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本文采用电子顺磁共振波谱方法测定了四种柴油样品的自由基相对强度,同时用ASTMD613-79方法测定了这四种柴油的十六烷值,两者比较的结果发现,十六烷值高的样品,其所对应的自由基相对强度也较大。
In this paper, electron paramagnetic resonance spectroscopy was used to determine the free radical relative intensities of four kinds of diesel samples. The cetane numbers of these four kinds of diesel were measured by ASTMD613-79. The results showed that the cetane number Of the sample, which corresponds to the relative intensity of free radicals larger.