擬等值 的英文怎麼說
中文拼音 [nǐděngzhí]
擬等值
英文
quasi-equality-
Based on analyzing data from thin section, scanning electron micrograph and mercury injection, using nuclear magnetic resonance ( nmr ), rock - electr experiment and numerical simulation techniquess, etc. to analyze main origin of complex oil and water zones
摘要在對薄片、掃描電鏡、壓汞資料分析基礎上，採用核磁共振、巖電實驗和數值模擬等手段，分析研究了復雜油水層的主要成因。The thesis offers the idea of applying the techniques of data - administration, computer transaction, computer graphic and the interaction between computer and people in the emulational research of the construction of three - dimensional geological modeling, which also succeeds in realizing the protracting of the administration of geological data, the layout of industrial section, complex section chart, complicated isoline chart and the three - dimensional geological modeling chart, and in providing valuable references for geological research and technological support for three - dimensional and complex geological research
論文提出了運用數據庫管理技術、計算機處理技術和計算機圖視技術與人機交互技術建立三維地質建模與模擬研究的基本技術思路較成功地實現了地質數據管理、工區布置圖、復雜剖面圖、復雜等值線圖和三維地質模型圖的顯示與繪制，為地質科學研究提供了有價值的參考資料和三維復雜地學研究的技術支持環境。This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section
文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法，並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs （非均勻有理b樣條）曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。Second, the procedure of estimating test equating coefficients may be dull or complex, in this thesis, a uniform procedure, which not only improve the computing efficiency, but also is the base of comparison of various equating methods, is given. third, because the comparison of equating methods is a major part on test equating research, there is not a reliable criterion up to now, in order to compare the new methods with the existing ones, in this thesis an objective approach is given. the new a pproach consists of three steps : 1
最後，由於等值方法優劣的比較是等值研究的重要內容，但迄今為止沒有一個合理的比較標準，為了比較新導出的等值方法和原有等值方法之間的優劣，本文給出了一種客觀的比較標準? ? monte _ carlo模擬，結合偏移平均平方根（ rootsquaremeandeviation ， rmsd ）和wilcoxon符號秩檢驗，將各種等值方法進行了客觀的比較分析。Combined with practical data of shannxi lin hekou hydropower plant, the temperature filed of m and n schemes during construction and operation are simulated and analyzed. the isoline map of stable temperature field of the arch crest girder section and the vertical section in the center of arch dam, the isoline map of unstable temperature field of the arch crest girder section and the vertical section in the center of arch darn during construction and operation and the maximal and minimal temperature value during construction and operation are provided. the distribution law of temperature in the dam and the form reason of high - temperature zone are analyzed and the effect and feasibility of cooling and the zone of cooling are discussed
結合陜西藺河口水電站工程實際資料，對m方案和n方案溫度場進行了施工期和運行期全過程模擬計算分析，給出了拱冠梁剖面和壩體中心縱剖面準穩定溫度場等值線圖以及施工期、運行期拱冠梁剖面和壩體中心縱剖面非穩定溫度場等值線圖，提供了施工期逐月和運行期每年最高、最低溫度等成果，分析了壩體溫度分佈規律以及高溫區形成的原因，並探討了預埋冷卻水管的效果和可行性以及預埋冷卻水管的區域。The thesis comprehensively deliberates stochastic and fuzzy character of controlling the cost of engineering construction ; it takes quantitative analysis as the dominant factor, takes qualitative analysis as the secondary factor, establishes an comprehensive system of controlling the cost, and make various theories, the basic principles and the methods of engineering maths in the analysis and calculation of controlling the cost of engineering construction, such as effect theory, fuzzy maths, value engineering, grey system and system simulation. it also establishes the simple and effective practical model. on the basis of practical example, it puts forwards the train of thought and method to controls the cost of engineering construction in the different stage
