Cellulose Nanofibril-Stabilized Porous CaCO3 Synergistic System for Simultaneous Deacidification and Reinforcement of Aging Paper Archives纤维素纳米原纤稳定的多孔碳酸钙协同系统用于同时脱酸和增强老化纸质档案LangmuirIF3.92026-06-110PRE