Hang Xiao, Zhenfa Yang, Lei Zhang, Faye Zhang, Qingmei Sui, Lei Jia, Mingshun Jiang. Effect of Temperature on Near-Infrared Spectrum Detection of Cement Raw Meal and Compensation Method[J]. Chinese Journal of Lasers, 2020, 47(1): 0111001
- Chinese Journal of Lasers
- Vol. 47, Issue 1, 0111001 (2020)
Fig. 1. Diagram of system structure
Fig. 2. Flow chart of experimental process. (a) Samples of calibration set; (b) samples of validation set
Fig. 3. Near infrared spectrum of cement raw meal (changing from 52 ℃ to 29 ℃)
Fig. 4. Near infrared spectra of cement raw meal obtained by resetting the same sample and after five detections
Fig. 5. Comparison of predicted results between model I and model II. (a) SiO2; (b) Al2O3; (c) Fe2O3; (d) CaCO3
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Table 1. Component information of cement raw meal samples
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Table 2. Standard deviation and range of prediction values obtained by five measurements after by resetting the same sample of cement raw meal
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Table 3. Comparison of evaluation indexes between model I and model II
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