Nonagricultural emissions and N2O5 hydrolysis drive wintertime inorganic nitrogen aerosol formation in Sichuan Basin: Nitrate and ammonium isotopic evidence - Xiaojuan Huang; Yuhan Long; Yuepeng Pan; Lin Han; Xiaoling Zhang; Junke Zhang; Runqi Zhang; Yingjun Chen; Jianmin Chen (Journal of Hazardous Materials, 2026)