The results showed that the main pollutants into the sea from rivers were COD, nutrients, petroleum and heavy metal (e.g.Cu, Pb, Zn, Cd, Hg) and so on.

 
  • 结果表明,由河流携带入海的主要污染物为化学需氧物质、营养盐、石油类和重金属(铜、铅、锌、镉、汞)等。
今日热词
目录 附录 查词历史