释义 |
Dou-Sol extraction 基本例句 双溶剂萃取; 精制 Itis recommended that the raffinate from fur fural extraction of coker gas oil will be a good FCC feedstock.认为焦化蜡油糠醛精制抽余油是一种优质的催化裂化原料。 Extraction and purification of natural surfactant lecithin were summarized, and new research progress of some processes was briefly introduced.简要综述了天然表面活性剂磷脂的提取与精制工艺,并介绍了有关工艺的新进展。 |