total nitrogen　是什么意思_total nitrogen　用英语怎么说_total nitrogen　的翻译_total nitrogen　翻译成_total nitrogen　的中文意思_total nitrogen　怎么读,total nitrogen　的读音,total nitrogen　的用法,total nitrogen　的例句

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.

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Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.

秸秆还田增加了土壤全氮和无机氮含量.

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