Organic carbon and total nitrogen in bed load had enrichment phenomenon.
推移质中有机碳和全氮均有富集现象。
A sediment transport model of bed load that interacts with 3d turbulent flow was developed.
开发了与全三维紊流模型连接计算的泥沙模型。
Forces acting on saltation particles and the mechanism of saltation are very important in bed load research.
水流中跃移颗粒的受力分析及其运动机理的研究对于推移质运动理论有着重要的意义。
When the flow intensity is high, the transport rate of bed load as given by Einstein formula might be too small.
在水流很强时，爱因斯坦公式所给出的推移质输沙率有可能偏小。
Rule of bed load transport in tidal reach of the Yangtze river and distributing rule along the river are studied.
研究长江感潮河段推移质输移规律和沿程分布规律。
The channel sedimentation comes from three parts, i. e. the suspended sediment, high sediment layer, and bed load.
航道淤积由三部分构成：悬沙、推移质和底部高浓度含沙层。
Especially, while exchanging between bedload and bed material, the net transport of bed load towards waters was considered.
主要在床沙与推移质交换的同时，考虑了床沙与推移质向悬移质的净交换。
At present, there are a great many calculating formulas of bed load; nevertheless, the calculating result disagrees with the actualities.
当今众多推移质计算公式，其成果都与实际难符。
When the bed load round the cylinder with water flow, a region of non sediment's moving will be formed in the bed layer near the cylinder.
试验发现推移质泥沙随水流绕过圆柱体时，将在圆柱周围的床面上形成一个无沙区。
Computation of the bed load transport considered the influences of bed slope on both critical bed shear stress and bed load transport rate.
泥沙推移质的计算考虑了床面坡度对推移质输沙率和临界启动剪切力的综合影响。
The similarity criteria for designing the sediment models for plain sand-bed rivers include similarity of flow, bed load and suspended load.
认为平原细沙河流的泥沙模型设计所遵循的相似准则应包括水流运动相似、推移质运动相似和悬移质运动相似。
Weathering of rocks in the mountainous area and gravitational erosion also play important part in contributing to the bed load which easily deposits.
此外，山区基岩风化与重力侵蚀也产生大量的推移质沉积物。
An appropriate formula of bed load rate is chosen to calculate the amount of bed load of each section. Curves of amount of bed load and discharge are got.
比较选用能较适用于该河段的推移质输沙率公式，计算出各断面的推移质输沙量，得出推移质输沙量与流量的关系曲线。
And then, the law of low transport rate of the nonuniform bed load is presented, its theoretical expression is derived and the calculated results and given.
进而阐述了非均匀沙推移质低输沙率规律，导出了其理论表达式，并进行了数值计算。
The formulas of velocity distribution, flow resistance and bed load transport rate are obtained, in which the flow and sediment movement are considered simultaneously.
本文还导得动平床情况下的流速分布公式、阻力公式和输沙率公式，使动床的水流运动和输沙过程得以联解。
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。
Based on the study of sediment transport under the actions of tidal currents and wind waves a mathematical model of suspended load and bed load for Yangtze estuary is developed.
摘要通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for Yangtze Estuary is developed.
通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Lastly, studies transportation characteristic of bed load sediment of upstream end before vegetation dam. Preliminarily clear sand-binding mechanism of vegetation "flexible dam".
最后对植物坝前上游段推移质泥沙的输移特性进行了研究，初步探明了植物“柔性坝”的固沙机理。
Abundantly developing rivershore, frequently moving bed load and high content of suspend load in Yanfushan reach of Oujiang River are very beneficial for rivershore cultivation and silting.
瓯江杨府山河段边滩发育丰富，底沙运动频繁，悬沙含量高，对边滩围垦促淤极为有利。
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。
Based on sediment transport experiments, the interaction between flow and sediment movement is analysed and the problems of grain resistance and bed load transport on plane movable bed are discussed.
本文在输沙实验的基础上，从研究水流结构着手，分析了水流和泥沙之间的相互作用关系，讨论了动床沙粒阻力和底沙输移规律。
The staff load dirty bed sheets and towels onto a conveyor belt which runs into an industrial-sized, energy-efficient washer that uses a third of the water of traditional machines.
员工们将需要清洗的床单毛巾卸在传送带上，传送带会将它们送入大型号，低耗能的洗衣机中。这种洗衣机和传统洗衣机相比，耗水量减少三分之二。
Neutron activation technique was first tried to make tracing measurement for bed-load movement.
并首次在国内试用了中子活化技术对底沙运动进行了示踪测定。
The testing method and data processing procedure for random load on the transmission system of a BED type ball mill with straight flow are presented.
介绍了直燃式双进双出钢球磨煤机传动系统随机载荷的测试方法及数据处理步骤。
Authors describe the principles and application on investigation of bed-load movement along North Bank of Hangzhou Bay. 27 bed-load samples were callected in the test region.
文中主要叙述了中子活化分析天然泥沙法的原理及在杭州湾北岸研究底沙运动的应用情况。这次试验区域是杭州湾北岸，共取现场泥样27个。
It is very important for study of mechanics of bed-load transport and of bed-load transport rate.
这对于了解推移质运动机理及进行推移质输沙率研究有着重要的意义。
Once printing is complete, the offload system then uses vacuum grippers to pull the sheet off the bed and onto the off-load pallet for stacking.
打印一旦完成，卸载系统就会用真空夹合器把板材从打印机床上放到卸载台上，堆积起来。
Once printing is complete, the offload system then uses vacuum grippers to pull the sheet off the bed and onto the off-load pallet for stacking.
打印一旦完成，卸载系统就会用真空夹合器把板材从打印机床上放到卸载台上，堆积起来。
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