構象反轉 的英文怎麼說
中文拼音 [gòuxiàngfǎnzhuǎn]
構象反轉
英文
comformational inversion-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。The essay plans to explore and research the transition from the following aspects : defining and realizing " the moral education model " ; self - examining and sorting out the merits and demerits of our previous moral education model ; analyzing and researching the challenge from the appearance of chinese society ; exploring the main basis of moral education structure on an even pro founder level ; considering the structure of moral education model
一是界定和認識「道德教育模式」 ；二是清理和反思我國原有道德教育模式的利弊；三是從現象層面分析和研究社會轉型對原有道德教育模式提出的挑戰；四是從深層次分析和研究道德教育模式轉變和構建的主要依據；五是對新道德教育模式的構建進行總體上的探索性思考，這是本文研究的重點。The phenomena of initial disturbance vorticity translating into spiral bands is most evidently for it locating at the periphery of radius of maximum wind ( rmw ), near rmw next and the spiral bands vanish when it is positioned in the inner core region. indicating that the farther the distance from the tc center, the more distinctly the spiral bands and the opposite is true
初始圓形擾動渦度場轉化為螺旋臂渦量帶的現象是初始擾動位於渦旋最大風速半徑（ rmw ）外圍最顯著，其次是rmw附近，當擾動位於渦旋內核區時幾乎沒有螺旋臂結構形態出現，表明，初始擾動離tc中心越遠，其強迫渦旋rossby波形成的螺旋帶結構越明顯，反之越弱。In this paper, we take the reconstruction of surface of revolution as our main aim, and by using the delaunay triangulation, the definition of curvature and the theory of b - spline, we present a way of reconstructing surface of revolution from point cloud. the main content of this paper is given in the following. computer aided geometric design and reverse engineering are the basis of this article
本文以旋轉面重建演算法為主要研究對象，應用三角部分、曲率的定義以及b樣條理論提出了一種由點雲數據構造旋轉面的方法，主要工作如下：計算機輔助幾何設計以及反向工程是本文的理論基礎，因此論文的第一章對其進行了簡短的回顧和綜述，並給出了旋轉面重建演算法目前的研究狀況。Structure analysis indicated that the molecule of hwtx - i consists of a small triple stranded anti - parallel ( 3 - sheet and five ( 3 - turns. the n - terminal, c - terminal and most basic amino acid residues are located in the surface of the molecule
構象研究表明， hwtx -由一小段三股反平行的-折疊和5個-轉角組成，肽鏈的n端和c端以及多數堿性氨基酸殘基都分佈在分子表面。There are many problems in dividend distribution of listed companies in china : an obvious tendency of abusing dividend signal, dividend policy being discontinuous and unstable, a general phenomenon to distribute little and non - distribution. dividend plan is often accompanied by capital stock expansion such as share allocation and capitalization of share premium. list company usually mistakes allocation dividend distribution, highly encloses money under the pretence of it
目前，我國上市公司股利分配存在的問題主要包括：上市公司濫用股利信號，股利政策缺乏連續性和穩定性；上市公司存在不分配或少分配股利現象；股利分配方案往往伴隨著配股，轉增資本等股本擴張行為；誤將配股作為股利分配，以此為幌子大把圈錢；違反同股同權、同股同利的原則，有失公平；股權結構的差異和股本規模的不同形成股利分配的差異，等等。For surgery tools models, this dissertation presents an algorithm to transform models constructed in solid modeling system to the developed virtual system in which surgery tools models can be constructed conveniently, accurately and parameterizely. the constructed models can have high level third dimension effect. for slice - imagings, this dissertation gives an algorithm for rebuilding solid model from triangulated patch surface model and the rebuilding processing function as an important function in reverse engineering has been added to 3d - modeler system, which is a feature solid modeling system developed by cad lab of dut, so the reconstruted bone model can be further processed in the cad system
研究了實體幾何模型向三維表面模型的轉化，針對手術規劃及模擬教學系統中的醫療器械模型，提出了一種利用三維實體造型系統構建實體模型，然後轉化為本文虛擬系統所支持的表面模型的方法，能夠方便、精確和參數化地建立模型；針對斷層掃描圖象，給出了基於ct圖象反求技術進行實體幾何造型的主要步驟，以使骨骼模型能夠在本研究所開發的特徵造大連理工大學博士學位論文型系統3dm 。The theoretic singifcance of the research is that it can enrich the content of the general theory of anti - monopoly law, which is generalized and abstracted from the system of anti - economic monopoly, for the dissertation focus on not only fundmentals about administrative monopoly such as administrative monopoly ' s concept, composition, types, main causes, essence and features, but also the system of anti - administrative monopoly in such countries and regions as russia, ukraine, eu and u. s. meanwhile, the research has methodological significance in perfecting the fundamental theory of economic law
這種研究的理論意義在於：一方面，可進一步豐富和完善反壟斷法的一般理論。既往反壟斷法理論局限於對反經濟壟斷制度的抽象和概括，與反行政壟斷較少關聯。本論題不僅探討了行政壟斷的概念、構成、分類、主要成因、本質與特徵等基本理論問題，而且對俄羅斯等轉型期國家、美國、歐共體反行政壟斷的法律制度進行了考察，這種探討與考察可彌補既往反壟斷法理論對反行政壟斷法律制度關懷之不足。The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness. ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency. the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction
