棉花糖直播

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Figure 1: Untreated sand with pretreatment before SEM (Enlarged view)

Figure 2: Untreated sand with pretreatment before SEM (Labeled view)

Figure 3: Untreated sand with pretreatment before SEM (Enlarged view)

Figure 4: Untreated sand with pretreatment before SEM (Labeled view)

Figure 5: Biotreated sand without pretreatment before SEM (Enlarged view)

Figure 6: Biotreated sand without pretreatment before SEM (Labeled view)

Figure 7: Biotreated sand without pretreatment before SEM (Enlarged view)

Figure 8: Biotreated sand without pretreatment before SEM (Labeled view)

Figure 9: Biotreated sand without pretreatment before SEM (Enlarged view)

Figure 10: Biotreated sand without pretreatment before SEM (Labeled view)

Figure 11: Surface of biotreated sand without pretreatment before SEM (Enlarged view)

Figure 12: Surface of biotreated sand without pretreatment before SEM (Labeled view)

Figure 13: Surface of biotreated sand with pretreatment before SEM (Enlarged view)

Figure 14: Surface of biotreated sand with pretreatment before SEM (Labeled view)

Figure 15: Surface of biotreated sand with pretreatment before SEM (Enlarged view)

Figure 16: Surface of biotreated sand with pretreatment before SEM (Labeled view)

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棉花糖直播 Education, education@asmusa.org