Research Paper

• Stochastic Particle Acceleration in Blazar Jets

  Jian-Cheng Wang

  

  1-7

• Properties of BL Lac Objects with Redshift ≤ 0.2

  Ben-Zhong Dai, Guang-Zhong Xie, Ze-Jun Jiang

  

  8-16

• Abundance Gradient from Open Clusters and Implications for the Galactic Disk Evolution

  Jin-Liang Hou, Rui-Xiang Chang, Li Chen

  

  17-32

• A Study of the Energy Sources of Herbig-Haro Objects

  Jing-Wen Wu, Yue-Fang Wu, Jun-Zhi Wang, Kai Cai

  

  33-42

• Photometry of δ Sct and Related Stars: Results of AD Ari, IP Vir and YZ Boo

  Ai-Ying Zhou

  

  43-50

• A Possible Pumping Mechanism for Interstellar Class II 107 GHz Methanol Masers

  Han-Ping Liu, Jin Sun

  

  51-58

• Photometric Observations of the δ Scuti Star UV Trianguli and Its Evolutionary Status

  Zong-Li Liu, Ai-Ying Zhou, E. Rodriguez

  

  59-65

• Can Asymmetry of Solar Activity be Extended into Extended Cycle?

  Ke-Jun Li, Jing-Xiu Wang, Hong-Fei Liang, Xiao-Ma Gu

  

  66-70

• Key Properties of Solar Chromospheric Line Formation Process

  Zhong-Quan Qu, Zhi Xu

  

  71-80

• Solar Flare Activity and Variability of Electric Current Helicity

  Kim Jik Su, Hong-Qi Zhang, Kim Jin Song, Kim Kum Sok, Xing-Ming Bao

  

  81-91

• Spectral Analysis of the Flare of 1998 November 11 based on the Multi-cloud Model

  Xiao-Ma Gu, Ming-De Ding

  

  92-102