Tianyou Hu, Zhili Chen, Jin Tang, Haowen Wang, Jialian Ning. Model Construction for Soil Styrene Pollution Prediction Based on Infrared Spectroscopy[J]. Acta Optica Sinica, 2020, 40(8): 0830001
- Acta Optica Sinica
- Vol. 40, Issue 8, 0830001 (2020)
Fig. 1. Spectral curves of different styrene contaminated soils. (a) Brick laterite; (b) black soil; (c) purple soil; (d) uncontaminated soil
Fig. 2. Spectral curves of different styrene contaminated soils after continuum removal processing. (a1)(b1)(c1) Feature band is located at 1800 nm; (a2)(b2)(c2) feature band is located at 2200 nm and 2400 nm
Fig. 3. Styrene contents in three soils predicted by different models. (a) Styrene-brick laterite; (b) styrene-black soil; (c) styrene-purple soil
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Table 1. Physical and chemical properties of tested soils
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Table 2. Sample number and saturation content of soil and hydrocarbons
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Table 3. Correlation coefficients of styrene in each characteristic band under different transformation forms of spectral reflectance of brick laterite
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Table 4. Accuracy comparison and prediction verification among different models
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