V2EX life cycle assessment

Life Cycle Assessment

定义 Definition

life cycle assessment(LCA)生命周期评价/生命周期评估。一种环境管理与分析方法,用于在产品、服务或系统的全生命周期(原材料获取、生产、运输、使用、维护、回收/处置)中,量化其资源消耗与环境影响(如温室气体排放、酸化、富营养化、毒性等),以支持改进与决策。也常译为“全生命周期评估”。

发音 Pronunciation (IPA)

/laf sakl ssmnt/

例句 Examples

We used a life cycle assessment to compare paper and plastic bags.
我们用生命周期评价来比较纸袋和塑料袋。

A comprehensive life cycle assessment showed that most emissions occur during the product’s use phase, not manufacturing.
一项全面的生命周期评价显示,大部分排放发生在产品使用阶段,而不是制造阶段。

词源与用法说明 Etymology & Usage

该短语由 life cycle(生命周期)+ assessment(评估/评价)构成,20世纪后期在环境科学与工业生态学中逐渐定型,用于强调“从摇篮到坟墓(cradle-to-grave)”的全流程影响核算;在学术与政策文本中常缩为 LCA,并与国际标准体系(如ISO)紧密相关。

相关词 Related Words

文献与著名出处 Notable Works

  • ISO 14040: Environmental management Life cycle assessment Principles and framework(生命周期评价原则与框架)
  • ISO 14044: Environmental management Life cycle assessment Requirements and guidelines(生命周期评价要求与指南)
  • Handbook on Life Cycle Assessment: Operational Guide to the ISO Standards(Guinée 等编)
  • Life Cycle Assessment: Theory and Practice(Hauschild、Rosenbaum、Olsen)
  • Environmental Life Cycle Assessment(Mary Ann Curran)
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