特規方程式 的英文怎麼說

中文拼音 [guīfāngchéngshì]
特規方程式 英文
specification equation
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 方程式 : capeta
  1. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態數學模型,並根據調高機構的調控與采樣點間頂底板變化的差異,給出了在其采樣區間內的指令控制策略,其法的則條日少、簡單易運算、符合實際控制要求。
  2. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法徵值(通) ,考慮弧形鋼閘門主框架柱的柱端約束的殊情況,求出撓曲線函數(試解函數)通解,得到弧形鋼閘門主框架柱穩定性計算長度系數。其中弧門主框架主橫梁形框架的臨界荷載比較現行范推薦的有限元法簡單便、結果精確及物理概念明確等優點。
  3. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要性及其應用,從四能級速率出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達,並簡述了激光器的工作原理、結構型和倍頻法;其次,以空間相關的速率為基礎,提出了ld端面泵浦nd : yag激光器的設計法,給出了一定泵浦耦合下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響律,提出了ld端面泵浦nd : yag激光位移傳感新法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  4. 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法的一類,並結合具體課題推導出的模型將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,此模型涵蓋了電力系統中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的按電壓偏差進行調節的比例勵磁控制器+汽門比例控制及採用常的按電壓偏差進行調節的比例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。
  5. To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific

    在p坐標垂直渦度中,利用p坐標向z坐標轉換的公將水平渦度向垂直渦度轉化的所有項分離出來,這些項具有明顯的斜壓徵,對其進行尺度分析后,得出在可以忽略潛熱釋放對渦度影響的對流層中、高層,此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現,轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大,不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過中均有指示性意義,在南海季風爆發以後,在中國東南部地區,轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化律,這從側面也指出了,此轉化項的變化是夏季風演變所具有的本質徵,並且它反映出了西太平洋副高在中國大陸的活動情況。
  6. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與法,分析了上埋地下管道橫向力學計算法和性狀並探討了上埋地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓力計算法的基礎上,探討了影響垂直土壓力的主要因素以及改進的法; ( 2 )分別通過彈性理論分析法和結構力學的法,建立了地下管道柔性圓環和剛性管涵的橫向靜力計算,並應用在算例中,把所得結果和有限元法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非線性性、初始應力場以及土體和管道的接觸面因素的影響,利用有限元的思路,建立了地下管道橫向力學有限元計算模型和法,並且採用大型有限元分析軟體ansys ,針對上埋管道工算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和律,並和理論值進行對比;針對施加柔性填料的上埋管道工實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。
  7. Through systemic analyzing on spiral helical gear transmission with different basic parameters, the essay found out rules of how can such basic parameters influence spiral helical gear engagement characteristics. so it brings forward the auxiliary assembling mode of adopting one straight gear and one helical gear on condition of little axial angle as well as treasures to ameliorate ill engagement performance on condition of large axial angle, another two jobs of the essay are to clarify the wrong concept that spiral helical gear can only transmit movement but not impetus and to provide a brief and practical method of analyzing contact for gear pairs whose surface equations can be written out directly

    通過對不同基本參數的螺旋齒輪傳動進行系統研究,找出了螺旋齒輪基本參數對其嚙合性的影響律,提出小軸交角條件下可採用一直齒輪、一斜齒輪的齒輪副組合,給出了大軸交角條件下嚙合性能不良的改進措施。澄清了螺旋齒輪只能傳遞運動不能傳遞動力的誤區,為能夠直接寫出齒面的齒輪副進行齒面接觸分析提供了一種簡便、實用的新法。
  8. In this paper, combined with the research project " study on the design, construction and quality monitoring of foundations in karst and mined - out regions along tanshao highway " financed by the department of communication of hunan province, a deep analysis has been made to find out the factors influencing the safe thickness of bearing stratum under the pile tip in karst region. three simplified models are set up to calculate the safe thickness, from which empirical calculation formulas are deduced. and a few important conclusions drawn from the discussion can be used to guide engineering practice, which are also valuable materials for the revision of current criterions later

    本文結合湖南省交通廳「潭邵高速公路巖溶及采空區路、橋基礎設計施工與質量監控法研究」研究課題,以潭邵高速公路為工依託,通過深入分析巖溶區基樁樁端持力層安全厚度的影響因素,提出了樁端持力層安全厚度計算的三類簡化模型,以此為基礎,推導出了樁端持力層厚度計算公,並通過討論得到了可用於指導工實踐的幾點重要結論,可供今後范的修改參考;本文針對巖溶地區的殊情況,提出了巖溶區樁基設計法及具體設計步驟,並借鑒國內外巖溶區樁基的成功經驗,提出了巖溶區樁基設計處理幾種法,可供同類工借鑒;另外,本文通過具體的工實踐,系統總結了巖溶區樁基施工技術及常遇問題的處理法。
  9. In the second part, when a four - dimensional smooth system has two distinct pairs of purely imaginvalues at the equilibrium y = 0, the 5 - order normal form is given

