河汊 的英文怎麼說

中文拼音 [héchà]
河汊 英文
a branch of a river
  • 河 : 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...
  • 汊 : 名詞（分支的小河; 水流） branch of a river or current
  1. The bifurcated channel is a common river type, and there exists realistic meaning for the study on the division characteristics of the bifurcated channel

    分汊河道是一種常見的河型，其特性研究在河道整治工程中有著重要的現實意義。
  2. 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

    淮河入海水道河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，在現有的分流口設計條件下，若按設計的南北汊分流比，南分流口有壅水現象發生，如果南汊分流增大到800m ~ 3 / s左右時，則水流較為通暢。
  3. Through checking computations, it was shown that the analogue accuracy of the model was quite high, which can provide important basis for scientific decision - making on engineering measures. through analogue calculation and analysis of many regulation schemes, it was shown that combining the diversion weir works with the bed fixing works at the south branch is reasonable and feasible in the implementation of loushuikouzi river regulation works. in addition, it is suggested that the bed fixing works at the south branch should adopt the improved compound section scheme

    經對多個整治方案的模擬計算與分析，表明漏水口子河道整治採用分流魚嘴工程和南汊固床工程相結合的整治工程措施是合理可行的，通過模型計算研究還提出了南汊固床工程採用復式斷面形式的改進方案建議，該方案保證了南汊枯期通航和不斷流，而且對南汊及撫遠鎮的保護具有正面作用。
  4. In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory

    本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系，研究分汊河道的分流特性，並推導理論分流模式；另一方面，通過建立二維水流數學模型，與理論分析結果進行比較。
  5. 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。
  6. For the low water head water control project at a branching channel, its flood discharge capacity is related not only with the total discharge width but also with the discharge width ratio of the two branches

    摘要位於分汊河段的低水頭樞紐，其泄洪能力不僅與樞紐的總泄流寬度有關，而且與兩汊泄流寬度之比有關。
  7. 8. a simplified 3 - d natural river flow and sediment transport model is developed based on hydrostatic pressure distribution. the model has been applied to investigate the 3 - d flow and suspended - load transport in nanjing river reach with two branches

    （ 8 ）天然三維水流泥沙簡化數值模型，成功地模擬南京某河段水流運動和多分汊河道水沙計算，結果可靠並滿足精度。
  8. Local management of public welfare undertakings in small towns

    對安徽省舒城縣干汊河鎮的調研報告
  9. Planar 2 - d flow and sediment numerical modeling of branching river

    天然分汊河道平面二維水流泥沙數值模擬研究
  10. Division located in western branching stream nearby yangzhou, traffic convenient

    我司座落於揚州西郊汊河鎮，交通便捷。
  11. I division located in western branching stream nearby yangzhou, traffic convenient

    我司座落於揚州西郊汊河鎮，交通便捷。
  12. Longjiang shipyard, located at xiaguan ， north of nanjing ' s sancha river, had an area of 470, 000 square meters

    龍江船廠位於南京三汊河以北下關地區，廠區面積約700畝。
  13. The main problems in waterway regulation on branching rapids of mountain rivers are choosing navigation paths and improving flow condition

    山區河流石質汊流急灘航道整治主要解決選擇通航汊道和改善航道水流條件的問題。
  14. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上，應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案，通過各方案計算結果比較，分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律，研究結果表明： （ 1 ）對于石質汊流灘來說，在某一汊道通過局部開挖河槽，擴大過水斷面面積，可以達到降低工程段流速、改善局部水流條件的目的。
  15. 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。
  16. It is a land kindling passion and tenderness. it is a land giving birth to tenacity and boldness

    秀麗如錦的雅礱河谷一馬平川，阡陌交通，河汊縱橫，麥浪泛金
  17. This fertile territory is watered by numerous small rivers and limpid streams, mostly tributaries of the godavery

    無數溪流大部分是戈達瓦里河的支流或河汊灌溉著這片肥沃的土地。
  18. The second, which was called the rue de la harpe on the left bank, rue de la barilleri in the island, rue saint - denis on the right bank, pont saint - michel on one arm of the seine, pont au change on the other, ran from the porte saint - michel in the university, to the porte saint - denis in the town

    第二條長街在左岸，名為豎琴街，在老城河洲上叫做箍桶街，在右岸叫做聖德尼街，在塞納河兩道河汊上各有一座橋，一座叫做聖米歇爾橋，另一座叫錢幣兌換所橋，這條長街起自大學城的聖米歇爾門，止於新城的聖德尼門。
  19. Given an extensive area, guerrilla warfare can be developed and sustained even in the plains, not to mention the river - lake - estuary regions

    有了廣大地區這個條件，就是在平原也是能夠發展和支持游擊戰爭的，河湖港汊更不待說。
  20. Analyses show that, when the ratio of the two branches ' discharge widths is coordinated with the resistance ratio of the two branches, the project reach has the least resistance, that the discharge capacity is the largest and that its influence on the project reach is less after the finishing of the project

    通過分析，當兩汊泄流寬度之比與汊道兩汊阻力比相協調時，樞紐河段的阻力最小，其泄洪能力達最大，且樞紐建成后對樞紐河段的影響也較小。
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