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图 1 水样采集地点
Figure 1. The site of water sample collection
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图 2 在水样中投加水泥后，不同静置时间对除氟效果的影响
Figure 2. Effect of standing time on fluoride removal after the addition of cement to water samples
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图 3 CaCO3、CaCl2、水泥在不同投加量处理下对除氟效果的影响
Figure 3. Effect of different dosages of CaCO3, CaCl2 and cement on fluoride removal
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图 4 不同扰动程度对水泥除氟效果的影响
Figure 4. Effect of different disturbance degrees on fluoride removal after cement addition
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图 5 CaCO3、水泥不同组合比例对除氟效果的影响
Figure 5. Effect of different combination ratio of CaCO3 and cement on the fluoride removal
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图 6 CaCO3、水泥和两者用于处理水样后形成的沉淀产物的微观形貌
Figure 6. Micromorphology of CaCO3 and cement and produced sediments.
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图 7 CaCO3、水泥在处理水样前和用于处理水样后形成的沉淀产物的EDS图谱
Figure 7. EDS spectra of used CaCO3 and cement and produced sediments.
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图 8 利用水泥和CaCO3、水泥组合处理水样后形成的沉淀产物的能谱仪面扫描结果
Figure 8. EDS surface scan of produced sediments using cement and CaCO3, cement combination
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图 9 水泥和CaCO3、水泥在处理水样前后形成的沉淀产物的XRD图谱
Figure 9. XRD patterns of cement, CaCO3 and produced sediments
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图 10 CaCO3、水泥在处理水样前和用于处理水样后形成的沉淀产物的FT-IR图谱
Figure 10. FT-IR spectra of CaCO3, cement and produced sediments
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