Shang-kun SHAO, Xue-peng SUN, Xiao-guang DU, Yu-fei LI, Ya-bing WANG, Xiao-yun ZHANG, Zhi-guo LIU, Tian-xi SUN. Identification of Pearl Based on X-Ray Transmission Imaging and Fluorescence Dual Mode[J]. Spectroscopy and Spectral Analysis, 2020, 40(12): 3936
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 12, 3936 (2020)
Fig. 1. Composition of dual-mode system of XRF and transmission X-ray imaging
Fig. 2. Pearls identification process
Fig. 3. Grayscale image of partial sample
Fig. 4. The XRF spectrum of freshwater pear
Fig. 5. The XRF spectrum of seawater pearl
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Table 1. Thresholds of average attenuation coefficient
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Table 2. Average attenuation coefficient of samples
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