理想流體方程 的英文怎麼說

中文拼音 [lǐxiǎngliútǐfāngchéng]
理想流體方程 英文
perfect-fluid equation
  • 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...
  • 想 : 動詞1 （思索） think; ponder 2 （推測; 認為） suppose; reckon; consider; think 3 （希望; 打算） w...
  • 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...
  • 體 : 體構詞成分。
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 理想 : ideal
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. Firstly, the structures and properties of abs resin, a kind of material for fdm process, are introduced, and theological properties of melted abs filament during extrusion from fdm ' s nozzle are studied in viscosity and elasticity, the research results can provide theoretical guidance for establishing the compensation model of ideal contour line

    本論文首先從粘性和彈性兩個方面闡述和研究了熔融態abs熔體從噴頭擠出過程中的流變性能，流變性能的分析和研究不僅有助於更好地理解fdm工藝的擠出絲過程，而且為建立理想輪廓線的補償模型提供了理論依據。
  2. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。
  3. Abstract : there are offered many ways how to improve work of a spark plug. but one of the m ost important problems has not been solved yet. this is a thermal mode operation of a spark plug. the ideal spark plug should be instantly heated at the moment of occurrence of a spark and instantly cooled down in expectation of the foll owing electrical pulse. thus it balances between preservation of heat for self ? c leaning from scale and its removal in avoidance self ? ignition. in this article a uthor managed for this time to offer a spark plug with capability “ self ? regula tion ” of heat flux removed from a zone of ignition. essence of the offer is a t ip ， which is transparent for heat flux. it is produced from single crystal of sap phire

    文摘:在如何提高火花塞的工作質量方面有多種方法，但是其中最重要的一個問題還沒有得到解決，那就是火花塞工作的熱學模型問題.理想的火花塞應該能在點火的瞬間被立刻加熱，並且在接下來的電脈沖過程中迅速冷卻，由此在熱量的存儲與散發之間取得平衡，以避免自點火.本文力圖展示一種具有自動調節源於點火區域熱流能力的火花塞，其技術的關鍵是頂部絕緣體材料，它是由藍寶石單晶製作，而非傳統的氧化鋁陶瓷
  4. We first set up the hiberarchy of the nmm ’ s visualization and focus on the study of pem ’ s visual process. then the coupling equation of pem is deduced and a rapid algorithm for solutions of bordered tridiagonal linear equations is put forward. in the last of the thesis, elementary system of deformation geometry unified for manifold ’ s structure is studied primarily via the idea of unified modeling and some theoretic results for analytical visualization are given out under the system of frenet frame of arbitrary parameters

    文章結合nmm的基本原理和特點，研究了nmm可視化的有關理論和方法;文章首先建立了nmm可視化的層次結構，重點對面素單元法（ pem ）的可視化過程進行了細致研究，推導出了pem的耦合方程，然後給出加邊三對角方程組的一種快速求解演算法，最後還從統一建模的思想對統一于流形結構變形幾何的基本體系進行了初步研究，得到了任意參數形式下frenet標架體系的若干適用於解析可視化的理論結果。
  5. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分，研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統，將狀態空間的幾何結構與控制系統的狀態方程建立直接的聯系。在姿態控制部分，研究的主要思想是以整體微分幾何方法為工具，以李群與李代數等數學理論為基礎，從數學角度建立具有良好性能的數學模型，並設計出相應的控制方法。
  6. In chapter 4, the influences of the earth ' s models on the elastic green ' s function, as well as on the atmospheric loading effects, are discussed using the numerical techniques. the attraction green ' s function is solved out based on the state equations of the ideal gas and the hydrostatic equilibrium equation. the influences of various factors upon the gravity and tilt green ' s functions, as well as upon the gravity and tilt, are considered in detail

    第四章：採用數值計算方法，研究了地球模型對彈性項格林函數及其對大氣負荷響應的影響；利用理想氣體方程和流體靜力學平衡方程解算了吸引項格林函數，討論各種因素對大氣重力和傾斜格林函數及其對重力和傾斜的影響；基於球對稱地球模型，給出了武昌站臺站依賴的大氣重力、傾斜格林函數
  7. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  8. The following aspects are involved in this dissertation : 1 ) properties of convergence of the network model under the circumstance of few rooms, the prediction of the early production tally with the growth of the fire in building on the whole while the prediction becomes most fallacious when the rooms increase to a certain number, for instance, 9. the solution of the net mass flux, positive mass flux and negative mass flux is improved and then mass conservation is strictly maintained so that the prediction of the software become more credible and reliable

