total nitrogen

• 总氮

total nitrogen的用法和样例：

例句

1. The methods for determining total nitrogen and basic nitrides content in diesel oil are described.
   摘要介绍了测定柴油中总氮及碱性氮含量的各种方法。
2. And we also give some advice on controlling and reducing the total quantity of TN, which was input into the groundwater.
   并针对控制及减少输入到地下水中总氮的总量提出了建议。