Glutamic acid was extracted and concentrated with liquid membrane. 本文研究了用液膜法提取濃縮谷氨酸。
This paper introduces some engineering examples about double membrane method process treats and reuses wastewater from circulating cooling water. 介紹了采用雙膜法工藝處理回用循環(huán)水排污水的工程實(shí)例。
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