The distillation range of aromatic materials was determined by Raman spectroscopic method.
应用拉曼光谱法测定了芳烃物料的馏程。
In order to study the evaporation of ethanol-gasoline, experimental investigation had been carried out on distillation range and saturated steam pressure with different ethanol content.
考察了乙醇体积分数对乙醇汽油馏程及饱和蒸汽压的影响,对乙醇汽油的蒸发性进行了研究。
The extremely pure ester oil or extremely narrow distillation range of base oil, synthetic hydrocarbon oil to the same height as flash point, using more safe.
采用极其纯凈的酯类油或馏程极窄的合成烃为基础油,赋予成品油等高的闪点,使用更安全。
The distillation range is a kind of chief quality index for petroleum products. Measurement of distillation range has very important meaning in process of refinery and employ for petroleum products.
馏程是石油产品一种重要的质量指标,它的测量在石油产品的炼制和使用过程中都具有十分重要的意义。
The feed should not be all distillation range diesel but part of it which is heavier, deciding the freezing point of diesel.
临氢降凝原料,不应是全馏程柴油,而应是柴油中馏程较重、决定凝点的组分;
The standard method with atmospheric pressure correction for distillation test of coking benzene products is studied. The distillation range of coking benzene products is defined.