单词	propylene
释义	propylene noun pro·​pyl·​ene ˈprō-pə-ˌlēn  : a flammable gaseous hydrocarbon C3H6 obtained by cracking petroleum hydrocarbons and used chiefly in organic synthesis Example Sentences Recent Examples on the Web The database will shed light on 68% of CO2 emissions for ethylene, propylene, styrene and more, helping overcome the reporting challenges facing the chemical sector. Jeremy Pafford, Forbes, 30 June 2022 Another similar incident took place in the facility later that year in August when a propylene recovery unit caught fire, leading to a drop in production, according to Reuters. Siladitya Ray, Forbes, 23 Dec. 2021 Factories in China that turn propane into propylene—first stop on its way to becoming takeout containers—were too complex to shut down. Ryan Dezember, WSJ, 25 Oct. 2021 The shortage began when February’s winter storm shut down all five U.S. plants – four in Texas and one in Louisiana – that produce the main chemical, called propylene oxide, needed to make foam. Paul Davidson, USA TODAY, 19 July 2021 The scrapers are made from durable propylene that will remain useful for life. Chris Hachey, BGR, 10 June 2021 Production capacity for ethylene and propylene is projected to increase by 33 to 36 percent, according to an estimate by the Center for International Environmental Law. Laura Parker, National Geographic, 6 Oct. 2020 It was most recently used to produce gasoline, diesel fuel, distillates, petroleum coke, propane, heavy fuel oil and refinery-grade propylene. J.d. Morris, SFChronicle.com, 1 Aug. 2020 Glycidol is an irritant that's a potential carcinogen, as is propylene oxide. Samantha Cole, Popular Science, 27 July 2016 See More Word History First Known Use 1850, in the meaning defined above Phrases Containing propylene propylene glycol propylene glycol Medical Definition propylene noun pro·​pyl·​ene ˈprō-pə-ˌlēn  : a flammable gaseous hydrocarbon C3H6 obtained by cracking petroleum hydrocarbons and used chiefly in organic synthesis called also propene
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