    本文主要涉及以下幾個方面: 1 ）軟體計算收斂性態在房間數目很少的情況下，軟體開發的前期成果能在總體上成功預測建築火災的發展過程，當房間數目增加到一定的數目（如9 ） ，軟體計算將出現劇烈振蕩的問題，預測結果極不理想。本文改進了軟體對凈質量流量、正、負質量流量的求解，保證了三者之間的嚴格守恆關系。經過改進，軟體的預測結果更可靠，更可信。
  9. Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate

    從模擬和實驗兩個方面進行研究，著重於把ameset和客戶化定製兩種方法結合起來使用，利用質量守恆定律、理想氣體狀態方程、熱力學方程、流量方程等建立一階微分數學模型，並配以amesim平臺對所建立的模型進行進一步的系統模擬驗證。
  10. Firstly, we introduced the main idea, the formalized description, and the basic flow of co - evolution algorithm. then, from the point of pattern analyzation, we established the mathematics model of the multi - population co - evolution algorithm based on pattern replicator equation of the single population genetic algorithm, and made the theoretical analysis and compare for the method of best choice and the method of random choice of the co - evolution algorithm. we put forward a new method for the individual fitness evaluation, and validated the performance of the new method by the simulation experiment

    首先，在介紹了協進化演算法的核心思想、形式化描述和基本演算法流程的基礎上，從模式分析角度出發，建立了基於模式復制方程的多群體協進化演算法數學模型，對協進化演算法中的最優選擇法和隨機選擇法進行了理論分析與比較，提出了一種新的個體適應度評價方法，並通過模擬實驗驗證了新方法的效率。
  11. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中，針對1 . 5kw和18kw異步電機進行了模擬，並在此基礎上提出兩種簡化控制方式；在tms320f240的具體編程過程中，分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償；最後，在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗，實驗結果表明了演算法完全可以達到預期的目標。
  12. First the article introduces component - oriented software development method, presents ec - iscm model for software procedure, discusses the software architecture description language, c / s model and design pattern used methods, and expounds the relationship between design pattern and architecture and component ; then discusses the workflow ' s design philosophy and architecture, raises an applying model that integrates the purchasing management with workflow model, and expounds workflow modeling method ; then researches into a module of purchasing management based workflow, make the demand frame in abstraction region and set up a region model ; moreover expounds the region design, set up the purchasing management software model and dynamic interaction model ; then brings about the software architecture and components model. the purchasing management software development indicates that design pattern and software architecture philosophy have improve the software reusability. because of bringing in the workflow, this system realizes the purchasing process automation and the purchaseing process reorganization, and improves the enterprise purchase efficiency

    文章首先介紹了面向構件的軟體開發方法，並給出了ec - iscm的軟體過程模型，討論了軟體體系結構描述語言和客戶服務器模型以及設計模式應用方法，闡述了設計模式與構架和構件的關系;接著討論了工作流管理系統設計思想以及工作流管理系統的體系結構，提出了工作流技術與采購物流管理軟體結合的應用模型，並闡述了工作流建模方法;然後研究了基於工作流的采購物流管理模型，抽象領域需求框架並建立領域分析模型;進而進行相應的領域設計，建立采購物流管理軟體類模型和動態交互模型，採用設計模式和三層構架進行優化設計;最後給出軟體的構架與構件的模型實現。
  13. As one part of the work, the induced current on perfect conductor surface is computed with mom method and graphed by origin. the factors, such as choice of basis function and sliced mounts of one cell, which affect solution accuracy are summarized. all of these provide a good basis for the latter computation of array scattering field

    其中第一部分工作從電場積分方程出發，利用矩量法計算了理想導體貼片上的感應電流，進而得到平面陣列和曲面陣列的散射場，研究了陣列單元尺寸、排布形式和入射波的角度，以及曲面陣列的陣面形狀等因素對陣列散射場的影響規律。
  14. Its aim is to decrease the wastes to the bottom while the satisfactory of the customer service can be reached. the series of certain methods will be developed around the aim. lean logistics management theory comes from jit manufacture and lean theory

