Adjustable Sound Absorber of Multiple Parallel-Connection Helmholtz Resonators with Tunable Apertures Prepared by Low-Force Stereolithography of Photopolymer Resin. - Yang, Fei; Bi, Shaohua; Shen, Xinmin; Li, Zhizhong; Zhang, Xiangpo; Wang, Enshuai; Yang, Xiaocui; Peng, Wenqiang; Huang, Changchuang; Liang, Peng; Sun, Guoxin (Polymers (20734360), 2022)