5.Authors studied the silver in galena by means of electron paramagnetic resonance (EPR) for the first time.The results show that there is a fine structure line of the Gauss type in spectrum.

• 电子顺磁共振(EPR)谱是研究掺过渡和稀土金属离子晶体及络合物的微观结构、光学和磁学性质等的有力工具。