The octane number of gasoline and cetane number of diesel was slightly affected.

汽油辛烷值和柴油十六烷值变化不大，柴油实际胶质降低。

The influence of cetane number on the ignition and combustion of diesel fuel ind. i. diesel engine is briefly reviewed.

本文论述了柴油十六烷值对直喷式柴油机着火和燃烧特性的影响；

It is a supplementary tool for predicting cetane number with considerable accuracy when used with due regard for its limitations.

这是一个具有很大准确性的预测十六烷值的辅助工具，但应适当注意到其局限性。

The significance, properties and characteristics, action mechanism and classification of cetane number improver are introduced systematically in this paper.

就柴油十六烷值改进剂的种类、作用机理及其研制的重要意义做了综述，介绍了部分十六烷值改进剂的性能特点。

According to the development tendency of diesel product quality, diesel oils will focus on lower sulfur and aromatic contents along with higher cetane number.

从柴油产品质量的发展趋势看，柴油油品向着低硫、低芳烃、窄馏分、高十六烷值的方向发展已成为必然。