現有河道 的英文怎麼說

中文拼音 [xiànyǒudào]
現有河道 英文
existing waterway
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 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名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 現有 : now available; existing
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  1. Therdly because of the influence of terrain and geological structure, arenaceous resources of different regions are different in mu us. sands are mainly from riverway in northwest ; from efflorescent cretaceous sandstone on account of higher topography in the middle part of mu us ; and sands resources are intricated in southeast, mainly including riverway sands, sands blown by the wind and embedded sands under so

    3 、毛烏素沙地因受地形和地質構造影響,不同區域的砂質來源情況不盡相同,西北部地區主要為沙;中部地區地勢較高,為白堊系基巖裸露而風化成沙;東南部地區沙質來源情況復雜,主要砂、風積沙、也埋藏在代壤土之下的出露古沙。
  2. The bifurcated channel is a common river type, and there exists realistic meaning for the study on the division characteristics of the bifurcated channel

    分汊是一種常見的型,其特性研究在整治工程中著重要的實意義。
  3. By using the yearly data of water - sand that is gotten by a couple of adjacent hydrologic station in yellow river lower reaches, this paper makes use of kinds of math methods looking for the nonlinear disturbance among all of the factors, and introduces the thinking of analysis, logic, conclusion, inference, and random to nonlinear hydrologic forecasting. it realizes the valid approximation of the water level process in erodible - bed channel

    本文選擇黃下游兩對相鄰水文站多年水沙資料,藉助多種數學方法尋找其中的非線性擾動項,將隨機數學中分析、邏輯、歸納、演繹、隨機的思考問題方式引入到非線性水文預報中,實沖淤相應水位過程的效擬合。
  4. By analyzing on nature, society and economy conditions as well as distribution characteristics of sand source in the lower lhasa river valley, put forward a series of comprehensive renovation scheme to harness sand sources, mainly including dredging channel, planting farmland shelter - forest network, constructing arbor - bush - herb shelter forest and shifting sand stabilization, this scheme will not only control blown - sand threat, and improve local ecological environment ; at the same time, also lay the strong foundation for enlarging lhasa city space and effectively utilizing local resource, embody a sustainable thought on how to make comprehensive renovation in high cold valley region

    摘要在深入分析本區自然社會經濟條件和風沙源分佈特徵基礎上,提出把拉薩下遊疏浚與風沙源治理相結合,以疏浚、農田防護林、喬灌草防風護沙林和流沙固定等物理工程、生物和機械措施為主體,進行風沙源綜合整治,一方面可效控制風沙災害的威脅,改善谷區生態環境,同時為拉薩市城市空間發展和當地資源的效利用奠定了基礎,體了在高寒谷區進行風沙源綜合整治的可持續性思路。
  5. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    入海水口段水位值橫向分佈相差無幾,而流速的橫向變化較大,泓灘平均流速差最大可達一倍以上,在的分流口設計條件下,若按設計的南北汊分流比,南分流口壅水象發生,如果南汊分流增大到800m ~ 3 / s左右時,則水流較為通暢。
  6. ( 4 ) the dike breach risk of the south bank is relative higher in wandering reaches. ( 5 ) the dike breach risk of the north bank is higher than the south bank in winding reaches. simultaneously, the evaluation results manifest that the evaluation indexes system established from the locomotion of incoming water and sediment load, the regional crustal stability, the evolvement of river regime and the stability of river dikes, can reflect the actual situation of hang river in the lower yellow river more fully

    評價結果同時表明,從水沙運動、區域地殼穩定性、勢演變和堤防穩定性4個方面建立評價指標體系,能夠更加全面的反映黃下游懸的實際情況;運用多層次模糊綜合評判法能夠較好地解決影響因素眾多、作用機制復雜的懸決溢風險問題;運用gis技術強大的空間分析功能,使黃下游懸不同空間位置的決溢風險得到了量化,可以客觀地反映黃下遊不同空間位置決溢風險的差別,對于指導防洪和治理的實踐具重要的實意義。
  7. How to ensure the project implement safely and effectively, esp in the complicated condition of geology, the terrain and its features, is the key to restrict the project finishing successfully ; in this paper, the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ), adopt the method of theoretical analyse, caculater and experiment, improve the controlling blasting skill and construction crafr of roadbed stonework, control the blasting harm effectively, accomplish the construction quickly and safely in normal conditions. the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting, and raises the combination of beforecrack demolition and buffer demolition, which is the main way to conctrol the side - slope stable and taking shape. putting to use the achievement produces great social benifet and economic benefitjt has widely practical future

    特別是在復雜的地質,地形及地物條件下,如何保證工程的安全快速效實施成為制約工程順利完成的關鍵。本文的理論分析和實踐研究以國309北武安至涉縣段改建工程為依託,採用理論分析計算與場試驗相結合的方法,研究並優化了路基石方控制爆破技術與施工工藝,效控制了爆破危害,實了保證公路正常運營條件下的快速安全施工,本文提出了在預裂爆破中適合於路基擴塹工程的關參數。同時提出了預裂爆破與緩沖爆破相結合是控制邊坡穩定和成形的主要途徑。
  8. 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本研究目的的關鍵.本研究採用的模型在的水質模型基礎上所改進,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水質的影響是實用效的
  9. 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本研究目的的關鍵.本研究採用的模型在的水質模型基礎上所改進,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水質的影響是實用效的
  10. First the author memorized the yellow river excavation history and concluded development of modern dredging science, and found that most researches of dredging are related to navigation regulation, little used to flood control especially in the yellow river with silty. based on the experiment of generalized physical model of the lower reach of the yellow river, and the study of the loaden flow mechanism and the dredging efficiency, the author get some new ideas as follows : 1

