河床運動 的英文怎麼說

中文拼音 [héchuángyùndòng]
河床運動 英文
bed movement
  • 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...
  • 床 : i 名1 （供人睡覺的傢具） bed; couch 2 （像床的器具、地面） something shaped like a bed Ⅱ量詞（用...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 河床 : riverbed; bed; poised river; [英方] waterstead; cauce
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. Bed load particles move spasmodically, perhaps at long intervals, and are at rest on the stream bed most of the time.

    推移質顆粒多半作間歇運動，而大部分時間則停歇在河床上。
  2. The weser estuary in germany, with broad beaches, lots of sand bars and many tributaries, is characterized with a great quantity of sediment transport due to tidal current ' s movement in the fluvial bed of fine sediment

    摘要德國威悉河口灘地寬廣，有無數的沙洲和許多大的分流，潮流在主要為細沙的沖積河床中運動，泥沙輸移量極大。
  3. 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。
  4. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    （ 3 ）基於最小能耗率原理，以水流能耗率作為目標函數，以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件，通過對目標函數求條件極值，分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。
  5. By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently

    然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律，分析研究表明：建庫前渭河下游主槽處于動態沖淤平衡狀態，灘地處于微淤狀態；建庫后，渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的；潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的，近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。
  6. The mathematical model was applied to serve the engineering projects. the different water levels and flow discharges in nanjing river reach are calculated, bed scour and sedimentation in this engineering reach during one hydrologic year are verified. all results are in good agreement with field measurements

    西氣東輸過江工程，採用該模型模擬南京西壩泗源溝河段不同流量水流運動，並計算一水文年過程該河段的河床沖淤變化，結果和實測資料也基本一致。
  7. In addition, the application of the present model to the " design of new sediment sluice at the taohe mouth in the liujiaxia reservoir " supports the experimental results conducted by the department of sediment research, iwhr

    在運用此模型對尚在立項中的「劉家峽水庫增建洮河口排沙洞方案」進行計算時，計算結果支持了中國水利水電科學研究院泥沙研究所的動床物理模型試驗結果。
  8. In the course of north moving, weihe river downcut clearly and the riverbed of weihe river descended about 6. 3m because of the ascending of the new conformation

    渭河在北遷過程中，由於構造上升，河流下切明顯，河床下降約6 3米，相應的洪水水位也不斷的下降，指示新構造運動發生了強烈上升。
  9. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數，其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到，這個系數能反映河床底質結構及固結程度，通過系列數值試驗和實測資料的統計分析確定。
  10. The plane scale of model was 500, vertical scale was 60 and varied ratio was 8 : 33. the contrast trial. utilizing trial of long series and typical flood test have been conducted

    東莊水利樞紐渭河下遊河道動床物理模型選定平面比尺為500 ，垂直比尺為60 ，變率為8 . 33 ，在此模型上進行了水庫運用對比試驗、長系列運用試驗以及典型洪水試驗。
  11. Thus, whether the building and putting in use of dong zhuang reservoir will result in sediment deposits worsen of lower wei - river ? so it is very important to conduct the movable bed physical model about dong zhung water conservancy hub on river bed of lower wei - river

    那麼東莊水庫的修建和運用，是否會造成渭河下游淤積狀況的惡化，進行東莊水利樞紐對渭河下遊河道動床物理模型試驗研究就顯得尤為重要。
  12. The physical pattern of sediment exchange and bed coarsening simulation was put forward, and long - term data on hydraulic - dynamics and sediment motions were modeled

    提出了泥沙交換和河床粗化計算模擬的物理圖案，對長系列水動力和泥沙運動進行了模化處理。
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