Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated.

研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应.

SPE ( solide phase extraction ) has been applied broadly in analyzing fishery drugs residue for several years.

摘要近些年来,固相萃取技术在渔药残留分析中获得了广泛的应用.

This work provided solide academical and experimental basis for preparing multi - layer GI POF performing rod.

这为多层梯度型聚合物光纤预制棒的制备打下了坚实的实验和理论基础.

OBJECTIVE Adopting preparation technology improves the extraneous dissolving rate of Acetazolamide solide dispersion tablets.

目的采用制剂技术提高乙酰唑胺固体分散片的体外溶出速率.