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单词 hydrofluorocarbon
释义

hydrofluorocarbon

noun

hy·​dro·​fluo·​ro·​car·​bon ˌhī-drō-ˌflȯr-ō-ˈkär-bən How to pronounce hydrofluorocarbon (audio)
-ˌflu̇r-
: any of several simple gaseous compounds that contain carbon, fluorine, and hydrogen

Example Sentences

Recent Examples on the Web Increasingly, this is a rare event in environmental policy: exceptions include the recent hydrofluorocarbon legislation (which ratified the Kigali amendment to the Montreal Protocol) and the Great American Outdoors Act. Nives Dolsak And Aseem Prakash, Forbes, 4 July 2022 The rule also requires chemical plants to stop emitting all but trace amounts of the most potent hydrofluorocarbon, HFC-23, a greenhouse gas 14,600 times more powerful than carbon dioxide in warming the atmosphere, by October 2022. Phil Mckenna And James Bruggers, The Courier-Journal, 4 Oct. 2021 Joseph Goffman, a top official with EPA's air and radiation office, said the experience of the European Union shows that enforcement is an important part of an hydrofluorocarbon crackdown. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 24 Sep. 2021 Desflurane is a hydrofluorocarbon gas that induces anesthesia by being inhaled by patient — once it is exhaled it is vented directly to the atmosphere. Matthew J. Meyer, STAT, 11 Aug. 2021 In addition to making air conditioners more efficient, there’s an urgent need to replace the hydrofluorocarbon (HFC) refrigerants that most air conditioners still use, despite global efforts to phase out the chemicals. Emily Underwood, Scientific American, 23 June 2021 Like other nations, the U.S. goal includes methane and hydrofluorocarbon gases that trap more heat but don’t last as long as carbon dioxide. Seth Borenstein, ajc, 23 Apr. 2021 Other longer-term goals remain in progress, though, such as putting forward a plan to conserve 30% of American lands and waters by 2030 and making progress on curbing hydrofluorocarbon greenhouse gases. Ben Gittleson, ABC News, 26 Apr. 2021 Like other nations, the U.S. goal includes methane and some hydrofluorocarbon gases that trap more heat but don’t last as long. Matthew Daly, ajc, 20 Apr. 2021 See More

Word History

First Known Use

1948, in the meaning defined above

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更新时间:2024/9/21 5:43:19