The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料....
The beautiful island of Cyprus is a magical place to get married.美丽的塞浦路斯岛是缔结良缘的美妙之地。The story is a magical mix of fantasy and reality.这个故事是幻想与现实的奇妙结合。Her words had a magical effect on us.她的话对我们有一种魔力般的作用。...
从中提取的松香和鞣酸是化学工业上很需要的.The risin and tannin that can be extracted from it are sought by the chemical industry.从3点钟以后,它们就燃烧着松香.From three o'clock onward they would be burning resin.在实验室内用一 步法 合成了松香改性壬基酚醛树脂.Rosin modifi...
A lot of this has to do with power and greed.凡此种种都和权力与贪欲有关。The rawness of his greed was frank and uninhibited.他的贪婪是赤裸裸的，干脆直接，毫不掩饰。Greed is one of the seven deadly sins .贪婪是七罪宗之一。...