The preparation technology of RO membrane has been studied.
对反渗透膜制备工艺进行了研究。
Objective:The best technology of the preparation of salvianolic acid B was established.
前言： 目的：建立高纯度丹酚酸B的最佳制备工艺流程。
Now this technology in traditional Chinese medicine preparation of volatile oil situation to be reviewed.
现就此项技术在中药挥发油制剂中的应用研究予以综述。
The invention belongs to the fields of surface technology and material preparation.
该发明属于表面技术、材料制备领域。
Technology design of coal preparation plant.
选煤厂工艺设计。
Technology design of coal preparation plant.
选煤厂工艺设计。
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