氣壓變化率 的英文怎麼說

中文拼音 [biànhuà]
氣壓變化率 英文
allobar
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 壓構詞成分。
  • : 率名詞(比值) rate; ratio; proportion
  • 氣壓 : [氣象學] pressure; atmospheric pressure; barometric pressure; gas pressure; air pressure
  1. Variation ratio of dimensional after water rinse, ultimate strength, neps and pile, tearing resistance, bursting strength, joint strength, commissure ' s swerve strength, fabric shift ( slip ), ventilate degree, elasticity ( resilient rate / deformation rate ), anti - water permeability ( hydrostatic pressure ), extension and resilience, abrasive resistance, gets wet the nature, hydroscopicity, stock ' s transverse ductility, fire resistance, antistatic

    水洗尺寸(縮水) ,斷裂強力,起毛起球,撕破強力,彈子頂破強力,脹破強度接縫強力,縫口脫開程度,紗線滑移性能(滑脫) ,透量,彈性(回復/) ,抗滲水性(靜水) ,延伸及回復性,耐磨性,沾水性,吸水性,襪子橫向延伸,阻燃性能,抗靜電。
  2. They varied both chamber pressure and mixture ratio, making use of a stepfunction change in the oxidizer injection rate.

    他們通過用氧劑噴射速階躍函數的方法來改力和混合比。
  3. The pressure at every point along the pipeline, the gas - liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing pinghu - shanghai gas pipeline in china

    模擬計算了調峰過程中管道儲和供過程沿線各點的力、液相流速和管內持液隨時間的規律,據此結合我國已建成現有的平湖一上海的天然管線,對調峰問題作了深入地分析。
  4. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明,不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲的不同而有不同的規律,而主流雷諾數對葉片表面特別是力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨膜孔位置和來流雷諾數的而情況復雜。
  5. The floating potential, electron temperature, ion density and flux density are all varied with the system parameters. the identical parameters we measured in our system is as follows, the electron temperature is from 1 to 4ev, ion density is among the magnitudes of i09 - io

    文中重點研究了ecr等離子體的特性,並對我們的系統進行了langmuir探針和faraday筒測試,研究了等離子體參數隨、微波功、偏體種類等的
  6. With regard to the special environment of high altitude and ice, this paper mainly studies the effect of altitude ( air pressure ), icing states ( ice amount ) and icing water conductivity on the ac flashover characteristic of composite insulators. furthermore, it analyzes the hydrophobicity of composite insulators in these environments

    針對高海拔和覆冰地區特殊的環境,本文重點研究海拔高度(即) 、覆冰程度及覆冰水電導等對合成絕緣子交流閃絡特性的影響,並且對合成絕緣子在高海拔和覆冰環境下的表面憎水性進行分析。
  7. This paper studies the application of inductively coupled plasma ( icp ) technology to the etching compound semiconductor insb - in film. by means of single probe and double probe, the ion density and electron temperature of chamber ( 30mm and 50mm in height respectively ) under varied process condition were diagnosed. the spatial distribution of the axial position of the two parameters and the varied curve that the two parameters varies with the power and air pressure are obtained

    利用單探針和雙探針診斷30mm高反應室和50mm高反應室在各種工藝條件下的離子密度和電子溫度,得到這兩個參數在反應室軸向位置的空間分佈、隨功曲線、頂蓋接地和反應室體積對它們的影響,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,電子溫度在4 10ev之間;當頂蓋接地時,該處的等離子體密度明顯大於不接地;在同樣條件下, 50mm高反應室內的離子密度明顯大於30mm高反應室。
  8. This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases

    利用朗繆爾探針診斷了反應室內等離子體參數,得到不同位置、不同功和不同下等離子體密度的規律,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,等離子體密度隨著功的增大而增大,隨著的升高而減小,由於離子鞘層的存在,在一定條件下提供了局部等離子體密度穩定的區域。
  9. Thermodynamic analysis on wet compression process is done in this thesis and studies are done on ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, wet compression efficiencies and water droplet breaking. and thermodynamic model of wet compression process is established, which gives out rules of and methods to calculate wet compression parameters

    本文從熱力學的角度對濕縮過程進行了分析,分別對理想濕縮過程、實際濕縮過程、水滴的蒸發速、濕縮功、進蒸發冷卻、濕縮效和水滴的破碎等進行了研究,建立了濕縮過程的熱力學模型,給出了濕縮過程狀態參數的規律和計算方法。
  10. The results show that : the fillers of sio2 based investment consist of sio2, al2o3 and mgo, and the binder is nh4h2po4 for sio2 based investment, the bulk density and the compression strength decrease, the apparent porosity and the thermal expansion increase, when the specimens are heated to 900 ; the fillers of al2o3 based investment consist of al2o3 and mgo, and the binder is nh4h2po4 ; for al2o3 based investment, the bulk density decreases and the apparent porosity increases when the specimens are heated to 900 ; the fillers of mgo based investment consist of mgo and al2o3, and the binder is ca cement ; for mgo based investment, the compression strength decreases and the thermal expansion increases greatly when the specimens are heated to 900

