In the accumulation toxicity, Kcum and Ic were used as two evaluation indexes. The result showed that accumulations of 2,4-DNT, 4-NT and m-DNB were evident, 2,6-DNT was medium and 2,4-DNAn was slight by Kcum.

• 采用蓄积系数Kcum评价受试物的蓄积毒性，得出：2,4-DNT为明显蓄积，4-NT为明显蓄积，m-DNB为明显蓄积，2,6-DNT为中等蓄积，2,4-DNAn为轻度蓄积。