洪水流理 的英文怎麼說
中文拼音 [hóngshuǐliúlǐ]
洪水流理
英文
flood flow- 洪 : i 形容詞(大) big; vast; grand Ⅱ名詞1. (洪水) flood 2. (姓氏) a surname
- 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...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
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The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent
在對重慶市的自然地理情況和社會經濟情況作了介紹之後,還分析了重慶市水資源的基本特徵,目前重慶市的水資源利用還處在傳統的開發利用階段,水資源管理體制還存在許多弊端,水的法規制度建設也相對落後,水的供給還不能完全滿足需求,水質狀況沒有得到根本性的改善,水土流失還很嚴重,水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀,本文提出:應加強對水資源持續利用的認識;改革目前重慶市的水管理體制,嘗試水務局管理體制,相應加強水的法規和制度建設,實現需水管理,建立節水型社會;根據實際情況,加強水利建設,實現水的供需平衡;依據「控源導流」的思想控制水污染,實現清潔生產;治理水土流失,保護水環境;建設防洪減災體系。The spatial condition and both the technical and economic feasibilities for the layout of the light - court for the auxiliary powerhouse under the condition of higher fluctuation of the flood level downstream is basically analyzed ; in which the principles of the layout and both the spatial dimension and configuration are discussed, and then a actual design case is given with the preliminary evaluation on the ventilating and lighting effect of the light - court
初步分析了下游洪水位變幅較大等環境條件下,貫流式水電站副廠房設置自然通風採光天井的空間條件及其技術性和經濟性,討論了天井布置原則和空間尺度與形態處理,給出設計實例並初步評價了天井通風採光的效果。Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward
文摘: 1998年長江大洪水后開始實施的「平垸行洪,退田還湖」的土地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用,長江中游地區應積極推進農業現代化,提高農業勞動生產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的土地要促進其規模經營,由優秀的有文化的農民經營,平時只有少量的直接從事農業生產的經營管理人員,農忙時則大量地使用季節性合同工或實現機械化,大洪水時退田還湖,減輕長江幹流大洪水的壓力,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進行休耕,在旱災、糧食緊張時擴大糧食生產?As a practical application, the safety situation of jiujiang dike under the 1998 pluvial condition of once a hundred years in yangtze river has been evaluated by the reliability method from the point view of the seepage stability in terms of probability analysis and two dimensional saturated seepage finite element analysis combining with the mechanism of seepage burst in jiujiang dike summarized in the thesis
通過滲流有限元和滲流可靠性分析論證了1998長江流域特大洪水災害中九江市防護大堤發生的嚴重潰口破壞的滲流破壞機理。分析、比較得出結論:堤防下游坡腳的出逸比降接近和超過臨界比降,在1998年長江百年一遇的洪水條件下九江大堤潰口斷面的抗滲可靠性僅在55左右的非常低水平。During recent decade and more, major and super floods have taken place frequently in the yangtse river and huai river. the natural phenomenon of flooding is inevitable. it is not a surefire plan only to take engineering measures for flood control while climatic variation is far from being known
近十多年來在我國長江、淮河流域連續不斷發生的大洪水或特大洪水再次向我們展示了這樣一個道理,洪水是一種自然現象,當環球大的氣候因素及其變化規律遠未被認識時,試圖僅依靠工程措施來控制洪水並非萬全之策,逐步運用非工程措施,常常能起到「以柔克剛」 、 「以弱勝強」之功效。And the resuits are as follows : the main hazards in rural area were flood, water - logging, landslide and debris flow, whereas water - logging in cities ; the catastrophe was caused by the natural factors including the heavy rain due to the strong tropical storm, the mountainous terrain conditions in xiangjiang river basin, and the man - made factors including unreasonable project construction, the imperfect disaster warning mechanism, the weak consciousness on disaster prevention and the unperfect disaster risk transfer mechanism etc
結果表明:農村的主要致災因子是洪水、內澇、滑坡、泥石流,而城市主要為內澇;此次巨災是在強熱帶風暴引發的暴雨、湘江流域中上游多山的地形條件等自然因素,和工程建設不合理、災害預警機制不夠完善、人們防災意識薄弱以及災害風險轉移機制不夠成熟等人為因素的共同作用下導致的。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。It elucidates the grade and layout of the construction diversion structures, testifies the technical rationality and economic advisability that the alternative of the cofferdam uses to dam up the discharge ( p = 10 %, q = 275. 2m3 / s ) during the post - flood period, was made by hydraulic calculation, structural design, investment comparison, progress analysis and investment risk analysis
文中說明了施工導流建築物的等級、水工布置。通過水力學計算、結構設計、導流方案投資比較、進度分析和投資風險分析,說明了四湖溝水利樞紐工程採用圍堰擋汛后時段洪水導流方案的合理性和經濟性,為施工決策提供理論依據。It is based on the above reasons, the leading system of flood, windstorm, drought control and the construction of water conservancy information engineering and the principle of theory and practicality are combined. based on the continuous development the following contents are researched in this paper : 1. the flood occurred law on major rivers and flood problems and flood control measure
