Figure 12

Changes in mass proportion of mineralization products before and after ultrasonic treatment under 50 \(^{\circ }\)C, 40 \(^{\circ }\)C and 30 \(^{\circ }\)C conditions.
Changes in mass proportion of mineralization products before and after ultrasonic treatment under 50 \(^{\circ }\)C, 40 \(^{\circ }\)C and 30 \(^{\circ }\)C conditions.