河道網 的英文怎麼說

中文拼音 [hédàowǎng]
河道網 英文
channel network
  • 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） ...
  • 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  1. In the plain area, 23, 000 hectare ' s green belt along five waterways and ten highways and forest network in the farmland will be built ; satellite towns and the center towns will be brought to meet the standards of garden town

    平原完成"五河十路"兩側2 . 3萬多公頃的綠化帶及其它河道、道路綠色通道，完善農田林網化，郊區衛星城和中心鎮達到園林城鎮標準。
  2. In an actual case of the numerical modeling on the flood of both the north branch and the mid - downstream of daqing river in haihe river hasin, the flood is simulated with one - dimensional model, in which flood regulation of the retarding basin, the discharge gate control and the infiltrations of the northern rivers are considered

    在海河流域大清河北支及中下遊河道洪水數值模擬的實際工作中，應用了一維河網模型進行洪水的模擬計算，並根據實際情況加入了蓄滯洪區調度、泄洪閘控制調度以及近年來北方河道入滲的特點等條件，計算效果良好。
  3. Through examination of the recession limbs of the observed hydrographs, during periods with no rain and thus no surface runoff, one can determine the value of. for this catchment, a value of 0. 8 is obtained. the simulated subsurface runoff at each grid is routed to the outlets through a unit - hydrograph method for overland flow and the linear saint - venant equation for channel flow to get the discharge at xixian station

    對所研究的流域而言，經過估算消退系數為0 . 8 .耦合著這兩種不同地下徑流機制的clm模型都可以計算出每個網格的地表地下徑流深，採用dag lohman 34 ， 35發展的匯流模型進行匯流由於是研究地下徑流，所以取每個網格的地表徑流為0 ，該模型採用單位線計算坡面匯流線性聖維南saint - venant equation進行河道匯流
  4. The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano

    影響喀斯特流域枯水徑流的因素異常復雜，其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上，採用人工神經網路技術，結合傳統的統計方法，研究貴州高原上喀斯特流域的枯水徑流規律。
  5. Relationship between river structure of plain river net and water purification capacity

    平原河網河道結構與水體自凈能力關系實驗研究
  6. The relaxation iterative method of branch flow in tree - type river systems is extended to the loop - type river networks, which can turn the problem of any complex river networks hydraulics into the problem of a series of single river hydraulics ; 4

    將樹狀河系支流流量的鬆弛迭代方法推廣為環狀河網支流流量的鬆弛迭代方法，從而實現了對于任意形式河網的復雜水力計算問題都化為一系列的單一河道的簡單水力計算問題。
  7. A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained

    提出了一種匯流時間計算方法，匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式，同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后，將其看作隨機變量，進行統計分析后，得到匯流時間的頻率分佈? giuh 。
  8. The super entropy produce criterion is a good tool to judge the system ' s abrupt change from a lower grade to a higher one. in this paper the entropy of the urban resource - environment system was defined, and in an example of its application the super entropy produce criterion of the urban resource - environment system reflected the real developmental process of the whole system. furthermore, in this paper, a new model for the grid size optimization of the finite element method ( applied to the water quality modeling of the topographically complicated river ) was brought forward based on the maximum information entropy theory in condition that the length of gird was given

    超熵產生判據為我們提供了判斷系統從低級有序向高級有序突變過程的工具，本文提出了城市資源與環境系統熵的定義，在實例中的應用證明城市資源與環境系統的超熵產生判據較好地反映了整個系統的演化情況；另外，本文針對在城市復雜河道情況下，利用有限單元法求解河流水質模型時網格單元大小難確定的問題，引入網格信息熵的概念，提出了有限單元法求解河流水質模型的網格優化方法。
  9. Taking waterway renovation project of hangjiahu waterway network as an example, this paper discusses the financial benefit of such inland waterway projects as newly built, renovated or extended ones respectively in different toll, by the method of sensitivity analysis and probability model

    摘要以杭嘉湖航道網改造工程為實例，採用敏感性分析和概率分析的方法，分別按改擴建項目和新建項目，探討不同收費方式下內河航道工程的財務效益。
  10. The statistics show that the correlation of antecedent precipitation, lithology, landform, drainage density, drainage area, length and ratio of demotion of main river and four characteristics of low flow is very complex

    統計結果表明：流域的枯季前期降水、巖性、地貌、流域面積、河網密度、主河道長度及其比降等因子與喀斯特流域的枯水四特徵的相關關系異常復雜。
  11. A study of fine geological modeling of braid fluvial sandbody in the dense drilling zone

    密井網區辮狀河道砂體精細地質建模方法研究
  12. Creating the symbolic street comprising south road and huanghe road, changjiang river road automobile commercial street, anshanxi road science commercial street, forming the six areas and three zones combined network layout with multiple centre group and sections

