初馏点
- 网络Initial Boiling Point;IBP
初馏点-
用精制后的轻馏分（初馏点～80℃）作为醚化原料，催化剂寿命明显提高。
The light distillate ( IBP ~ 80 ℃) of refining gasoline is used as etherification material , the lifetime of catalyst is improved obviously .
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蓬莱原油初馏点～350℃馏分中石油羧酸的结构组成
Structure and composition of carboxylic acids in < 350 ?℃ fraction of Penglai crude oi
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考察了方法的准确度和精密度，并成功测定了一组汽油窄馏分（初馏点-200℃）的氢/碳原子比（2.368～1.941）。
A series of H / C ratio for gasoline narrow distillation cut was determined .
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精制油切取初馏点～80℃的馏分作为醚化原料，用乙醇醚化。
The refining gasoline ( HK - 80 ℃) is etherified with ethanol as material .