为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Recent physics results at Beijing Electron-Positron Collider (BEPC) are reviewed, especially on excited baryons. Substan......

The present status of the Bonn-Gatchina partial wave analysis of the photoproduction and pion induced data is presented.......