    打造南馬路黃河道標志路，長江道汽車貿易街，鞍山西道科貿街，形成「六區三帶」的多中心組團和點線結合的網路式布局。
  13. To prevent flood, adopting non - project measures is feasible and efficient marching measures in recent years in most of counties, adequately utilizing modern science and technology such as computer, information processing, net and communication, system emulation, artificial intelligence and so on to build system that can automatically survey and forecast water information, now plays a important role in grasping the information of rainfall, water and project, in making and selecting preliminary draft of flood control and dispatch, which can greatly raises the efficiency and flexibility of flood control, and has important realistic significance and social economic benefits in minimizing flood disaster

    充分利用現代科學技術，如計算機、信息處理、網路和通訊、系統模擬、人工智慧等技術，建立水情自動測報系統，對雨、水、工情的掌握，防洪調度預案的制定、選擇和實施都有重要的使用價值，可以大大提高防洪工程措施的防洪效能和防汛調度的靈活性，對減少洪水災害具有重要的現實意義和社會經濟效益。鬱江洪水預報與調度系統內容豐富，主要有： 1 、系統設計； 2 、系統洪水預報模型； 3 、系統實時校正模型； 4 、系統河道洪水演進模型； 5 、系統水庫調度模型。
  14. In addition to, we summed the results of fields outcrop and fluvial engineering, established the geological thesaurus. ration the different type of fluvial channels shape parameters. then matched the logging interpretation model of shaliness. porosity unit, permeate ratio and hydrocarbon saturation originality, because using the measure of multianalysis and network. the precision is higher than the result of onventionality, so laid the fundation of knowing the characterof reservoir

    此外，總結了國內外野外露頭及河流工程的研究成果，建立了研究區的地質知識庫，初步量化了不同類型河道的形態參數。還建立了不同類型河道的泥質含量、孔隙度、滲透率、原始含油飽和度的測井解釋模型，由於引入了多元擬合及人工智慧神經網路等手段，其計算精度高於常規解釋結果，為精細分析儲層內部性質奠定了基礎。
  15. Based on tiansha river water diversion flow strengthen project in jiangmen, the hydraulics and water quality characteristics in tidal rive networks have been simulated numerically. zero - dimensional and one - dimensional hydraulic models have been applied. this paper presents the concept of roughness optimization

    採用零維及一維水力模型，結合江門市天沙河引水增流工程項目，對感潮河網的水力水質特性進行了數值模擬，提出河道糙率優化概念，為感潮河網的納潮沖污，改善水環境提供了理論依據。
  16. Using the 1 - d rivernet model calculates the water discharge ratio of the two branches and also duplicates the back - flow in the north branch during flood tide. the 2 - d model with a fine grid is applied to the field of flow in the changjiang estuary and the results are well in agreement with the measured flow

    同時利用河網模型對長江口分汊河段進行一個月的水流模擬，並獲得了長江口南北支分流比，復演出北支漲潮時水體倒灌轉流現象，解決了河網模型用於分汊河道潮汐水流模擬的問題。
  17. The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet. the travel path, for a typical hillslope cell. consists of a hillslope fraction, corresponding to overland flow and a stream fraction, corresponding to concentrated channeled flow. to obtain the time of travel, velocities must be defined. hillslope and stream velocities vary with location and must be strongly correlated with slope, and therefore a spatial distribution of velocities and hence of travel times could be obtained. the present methods of giuh neglect any time delays associated with overland flow pathways

    地貌單位線被看作是流域上各水質點在弱相互作用下，到達流域出口匯流時間的頻率分佈。對於一個典型的山坡型網格單元，匯流路徑由兩部分組成，即坡地部分和河道部分，為了得到匯流時間，必須首先確定匯流速度。坡地和河道的匯流速度隨著區域位置而變，並且必然與坡度有關，因此，可首先計算流速的空間分佈，進而得到匯流時間的空間分佈。
  18. In this paper, remote sensing picture is processed by erdas, a famous rs & gis platform, and information on the chong qing part of the yangtze river is obtained, which can be compared with the water level data from numerical calculation and evaluate the computation precision of mathematical models

    本文利用著名的rs & gis軟體平臺erdas對遙感圖片進行處理，獲取長江重慶河段河網的信息。可以將提取的河道水面線與數學模型計算的水面線進行比較，對數學模型的計算精度作一個評估。
  19. In this paper, a brief introduction of hydrodynamic, sediment transport model and its application in engineering projects are reported. 2. the equations are derived using a tensor analysis of two - phase flow, and the background of basic equations and parameters in the numerical model are discussed

    本文採用非交錯曲線網格二、三維水流泥沙數值模型研究感潮河道水流泥沙問題，主要內容有： （ 1 ）綜述水流泥沙數值模型的發展概況，及其工程應用。
  20. River shoal evolution prediction models on a bp neural network are established on analyzing factors affecting shoal evolution in a river, and input as well as output factors are determined by analyzing, the methods of obtaining these factors and selecting training samples are presented, and the designing of a bp network is also studied

    在分析影響河道淺灘演變因素的基礎上，提出了基於bp神經網路的河道淺灘演變預測模型，分析並確定了模型的輸入、輸出因子，提出各因子的獲取方法以及訓練樣本選取方法，並對bp網路設計進行了探討。
分享友人
分享到 Line

分享到臉書