    精益物流管理理論是起源於日本豐田汽車公司的一種物流管理思想，其核心是追求消滅包括庫存在內的一切浪費，其目標是「在提供滿意的顧客服務水平的同時，把浪費降到最低程度」 ，並圍繞此目標發展一系列的具體方法。
  15. It also introduces the producer ' s system of sbeg. analyses the production process and makes a proposal to improve it. according to the reality of sbeg, on principle of lean thinking, it designs some projects in order to put lp in practice, especially how to ameliorate the equipments of abrade to realize continuous process ; it also analyses operation change approaches in detail in order to offer some suggestions to shorten the operation change time and it brings forward maintenance methods fitting the continuous process, especially the use of statistics in forecasting maintenance

    根據sbeg的實際情況，基於精益思想的原則，設計了精益生產方式實施的具體方案：為了實現屏生產線生產連續流程，根據sbeg的具體情況，設計了屏后加工設備改造的方案，並對不同品種產品所需后加工各工序設備數，以及對應的節拍進行了計算；針對目前錐成型作業轉換時間長的狀況，分析了作業轉換的詳細步驟，提出了縮短作業轉換時間的具體方法；設計了全面設備維修方案，以保證連續流程的正常進行，並將數理統計方法應用到制定預測性維修方案中。
  16. If the technicians applied technology in the wrong, even achieving the business logic, but probably leading to many vices including low performance, low scalability, close coupling, low software duplication. so how to assemble the j2ee technology reasonable and achieve a system with high performance and high expansibility is my research emphasis in the thesis. in order to solve the problems and implement efficient web application, the paper put forward ejs _ mvc model according mvc pattern and we can assemble component by using ejs _ mvc model, it can solve many problems of web application and improving system with clear flow and clear function partition, in addition, due to controller is the most importance in the ejs _ mvc model, so the thesis also discuss some problems about controller design ; if the model is not designed accurately, system performance will encounter fatal influence, so the article lucubrate ejb technology from ejb choice, ejb optimized design, database access, design pattern etc and bring forward some strategies and methods about how to build efficient business tier ; finally based on ejs _ mvc model, a example that contains simple business logic is developed according to the object - orient software engineering thinking and some strategies and methods proposed by the thesis, in the process of achieving system function, the emphasis is probing into how t o assemble and apply technology reasonable and providing a new thinking thread and method contributing to build high effective and flexible j2ee application

    由於j2eeweb應用是由組件組成，因此為了解決上述問題，實現高效的應用，本文首先從如何合理組合組件入手，找到一種方法使各組件能具體分工而又緊密合作，在深入研究各組件基礎上，根據mvc模提出了ejs _ mvc模型概念，指出可按此模型組合各層組件，該模型可以解決傳統web開發中存在的問題，而且具有系統流程與系統功能劃分清晰，可擴展性、可維護性強等優點，另外由於控制器是ejsmvc模型的重中之重，它起到承上啟下的作用，它設計好壞直接關繫到整個應用的性能、伸縮性與擴展性，因此又探討了控制器設計的有關問題；另外如果模型設計不當的話，對系統性能造成的影響可能是致命的，因此本文又從ejb組件選擇、 ejb調優設計、數據庫訪問和設計模式等方面對ejb技術作了全面的分析研究，指出在業務層中如何避免太多網路遠程調用和提高業務層性能，特別是根據前面的分析總結出了業務層的優化分層組合模型，這個模型的使用無疑會使業務層具有較高的性能與伸縮性；最後選擇一個業務邏輯較簡單的系統，使注意力集中到運用的j2ee技術上來，按照ejs _ mvc模型與軟體工程流程以及本論文所提出的方法與策略實現業務邏輯，在實現過程中具體探討如何合理運用組合技術，就多層j2ee體系結構的設計思想作深入的探討實踐，為實現高效、靈活的多層j2ee應用提供一種新的思路及方法。
  17. The paper introduces the development status and trends of gis, spatial data model and spatial data structure about technology characteristic. then according the procedure of land utilization status management, system analyse and design scheme is provided and modules are divided. moreover, the theory analyse is given about appraising, source and control idea of spatial data quality and the design of the realizing of spatial data quality control is discussed, combining the pre - process module, therefore a design is provided about realizing the pre - process of spatial data. furthermore, the several methods of data - sharing is analyzed and compared, and the data transforming scheme between maplnfo and cnsdtf ( chinese national geo - spatial data transfer format ) is introduced combining the data transforming module

