Dai Yuan, Dong Xuan, Zhong Wanli, Dong Meirong, Lin Jiedong, Li Jun, Yao Shunchun, Lu Jidong. Study of the Relevance between Different Grain Sizes of 12Cr1MoV and Characteristics of Laser Induced Breakdown Spectroscopy[J]. Chinese Journal of Lasers, 2014, 41(4): 415004