The concentrations and distribution patterns of lead, zinc, mercury in surface water of Fenghuang lead-zinc deposit area of western Hunan province and its natural and human causes were studied.

  • 以湘西境内凤凰铅锌矿区不同区域的地表水为对象,研究了铅锌矿区水体中Pb、Zn、Hg等元素的污染状况及成因。

  • 互联网摘选 2025-02-07 20:55:14

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句