【摘要】 多环芳烃类污染物(PAHS)是化学性质比较稳定的一类污染物,具有“三致”作用,不仅难降解,而且生物毒性强,对水生态环境产生一定危害,研究表明,松花江江水以及松花江水补给的近江的浅层井水,包括水生生物及底质,均含有多环芳烃类污染物,但暂不会对水生物和人体健康构成危胁。更多还原

【Abstract】 PAHS is Stable in chemical property and may cause carcinogenesis, teratogenesis and mutation. It is not easily de-gradable and has strong toxieity for organism and aquatic environment. The paper states that PAHS is existing in the Songhua river, the shallow phreatic water near the river, the aquatic organisms and sediment. But for the present, it is not harmfulto the a-quatic organisms and human health.更多还原