理論應力 的英文怎麼說
中文拼音 [lǐlúnyīnglì]
理論應力
英文
theoretical stress- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 理論 : theory
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It has been used for reading and context guessing by activating the reader ' s previous knowledge. it ' s also applied in listening comprehension and cloze test. however, schema on vocabulary teaching is sparse, especially on sefc vocabulary teaching
圖式理論常被應用在閱讀理解的研究中,將其應用在聽力理解、完型填空等研究中的文章也不鮮見,但將圖式理論應用在詞匯教學中,尤其是在高中英語詞匯教學中極為鮮見。The emerging interest of research into multi - sensor information theory is viewed as timely since the multiformity, massiness, complex and real - time processing of information in multi - sensor system has gone beyond the human brain capacity of processing information
多傳感器系統中,信息表現形式的多樣性、信息數量的巨大性、信息關系的復雜性以及要求信息處理的及時性,都大大超出了人腦的信息綜合處理能力,多傳感器信息融合理論應運而生。According to theory of bent structure, the paper applies the moment balance and potential energy theory, and works out the modified modulus 1 and 2 for the depth of burying foundation and toft transmutation, which effect buildings dynamic period
根據排架結構分析理論,應用力矩平衡及勢能原理分別推導出地基變形及基礎埋深對結構自振周期的修正系數_ 1和_ 2 。It takes agency theory as its premise, human resource property right as its core, and modern distribution theory and risk theory as its foundation. its basic idea is to give high - level managers headed by chief executive officer the right to purchase common stocks of the company at a certain price and time in the future. through this equity system, it ' s expected to inspirit organizations " management in the long run, avoid operators " short - term behavior, and thus reduce agency cost, improve organizations " management structure, and promote the stability of management, so that both constituents ( stake holders ) and vicegerents " ( operators ) targets of gaining profit will be realized finally
其本質是對經營者的一種薪酬安排;它以代理理論為前提,以人力資本產權理論為核心,以現代分配理論和風險理論為基礎;其基本內容是給予公司內以首席執行官為首的高級管理人員在未來某特定的時間按某一固定價格購買本公司普通股的權力;通過這種機制希望對公司管理層起到長期激勵的作用,避免經營者的短期行為,從而減少代理成本,改善企業的治理結構,促進穩健經營,最終實現委託者(股東)和受託者(經營者)雙贏的目的;它是把期權理論應用於現代激勵機制的一種制度創新,比較符合市場經濟條件下企業經營者的價值取向和企業發展的戰略要求。This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用When a strong tide is disturbed by submarine bedforms, its effect on surface drift, breaking criteria, as well as energy dissipation rate of short wind waves are discussed and for a particular case, these effects are estimated using available experimental formulae for drift speed
本文將phiilips & b ~ r ( 1974 )的理論應用於受地形擾動的強潮流場,探討該潮流場對表面漂流的調制和對風浪破碎臨界條件的改變,並進而討論潮流場對破碎損耗源項的影響,初步給出一個考慮了上述影響的、適用於短重力波的破碎損耗源項形式。Next, the thesis carefully describes the definitions method and course of the mechanical fault diagnosis technology, and the structure ~ algorithm ~ trait and nature of ann model. and it relates the theoretical meaning of the research on the mechanical fault diagnosis technology based on ann theory. the thesis also points out that the peculiar structure and trait of ann have poured into new vitality, so it is possible that the mechanical fault diagnosis technology extricates itself from predicament
其次,本文系統介紹了機械故障診斷技術的定義、方法和過程以及人工神經網路模型結構、演算法、特點和性質,並在此基礎上闡述了人工神經網路理論應用於機械故障診斷技術研究的理論意義,指出人工神經網路獨有的結構和特點為機械故障診斷技術注入了新的生命力,從而很有可能使機械故障診斷技術走出困境。The article structure the landslide prevention and cure, the structure of prestress anchors and its application in detail. basing on the geology condition of fabricating yard, we calculate the solid power and the length of anchor rope. we have worked out the experiment research scheme, and has carried on the earlier stage experiment, field demarcation experiment and has opened pulling the experiment on the spot. ten teams of steel rope to two teams of structure types twist the experimental data that thread internal stress and the total pulling force has been in progress research, and has put forward raising the measure of solid capability of prestress anchor and administering possessing
本文以川藏公路滑坡路段為研究對象,對滑坡的治理、預應力錨索的結構、作用及其在滑坡防治中的應用進行了詳細的分析;基於施工現場的地質條件,對錨索錨固力及錨索最佳錨固段長度進行了理論計算;制定了實驗研究方案,進行了前期實驗、現場標定實驗、實地張拉實驗;對兩組結構型式的十組鋼絞線內應力及總張拉力的實驗數據進行了研究,提出了提高預應力錨索錨固性能的措施,以及具體的施工方案和施工工藝。In the last, the modern control theory and simulink in matlab have been integrated together, and it has been applied in active control of the platform structure elastically supported ; a mechanical model and an equation of motion in state space have been established. based on coc, dynamic response of the platform structure elastically supported has been studied under simple harmonic load ; the influence of different values of weight function to the active control efficiency of the structure has also been discussed
