V2EX nitrification

Nitrification

定义 Definition

硝化作用:在有氧条件下,土壤或水体中的硝化细菌/古菌氨(NH)或铵(NH)逐步氧化为亚硝酸盐(NO),再氧化为硝酸盐(NO)的生物化学过程。常见于氮循环、污水处理与农业土壤中。(该词在其他语境中也可泛指“使成硝酸盐”的过程。)

发音 Pronunciation (IPA)

/natrfken/

例句 Examples

Nitrification happens faster in warm, well-aerated soil.
硝化作用在温暖、通气良好的土壤中进行得更快。

In wastewater treatment, operators carefully control oxygen levels to optimize nitrification and reduce toxic ammonia.
在污水处理过程中,操作人员会精确控制溶解氧水平,以优化硝化作用并降低有毒氨的浓度。

词源 Etymology

来自 nitrify(使硝化)+ -cation / -fication(表示“使……化、形成……的过程”的名词后缀)。nitri- 与 “nitre/nitrate(硝石/硝酸盐)”同源,源自拉丁语 nitrum(天然碱/硝石)及更早的希腊语相关词形,后来在近代科学语境中固定为描述氮循环中的关键步骤。

相关词 Related Words

文学作品中的用例 Literary Works

  • 《The Ecology of Nitrogen》(J. M. Anderson 等,学术生态学著作)中在讨论氮循环与土壤过程时会使用 nitrification
  • 《Microbiology》(Prescott 等经典微生物学教材)在硝化细菌与生物地球化学循环章节中频繁出现 nitrification
  • 《Principles of Environmental Engineering & Science》(环境工程教材)在污水处理与生物脱氮流程中常见 nitrification
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