The electro-reverse extraction of the oil phase of different extraction section was carried out by a packed bed electrodialysis, so that various metal ions are ret.

电反萃技术是把离子交换、萃取、膜分离过程结合在一起的一种新的分离方法。

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Symmetry plane extraction is very important to the geometric model reconstruction of an object in reverse engineering.

在反求工程中，对称面提取对于点云的几何模型重建具有重要意义。

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The extraction of amino acids by ion-exchange, liquid membrane and reverse micelle and their applications in the separation of hair-hydrolyzed amino acids are summarized.

总结了氨基酸制备中的三大萃取技术：离子交换反应萃取，液膜分离萃取和反相胶团萃取及其在毛发水解氨基酸萃取分离方面的应用。

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For the past decade production in the North Sea has been dwindling but a new boom in gas extraction off the east coast may soon reverse that downward slide.

BBC: Offshore workers still get tea and cake at three