Feature engineering-based optimization of multi-nuclide accident source term inversion - Wendong Yang; Sirui Hu; Yanbo Yang; Zhaojin Luo; Wenbao Jia; Qing Shan; Daqian Hei; Xiaojun Zhang; Chao Shi; Jiandong Zhang; Yongsheng Ling (Annals of Nuclear Energy, 2026)