河道分流 的英文怎麼說
中文拼音 [hédàofēnliú]
河道分流
英文
river diversion- 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...
- 道 : 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) ...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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...
- 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
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As getting incision of underwater distributary channel in different period, debouch bar keeps short time and low - development
由於受到不同期水下分流河道的切割,河口壩保持時間較短而欠發育。Flood routing models in confluent and dividing channels
分流河道洪水演進模型及其應用Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin
本模型針對降雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻,對產匯流形成過程的影響,提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。Subsequently, a distributary may again change course to debouch its load near the mouth of its older, abandoned channel.
后來,分流可再次改變河道,把它的負荷沉積在原來廢棄的較老的河口附近。Physical simulation of formation process in distributary channels and debouch bars in delta
三角洲分流河道及河口壩形成過程的物理模擬The more favorable reservoir sandbodies are submerged distributary channel sandbodies and debouch bar sandbodies on delta front
較有利的儲集砂體為水下分流河道或河口壩砂體。In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned
摘要針對枯水年枯水季,因河道徑流量較少,鹽水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全,文中結合長江口地區水資源利用和水環境現狀,以大通以下長江幹流地區在枯水季水量分配為實例,在初步預測未來河口地區水資源需求的基礎上,提出長江口地區水資源配置的思路、方法及方案框架。And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin
其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等;該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。A dead - end channel extending from the main stream of a river
死水潭,死河從主河道分流出來的死水溝渠A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained
提出了一種匯流時間計算方法,匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式,同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后,將其看作隨機變量,進行統計分析后,得到匯流時間的頻率分佈? giuh 。Geography position and meteorology character in gongboxia watershed are analyzed, according to which the excess of infiltration and instantaneous unit hydrograph are used in runoff and affluence models, and muskingum routing method in river course affluence, kalman filtering technique and least square method in real - time correction
分析公伯峽流域所處地理位置及該流域內的氣象特徵,確定產、匯流模型採用超滲產流和瞬時單位線,河道匯流採用馬斯京根法,實時校正法由卡爾曼濾波和最小二乘法組成。In silence mole rowed steadily, and soon they came to a point where the river divided, a long backwater branching off to one side
鼴鼠默默地劃著船,不一會,他們來到了一處河道分岔的地方,一股長長的回水向一旁分流出去。According to the test results from the yellow river water - sediment regulation, especially the first test, e paper analyzes the results of the scouring or deposition in the lower river and the area of the river - mouth bar, the adjustment of the channel morphology, the effect of channel regulation and the changes of flowing capacity of the lower reaches
根據這兩次黃河調水調沙試驗成果,特別是首次調水調沙試驗成果,對下遊河道沖淤效果、河口攔門沙區泥沙沖淤量及其分佈、河勢調整、整治工程作用及河道過流能力變化進行了分析。In 1994, the ternpc got the only creative prize of agriculture science in the first ningxia patent exhibition, and the golden medal of the first agriculture science and technology achievement exhibition of china, held by the cstc chinese science and technique committee and shanxi province. in 1996, it was listed in the major plan of science and technique spreading by nstc
總的來說,西部的生態環境特別是西北地方砍伐,水土流失,土地沙漠化的問題十分嚴重,由於生態環境惡化,造成湖泊乾涸,下遊河道斷流,土壤次生鹽化面積不斷擴大,沙塵暴頻繁增加,天然林場草場在面積退化,如果這些問題不能起到有效控制,環境的惡化很難逆轉,現有的綠州也很難利用。Applying the proposed model, the turbulent flow in open channel with submerged vegetation has been simulated and the flow effect due to vegetation has been analyzed
應用該模型進行了存在淹沒植物的河道水流紊流運動數值計算研究,分析了淹沒植物對河道水流的影響。Applying the proposed model, the turbulent flow in open channel with emergent vegetation region has been simulated and the flow effect due to vegetation has been analyzed
應用該模型進行了存在非淹沒植物的河道水流紊流運動數值計算研究,分析了非淹沒植物對河道水流的影響。The computational results of models are in satisfactorily agreement with the experimental data. all the results show the validity of the proposed models. the present k - l les and 3d k - l les model are proven to be new useful tools for the study on turbulent flow in open channel with a vegetated region
K - lles模型和3dk - lles模型為進行帶有植物的河道水流紊流運動數值計算研究,特別是對分析存在植物的河道水流運動形態及由於植物的阻礙在河道中產生的大尺度渦的形成、發展研究提供了一個新的研究途徑。In this paper, based on achievement of flow with partly vegetated channel of predecessors, according to vegetation types, the flow over flexible bottom vegetation and rigid one is experimentally studied. the main researches as follows : 1. open channel flow over flexible bottom vegetation is studied experimentally
本文較系統地總結了前人對有植被的河道水流問題的研究成果,將有植被的河道水流問題分為兩大類: ( 1 )流經柔性植被的河道水流問題, ( 2 )流經剛性植被的河道水流問題,本文分別進行試驗研究。Based on the moving least squares method and the finite difference scheme, a new element - free method is proposed and used to simulate horizontal two dimension river flow with complicated boundary
本文通過引入滑動最小二乘法和有限差分法,得到水動力學無單元計演算法並應用於復雜邊界的河道水流運動方程。Abstract : this paper analyzes the essential features of bend flow, describes the relationship between submerged vanes characteristics and induced bed shear stresses, give the theory and design procedure of bank protection of river bend by using submerged wanes
文摘:本文分析了彎道水流的基本特性,闡述了充分淹沒在水下的導流屏特性和由此引起的河床剪應力之間的關系,給出了彎段河道導流屏護岸原理及設計方法。分享友人