The computational method for the general failure probability of lower Yellow River dikes was discussed.
探讨了黄河堤防工程的综合失事概率的计算方法。
To reduce deposition in the Lower Yellow River is one of main development tasks in Xiaolangdi Reservoir.
减少黄河下游河道淤积是小浪底水库的主要开发任务之一。
Water tranferred from Yangzhi River is an important way to solve the siltation of channel of lower Yellow River.
解决黄河下游河道泥沙淤积问题，“增水”是一条重要途径。
Using flood to silt beach and improve soil in the lower Yellow River is one of main contents of beach treatment.
黄河下游滩区引洪淤滩改土，是滩区治理的重要内容之一。
Beizhan flood detention area is a very important project for flood disaster reduction in the Lower Yellow River.
北展分滞洪区是黄河下游的重要防洪工程。
The total water requirement for sediment transport in the Lower Yellow River is the reflection of this self adjustment.
黄河下游输沙用水总量是黄河下游河道这种自动调整水沙关系的宏观表现。
Dongpinghu reservoir was constructed in 1958 and is one of important project for dealing with floods in the lower Yellow River.
东平湖水库是处理黄河下游洪水的一项重要工程，建于1958年。
Production dykes in the lower Yellow River have ever played an vigorous role in protection of agriculture activities in the area.
黄河下游修建的生产堤，对保护滩区农业生产曾起到过积极的作用。
The sediment deposited in the lower Yellow River come mainly from the areas yielding coarse sands in the middle reaches of the river;
黄河下游沉积泥沙主要来自黄河中游粗沙区，但至今粗沙区的范围及面积还未定论。
There are a lot of factors to affect the rising rate of water level in the meandering Lower Yellow River and river width is only one of them.
认为影响黄河下游游荡性河道水位涨率的因素是多方面的，河宽只是其中的原因之一。
Furthermore, the effect of sedimentation on water level in lower Yellow River and causes of flucturation of model parameters are also analyzed.
此外本文还阐明了黄河下游含沙量对水位的影响，及模型参数摆动的物理成因。
The sediment transporting capacity of the lower Yellow River is expressed by a formula of sediment transporting capacity of different river types.
第一造床流量是代表变动流量过程输沙能力的等价流量，即塑造河道纵剖面的造床流量，其能从理论上确定。
By analysis of the geometric parameters of plan-form and cross-sections of the Lower Yellow River, the typical wandering river bend was determined.
根据黄河下游河道特性分析，统计了河湾平面、断面几何参数，确定了典型游荡型河弯；
Models of BP artificial neural network for the forecast of dry season runoff in the Lower Yellow River are set up by using artificial neural network.
应用人工神经网络建立下游枯季迳流预测的BP神经网络模型。
By using the Neural Network Toolbox (NNT) of MATLAB, BP Artificial Neural Network Models are set up to predict the dry season Runoff in the Lower Yellow River.
本文利用MATLAB软件的神经网络工具箱(NNT)，建立下游枯季径流预测的BP神经网络模型。
Sediment regulation in Xiaolangdi Reservoir is making full use of the flood potential in the lower fiver channel for sediment discharge into the lower Yellow River.
小浪底水库的泥沙多年调节，充分利用下游河道的洪水输沙潜力输沙入海，是解决黄河下游泥沙问题和节省输沙用水的有效技术途径。
Study on evaluation method and standard of ageing and out-of-repair project was conducted in combination with the features of channel projects in lower Yellow River.
结合黄河下游河道工程的特点，对工程老化失修的评价方法和标准进行了研究。
The study on the threshold of flood grouping sediment content and incoming sediment coefficient is based on the more 200 flood data measured in the lower Yellow River.
河床冲淤相对平衡下的洪水分组含沙量阈值是多泥沙河流水沙调控的重要参数。
The effects of permeable pile groynes laid out along the thalweg in control and guide the regime of the lower Yellow River have been studied through movable bed model tests.
通过河工动床模型试验，对沿治导线布设形式的透水桩坝在黄河下游控导河势的效果进行了研究。
With the dredging projects in the Lower Yellow River, the environmental background values of the dredging silt have been determined by means of on site sampling and measurement.
结合黄河下游疏浚工程，通过现场取样和化验，确定了疏浚底泥的环境背景值。
The paper elaborates the influence of irregular channel regime to the capability of flood discharge through taking irregular winding bend of the lower Yellow River as an example.
以黄河下游的畸形河湾为例，阐述了畸形河势对河道排洪能力的影响。
The Yellow River faces a problem of less water and more sediment. The special water-sediment condition is the main reason to cause continous deposition in the Lower Yellow River.
黄河水少沙多、水沙比例失调，特殊的水沙条件是造成下游河道淤积抬高的主要原因。
With the model test, this paper researches overbank flood sediment concentration and its gradation change rules from Jahe beach to Gao village river section of lower Yellow River.
通过模型试验，研究了黄河下游夹河滩到高村断面河段漫滩洪水含沙量及颗粒级配的沿程变化规律。
This paper has analyzed the characteristics of settlement and consolidation of soil warped by using a dredged-fill machine for strengthening the dykes along the lower Yellow River.
从黄河下游放淤固堤工程的实际问题出发，文章分析了吹填土的沉降固结性能。
It has been clear through conceptualized flume simulation that even if the river mouth stops its siltation and extension, the lower Yellow river will be silted and raised continuously.
通过概念化水槽模拟，明确了即使河口不再淤积延伸，黄河下游也要继续大量淤积抬高，黄河河道淤积抬高是由河口淤积延伸造成的说法是没有根据的。
The paper analyzes the effects of river training conducted at meandering channel of the lower Yellow river from the aspects of the stability of river regime, channel bed and flow path.
从河势流路稳定性和河床稳定性等方面分析了黄河下游游荡型河道整治对河势的控制效果。
There is an indication that the channel patterns in the Lower Yellow River will not be changed utterly when Xiaolangdi Reservoir discharges its clean water after It will have been built.
结果表明，小浪底水库建成后，在其清水下泄期间，下游河型将不会发生改变。
Starting with analysis of the status and characteristics of no—flow in the lower Yellow River, the causes, the consequent influences and the alleviating measures are studied in the paper.
本文从分析黄河下游断流的现状和特点入手，重点研究了黄河断流的成因、造成的影响以及缓解断流的对策。
Starting with analysis of the status and characteristics of no—flow in the lower Yellow River, the causes, the consequent influences and the alleviating measures are studied in the paper.
本文从分析黄河下游断流的现状和特点入手，重点研究了黄河断流的成因、造成的影响以及缓解断流的对策。
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