水流試驗 的英文怎麼說
中文拼音 [shuǐliúshìyàn]
水流試驗
英文
water flow test- 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...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
- 試驗 : trial; experiment; test
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It looks upon water resistant as load, simulate every instance of locomotive running and check its every parameter automatically, then collect and dispose these data of parameters, calculate the power of simulating running of locomotive, which is based on the current, and voltage of host dynamotor. afterward, it can be judged from the working state of locomotive. through experiment and adjust each parameter, it can provide important warrant to the components of locomotive whether they can work normally and credibly
即以水阻作為負載,模擬機車運行,對機車的主發電動機的電流、電壓和柴油機的轉速等參數進行檢測,並對檢測結果進行處理,計算出模擬機車運行時的功率,並以此為依據,對機車的工作狀念進行判斷,通過水阻試驗,調整有關參數,使機車運行時能發揮所要求的功率和滿足規定的工作特性。Through the study above, a refined description and modeling to flow field and water surface near the groyne in river is conducted with 2 - d and 3 - d mathematical models. the results by simulation are consistent well with experiment data
通過上述研究,作者採用二維和三維數學模型對水槽試驗和天然河道中丁壩附近流場和水面形態進行了精細地描述和模擬,計算結果和實測結果吻合良好。So as the enter point of the stream, the income of the reservoir, the time of the flood peak lasted, the quantity of sandiness income and the strobe of the darn. we must do some work to forecast and watch the different density stream. by experiments, we made out that it is impo rtant for us to reduce the water lever in work of the river belongs lots of sandiness
從異重流試驗看,在正常運用下,水庫產生泥沙異重流的機率較大,能否運動到壩前排出庫外,還要看異重流潛入點位置、入庫流量、洪峰歷時、入庫含沙量、水庫閘門運用等因素,需要做好異重流預報監測工作。Only the method for using backwater expression can predict the variation of water surface near the spur dike very well. numerical simulations of the flume experiment cases are carried out with the standard k - e turbulence model
隨后採用標準k一e紊流數學模型,依據水槽試驗資料,數值模擬了繞壩和漫壩兩種情況下水流的流動過程。The results of flume experiment indicated that, the flow velocity and froude number of the overland flow would fall with the rainfall splash intensity rose ; the flow depth and resistance coefficient would enhance with the rainfall splash intensity increased
水槽試驗結果表明:水槽槽面薄層水流流速及弗汝德數隨雨滴打擊強度的增加而降低,水深、阻力系數隨雨滴打擊強度的增加而增加。The equation for estimating land surface temperature of huaihe river basin has been set up by using the data of split window channels of trmm and gms - 5 satellite and the ground observation data of hubex
利用trmm衛星和gms - 5衛星的兩個紅外分裂窗通道的亮溫資料,結合淮河流域能量與水分試驗hubex加密觀測期間獲得的地面溫度的觀測資料,建立了反演淮河流域地面溫度的參數化方程。Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation
確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究,確定了徑流和土壤水蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。This thesis aims at promoting the innovation on irrigation methods and the development of irrigation techniques in vegetable cultivation, and also provides for percolation irrigation by way of experimental study on the seepage flow both in air and soil with zippered plastic pipes and on the application of percolation with zippered plastic pipes to vegetable tomato cultivation in shelves
本論文通過拉鏈式塑料管大氣、土壤中的滲流試驗研究,以及在大棚蔬菜(番茄)栽培應用拉鏈式塑料管滲灌的試驗研究,希望為保護地蔬菜栽培灌水方法的革新和滲灌灌水技術的發展、拉鏈式塑料管作為滲灌管的可行性和優越性提供理論依據。Experimental study on rainfall harvesting and microcatchment model for ecosystem rehabilitation in the transitional zone between arid and semiarid regions
乾旱半乾旱過渡帶雨水集流試驗與微型生態集雨模式( 4 ) water flow model experiment is made and hydraulic pressure variation is observed, " the detainment and displacement " of semipervious aquifers in the process of decreasing water is also studied
(四)模擬二元結構土層,進行土樣滲流試驗,觀測水壓的變化,研究弱透水層承壓水在降水過程中的「滯后和位差」現象和問題。In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material
本文首先根據散拋石壩損毀情況的現場調查資料,結合有關專家多年的整治經驗,總結出壩體的損毀原因及影響因素;對現有塊體穩定性的研究成果進行回顧和總結,並針對散拋石壩的直接損毀現象,結合山區河流的水流、地形特點,利用塊體粒徑與起動流速的關系,提出塊體穩定重量與起動流速高次方成正比的概念,流速50的增長可能導致塊體穩定重量接近40倍的變化;通過二維變坡水槽試驗,研究了壩體穩定的主要影響因素,包括塊體重量、壩頂水深、斷面尺寸、塊體材料(塊石和卵石兩種) 、護底等,結果表明對于山區河流,試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微;最後,根據西部地區的自然、經濟、交通等條件,提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施,以期取得良好的工程效果。Abstract : the paper introduces the principle of the water pressure experiment ma chine , analyses the hardware composition and software flow diagram , the operatin g results are fully approved
文摘:介紹了水壓試驗機的工作原理,分析了其控制系統的硬體組成、軟體流程圖,對運行結果作了充分肯定。Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper
摘要通過對明渠流速的水槽試驗研究,建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式,同時給出了相關系數的確定方法。The main contents are as follows : ( l ) through theoretic analysis and flume experiments, the characteristic of water resistance through frames is researched, and transforms relation between resistance coefficients and manning ' s roughness coefficients is established, and then experiential formula of manning ' s roughness coefficients is fitted
主要研究內容如下: ( 1 )通過理論分析和水槽試驗,研究了穿越四面體框架群水流阻力系數的變化規律,建立了阻力系數與框架群等效曼寧糙率系數的轉換關系,擬合出了糙率的經驗計算公式。Standard specification for flow table for use in tests of hydraulic cement
水凝水泥試驗用流量表的標準規范Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗,研究了土壤侵蝕對土壤碳和養分的影響途徑和表現,侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律;同時,在地理信息系統的支持下,建立了侵蝕條件下的土壤碳和養分變化模型,模擬了侵蝕對土壤碳和養分影響的空間過程,預測了侵蝕影響下土壤碳和養分的年變化及多年變化,並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。The density flows in a reservoir model are also calculated, and the calculated results are compared with others
對水庫冷水人流試驗模型進行了模擬,並將計算結果與已有文獻進行了比較,結果表明:無論是下潛流的厚度。Abstract : a percolation model of radial flow with which the process of sand production in horizontal well can be simulated and a method by which a series of tests can be carried out are introduced in this paper
文摘:介紹了一種模擬水平井出砂的徑向流試驗模型和在該模型上進行的地層出砂試驗的方法。A series of hydraulic model experiments of water flow, head losses and flow state in reservoir under various conditions are carried out for the design of the dashuzi pumped - storage plant
摘要本文結合大樹子抽水蓄能水電站下庫進出水口試驗任務,對側式短進出水口在不同工況下的流速分佈、水頭損失、庫區流態等水流特性進行了水力模型試驗研究。Valves - test of flow resistance using water as test fluid ; german version en 1267 : 1999
閥門.以水作試驗流體的流動阻力試驗分享友人