Studies on the behavior of arsenic in the environment are very important in order to deal with these problems. 本文從生物地球化學行為的角度綜述了關於砷在環境中遷移轉化方面的研究進展。
The sedimentary rock-hosted micrograined and disseminated gold deposits in Guizhou were formed by complex geological and geochemical processes in low temperature and open system. 貴州賦存於沉積岩中的微細浸染型金礦床為低溫開放體系中經複雜地質地球化學作用形成。
