多硝基酚类污染物由于毒性大,具有生物积累性,难生化降解,对生态环境和人体健康构成严重的威胁。
The toxicity of organic pigment has become ecological concern.有机颜料是否具有毒性已成为人们关注的一个焦点。
The toxicity of residual xanthate in mineral concentration water is very serious. Accumulating in the gangue dam or discharging into natural water body can bring danger to the ecological environment.选矿废水中残留的黄药毒性较强,蓄积在尾矿坝中或排入天然水体中都会对周边生态环境产生一定的危害性。