質點交換 的英文怎麼說

中文拼音 [zhídiǎnjiāohuàn]
質點交換 英文
particle exchange
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 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「、」）...
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  1. As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn

    理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。
  2. The effect of yield and grain protein content with soil water content and nitrogen ( or nitrogen and p2o5 ) was described by isopleth

    用極差變換將產量和蛋白質含量理論值標準化，其標準值曲線的交點即為二者的最佳結合點。
  3. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  4. Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly

    文摘:橋函數和廣義橋函數均為三值函數系，都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非正弦正交函數，如沃爾什函數和方波函數等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非正弦正交函數方面研究的一些新進展，重點介紹了復制理論和廣義復制方法，橋函數、廣義橋函數的復制生成方法、性質及其應用等專題
  5. In this thesis, we study the properties and development of the proton - exchange membrane and focus on the status and defects of the typical polyperfluorosulfonic acid membrane, of which high cost is the most obstacles for the commerce of the fuel celt

    本文論述了質子交換膜的特點及其發展方向，重點闡述了全氟磺酸型質子交換膜及其在燃料電池應用中存在的問題。針對這些問題，我們對質子交換膜進行了探索性的研究。
  6. To explore and make clear the background factor of the behaviors, the dynamic relationship and cause - effect relationship between organizational politics perceptions and consequential behaviors. this paper, based on the five theories related to power at different levels, personal perspective, strategy contingency theory, social exchange theory and structural theory. there appear several problems in the development of key disciplines and processes of crossing and assimilating of subjects, including system tie, the character of scientists, the problem of administers, which influence the development and construction of subject, through abstracting, summarizing and based on “ swot ” analytical model from the theory strategic competition by michael baud, we divide organizational politics behaviors in the organizational development of college subjects and crossing and assimilating of subjects into several sorts : including ( 1 ) offensive model ( 2 ) defensive model ( 3 ) strengthening model ( 4 ) shrinking model

    為探索和理清重點學科組織政治行為的背景因素，組織政治知覺與后續產生的組織政治行為的動態關聯性與因果關系，本研究以五種不同層次與權力相關的理論，即個人特質理論觀點（ personalperspective ） ;策略權變理論觀點（ strategycontingencytheory ） ;沖突理論觀點（ conflicttheory ） ;社會交換理論觀點（ socialexchangytheory ） ;結構化理論觀點（ structurationtheory ）為基本理論依據，將重點學科學科發展以及學科交叉與融合過程中出現的諸如體制束縛、科學家自身素質、管理層問題等影響學科建設與發展的共性現象進行提煉、總結，並依據「邁克爾?波特」的戰略競爭理論學說中的「 swot 」分析模型，將大學學科組織發展及學科交叉與融合中存在的組織政治行為進行提練歸類，分為（ 1 ）進攻型; （ 2 ）防守型; （ 3 ）增強型; （ 4 ）退縮型四類政治行為。
  7. As the atom wiki states, the project creates " specifications for syndicating, archiving and editing episodic web sites. " i think that the defining characteristic of the domain atom addresses is not just web sites that are naturally broken into episodes, but also web sites that have a conversational nature through their interchange with other sites ; the episodes are often fueled by cross - reference to similar entries on other sites, and atom intends to be the glue for this interchange

    如atom wiki所宣稱的那樣，該項目要建立「連鎖、存檔和編輯情節式站點的規范」 。我認為， atom處理領域的定義特徵不僅僅是自然分解成情節的web站點，還包括那些與其他站點交互中具有會話性質的web站點。情節往往帶有對其他站點上類似實體的交叉索引， atom就是為了把這類交換粘結在一起。
  8. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型，在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒，認為只有那些既有質子傳輸通道，又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流，而其餘胞元不產生電流，把電極的輸出電流轉化成一個概率事件。
  9. The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

    浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。
  10. The experimental results of two - phase flow and electric performance reveal the two - phase flow characteristics, the rule of bubble growing and breaking away and the effect of the gravity factor on cell performance. the work provided dependable scientific data and guidance for the application of the proton exchange membrane fuel cell in the aerospace realm. the main work and results of the study are presented as follows : 1

    實驗得到了微重力條件下直接甲醇燃料電池內部伴有電化學反應的氣液兩相流動圖像和相應電性能等實驗數據，揭示出了伴有化學反應的氣液兩相流特點、氣泡生長與脫離規律以及重力因素對燃料電池性能的影響規律，為質子交換膜燃料電池在航天領域的應用提供了可靠的科學數據和設計與運控指導。
  11. At the same time, a joint data centre will be set up by both sides to exchange real time data collected from various stations and validated data for network management, analysis and study of prd regional air quality

