管流試驗 的英文怎麼說

中文拼音 [guǎnliúshìyàn]
管流試驗 英文
drift test
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • : 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...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 管流 : capillary flow
  • 試驗 : trial; experiment; test
  1. Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in

    並與模型尾水壓力脈動結果進行對比?結合動模擬以及動力特性計算結果,全面分析?評定機組的實際運行狀況,劃定運行區域,為電站合理調度
  2. Nowadays, the switches which are being studied or applied, such as gas spark gap, thyratron and ignitron, etc, are of different structures, operating principles, advantages and disadvantages, and are applied in various situations and fields

    目前處于中或者投入實際應用的開關元件很多,如火花放電間隙、閘、引燃等,它們有不同的結構、原理和優缺點,應用在不同的場合和領域。
  3. Standard test method of measurement of common - emitter d - c current gain of junction transistors

    結型晶體共射極直增益測量的標準方法
  4. Standard test method for measuring transistor and diode leakage currents

    晶體及二極體泄漏電測量的標準方法
  5. In low mass flux and high outlet quality conditions, experiments have been performed using vertical heated tube, cooled by water, to determine chf value for a uniformly heated section

    針對低量高含汽量工況,本論文在長度為2 . 1m ,徑為0 . 014m的均勻受熱圓中得到93組chf數據。
  6. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理,運用體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油內徑等主要結構參數對減振器阻尼性能的影響,通過,得到了減振器樣件的阻尼特性及其可調范圍。
  7. Standard test method for determination of properties of polymeric materials by means of a capillary rheometer

    用毛細變儀測定聚酯材料性能的標準方法
  8. The applied experiment of soft tube surge irrigation in the form of planting wheat and cotton in the field ditch

    灌在大田壟膜溝種作物的應用研究
  9. Railway rolling stock. functional general requirements. transistorized ballasts. generalities and tests

    鐵路機車車輛.一般功能要求.晶體化鎮器.概述及
  10. 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

    本文通過研究與理論分析對旋式豎井泄洪洞應用於高水頭、大泄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、結合小灣工程導洞改建,對高水頭( 252m ) 、大泄量( 1400m ~ 3 s )條件下旋式豎井中的水運動特徵進行了比較全面的測量,包括空腔形態、徑向速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水水力計算方法,其計算結果與實測值吻合良好;三、利用與計算結果,對旋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研究,發現消力井合理深度為0 . 9d左右;五、通過研究,歸納出豎井水總摻氣量估算方法,為導洞排氣方案的設計提供了參考依據;六、在高水頭、大量條件下,豎井空腔段下部速很高,盡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。
  11. Backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder

    從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電行為分析、工藝和接頭檢等幾方面介紹道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調具有普遍指導意義。
  12. Abstract : backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder

    文摘:從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電行為分析、工藝和接頭檢等幾方面介紹道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調具有普遍指導意義。
  13. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制,增設旁通后布置非常緊湊,道急轉角度大且轉彎距離較小,對于內水態是否滿足要求,需要經過模型進行論證,以確保工程的可靠性。旁通具有上水與泄水要求,對其過能力也要經確定,為碧河水庫增建旁通設計提供依據。
  14. Finally, the expert system is used in ming wang ta village, lin county, shanxi province to design and project for apple ' s drop irrigation at the demonstration farm. by the aid of the system, the calculation result, the design result, the drawing of pipe framework, the budget sheet are conveniently gained, and efficiency is distinctly enhanced. the result of this design has been successfully carried out in the test areas

    最後應用本系統對山西省臨縣城莊鄉明旺塔村丘陵山區截蓄水灌溉工程示範節水灌溉示範區的果樹滴灌灌區進行規劃設計,方便快捷地獲得了該滴灌系統比較合理計算結果、規劃和系結構圖、概算表等,明顯提高了設計的效率,設計過程具有較高的參考性與實用性。
  15. This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method

    本文分析了海水路系統內噪聲的產生機理,介紹了噪聲的控制方法;分析了海水路系統中噪聲的聲場特性以及噪聲內、外測量方法的優缺點;通過海水消聲器測量臺架,利用測量小室證了混響箱法難以準確測量海水路系統中的低頻噪聲;用測量小室對水消聲器在低頻段的插入損失進行了測量。
  16. Copper and copper alloys - eddy current test for tubes

    銅和銅合金.材的渦
  17. 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大氣、土壤中的滲研究,以及在大棚蔬菜(番茄)栽培應用拉鏈式塑料滲灌的研究,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、拉鏈式塑料作為滲灌的可行性和優越性提供理論依據。
  18. And concerning boundary conditions along piping system are properly set. futhermore, vertex sound is discussed in this paper. effect of the noise reduction about the mufflers is analysed, and a lot of trials is used to testify exist of valve noise and influence to pipe system. there kinds of mufflers are proved that they can reduce the fluid niose of pipe system by a large number of experimentation

    對噪聲的抑制裝置? ?消聲器的降噪效果進行了分析,並結合實際工作建立了模擬海水臺架,通過一系列,說明閥門噪聲的存在,及其對噪聲的影響,證明設計的三種結構消聲器對噪聲的良好消減效果。
  19. Power electronics for electrical transmission and distribution and systems - testing of thyristor valves for static var compensators

    輸電和配電系統用電力電子設備.靜態無功功率補償裝置用閘晶體
  20. Recommended practice for test procedures for high - voltage direct - current thyristor valves

    高壓直半導體閘程序推薦規程
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