運河床 的英文怎麼說

中文拼音 [yùnchuáng]
運河床 英文
canal bed
  • : 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...
  • : 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...
  • : 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...
  • 河床 : riverbed; bed; poised river; [英方] waterstead; cauce
  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動,而大部分時間則停歇在上。
  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段水流、泥沙、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動規律和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為主的顯式相關系式和以推移質造為主的顯式相關系式。
  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下遊道的沖淤演變規律,分析研究表明:建庫前渭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,渭下遊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用造成的,近期不利的水沙條件加劇了潼關的抬升速度和渭下游的淤積。
  6. With a sudden twitch and lurch, he terminated the sheer and bore off to the right along a sort of canal, one bank of which was the bed, the other the table

    等他匆匆一歪一蹶,不再拐彎,便得沿著「」再往右彎, 「」的此岸是,彼岸是桌子。
  7. 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段不同流量水流動,並計算一水文年過程該段的沖淤變化,結果和實測資料也基本一致。
  8. 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

    用此模型對尚在立項中的「劉家峽水庫增建洮口排沙洞方案」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物理模型試驗結果。
  9. On the same day that the u. s. and soviet union were attempting to extinguish each other, a company of u. s

    同一天美利堅與蘇維埃聯盟都試圖抹消彼此的存在,一隊美國軍隊的工程師正在西南的沙漠中的乾涸之上建築輸用的橋梁。
  10. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明: 20世紀60年代下荊江裁彎后,三口(松滋口、太平口、藕池口)分流分沙減少,下荊江徑流量和輸沙量相應增加,洞庭湖泥沙淤積減少; 80年代中期以後,長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢,城陵磯至武漢由淤積轉為趨向沖淤平衡;三峽工程初期蓄水用后,長江中游含沙量沿程恢復距離較長,但沙質部分恢復距離相對較短。
  11. 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

    摘要沖積性流的在輸水輸沙過程中,調節流量及含沙量和泥沙組成(調水調沙)可以調節水力幾何形態和水流挾沙力,追求水沙輸演變的相對平衡。
  12. Feasiblity research on harbear and lane engineering, especially skilled in analyzing the development of riverbed ; consulting, managing and training on highway, water transprot gngineer

    港航工程可行性研究,重點擅長演變分析工作;公路工程,水工程監理管理及培訓工作。
  13. 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

    在北遷過程中,由於構造上升,流下切明顯,下降約6 3米,相應的洪水水位也不斷的下降,指示新構造動發生了強烈上升。
  14. The dissertation focus on the main conflict of flow and sediment change, by analyzing the flow and sediment features, and change in rivercourse of typical period in histry, collecting the data of riverbed change. according to the flow and sediment change condition, combining the existed water works, and based on the results of former researches, the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project, which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi, from shendi to tieqiao near zhengzhou, from tieqiao near zhengzhou to dongbatou, from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020. the result may provide some reference for flood control of these wangdering river sections, and some guidelines for planning of water projects and arrangement of project sequence

    本課題緊緊抓住小浪底水庫用后水沙變化這一主要矛盾,通過分析研究以往典型時期的水沙特點和道演變特點,收集分析邊界條件變化資料,小浪底水庫用后水沙資料變化,結合現有道整治工程建設情況,總結前人的研究成果,重點研究三門峽水庫用後下遊勢變化的規律和特點,探索小浪底水庫用後下遊勢變化情況,分析預測游蕩性道鐵謝至神堤、神堤至鄭州鐵橋、鄭州鐵橋至東壩頭、東壩頭至高村等各個段在2010年, 2010年至2020年期間的勢變化趨勢,為分析游蕩性段的防洪形勢,指導道整治工程建設的規劃和工程安排提供決策參考和依據。
  15. 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。
  16. In the light of the low - lying pile cap foundations designed for main piers no. 2 and no. 3 of tianluo bridge on wenzhou - fuzhou railway. this paper describes the ways to resolve the construction problems of the foundations in deep water in sea and at seabed that is steep and without overburden, using the construction techniques of underwater rock blasting, steel cofferdam floating, positioning, bottom sealing and manual pile digging

    摘要針對溫福鐵路田螺大橋2號、 3號主墩設計上採用低樁承臺基礎情況,介紹用水下巖石爆破,浮鋼圍堰就位、封底、人工挖孔樁等施工技術解決海上深水、陡峭且無覆蓋層的基礎施工難題。
  17. Based on the analyses of the flow and sediment characteristics and evolution trend of the river bed of the fuling reach in the yangtze river before and after the impoundment of the three gorges reservoir, the water level, velocity variation and influenced range in the fuling reach before and fifty years after the operation of the three gorges reservoir with the construction of the fuling dock and four discharge combinations are calculated by using a two - dimensional flow mathematic model

    摘要在分析長江涪陵段的水沙特性和三峽水庫蓄水前後該演變趨勢的基礎上,用二維水流數學模型,分析了4種流量組合情況下在三峽水庫用前和用50年,涪陵港區碼頭修建前後的水位、流速變化及其影響范圍。
  18. Secondly, according to the field data in jinmahe river, variety of gravel size distribution along the river was analyzed

    用金馬坑測資料,分析了卵石級配沿程的變化規律,其定量表達見( 4
  19. Study on bed evolution of fuling reach in three gorges reservoir district

    三峽水庫行后涪陵演變試驗研究
  20. 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

    提出了泥沙交換和粗化計算模擬的物理圖案,對長系列水動力和泥沙動進行了模化處理。
分享友人