演變微分法 的英文怎麼說
中文拼音 [yǎnbiànwéifēnfǎ]
演變微分法
英文
differentiation-
In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly
本課程主要講述礦物及其共生組合的形成和變化的條件和過程，不同物理化學條件下礦物的成分、結構、形態、物性等標型特徵以及它們之間的內在聯系，礦物及其共生組合在時間上和空間上的分佈和演化規律，礦物成分、結構、形貌、物性等的分析測試方法，礦物地質溫度計和地質壓力計對其形成環境的表徵，不同體系（封閉體系、開放體系）條件下，礦物的穩定范圍和彼此替代順序的共生分析，重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物（族）在成因上的宏觀標志和微觀信息，以及其成因信息在成巖作用和成礦作用中的地質意義。When analyzing the intensity of the drum with the simple numeration and the analogism or the shell theory, the calculative result is not very precise and it " s difficult to describe the nice change of the stress distinctly
採用粗略的簡化計演算法及類比法或者用板殼理論等方法對滾筒進行強度分析，計算結果不是很精確，應力的細微變化也很難描述清楚。This paper, takes rli as an object of study, takes property rights relationship and management relationship of rural land as a main clue, takes raising the management benefit into full play of rural land and ensuring rural land sustainable utilization as objective, uses the theory of western institution economics and market economics for reference, adopts the method of study of combining macro analysis with microanalysis and combining quantitative analysis with qualitative analysis, reviews systematically the developing process of rli in china since the founding of our country and the developing tendency of rli in the world, summarizes the influence law of rli to rural land management benefit, analyses the innovative mechanis m. institutive achievement and being faced with difficult position and gauntlet of the present rli in china, and defines the objective and following principles of rli innovation proceeding from the actual conditions of our country. on the basis of these, constructs the innovative models by stages of rural land property rights institution and management institution, which accords with the market economic law and the law by stages of rural economic developing levels and gives consideration to efficiency and fair
本文以農村土地制度為研究對象，以農村土地的產權關系和經營關系為主線，以農村經濟發展水平（包括農村生產力發展水平和農村工業化、城鎮化水平）和農民的承受能力為依據，以最大限度地提高農地經營效益、確保農地資源的可持續利用為目的，借鑒西方新制度經濟學理論和市場經濟理論，採用宏觀分析與微觀分析、定量分析與定性分析、規范研究與實證研究相結合的研究方法，系統地回顧了建國后我國農地制度的演變過程及世界農地制度的演變趨勢，總結了農地制度對農地經營效益的影響規律，分析了我國現行的家庭承包經營責任制的創新機理、制度績效及其面臨的困境與挑戰，並從我國的實際出發，確定了農地制度創新的目標及應遵循的原則，在此基礎上構建符了符合市場經濟規律和農村經濟發展水平的階段性規律、兼顧效率和社會公平的階段性農地產權制度創新模式及其對應的經營制度創新模式。Based on the rent - seeking theory and theory of relation between government and market, the thesis studies the rent - seeking activities, their macroscopical and microcosmic backgrounds, the rent - creating mechanism, and the performance by the principals of security offering, agency, investing, and government, then analyzed their origin and influence and concluded the countermeasures. the framework of this thesis is as follows : chapter 1 is the pandect, mainly about the issues, the train of thought, the hypothesis, and the methodology ; chapter 2 is the academic groundwork, introducing the theories on rent - seeking, the development of relation between government and market, and security market ; chapter 3 studies the macroscopical and microcosmie backgrounds of the rent - seeking activities in chinese security market ; chapter 4 studies the rent - creating mechanism, which premise the activities ; chapter 5 analyzes the performance and characteristics of the activities. ; chapter 6 studies the origin and influence of the rent - seeking activities, probes into their deep roots, and reveals the harms from the activities through investigation in the resource lavishment and impact on the security market and the whole society, which come in the wake of rent - seeking ; chapter 7 gives the conclusions and countermeasures
