流試驗 的英文怎麼說
中文拼音 [liúshìyàn]
流試驗
英文
reverse current test-
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。China has also taken part in global oceanographic activities, including the gsmmp ( global studies and monitoring of marine pollution ), the toga ( tropical ocean and global atmospheric project ), the woce ( world ocean circulation experiment ), the jgofs ( joint global ocean flux study ), the loice ( land - ocean interaction in the coastal zone ), and the globec ( global ocean ecosystem dynamics ), making positive efforts to promote worldwide oceanographic cooperation
中國參與了全球性海洋科研活動,包括全球海洋污染研究與監測、熱帶海洋與全球大氣研究( toga ) 、世界大洋環流試驗( woce ) 、全球聯合海洋通量研究( jgofs ) 、海岸帶陸海相互作用研究( loice ) 、全球海洋生態系統動力學( globec )等,為推動全球海洋科技合作作出了積極努力。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。Test of rated conditional short - circuit current of auxiliary contact
輔助觸頭的額定限制短路電流試驗Copper and copper alloys - eddy current test for tubes
銅和銅合金.管材的渦流試驗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Research on steady flow test rig for inlet port of an engine
發動機進氣道穩流試驗臺的開發( 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。Non - destructive testing - eddy current testing - general principles and guidelines
無損試驗.渦流試驗.一般原理和指南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 device consists of a single - phase flow test device, which can make a real simulation of the downhole working conditions and the flow of the liquid in the subsurface pump, and a miscible - phase flow test device, which can simulate various oil - gas ratios
這種裝置由單相流試驗裝置和混相流試驗裝置構成,前者能比較真實地模擬井下的各種工況和抽油泵內液體的流動狀態,後者可模擬不同的油氣比。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。Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out
在理論分析的基礎上,考慮實驗室現有設備的情況依據標準jb5871的規定,選用合適的試驗設備,對試驗線路的參數進行計算,在實驗室建立了252kv及以下電壓等級斷路器開合線路充電電流直接試驗線路,利用該線路進行了數臺產品的試驗,分析了試驗結果,並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷路器》 (報批稿)關于開合線路充電電流試驗的有關規定。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。Development of intelligent port steady flow test system based on can - bus
總線的智能氣道穩流試驗系統開發R amp; amp; d of automatic port steady flow test rig for agriculture engine
農用柴油機氣道流動特性穩流試驗系統研究Application of variable pressure drop method to steady flow test for port of ic engines
應用變壓差技術的氣道穩流試驗研究Method of test for slump flow of concrete
混凝土的坍落流試驗方法Vitreous and porcelain enamels ; determination of fluidity behaviour ; fusion flow test
釉瓷和搪瓷.流動性的測定.熔化液流試驗分享友人