本論文綜合考慮了工程造價控制的隨機性和模糊性，以定量分析為主，定性分析為輔，構造了造價控制的綜合體系，將效用理論、模糊數學、價值工程、灰色系統、計算機模擬等多種理論及工程數學的基本原理和方法應用到工程項目造價控制的分析和計算中，建立了簡便而有效的實用模型，並結合工程實例，提出來了不同階段工程造價控制的思路和方法，針對不同的情況，綜合應用定性與定量的控制方法，消除了以往工程項目造價控制只停留于項目實施階段的缺陷，提高了量化研究的水平和準確性，為政府建設管理部門進行科學管理及各建設參與單位今後進一步改進自身的項目造價管理工作提供了寶貴的理論依據。Random number generators are used in many areas including computer simulation, monte - carlo techniques on numerical analysis, test problem generation for the performance evaluation of computer algorithms, statistical sampling, and so on
隨機數發生器在很多領域有廣泛的應用，包括計算機模擬、數值分析上的蒙特卡羅方法、評估演算法的測試問題、統計抽樣等等。The second chapter is about model experiment study, it introduces purpose, scheme, equipment and experiment contents having copperplate and copper ball as object by comparability rule experimenting plenty of physical models, deals with experiment data and makes second field attenuation voltage curves first field isoline both single aperture and mutli - aperture in different situation. in the end, it obtains best depth of multi - aperture source
利用相似性準則進行大量的物理模擬實驗，實驗觀測中以銅板和銅球作為目標體，詳細介紹了模擬實驗研究的目的、方案、使用設備以及實驗內容，並對實驗數據進行了處理分析，作出了不同模擬條件下單、多孔徑的二次場衰減電壓曲線和一次場等值線圖，找出多孔徑作發射源的探測最佳深度。The advancing subjects such as " 3 - type " water transformation, sediment - carrying water quality and ecological simulation were proposed
最後提出了「三水」轉換水質模擬、挾沙水流水質與生態模擬等值得研究的前沿性問題。During the course of establishing this kind of system, we have adopted some advanced instruments and analyzing ways, and used var ( value at risk ) as the base of making models. we also have used regression and historical simulation to evaluate the risks existing during the course of commercial banks " operation, upgraded these ways to make them cooperate with china ' s economic practice, pointed out some indexes and concepts which have practical significance, expanded the academic fields, and connected the normal ways and practical ways together. in this thesis, we have paid more attention to the practical research
在進行風險評估體系的構建過程中，本文充分借鑒了國外先進的研究工具和分析方法，以var （ valueatrisk ）方法作為相關模型構建的數理基礎，採用了回歸分析、歷史模擬等系列研究工具，對我國商業銀行經營過程中的風險情況進行了跟蹤模擬與綜合測評，並結合我國具體現實對所用方法進行了升級與改造，提出了一些具有較強使用價值的指標概念，並在此基礎上進行了進一步的理論延伸，做到了規范研究與實證研究相結合，著重突出了現實意義。The weather analysis and climatic characteristics of the heavy - hard rainfall in this area, structure characteristics during the rainstorm, the mechanism and structure of mesoscale systems bringing rainstorm and etc. are studied by conducting diagnostic analysis, theory of dynamics and numerical simulation. the influence on the rainstorm causing by mesosc ale topography piling on the plateau, the particular valley topography in northeast plateau and complex surface vegetation are researched by numerical experiments
本論文試圖採用診斷方法、診斷和天氣動力學理論相結合的方法、數值模擬等方法對高原地區大到暴雨的天氣、氣候特徵，暴雨產生時的物理量場特徵、產生暴雨的中尺度系統的發生機理和結構特徵等方面進行研究，對疊加在高原上的中尺度地形、高原東北部特殊的外流河谷地形及復雜下墊面性質對暴雨的可能影響進行數值試驗，以揭示高原暴雨發生發展的物理機制。This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic
