常見例句雙語例句At last, the analysis methods of soil mercury forms and emission flux of vapor phase of mercury from soil are discussed.最后,還介紹了土壤汞形態(tài)的分析方法以及土壤揮發(fā)性汞釋放通量的測量方法。The soil N_2O emission flux in the plantation of Acer truncatum and Piuns tabuleaformus woodland was measured in situ using static closed chamber technique.用靜態(tài)封閉箱式技術原位測定了西山地區(qū)元寶楓和油松兩種人工林地土壤N_2O的排放通量,表明該地區(qū)森林土壤為大氣N_2O氣體一個重要的源。The wheat planting and film mulching all increased the soil phosphatase activity and N2O emission flux, applying fertilizer could enhance the phosphatase activity.農田種植小麥和覆膜均增加了土壤磷酸酶活性和N2O的排放。 返回 emission flux