最小徑流 的英文怎麼說
中文拼音 [zuìxiǎojìngliú]
最小徑流
英文
minimum runoff- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 小 : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
- 徑 : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
- 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...
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4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved
基於粘性流體力學,以功率損失最小為目標,首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究,建立了泄漏模型,分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型;同時得到了斜齒齒輪泵最佳徑向間隙和最佳軸向間隙,並在此基礎上進行了數值計算。The velocity varies from 61. 5cm / s ( maximum ) in june to 48. 1cm / s ( minimum ) in march in the kuroshio extension, and the extreme appear at the position of the first meander. the extreme minish, and the month and position of the extreme change accordingly as it deepens
黑潮延續體的表層流速最大值則由6月份的61 . 5cm / s (最大值)變化到3月份的48 . 1cm / s (最小值) ,極值則出現在黑潮延續體西段大彎曲路徑的第一個峰處。I shop 20 acres green, different styles subtropical vegetation, small bridges down, secluded, quiet, health, comfort, safety is your most warm, the best and most satisfactory stayed it
店內二十餘畝綠地,風格各異的亞熱帶林木,小橋流水,曲徑通幽,安靜衛生舒適安全,是您最溫馨最理想最滿意的下榻之處。At last, taking the example of maotiao river the amount of low water resources carrying capacity was calculated
最後,本文以貓跳河流域為例分別從年徑流量和枯季徑流量的角度計算水資源承載力的大小。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。Wood compounding profile extrusion line, board extrusion line including technology and recipe pe, pp, pvc pipe, profile extrusion line, pvc profile welding machine lab line single twin - screw extruder, cast blow film, sheet, injection molding
擠出機的最小直徑為15mm ,可提供單雙螺桿擠出機流涎吹塑膜片材板材吹瓶注塑管材型材線纜導管等各類精密實驗室設備。Abstract : based on the data from the runoff plots, analyzed on the regularity and affected factor of the runoff and sediment yield in the farmland with different underlayer condition in the loess hilly areas of changwu county, shaanxi province, and point out that the main factor which affect the runoff and sediment yields in the farmland of the loess hilly areas are the intensity of precipitation, the time of precipitation, slope and the mulching condition
文摘:以徑流小區的觀測資料為依據,對陜西長武不同下墊面條件農田產流產沙規律及影響因素進行了分析,指出降雨強度、降雨歷時、坡度和覆蓋條件是影響黃土溝壑區農田產流產沙的最主要因素。Based on the forecasting theory of the optimization weighted array, an optimization weighted array model with a runoff response linear model and a time sequential model is developed to predict daily runoff, and the optimal weighting coefficients are derived by the least square method
摘要根據最優加權組合預測原理,建立了徑流響應線性模型和時間序列模型的優化加權組合模型,以預測日徑流,依據最小二乘法原理確定其優化加權系數。Runoff amount in rainy season for different land - use types constituted more than 50 % of annual amount, while the proportion in drought season was less than 17 %. of annual total soil loss amount, the control accounted for 60 % and complex proportions for other lands. however, soil loss amounts in drought season for all lands were lowest in one year
雨季徑流量均佔全年的50以上,而旱季徑流量佔全年的17以下;而不同土地利用方式的土壤流失量佔全年流失量的比例則較為復雜,對照土壤流失量佔全年的60 ,而其它土地利用方式由於植被覆蓋、耕作和管理措施的季節性可能發生3 6月的土壤流失量小於7 10月的流失量,但旱季土壤流失量所佔比例均最小。When the paper uses the optimization regulation, it divides the management time into " t " stages according to ten days to make up the decision having many stages of the reservoir ' s optimization regulation, and it takes the reservoir ' s retain quantity of water or retain status of water and confiscated quantity of water a s condition variable, takes the water quantity of drawing off or quantity of electricity as decision variable. when the confiscated quantity of water can be known or be forecasted in every stage during the period of management, that is to say the confiscated water process can adopt the determined process, we can make up determine dynamic plan model with many stages and take the minimal lacking water as objective function
在動態規劃方法中把水庫的整個調度期,按句劃分為t個時段,以水庫的蓄水量s或蓄水位z和入庫水量q作為狀態變量,以水庫放水量q或電站出力n或發電量e作為決策變量,構成一個多階段決策過程,當計劃調度期內各時段的入庫徑流量已知或可以預報,即入庫徑流過程可以採用確定性徑流過程時,分別按缺水量d最小作為目標函數建立多階段確定性動態規劃數學模型。Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞,擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求,灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證,在施工前確定該預應力方案選用無粘結預應力系統,成為目前世界上規模最大的無粘結預應力隧洞襯砌工程,在國內尚屬首例Analyze how to ensure the smallest limit of core length, and give the formulation of laminated dimension when the given diameter limit is zero. this paper gives the gene handling genetic algorithm and the gene express genetic algorithm, separately, to accomplish the optimization transformer core section. the optimization results show the effect
