點對流模型 的英文怎麼說

中文拼音 [diǎnduìliúmóxíng]
點對流模型 英文
point convective model
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder

    本文將河道與堤壩下游區域視為一個整體，對于單一河道採用preissmann四點隱式差分格式計算，對于潰口及圩區採用有限體積法，建立了一維河道與堤壩漸潰耦聯的水力模型，也是一維、二維耦合的水流模型。
  2. Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem

    論文圍繞「交通誘導與控制」這一中心展開，探討長大隧道交通誘導與控制設備及其控制誘導方式；結合國內外對交通流模型研究的成果，提出一套適合長大隧道交通流特點的交通流模型；並針對目前國內長大隧道的普遍設計方式，模擬一個帶有普遍性特徵的長大隧道，確定了關于交通誘導與控制方面的參數（隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等） ；以此模擬隧道為基礎，進一步探討隧道的具體控制與誘導方式；簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式，隧道控制系統的網路架構；最後通過編程實現控制與誘導子系統的計算機模擬，討論關于模擬隧道數據庫的構建，具體編程實現等。
  3. Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely

    本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬，根據多種紊流模型的優缺點進行比較，選擇了launder和spalding於1972年提出的標準的k ?紊流模型。
  4. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下：第一章介紹了信用、信用風險、信用評價的概念，回顧了信用評價的歷史、發展和現狀，並綜合各種信用評價模型，指出這些模型各自的優缺點：第二章簡單描述了人工智慧技術，著重介紹有關專家系統與神經網路的基礎知識，通過總結它們的優缺點，指出結合專家系統與神經網路構造混合型專家系統的必要性；本章還介紹了神經網路子模塊的概念，提出了混合型專家系統的一般框架與設計步驟：第三章對樣本數據進行處理，包括異常數據的剔除、因子分析等，提出了信用評價混合型專家系統的具體框架結構，介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法；第四章介紹了面向對象技術，進而採用面向對象對信用評價系統進行分析，建立了對象模型和功能模型，並在此基礎上，採用c + +語言以規則類為例說明系統中具體類的實現，用偽代碼的形式描述了推理的演算法；第五章描述了整個系統的結構，對系統主要功能模塊和界面進行了介紹，並總結系統的特點；第六章總結了全文，指出本文所構造系統存在的不足以及對將來的展望。
  5. In the second section, three ( 2 co2 ) scenarios only considering climate change alone ( c scenario ) were generated first, using outputs of the giss, gfdl and ukmo gcms, combined with the baseline. then, climate change scenarios including change in climate variability ( c + v scenario ) were produced, based on 3 hypotheses and the weather generator ( wgen ) in dssat. finally, the ceres - wheat model was run under both the ( c + v ) scenarios and the baseline, and the combined effects of climate change and its variability with doubled co2 on whiter wheat production in the studied region were assessed, based on the results simulated comparison

    在上述第2部分，首先利用baseline和國際上通用的3種大氣環流模型（ gcms ）即giss 、 gfdl和ukmo的有關網格點值，生成了研究區域3種不考慮氣候變率變化的（ 2 co _ 2 ）氣候變化情景（以下簡稱c情景） ；然後，提出了未來氣候變率可能變化的3種假設，並應用dssat （農業技術轉化決策支持系統）中的wgen （隨機天氣發生器） ，分別生成了研究區域（ 2 co _ 2 ）條件下兼顧氣候及其變率的氣候變化情景（以下簡稱c + v情景） ；再后，在上述（ c + v ）情景下分別運行ceres - wheat （作物-環境資源綜合系統-小麥） ，還考慮了大氣co _ 2濃度的直接影響，並與baseline條件下ceres - wheat的模擬值進行比較，在此基礎上評價了（ 2 co _ 2 ）條件下氣候及其變率變化對研究區域冬小麥生產的影響。
  6. Since web service model can not be used directly in the traditional workflow model, the paper detailed describe the design of the encapsulate and structure workflow, this workflow is different from the traditional workflow which is modeled in a graph method, we use the idea of the object oriented to make the workflow more reusable and easy to be deployed in web service environment

