river channel 中文意思是什麼

river channel 解釋
船舶航道
  • river : n 1 河，江。 Rriver Thames 或 the R Thames 泰晤士河； the Hudson R 〈美國〉哈得孫河。 the Rriver ...
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  1. First, according to measured data and literature, the river channel evolution rule and its reasons in the southern branch of the yangtze river are discussed from the perspectives of historic evolution, recent evolution and the tendency prediction of river channel evolution. besides, the local reservoir has been studied from the changes in thalweg and section as well as the calculation of local erosion and deposit. consequently, the stability and feasibility of reservoir construction in the river section are approved

    首先根據大量實測資料及文獻資料，就歷史變遷、近期演變、河演趨勢預測等方面，初步探討了長江口南支河段河道演變規律及原因，並具體就深泓線的變化、主槽斷面變化、局部沖淤計算等方面對擬建水庫局部區域進行了分析，論證了工程河段建設水庫的穩定性及可行性。
  2. By modeling of " y " - shaped junction of the compound river channel with an intersection angle 90, the flow velocity and water level at the junction were obtained by use of the acoustic doppler velocimeter ( adv ) and point gauges

    摘要通過製作交匯角為90的復式斷面河道" y "型交匯河口模型，利用三維聲學多普勒流速儀（ adv ）和測針獲取流速及水位數據，對支流河口處的水流流態包括水面形態、水流流速和水流分區進行分析。
  3. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  4. In response to press enquiries on the " green ribbon hand - in - hand surrounding shing mun river " action by residents of park view garden and granville garden against the construction of the shing mun river channel bridge, a spokesman for the territory development department ( tdd ) reiterated today ( june 27 ) that the government needs to provide the bridge and the associated road gyratory system in heung fan liu street and mei tin road to cope with the growing traffic demand there

    就新聞界查詢翠景花園及恆峰花園居民反對興建城門河行車天橋而舉行的綠絲帶手牽手圍繞城門河行動，拓展署發言人今日（六月二十七日）重申政府有需要適時完成該行車橋的工程，以及位於香粉寮街及美田路的交通環回系統，以應付區內增加的交通流量。
  5. Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition

    長江河口段為潮流河段，徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜，開展防洪影響評價研究時，河道演變及工程段穩定性分析，設計潮位的分析計算，洪潮組合方案擬定，工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法，需要進一步研究的課題。
  6. The paper discusses the methods of multi - objective ecological operation of reservoirs, which covers the establishment of legislation systems ; water demands for the basic ecological functions of downstream river channel ; reservoir discharge patterns simulating natural hydrological regimes ; regulation and control of sedimentation and eutrophication of reservoirs ; mitigation of the influences by water temperature stratification ; the operation techniques in pollution prevention and connectivity reinforcement of water systems

    文中討論了水庫多目標生態調度的方法，包括建立相應法規體系；保證維持下遊河道基本生態功能的需水量；模擬自然水文情勢的水庫泄流方式；進行水庫泥沙調控及水庫富營養化控制；減輕水體溫度分層影響；進行防污調度以及增強水系連通性等方面的調度技術。
  7. The behaviors of the inflow and sediment, the recent evolution rules and trend of the river channel in this section as well as the changing rules and causes of the change of the hechangzhou brai - ded channel are analyzed and the scheme researches, engineering design, construction and the effects of the control works at the entrance of the left branch of the hechang sandbar are presented in the paper

    根據鎮揚河目前的情況分析了該河段來水來沙特點、近期河道演變規律及演變趨勢，介紹了該河段二期整治工程的基本情況，並著重介紹了和暢洲左汊口門控制工程方案研究、設計、施工及工程效果等內容。
  8. River channel evolution and flood control evaluation of juankou wharf works at wuhan city

    武漢沌口碼頭工程河段河床演變及防洪評價
  9. This paper summarize the estuary sediment management methods also, analyze and the following aspects and give evaluations : estuary dredging and lead the flow, lead water to scour the river channel, build the xihekou reservoir, estuary gate deposition management, dike reinforced etc

