河道水道 的英文怎麼說
中文拼音 [hédàoshuǐdào]
河道水道
英文
chaung- 河 : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
- 水道 : water channel; channel; waterway; watercourse; water carrier; water race; water lane; klong; lago...
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There are a lot of factors that work on the water level of erodible - bed channel together, each of them varies no role, but is correlative. in the adjacent years or the adjacent flood peak of a floodwater, the conditions of the factors that influence water level are always very different. so, there is a nonlinear relation between water level and the factors influencing it
沖淤河道水位受到很多因素的共同作用,各因素本身的變化沒有規律且互相關聯,相鄰前後年份或同一場洪水的不同洪峰前後,影響水位的水、沙、河道等因素常差別很大,水位與其影響因素之間客觀上是非線性關系。Numerical simulation study on three - dimensional velocity field of fluvial channel current
河道水流三維流速場的數值模擬研究The region was crisscrossed by myriad rivers, canals, and irrigation streams that fed lush market gardens and paddies in which the young rice shoots grew, or flowed into lakes and ponds where fish and ducks were raised
這里河流水道交錯、灌溉溝渠縱橫,滋養了稻穗累累的水田,也流入一望無際的湖泊和養鴨、魚的池塘。Growth of phytoplankton in polluted river in suzhou city
蘇州重污染河道水體浮游植物消長規律初探K - l les of shallow - water turbulent flow in open channels with a vegetated domain
帶有植物的河道水流淺水紊流運動大渦模擬In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的The research relates to the field experiment for improving river water quality by using microorganism, which lasts two months in taohuajiang river
摘要該課題是探索直接利用人工培養的微生物改善河道水質的研究。In addition, for its application in unattended substation, important traffic crosses, hydrological observation and the monitor of frontiers and coastal fronts and so on, remote video monitoring system plays a key role in motoring system
另外,一些特殊的應用如無人值守變電站、交通管理、河道水文監測、邊海防監控等,遠程視頻監控是監控系統不可缺少的最主要的功能。Because it is relatively reliable in both theoretical and practical research, the rigid bed model, which is without deformation under the action of river flows, is widely used in the river hydraulic simulations. the advantages of visibility and high accuracy of the rigid bed models are evident for the complicated boundary conditions of rivers
在河道水力模型中,尤以河床在水流作用下不發生變形的定床模型應用最為廣泛,在理論上和實踐上都已比較成熟,當河段的邊界過于復雜時,其直觀、準確的優越性更為明顯。Considering the joint operation of the three gorges and gezhouba hydropower stations, influences of the daily regulation planning of the hydropower stations on the water surface slope of the downstream reach of the three gorges reservoir are studied
?結合三峽和葛洲壩兩電站聯合運行的實際情況,研究了調節方案對三峽水庫下遊河道水面比降的影響。On the basis of the field data of water temperature, a new formula for estimating water temperature of river by using meteorological factors is put forward by using the method of least squares
摘要結合某流域水溫原型觀測資料,通過分析水溫與氣溫、太陽輻射、濕度和風速之間的相關關系,採用最小二乘法建立了水溫與氣溫、濕度和風速三者之間的多變量函數方程式,提出了一種利用氣象因子估算天然河道水溫的新公式。The sluice ' s fuzzy flood control system is designed by taking the fuzzy decision making system for flood control operation of sluices on a y - river as an example
摘要以三汊河道水閘防洪調度模糊決策為例,設計了水閘防洪調度模糊系統。The river mouth delta process is affected by river dynamics and coastal dynamics. the process of river delta is estimated by empirical model, analytical model and minimum stream power method. the three models are verified with field data of the yellow river mouth. the computed results are compared with field data. the demerits of the three models are pointed out
採用經驗模型、分析模型和最小功率方法研究河口三角洲演變過程.根據黃河河口三角洲資料,利用三個模型計算了河口三角洲岸線或沙咀寬度及岸線的平均延伸情況及對河口近口段河道水位的影響,比較分析了各模型的計算結果,指出了模型不足之處Helsinki rules on the uses of the waters of international rivers
關于使用國際河川水道的赫爾辛基規則Furthermore, for problems with submerged vegetation, a 3d les model named 3d k - 1 les has been set up
針對淹沒植物情況,建立了三維的河道水流紊流運動大渦模擬數值計算模型,稱為3dk - lles模型。Applying the proposed model, the turbulent flow in open channel with submerged vegetation has been simulated and the flow effect due to vegetation has been analyzed
應用該模型進行了存在淹沒植物的河道水流紊流運動數值計算研究,分析了淹沒植物對河道水流的影響。Applying the proposed model, the turbulent flow in open channel with emergent vegetation region has been simulated and the flow effect due to vegetation has been analyzed
應用該模型進行了存在非淹沒植物的河道水流紊流運動數值計算研究,分析了非淹沒植物對河道水流的影響。This work is under the project " numerical study of turbulent flow in open channel with a vegetated region ". two numerical models have been proposed and developed by using the technique of large eddy simulation ( les ). model verification and applications have been carried out subsequently
本文結合「帶有植物的河道水流紊流運動數值計算研究」項目,應用大渦模擬方法,提出了兩個河道水流紊流運動大渦模擬數值計算模型,並應用模型對帶有植物的河道水流紊流運動進行了數值模擬計算研究。The computational results of models are in satisfactorily agreement with the experimental data. all the results show the validity of the proposed models. the present k - l les and 3d k - l les model are proven to be new useful tools for the study on turbulent flow in open channel with a vegetated region
K - lles模型和3dk - lles模型為進行帶有植物的河道水流紊流運動數值計算研究,特別是對分析存在植物的河道水流運動形態及由於植物的阻礙在河道中產生的大尺度渦的形成、發展研究提供了一個新的研究途徑。分享友人