Based on standard of environmental value about element of heavy metal in citydust mentioned above, we utilize the method of index and assess environmental value about element of heavy metal in xi’an city.
在上述城市灰尘重金属元素环境质量标准的基础上,采用指数分级评价法,进行西安市灰尘重金属污染环境质量综合评价。
参考来源 - 西安市城市灰尘环境污染及环境质量评价·2,447,543篇论文数据,部分数据来源于NoteExpress
应用推荐