V2EX r-1234yf

R-1234YF

释义 Definition

R-1234yf(也写作 HFO-1234yf)是一种用于空调系统(尤其是汽车空调)的氢氟烯烃(HFO)制冷剂,因其全球变暖潜能值(GWP)较低而被广泛用来替代 R-134a。(在工程与法规语境中常见;也存在其他用途与配方相关讨论。)

发音 Pronunciation (IPA)

/r wn tu θri fr wa f/

例句 Examples

The car’s air conditioner uses R-1234yf.
这辆车的空调使用 R-1234yf 制冷剂。

Because of environmental regulations, many manufacturers switched from R-134a to R-1234yf in newer models.
由于环保法规,许多制造商在新车型中把 R-134a 改为使用 R-1234yf。

词源 Etymology

“R-”来源于 Refrigerant(制冷剂) 的编号体系;“1234yf”是化学与制冷剂命名/分类中使用的序列标识,用来区分具体分子与异构体。该名称更多是技术标准化命名,并非传统词根构词。

相关词 Related Words

文献与出版物中的出现 Literary / Notable Works

  • ASHRAE HandbookRefrigeration(美国采暖、制冷与空调工程师学会手册:制冷篇)
  • SAE International 相关汽车空调制冷剂标准与推荐实践(如涉及 HFO-1234yf 的安全与使用规范文件)
  • IPCC(政府间气候变化专门委员会)关于含氟气体与替代制冷剂的技术评估与报告中常见相关条目
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