REFERENCES
- Chen , S. , Li , S. , Dai , Q. and Xu , X. 2009 . Study on the process conditions for producing lube base oil from vacuum fractions . Petrol. Ref. Eng. (China) , 39 : 11 – 14 .
- Dai , Q. , Chen , S. and Li , S. 2009 . Study on optimizing the technological condition for No. 3 line vacuum fraction oil to produce lube base oil . Guangdong Chem. , 36 : 43 – 45 .
- Li , S. , Chen , S. , Dai , Q. , Zhao , L. and Chen , Y. 2009 . Study on the solvent refining technique to produce HVl lubricating base oil . Lubricat. Oil , 24 : 12 – 17 .
- Li , S.-P. , Shen , B.-X. , Tang , F. , Zhang , B.-L. , Yang , J.-Y. and Xu , X.-R. 2008 . A study of the characteristics in blended crudes at the optimal activation state: Part I . Pet. Sci. Tech. , 26 : 1499 – 1509 .
- Zhang , Z. , Weng , H. , Zhang , M. , Xu , H. and Yu , Q. 2002 . Studies the relation between the structure characteristics of base oils and its properties (I): The effect of saturate structures on its properties . Lubricat. Eng. (China) , 6 : 35 – 40 .