    結果表明:氧硅系包埋料的骨料是氧硅、氧鋁、氧鎂,結合劑為磷酸二氫銨,其900鍛燒后顯增加,體積密度下降,耐強度降低,熱膨脹增大;氧鋁系包埋料的骨料是氧鋁和氧鎂,結合劑為磷酸二氫銨,其900燒后顯增加,體積密度下降,熱膨脹不大;氧鎂系包埋料的骨料是氧鎂和氧鋁,結合劑是鋁酸鈣水泥,其900燒后耐強度明顯降低,熱膨脹明顯增大。
  11. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈;分析了不同基團的相對密度隨宏觀放電條件(微波輸入功、放電、源體流量比)的規律;探討了等離子體中各種基團的生成途徑;在不同源體流量比的條件下沉積了a - c : f薄膜並通過傅立葉紅外吸收光譜( ftir )的測量得到了薄膜中鍵結構的信息;分析了a - c : f薄膜的沉積速及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  12. Abstract : enhancing function of pulsating draught for sintering process is studied with simulative burden in the laboratory. the experiment results indicate that sintering velocity is the fastest along with appropriate pulse draught frequency when negative pressure is lower

    文摘:採用模擬原料,在試驗室內的脈動燒結裝置上,進行脈動流燒結試驗,探討了脈動流的頻和抽風負等因素對燒結過程的強作用
  13. The performances such as air flow, airside pressure drop, waterside heat exchange and power consumed by compressor vs. frosting time under different condition, were simulated and analyzed by using the ashpwch model developed

    採用該模型對機組在不同工況下的性能進行了模擬分析,得到了風量、空降以及水側換熱器換熱量、縮機的軸功等隨結霜時間的
  14. The results show that : the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied ; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance

    結果表明:蜂窩型陶瓷蓄熱體換熱器的力損失隨著空流速以及蓄熱體長度的不同而,但總體上說,其力損失並不大;四通換向閥的換向周期和蜂窩陶瓷蓄熱體換熱器的體積等是影響其溫度效和熱回收等熱性能的重要因素。
  15. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應強對薄膜結構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因;引入脈沖輝光放電等離子體增強pld的相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應體並引入輔助體h _ 2 ,得到了含n量為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果;採用光學發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對等離子體中活性粒子相對濃度和相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和等離子體內反應過程之間的聯系;採用高pe - pld技術研究了不同襯底溫度條件下cn合物薄膜的結構特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面動力學條件可以改碳氮薄膜結構特性,並可顯著提高晶態碳氮材料的生長速
  16. In order to investigate the influence of characteristics parameters on detonation wave in a two - phase pulse detonation engine model. the peak detonation pressures and average velocities of two - phase pulsed detonation wave produced by pde model using gasoline as fuel and air as oxidizer under various ignition frequencies and various mixture ratios are measured systematically, and the relations influencing them are analyzed

    為了探索-液兩相脈沖爆震發動機模型內特徵參數對產生爆震波的影響規律,系統地測試了以汽油為燃料、以空為氧劑的-液兩相脈沖爆震發動機模型在不同點火頻及不同余系數下爆震波的峰值力以及平均爆震波速,並對其進行了分析。
  17. By applying related theory of gas discharge and mathematical statistics, this paper more in - depth and systemic study the influence of the length of air gap, ice state, water conductivity and air pressure on the inception corona and pulse discharge characteristics, included the discharge frequency, discharge amplitude and time interval

    根據試驗結果,用體放電和數理統計方法,分析了覆冰水電導、冰的狀態(乾冰和濕冰) 、空間隙長度、和施加電等參數的對間隙模型的起始放電電、脈沖放電特性、放電頻、放電幅值和時間間隔等的影響。
  18. It depends on the length of delaying closing the valve plate to conduct the varying capacity and avoids some useless work, maintains the work ratio in a little range. in a word, it saves some energy

    此調節系統根據延遲吸閥關閉時間的長短確定排量的大小,從而避免了縮機作無用功,在縮機的情況下,維持比功(排量與功之比)幾乎不,從而節約了能耗。
  19. The keep - up pressure recovery of most oil - gas reservoirs and the gas storage measurement on some depletion reservoirs have been made in china, which have endlessly caused variation of pressure difference between inside - pore and outside - pore, followed by always changes of compressibility, porosity and permeability of rocks due to injection and production time and again of reservoir fluids

    摘要目前我國許多油藏進行了保開采措施及對部分衰竭油藏進行儲庫改造措施,油藏流體反復注采,使得孔隙內外差不斷,導致巖石縮系數、孔隙度、滲透發生著不斷的
  20. The fcr / pcr regulators offer maximum control and fuel efficiency on applications involving preheated air to the burners, or where burners are firing against varying back pressures

    Pcr調節閥具有最好的控制性能和最大的燃油效,應用領域包括爐頭預熱空,或者燃燒爐頭工作在爐內很大的情況下。
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