The special function expansion method was applied to solve the sedimentation problem of polydisperse colloid system.
特殊函数展开法被用于解决多分散具势悬浮体系中粒子的沉降问题。
The core technology of waste water purification for flushing slag water treatment system is flocculation and sedimentation, and the key point is control of addition dosage.
渣水处理系统污水净化的核心是絮凝沉降，控制好加药量是污水净化处理的关键点。
Analysis is made on the hazards resulting from bridgehead jump-driving, especially from subgrade sedimentation, construction methods and structural system, and given the preventions.
从路基沉降、施工方法和结构体系上对桥头跳车病害进行原因分析，提出防治病害的工程措施。
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