1. The Jet-Disk Coupling of Seyfert Galaxies from a Complete Hard X-ray Sample. Liu Xiang, Chang Ning, Han Zhenhua, Wang Xin, Universe, 6, 68 (2020) 

2. A model of neutron-star--white-dwarf collision for fast radio bursts, Liu Xiang, Ap&SS, 363, 242 (2018) 

3. Radio and optical intra-day variability observations of five blazars, Liu X., Yang P.P., Liu J., Liu B.R., et al. , MNRAS, 469, 2457-2463 （2017） 

4. VLBA 24 and 43 GHz observations of massive binary black hole candidate PKS 1155+251, Yang X.L., Liu X., Yang J., et al., MNRAS, 471, 1873-1878 （2017） 

5. NGC 5252: a pair of radio-emitting active galactic nuclei?, Yang X.L., Yang J., Paragi S., Liu X., et al., MNRAS, 464, L70-L74 （2017） 

6. Correlation analysis of radio properties and accretion-disk luminosity for low luminosity AGNs, Su R.Z., Liu X., Zhang Z., ApSS, 362, 3 （2017） 

7. Variability and Period Analysis for BL Lac AO 0235+164, Fan J.H., Kurtanidze O., Liu Y., Liu X., et al., ApJ, 837, 45 （2017） 

8. The physical fundamental plane of black hole activity: revisited, Liu X., Han Z.H., Zhang Z., Ap&SS, 361, 9 （2016） 

9. Properties of the Narrow Line Seyfert 1 Galaxies Revisited, Liu X., Yang P.P., Su R.Z., Zhang Z., IJAA, 6, 166 （2016） 

10. The adaptive-loop-gain adaptive-scale CLEAN deconvolution of radio interferometric images, Zhang L., Zhang M., Liu X., Ap&SS, 361, 153 （2016） 

11. Intra-day variability observations and the VLBI structure analysis of quasar S4 0917+624, Liu X., Mi L.G., Liu J., et al., A&A, 578, A34 （2015） 

12. Rapid variability of BL Lac 0925+504: interstellar scintillation induced, Liu J., Liu X., Ap&SS, 357, 165 （2015） 

13. Is radio jet power linearly proportional to the product of central black hole mass and Eddington ratio in AGN?, Liu X., Han Z.H., Ap&SS, 354, 553 （2014） 

14. Two-year monitoring of intra-day variability of quasar 1156+295 at 4.8 GHz, Liu B.R., Liu X., Marchili N., Liu J., et al., A&A, 555, A134 （2013） 

15. Radio observations of the first three-month Fermi-AGN at 4.8 GHz, Liu X., Song H.-G., Liu J., et al., RAA, 12, 147 （2012） 

16. Correlations between the peak flux density and the position angle of inner jet in three blazars, Liu X., Mi L.G., Liu B.R., Li Q.W., Ap&SS, 342, 465（2012） 

17. Intra-day variability observations of S5 0716+714 over 4.5 years at 4.8 GHz, Liu X., Song H.G., Marchili N., et al., A&A, 542, A121（2012） 

18. On the influence of the Sun on the rapid variability of compact extragalactic sources, Marchili N., Krichbaum T.P., Liu X., Song H.G., et al., A&A, 530, A129（2011） 

19. Radio lightcurve of SN2008iz in M82 revealed by Urumqi observations, Marchili N., Marti-Vidal I., Brunthaler A., Krichbaum T.P., Muller P., Liu X., Song H.G., et al., A&A, 509, A34 （2010） 

20. The follow-up European VLBI Network observations of twelve GPS radio sources at 5 GHz, Cui L., Liu X., Liu J., Song H.-G., Ding Z., A&A, 518, A23 （2010） 

21. VLBI observations of nineteen GHz-peaked spectrum radio sources at 1.6 GHz, Liu X., Cui L., Luo W.-F., Shi W.-Z., Song H.-G., A&A, 2007, 470, 97  

22. Seven-frequency VLBI Observations of the GHz-Peaked-Spectrum Source OQ208, Luo W.F., Yang J., Cui L., Liu X., Shen Z.Q., ChJAA, 7, 611（2007）