    本文還對河口泥沙的處理途徑和措施進行了概括總結，對河口疏浚與導流、引海水沖刷河道、建設西河口水利樞紐、攔門沙治理、人工有計劃改道和出漢、加高堤防和加固防護工程和挖河固堤工程等進行了分析評價。
  10. The problems from sediment discharge for de - siltation and the relative stability of fiver channel can be solved through the study on the main indexes such as flow rate, silt concentration and etc. based on the analysis of sediment - carrying capacity of flow and the law of river channel evolution

    在分析水流挾沙力和河槽水力形態規律的基礎上，研究調水調沙的流量、含沙量等主要水沙指標，可以解決河道輸沙減淤和河槽相對穩定問題。
  11. Application of long tube shaped bag technique in the yellow river channel realignment in henan

    長管袋築壩技術在河南黃河河道整治中的應用
  12. The seminar is aimed at introducing hong kong s stream ecology and hksar government s river channel design work

    本會舉辦研討會的目的為提高教師對香港富饒的河溪生態及河道整治工程的認識。
  13. Abstract : according to the character of evaluating the benefit of river channel hardness projects, analyzing the composition of benefit and caculation method, and discussing the feasibility and practicality through real cases

    文摘:從河道整治工程效益評價的特點出發，分析了效益組成及計算方法.並以實際案例論證了上述方法的正確性和可操作性
  14. An experimental research on notching wet beach of the yellow river with the short - delay blasting is made for eliminating the risk that the main river channel is often threatened by some horizontal and slanting streams occurred on the downstream of the river and solving the problems from the bend cut - off for river channel harnessing, water way dredging and the siltation of the water diversion outlets along the channel

    摘要為了利用爆破解決黃河下遊河道經常出現的橫河和料河威脅河道安全的險情以及河道整治中的裁彎取直、疏浚航道和河道引水口淤積的問題，在黃河濕灘上進行了微差爆破開槽試驗研究。
  15. Article 19 : building of dam, sluice gate, bridge, wharf and other structures blocking, crossing or bordering a river channel ; laying pipelines or cables across a river, must comply with state - specified standards for flood control and navigation as well as other related technical requirements

    第十九條修建閘壩、橋梁、碼頭和其他攔河、跨河、臨河建築物，鋪設跨河管道、電纜，必須符合國家規定的防洪標準、通航標準和其他有關的技術要求。
  16. A research on decision support system for basin flood control scheduling is presented by a case study of complicated flood control system of downstream basin of the yellow river including reservoir, river channel, flood diversion area and flood detention area in this paper

    流域防洪系統聯合調度是提高流域防洪工程體系防洪能力的重要非工程措施，本文以黃河下游包含水庫、河道與分滯洪區的復雜防洪系統為實例進行了流域防洪調度決策支持系統的研究。
  17. The obsolete yellow river channel, an unique unit of the landscape, has been improved after many years exploition and cultivation, but no basic change has taken place for farming and living condition, the farmer ' s income is relatively low and industrialization process is slow

    摘要黃河故道是一個獨特的地貌單元，經多年的開發治理，其利用現狀亡大有改觀，但該地區農業生產條件尚沒有得到根本改變，農民收入水平相對較低農業產業化發展進程緩慢。
  18. Application of geotextile in the yellow river channel realignment in ningxia

    土工織物在寧夏黃河段整治工程中的應用
  19. 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河道演變、排洪能力變化特點的對比，分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期，下遊河道發生沖刷，但艾山以下窄河段沖淤變化不大，近年來形成的淤積萎縮的狀況難以很快改觀，游蕩性河段調整劇烈，工程出險機遇增大，河道水位流量關系中水流量以下部分同流量水位明顯降低，中水流量以上部分水位降低幅度可能會明顯偏小，防洪形勢仍不容樂觀。
  20. 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

    摘要沖積性河流的河床在輸水輸沙過程中，調節流量及含沙量和泥沙組成（調水調沙）可以調節河床水力幾何形態和水流挾沙力，追求水沙輸運和河床演變的相對平衡。
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