    由於web服務模型並不能直接用在傳統的工作流模型中，因此就需要對傳統的工作流語言建模做相應的修改來適應web服務的特點。對此，本文就詳細討論了一種結構化封裝型工作流的設計，該工作流不同於以往工作流都是通過圖形化的方式建模，而是採用面向對象方法中的解釋器模式來設計一個封裝和結構化的定義流程。
  7. The thesis analyzed the present transferring status between pudong airport and shanghai " s incity. through forecasting the long - dated flux of pudong airport and the area near it and combining the planning scheme of shanghai urban rapid mass transit, the thesis learned the helpful experience of the traffic organization in typical airport abroad and used the scientific analyzing model of public traffic flux forecasting to put forward some reasonable suggestion of the bottleneck question between pudong airport and incity : the one is to use the present no. 2 subway as the future airtrain to take on the most part of the flux and meantime present the concept of feeder efficiency to quantitative analyze the choice of feeder station ; the other is to set up cat ( city air terminal ) to convenient the passenger to come airport rapidly and economically in order to lessen the pressure of the traffic and improve the whole service quantity of civil aviation transportation

    本文分析了浦東機場與市內目前的換乘現狀，從預測浦東機場及緊鄰空港區域中遠期的客流量入手，結合上海市政府快速軌道交通的規劃方案，並且學習境外典型機場交通組織的有益經驗，利用規劃中的公交客流預測等科學分析模型，對浦東機場與市中心的軌道交通銜接提出了合理的建議：一是利用目前的地鐵二號線作為航空軌道共享線來承擔大部分進出空港的客流，並且給出了以接運效率最大化為目標函數的接運公交軌道站點比選模型；二是在市中心設立城市航站樓以方便旅客快速、經濟地到達機場，從而減少道路交通壓力，提高航空運輸的整體服務質量。
  8. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究，內容包括： （ 1 ）採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 2 ）介紹了單層同心繞組的布置方式，根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁同步電動機動態模擬模型，模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。
  9. Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model

    本文在國內外已有的研究基礎上，首先建立了以k - （封閉模型為基礎的三維擬單相流模型，該模型的特點在於充分考慮了氣液兩相間相互作用的影響，即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響；並建立了塔板三維雙流體模型，主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果，建立能夠準確描述塔板上流體流動的數學模型。
  10. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁流變阻尼器工作模式，利用磁路中的歐姆定律和動態磁路設計原理，結合汽車懸架的技術要求和結構特點，提出了基於剪切模式和流動模式共同作用（混合工作模式）的汽車磁流變阻尼器設計原理，討論了阻尼器動態磁路設計中的若干技術問題；根據流體力學navier - stokes方程，分別利用newton流體特性和bingham流體特性，推導了基於平板模型和軸對稱模型的流變學方程，得出了阻尼器阻尼力的計算方法。
  11. In the view of valuation practice, the author discusses how to apply dcf models for valuation of non - listed companies more effectively. this paper especially probes into two problems in the valuation of non - listed companies in china, one is to measure the discount ratio of the expecting cash flows, and the other is the estimation of valuation discount for the lack of marketability

    本文主要是從評估實踐的角度，探討如何更有效地運用貼現現金流模型對非上市公司的股權價值進行評估，重點討論了我國非上市公司股權價值評估中貼現率及股權缺乏流動性的價格折扣的估算。
  12. This article based on the height of strategy, combine the mind of quick logistic and precise logistic, design the logistic model of small and medium - sized enterprise, with the view of system and guided by this model, this article analysis the component of enterprise ’ s logistic system, meanwhile, considered the characters of those component and the realistic of enterprise, reference certain method, optimized the enterprise ’ s logistic system. because there is phenomenon “ benefit is carried inside out ” exist in logistic system, so, when we optimizing the logistic system, we must consider the influence between both sides in benefit is carried inside out. treat wholly improved as standard, among them, the most important relation is stock and transportation

    本文從企業的戰略發展的角度，結合敏捷物流和精益物流思想的優點，設計出了中小企業物流模型，並以此為指導，以系統的觀點和整體優化為宗旨，通過規劃中小企業物流系統的組成部分，結合企業自身的實際和各組成部分的特點，對企業物流系統進行了優化設計;由於企業物流系統中存在著效益背反的現象，因此，本文以占企業物流成本比重較大的庫存和運輸兩大重要組成部分為重點，在綜合考慮背反雙方的相互影響下，通過庫存計劃管理的優化，設計出合適庫存水平和運輸量的優化模型，並採用逆向思維綜合設計了運輸方式和運輸路線模型;同時提出了企業要想切實地達到物流系統優化預期目標的三大對策。
  13. Secondly, the author put forward a layered - structure simulation training model on the basis of the characters of the idr / ibs satellite communication system, and the demand of communication service training. the design is based on object - oriented technology and the thought that the signal float interlinks all system devices. the author analyzed each equipment and put forward the implementation method, and designed an all - purpose simulation platform

