汽油

The determination method of gasoline rating units is the only reliable method to measuring octane number of gasoline.

汽油辛烷值发动机引法法测定法是目前唯一可靠的辛烷值测定法。

Besides, the stable high octane number gasoline fraction can be obtained from the thermal-catalytic cracking of PS.

研究还表明，PS通过热解-催化可得到比较稳定的高辛烷值汽油组份。

Relations of good catalyst performances,product slate,octane number of gasoline and catalyst/oil ratio were discussed.

介绍了渣油裂化催化剂的性能要点，讨论了渣油裂化催化剂性能的发挥、产品分布、汽油辛烷值等与剂油比的关系。

The aim of this work is to obtain styrene monomer and high octane number gasoline fraction from polystyrene by thermal and thermal-catalytic treatment respectively.

本文的目的是用热解和热解-催化两种方法由聚苯乙烯制取苯乙烯单体和汽油组份。

The burning speed of LPG is also lower than that of gasoline Otherwise, the original engine is designed for gasoline. It can't take advantage of the characteristics of LPG, such as high octane number and so on.

另外，原发动机是按照汽油的燃烧特性设计的，其参数不能充分发挥液化石油气的特点，如高辛烷值等。

Contemporary, ethanol's effect to gasoline's range of boiling, octane number and the like properties were studied.

同时研究了加入乙醇对汽油馏程、辛烷值等性质的影响。

Benzene is also widely used as solvents, the oil industry in the training is to improve the octane number of gasoline blending agent.

苯也广泛用作溶剂，在练油工业中是提高汽油辛烷值的掺和剂。

Aim To synthesize new type of octane number improver for gasoline , methoxyisobutyrate.

目的合成一种新型汽油辛烷值改进剂─甲氧基异丁酸烷基酯。

As the developing trends of new gasoline standard to no - lead, low aromatics, low vapor pressure, high octane number and high oxygen content.

随着人们对环境保护意识的增强，汽油质量将向无铅、低芳烃、低蒸汽压、高辛烷值和高氧含量发展。

Hydroisomerization reactions of n-paraffins with double-function catalysts have been developed as one of the most important clean method to improve the octane number of the gasoline.

将正构烷烃在氢溢流条件下使用双功能催化剂催化为异构反烷烃是提高汽油辛烷值的最重要的绿色方法。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。