatched into. [Method]By using of static method, toxic effects of urban sewage treated or untreated on zebrafish embryos and larvas were observed under control conditions in laboratory. Furthermore, their possible toxic mechanisms were also discussed. [Result]The sewage of M sewage treatment plant in AnNing District,...
The underground infiltration sewage treatment system has invests, the equipment to be simple few, the expense is low, management simple and so on characteristics. Through increase voluntarily the development's microorganism microbial inoculum improvement soil character and in the enhancement underground infiltration system microorganism activeness, and carries on the microbial inoculum the physiological...
In order to promote regional sewage pipe network and sewage incomplete dispersion area sewage treatment, biological purification and filtration combined with underground, a small modular ecological design of sewage treatment facilities. In the winter day the water content of 100L/d under the conditions studied the effects of their purification. The results showed that, when COD, NH4+-N, TP influent...
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