    通過對黃疏浚的歷史以及代疏浚工程學的發展進行了回顧和總結,認為已的疏浚研究大多基於航疏浚工程,對于防洪疏浚特別是在黃這種多沙型流上進行防洪疏浚的研究極為欠缺,本文基於黃下遊概化模型試驗,對疏浚挖槽后水沙運動機理及效果等進行了研究,得到以下認識。
  11. Which type of lrt is appropriate ? what conditions are required ? also, in the process of planning an lrt system so that its lines, stations, and surrounding urban living space can be integrated with public art and the environment, how will the planning and design coordination mechanism be established

    輕軌臨港環線建議路線,大部分利用之臨港線鐵路路權,部分利用路,全線長度約17 . 12公里,其中通過路寬較窄之五福四路路段,繫於五福四路與西路布設單軌之設計方式,長約3 . 14公里。
  12. A fusion reasoning frame based on cbr and rbr is put forward, and a pre - dss is designed and developed based on the frame

    將以黃地區碭山酥梨黑星病為例進行測試的數據,與方法以及實測數據進行相關性統計分析。
  13. 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運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演變特點,收集分析床邊界條件變化資料,小浪底水庫運用后水沙資料變化,結合現有河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運用後下遊勢變化的規律和特點,探索小浪底水庫運用後下遊勢變化情況,分析預測游蕩性鐵謝至神堤、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,指導整治工程建設的規劃和工程安排提供決策參考和依據。
  14. The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact

    軟基上的仰斜式擋土墻在水利工程護岸中經常遇到,仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中關計算參數的選擇、公式的選用應該注意的問題進行了研究,對護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟效益。
  15. In this paper, the study status about freeze - up of domestic and overseas was discussed first, then based on thermodynamic theories and river ice hydraulic theories, using the observed data to calculate parameters, the freeze - up forecasting mathematical model in inner mongolia reach was established. in the model, the calculating method of heat exchanging coefficient was perfected properly, and the river characteristics was quantified for the first time. the forecasting result indicated that the model precision is high, and the freeze - up forecasting formula is all - purposed

    本文首先論述了國內外關封研究的狀,然後在此基礎上針對存在問題,以熱力學理論及冰水力學理論為基礎,利用實測資料率定參數,建立了內蒙古段封預報數學模型,其中對熱交換系數的計算進行適當的修改,並將條件量化考慮進封預報數學模型中,證明預報精確度高,且各段預報公式具通用性。
  16. Observe the bookshelf carefully, find that there are two very suspicious places, utilize the wooden ladder to investigate these two places, find two classics, one is originally the research regarding the energy of the world is distributed, say above whole world spread all over lines of energy, the point of intersect of the line intersection point of energy is the place where energy is gathered, three pieces of energy are held in the world a bit most, stone burst, duncan river district, south america capital of peru to lie in north america new england to lie in britain ; another guide of duncan river book originally, inside copy, state duncan cliff district of river there are intricate underpasses, some can still pass through so far

    仔細觀察書架,發兩處地方很可疑,利用木梯調查這兩個地方,找到兩本書典,一本是關於世界能量分佈的研究,上面說整個世界遍布著能量線,而能量線相交處的交點則是能量聚集的地方,世界上三個能量最盛點,分別是位於英國的石陣、位於北美新英格蘭(英國殖民地)的鄧肯地區、南美秘魯的首都;另一本是鄧肯向導書,裏面描述說鄧肯的懸崖地區錯綜復雜的地下通些至今仍能通行。
  17. In 1994, the ternpc got the only creative prize of agriculture science in the first ningxia patent exhibition, and the golden medal of the first agriculture science and technology achievement exhibition of china, held by the cstc chinese science and technique committee and shanxi province. in 1996, it was listed in the major plan of science and technique spreading by nstc

    總的來說,西部的生態環境特別是西北地方砍伐,水土流失,土地沙漠化的問題十分嚴重,由於生態環境惡化,造成湖泊乾涸,下遊斷流,土壤次生鹽化面積不斷擴大,沙塵暴頻繁增加,天然林場草場在面積退化,如果這些問題不能起到效控制,環境的惡化很難逆轉,的綠州也很難利用。
  18. The first part mainly introduces the gis concept and contents of gis, the comparison between the related software and gis, the present condition and development trend of gis etc, then introduced how to use the gis technique in a specific way such as using the method of " the half - automatic to follow " to turn the map into arithmetic figure, using the method of " the automatic calculates " gets the length of the line and area of field etc, at last got the length and width of every cross section of the fabiela river which is located downstream of xiangshan mountain. this method is superior and time - saving comparing with collecting data on the spot, having important and actual application worth

    第一部分主要介紹了gis的概念和研究內容, gis與相關軟體的比較以及gis的狀、發展趨勢、當前gis研究的熱點等等,然後具體介紹了用gis的相關技術如:用「半自動跟蹤」方法對地圖進行數字化,用「自動量算」方法得到線對象的長度、面對象的面積等,最終完成了象山水庫下游法別拉地形數據資料的提取工作,這種方法與人工實地採集工作相比,較強的優越性和重要的實際應用價值。
  19. 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,對減少洪水災害具重要的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: 1 、系統設計; 2 、系統洪水預報模型; 3 、系統實時校正模型; 4 、系統洪水演進模型; 5 、系統水庫調度模型。
  20. Now there were only patches of grain on the bare hillsides and on each side of the water-courses.

    在光禿的山坡上和兩側只零星的幾塊莊稼地。
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