TY - Chinese Journal of Chemical Engineering A1 - Shixin Gong, Cheng Shao, Li Zhu T1 - Energy efficiency evaluation based on DEA integrated factor analysis in ethylene production Y1 - 2017-08-02 16:47:37.41 JF - Chinese Journal of Chemical Engineering JO - Chinese Journal of Chemical Engineering SP - 793 EP - 799 VL - 25 IS - 6 UR - {https://cjche.cip.com.cn/EN/10.1016/j.cjche.2016.10.023} N1 - 10.1016/j.cjche.2016.10.023 ER -