Enhanced Denitrification of Integrated Sewage Treatment System by Supplementing Denitrifying Carbon Source

by Dongkai Chen, Peizhen Chen, Xiangqun Zheng, Weimin Cheng, Qiang Wang, Xiaocheng Wei
Published 2021-09-01

Association of serum 25-Hydroxyvitamin D with Vitamin D intervention and outdoor activity among children in North China: an observational study

by Xuguang Zhang, Yanping Chen, Shanshan Jin, Xinxin Bi, Dongkai Chen, Dongmei Zhang, Li Liu, Hong Jing, Lixin Na
Published 2020-12-01