Application of Different Methods to Determine Urease Activity in Enzyme Engineering Experiment and ProductionFenghong Liu, Xianhao Cheng, Jing Miu, Xinjun Li, Runyang Yin, Jiahui Wang and Yanping QuE3S Web Conf., 251 (2021) 02057DOI: https://doi.org/10.1051/e3sconf/202125102057