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。
The property data of crude oil and its fraction is the basic data in design of petroleum refining technology. In the past these data were obtained by hand calculation or consulting tables and charts.
石油及其馏分的物性数据是石油炼制工艺设计的基础数据，以往常常采用手工计算或查阅有关图表获得。
Petroleum acid in the fraction oil is the main reason that the fraction oil processing equipment to corrode, fraction oil product operational perform(?) nce unqualified.
馏分油中的石油酸是造成馏分油加工设备腐蚀，馏分油产品使用性能不合格的主要原因。
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