    本文從技術特點的角度介紹了地理信息系統的發展現狀、趨勢、空間數據模型和空間數據結構；根據土地利用現狀管理的業務流程進行了系統分析設計和模塊劃分，並對空間數據質量的評價、來源和控制方法進行了理論分析，結合數據預處理模塊對空間數據質量控制的實現和設計思想進行了探討，提供了一種實現空間數據預處理的設計方案；分析比較了數據共享的幾種方法，結合數據導入導出模塊闡述了mapinfo與cnsdtf （中華人民共和國國家標準地球空間數據交換格式， chinesenationalgeo - spatialdatatransferformat ）之間數據交換方案；給出了空間數據處理中採用的部分關鍵技術和一些具體實現方法。
  18. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三偏心蝶閥的動水力矩，誤差比較大，本文根據三偏心蝶閥的結構特點，利用理想流體的定常、無旋流動的假定，用有限差分法在直角坐標系中求解拉普拉斯方程，得到蝶板截面上的壓力分佈，從而計算出蝶板在各個開度下的動水力矩，設計出了求解的程序，給出了程序運行的結果並進行了數據處理從而得到了動水力矩曲線，總結了它的變化規律。
  19. This thesis is to research and discuss it ? ? several important problem about the enterprise ' s management and development of chongqing iron & steel group electron co. ltd ( cgec ), adopt the changes of customer, competition and market chang, heighten the enterprise ' s market competition ability, based on the ideas ? ? centers on customers, thoroughly consider the management condition at present, and management environment, and the development trend in the future, apply the international advanced management ideas, and reformed traditional industry with information technology and modern management technology. then put forword a full strain of enterprise development strategy management, organization structure and behavior, building core - competence, constructing enterprise informatization, and advancing human resource management etc. with this development idea for management, it can reduce the cost of production efficiently in a short time, strengthen the quality management, improve the level of the enterprise ' s management, heighten the ability of the market response and competition, at the same time it supply some advices for other medium or small electron and information enterprises

    本論文正是對重鋼電子公司經營管理的幾個重要問題進行研究和分析，適應以「顧客、競爭、變化」為特徵的外部環境，本著「以客戶為中心」的思想，以全面提升企業市場應變能力和整體競爭能力為目的，在充分考慮企業管理現狀和經營環境以及企業的未來發展趨勢的基礎上，吸收國際領先的企業經營管理理念，用信息技術和現代管理技術改造傳統產業，為企業在發展戰略研究，組織結構的改革及業務流程重組（ bpr ） ，構建企業自主知識產權產品，打造核心競爭力，企業信息化建設，提升人力資源管理水平等方面提出全面的發展思路，以使企業在短期內有效降低產品成本、加強質量管理、提高企業管理水平，增強市場競爭能力，同時為其他中小電子信息企業提供一些有益的借鑒。
  20. The network scheme of power supply section, the hardware and software environment of this system and the database access mode are introduced briefly. besides, it discuss the method of gis and multimedia for pushing to deal with an emergency, aimed at the approach of video data management. the idea of video database is brought in the management of the video data in this system, and the segmentation and indexing are implemented using simple method

    敘述了系統概要設計的方法步驟，尤其是由數據流圖到軟體結構圖的轉化過程；介紹了幾個主要功能的實現方案和數據推送技術；簡單介紹了供電段的網路建設方案、系統軟硬體環境的選擇和數據庫訪問模式的選擇；闡述了事故搶修智能支持的gis解決方案和多媒體解決方案，並著重闡述了視頻數據管理的實現方法；在視頻數據管理中成功引入了視頻數據庫思想，用簡單實用的辦法實現了視頻數據的分段和檢索。
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