南極座的英語怎么說
2012-07-03 11:26
南極座的英文:
Octans
n. 南極星座
- Of or relating to highly volatile high - octane gasoline.
高揮發(fā)性的,高揮發(fā)性汽油的 - Adamantane and bicyclo (222) octane are predominantly Chlorinated at the bridgeheads by this procedure
金剛烷和二環(huán)〔222〕辛烷主要是按照這個程序在橋頭氯化。 - A process in which naphthas are converted to high - octane aromatics in the presence of hydrogen and a catalyst under pressure and heat.
臨氫重整在高溫高壓下,在氫和催化劑的作用下石油精轉(zhuǎn)化為高辛烷值的芳烴的過程