模場同心度 的英文怎麼說

中文拼音 [chǎngtóngxīn]
模場同心度 英文
mode field concentricity
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上擬在冬夏兩季不情況下,不流速對熱管空氣預熱器壁面溫的影響;然後對影響整個流分佈的各種因素:包括分流板長、厚、偏離中流道位置的偏離、飛灰濃、飛灰粒徑等因素進行數值擬;最後提出在分流煙道轉彎處加裝導流板,並擬加裝導流板后的流分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速分佈、濃分佈,以論證加裝導流板能達到流均勻化的作用。
  2. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電分佈的計算,多重網格法利用限制和延拓可迅速求得滿足精要求的分佈.研究了求解各種靜電透鏡電子光學系統三維分佈的多重網格法程序,驗算了靜電型的三維分佈.通過與目前在計算中常用的有限差分法進行比較,可以看出多重網格法的計算效率和計算精優于有限差分法.本文表明利用多重網格法計算三維大大提高了分佈的計算效率,縮短了計算時間,因此為后續計算打下了良好的基礎
  3. Carry close market survey, in machine of decelerate of ceaseless and perfect combined - type solid products tastes quality while, the company is affirmatory with modular machine of decelerate of planet of gear case of machine of decelerate of hard tooth flank, large burden, high strenth and wind - force generate electricity gear case is core product, replace in order to import develop way for you, insist to specialization, homebred the way that the high - quality goods that turn makes

    通過嚴密的市調研,在不斷完善組合式減速機實物產品質量的時,公司確定以塊化硬齒面減速機、大型重載齒輪箱、高強行星減速機和風力發電齒輪箱為核產品,以進口替代為發展方向,堅持走專業化、國產化的精品製造之路。
  4. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點,提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核,認為所有道路幾何設計過程都是地面型和道路(設計)型進行幾何運算的結果.基於此,本文設計出相應的演算法步驟,時完成了相應的軟體開發,使得該三維演算法能和傳統的方法進行對比.此外,結合工程實例,採用了不的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精,該演算法可用於道路、地平整等工程土方量計算
  5. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視角(接近180 ) ,但時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大景稠密深圖的要求
  6. According to the background information from the above, the facts of the combination, expansion and quick development of wut, and the strategic significance of the world ' s economy and the development of university, and from the angle of history, reality and the future, to a large degree, this paper analyzes three strategic environment faced by university, that is : intellectual economy and the world ' s new technical revelation ; marketing economy and modernization of china ; the popularity of education and the reform of chinese higher leaning system. through a thorough analysis of thirty six comprehensive universities and science and engineering colleges owned by the national education department, and through comparison between typical universities, this paper also objectively analyzes the strength and advantages of the development of wut on the aspects of subjects, trade and scale, and the disparity existed in subject strength, scientific and technical ability, qualified personnel construct and the economic base. through those analysis, it points out several problems in the development of university, such as " no common idea, no complementary subjects, no fixed core, no unified campus " and etc. therefore, a basic conclusion is drawn, that is " generally speaking, wut ranks among the second class of the nation ' s higher learning groups, and which possesses many potentialities to help itself step into the first class universities

    本課題正是從上述背景出發,緊密結合武漢理工大學合併、擴招和大發展的實際,從世界經濟和大學發展的高,從歷史、現實和未來的角,大范圍、多層面、寬視野地分析了學校發展所面臨的知識經濟和世界新技術革命、市經濟和中國現代化建設以及教育大眾化和高校管理體制改革三大戰略環境,通過對育部所屬36所綜合及理工類高校的整體分析和典型大學的個案對比,比較客觀地分析了學校發展在學科、行業和規三方面的實力與優勢以及存在的學科實力、科技能力、人才結構和經濟基礎等四方面的差距,指出了學校發展中「無共的理念、無互補的學科、無凝聚的核、無統一的校園」等問題,並得出一個基本結論:學校總體位居全國高校第二集團水平,具有向一流大學邁進的基礎,時,相比國內一流大學又有很大的差距。
  7. 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步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流型推導出兩種計算永磁磁極二維氣隙磁的解析公式(集中電流法、分佈電流法) ,時介紹了兩種永磁電機氣隙磁計算方法(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步電動機動態型,擬不驅動方式下電動機起動、穩態運行時電磁力、速、位移的變化情況。
  8. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後,針對外載與自重共作用下,傳統光彈性分析法中採用離擬重力獲得自重應力的試驗投資耗費大、技術復雜且難大和不安全等嚴重缺點,按照結構相似的型理論,本文提出型外載與自重並存變動外載的光彈性分析法,導出處理這個問題具體的相似律和試驗原理及方法,進行了典型實驗驗證,指出僅用外載作用的型試驗,即不用離擬重力擬試驗,就可以獲得上述兩種載荷共作用下的應力分析結果。
  9. This paper presents a study and analysis of project management organization ' s set up, progress control, quality control, safety control, capital control, bidding management and construction spot management, risk management etc. and on the basis of the study and analysis, a set of strategic plan about project management appropriate for beijing huamao center is worked out

