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Journal of Spectroscopy
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Journal of Spectroscopy
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2024
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Article
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Fig 1
/
Research Article
Rapid Quality Assessment of
Polygoni Multiflori
Radix Based on Near-Infrared Spectroscopy
Figure 1
The preprocessed NIRS spectra. (a) Original. (b) SG. (c) SNV. (d) 1
st
Dev. (e) 2
nd
Dev.
(a)
(b)
(c)
(d)
(e)