The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data.
根据实测地形和水文泥沙资料，分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
The released flow from reservoirs carries less sediment load of bed material than pre? dam periods.
建坝后水库下泄水流挟带的床沙质含沙量减少，坝下游河床出现冲刷。
It has been proved, the bed material load, wash load and total load follow the same rule of carrying capacity.
证实了床沙质、冲泻质与全沙具有统一的挟沙能力。
When cotton stalk and bed material are well mixed, the minimum fluidizing velocity can be achieved by experiment.
并通过实验求得此工况下床层的临界流化速度。
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。
This model takes into account non-equilibrium transport of non-uniform bedload and introduces the mixed layer model to calculate the changes of bed material grain class.
该模型考虑了非均匀推移质不平衡输移，并引入混合层模式用于模拟河床组成的变化。
The design methods include how to select bed load and bed material within the suspended load and how to determine the feed of the model sand and the time of the experiment.
模型设计方法主要包括：如何合理选择模型河床质和床沙质，如何确定进口断面加沙量和放水时间等。
The combustion and heat transfer in CFB boiler are related with the bed material, while the bed material is formed during the coal combustion, fragment and attrition processes.
循环流化床锅炉炉内的燃烧及传热与炉内床料的状态密切相关，而炉内床料主要是由燃煤含有的矿物组分经过燃烧、爆裂和磨耗过程形成的。
The combustion and heat transfer in CFB boiler are related with the bed material, while the bed material is formed during the coal combustion, fragment and attrition processes.
循环流化床锅炉炉内的燃烧及传热与炉内床料的状态密切相关，而炉内床料主要是由燃煤含有的矿物组分经过燃烧、爆裂和磨耗过程形成的。
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