測壓水頭 的英文怎麼說

中文拼音 [shuǐtóu]
測壓水頭 英文
piezometric head
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 壓構詞成分。
  • : 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...
  • 水頭 : waterhead; head; flood peak水頭落差 head fall; 水頭坡降 water table gradient
  1. The piezometric head is also measured from the same datum level.

    測壓水頭亦應從同一基準面算起。
  2. Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc

    能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微波泄漏、功率、溫升、濕熱試驗、灼熱絲、平燃燒、垂直燃燒、漏電起痕、球試驗、防雨淋、防濺、粉塵、鹽霧、耐久性(壽命)試驗、電機負載試驗、電源線彎折、電源線提拉、拉扭力試、燈互換性、安全結構檢查等。
  3. 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

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高、大泄流量情況時存在的一些力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的流運動特徵進行了比較全面的量,包括空腔形態、徑向流速分佈及井壁強等;二、提出了豎井空腔段螺旋力計算方法,其計算結果與實值吻合良好;三、利用試驗與計算結果,對旋流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試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高、大流量條件下,豎井空腔段下部流速很高,盡管流螺旋運動引起的離心力可以確保井壁強保持正,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。
  4. All henbert products are of high technology content, humanization design, easy - operated, and superior performance, all of which are the impetus to make her to be a famous brand domestically and overseas, as well as enjoy high reputation of the whole trade

    科技含量高,具有人性化設計操作簡便性能優越。是中國名牌產品和出口名牌產品,在全行業享有盛譽拳產品凡亨牌熱風縫口密封機試機自動補漏機。
  5. In case of a vertical veseel tested horizontally in the shop, the test pressure shall relate to the design pressure adjusted for static head when the unit is in the vertical position

    5如果立式容器在車間進行試,力應相對設計力進行調整,當裝置在立式位置時調整靜封
  6. The open angle, head loss and hydrodynamic pressure under the rated flow and several kinds of proportion are carefully observed in the model test, and these results are given for reference in engineering design

    階段模型試驗中詳細觀了在額定流量下,不同比重拍門的開啟角度,損失及門體動力變化情況,以供工程設計應用參考。
  7. The sprayer is usually connected with water supply network, control value, detection alarm unit, etc. to form an automatic water spray system ( such as sprinkler fire - extinguishing system ) for saving electrical equipment, fighting burning flammable liquid, etc. it is widely used for fire control and cooling protection for such equipment / places as power plant * generating machinery, large size transformer, liquefied petrolatum tank, factory, shopping mall, hotel, warehouse, storied building and so on

    霧噴通常與供管網、控制閥門、控報警器等組成自動噴滅火系統(如雨淋噴滅火系統等) ,用來撲救電氣設備,可燃液體火災等,廣泛用於保護電廠的發電設備,大型變器,液體石油儲罐、工廠、商場、賓館、倉庫、樓房等必須滅火、控火或防護冷卻等場所。
  8. Zhejiang lead product technic co., ltd hereinafter referred as lead is invested and established by twelve shareholders including zhejiang inspection and quarantine technic center etc. it specializes in the testing of safety, sanitation, environment - friendliness, and quality items on foodstuffs, textile products, mechanical appliances, electrical appliances, chemicals and minerals etc. and it also provides services such as accreditation, quality assurance, manufacturing control technology and other consultation. lead lies in the center of zhejiang provincehangzhou, which enjoys the most rapid economic growth and is also the main production area of export foodstuffs, textile products, mechanical and electrical products

    食品紡織品機械電器化工礦產等產品涉及安全衛生環保等項目的實驗室檢,包括蔬菜果茶葉肉禽蛋罐食品產品乳製品蜂產品中農藥殘留獸藥殘留添加劑重金屬及微量元素等檢服裝面料皮革製品玩具中偶氮染料重金屬甲醛六價鉻以及耐洗磨擦色牢度成分等理化指標的檢家電電動工具燈具低電器的安全性能等的試。
  9. The direct optimal model of multi - objective mixed discrete variables for lager - scale water supply system was established, by replacing complicated network hydraulic equation with nodal pressures macroscopic model and relationship model between pump stations flow and head in water supply systems without tanks or towers, genetic algorithm was developed to solve the direct optimal model

    力宏觀模型、源供量和源供之間的關系模型替代復雜的管網力平衡方程,建立了大型供系統的多目標混合離散變量的直接優化調度模型。在沒有池和塔的供系統中,利用遺傳演算法對直接優化調度模型進行求解。
  10. The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration

    本文以成藏動力學理論為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露地質,鉆井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史模擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過流體勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜力為主的重力流系統和以差異實作用為主的實流系統的流體動力分佈模型;通過成藏動力學系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。
  11. A modified svm model was proposed and implicit function relationship between nodal pressures and pump station flow, pump station head was established based on modified svm model

    本文提出了一種改進svm演算法,並基於該演算法建立了力和泵站流量、之間的隱式函數關系。
  12. Sound system equipment - headphones and earphones associated with portable audio equipment - maximum sound pressure level measurement methodology and limit considerations - general method for " one package equipment

