Letter

• A New Method of Identifying 3D Null Points in Solar Vector Magnetic Fields

  Hui Zhao, Jing-Xiu Wang, Jun Zhang, Chi-Jie Xiao

  

  443-447

Research Papers

• Radio Identifications of Markarian Galaxies and the Correlation between Radio and Far-Infrared Properties

  Shao-Guang Luo, Xue-Bing Wu

  

  448-456

• Separation of Different Contributions to the Total X-ray Luminosity in Gamma-ray Loud Blazars

  Jun-Hui Fan, Gustavo E. Romero, Yong-Xiang Wang, Jiang-Shui Zhang

  

  457-462

• Estimates of AGN Black Hole Mass and Minimum Variability Timescale

  Guang-Zhong Xie, Luo-En Chen, Huai-Zhen Li, Li-Sheng Mao, Hong Dai, Zhao-Hua Xie, Li Ma, Shu-Bai Zhou

  

  463-470

• Statistical Properties of a Blazar Sample and Comparison of HBLs, LBLs and FSRQs

  Li-Sheng Mao, Guang-Zhong Xie, Jin-Ming Bai,, Hong-Tao Liu

  

  471-486

• Fallback Disk-Involved Spin-Down of Young Radio Pulsars

  Zi-Bo Jiang, Xiang-Dong Li

  

  487-494

• Autoregressive Spectral Estimation for Quasi-Periodic Oscillations

  Li Chen, Ti-Pei Li

  

  495-507

• Observational Characteristics of Radio Emission Related to Multi-polar Magnetic Configuration

  Min Wang, Rui-Xiang Xie, Chun Xu, Shuo-Biao Shi, Yi-Hua Yan

  

  508-518

• Multi-wavelength Diagnostics of Bombardment by Non-thermal Particles in Solar Flares

  Zhi Xu, Cheng Fang,, Wei-Qun Gan

  

  519-530

• Polar Coronal Holes During Solar Cycles 22 and 23

  Jun Zhang, J. Woch, S. Solanki

  

  531-538

• Estimating the Size and Timing of the Maximum Amplitude of Solar Cycle 24

  Ke-Jun Li, Peng-Xin Gao, Tong-Wei Su

  

  539-545

• A Study on the Paul-Baker System as an Instrument for Multi-object Spectrum Observation

  Xiang-Yan Yuan, Ding-Qiang Su, Xiang-Qun Cui, Gen-Rong Liu

  

  546-556

• The OH Maser Line Receiving System for the Urumqi 25m Radio Telescope

  Hong-Bo Zhang, Jarken Esimbek, Jian-Jun Zhou, Xing-Wu Zhen, Xi-Zhen Zhang, Wen-Jie Yang

  

  557-562