运用L_9(34)正交试验设计方法，研究了3种固体废弃物在自然状态下的胶结反应。
By using L_9 (34) orthogonal experimental design method, the cementation reaction of three kinds of solid wastes in the natural state were investigated.
而色彩退变的机理除了胶结剂老化引起颜料脱落外，还有一系列复杂的光化学反应。
Apart from the shedding of pigment due to the aging of adhesive, there is a series of complicated photochemical reactions that can account for the fading of color.
实验表明，硫化氢与处理剂反应产物确实起到了“胶结物”的作用，可以明显强化井壁岩体稳定性。
Results show that, the reaction products of hydrogen sulfide and agent actually plays a role of cementing, which can significantly enhance wellbore stability.
土体化学加固是利用化学材料发生反应生成凝胶并胶结土粒的特性来达到加固土体的目的。
The characteristics of gel can be used to consolidate soil, which is named as soil chemical consolidation.
其增强作用主要表现为水化反应产生的水硬性胶结物或碳化作用，试验表明小苏打和铁粉具有较好的增强效果。
Their reinforcement mechanism lies mainly in the formation of hydraulic cohesive material in hydration and carbonation. The sodium bicarbonate and waste iron-dust show a better reinforcement effect.
其增强作用主要表现为水化反应产生的水硬性胶结物或碳化作用，试验表明小苏打和铁粉具有较好的增强效果。
Their reinforcement mechanism lies mainly in the formation of hydraulic cohesive material in hydration and carbonation. The sodium bicarbonate and waste iron-dust show a better reinforcement effect.
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