V2EX nitrogen cycle

Nitrogen Cycle

定义 Definition

nitrogen cycle氮循环;指氮元素在大气、土壤、水体与生物体之间,通过一系列生物与化学过程(如固氮、硝化、反硝化、同化、分解等)不断转化与循环的过程。常见于生态学与环境科学语境。

例句 Examples

The nitrogen cycle helps plants get the nutrients they need.
氮循环帮助植物获得所需的养分。

Human activities can disrupt the nitrogen cycle, leading to nitrate pollution in rivers and coastal waters.
人类活动可能扰乱氮循环,导致河流与近海水域的硝酸盐污染。

发音 Pronunciation (IPA)

/natrdn sakl/

词源 Etymology

nitrogen 来自法语 nitrogène,由 “nitro-(硝、硝酸盐相关)” 与 “-gen(产生…的)” 构成,原意与“生成硝(硝酸盐)”有关;cycle 源自希腊语 kyklos(圆、循环)。合起来表示“氮的循环过程”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Rachel Carson, Silent Spring(《寂静的春天》):讨论化学物质与生态系统过程时常涉及养分循环(包括氮循环)的生态意义。
  • Edward O. Wilson, The Diversity of Life(《生命的多样性》):在生态系统功能与物质循环的语境中提及氮等关键元素的循环。
  • Eugene P. Odum, Fundamentals of Ecology(《生态学基础》):经典生态学教材,系统讲解氮循环等生物地球化学循环。
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