PONA number
英
美
【化】波纳值
双语例句
- The hydrocarbon type composition of the narrow fraction and FCC gasoline were analysed by high resolution gas chromatography and the distribution rule of the PONA and the octane number of every narrow cut were obtained.
采用高分辩率气相色谱将各窄馏分及全馏分试样做单体烃组成分析，按馏分归纳出PONA族组成及辛烷值的分布规律。