School of Chemistry and Chemical Engineering;
Anshun University;
Anshun;
China;
Special and Key Laboratory of Functional Materials and Resource Chemistry of Guizhou Provincial Education Department;
Anshun University;
Anshun;
China;
School of Chemistry and Chemical Engineering;
Guizhou University;
Guiyang;
China;
School of Science;
Guizhou University;
Guiyang;
China;
Acid; Value; Pre-Esterification; Euphorbia; lathyris; L.; Oil; Biodiesel;