| 单词 | propene |
| 释义 | propene (once / 3939771 pages) n Propene is gas that occurs in nature but is used to make all kinds of unnatural plastic things like packaging and film. As a gas, propene is flammable and extremely volatile. Propene is another word for "propylene." Propene is a gas made by cracking petroleum. It’s a word that hangs out in the chemistry lab. Propene looks and sounds a lot like propane, and it’s very similar except that propene has a lower boiling point so it’s more volatile. As a gas, it’s dangerous for humans to breathe. Earthlings have been familiar with it for a while, but it was also one of the gasses found on Saturn’s moon, Titan, in 2013. WORD FAMILYpropene USAGE EXAMPLESBut improved membranes could tackle harder tasks, such as distinguishing between the very similar hydrocarbons propane and propene. Nature(Aug 16, 2016) Global annual production of ethene and propene exceeds 200 million tonnes, about 30 kilograms for each person on the planet. Nature(Apr 25, 2016) Petrochemical factory LCY Chemical Corp. was using the pipes to get propene for its factories. Forbes(Jul 01, 2015) n a flammable gas obtained by cracking petroleum; used in organic synthesis Syn|Hyper propylene gas a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
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