在工业过程中, 常用精馏作用把液体混合物分离为纯组分.In industrial processes, liquid mixtures are often separated into their pure components by distillation.讨论用于甲醇生产主精馏塔改进工艺条件下的智能控制方法.An intelligent control method for operation of methanol refini...
The white church peeps out genially from behind the huts scattered on the river bank.一座白色教堂从散布在岸上的那些小木房后面殷勤地探出头来." Well , It'seems strange to see you way up here,'said Mr. Kenny genially.“ 咳, 真没想到会在这么远的地方见到你, "...
实践上, 种子不需要干藏而是采种后即层积.In practice, seeds should not be stored dry but stratified on removal from the fruit.我爬上三层积满灰尘的楼梯, 禁不住凄然泪下,又加衣衫单薄冷得直打哆嗦.I went up three dusty flights of stairs and I cried, shivering in my thin coat....