One continuouscounter flow extraction machine with fold flow and long slot flange tightening component were introduced in this article.
主要介绍一种易清洗操作的折流式连续逆流提取机和长槽法兰紧固件。
2
A new model for describing mass transfer performance in the supercritical fluid ext raction columns by continuouscounter current flow was derived.
建立了描述连续逆流超临界流体萃取塔传质性能的数学模型。
3
The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.