1. Research on environmental monitoring technology and equipment;

2. Study on dioxin formation mechanism and emission control technology from Non-Wood Pulp Bleaching;

3. Research on on-line monitoring technology for dioxins in flue gas.

2011/11-present: Dalian Institute of Chemical Physics, CAS, Professor

2003/10-2011/10: Dalian Institute of Chemical Physics, CAS, Associate Professor

2000/8-2003/10: Dalian Institute of Chemical Physics, CAS, Assistant Professor

1997/09-2000/07: Institute of Applied Ecology, CAS, Ph.D, Edaphology

1986/09-1990/07: Shenyang Agricultural University, B.S., Forestry

1. Tang, Fengmei; Ni, Yuwen; Zhang, Haijun; Li, Yun; Jin, Jing; Wang,Longxing; Chen, Jiping; A new cleanup method of dioxins in sediment using large volume injection gas chromatography online coupled with liquid chromatography , Analytica Chimica Acta, 2012, 729: 73-79.

2. Ni, Yuwen; Zhang, Haijun; Fan, Su; Zhang, Xueping; Zhang, Qing; Chen,Jiping; Emissions of PCDD/Fs from municipal solid waste incinerators in China, Chemosphere, 2009, 75(9): 1153-1158.

3. Xueli Wang; Haijun Zhang; Yuwen Ni; Qinqin Du; Xueping Zhang; Jiping Chen; Kinetics of PCDD/Fs Formation from Non-Wood Pulp Bleaching with Chlorine,Environ. Sci. Technol., 2014, 48(3): 4361-4367.

4. Xia, KX; Cao, R; Gao, Y; Li, Y; Ni, YW; Wang, SQ; Geng, NB; Song, BY; Ren, Y; Zhang, YC; Chen, JP; Zhang, HJ；Mass balance and elimination mechanism of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) during the kraft pulping process. JOURNAL OF HAZARDOUS MATERIALS 2020, 389:122819

5. Xia, KX; Ni, YW; Zhan, FQ; Song, BY; Ren, Y; Sunn, YZ; Gao, Y; Cao, R; Zhang, YC; Chen, JP; Mechanistic aspects of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) formation from chlorine bleaching of non-wood pulp. JOURNAL OF HAZARDOUS MATERIALS 2020, 386: 121652