英德
有道
百度
谷歌
图片
维基
百科
萃取化学 [cuì qǔ huà xué]
[化学] extraction chemistry
- 本文主要综述环烷酸用作稀土元素萃取剂的萃取化学研究进展。
In this paper, some advances in study on rare earth extraction chemistry are reviewed since the naphthenic acid has been used in extracting rare earth to 1990s. - 综述了超临界流体技术在萃取、化学反应、材料制备等方面的研究进展及超临界流体技术的应用。
This review summarized the use of supercritical fluid (SCF) for extraction, chemical reaction and material preparation. - 采用气相色谱／质谱联用技术测定了义马煤CS2萃取物的化学组成，对其化学成分及化合物分布特徵进行了研究。
The CS2 soluble fraction of Yima coal was analyzed with GCIMS, the chemical components and the compounds distribution characteristic in the extracts were studied, too.
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