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1·Diisopropyl ether (DIPE) is a new kind of oxygenated anti knock additive for gasoline.

二异丙基醚是一种新的汽油含氧化合物抗爆添加剂。

2·The results show that it is inefficient to use diisopropyl ether as extractant to extract hydroquinone from water isothermally.

结论是：等温下用二异丙基醚萃取水中对苯二酚并不很有效。