sediment discharge 中文意思是什麼
sediment discharge
解釋
沉澱物排放-
A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta
黃河三角洲凈造陸面積與黃河入海水沙量的統計模型說明，黃河三角洲沖淤動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ，輸沙量為1 . 853億t a 。 -
Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976
以一般高潮線反映現代黃河三角洲沖淤演變時，從1976年黃河改道清水溝流路入海到2000年，整個黃洞三角洲凈造陸201 . 5km ~ 2 ，淤積有逐漸變慢的趨勢，甚至出現凈蝕退的年份；刁口河嘴大量蝕退，蝕退速率開始快速，后來逐漸變慢；清水溝河嘴大量淤積，淤積速率開始迅速，后來逐漸變慢，甚至出現凈蝕退；清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。 -
Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid
摘要以2004年大同市御河乾渠兩場洪水為研究對象，對其流量、含沙量、養分（包括有機質，氮，磷，鉀）做了測定和比較，研究結果表明：洪水中下層泥沙中的養分含量遠大於上清液中的養分含量；洪水中整體養分含量隨著含沙量的增大而增大，並且養分含量和含沙量呈近似線性關系。 -
Linkage of grain size information with river sediment discharge and estuarine deposition at the pearl river estuary
河口沉積與粒度信息之間的聯系 -
Both discharge, discharge process, sediment concentration and sediment process changed with the continuous inflow of anabranches down the river
支流的沿程匯入改變了幹流的水沙條件，包括流量、流量過程、含沙量及來沙過程。 -
Taking the reach with fluctuating backwater area in jiaokou hydroplant in xiujiang river, guanxi zhuang autonomous region for instance, this paper analyzes the water - sediment characteristics of the fluctuating backwater area, calculates the design level of this reach with samples of level and discharge, etc., and propounds the determination method for the designed lowest navigable level of reach with fluctuating backwater area
以廣西繡江交口電站的變動回水區河段為例，分析了變動回水區的水沙特性，分別利用水位、流量樣本及不同方法計算與分析本河段的設計水位，提出了變動回水區河段設計最低通航水位的確定方法。 -
In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory
本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系，研究分汊河道的分流特性，並推導理論分流模式；另一方面，通過建立二維水流數學模型，與理論分析結果進行比較。 -
According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river
根據小浪底下游各站沙峰均滯後於洪峰的35場洪水，對沙峰滯後於洪峰的特性進行了剖析，建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程，可以用來查補延長沙峰滯后時間，為下游各站沙峰傳播時間的準確預報提供依據。 -
The percentage of flow discharge, which is an important concept and tool for the study of nonuniform sediment, is proposed
引進了挾帶分組泥沙的水量百分數，它是研究非均勻沙的重要概念和工具。 -
The problems from sediment discharge for de - siltation and the relative stability of fiver channel can be solved through the study on the main indexes such as flow rate, silt concentration and etc. based on the analysis of sediment - carrying capacity of flow and the law of river channel evolution
在分析水流挾沙力和河槽水力形態規律的基礎上，研究調水調沙的流量、含沙量等主要水沙指標，可以解決河道輸沙減淤和河槽相對穩定問題。 -
Fractal characteristics of discharge and sediment discharge in the pearl river delta
西北江三角洲來水來沙的非線性分形特徵 -
So far as the alluvial fiver is concerned, the sediment - carrying capacity of flow and hydraulic geometry of river channel can be regulated by regulating the composition of flow rate, silt concentration and sediment ( water and sediment regulation ) during water and sediment discharge ; with which the relative balance for water and sediment discharge and the river channel evolution can be obtained
摘要沖積性河流的河床在輸水輸沙過程中，調節流量及含沙量和泥沙組成（調水調沙）可以調節河床水力幾何形態和水流挾沙力，追求水沙輸運和河床演變的相對平衡。 -
Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞，擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求，灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證，在施工前確定該預應力方案選用無粘結預應力系統，成為目前世界上規模最大的無粘結預應力隧洞襯砌工程，在國內尚屬首例 -
Considering the influence of dynamical factor of sediment discharge as well as the difficulty of calculating number of input cell, the model is provided with strong nonlinear mapping capacity and applied to simulate and forecast monthly sediment discharge of longchuan river watershed, the outcome is reasonable with higher precision
模型既能考慮到影響輸沙量時間序列的動力因子，又能解決網路的輸入單元數確定的困難和利用神經網路超強的非線性映射功能，通過對龍川江流域控制站月輸沙量的擬合與預測表明其結果合理，預測精度較高。 -
Suspended sediment has three transport modes, and the relationship between tidal discharge and sediment discharge is also studied
懸沙運動模式與水流基本一致，也存在三種不同形式的懸沙環流輸移模式，並分析了潮流量與輸沙率之間的關系。 -
Overall, the average deposit slope, changes in cross sections, scouring hole, and sediment discharge of downstream channel of dam no. 4 increased with deeper opening depth of dam no. 3
由實驗結果得知，隨三號壩壩體在斷面拆除深度加深時，四號壩下游的淤砂坡度、斷面變化、沖刷坑與輸砂量變化會隨之增大。 -
It has conducted physical model tests on five plans of different operational modes of sanmenxia reservoir and different combination of sediment discharge conditions and analyzes the influence of different sediment discharge conditions and different operational modes to scour and fill of reservoir area
摘要通過實體模型對三門峽水庫不同運用水位和水沙條件組合的5組方案進行了試驗，對比分析了不同水沙條件和不同運用水位對庫區沖淤的影響。 -
The results show that reducing the water level of dam front can regulate the location of scour and fill of reservoir area and be advantageous to scouring of reservoir area, reducing the elevation of tongguan, especially to the scour of channel in reservoir region and the elevation reduction of tongguan under the favorable conditions of sediment discharge
試驗結果表明，降低壩前水位可以調整庫區淤積部位，有利於庫區的沖刷和降低潼關高程，但有利的水沙條件對庫區河道的沖刷和降低潼關高程更明顯。 -
Based on analysis of chaos characteristic of sediment discharge time series, bp neural networks model based on chaos phase space is proposed to forecast the sediment discharge through embedding dimension
在對輸沙量時間序列混沌特性分析的基礎上，利用嵌入相空間來確定前期影響因子，建立了基於混沌相空間技術的bp神經網路模型。 -
There are lots of factors which influence the evolvement law of sediment discharge, and it is very difficult to be known and gained, it results in low precision of simulation and forecast
摘要影響輸沙量演變規律的前期因素比較多，且難于確定和提取，這就造成對輸沙量的擬合和預測精度較低。
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