单词 | ethene |
释义 | ethene (once / 2954828 pages) n WORD FAMILY ethene USAGE EXAMPLESGlobal annual production of ethene and propene exceeds 200 million tonnes, about 30 kilograms for each person on the planet. Nature(Apr 25, 2016) You end up with ethene, which is also known as ethylene. Forbes(Mar 13, 2015) The US chemical industry has also benefited from cheaper feedstocks, such as ethene, giving it a competitive edge over other regions. Scientific American(Aug 19, 2014) n a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic Syn|Hypo|Hyper ethylene TCE, trichloroethane, trichloroethylene a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage alkene, olefin, olefine any unsaturated aliphatic hydrocarbon gasa fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
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