比例式 的英文怎麼說

中文拼音 [shì]
比例式 英文
1. [數學] relational expression2. (成比例的) proportional比例式測量轉換器 proportional measuring transducer; 比例式旋轉變壓器 proportional resolver
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
  1. By using transfer function, quantitative analysis, pattern analysis and reduced analysis of driving fatigue can be finished. based on automatic control theory, driving fatigue can be analogized as two parts : inertia link and proportion differential link

    採用傳遞函數將駕駛疲勞定量化、簡約化、模化,借用自控理論將駕駛疲勞類為兩個過程:類慣性環節的響應過程及類微分環節的響應過程。
  2. We use the regional air quality model chimere driven by meteorological fields from regional climate change simulations to investigate changes in summer ozone mixing ratios over europe under increased greenhouse gas ( ghg ) forcing

    研究者使用區域性的空氣品質模( chimere )來模擬氣候條件所增加之綠室氣體對于夏季臭氧混和之改變情形。
  3. It means working to strengthen the biological weapons convention and ratifying the chemical weapons convention. it means taking the lead in a range of international export controls to limit the flow of goods and technologies that could be used to make weapons of mass destruction. during the cold war, for example, we had the cocom regime of export controls, designed to prevent the spread of dangerous technologies to the soviet union and eastern bloc

    當遇害的非裔美人我國的其他族裔高出好幾倍時;當待在感化機構的非裔美人待在大學的為多;當幾乎每三個非裔美人中就有一個在二十幾歲時就瑯?入獄、假釋出獄或受到形司法系統的監督時幾乎達三分之一,這與我們社會中黑人吸毒的百分不成無怪乎黑人要認為有些事情實在錯得太離譜了。
  4. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了較實用的人工挖孔擴底樁軸向承載力計算公。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  5. Crime is a particular product of class society. the study of its causation, development, and treatment is the main task of criminology. traditional criminological theory mostly consists of three research fields : the phenomenology of crime, the etiology of crime, and crime prevention

    傳統的犯罪防治策略主要是以犯罪和犯罪人為主軸而展開的思維路線,這種思維模在很長一段時期內持續左右著犯罪學的研究方向並決定了犯罪防治系統的投資
  6. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等長孔混合器控制空燃;通過提高壓縮來彌補動力性的損失;以動力性為主控目標,對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對性測試。
  7. The ratio of cell body region was highest in mollusc, cellana toreuma 26. 18 %, neverita didyma 28. 13 %, mactra chinensis 27. 53 %. this may be the express in nervous system of mollusc with passive defense strategy, low motor ability and lack of developed sense organ, in environmental adaptation. the ratio of cell body region was lowest in crustacean, squilla oratorio 11. 43 %, gaetice depressus 15. 53 %

    結果發現,軟體動物神經元占神經節體積的最高(嫁(蟲戚) 、扁玉螺、中國蛤蜊分別為26 . 18 , 28 . 13 , 27 . 53 ) ,而且其要大於其他無脊椎動物,這可能正是軟體動物在適應環境過程中的被動防禦策略導致運動能力低下、特殊感官欠發達的身體結構模在神經系統結構上的一種表現。
  8. Whole cell c2d2 reduction by all four mutants comparing to wild type and ni / v mutant was also detected. the result showed that only single a - gln194 substitution did not perturb the stereospecificity of protonation of c2d2. the above comparing results indicate that in mofe protein ( 1 ) a a - gln190 site and its association with homocitrate are important for the transfer of electron / proton to femoco, while a - his194 site and the homocitrate are independent in h2 evolution

    對四個突變株細胞的c _ 2d _ 2還原特性及還原產物中反-順- 1 , 2 -二氘代乙炔的進行了測定並與野生型及nifv突變株相較,結果表明只有- gln ~ ( 194 )替換不影響c _ 2d _ 2還原產物中反-順- 1 , 2 -二氘代乙炔的,即未改變固氮酶還原c _ 2h _ 2加氫的立體構型的專一性。
  9. By means of images processing of satellite, geometrical correction of images from uav rs system was accomplished by polynomial. in the processing of images of wuming in guangxi province, a set of scan large - scale relief maps were used