    本文從投資方工程項目管理的角對北京華貿中工程項目建設管理式、組織機構的設立、工程工期控制、質量控制、安全控制、投資控制、工程招投標管理、合管理、信息管理、施工現管理、竣工驗收及項目后評價管理、風險管理等方面作了較深入的研究、分析,制定出一整套適合本工程項目特點及市定位的工程項目的建設管理策劃方案。
  10. Chapter one has mainly introduced the development of the market of chinese car, and the theory of satisfaction to customer has carried on the survey. foreign study on customer satisfaction deepen and not thorough quite already, customer satisfaction research to accompany by enterprise management idea transformation of weight and produce. the basic goal that enterprises exist is to pursue the maximization of the profit or maximization of enterprise ' s value, satisfied with the centre theory to develop from theory of centre of output value to the customer progressively, just because the customer is satisfied with the appearance of the centre theory, have produced customer ' s satisfactory research

    我國的汽車市已經步入了高速發展的快車道,市競爭空前激烈,產品質化越來越高、可替代性越來越強、服務式也日趨一化,顧客的消費行為亦由感性階段進入了理性階段,在這樣一個復雜、瞬息萬變的市激烈競爭中,單純的產品策略、服務策略等營銷手段無疑已經無法被顧客識別,而以「顧客為中」 ,不斷提高顧客滿意、提升顧客忠誠、培養獨特的品牌已經成為了轎車企業突圍的唯一出路。
  11. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學型,為科學確定反應器的閃速熱解工作溫范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不的生物質顆粒中達到全熱解的時間,在體視顯微鏡下對不的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不尺寸生物質顆粒中達到充分熱解溫的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  12. This paper combines the application and research of cellular manufacturing resource management system in high - efficient numerical control machining technique research of commission of science technology and industry for national defense and demonstration project research of chengdu aerocraft corporation, studies and practice the management of workshop ' s resource management which according to mrp hand jit " s thoughts and the characteristic of manufacturing execution system to meet advanced management concept ; have realized the computer - assisted management of the measuring tool, cutter, fixture and material in numerical control manufacturing center of chengdu aerocraft corporation, have introduced some manage method, concept and the management thought in production planning and controlling management, stock management and cost management ; makes the information of cost manage department, technology department and resource management department can be shared and integrated with each other, have guaranteed the production of numerical control manufacturing center of chengdu aerocraft corporation can go on by order ; this paper is taking the management of cutter as a sample, have studied the major working process and the realistic demand of resource management in the environment of numerical control ; have established systematic function model and information model with the method of idefo, idef1x ; under the support of intranet, with the method of joint application and development, combines advanced management theory and reality, using mature software development tool, this paper have developed the computer - aided manufacturing resource management software under the pattern of c / s

    本文結合國防科工委「高效數控加工技術研究?成飛示範工程」課題中單元化製造資源管理系統的研究與應用,從車間層開始圍繞製造資源計劃( mrp )和準時制生產( justintime ,簡稱jit )的需求並結合製造執行系統( manufacturingexecutionsystem )的特點對車間資源的管理作了一定的研究和探討,並付諸實踐,以適應先進的管理理念;實現了成飛數控加工中刀具、量具、工裝、物料等製造資源的計算機輔助管理,介紹了一些計劃與調管理、庫存管理、成本管理的管理思想、理念及方法,完成了與車間生產調部門、工藝部門、經營管理部門的信息共享和集成,從製造資源的角保證了成飛數控加工中的生產能有序、受控的進行;對今後的車間層製造資源管理探索出了一條切實可行的解決途徑。本文以刀具管理為例,研究了高效數控環境下製造資源管理的現實需求及主要的工作流程;採用idefo 、 idef1x方法建立了系統的功能型和信息型;並在車間局域網的支持下,採用聯合應用開發( jad )方法(即程序開發人員與最終用戶共開發系統) ,以先進的管理理論為指導,結合生產現的實際情況,利用成熟的軟體開發工具開發了c s式下的計算機輔助製造資源管理系統軟體。
  13. After comparing world offshore financial markets on models, functions, systems, etc., this paper make a theoretical analysis to the origin cause of formation of market. hong kong has advantages in offshore financial business, which make it have the certainty and feasibility of setting up rmb offshore financial centre. then the paper probes into the construction of rmb offshore financial centre

    本文通過比較國際離岸金融市式、功能、制的異后,從理論上探討離岸市的成因,並結合香港在離岸金融管理方面的優勢,得出在香港建立人民幣離岸金融中的必然性和可行性,並初步探討香港人民幣離岸金融中的構建和風險控制。
  14. This paper focuses on the research and measurement of customer satisfaction of hunan power transmission and substation construction company, based on the analysis of their market environment and marketing status quo, and comes out with the conclusion that the construction process of projects, the relationship with the customers, and the service quality are the key factors impacting the satisfaction of power project customers. upon this conclusion, this paper presents new idea to exploit market, and appreciate tactic of marketing mix for electric power construction companies, that is, transferring the focus on those indices for the sake of themselves such as market rate, margin rate etc, to the customer satisfaction index that reflecting customers ’ requirement, and from the phase of ‘ sale ’, to the phase of ‘ do ’ ; at the same time, this paper establishes a set of scientific model and methodology for the marketing decision of power construction companies, instead of the decision making by intuition

