Rapidly Measuring Charge Carrier Mobility of Organic Semiconductor Films Upon a Point-Contact Four-Probes Method

by Dongfan Li, Shengtao Li, Wanlong Lu, Shi Feng, Peng Wei, Yupeng Hu, Xudong Wang, Guanghao Lu
Published 2019-01-01

Spatiotemporal evolution of groundwater nitrate nitrogen levels and potential human health risks in the Songnen Plain, Northeast China

by Dongfan Li, Yuanzheng Zhai, Yan Lei, Jie Li, Yanguo Teng, Hong Lu, Xuelian Xia, Weifeng Yue, Jie Yang
Published 2021-01-01