    音響系統設備.與便攜聲學設備相連的耳機和戴送受話器.最大聲量方法學和限制.成套設備通用方法
  13. Standard test method for water penetration of metal roof panel systems by static water pressure head

    通過靜試金屬屋頂格間滲透性的標準試驗方法
  14. Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests

    船閘輸反弧閥門開啟過程中,后廊道內發生急變分離流,負、高速流以及力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀和物理模型試驗研究證實。
  15. With the in - built drip irrigation belt and thin wall chip irrigation belt taken as examples, the flow rate distribution and hydraulic losses of drippers along capillary tubes at different inlet pressures were measured under the conditions of horizontal slope and slope gradients of 0. 5 % and 1 %, then the uniformity of capillary tubes was calculated at different slope gradients and pressures in consideration of the manufacture deviation of drippers

    摘要以內鑲式滴灌帶和薄壁滴灌帶為研究對象,定了平坡、 0 . 5 %坡度和1 %坡度時,不同入口力下滴沿毛管的流量分佈和力損失,並結合滴的製造偏差,計算得出不同坡度和力條件下滴灌毛管的均勻度。
  16. Based on the principle of hydraulics, the general equation for head loss and the formula for calculation of pressure head along the flexible hoses were worked out, and the method for determination of the maximum and minimum heads and their positions was given

    摘要根據力學原理建立了軟管沿程損失的一般方程,得出了軟管沿程的計算公式,給出了確定最大和最小位置及大小的方法,從計算結果與試驗實結果的對比看,具有一定的合理性。
  17. The labyrinth - type emitter can be directly applied to irrigation experiment, the flow rate of 8 emitter prototypes are mensurated under 12 pressure values on the test - bad. moreover, experimental data are analyzed with multivariable linear regression in matlab, formulas of pressure versus flow and regression plots for 8 different emitters are induced from the regression analyses

    製作出的一體化滴原型直接連接到力性能試驗臺上進行流量試驗,定了12個力點下8種滴原型的出量;應用matlab軟體中的多元線性回歸演算法對所得試驗數據進行了回歸分析,得出了8種滴力流量公式和回歸曲線圖。
  18. 3. testing all the hydraulic parameters of the sprinkler installed with adjuster such as working pressure, water flux, the range of the sprinkler, intensity of water drop impact, characteristic of water distribution, etc. according to the testing data, we can learn the quantitative relations among the structure of the adjuster, working pressure, diameter of the nozzle, elevation of sprinkler, wind power, velocity of rotation and the range of water

    試安裝「力調節器」后的噴力性能參數,即工作力、流量、射程、滴的打擊強度、噴灑分佈特性等。依據所得的噴力性能參數和射程數據,我們可較清楚的了解「力調節器」的結構形式、工作力、噴嘴直徑、噴射仰角、風力、旋轉速度和噴射程之間的定量關系。
  19. In this article, through lab and engineering site trials that the physical data of new type pipe materials is corrected, the results are as follow : ( l ) the expansion coefficient of new plastic pipe materials is more large than that of iron pipe. ( 2 ) new plastic pipe materials have different heat - resisting character and according to the water temperature to choose pipe materials ; ( 3 ) the loss of head of water for new type pipe materials is more smaller than iron pipe and also correct the loss of head of water that calculated by theory ; ( 4 ) probing into the press - resistance character of new plastic pipe materials

    本文通過試驗室試驗及工程現場試驗,對新型給排管材的幾個重要的物理性能參數進行實驗定,糾正了以往的錯誤認識。研究結果表明: ( 1 )新型塑料管材線脹系數遠遠大於鋼管和鑄鐵管,設計和施工中要嚴格考慮管道的伸縮; ( 2 )新型塑料管材耐高溫性能各不相同,需根據管內溫選定管材; ( 3 )新型管材損失遠小於鋼管,並對原損失計算公式進行了修正; ( 4 )對于塑料管材的耐性能進行了探討。
  20. So by this method, we can test the water content of the raw cement slurry through testing the velocity of the detector, it is certainly that it can test other slurry, such as paper slurry, mud slurry, mine slurry ctc. the fluid mechanics charactoristic of the slurry is complex, therefore it is difficult to establish the two - dimension or three - dimension mathematical modle to decide the relationship between the water content and the revolving speed of the detector. so the research for rotational detector in this topic is through the method of proper regressive analysis of experimental datas to establish the relation among the water content, the palse and the voltage

    料漿的流體力學性能是復雜的,要想通過建立二維或三維的仿錐形旋轉式檢在料漿中旋轉的流體力學數學模型,來確定料漿分含量與檢的轉速關系是十分困難的,甚至是不可能的,因此本課題對于旋轉式檢的研究,是通過對實驗數據進行多元線性回歸的處理方法,建立起分含量與紅外線對管輸出的脈沖數p及電源電之間的關系。
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