正是基於這種考慮,本論文結合廣州市三防指揮系統工程和廣州市水利信息化工程的建設,本著理論性與實用性相結合的原則,從可持續發展的角度,重點研究以下內容: 1 、廣州市主要河流洪水發生的規律及存在問題與防洪措施; 2 、廣州市現有防洪措施的防洪標準與可靠性; 3 、洪水預報與調度系統的方法與技術路線; 4 、現代防洪管理。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。Speciality in consultation field : research, design and supervision for sediment engineering in rivers, harbors and waterways, inclusive of river processes, flow and sediment motion, flood control engineering, selection of harbor location, navigation training works, bridge, and water supply projects, etc
從事河流治理和港口航道方面的泥沙工程科學研究和設計、監理工作,包括河道演變和水流泥沙運動規律、防洪工程、河港選址和航道整治工程、橋梁和取水工程等方面。Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering
摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。Results showed, taking jia - lu - he catchment as example, that the integrated control of soil and water loess could reduce the flood - peak flow and flood water amount, that the flow process has been prolonged and that the peak flow was postponed
提出了水土流失綜合治理對大中流域暴雨洪水影響的研究方法。以佳蘆河為例,分析表明:水土流失綜合治理使暴雨洪水的洪峰流量、洪水總量降低,洪水過程持續時間延長,洪峰滯后。Ii ) runoff erosivity reflects relationship of water erosion forces and sediment yield more directly than rainfall erosivity. it intergrated ability of runoff volume and flood peak on detaching soil and transporting sediment and is more reasonable than single runoff depth or flood peak volume
( 2 )以徑流侵蝕力代替降雨侵蝕力來反映水蝕營力與產沙量的關系更加直接,而且綜合了徑流量與洪峰在剝蝕土壤和搬運泥沙能力,比單獨運用徑流深或洪峰流量更加合理。Soil embankment is widely used in water conservancy and flood prevention projects because of its being able to drawing on local resources and other advantages. how to analyze and calculate the seepage and stabilities of levees under high level flood reasonably, and supply reliable technological support for dangers removing and strengthening are of great engineering significances
土質堤防因具有能就地取材等優點而為水利及防洪工程廣泛採用,合理分析與計算高洪水位作用下堤防的滲流及穩定性、為除險加固提供技術支撐具有重要的工程實際意義。Based on the relative data of density flow in xiaolangdi reservoir in flood period of 2001, and through analyzing on water - sediment condition of density flow formed and movement element of density current, the common movement law and special phenomenon on forming, operating and discharging sediment of density flow in xiaolangdi reservoir have been clarified in this paper. the relationship of sediment transport of density flow has been explored combining with theory analysis and formula deduction
本文主要依據2001年洪水期小浪底水庫異重流的有關資料,通過對形成異重流的水沙條件、異重流運動要素的分析,闡明了小浪底異重流的形成、運行和排沙等方面的一般運動規律和特殊現象,結合理論分析和公式推導,探討了異重流輸沙關系。Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed
文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程,在平面二維數值模擬計算的基礎上再進行河工模型試驗,比較分析各防洪整治方案下潼南河段水流條件的變化,及其對上游防洪、河道、大橋、電站、航運、河勢的影響,提出合理可行的工程方案Finally, taking the panjiakou reservoir in the haihe river basin in china as an example, the paper analysis the reasonable adjustment scheme of the limited level of the reservoir during the flood season according to the design flood, the flood forecasting, the flood control operation under forecasting, the flood control standard of upstream and downstream of the reservoir, the immigrants range, and the benefits and the risk of the reservoir in a long period of the operation simulation
最後以海河流域潘家口水庫為分析實例,從設計洪水、預報預泄、洪水預報調度方式、上下游防洪設計標準、上游移民淹沒及土地退賠線、水庫長期運行的風險和效益等多個方面分析論證了水庫汛限水位的合理調整方案。Preliminary studies suggest that the mutual relations of the security, economic and risk should be adjusted and made into organic unity during determination of design flood standards for construction, the concepts on the cascade exploitation of the river should be transferred from flood control to flood management, the design flood standards for construction at the initial, middle and later stages of high dam projects should be driven up gradually according to reservoir capacity
初步研究認為,在施工洪水設計標準選擇時,應處理好安全、經濟和風險相互之間的關系,以達到三者有機的統一;在梯級開發河流上應實施從施工洪水控制到施工洪水管理的觀念轉移;高壩大庫工程的初期、中期、後期三個時段的施工洪水設計標準應根據庫容等指標逐步抬高。On the basis of watershed functions and the relationship between economic exploitation and the sustainable development in a watershed, directed by previously researches, a theoretical system of decision - making support for watershed management is put forward, in comparison with the old ones the system is expanded in some sense and has certain innovative property
在分析流域功能及其與經濟開發及可持續發展關系的基礎上,依據前人研究成果,深入研究了流域洪水管理的決策支持理論;較已有理論體系研究有所拓展,具有一定新穎性。分享友人