    第二部分,通過復變量替換和比較系數,在平衡點y = 0處,當徵根為兩對純虛根時,本文給出了一般的四維非線性微分的直到五次的范形具體形
  10. Condensate gas reservoir is a special kind of reservoir and its material balance equation is greatly different from that of conventional gas reservoir

    摘要凝析氣藏是一種殊的油氣藏類型,其物質平衡與常氣藏物質平衡應存在較大的差異。
  11. First, we examine whether the momentum strategies and contrarian strategies can create significant profits under different formulation horizons and holding horizons, whether past factors ( market return, characteristic of individual stock ) can provide an important implication about the profits of momentum and contrarian strategies. second, we discuss the reasons for the significant profits of momentum or contrarian strategies, including seasonality, cross - sectional risk factors, time - varying risk premium, industry momentum, and stock underreaction, overreaction, and random walk. third, we discuss the link of time series predictability of stock returns and momentum profits, including stock underreation, overreaction, delayed reaction, and time - varying risk premium

    研究目的有四:其一,探討中國股市執行慣性策略或反向策略的顯著獲利模及與各狀態因子(市場及個股狀態)的關系;其二,全面分析中國股市慣性與反向效應之潛在成因,包括截面風險因素、季節因素、時變的風險溢價、行業慣性效應以及行為金融模型與conradandkaul ( 1998 )的隨機遊走觀點之爭論;其三,構建非效率市場之股票價格運動,並基於此,范地演進慣性效應之時序生成途徑,包括反應不足、過度反應、滯后反應以及風險溢價的時變性;其四,探討中國股市中投資者的殊信息反應模,並以此來解讀中國股市的中短期過度反應與反應不足的現象,以及個股間的超前一滯后關系的表現模及形成機理。
  12. The first part, the theory and application about wu - ritt differential characteristic sequence method are discussed, which involves the theories of differential equations, abstract algebra and computer algebra etc. we apply wu - ritt differential characteristic sequence method ( abbr. wu - ritt method ) to linear partial differential equations which has physics significance and give the size of solutions and formal taylor solutions

    本文共分兩部分,第一部分討論微分徵列法的理論和應用問題,涉及到微分,抽象代數,計算機代數等重要學科。將吳法應用到具有物理意義的線性偏微分上去,我們給出了型序,驗證了張鴻慶教授八十年代給出的恰當解的概念,刻劃了解的模並給出了形冪級數解。
  13. To be loaded with the matter environments of school and the behivior and figure of educator and the spiri t of class and school, the hidden curriculum indirectly and imperceptibly influences on the moral development of student, the paper dictiss its efficacy of moral education form five aspects : it can lead the moral recongnization and value idea of student ; it can mould the moral feeling of the student and urge the moral will of the student ; it can restrain the moral behavior in order to conform to the standerds of society and cultivate the good moral habit ; it also cultivate and improve the student " ability of oneself education

    隱性課是課堂內外間接的、內隱的,由教育者以呈現,通過受教育者無意識的、非定心理反應發生作用的教育影響因素。隱性課以學校的物質環境、教師行為形象以及班風校風為載體間接的、潛移默化的影響著學生的道德成長。本文從五個面對其德育功效進行論述:引導學生的道德認識和價值觀;陶冶學生的道德情感;激勵和磨煉學生的道德意志;范學生的道德行為,養成良好道德習慣;培養和提高學生的自我教育能力。
  14. Basing on the positional characteristics of double cusps produced in the track of link points of planar four - bar linkage and combining with the synthetic equation of conventional track generator, the constraint equation set for the position of track generator that could realize two cusps ; and by means of successive elimination to obtain the most simplified forms of constraint equation set

    摘要基於平面四桿機構連桿點軌跡產生雙尖點的位置性,結合常軌跡發生器綜合,建立了能實現雙尖點的軌跡發生器的位置約束組,並經過逐次消元,得到了約束組的最簡形
  15. This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band. the main works of this dissertation are listed as following : 1. based on the theory of coupled - wave, using the method of perturbation, the coupled - wave equations are derived and the rule of coupling is gotten. 2

