V2EX characterization factor

Characterization Factor

释义 Definition(中文)

characterization factor(表征因子 / 特征化系数):常用于生命周期评价(LCA)与环境影响评估中,指把某种排放或资源消耗量换算为某一影响类别指标(如全球变暖潜势、酸化潜势等)的换算系数。它回答“1 单位的某物会造成多少某类影响”。

发音 Pronunciation(IPA)

/krktrzen fktr/

例句 Examples

A characterization factor converts emissions into an impact score.
表征因子把排放量换算成影响评分。

Using updated characterization factors, the study recalculated the product’s global warming potential to reflect the latest climate science.
使用更新后的表征因子,该研究重新计算了该产品的全球变暖潜势,以反映最新的气候科学结论。

词源 Etymology(中文)

characterization 源自 characterize(描述……的特征、表征),其核心含义是“把某事物的性质用可比较的方式表达出来”;factor 源自拉丁语 factor,有“事者/造成结果的要素”之意。在环境评估语境中合起来,强调“用一个要素(系数)来表征并换算影响”。

相关词 Related Words

文献与著作 Literary / Notable Works

  • ISO 14040(Environmental managementLife cycle assessmentPrinciples and framework)
  • ISO 14044(Environmental managementLife cycle assessmentRequirements and guidelines)
  • IPCC Assessment Reports(涉及温室气体的指标与换算,如 GWP 的表征思想与参数体系)
  • Guinée (ed.), Handbook on Life Cycle Assessment / Life Cycle Impact Assessment(2002)
  • ReCiPe 2016 方法文档(生命周期影响评价中表征因子体系的重要来源)
  • US EPA TRACI 文档(北美常用 LCIA 方法,提供多类影响的表征因子)
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