启动过程中污泥固体物质在ASBR中不断积累而保持较高的固体停留时间(SRT)，有助于提高处理效率。
During the start-up process, the solids of sewage sludge accumulated continuously in ASBR and kept longer solid retention time (SRT), helpful to enhance the treatment efficiency.
固体颗粒在床层迅速混合，导致颗粒在反应器中停留时间不均。
The rapid mixing of solids in the bed leads to nonuniform residence times of solids in the reactor.
对试验所得的固体颗粒停留时间分布曲线的分析明显表明床内存在着由于流体动力特性和几何结构引起的颗粒返混。
The experiments show that the solid reflux due to hydrodynamic and geometrical reasons are clearly observed in the analysis of the RTD (residence time distribution) curves.
对含结晶水的固体物料在流化床中的干燥过程进行了分析，得出了流化床内物料结晶水相变蒸发段的局域游离含水率和停留时间的计算式，并分析了影响局域游离含水率的因素。
The drying process of various crystals with combined water at a fluidized_bed has been studied in this paper. The local content of free water and the necessary time of drying are presented.
本文就具有固体循环系统的气流干燥器停留时间分布规律进行了研究，提出了停留时间分布密度的计算公式。
The residence time distribution for flash driers with circulating systems was researched. Equations for calculation of this residence time distribution were developed.
本文就具有固体循环系统的气流干燥器停留时间分布规律进行了研究，提出了停留时间分布密度的计算公式。
The residence time distribution for flash driers with circulating systems was researched. Equations for calculation of this residence time distribution were developed.
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