綜合壓差計 的英文怎麼說

中文拼音 [zōngchā]
綜合壓差計 英文
multiple manometer
  • : 綜名詞[紡織] (織布機上使 經線交錯著上下分開以便梭子通過的裝置; 綜片) heddle; heald
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 壓構詞成分。
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 綜合 : 1 (歸在一起; 聯合成一個統一的整體) synthesize 2 (不同種類、不同性質的事物組合在一起) syntheti...
  1. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結線性二次型最優控制理論設出大型汽輪發電機的非線性控制器及機端電最優控制器,通過模擬實驗與採用常規的按電進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電進行調節的比例式勵磁調節器和基於二次型性能指標設的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  2. Research and conclude the methods to determine blood pressure, present a method that systhsis the mean value method, comparing method and empiric coefficient method of the oscillometric blood pressure measurement

    研究歸納血檢測方法,提出了一種示波法測血值法、比值法和經驗系數法的血檢測算方法。
  3. 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,本著信息、判斷、解釋、評價的原則,充分利用露頭地質,鉆測井資料,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,並建立了以靜水力為主的重力流系統和以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。
  4. The differential pressure determined from these calculations can ensure safe testing and reliable testing results

    這些算結果所確定的生產可以確保測試過程的安全及測試結果的可靠性。
  5. To ascertain how to produce differential pressure reasonably during the course of high temperature and pressure gas well testing, we must consider synthetically the following situations : both liquid in well bore and solid phase particles of mud in strata can be carried out through airflow ; we must avoid sand production out of borehole walls and make the selected differential pressure meet the demands of the testing instrument capability ; the calculation of differential pressure when no sand comes out of strata covers the calculation of strength of rock of borehole walls and airflow velocity, etc

    摘要高溫高氣井測試中理生產的確定需要考慮使氣流能夠在井筒中攜液、返排侵入地層中的泥漿固相顆粒、避免井壁出砂、滿足測試工具性能要求等;地層不出砂算還涉及到井壁巖石的強度算、氣流流速算等。
  6. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性的工程特性,通過採用不同方法穩定該類土作底基層材料的力學性能研究,從技術、經濟角度評價,得到滿足規范抗強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配比設、施工、等方面進行優化,從而顯著減輕了基層的早期及長期縮裂程度,從而提高了路面的耐久性。
  7. Abstract : conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    文摘:為解決船舶在向大型化、高速化方向發展時船舶主機設困難,機艙布置不理以及機動性能等問題,提出了一種新型船舶推進方式,即船舶推進.給出了該推進方式的推進原理,通過工況配特性曲線圖,對其工況配特性進行分析,對該推進方式的優缺點進行討論並對其重要組件液泵以及馬達進行設算.結果表明船舶推進具有其獨特的優點,是對現有船舶推進方式的有益補充
  8. Conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    為解決船舶在向大型化、高速化方向發展時船舶主機設困難,機艙布置不理以及機動性能等問題,提出了一種新型船舶推進方式,即船舶推進.給出了該推進方式的推進原理,通過工況配特性曲線圖,對其工況配特性進行分析,對該推進方式的優缺點進行討論並對其重要組件液泵以及馬達進行設算.結果表明船舶推進具有其獨特的優點,是對現有船舶推進方式的有益補充
  9. Firstly, with the application of both morphologic translation and human body feather analysis on binary graph, the human body contours are extracted by exploited moving information, producing perfect human face region segments ; secondly, in order to form an accurate border, the author presents an improved statistical color model, which has removed redundancy successfully ; finally, a high compression rate is achieved by way of combining wavelet transform and different chain codes

    首先利用運動信息分割出人體輪廓,並運用人體的特徵與形態數學的方法成功地分離出人臉大致區域;然後採用基於改進統彩色信息模型方法,精確分割出人臉區域,去掉了不相關的冗餘信息;最後提出了利用圖像小波變換結分鏈碼技術描述了人臉對象,並實現了高效的視頻縮。
  10. This article links to the plant no. 6 project, studying the measure of pressure reduction and energy removal of large caliber and long distance water delivery pipe in big difference of elevation and topographical form area. the writer gives new measure of pressure reduction and energy removal, according to the theory of pressure reduction and energy removal, planning a composite energy removal construction, and put to use effectively in many water supply projects. it is the first example that people use concrete construction to remove high pressure in large caliber and long distance water pipe in china

    本文結西寧市第六水源工程,對高大、地形地貌復雜地區大口徑長距離輸水管道消能減措施進行了研究探討,提出了全新的減消能方案,根據減消能原理,自行設出了式消能構築物,並應用於多項輸水工程中,效果良好,成為國內首例採用鋼筋混凝土構築物消除大口徑長距離輸水管道較高力的案例。
  11. In this paper, a theoretical investigation of the drag reduction for underwater submarine by riblet biomimetic non - smooth surface and microbubble carried out, the prime mechanism of two drag reduction technology is open out, and provide theoretical foundation for engineering, which proved efficiency of thruster

    粘性摩擦阻力在低速前進時對航行器的阻力起主導作用,而在高速航行時阻力是主要的,因此在設當中考慮了兩方面因素,使表面結構具有雙重減阻特性。
  12. In the conventional pmsm dtc system, the stator flux linkage is calculated from the integration of the difference between the machine input voltage and voltage drop across the stator resistance, and the input voltage is obtained by synthesizing the dc - link voltage and the switching mode of the inverter

    在常規直接轉矩控制系統中,定子磁鏈是通過直接積分電機端部輸入電與定子電阻降之算得到的。電機端部的輸入電又是通過電機直流母線電和逆變器的開關狀態得到的。
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