負壓峰 的英文怎麼說

中文拼音 [fēng]
負壓峰 英文
peaked minimum
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 壓構詞成分。
  • : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
  • 負壓 : [物理學] negative pressure; subatmospheric pressure
  1. On the basis of that, numerical simulations have been carried out on full - scale cube model with three types of parapets. the caparison of with and without parapets shows that three types of parapets can significantly reduce high negative suction peaks on zones susceptible to wind pressure. formulas have been proposed about the height of those parapets

    在此基礎上對方塊模型屋面分別設置3種女兒墻進行了數值模擬,與未設置女兒墻的模擬結果進行了比較分析,結果表明上述女兒墻都能較明顯地降低屋面風敏感區的負壓峰值,並給出了相應的女兒墻高度限值公式。
  2. Finally, with caparisons of that three parapets properties cantilevered parapets has been adopt to the steel structure of light - weight buildings with gabled frames, numerical simulations have been carried out with that buildings, results of simulations show that device can also significantly reduce the area - averaged coefficient of wind pressure and high negative suction peaks on zones susceptible to wind pressure. formula has been proposed about the height of that parapet

    最後通過三種女兒墻的性能比較確定對門式剛架設置懸挑女兒墻進行數值模擬,結果同樣表明懸挑女兒墻能明顯地降低門式剛架屋面風荷載敏感區的負壓峰值及屋面風荷載體型系數,並給出了女兒墻高度限值公式。
  3. When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    當出口節流調速系統的回油路上串接調速閥時,隨階躍載的增加,在相同流量閥開度、相同溢流閥調節力的情況下,液缸有桿腔力p _ 2 ( t )的超調量是增加的,上升時間、值時間以及調整時間也是增加的;液缸無桿腔力p _ 1 ( t )的超調量是增加的。
  4. On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta

    合成位相反映了太平洋ssta演變特徵,以及相對應的大氣環流異常特徵:當西風漂流區處于暖態而熱帶中東太平洋海溫偏低時,合成大氣模型當中阿留申低減弱, 500hpapna指數為異常;當西風漂流區處于冷態,熱帶中東太平洋處于暖態( elnino值?成熟期ssta典型分佈) ,合成大氣模型中阿留申低加強, 500hpapna指數為正異常。
  5. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐,在二維空間上呈軸對稱的雙分佈,形成於這個倒渦流錐內; ( 2 )修正後的霧化氣體速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有氣液質量流率比( gmr )的大小、霧化氣體流量和倒渦流錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化氣體力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  6. The result shows that the unit has remarkable energy saving effect, and it can relieve the pressure of power supply to some extent for its character of energy storage

    結果表明,該機組具有明顯的節能效果,並且由於其具有蓄能特性,可以在一定程度上緩解夏季電力供應的力,有效轉移高荷。
  7. Positive negative pulse width, totalize, peak voltage, time interval average and time interval delay

    脈波寬度總和值電時間間隔平均及時間間隔延遲
  8. A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike

    針對傳統(半橋)三電平直流變換器的一些不足,本文提出一種倍流整流方式pwm零電開關三電平直流變換器,可以使開關管在全載范圍內實現零電開關,副邊整流二極體無電,無占空比丟失。
  9. Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節力(進口力)下,液缸兩腔力p _ 1 、 p _ 2隨階躍載變化的規律:當出口節流調速系統的回油路上串接節流閥時,隨階躍載的增加,在相同流量閥開度、相同溢流閥調節力的情況下,液缸有桿腔力p _ 2 ( t )的超調量是減小的,上升時間、值時間以及調整時間也是減小的;液缸無桿腔力p _ 1 ( t )的超調量是增加的。
  10. Owing to the rapid increase of local load and the intrinsic defects of equipment, during the peak load period in 2004 many faults occurred in the low voltage urban distribution network

    摘要由於局部荷快速增長和設備本身存在的缺陷, 2004年荷高期間,黃石城區低配網發生了多起故障。
  11. The results that increasing of bias current and shunted resistance and lowing critical current and connected inductance can decrease the transmission time are shown ; ( 4 ) a new type of circuit, ladder shape multiplayer jtl. structure is provided by author, thus output signal of rsfq circuits can be amplified before transfer to room temperature electronics system. it has highly gain of amplify relatively and the double peak structure are avoided through decreasing parasitic capacitance

    ( 4 )針對目前超導與室溫介面電路的電放大器存在的「雙」和放大增益效率較低的不足,提出了一種全新的階梯式多層jtl電放大電路結構,較好的解決了以上的問題,通過初步的模擬分析證實,該電路的構思極有創新性。
  12. A current - doubler - rectifier ( cdr ) zvs pwm h - fb tl converter is proposed in this paper, the proposed converter can achieve zvs for all the switches in a wide load range with the use of the energy stored in the output filter inductance, in the meanwhile, the voltage oscillation and voltage spike across the rectifier diodes resulted by the reverse recovery are eliminated

    為了消除輸出整流二極體反向恢復造成的的電和振蕩,同時使所有開關管在很寬的載范圍內實現zvs ,本文提出了倍流整流方式的zvspwmh - fbtl變換器。
  13. In the modern power system, acute fluctuation of load lead to great difference of wave crest and trough, abundance non - linear load make severe aberrance of current and voltage wave. these factors make remarkable increase of error of energy metering and unrational billing

    現代電力系統中,荷波動劇烈使谷差值很大,大量的非線性荷使電流、電波形畸變嚴重,這些因素使電能計量誤差顯著增大,並使計費不合理。
  14. Saturable inductance is introduced to eliminate the voltage swing and overshooting on the output rectifier diodes, then discusses its parameter design in detail ; find out the mechanism of the body diode ' s reverse recovery effect of the chopping switches, give out several relevant solutions and verified by experiments

    為了消除輸出整流二極體上的電和振蕩,同時為了使滯后橋臂的開關管能夠在寬載范圍內實現軟開關,給輸出整流二極體串入了飽和電感,給出飽和電感的設計方法。
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