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图7 添加3 mg·L-1 AA-CDM前后CaSO4的SEM图及添加不同浓度AA-CDM后CaSO4的XRD谱
Fig.7 SEM images of CaSO4 without (a) and with (b) addition of 3 mg·L-1 AA-CDM, and XRD patterns of CaSO4 after additions of (0, 1, 3) mg·L-1 AA-CDM (c)