本文研究結構如下：第一章為總論，主要介紹了研究的問題、思路、假設和方法；第二章為研究的理論基礎，介紹了尋租理論、政府與市場關系理論的演變以及證券市場的基本理論；第三章考察了中國證券市場尋租活動的宏觀和微觀經濟背景，為研究證券市場尋租行為作了鋪墊；第四章研究了證券市場租金產生的機制亦即創租機制，它是尋租活動存在的邏輯前提；第五章則從證券市場不同參與者的角度具體分析了尋租活動的表現和特點；第六章研究了證券市場尋租活動的原因和影響，探討了證券市場尋租問題所產生的深層次和一般性的原因並從尋租活動本身造成的資源浪費、對證券市場的影響和對整個社會的影響三個方面闡述了尋租活動的危害；第七章得出了研究結論並提出了解決尋租問題的對策思路。The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。
本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward
主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。This article tried to carry out macroscopic induction and microscopic study toward the traditional culture of guangxi ' s han nationality from various cultural levels such as material life, etiquette and custom of life, festival culture, religious beliefs and folk art. and by means of widespread comparison with han and minority nationalities in other regions, this article explored the characters, originating reasons and evolution law of han nationality ' s traditional culture in guangxi and considered the ways of building socialism on the basis of critical inheritance of traditional culture, in order to offer reference to realizing the strategic target " making the residents rich, developing guangxi and new stride "
本文根據馬克思列寧主義關于建設社會主義新文化離不開對民族傳統文化的批判繼承的基本理論，運用廣泛比較和綜合分析的方法，對廣西漢族傳統文化進行宏觀的歸納和微觀的研究，並與我國其他地區的漢族和廣西少數民族進行了廣泛地比較，探索廣西漢族傳統文化的特點、產生原因和演變規律，思考如何在批判繼承傳統文化基礎上建設社會主義的途徑，以求為實現「富民興桂，新跨越」的戰略目標提供借鑒。And use some theories about marketing channel construction and management, containing relationship marketing theory, supply chain theory, channel authority transfer theory, stimulating theory and game theory, analyze the macroscopic and microcosmic change of the whole medicine industry, and find out the opportunities in the market and challenges confronted with. through analyzing the macro and micro environment of the whole medicine industry, studying the development of medicine industry marketing channel - model and the feature of update model, relating with the experience of the same company ' s channel construction, the author study the xiamen meacon co. with realizing its marketing channel actuality, using swot analyse way, analyze its features and problems
本論文採用實證研究法、深度訪談法、定性與定量相結合的方法，運用營銷渠道構建及管理的相關理論，包括關系營銷理論、供應鏈理論、激勵理論、渠道權力轉移理論以及博弈論等理論，通過分析整個醫藥行業的宏觀和微觀環境變化，研究醫藥市場營銷渠道模式演變過程和現有模式的特點，並結合相同類型企業渠道建設的經驗，針對廈門美康制藥公司的營銷渠道的現狀，分析其特點以及存在的弊端，並根據消費品營銷渠道一般模型，提出了其營銷渠道框架的重構方案，即美康公司四級營銷渠道的構建方案。In this paper, the methods of atomic simulation, such as molecular mechanics ( mm ) and molecular dynamics ( md ), have been used to study the evolvement of microstructure and properties of pyc interphase of c / sic composite. the influences of the evolvement on the mechanism properties and environment properties of c / sic composite have been investigated also via the use of cerius soft package
本文正是用原子級模擬的一些方法，如分子力學、分子動力學等，藉助cerius ~ 2材料設計軟體來研究c sic復合材料熱解碳界面相區域的微結構及性能演變，及其對復合材料整體力學性能及環境性能的影響。In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made
論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique
針對葉片的結構特點，採用適應較強的三維八節點實體單元模擬葉片，建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時，受到離心力作用，使葉片發生大變形，故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態，建立了考慮葉根?輪緣接觸的有限元方程，利用拉格朗日增廣演算法來求解該方程，確定葉根輪緣之間的接觸面狀態。The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling
本文應用系統理論，建立了水質多參數輸入輸出之間的響應關系；根據河流水文水質變化特點和參數反問題的需求，建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論，作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論；還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性，將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用，成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果Abstract : the paper proposes a mathematical model of a / d converter with quantizing error, nonlinearity and differential nonlinearity errors for computer simulation, and based on the model, the errors caused by voltage change, current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms
文摘:本文提出了具有量化誤差、非線性誤差和微分非線性誤差的a / d轉換器的數學模型，在該數學模型的基礎上，模擬分析了非同步采樣法、準同步采樣遞推演算法各種情況下的誤差，包括功率測量中電壓線性、電流線性、相位變化誤差及電壓測量的誤差。Proceed from development of peasant household ' s micro - economic analysis model, summarized, summed up and settled the peasant households " utility models, utility behavior models, production behavior models, etc. adopted systematical effective analytical method to research peasant household production, consumption, utility, etc. stage construction, many angle, have explored out the function mechanism of the structural adjustment decision behavior of peasant households further
從農戶微觀經濟分析模型的演變出發，對農戶的效用模型、效用行為模型、生產行為模型等進行總結、歸納和梳理。對農戶生產、消費、效用等多層面、多角度採用系統有效的分析方法，進一步發掘出了農戶的結構調整決策行為的作用機理，得到了一個包含消費、投資、效用與需求在內的農戶決策行為的成因機理的核心方程，並建立了理論模型和計量經濟模型相互溝通的具體「橋梁」 。In this paper, to resolve the coupling phenomena between temperature and humidity in wood drying system, a bp neural network based pid controller is proposed and applied to wood drying system. the architecture and learning algorithm of the proposed controller is more simpler and the physical meanings of the input layer ' s neurons and output layer ' s neurons are explicit. based on predefined control rules and self - learning, the bp network changs the scaling integral and differential parameters, therefore is able to control the variants using classical pid control algorithms and at the same time, decoupling control is implemented as well during the control procedure
本文針對木材幹燥過程中溫、濕度耦合的現象，提出一種將新的基於bp神經網路的pid控制器應用於木材幹燥控制系統的方案，其結構和學習演算法相對簡單，輸入層和輸出層神經元物理意義明確；它根據設定的某一控制規律，通過網路的自學習，調整pid控制器的比例、積分和微分參數，從而利用經典的pid控制演算法得到相應各變量的控制量參與控制，並在該過程中實現解耦控制，而不用給定樣本信號進行在線的學習。The second part, with the aid of many types constructive transformation and symbolic computation ( especially wu algebraic elemination method ), some topics in nonlinear evolution equation are studied, including exact solution ( solitary solution, periodic solution, rational function solutions and jacobian function solution ), backlund transformation, cole - hopf transformation, dromion solution and its construction etc. charter 2 introduces ac = bd model and its application about partial differential equations
第二部分以構造性的變換及符號計算特別是（吳代數消元法）為工具，來研究非線性演化方程中的一些問題：精確解（如孤子解、周期解、有理解和雅可比橢圓函數解（雙周期解）等） 、 backlund變換、 hopf變換， dromion解及衰變結構等第二章介紹了求解pdes的ac = bd模式及其在偏微分方程中的作用。The mechanism is divided into finite elements and researched by ked method. then kinematic differential equations are established for each element and the general kinematic differential equations are built through assembling all the elements. a closed numerical method based on the mode superposition principle is employed to solve the equations
將四連桿機構劃分為多個有限單元，建立其單元運動微分方程和系統運動微分方程，運用實振型疊加法的閉式演算法求出機構在一個運動周期中各個廣義坐標方向的彈性位移，同時求出機構不同位置時各構件上動應力分佈情況、機構前四階振型變化情況。It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used
（ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。The equal - grain - area - circle diameter and the roundness were defined to scale the form factor and quantified the degree of the grain ' s globalization. metallographic analysis, xrd, tem and edax were expired to observe the evolution of the microstructure, the changing of the phase and the changing of the component
定量測試晶粒的等積圓直徑和球化度等形貌參數，比較形變組織的半固態球化效果，採用金相分析、 xrd 、 tem 、 edax等方法觀測組織演變過程特點，並考察第二相及微區成分的變化。Adopting the methods of combining static analyses with dynamic analyses, macroscopic analyses with microscopic analyses, and quality analyses with quantity analyses, the dissertation has probed into mechanisms on development of agricultural natural resources use in pylr based on its development process, in order to realize agricultural natural resources sustainable use in pylr and other similar regions
本課題採用靜態分析與動態分析相結合、宏觀分析與微觀分析相結合、定性分析與定量分析相結合的研究方法，從鄱陽湖區農業自然資源利用的演變過程中，尋找引起這種演變的機理、揭示其主要發展因素以及這些因素之間的相互關系，為促進鄱陽湖區及其類似地區的農業自然資源可持續利用提供理論分析的基礎。分享友人