    同時，兩地將建立一個聯合數據中心，供交換由各監測點收集的實時數據和經核實的數據，作為網路管理，以及分析和研究珠江三角洲地區空氣質素之用。
  12. A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed

    本論文研究了一種質子交換linbo3溝道波導共線式聲光偏轉器，其特點是利用了溝道波導的橫向約束，限制了聲波的發散和衍射效應，使得窄孔徑電極結構得以實現，從而增加了功率密度，使總的聲場驅動功率降低。
  13. 2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure

    通過引入可移動的虛邊界解決了閉合曲面的剖分問題；通過對鄰接曲面公共邊界的統一處理，保證了組合曲面拼合處網格的相容性；以邊界表示數據結構為基礎實現了三維組合曲面的全自動網格剖分；採用空間掃描線布點、診斷交換等技術，優化了網格的質量；並以autocad為支撐平臺objectarx為開發工具，開發了一個基於幾何造型的曲面三角形網格全自動生成程序。
  14. Test paper generated automatically is verified in terms of repetition of knowledge point and validity of the condition of generating test paper, and the exchange of heterogeneous data is accomplished through xml

    具體根據知識點的重復性和組卷條件的有效性校驗自動生成試卷;通過xml完成異質數據之間的交換。
  15. Secondly, based on the theories of computer graphics and computer aided geometric design, and according to the traits of automobile panels, the related theory and experience about 3d geometric expressing of automobile panels are described. it is studied to the constitution methods of typical surfaces forming the surfaces of automobile panel, fairing quality and error analysis and optimization of reconstruction surfaces, and the storage structure of " half " edge for 3d model, data changes in different stamping steps and data exchange among the different software

    然後，在計算機圖形學和計算機輔助幾何設計等理論的基礎上，根據汽車覆蓋件的特點，歸納總結了適用於汽車覆蓋件三維形體幾何表達的相關理論和經驗；研究了構成汽車覆蓋件曲面的典型曲面構造方法，重構曲面的光順品質分析、誤差分析與曲面品質優化的方法，三維重構模型的「半」邊數據結構、不同沖壓工序中的數據演化以及不同軟體平臺之間的數據交換；提出了根據周邊曲面的形狀特點構造交匯曲面的方法。
  16. 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。
  17. Also the very important factor quality of service ( qos ) is investigated, the different qos supports in the ip packet switch network are given and analyzed, including intr - serv mode and related rsvp and diff - serv qos mode. the architecture to guarantee the end - to - end qos over the different protocols and different network domains in transmitting the real time vocal data flow is provided

    此外，論文對于實時語音數據網路的服務質量qos保障進行了闡述，對于正在發展的ip網路qos保障協議包括資源預留協議、區分服務模式和多標簽交換協議進行了探討，並結合語音的ip網路特點，提出在整個系統中實現端到端的有保障qos的實現方式。
  18. The software function modules, such as data acquisition, data processing, human - machine interface and data management, are introduced. the crucial software design concepts of using multithread and double buffers for exchanging data are emphasized. the data transmission between the data collecting site and supervision center is implemented for constructing a distribute supervision system based on the network

    本文分析了電能質量在線分析儀設計中的各種問題以及解決的方法；介紹了軟體系統中數據採集、數據處理、人機交互和數據管理等四個模塊的功能和實現；詳細說明了如何利用多線程的編程方法和雙緩沖區的數據交換方式，實現對電能質量各個技術指標的實時監測、記錄和分析；實現了在數據採集點和監控中心之間數據的傳輸，並在此基礎上設計了基於網路的分散式電能質量測試系統。
  19. In this model, the velocity was controlled below50 m / s so that it is easy that the temperature of outlet propellant exceeds 1000k. by the measure of advancing the melting point of metal panel to 3000k, the temperature of outlet propellant even could be close to the very high temperature of the metal panel. it is very active to improve the capability of the whole propulsion system

    在本文模型中，將管道內工質的流速控制在50m / s ，熱交換器的出口工質溫度就能夠提升至1000k以上;提高換熱器高溫加熱段的金屬平板熔點到3000k以上，完全可以將工質出口溫度提升至接近金屬平板的溫度，這樣可以大幅度提高推進系統的性能。
  20. The characteristic of interchangeability. futures contracts for the same commodity and delivery month are fungible due to their standardized specifications for quality, quantity, delivery date and delivery locations

    （商品的）可交換、可替換性特徵。同種商品、同一交割月的期貨合約具有可替代性，合約間的可替代性取決于其特定的質量標準、合約量、交割日期和交割地點。
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