河道容量 的英文怎麼說

中文拼音 [dàoróngliáng]
河道容量 英文
cha elcapacity
  • : 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) ...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  1. 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有機地結合,選取水環境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現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,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有效的
  2. 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有機地結合,選取水環境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現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,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有效的
  3. The deposition of sediment in channels decreases the channel capacity and the flood-carrying capacity.

    泥沙淤積在內,減少了和泄洪能力。
  4. Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered

    取水工程的布設要考慮工程所處段的地質水文等諸多因素。如該段上下游水庫的庫,泄水流沖刷、淤積、床形態、水流形態、冰塞、段上游的支流匯入、洪峰、沙峰的大小、行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。
  5. 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演變、排洪能力變化特點的對比,分析了黃下游防洪面臨的新形勢:小浪底水庫攔沙初期,下遊發生沖刷,但艾山以下窄段沖淤變化不大,近年來形成的淤積萎縮的狀況難以很快改觀,游蕩性段調整劇烈,工程出險機遇增大,水位流關系中水流以下部分同流水位明顯降低,中水流以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不樂觀。
  6. 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有關計算參數的選擇、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,並對有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的分析。最後利用現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。
  7. 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, gis與相關軟體的比較以及gis的現狀、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,有較強的優越性和重要的實際應用價值。
  8. It is important to note that any excess demands could transfer to alternative choices ( river or rail ), and that the road capacity is a restraint on user choice rather than total movements

    值得注意的是,超出的需求將可轉移至其他運輸模式(內或鐵路) ,故只會限制運輸模式的選擇,而不會影響整體運輸
  9. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質譜經過長時間的動力學演化都會得到和現在銀系觀測到的球狀星團系統相符的對數高斯的質分佈;動力學演化會明顯地改變球狀星團系統的空間密度分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈,初始擁有較大軌偏心率的球狀星團更易瓦解。
  10. These rivers have not shown such positive gains over the past two decades as those achieved by the rivers indus and beas. the pollution load of the rivers has certainly been significantly reduced as a result of the livestock waste control scheme and implementation of wpco controls after december 1990. however, large numbers of farms remain in the catchments of the river ganges, yuen long creek, the kam tin river and tin shui wai nullah

    天水圍明渠及錦銹花園明渠的水質近年來並沒有像梧桐和雙魚一樣顯著地改善,雖然政府於1990年12月推行了禽畜廢物管制計劃及實施水污染管制條例,的污染有所減少,但平原元朗錦田及天水圍明渠集水區一帶尚有許多禽畜農場,加上區內不少鄉村尚未設有公共污水管,因此污染問題並不易解決。
  11. Based on the results of the study about the geological background in this area, this paper has discussed about the sedimentation facies marks for the fan delta in baimiao gas field, worked out a detailed proposal about the development of physical simulation experiment about the fan delta, and described in detail the general laws and major controlling factors governing the sedimentation processes of the fan delta. a detailed measurement was made about the experimental results, and a systematic comparison was made relative to the prototypic characteristics. based on the observation and description about the experimental processes and the analyses about the experimental results, this paper has given detailed

    在地質背景研究的基礎上,對白廟氣田扇三角洲沉積相標志進行了論述,在此基礎上,制定了開展扇三角洲物理模擬實驗的詳細方案,詳細描述了扇三角洲沉積過程的一般規律及主要控制因素;對實驗結果進行詳細的測,並與原型特徵進行了系統的對比,根據實驗過程觀察描述和實驗結果分析,詳細劃分了白廟氣田扇三角洲的巖石相類型及沉積微相;分22個砂層組完成了沉積微相尤其是扇三角洲上辮狀展布規律的研究,分不同時期指出了22個砂層組砂體分佈規律,為儲層預測及該地區滾動勘探奠定了基礎,這是本論文的重點內之一。
  12. The theory and method, such as analytic hierarchy process, grey system and so on, together with the knowledge of embankment engineering, are introduced into the thesis, which performs relatively detailed study on method of comprehensive safety assessment, synthesis assessment structure system, method of measuring assessment index and the precautionary mode of safety evaluation of the levee engineering

    本文以堤防工程為主要研究對象,應用層次分析、灰色系統等理論和方法,對堤防工程的安全綜合評價方法、綜合評價結構體系、評價指標度方法以及堤防工程安全預警模式等方面內進行了深入的分析研究。
  13. And, the economic importance of the canal is set to increase with the governments of shandong, jiangsu and zhejiang provinces planning to invest $ 2. 56 billion on dredging by 2010, a move that was aimed to increase shipping capacity by 40 percent, according to official media reports

    並且,根據官方媒體報,運在經濟上的重要性將使山東、江蘇以及浙江政府計劃斥資25 . 6億美元在2010年前進行疏浚,此舉將會使整個運的運輸增加40 % 。
分享友人