進氣壓差 的英文怎麼說

中文拼音 [jìnqìyāchā]
進氣壓差 英文
intake pressure difference
  • 進 : 進構詞成分。
  • 氣 : 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 : 壓構詞成分。
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 氣壓 : [氣象學] pressure; atmospheric pressure; barometric pressure; gas pressure; air pressure
  1. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析，並根據流體力學的有關知識以及有關數據（其中包括設計數據、試驗數據和運行數據） ，建立起了被控對象的平均神經網路模型和執行機構（即pwm調壓器和pcm調流器）的數學模型。在此模型的基礎上，從底吹氬工藝要求和控制系統的實際情況出發，提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略，以實現氬氣流量的精確控制。
  2. Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage

    在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上，探討了低煤級煤層氣的生成機制，指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體；進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵，實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。
  3. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  4. The relations between soil surface resistance and evaporating time, and difference of vapour pressure between evaporating plane and atmosphere were simulated. simulating result of the latter was better than that of the former

    同時，還對土壤表面阻力與蒸發時間的關系、與蒸發時間及土壤蒸發面和大氣間水汽壓差的關系進行了模擬，結果后一種比前一種模擬更符合實際。
  5. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  6. The comparison among each cylinder ' s quantity of inlet air was made using the average value of the max pressure of each cycle

    通過比較各缸壓力的最大平均值及其變動系數，分析了各缸的進氣量差異。
  7. A deformational particle with oil - soluable property is used as a bridge plug to build a shielding layer in the oil - gas reservior channel, to prevent the pollution caused by drilling mud entering the reservior due to the pressure difference, and so to protect the oil - gas reservior

    摘要用一種具有油溶性質的可變形粒子做橋塞物，在油氣儲層通道中建立橋堵屏蔽層，防止由於壓差造成鉆井泥漿進入儲層而形成污染，從而起到保護油氣儲層的作用。
  8. Planning and designing a microinjection controller on its structure, parameters and circuit tolerance analysis, etc. aspects. based on the primitive electrical microinjection volume controller driven by air - pressure, an improved one with the pressure - keeping function is fabricated. the new controller prevents the dna - fluid from drawing - back by providing a keeping - pressure to it before or after the microinjection

    （ 2 ）對微注射量控制器進行了系統、參數及容差等方面的方案設計，並在原有的基礎上進行了改進，構建了帶保壓裝置的氣壓電控式微注射量控制器，克服了原控制器在注射前或完成後易產生的dna液倒吸現象。
  9. As compared with the conventional straight well, the horizontal well can greatly increase the contact area between well and reservoir, change the filtrational mode in the vicinity of wellbore in the reservoir and reduce filtrational resistance, thus obtaining higher oil and gas production by a relatively low producing pressure difference

    摘要同常規的垂直井相對比，採用水平井開采能夠大幅度增加油氣井與油氣藏的接觸面積，改變油氣藏中井筒附近區域的滲流方式，降低滲流阻力，進而可以利用較低的生產壓差來實現更高的油氣產量。
  10. In this text we make a diagnosis of linear and nonlinear response of quasi - quadrennial ( qq ) and quasi - biennial ( qb ) component of nino3. 4 index by using reanalyzed ncep / ncar data of sst, wind stress ( pseudo stress ) field, ssp, then have a time and spatial analysis of wind stress field by using mssa, and finally find the importance and contrast the effect of different wind stress field forcing the sea so as to find the cause ofenso irregularity

    本文首先分析海表溫度（ sst ） 、風應力場、海表面氣壓（ slp ）等ncep ncar再分析的月距平場對于nino3 . 4指數的準4a （ qq ）和準2a （ qb ）振蕩成分的線性和非線性響應，接著用mssa （多通道奇異譜分析）對風應力場進行時空特徵分析，最後用一個熱帶太平洋動力海洋模式研究具有不同振蕩性質的風應力場對海洋強迫作用的重要性及差異，尋找enso不規則性的原因。
  11. Finally, the fuzzy control theories has been applied to the p8 system for control the pressure difference of gas side and pump side