    借鑒衛星影像的處理方法,將目標區現有的大尺地形圖數字化后,利用多項法完成了廣西武鳴城區無人機遙感飛行試驗影像的幾何糾正,並取得了較好的效果。
  10. Abstract : the analysis of the mechanical and pneumatic control systems of scutcher machines is studied in this paper, a hydraulic control system with electro - hydraulic proportional valve to regulate the force imposed on the cotton lap is proposed. it can improve the quality of the lap, simplify system design and reduce cost. therefore, it is a very promising scutcher machine control system

    文摘:在分析了機械和氣動成卷機成卷壓力控制系統的基礎上,提出了一種採用電液控制技術的成卷機控制系統.它不僅可以提高成卷質量,而且可以簡化系統設計,降低成本,是一種有希望的成卷機成卷壓力控制系統
  11. The paper uses the methods of determining the nature and quantity. the sea coal quantity is forecasted by the index - smoothness method based the demand of the future coal market and distributed by the proportion of different transportation modes of the coal input areas and the economical principle, evaluate the capacity, the equipment and the facilities of the coal harbors, establish the evaluation model and index, and research the capacity and countermeasure of the coastal coal harbors based the forecast of the coal production and consumption market by the system principle

    本項研究採用定性與定量向結合的方法;煤炭海運量預測以未來煤炭市場需求預測為依據,按照主要煤炭調入地區運輸方的分配,並根據煤炭運輸的經濟性和合理性原則,採用指數平滑預測方法進行預測;對港口通過能力和設施、設備的利用情況進行定量評價,並建立相關的評價模型和評價指標。
  12. Process equipment under different choice of pneumatic or electric implementing agencies, forming an aerodynamic ball valve and electrical ball valve, such as pneumatic ball valve regulated to achieve proportional valve positioner to be allocated, such as the electric ball valve to be regulated to achieve proportional election electronic implementing agencies or distribution of electric servo amplifiers

    根據工藝設備不同可選用氣動或電動執行機構,分別組成氣動球閥和電動球閥,其中氣動球閥如要實現調節須配閥門定位器,電動球閥如要實現調節須選電子電動執行機構或配伺服放大器等。
  13. Some research results are achieved as follows : ( 1 ) layout of lpg supply system and modification of body construction are carried out, and structural analyses of fuel supply bracket are performed. then fuel bottle with single - welding line and valve type specially used for lpg motorcycle is designed and fabricated, and boil - off pressure adjuster and mixing unit of lpg fuel supply are successfully developed

    主要工作和結論如下: ( 1 )完成了lpg摩托車燃料供給系的總體布置與整車改裝,及其燃料供給系支架與座墊支承的結構分析和抗彎加固;設計和製造加工出組合閥、單焊縫結構的lpg摩托車專用鋼瓶;實現汽化調壓器與混合器的良好匹配及長縫比例式空氣與燃氣混合器的成功開發。
  14. 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,通過較闡明了dfl理論其本質是逆系統方法的一類,並結合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綜合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、機端電壓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,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對,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。
  15. Law or regulation 2 - digit time proportional

    調節規律:二位時間比例式
  16. T991a proportional temperature controller

    T991a比例式溫度控制器
  17. Proportional electric actuator

    比例式電動執行機構
  18. The temperature of the system is precisely controlled by a proportional valve to maintain within a tolerance range of plus or minus 2 & degc

    本機溫度控制採用比例式控制閥,溫控精準可控制在2 & degc以內。
  19. A full - scale lil system is adopted the noise is iow and the pressure is adjusted automatically and proportionally. it is very accurate and stable

    採用全比例式油路系統,低噪音並具有自動調整壓力大小之功能,精確穩定。
  20. The energy input of the ptcrs is made with the relational expression, with the current limiting function, saving more electricity than the one of the nickel and chromium wires

    Ptc元件的能量輸入採用比例式,有限流作用,鎳鉻絲等發熱元件的開關能量輸入還節省電力。
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