V2EX hcfc

HCFC

定义 Definition

HCFC 是 hydrochlorofluorocarbon(含氢氯氟烃) 的缩写:一类常用于制冷剂、发泡剂和清洗溶剂的化学物质。它们会消耗臭氧层(程度通常低于 CFC),同时也具有一定的温室效应;因此在《蒙特利尔议定书》等国际框架下被逐步淘汰。

发音 Pronunciation (IPA)

/et si f si/

例句 Examples

HCFCs were widely used in air conditioners in the past.
过去 HCFC 曾被广泛用于空调中。

Although HCFC-22 replaced some CFCs, it still contributes to ozone depletion and climate warming, so many countries are phasing it out.
尽管 HCFC-22 替代了一部分 CFC,但它仍会导致臭氧消耗并加剧气候变暖,因此许多国家正在逐步淘汰它。

词源 Etymology

HCFC 来自首字母缩写:**Hydro-(含氢)、Chloro-(含氯)、Fluoro-**(含氟)和 Carbon(碳氢骨架相关的有机化合物)。它强调这类化合物的组成特征:在含氟碳化合物中引入了氢与氯,从而改变其稳定性与环境影响。

相关词 Related Words

文学与重要文本中的用例 Literary Works

  • Montreal Protocol on Substances that Deplete the Ozone Layer(《关于消耗臭氧层物质的蒙特利尔议定书》及其后续修正案文本中常出现 HCFC 管控条款)
  • Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer(UNEP《蒙特利尔议定书手册》:对 HCFC 的定义、清单与淘汰时间表有系统说明)
  • IPCC/TEAP Special Report: Safeguarding the Ozone Layer and the Global Climate System(IPCC/TEAP 联合特别报告:讨论 HCFC 与替代品对臭氧与气候的影响)
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