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| 91. | The results indicate that the soil stabilization by slag cementing materials can be attributed to the |
| 结果表明:以OH–CO32–主的化学反应是矿渣胶凝材料稳定软土的基础,土壤中层状硅酸盐黏土矿物、状硅酸盐闪石类矿物和碳酸盐是软土化学稳定过程中的活性成分。 |
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| 92. | hectares, and a great number of water and soil conservation projects have been completed, making eroded soil |
| 全国累计治理水土流失面积6700万公顷，修建了大批蓄水保土工程，平均每年减少土壤流失量11亿多吨，增加保水能力180亿立方米。 |
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