    本次研究在對湖南送變電公司市環境和企業營銷現狀進行分析的基礎上,進行湖南送變電公司顧客滿意調查和測評,得出了工程產品的施工過程、最終輸出以及與顧客關系、服務質量是影響送變電公司顧客滿意的主要因素的結論,據此改進市營銷組合策略,為送變電施工企業市開拓打開了新的思路,將市營銷策略選擇的著眼點從市佔有率、利潤率等基於自身需要的指標上轉移到體現顧客需求的顧客滿意指標上,將關注重從產品銷售階段轉移到送變電工程產品施工階段;時也為送變電公司進行營銷決策建立一種科學合理的型和方法,避免憑自己的直覺作出營銷決策。
  15. Occupy to close the industry inside the expert analysis, and say from the another angle, and this kind of mode also reflected the appliance what factory relate to relocated. according to all, member system " attraction of company s house source in 2 : 00 : its a, the profits is opposited to have to guarantee ; its two, the risk lower, dissolved cares at home. but to factory house, can increase the company letter from home the heart, and fight for more

    據有關業內專家分析,從另一個角說,這種時也反映了家電廠商關系的重新定位。據悉, 「會員制」對于商家的吸引力來源於兩點:其一,利潤相對有了保證其二,風險降低,消除了后顧之憂。而對廠家來說,可以提高商家信,爭取更多渠道商,滲透進入二三級市
  16. Mode field concentricity

    模場同心度
  17. Seven chapters are included in the thesis, with the first one on the introduction about michaele porter ' s industrial analysis theory and other related theories about the core competence from different aspects, providing the thesis with the theoretical basis. the second chapter investigates the urgencies of core competence study for these real estate corporations under the fierce market competition, whereas the analysis on the nature of the real estate corporation including the definition and seven characterized features of its core competence, together with its relation the corporation ' s strategic development, is presented in the following chapter. the fourth one, based on michaele porter ' s industrial analysis theory, puts on the analysis model of its core competence ' s value chain ; and the fifth chapter gives the detailed analysis on the constitutes of real estate corporation ' s core competence, that is, the figurative shell for its market performances and the core for its inherent connotations

    全文共分七章:第一章介紹了邁克爾波特的產業分析理論和基於不的角所研究的核競爭力戰略理論,即分析了競爭力的理論背景;第二章分析了我國房地產開發企業在市競爭環境變化下進行核競爭力研究的深刻背景;第三章則是對房地產開發企業的本質分析:首先提出了房地產開發企業核競爭力的概念,接著指出了房地產開發企業核競爭力的七個特點及其與企業戰略的關系;第四章借鑒了邁克爾波特的產業價值鏈分析方法,提出了房地產開發企業核競爭力價值鏈分析型;第五章具體分析了房地產開發企業核競爭力的構成:一是外殼,即其市表現;二是內核,即其背後所隱藏的內涵;第六章對核競爭力的培育從六個方面提出了自己的觀點;第七章則就核競爭力的管理問題進行探討。
  18. During the research, the author carried out the new methods. on the basis of combination of theoretical curriculum and practical curriculum, and the theory and the practice in curriculum structure, author puts forward the mode of the theory and practice unified teaching. it is instructed by the idea of ability - based teaching. on the basis of vocational analyses, form the mode of the curriculum system and set up the objections of three - section teaching, that is knowledge, ability and attitude. using the form of dividing students into groups, individualized teaching and individual form of organizational teaching to set up the interaction system of envaluation, through the method of co - operation and set up the main method of teaching mode of criterion evaluation and correcting in time. in the research, based on the theory suppose, the author used experiment methods as follows : 1 ) to develop curriculum and make up teaching outline and teaching plan, on the basis of analyzing of vocational post ability ; 2 ) to develop teaching resources on the basis of teaching materials ; 3 ) to draw attention on the ability - based on teaching ; 4 ) to carry out the teaching objections based on objective teaching ; 5 ) to get the aim both the teachers and students on the basis of applying the way of co - operation ; 6 ) to envaluate the teaching quality based on the ability of students

    通過整合學術性課程與實踐性課程,使理論與實踐在課程結構上融為一體等理論假設基礎上,提出「理論與實踐一體化」教學式的設想:把「能力本位」的教育理念作為指導思想;在職業能力分析的基礎上,形成塊式的課程體系;確立知識、能力、態三個層面上的教學目標;採取分組式教學、 「個性化」學習、個別化的輔導等教學組織形式;倡導師生合作學習的教學方法;建立綜合能力評價體系,注重形成性評價和及時反饋矯正。在具體嘗試過程中採取了以下具體做法: 1 、以職業崗位能力分析為依據,開發課程、編寫教學方案; 2 、充分開發和利用教學資源; 3 、教師進行精的課前準備,確定教學目標、認真準備教學現、認真準備教學清單; 4 、著眼于學生技能的形成,合理安排教學過程; 5 、師生合作學習,共達標; 6 、以學生能力形成為依據,評估教學質量。
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