本文以金奧大廈及其鄰近建築作為研究對象，首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中，運用建築表面動態測壓技術獲得金奧大廈表面的時均風壓系數和均方根風壓系數，繪制時均風壓系數和均方根等值雲圖並分析其分佈的規律和特點。A method of plotting the isovalue line of implicit functions by computer is introduced, the comparison of our method with traditional method of intensity scaling is given. by using of our method, some examples of isopotential and interference in college physics are displayed
通過介紹有關隱函數等值線的計算機繪制方法，與傳統的物理圖形強度定標法作了比較.用此方法舉例模擬了大學物理課程內容中電荷等勢線和波的干涉圖象The high - performance solution of sparse linear algebra equations is very important in solving many problems from science and engineering applications, including computational fluid, simulation and design of materials, data processing in oil exploitation and earthquake prediction, numerical forecast of weather, and numerical simulation of nuclear blast
稀疏線性代數方程組的高效求解是許多科學與工程計算的核心，如計算流體力學、材料模擬與設計、石油地震數據處理、數值天氣預報從核爆數值模擬等都離不開稀疏線性代數方程組的求解。My dissertation encloses the guiding ideology and methodology of the regulation for classification on arable land, emphasizes on studying the conception, goals, objectives, calculations and so on of economic coefficient, explore the methods of scientific, fair, rational, comparable economic coefficient of arable land. put forward " theory of productivity " first and expound and prove principle and algorithm and compare simulated result and true result to the others. believe that " theory of productivity " can solve the problem of less comparable and influence too much exists in the result of economic coefficient
本文圍繞《農用地分等規程》的指導思想和方法體系，重點研究了土地經濟系數的概念、設置目的、設置目標、計算方法等基本問題，探討了科學合理的、協調可比的農用地經濟系數的計算思路與方法；首次提出並論證了「勞動生產率法」的原理、演算法，並通過模擬數值和實際計算將該方法的計算結果與當前有關經濟系數計算的幾種方法作了比較。The simulation results conform with the test results, which certificate the model. the liquid infiltration - extrusion process is simulated lively by the superiority and powerful nonlinear solution function of the fem software, the perfect contours and curves are obtained
並且利用有限元軟體的優越性和強大的非線性求解功能，對液態浸滲擠壓過程進行了很好的模擬，利用軟體完善的后處理功能，得到了完美的等值線和帶狀雲圖。Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field
應用fluent軟體擬合出傳熱系數與re關系曲線、摩擦阻力系數與re關系曲線、速度與溫度場梯度點積值的等值線圖， nu較大的幾個工況的模擬流場、速度和溫度梯度場。With the rapid development of computational fluid dynamics and combustion theory, applying the computer to numerically simulate the complicated processes in the plasma ignition is possible. using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost. so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition
隨著計算流體力學和燃燒理論的發展及計算機的廣泛應用，用數值模擬等離子點火器內部燃燒系統流動、傳熱、傳質、化學反應等復雜的過程已成為可能。應用數值模擬的方法可以對實驗難以測量的量進行預估，而不需要大量的試驗，應用數值模擬的方法來解決等離子點火器燃燒性能的分析和工程設計，有利於提高工作的可靠性和經濟性。In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。Aiming at crack problems in important hydraulic concrete structures, the cause, evolution rule and abnormality diagnosis of the crack are studied in this dissertation by using advanced theories and mathematics and mechanics, such as rough set theory, data mining, neural network, wavelet analysis, chaos theory, and so on, combining with prototype observation data. the main contents are as follows. ( 1 ) mining of cause of crack is proposed by using logic diagnosis, rough set theory, and data mining technique
本文針對重大水工混凝土結構運行期的裂縫問題，應用粗集理論、數據挖掘、神經網路、小波分析、混沌理論、突變理論等前沿數學方法及斷裂力學等力學方法，以及數值模擬等數值模擬方法和邏輯診斷方法，結合實測資料，對運行期裂縫的成因、演變規律以及轉異診斷等方面進行了系統的研究。分享友人