河段面 的英文怎麼說

中文拼音 [héduànmiàn]
河段面 英文
stream cross section
  • 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...
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 河段 : [水文] channel segment; stream segment; reach
  1. In the upper reach the bed was dune covered and in the lower reach it was flat.

    上遊河段的床面為沙壟所覆蓋，而下遊河段則為平整床面。
  2. The project is 156 m dam height, 877 m normal impounded level and 760 mw installed capacity. minjiang river benches almost conversely in shajinba reach and makes the right bank a thin and weak ridge, which is a syncline geological structure

    岷江在沙金壩河段形成一個近180的河曲，使右岸形成三面被河曲圍抱的條形山脊，構造上為一完整沙金壩向斜，工程區水工建築物都布置在右岸山脊內。
  3. First, according to measured data and literature, the river channel evolution rule and its reasons in the southern branch of the yangtze river are discussed from the perspectives of historic evolution, recent evolution and the tendency prediction of river channel evolution. besides, the local reservoir has been studied from the changes in thalweg and section as well as the calculation of local erosion and deposit. consequently, the stability and feasibility of reservoir construction in the river section are approved

    首先根據大量實測資料及文獻資料，就歷史變遷、近期演變、河演趨勢預測等方面，初步探討了長江口南支河段河道演變規律及原因，並具體就深泓線的變化、主槽斷面變化、局部沖淤計算等方面對擬建水庫局部區域進行了分析，論證了工程河段建設水庫的穩定性及可行性。
  4. The improved scheme can ensure the south branch to be open to navigation and the flow here not to be broken in low water seasons, and it will have active effect on protecting the south branch and fuyuan town. this study is an attempt of applying three - dimensional mathematical model in analogue calculation and analysis of flow, sediment and riverbed movements in a long river reach. it is very important for the future thorough research, and has great significance for promoting the application of the three - dimensional model to resolve

    本研究是三維數學模型對較長河段水流、泥沙、河床運動模擬計算分析的一次嘗試，其對今後進一步深入研究和應用三維模型解決工程實際問題，完善模擬方法、提高模擬水平，真正發揮數學模型其省時、省力、靈活方便和模擬細膩等在研究水沙運動規律和河床變形等方面研究中優勢具有重要的意義。
  5. The engineering geology condition from the sections of xiangshou county of shiping to dashizhui of hejin of the yellow river were introduced from the aspects relating to geology such as geo morphy, geologic structure, stratum and earthquake were introduced in the paper and the preliminary opinions on the problems of navigation development work were also proposed in the paper

    從地貌、地質構造、地層、地震及有關地質現象等方面，介招黃河石坪（鄉守縣）至河津（大石咀）段工程地質狀況，對該河段在航運開發工作中的問題提出初步意見。
  6. 3. the drop datum of largest water level in researched reaches increases relatively with length increase of dredging channel in definite condition of discharge and sediment and definite dredged sediment quantity or dredged morphology of transversal section

    在一定的水沙條件和一定的挖沙量或一定挖河斷面條件下，隨挖河長度增加，研究西安理工大學工程碩士學位論文河段最大水位降落值相對越大。
  7. With the development of computer technology in hydrographic field, usage of many kinds of advanced and complicate algorithms is not a problem. but because of complexity of geography, acquirement of primitive data needed in hydrographic calculation is still hard to tackle, for example, the length of river segment, the width of every node of every river segment

    隨著計算機技術的發展，在水文學及水資源學科，運用各種先進、復雜的專業演算法求解已經不成問題，但由於地形地貌的復雜性，水文計算中所需的原始資料，如河段的長度，河段各斷面上各個節點處的河寬等數據的人工實地採集工作仍然是很費時費力的事。
  8. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法，在整治河段一維水面曲線計算，單丁壩繞流數值模擬，紊流數學模型在航道整治工程中的應用以及丁壩群附近水流的三維流動特性等方面做了一些初步研究。
  9. Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed

    文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程，在平面二維數值模擬計算的基礎上再進行河工模型試驗，比較分析各防洪整治方案下潼南河段水流條件的變化，及其對上游防洪、河道、大橋、電站、航運、河勢的影響，提出合理可行的工程方案
  10. But in local region it is mainly controlled by the regulating structures. the planar velocity is of the parabola distribution

    模擬結果表明，整治河段水流的流速分佈主要受制於河道的平面兒何形態，局部區域航道整治建築物起主要作用。
  11. For this reason, the comprehensive layout and integrated regulation of the area from zhuqi to kegong in minjiang river are urgently needed, these measures will improve the natural conditions of minjiang river and enhance the ability of flood controlling, shipping and drainage to insure the security of fuzhou

