主持/参与科研项目11项，其中主持国家级项目1项，省级项目1项，厅局级项目2项

1. 2026.01-2028.12，52500121，国家自然科学基金青年项目，主持

2. 2024.01-2025.12，2024JC-YBQN-0251，陕西省自然科学基础研究计划项目，主持

3. 2023.01-2024.12，23JK0511，陕西省教育厅专项科研计划项目，主持

4. 2023.09-2025.09，2023BSHEDZZ264，陕西省博士后科研项目资助，主持

5. 2026.01-2029.12，52570213，国家自然科学基金面上项目，参与

6. 2025.01-2027.12，2025JC-JCQN-019，陕西省杰出青年科学基金项目，参与

在环境微生物领域期刊发表论文28篇，其中以第一/通讯作者发表论文10余篇，近五年代表作如下：

1. Pei, T.T.,Liu, X., Xu, G.J., Xin, T., Wu, G. L., Ma, B., Liu, X.Y.*, Zhang, H.H*.Hydraulic regimes-driven microbial community assembly and network stability indrinking water distribution systems: Mechanistic linkages with transportdistance and stagnation effects. Journal of Hazardous Materials, 2025, 498,139825. (一区，IF: 11.3)

2. Liu, X.Y., Xu, G.J., Pei, T.T., et al.Microplastic diversity stimulates N2O emission during NO3--Ntransformation by altering microbial interaction and electron consumption ineutrophic water. Journal of Hazardous Materials, 2025, 489, 137594. (一区，IF: 11.3)

3. Liu, X.Y., Pei, T.T., Xu, G.J., et al.Suspended sediment (SPS) triggers nitrogen retention by altering microbialnetwork stability and electron transport behavior during the aerobic-anoxictransition. Journal of Environmental Management, 2025, 373, 123787 (二区， IF: 8.4)

4. Liu, X., Zhang, H.H.*, Pei, T.T., Huang,T.L., Ma, B., Wang, T. W., Liu, X.Y.*, Ma, W. P. Algal organic mattertriggers re-assembly of bacterial community in plumbing system. Journal ofHazardous Materials, 2025, 483, 136713. (一区，IF: 11.3)

5. Liu, X.Y., Sun, R., Hu S.H., et al., 2022.Aromatic compounds releases aroused by sediment resuspension alter nitratetransformation rates and pathways during aerobic-anoxic transition. Journal ofHazardous Materials, 424, 127365. (一区，IF: 11.3)

6. Liu, X.Y., Hu, S.H., Sun, R., et al., 2021.Dissolved oxygen disturbs nitrate transformation by modifying microbialcommunity, co-occurrence networks, and functional genes during aerobic-anoxictransition. Science of the Total Environment., 790, 148245. (一区， IF: 7.963)

7.Liu,X.Y.,Wu, Y.G., Sun, R., et al., 2020. NH4+-N/NO3−-Nratio controlling nitrogen transformation accompanied with NO2−-Naccumulation in the oxic-anoxic transition zone. Environmental Research, 189,109962. (二区，IF: 6.498)