汽油辛烷值的测定是以异辛烷和正庚烷为标准燃料，按标准条件，在实验室标准单缸汽油机上用对比法进行的。
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。
Study on Portable Instrument in Measuring Octane Value of Gasoline Based on Method of Dielectric Coefficient;
实践证明，该辛烷值测定系统能够准确检测调和过程中汽油辛烷值，并实时显示调和过程中汽油拉曼谱图。
The results showed that the system detected the octane number of gasoline accurately, and displayed the Raman spectra obtained by the detector.
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