    為此，急需對閩江竹岐至科貢、文山裡河段進行全面規劃和綜合整治。使得在經濟持續高速發展的同時，改善閩江自然條件，提高防洪排澇、通航及取排水等能力，確保福州市防洪安全。
  12. Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river

    在現場查勘的基礎上，通過對丹江口水庫和小浪底水庫攔沙初期下遊河道演變、排洪能力變化特點的對比，分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期，下遊河道發生沖刷，但艾山以下窄河段沖淤變化不大，近年來形成的淤積萎縮的狀況難以很快改觀，游蕩性河段調整劇烈，工程出險機遇增大，河道水位流量關系中水流量以下部分同流量水位明顯降低，中水流量以上部分水位降低幅度可能會明顯偏小，防洪形勢仍不容樂觀。
  13. Ningmeng, longsan reaches and its lower reach are studied as well ; from which the suitable and the minimum eco - environmental water demands for 10 important hydrographic sections of the main stream of the yellow river are put forward at last

    對寧蒙（下河沿頭道拐） 、龍三（龍門三門峽）和下游3個重要河段的河道生態需水量、環境需水量計算方法及生態需水量、環境需水量耦合等問題進行了研究，提出了黃河幹流10個重要水文斷面的適宜生態環境水量和最小生態環境水量。
  14. The water surface lines in the reach from yichang to shashi, downstream of the three gorges, before and after completion of the three gorges reservoir are calculated by using a steady flow sediment model

    在此基礎上，用恆定流泥沙數學模型計算了三峽水庫建庫前後，其下游宜昌~沙市河段的水面線。
  15. 5. based on the physical model, summarized the general mode of river development in excavated segment with its up and lower influence reach after dredging, it means that gradually deposit in dredging segment while wash out in up reach, and the change intensities are weakening as the time goes on

    概括總結出了河段疏浚挖槽后，疏浚挖槽河段及其上下影響河段的河床演變及水面線變化的模式，即挖槽段逐漸回淤，挖槽上游段逐漸沖刷，並且其回淤及沖刷的強度隨時間的推移由大變小。
  16. This text is by way of would rather analyses the yellow river hydrology silt characteristic, river course property of ningmeng as well as after the long liu reservoir application to the influence of meng heduan, the importance would rather to have expounded that train in the ning meng river course. by way of analysing the present situation of the ningmeng course river course management and father, and puts forward the major problem that exists, and carries on corresponding countermeasure research be dead against these problems. according to property and the engineering present situation of river course, engineering experience and the correlation theory are used, to renovates the principle and renovates the scheme and the measure has carried on the analysis research of overall system

    通過分析寧蒙河段河道整治及河道管理的現狀，提出存在的主要問題，並針對這些問題進行相應的對策研究。根據河道的特性和工程現狀，運用工程經驗及相關理論，對整治原則、整治方案和措施進行了全面系統的分析研究；對整治流量、整治河寬和整治半徑進行了分析和計算；對河道整治工程的幾種結構形式進行了分析和評價；提出了具體的整治措施及工程整體布局；對黃河上的幾種新型結構形式進行了特性分析以及功效評價；最後對寧蒙河段今後治理和研究提出了若干建議，並對前景進行了展望。
  17. It shows that the water level in the definite reach is lower than that with same discharges before dredging river, the surface slope on upper reaches dredged is enlarged and deposition load on bed is reduced or eroded

    主要表現在可以引起一定范圍河段內的水位較挖河前同流量下有所降低，開挖上遊河段水面比降增大，床面淤積量有所減少或發生沖刷。
  18. The comprehensive analysis shows that the annual mean fill of 61. 6 million tons occurred in sanshenggong - toudaoguai section in inner mongolia during 1986 ~ 2004 period is basically reliable and the main channel fill makes up more than 80 % of the whole section

    綜合分析表明， 1986 ~ 2004年內蒙古三盛公頭道拐河段年均淤積量為0 . 616億t是基本可靠的，而主槽的淤積量佔全斷面的80 %以上。
  19. In 2003, a 330 - metre section of tung chung stream was damaged by illegal excavation work by a sub - contractor supplying boulders to disneyland. after months of intense restoration effort the stream was back to life. however, the current threats facing by the stream may be even worst than the excavation incident

    2003年，其中一段330米長的河段遭向迪士尼供應石塊的副承建商非法採石工程破壞，經過多個月艱鉅的修復工程后才回復生氣，然而今次河流面對的威脅可能比挖石事件更為嚴重。
  20. The paper calculates the volume of scour and fill of the inner mongolia section of the yellow river respectively through the observed data of cross sections, coming sediment and variations of water level with same discharge and the results are basically the same

    摘要通過實測斷面資料、來沙量資料和同流量水位的變化等，對黃河內蒙古河段的沖淤量分別進行了估算，其結果基本一致。
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