GAN Ting-ting, ZHANG Yu-jun, ZHAO Nan-jing, YIN Gao-fang, XIAO Xue, ZHANG Wei, LIU Jian-guo, LIU Wen-qing. Study of the Impact of Sample Thickness on Thin Film Method X-Ray Fluorescence Spectrum Measurement[J]. Spectroscopy and Spectral Analysis, 2016, 36(12): 4039