質量交換系數 的英文怎麼說

中文拼音 [zhíliángjiāohuànxìshǔ]
質量交換系數 英文
mass transfer coefficient
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 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
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案，提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法，即基於householder變換求解法和基於gram - schmidt正交化求解法，用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  2. In qcd description, pp elastic scattering is a gluon exchange process. in the other words, pp elastic scattering is a high energy multiple scattering of two quark - composite system. therefore, one can describe proton - proton elastic scattering by quark multiple scattering theory, such as glauber theory, although this mechanism cannot have vacuum quantum numbers requested by experiments

    一方面我們可以認為質子?質子彈性散射是一個膠子交換過程，另一方面我們也可認為質子?質子彈性散射是兩個夸克復合系統的多重散射過程，因此我們可以用夸克的多重散射理論，如glauber理論來描述質子?質子的彈性散射過程，雖然，這種機制不可能具有實驗所要求的真空量子數。
  3. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺化膜的研究分析表明：膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量，且接枝苯乙烯相互間的位阻效應對膜性能影響很大；膜的性能可與nafion膜相比較；質子在膜中的傳導遵循「似液體」質子傳導機理；電滲析與擴散作用使膜保持水平衡。
  4. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過對除濕塔的現場測試並結合理論計算，確定其熱質交換系數，並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔，處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系，為除濕設備的設計和指導生產運行提供參考。
  5. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所取資料，系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵；綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用；用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明，沙塵暴有其高發期（ 4 、 5月）和高發時段（ 14 - 20時） ， 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下，湍流動量通量和湍流感熱通量都是重要的湍流交換，沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。
  6. The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore

    摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎，其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數，以及孔底沖洗介質溫度升高值的確定。
  7. Seepage influences on the temperature distribution by means of heat transfer and communication, temperature influences on seepage field by changing the hydraulic conductivity and inducing fluid flow because of the temperature potential, thus finally approaching the stable seepage and temperature fields

    滲流通過參與熱量傳遞與交換影響溫度分佈，溫度通過改變介質滲透系數和溫度勢梯度引起水流運動來影響滲流場，兩者相互作用最終達到穩定的滲流場和溫度場。
  8. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試，得到了常用生土建築材料的密度、比熱和導熱系數等參數值，得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式；此外，研究了生土建築圍護結構表面質交換系數實驗測定方法，探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  9. Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process

    通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕效應，首次提出了以空氣濕度（ kg / kg ）為驅動勢差的圍護結構表面吸放濕量計算公式，該公式較適用於工程計算，從而為使建築濕環境研究成果逐步應用到建築工程實踐中奠定了理論基礎和提供了簡便演算法；通過對國內外關于表面質交換系數確定方法的研究成果的分析，提出用lewis關系計算生土建築圍護結構表面質交換系數；在實驗室環境下，對生土建築圍護結構表面質交換系數進行了測試方法研究，測試結果和利用lewis關系得到的數值較接近。
  10. Aiming at the demand of power department and the practical application, we design power quality supervisory based on dual cpu ( dsp and microprocessor ), high - precision distributed data acquisiton and processing in dsp, an optical to record the waveform of inputs and corrdination activities of electronic elements dependented on microprocessor. data between the master and the slave can be transferred by dual - port ram. wu zhongyan ( electrician ' s theory and new technology ) directed by prof

    針對我國當前電力系統的需求和工程實際問題，設計了基於dsp與單片機雙cpu的電能質量檢測系統，該系統應用dsp處理器來實現各類數據的測量和處理，單片機實現人機界面及控制各電路的協調工作，主、從處理器通過雙口ram進行信息交換。
  11. In order to ensure the whole system operate economically, power department equip transformer with onload tap changer and shunt capacitors for most distribution substations, according to the operating condition, adjusting the position of transformer taps and capacitors can control the variation of voltage and reactive power exchanger of distribution substations and power system in certain extent

    為確保整個系統運行經濟性，降低網損，電力部門在大多數變電站配置了有載調壓變壓器和並聯補償電容器組，根據運行情況適當調節變壓器分接頭的位置和投切並聯補償電容器組，可以降低電壓變化和變電站與系統的無功交換控制在一定的范圍內，確保供電質量和電網運行的經濟性。
  12. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡（ nolm ）相結合的方案來對信號脈沖進行壓縮整形，模擬顯示，在調節系統合適參數的情況下，波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時，最後可以得到放大的高質量超簡訊號光脈沖；在基於soa的交叉增益調制（ xgm ）全光波長轉換中，採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低，波長向下轉換的距離和反轉光的峰值能量都得到明顯提高，降低了利用交叉增益調制（ xgm ）波長轉換中對波長精度的要求，從而提高了波長轉換的靈和性。
  13. The effectiveness of a membrane mass exchanger increases with the increase in the so solute mass transfer coefficient, ultrafiltration flux and dialysate flow rate, as well as with the decrease in the retentate flow rate

    薄膜質量交換器之效率隨溶質質傳系數、超過濾濾速、及透析液流量之增加，或隨保留液流量之降低而增加。
  14. Mass transfer coefficient

    質量交換系數
  15. With the demand for high quality of electric energy is increasing ， as the most immediate part to the consumer ， distribution network ’ s efficient and reliable operation is very important as the result ， new distribution automation equipment with high performance is inevitable prime machine system ， as data collection and processing subsystem of dms ， provides communication of kinds of information between control center and rtus it ’ s reliability ， real ? time abilitv and stability affect the scada system directly to solve the disadvantage of the existing system ， whose channels are dependent ， a new proj ect of single board system is brought forward and its hardware and software are designed with high performance chip of communication ， independence of channels is realized basic function of system is realized ， and faster reposition and expansibility of the single chip is fully applied

    配電自動化通信前置機作為dms主站系統的數據採集與處理子系統，提供監控中心與遠方rtu之間各種可能信息的交換功能，其可靠性，實時性和穩定性直接影響scada系統的運行質量。本課題針對現有前置機各通信通道之間不相互獨立、穩定性低的固有問題，提出一種新式單板前置機系統，並對其進行了軟硬體設計，選用高性能專用通信處理晶元，實現各通道獨立，並在實現前置機基本功能的基礎上，充分發揮單片機相對于工控機的快速復位功能以及更好的可擴展性，實現了一個可靠、穩定、靈活的前置機系統。
  16. All these characteristics simplifies the data handling for the power quality monitoring network server installed in the power grids. we also introduce a new format for power quality and quantity data interchange ( pqdi f ), it offers a solution to the problem of different power quality file formats

    另外針對目前電能質量數據交換沒有統一文件格式的情況，採用了ieee的推薦格式（ pqdif ）來設計實現本系統的交換文件，並提供了應用實例。
  17. The major achievement of this dissertation is outlined in the following : 1. investigate the potential effect of switch routing on end - to - end service quality with both theoretical and experimental methods : it is found that service quality of lsp is better than that of ip routing if load on router is low or end - to - end bandwidth reservation is implemented, but lsp is more sensible to load on router. mpls must be used in company with policy based routing and packet classification to provide end - to - end qos service in internet ; 2

    使用理論分析和實驗測試相結合的方法詳細分析了交換路由對端到端傳輸質量的影響：研究表明，在鏈路輕載或預留帶寬的情況下，交換路由系統對數據流的服務質量優于傳統路由系統；只有綜合應用策略路由、數據報分類調度和標簽交換才能有效實現internet環境下對端到端服務質量的控制； 2
  18. 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。
  19. 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。
  20. 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。
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