nitrogen removal

• 脱氮

nitrogen removal的用法和样例：

例句

1. Nitrification is an important step to affect nitrogen removal in biological treatment processes.
   生物脱氮系统中，硝化作用好坏是影响脱氮工艺效率的重要步骤。
2. Investigation of extracting nitrogen compounds by solvent complexation is now actively under way.
   综述了石油产品脱氮研究进展，提出了催化裂化柴油络合萃取脱氮的途径。