排水流域 的英文怎麼說

中文拼音 [bèishuǐliúyù]
排水流域 英文
drainage catchment
  • 排 : 排構詞成分。
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 排水 : drain off water; drain away water; dewatering
  • 流域 : [水文] watershed; basin; drainage area; catchpit; catchment area; drainage basin; feeding ground;...
  1. But now it ' s urgent to adopt new methods for calculating the head loss of regional drainage due to some factors such as long length, large flow quantity and probable strong topographic change

    由於存在管線長、流量大以及區域地形變化幅度可能較大等因素，建設區域排水系統需要採用新的方法較為準確地計算水頭損失。
  2. All the methods can calculate the flood based on the storm data. the software can be used in henan province. additionally, the rational formula method and the plain drainage method can be used in other regions near henan province, even farther regions

    軟體包括推理公式法、單位線法、平原排澇公式法三種由暴雨資料推求設計洪水的計算方法，除了適用於河南省中小流域設計洪水外，推理公式演算法、平原區排澇公式演算法也可在鄰近省市和更大的范圍內推廣使用。
  3. The model is known as the maximization of total allowable waste load, subject to meeting water quality standards at checkpoints along the river

    模型以總的允許排污量最大為目標函數，流域的水質控制點達標為約束條件。
  4. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  5. It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.

    該水域的水力學條件發生變化，水流速度減緩，岸邊污染帶加寬，水體的環境容量降低；三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故排放；成庫期內庫區城鎮污水的治理很難達到水質要求，以及三峽庫區目前較低的經濟和城鎮化水平制約，庫區城鎮供水面臨的水環境問題日漸突出。
  6. The plans will be carried out in different stages, which involves 11 key projects, including : taipu river, wangyu river, dyke around the taihu lake, south - drainage in hangjiahu plain, water drainage and diversion in huxi, hongqitong, flood control in east - west tiaoxi, water drainage and diversion in wuchengxi, enlarging lanlugang, dredging liuhe and xietang, north drainage in hangjiahu, and flood prevention in the upper stream of huangpu river

    該方案以流域防洪除澇為主，統籌兼顧供水，航運和環境保護等方面的利益，計劃分期實施包括太浦河、望虞河、環太湖大堤、杭嘉湖南排、湖西引排、紅旗塘、東西苕溪防洪、武澄錫引排、擴大攔路港疏浚泖河及斜塘、杭嘉湖北排通道及黃浦江上游防洪工程等十一項骨幹工程。
  7. It is verified by the observed data of xianing port area in changsha city that the model is of high accuracy, with the greatest relative error of the peak flow of only 7. 85 %, thus can be used in runoff simulation of harbor rainfall drainage system

    經長沙市霞凝港區的實測資料檢驗，證明該模型在港區小流域的雨洪分析中有較高的精度，洪峰流量最大相對誤差僅為7 . 85 % ，可用於港區雨水排水的徑流模擬。
  8. Large - scale changes of landscape structure cause the degradation of functions of storage and drainage in watershed wetland, which are reflected by loss of flood holding capacity, increase of surface runoff and decrease of confluence time etc

    景觀結構的巨大改變引起了流域濕地貯、排水功能的衰退，主要表現為滯洪、消能空間的喪失，徑流量的增加和匯水時間縮短等。
  9. A study on the variation and forecasting models of groundwater level and draining waterlogging in cultivated soil layers in the jianghuai valley

    江淮流域地下水位變化規律及預報模型與耕作層排漬模型研究
  10. Plastic pipes, known for low losses, energy conservation, material saving, environment friendliness, and convenience for contruction, now has been the leading force for urban construaction network in 21st century with its extensive application in a wide range of fields such as building drainage, urban drainage, and gas pipe

    憑著塑料管材有水流損失小、節能、節材、保護生態、施工便捷等優點，廣泛應用於建築給排水、城鎮給排水以及燃氣管等領域，成為新世紀城市建設管網的主力軍。
  11. Technical memorandum - standards for effluents discharged into drainage and sewerage systems, inland and coastal waters

    技術備忘錄:排放入排水及排污系統內陸及海岸水域的流出物的標準
  12. As a local public enterprise, the bureau of sewerage supports the cycle of water in tokyo in order to maintain a healthy environment and facilitate normal urban activities. the bureau is responsible for public sewerage management including disposal and treatment operations in the ward area. in the tama area, the bureau manages river based sewerage systems by treating sewage emitted by public sewer systems in local municipalities

    作為一個地方公營企業，下水道局支撐著東京的水循環，為了保持一個健康的環境，方便正常的都市生活和協調的都市活動，下水道局既負責特別行政區區域的污水排放和處理事務也負責多摩地區的從市町公共下水道流出的污水處理的流域下水道事務。
  13. To reasonably plan out the scheme for the sewage discharge outlets of changshu fluorine chemical industry project, the article makes an ana lysis on the water environmental features of changshu section of the yangtze riv e, develops a plan two - dimensional model of coupled water flow - quality for its co mplicated underwater topography and stream flow - field. the model is relatively ac curate and practicable to predict the impact of scheme on water quality. varied s chemes have been compared and demonstrated from multiple angles, such as flow fie ld, impact assessment of water quality, technique and economy. the scheme of sewage discharge outlets away from the shore is recommended. the article provides a sci entific basis for the engineering design and envirommental management of the pro ject

