
Hydrofluorocarbon - Wikipedia
Hydrofluorocarbons (HFCs) are synthetic organic compounds that contain fluorine and hydrogen atoms, and are the most common type of organofluorine compounds. Most are gases at room …
氢氟碳化物 - 百度百科
氢氟碳化物,是有助于避免破坏臭氧层的物质,常用来替代耗臭氧物质,如广泛用于冰箱、空调和绝缘泡沫生产的氯氟烃 (CFCs)。 氢氟碳化物 (HFCs)在导致气候变暖的各种因素中所起的作 …
Hydrofluorocarbon (HFC) | Definition, Characteristics, & Facts
Hydrofluorocarbon (HFC), any of several organic compounds composed of hydrogen, fluorine, and carbon. HFCs became widely used as refrigerants in the late 1980s, but their status as …
Protecting Our Climate by Reducing Use of HFCs | US EPA
2025年3月12日 · EPA publishes a final rulemaking to manage certain HFCs and their substitutes (10/11/2024). EPA announces the selection of five applicants for $14.25 million in grants for …
氢氟烃 - 维基百科,自由的百科全书
氢氟烃 (HFCs) 是一类由氟原子替代烷烃里的一部分氢原子而成。 它们是最常见的有机氟化合物。 在常温常压下,大多数的氢氟烃是气体。 它们可以用来作为 冷冻剂。 1,1,1,2-四氟乙烷 是目 …
Hydrofluorocarbons (HFCs) | Climate & Clean Air Coalition
Hydrofluorocarbons (HFCs) are a group of synthetic gases primarily used for cooling and refrigeration. Many HFCs are very powerful, short-lived climate pollutants with an average …
What Are Hydrofluorocarbons? — EIA
HFCs or hydrofluorocarbons, are super greenhouse gases because with a global warming potential hundreds to thousands of times more potent than CO2. HFCs are also short-lived …
HFCs - 百度百科
氢氟烃(Hydrofluorocarbons,缩写HFCs),虽然其ODP为零,但大气停留时间较长,GWP较高,大量使用会引起全球气候变暖;HFC-134a分子中含有CF3基团,在大气中解离后易与 OH …
Hydrofluorocarbon - an overview | ScienceDirect Topics
Any gas that has infrared (IR) absorption bands can be a GHG. Natural occurring GHGs in the atmosphere are water vapor, CO 2 , methane, nitrous oxide, and ozone. Anthropogenically …
Structure, Properties, Composition and FAQs - Vedantu
HFC gas contains hydrogen (H), Fluorine (F), and Carbon (C). These gases are used extensively in everyday systems. There is no current ban upon these games, due to their composition and …
- 某些结果已被删除