通過分析鐵心截面最小級片寬下限的選擇依據,並給出控制鐵心給定直徑外限為0時每級疊厚的遞推公式,本文從外部信息流角度和內部信息流角度出發,分別採用基因控制遺傳演算法和基因表達遺傳演算法完成了鐵心截面的優化設計,並取得了很好的效果。To analyze the factors of impacting load balancing of links, which is including the number of routes between source node and destination node, the number of routes through every link, the maximum flow between source node and destination node, the maximum flow through every link, the free bandwidth of every link and so on, we present the fast dynamic routing algorithm ( fdra ) and the critical link routing algorithm ( clra ). simulation results show presented algorithms in the paper are better than other algorithms in reject ratio of the traffic requests and performance of rerouting the traffic requests when a link is failure, especially in computing time cost
通過分析影響網路的鏈路負載均衡的因素,比如源-目的節點間的最大流,通過每條鏈路的最大流,源-目的節點間的路徑數目,通過每條鏈路的路徑數目,以及鏈路的剩餘容量等,提出了快捷動態路由演算法fdra和關鍵性鏈路路由演算法clra ,通過模擬,與最小跳演算法( mha ) 、最寬最短路徑( wsp )演算法、最小干擾路由演算法( mira )相比較,提出的兩種演算法在業務阻塞率、資源利用率以及重路由性能方面都有很好的效果。After the implementation of water regulation, the river course in delta reaches the minimum ecological flux, and no flow interruption take place ; the runoff flowing into the sea and the transporting sediment increase ; the areas of fresh water wetland is also increased gradually ; species variety get instauration obviously
結果表明,黃河水量統一調度后,河口三角洲最小河道生態基流在非汛期基本得到滿足,斷流現象不再發生,徑流入海率和輸沙入海量有所增加,淡水濕地面積逐漸增多,物種多樣性明顯得到改善。At last, on the basis of analyzing the characteristics of rainfall and runoff - producing and flow concentration and taking the example of multiple - underlying surface of jing hua school area and stressed laboratory building materials of hydrology and environment of shann ' xi, and thus rainfall runoff amount in the cultural areas and roof underlying surface are calculated, and utilizing foreground of rainfall are analyzed
最後,在對降雨特性、下墊面產匯流特性分析的基礎上,以西安理工大學金花校區和陜西省水資源與環境重點實驗室屋頂為典型小區,簡單的計算分析了西安市文化區和屋頂下墊面的降雨徑流量。從量的角度分析了雨水利用前景。Relativel ~ ~ matlab language is more powerful than oilier computing language, especially in computation fluid mechanics, it helps to simply draw charts of vortex, stream function, velocity, pressure, and the amount of work can be extremely reduced, and the program coniplving can also be controlled easily
得到空化數的分佈以後,進而分析流場內空泡的運動軌跡,最後得到空泡半徑在流場內隨壓力的變化關系曲線,以及在流場內空泡半徑沿壓力最小點的分佈規律。In the system, dss integrates relative kb together, especially the train routing kb, approval experience kb. at the same time, the paper constructs the relative model of the claimed train approval optimization model in railroad bureau and uses the minimal cost and maximal flow algorithm based on queueing theory to solve the problem
在本系統中, dss中集成了相關的知識庫系統,特別是車流徑路知識庫、審批經驗知識庫。同時,對鐵路請求車審批優化中的請求車審批優化問題建立了相應的模型,並利用基於排隊論的最小費用最大流求解了該問題。Based on these models, the differential pressure fluctuation signals of gas - liquid two - phase flow under different flow regimes in various diameter pipelines are analyzed. experimental results show that the autoregressive orders of bubble flow and annular flow are bigger than that of slug flow
對不同管徑不同流型下的差壓波動信號進行了建模,在此基礎上分析得出:彈狀流流型下arma模型的階數n最小,泡狀流和環狀流流型下的arma模型階數n較大。Full size orifice - series 288a has a full - size orifice to assure pipe size capacity. water passages are streamlined to provide high water flow with minimal pressure loss
全通徑管口-系列288a具有全通徑管口,確保管道通徑的性能。水路都是流線型的,水流順暢,壓降最小。By the test of the imitated rain, the article researches some rainfall runoff features of the plain area which the slope is less than 3, the changing regulation of runoff coefficient under the steady rainfall condition, puts forward the calculation principle of the rainfall runoff this area by using the maximum runoff coefficient method and makes a calculation of the runoff for the process of rainstorm under the unsteady or natural condition
利用仿雨試驗,研究地面坡度小於3的平原區降雨產流的特徵,穩定降雨條件下徑流系數的變化規律,提出了「最大徑流系數法」對平原降雨產流的計算原理,對非穩定及天然條件下的暴雨過程進行了徑流計算。分享友人