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- W2390674787 abstract "This experiment included 2 parts. During the first part, the single toxic effect of the 3 kinds of chemicals on the growth of T.wisconsinense were tested. The results show that the 24 h EC 50 values of acetadehyde(AA), p-phtyhaalic acid(PTA) and elhytene glycol(EG) are 18. 46, 584.33 and 6 800.00 mg/L, respectively, and the 48 h EC 50 of the 3 were 18.89, 573.32 and 25 620.00 mg/L, respectively. According to these results, the 3 chemicals were mixed on toxic unit ratio 1∶1∶1 basis. Four levels of mixtures were made, which were A(AA∶PTA=1∶30, on concentration basis, the same below), B(AA:EG=1:1 356), C(PTA∶EG=1∶45)and D(AA∶PTA∶EG=1∶30∶1 356). The results show that the 48 h EC 50 values of A, B,C and D for T. wisconsinense are 197.21, 8 806.3,1 344.07 and 9 120.1 mg/L, respectively, the combined toxicity indicating additional action. The study comes to the conclusion that the inhibiting effect of single toxic chemical on living things' growth can hardly be used to predict the whole effect of waste water on environment because in waste water at least more than 2 kinds of chemicals are included, and they will undoubtedly have joint effects on living things." @default.
- W2390674787 created "2016-06-24" @default.
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- W2390674787 date "2000-01-01" @default.
- W2390674787 modified "2023-09-23" @default.
- W2390674787 title "Joint effect of acetadehyde, p phthaalic acid and elhylene glycol on growth of Tetradesmus wisconsinense" @default.
- W2390674787 hasPublicationYear "2000" @default.
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