petroleum ether phase 石油醚组分
crown ether stationary phase 冠醚固定相
Octadecyl ether-bonded stationary phase 醚型键合固定相
alkyl ether bonded phase 烷基醚型键合固定相
Azacrown ether bonded phase 氮杂冠醚键合固定相
Alkyl ether-bonded phase packing 烷基醚型键合相
With water, alcohol, ether phase immiscibility.
能与水、醇、醚相混溶。
Global kinetics of methanol dehydration to dimethyl ether by gas phase method were studied under atmospheric pressure and power type kinetic equation was obtained.
研究了常压下甲醇气相法脱水生成二甲醚的宏观动力学,得到幂函数型动力学方程。
Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.
用国产NKC-29型强酸性阳离子交换树脂为催化剂,在常压液相条件下用乙醇和叔戊醇为原料合成了乙基叔戊基醚。
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