本文的主要研究內容： （ 1 ）定量金相分析和顯微硬度測量的方法研究； （ 2 ）利用數字圖像處理技術，實現金相圖像的灰度轉換、二值化、噪音消除、膨脹收縮、圖像增強、邊緣提取等預處理；引入小波理論、基於數學形態學的區域生長法對采樣圖像進行分析，實現了對採集圖像邊緣的有效提取，從而提高了測量精度； （ 3 ）開發了金相圖像分析系統的主體結構（硬體結構和軟體結構） ； （ 4 ）採用windows開發平臺的面向對象程序設計語言microsoftvisualc + +進行系統的模塊化設計； （ 5 ）提出了採用多模式的知識表示方法建立知識庫，應用正反推理、模糊數學模型、基於規則的模式匹配模型建立金相分析專家系統。Firstly, acoustic waves propagation in id quasi - periodic system is studied by means of the transfer matrix method. the transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are obtained numerically. we explain all these parameters " relations with frequency and the size of system, and compare these p arameters with those o f periodic system. we find that these parameters are fractal in this quasi - period system
通過轉移矩陣的方法，數值地得到了系統的傳播系數t _ n 、反射系數r _ n ，能流密度j _ n 、能量密度e _ n 、李雅譜諾大指數_ n ，給出了以上各量與系統大小n以及頻率之間的關系，發現這些量存在著與周期系統不同的準周期性質，其能量會出現局域化現象，能流以及能量密度都具有分形結構，給出了相應的理論解釋。Setup of experimental system and experiment research first, coupling characteristic between flexible appendages and central rigid body is theoretically analyzed. based on simplifying the object studied, its theoretical model is derived by applying lagrange equation, and the coupling characteristic is analyzed. the control modals of flexible appendages are determined through calculating rolling couple coefficient and simulation of real coupling structure
將研究對象簡化為帶有對稱柔性梁的剛性體，分析了柔性附件與中心剛體的運動耦合模式，並對影響中心剛體姿態角的反對稱耦合模式建立了動力學方程，通過對實際結構轉動耦合系數的計算和模擬分析，確定了柔性附件振動控制的重點模態。In this paper, we first introduce the basic background of the study of nuclear structure, some elementary knowledge about and the latest achievements in the study of the phenomena of signature inversion ( si ). then the description of the two quasi - particles plus a rotor model ( prm ) of odd odd nuclei is given. by the model we perform the practical calculations of the yrast bands of some nuclei in a 100, 130 mass region
本文首先簡要介紹了原子核結構研究的一些基本概況以及與旋稱反轉現象相關的一些基本知識和奇奇核旋稱反轉現象的最新研究進展；然後較詳細地介紹了用於奇奇核旋稱反轉研究的二準粒子加轉子模型（ prm ） ，著重對a 100 、 130質量區中的幾個奇奇核的暈帶能譜進行了實際prm計算，結合計算結果，討論了旋稱反轉、三軸形變以及反轉機制等相關問題。Bom conclude bom reality and bom sub - reality, bom reality reflects the architecture of the product, bom sub - reality includes attributes of objects in bom reality and the relation relating to bom n reality. this dissertation also discusses method of bom configuration and design and evolvement for bom in product life cycle. author ' s research focuses on designing bom ( dbom ) changing to manufacturing bom ( mbom ) in pdm, the basic model for bom management is brought forward
文中拓展了bom的內涵，認為bom是由許多與產品結構相關的子對象有機構成在一起的復合對象，它包含本體和從體兩個基本部分，其中本體指bom本身需要反映的對象，從體是這些對象的屬性或者與之相關的對象的關系；文中還研究了bom在整個產品生命周期中的形成和演化以及配置方法，其中重點研究了設計bom向製造bom的轉化，在此基礎上給出了bom管理的原理模型。Using the optimization control method of the moderm control theories, the time - varying control and output - feedback control the authors study the variable structure active control over the rotor vibration with sma, especially the method of restraining the transient response of the rotor vibration. they get the rule of the optimum control force and the optimum control electric current and discuss the influence of variable stiffness on the total system stiffness through analyzing the structure of sma controller. they also indicate the shortcoming of the orthodox design method of a controller, especially the imbalance phenomenon caused by the lack of the rod stability, and propose a new method for improvement and items which ought to be paid attention to in the design stage
運用現代控制理論中的最優控制方法，引入時變控制和輸出反饋控制，研究利用形狀記憶合金對轉子振動進行變結構主動控制，特別是抑制轉子振動的瞬態響應的方法，得出了最優控制力和控制電流的強度變化規律；通過分析形狀記憶合金動作器的結構，探討了變剛度支承對系統總體剛度的影響，指出了傳統設計方法的不足之處，特別是由壓桿穩定性不足引起的失穩現象，並提出了改進的方法和在設計中值得注意的問題The configuration and microstructure of production, the effect of heating temperature and chemistry match ratio on reaction and production, the effect of calcining temperature and time on the changes of production crystal were studied by xrd, tem, dta and microscope
本文通過xrd 、 tem 、差熱分析、金相顯微鏡等手段對所制備材料的結構、組織形貌、點火溫度和化學配比對反應現象和反應產物的影響、煅燒溫度和煅燒時間對產物晶型轉變的影響等方面進行了分析研究。2. some phenomena of price complexity are discovered in csm, which are the complicated structure of returns frequency distribution and its evolution ; persistence and evolution of the market ; stable cycles in long - term, and persistence and reversion in short - term, using these methods, such as statistical test, rescaled range analysis, ljung - box test, bds test, v - statistic, spectral analysis, time - frequency analysis and so on
2 .利用統計檢驗、重標極差分析、 ljung - box檢驗、 bds檢驗、 v統計量、譜分析及時頻分析等方法發現了中國股票市場價格復雜性的三種現象，即收益率分佈的復雜結構及其演化現象、市場的持續性及其演化現象、市場長期穩定非周期循環和短期持續與反轉現象。分享友人