The feasibility of discontinuous operation to pipelization continuous operation in ammoniation in medical industry was discussed.讨论了药业生产中将氨化反应由间歇操作改为管道化连续操作的可行性....
滩头鱼是唯一生活在海里的鲤科鱼.The tribolodon brandti is the only kind of carp that lives in the sea.一年后, 公傻瓜鲤科小鱼生产蛋和主要停止了再生产.A year later, the male fathead minnows were producing eggs and had largely stopped reproducing.鲤科小鱼或其它小的淡水或咸水...