    2 .利用螺旋波紋波導的耦合波和模耦合則,得到波導色散,利用visualfortran平臺編進行數值模擬,分析相關物理參數對色散性的影響;對波導的行波幅值耦合進行數值模擬,從而簡化了耦合,在此基礎上利用visualfortran平臺編進行數值模擬,分析螺旋波紋波導的場分佈情況。
  16. It becomes more difficult to manage, integrate and share the control system real - time data when we set up the industrial real - time database because of complicated affair between every department and isomeric character of the system. a three - level - structure model and the method to establish database is provided based on corba criterion with its character of being regardless of programming languages, hardware platform and network protocol. a universal real - time database faces multi - system is also set up by learning the distributed criterion, it can realize the request broker, and the application software can visit the database pellucidly ; thus the power station simulation model can be linked with the control system such as infi90, ovation and be made use of the control object, a closed simulation and control experiment system is set up

    在創建工控領域實時數據庫時,企業各部門間的復雜事務及內部異構性給實時數據的管理、集成和共享帶來了一定的困難,根據corba范具有語言無關性、平臺無關性和網路協議無關性的點提出基於分散計算范corba的三層體系結構模型及建立與維護實時數據庫的法和途徑;通過corba范建立面向多個分散控制系統的通用實時數據庫,實現數據訪問代理,使應用軟體可以透明地對實時數據庫進行訪問、存取、管理;將infi90 、 ovation分散控制系統與火電廠模擬機模型進行有效的互連,以全物理過模擬數學模型為對象,構建了閉環控制模擬實驗研究系統,實現數據的高效連通及管理;進而通過基於corba的實時數據庫構建一個從火電廠模擬機對象到過控制制設備再到sis系統的綜合自動化試驗平臺。
  17. It result in water level rising, hypo - salinification aggravating, sediment silting up, the lake atrophy, marsh extending and nature disaster such as droughu waterlog ^ salinification occurring frequently. completely analysis to geology and hydrology conditions of the district along yellow river in shandong has been applied in this paper and aquifer ' s hydrological characteristic and subsurface flow ' s characteristic have been analysed as keystone in the paper. after finding out the distribution rule and formation conditions of the shallow layer " s ground water resource, divide the district into three hydrological sections according to hydrological conditions and subsurface flow characteristic

    本文對山東沿黃地帶地質、水文地質條件進行了全面系統的分析,並重點分析了區內含水層的水文地質徵及地下水運動徵,進一步查明了淺層地下水資源的形成條件和分佈律,根據水文地質條件及地下水運動徵,劃分出三個水文地質區,劃分並論證了粘土裂隙含水層的形成及供水意義;確定了科學的水文、水文地質參數,為準確地計算淺層地下水資源奠定了可靠的基礎;根據淺層地下水資源形成點,建立了地下水均衡,據此,計算了區內淺層地下水資源及淺層地下水可采資源。
  18. As for the issues of non - traded assets, applying the approach of stochastic dynamic programming, and under the principle of no - arbitrage, we obtain optimal strategy to hedge the real option in discrete and continuous conditions. and to the problems of special distribution of underlying assets, this paper analyzes the price movement of the underlying assets from the arrival of information, the market efficiency and the market mechanism which decide the price

    對實物資產的殊價值分佈問題,本文從決定資產價格的市場機制、信息到達及市場效率三面來分析實物資產的價格變動徵;並重點研究當基本資產遵循純跳躍poisson過、跳躍擴散merton過及均值回復過時的實物期權定價問題,運用復制定價和隨機動態法,得到確定實物期權價值和風險對沖策略的偏微分
  19. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公來計算三偏心蝶閥的動水力矩,誤差比較大,本文根據三偏心蝶閥的結構點,利用理想流體的定常、無旋流動的假定,用有限差分法在直角坐標系中求解拉普拉斯,得到蝶板截面上的壓力分佈,從而計算出蝶板在各個開度下的動水力矩,設計出了求解的序,給出了序運行的結果並進行了數據處理從而得到了動水力矩曲線,總結了它的變化律。
  20. By way of analysis of heat transfer process of the field - test model, the author formulated a 3 - dimensions heat transfer model which is correspondent to actual performance of buried pipe - in - pipe heat exchanger. coupled with field testing data, the short and long term operation features has been thoroughly analyzed by finite element solution and forward finite - difference analysis of the heat transfer differential equations of buried pipe - in - pipe heat exchanger. by interpreting regularity of continuous and intermittent operations of buried pipe - in - pipe heat exchanger, its heat transfer mechanism has been further explained in this thesis

    本文通過對試驗模型熱過的深入分析,建立了與實際地下埋管換熱器結構參數相吻合的三維傳熱數學模型,通過有限單元法和向前差分法求解相應微分並對分析結果進行關聯耦合,詳細分析了埋管換熱器的短期和長期運行性,對地源熱泵套管埋管換熱器連續運行、間斷運行律進行了解析,進一步弄清了埋管換熱器的傳熱律。
分享友人