| 异戊二烯 | yì wù èr xī | isoprene | |
| 氯乙烯 | lǜ yǐ xī | vinyl chloride C2H3Cl; chloroethylene | |
| 丁二烯 | dīng èr xī | butadiene C4H6; biethylene | |
| 丁烯 | dīng xī | butene or butylene C4H8 | |
| 烯烃 | xī tīng | olefine; alkene (chemistry) |
| 1 | What is squalene? | |
| 2 | Is there squalene in vaccines? | |
| 3 | Why do some people think squalene in vaccines carries a risk? | |
| 4 | However, unlike the semiconductor silicon, graphene has no gap between its valence and conduction bands. | |
| 5 | Indeed, graphene might even replace silicon as the electronic material of choice in the future. |