这种污染物很容易在大范围的地理区域内扩散，保持其毒性，并具有在生物脂肪组织内积累的倾向。
The pollutants disperse easily across wide geographic areas, retain their toxicity, and have a tendency to accumulate in the fatty tissues of organisms.
但银同样也会在环境中积累，当其达到一定浓度时将有毒性。
But silver can also accumulate in the environment and, at certain levels, prove toxic.
您不要急于服用维生素a补充药物，如果摄入过多维生素a，机体无法将其排出，会积累产生毒性。
If you do not have to rush to take vitamin a supplements, excessive intake of vitamin a, which the body does not discharge it, will produce toxic accumulation.
着重阐述了重金属毒性影响因素和鱼类对重金属吸收和积累机理方面的研究现状和趋势。
The present study condition and trend of affecting factors of heavy metal's toxicity and the mechanisms of accumulation of heavy metals by fishes are mainly summarized.
铅的毒性不断积累，并慢慢表现出来。
The toxic effects of lead are accumulative and slow to appear.
现在可明显看出，硫柳汞的短半衰期避免了毒性的积累并发生。
Now it's obvious that ethyl mercury's short half-life prevents toxic build-up from occurring.
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。
Nitrophenols wastewater with the feature of strong toxicity, bioaccumulation and difficulty biochemical degradation, threat the ecological environment and human health seriously.
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。
Nitrophenols wastewater with the feature of strong toxicity, bioaccumulation and difficulty biochemical degradation, threat the ecological environment and human health seriously.
应用推荐