本文還將現代控制理論與matlab的simulink動態模擬軟體包相結合,將其應用於彈性支承平臺結構的主動控制中;建立了彈性支承平臺結構主動控制理論的力學模型和狀態空間內的運動方程;應用經典線性最優控制演算法對彈性支承平臺結構在簡諧荷載作用下的動力響應進行閉環控制;分別從理論和數值計算兩個方面討論了狀態權函數矩陣q和控制權函數矩陣r的不同取值對控制效果的影響。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法For these reasons, we can apply the theory of the model reference self - adaptive control syetem design based on the theorem of balance point stabilization in the force system of asymmetric cylinder controlled by symmetric valve. the main idea of model reference self - adaptive controller is to make the self - adaptive control error incline to zero as time passed. the task to design adaptive controller is to find the control input that can make the output of the controlled system to follow that of the reference model
因此將基於平衡點穩定定理的模型參考自適應控制系統設計理論應用於閥控非對稱缸力系統中,其基本原理是使自適應控制誤差隨時間的推移而趨向于零,自適應控制器設計的目的是尋找使被控系統的輸出漸近一致的跟隨參考模型的輸出的控制輸入,以此來改善被控系統的性能。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+汽門比例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。The formulation for the flow model is given using the finite element / control volume ( fe / cv ) technique based on darcy ' s law of creeping flow through a porous media. the heat transfer model is based on the two - dimensional, transient heat conduction equation, including heat generation. the cure kinetics model is based on kamal ' s model, and the degree of the resin cure as a function of temperature and time
樹脂流動階段的模擬是根據牛頓流體在多孔介質中的滲流理論,應用darcy定律並使用有限元/控制體技術建立起來的;熱傳遞模型是一個二維瞬態熱傳導方程,考慮樹脂反應放熱;樹脂的固化模型利用了kamal提出的固化動力學方程,將固化度取為時間和溫度的函數。The concrete contents include : one background : with the comparison with the western countries, our compulsory education displays a strong government - oriented behavior, which is the root of success and potential failures in our compulsory education two clues : in " ought to be " level, it is " local quasi - public goods - - polycentri supply " and in " be " level, " pure public goods - - monopolized supply by government " one theoretic judgment : the separation of manufacture and provide in compulsory education, which gives the chance for polycentri manufacture of compulsory education one center point : to stick to the main responsibilities of government in providing and managing the compulsory education three contents : subject ( which ? ) : local governments are the responsibilities subject of compulsory education substances ( what ? ) : to ensure the compulsory education ' s public good from the nature, and compulsory education ' s development abilities of the whole local government from the quantity measures ( how ? )
具體內容有: ?一個背景:在中西方義務教育比較出的基本特徵中表現出的強烈的政府驅動,我國義務教育所取得的成績和所蘊涵的危機都在於此?兩條線索:理論應然層面上的「地方性的準公共產品? ?多中心供給」和實然層面上的「純公共產品? ?政府壟斷供給(單中心) 」 ?一個理論判斷:義務教育的生產與提供的分離? ?義務教育的多中心生產的可能性?一個中心:堅持政府在義務教育中責任的主要性? ?提供與管理?三項內容主體(哪一級政府) :根據博奕理論,地方政府是我國義務教育的責任主體內容(負什麼責任) :質上保證義務教育的公益性,量上保證各地方在義務教育發展力上的均衡措施(怎樣負責人通過政府間的轉移支付保證義務教育中的程序正義,通過義務教育的多中心生產,把「麵包做大」保證義務教育中的實質正義當然,在此對本文內容的區分梳理,只是一種思路的順序。2. the static tensile test of unit cells was simulated by finite element method. the theoretical results were compared with the practically experimental results and the rationality and feasibility of the micro - mechanical model was checked
對代表單元體模型在靜態加載條件下的拉伸情況進行有限元模擬,將計算得到的理論應力應變曲線與cu納米微米晶復合材料實際拉伸曲線進行比較,驗證該模型的合理性與可行性。The stress fields in misaligned welded joints, " t " type of plate welded joint, flanged beam and perpendicular flanged beam are calculated respectively, and their stress concentration factors formulation are obtained
採用這兩類單元計算了錯位板接頭、 t型板接頭、工字梁焊接鋼結構和工字梁十字接頭的應力場,得到了相應的理論應力集中系數公式。Shafts and axles, calculation of load capacity - part 2 : theoretical stress concentration factors and fatigue notch factors
軸類.負載能力的計算.第2部分:理論應力集中因素和疲Bated on the dynamic and static data from different heavy - oil reservoirs in liaohe oil - field, starting front the theory of percolation flow through porous media, stress analysis and micro tropic reservoir features, and in combination with consideration of sand production regularity, the sand production mechanism and major factors to control sand production are discussed for heavy - oil reservoirs, and the technical strategy of sand control is proposed
摘要以遼河油田不同類型稠油油藏的動、靜態資料為基礎,從多孔介質中流體滲流理論、應力分析及儲層微觀特徵等方面入手,結合油層出砂規律,對稠油油藏出砂機理及影響出砂程度的主要因素進行了分析,提出了稠油油藏防砂技術對策。Polymer composites filled with carbon black have the characteristics of positive temperature coefficient. the paper introduces the electric conduction mechanism and presents status and development trend of ptc polymer materials
摘要對聚合物基ptc材料的研究現狀及導電機理進行概述,對最近提出的新理論,應力模型和雙臨界物理模型作詳細介紹,並對該類材料的研究展望作詳細論述。分享友人