英语语法分析

Hydrodesulphurization technology could effectively decrease sulfur content in gasoline and octane number loss.

脱硫技术能够有效降低汽油硫含量，减少辛烷值损失。

This paper reviewed the advances of olefins degradation and hydrodesulphurization technologies for FCC gasoline at home and abroad.

综述了国内外催化裂化汽油降烯烃及加氢脱硫技术进展。

The said catalyst can be used for hydrotreating process of fraction of petroleum, especially for hydrodesulphurization and hydrodenitrification process of middle distillate oil .

该催化剂可以广泛的用于石油馏分的加氢处理过程，特别适合于中间馏分油的加氢脱硫、加氢脱氮和加氢脱芳过程。