Effect of ion liquid on the direct synthesis of dimethyl carbonate from carbon dioxide and methanol catalyzed by k2co3 ch3i 催化二氧化碳和甲醇直接合成碳酸二甲酯反应性能的影响
Recent advances in the direct synthesis of dimethyl ether from syngas in three - phase reactors are reviewed with emphasis placed on the cases in china 综述了国内外特别是国内三相床反应器中由合成气直接合成二甲醚的研究和开发新进展。
Recent advances in direct synthesis of trialkoxysilanes from silicon and alcohols were reviewed , including the raw material , solvent , catalysts and reaction conditions 摘要综述了硅与醇直接合成三烷氧基硅烷所用的原料、溶剂、催化剂以及催化反应的工艺条件。
3 . synthesis of dynamic loads . using both direct synthesis and parameters weighted synthesis , validity of tow methods are proved by simulation tests and field tests 采用了直接综合和加权平均综合两种综合方法,利用仿真算例和现场实测数据建模实例证明了方法的有效性。
Such a strategy is based on the direct synthesis of molecularly imprinted polymeric fibers ( monoliths ) using silica capillaries as molds , with silica being etched away after polymerization 这种技术以二氧化硅毛细管为模型直接合成分子印迹聚合纤维(单体) ,聚合完成后除去二氧化硅。