A study on the characteristics of diatoms and ecological environment pollution in the main water of Tianjin, ChinaSugur Enh, Jing Fang, Pengyi Ma, Bo Liu, Heng Zhang, Dexuan Lan, Ziyao Yang, Ping Cuo Dolka and Zhifei WangE3S Web Conf., 290 (2021) 03014DOI: https://doi.org/10.1051/e3sconf/202129003014