PeerJ Author 0 Points Shuwei Gao PeerJ Author Summary PeerJ Contributions Articles 1 July 24, 2023 Effects of hydraulic retention time and influent nitrate concentration on solid-phase denitrification system using wheat husk as carbon source Shuhui Niu, Shuwei Gao, Kai Zhang, Zhifei Li, Guangjun Wang, Hongyan Li, Yun Xia, Jingjing Tian, Ermeng Yu, Jun Xie, Minting Zhang, Wangbao Gong https://doi.org/10.7717/peerj.15756 PubMed 37520256