Through the theoretical analysis and test, some satisfactory additives with high octane value to light oil were studied, and alternative fuels based on light oil were developed.

通过理论分析和试验研究，探索出多种比较理想的轻油高辛烷值调合剂，开发了多种以轻油为基础油的火花点火发动机代用燃料。

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Standard test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography.

用气相色谱对低烯烃火花点火引擎燃料芳香碳氢化合物类型，环烃，烯烃，石蜡和氧化物的标准试验方法。

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Two primary standard reference fuels, normal heptane and iso-octane arbitrarily assigned 0 and 100 octane number, respectively, are then blended to produce the same knock intensity as the test sample.

两种基准参考燃料正庚烷和异辛烷分别被定义成辛烷值为0和辛烷值为100，将它们混合产生与实验样本相等敲缸强度的爆震。

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For this combined population of 45 m people, they sought to test the benefits of "existing, readily acquirable technologies that would reduce greenhouse gas emissions from fossil fuels".

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And earlier this month, Airbus, in association with Shell, Rolls Royce and Qatar Airways, began a research project to test 'Gas to Liquid' (GTL) technologies that convert lower-emission natural gas and other synthetic fuels into liquid kerosene.

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