Research Article
Study on the Processing Technology of Calamine Calcination by Near-Infrared Spectroscopy
Figure 2
Change of ZnO content of 8 batches of calamine samples during calcination. (a) S1. (b) S2. (c) S3. (d) S4. (e) S5. (f) S6. (g) S7. (h) S8.
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