    為合理確定常熟氟化工項目排污口布置方案，本文在分析長江常熱段水環境特徵的基礎上，針對其復雜的水下地形和水流流場，建立了較為準確和實用的平面二維水流水質耦合數學模型，預測計算了三套方案污水對重點保護水域影響程度和范圍，並從水流流場、水質影響評價、技術經濟多角度對方案進行了比較論證，最終推薦污水江中排放的方案，為項目的工程設計和環境管理提供了科學依據。
  14. Simultaneously, it is proved that not only the water resources in a river basin is to be overused, but also the social welfare for the whole basin concerned is not to be optimized under the condition of the water right short of exclusivity or the water right system designed imperfectly

    同時證明，在缺乏排他性水權或水權制度設計不盡完善的情況下，流域水資源不僅可能被過度利用，而且全流域社會福利將不能達到最優。
  15. Species diversity dominance niche community ordination and classificationx population spatial pattern in desert - oasis ecotone in fukang, along with their relation to soil factors, are analyzed by quantitative vegetation analyze methods. the characteristic x dynamic of landscape ecological pattern and their influence factors are also analyzed by the partition of landscape transect. oasis stability is primary explored by the successive observation of soil water and salt in sangonghe basin in fukang

    採用植被數量分析方法，分析了荒漠綠洲過渡帶植物群落的物種多樣性、優勢種生態位、群落排序與分類、種群空間格局，以及它們與土壤因子之間的關系；通過劃分景觀樣帶，分析了阜康土地利用景觀生態格局的特徵、動態及其影響因子；通過阜康三工河流域土壤水鹽的動態觀測，對于綠洲穩定性進行了初步探索。
  16. After a comprehensive review on the study of sediment density current in the recent several decades, a set of differential equations for 2 - d density current under double - layer computational mode is established. by simplifying th. set of equations, a 2 - d numerical simulation of sediment density current and sediment outflow has been made in the liujiaxia reservoir in the yellow river basin, and the result is reasonable

    本論文在對異重流運動近幾十年來的研究成果進行較系統、全面論述的基礎上，針對目前研究較為前沿的異重流運動數值模擬問題，提出了一套二維異重流雙層計算模式下的基本方程，並在這套方程簡化的基礎上，對黃河流域劉家峽水庫中的異重流運動和排沙進行了二維數值模擬，結果令人較為滿意。
  17. Arrangement of flood way out in liaohe river basin

    遼河流域洪水出路安排
  18. Based on comprehensive investigation to hydrology present situation, quantity and distribution of pollutional sources, drainage situation of waste water and water ' s pollution matters, location distribution of drainage of waste water, quality of river water and underground water, drainage pipe system and environmental hygiene in eastern city - guarding river valley, the author exhaustively analyzes the cause of exsiting environmental problems and provides suggestions in comprehensive administration of eastern city - guarding river

    摘要在對東護城河流域水文現狀、污染源數量及分佈、廢水及污染物排放情況、排污口分佈、河流水質、地下水水質、流域內排水管網和環境衛生狀況進行認真調查的基礎上，對其存在的環境問題及其成因進行了詳細分析，並提出了具體的流域綜合治理建議。
  19. On the basis of analysis on wastewater pollution and water quality monitoring in the shaxi river basin, countermeasures are proposed in order to solve the existing problems, including adjusting industrial structure and rationally arranging industrial allocation, integrated treatment and water environment improvement, total discharge control, fulfilling the benign circulation of water environment, improving the monitoring net and capability, optimizing the allocation of water resources and water environment quality, hastening the construction of sewage treatment plants, and making the water quality of the effluents reach the national standard

    摘要在分析沙溪流域廢污水排放、水質監測等情況的基礎上，針對流域水環境存在問題，提出了沙溪流域水環境對策措施：調整產業結構，合理工業布局；實施綜合治理，改善水環境；實行總量控制，實現水環境良性循環；完善監測網路，提高監測能力；優化水資源配置方式，改善水環境質量；加快污水處理廠建設，實現達標排放。
  20. Further, in light of the mathematic functions among price, efficiency and equity, the effects / impacts of water pricing methodologies on efficiency and equity in water resources reallocation have been analyzed, the results are that different pricing methods have distinguish impacts on efficiency for water resources uses while they have few impacts on equity for incomes due to reallocation of water resources. fourthly, because the regional water resources have some features of river basin, an integrated water resources management ( iwrm ) has been suggested for the efficient management of regional water resources, where the basic criteria and intensions of iwrm have been analyzed. in order to the iwrm for regional water resources, the enabling environments, the institutional roles and the management instruments will be needed

    再根據交易中的水價與效率及公平性關系的數學模型，分析不同的水價制定方法對水資源再分配（水權交易）的效率與公平性影響，提出的不同的定價方法對水資源使用效率有顯著影響，而對公平性基本沒有影響；針對區域水資源具有流域特徵的實際情況，提出了區域水資源綜合管理（ iwrm ）的模式，分析了iwrm的基本原則和包含的內容，進行了為實施iwrm的關鍵措施和體制安排，要實現區域水資源的綜合管理就必須具有寬松的環境、充分發揮管理機構的作用和靈活運用先進的管理手段；根據區域水資源的特點和可持續利用原則，進行了區域張仁田:區域水資源可持續利用研究水資源開發利用戰略方針的研究，按照制定的19項戰略方針，對一特定的區域進行了不同水用戶水資源需水量的中、長期預測，其中包括生態環境需水量，並採用iqqm模型進行供需平衡分析，提出在工程設施保證、技術措施和體制及法律保障到位的情況下，遠期能夠實現供需平衡。
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