    然後根據idr ibs衛星通信的特點及其通信業務訓練的要求，提出了層次化結構的模擬訓練模型，並根據面向對象的思想和信號流構成系統各設備間聯系的思想來開發模擬訓練模型；設計了各組成設備的對象模型和實現方法；設計了通用的模擬訓練平臺及排障訓練子系統、測試訓練子系統、考核訓練子系統。
  14. First, the recent studies of ca models for traffic flow, based on the statistical physics, are introduced in the thesis. at the same time, all kinds of models based on the determined ca are also introduced in detail. second, we introduce the improved ns model presented by xueyu to the ca traffic flow model of a two - lane roadway in a highway and on a urban main road

    本文首先綜述了各種交通流模型，在簡單介紹了元胞自動機及其理論的基礎上，重點介紹了元胞自動機交通流模型，並在此基礎上，對薛郁提出改進的ns模型加以應用和推廣到雙車道高速公路交通流模型和城市主幹道交通流模型中。
  15. In the design of system software, we take account of the numerical format considering a fixed - point dsp tms320f240, the software designs of the current model and software svpwm model, and the online realization of parameters setting and changing in pc

    在軟體方面，重點論述了適合於定點dsp的系統變量數字表述形式、電流模型模塊和軟體空間矢量模塊的設計以及pc機控制對象參數預置和修改的在線實現。
  16. And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate

    本文用簡單、方便的二維模型作為數值計算的起點，使用耦合隱式演算法以及先進的v2f湍流模型進行求解，成功地捕捉到了激波，觀察到主氣流從壁面的分離、切換、再附壁等現象，並對計算結果進行了細致的分析，得出一些有意義的結論；在此基礎上，本文在國內外首次對超音速射流雙穩閥的三維流場進行了計算。
  17. This paper, based on the related research on previous studies of firm theories and strategic management, provide a fresh and comprehensive analysis on the knowledge strategic manangement of knowledge - based firms through the systems engineering theories and methodologies, which can enhace the understanding and can provide new ideas both for researchers and practitioners in this field, the main contributions of the paper as the following : firstly, the author argues that firm is a complex knowledge system, firm strategy is a process of knowledge creation and knowledge application, and the untimate target of innovation is to create knowledge avantage for firms, and provids a comprehensive analysis for firm stategy according to systems engineering

    其研究的主要內容如下： （ 1 ）本論文認為企業是一個復雜的知識系統，首次提出企業戰略是一種知識活動，知識創新過程是以提高企業知識優勢力為目標的，並試圖用系統論的觀點對知識型企業的戰略管理進行解讀，弄清楚知識型企業戰略管理思想的合理內核。在此基礎上，對知識型企業戰略系統的核心問題進行分解，構築以知識為中心的「共同願景?知識流程?知識員工」戰略模式、以知識優勢力為核心的戰略系統三維結構和戰略管理過程三階段相結合的分析框架。
  18. Conomic analysis model. this model has mainly four peculiarities as follows : 1. he method of large systems resolution, assemble and gradational development is used, therefore, the dimensions of the calculation program is reduced

    本模型系統主要包括了以下三個部分： 1 、支流及非控制區模擬模型2 、幹流模擬模型3 、經濟評價模型本模型系統主要具有以下特點： 1 、採用了大系統分解、集成、分層次開發的方法，對支流和幹流模型分級開發，減小了計算模型的規模。
  19. Following the technique frame of hla, the characteristic and function of the platform were analyzed, based on which, its block composing and role of each block were introduced, and then the frame, flow chart and fom / som ( federation object model / simulation object model ) of federation were given, and the implementation process of its federates was explained at last

    以高層體系結構作為技術框架，分析模擬平臺的特點和實現功能，並在此基礎上介紹了模擬平臺的模塊組成及其相應作用，給出了模擬平臺的聯邦構架、聯邦信息流圖以及聯邦對象模型模擬對象模型（ fom / som ） ，最後說明了模擬平臺聯邦成員的實現過程。
  20. Acoording to company valuation theory, based on ananlysis and comparison of present company valuation model and valuation technology, combining characteristics of biopharmacy company of high technology, high risk, high profits, i take sichuan dikang science and technology pharmacy, a biomedical listing company for dcfm model value ' s valuation. through analysing dikang ' s past achievements and value - driving business, i made

    本文根據公司價值的有關理論，對目前運用的公司價值評估模型和評估技術的進行分析和比較基礎上，結合生物制藥上市公司高技術、高風險、高收益等高新技術企業特點，選擇貼現現金流模型對物制藥上市公司? ?四川迪康科技藥業股份有限公司的價值進行評估。
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