The methyl- esterification reaction of low -methoxyl pectin with methylalcohol by the presence of some catalysts was observed .
研究了在催化剂存在下低酯化度果胶与甲醇进行的甲酯化反应。
2
The select(?)ve synthesis of dimethylamine from ammonia and methylalcohol using the cation modified mordenite as catalysts on atmospheric pressure fixed bed have been studied.
研究了以阳离子改性的丝光沸石为催化剂，以氨和甲醇为原料，在常压固定床上二甲胺选择性合成反应。
3
The selective catalytic synthesis of dimethylamine from ammonia and methylalcohol over cerium modified mordenite under ambient pressure in a fixed bed reactor has been studied.