    最後，在p8系統上，提出了應用模糊控制理論，對模管進氣端（ gs ）和出氣端（ ps ）的壓力差進行控制。
  12. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  13. 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氣藏進行了保壓開采措施及對部分衰竭油氣藏進行儲氣庫改造措施，油氣藏流體反復注采，使得孔隙內外壓差不斷變化，導致巖石壓縮系數、孔隙度、滲透率發生著不斷的變化。
  14. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內，在不同原料氣組成（即不同的氫氣分壓）條件下，對所制備的鋯表面改性膜進行了滲氫性能實驗，考核了膜對氫的唯一選擇滲透性，結果表明：在四極質譜的檢測下限內，只有氫氣存在，而無雜質氣體通過；在593k 773k溫度范圍內，鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數；其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大，並且呈線性關系；壓力對膜的滲氫系數幾乎無影響；膜的滲氫系數隨著溫度的升高而下降，井巨呈指數關系：根據對實驗數據所作滲氫系數與溫度關系曲線的擬合，在溫度593k 773k范圍內，壓差p 、 0二0
  15. As an inlet structure, the forbay is an important part of the pumping station. the pressurized forbay, close in top structure, is a kind of particular forbay in which water is pressurized. based on the integral hydraulic model test of shanghai changqiao waterwork ' s water - transport pumping station, some research on the hydraulic characteristics of the pressurized forbay has been done in the paper. the main content is listed as follows : l. the hydraulic characteristics of the pressurized forbay in different water supply combination and different pump unit combination without divertion measure, and the reason of the poor flow state. 2. the hydraulic characteristics of the pressurized forbay with diversion pier, and the reason why the flow state can be improved. 3. the experimental research on the critical air suction condition of the pressurized forbay

    本文基於上海長橋自來水廠改造工程送水泵站整體水力模型試驗，對有壓前池的水力特性進行了研究，研究的主要內容如下： 1 、無導流措施的有壓前池在不同供水組合及不同機組開機組合條件下的水力特性，並分析了流態較差的原因； 2 、加設導流墩後有壓前池的水力特性，以及加設導流墩流態改善的原因; 3 、有壓前池進氣臨界條件的試驗研究； 4 、水泵進氣以後水泵性能的討論。
  16. The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess

    研究結果表明：非飽和黃土在動力扭剪試驗過程中，隨著軸向變形的發展，孔隙氣壓力逐漸上升，而孔隙水壓力則基本保持不變或後期略有升高；原狀黃土和重塑黃土的應力應變本構關系呈雙曲線型；非飽和黃土和飽和黃土的強度及變形特性存在明顯差異；進而分析了含水量、固結應力和固結應力比對黃土動力特性的影響本文最後對非飽和土的有效應力計算公式進行了討論。
  17. Standard test method for water penetration of exterior windows, skylights, and doors by rapid pulsed air pressure difference

    使用快速脈沖氣壓差法進行外窗天窗和門的水滲透性標準試驗方法
  18. High quality sensor, unique stress isolated technology and flexible installation and debugging method has ensure the best ratio of performance price for wide plus ds series differential pressure transmitter make it suitable for use in wide industrial field or laboratory to measured and controlled the furnace pressure, air flue pressure and air pressure

    高質量的傳感器獨特的應力隔離技術以及靈活的安裝調試方式保證了wideplus ds系列差壓變送器的最佳性能價格比。它可廣泛應用於工業領域或實驗室進行爐膛壓力風道壓力空氣壓力等的測量和控制。
  19. If the pressure changes over a large area, winds start to blow in a huge circle. high - pressure air ( area ) is pulled into a low - pressure center

    如果大片地域產生氣壓差，風開始以巨大的圓形路線行進。高壓的空氣被牽引到低壓區的中心。
  20. When the autumn kuroshio ssta is positive, the sea - land sea level pressure differences in the east asian region become large in winter, the east asian trough at 500hpa shifts eastward and is deep in its south and shallow in the northern, along with strong north winds in the above area and weak westerly circulation in the asian region

    當秋季黑潮區域海溫異常偏高，東亞地區的海陸氣壓差異進一步加大，東亞大槽北部減弱、南部加深、位置東移，東亞地區的偏北風加強，亞洲地區西風環流減弱，即東亞冬季風加強；反之亦然。
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