水平交換系數 的英文怎麼說

中文拼音 [shuǐpíngjiāohuànxìshǔ]
水平交換系數 英文
horizontal exchange coefficient
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 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
  • 水平 : 1. （跟水面平行的） horizontal;level2. （達到的高度） standard; level
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  2. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。
  3. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  4. In the tidal estuary, the current is complex, and the flow is oscillatory. some experiential formulation has presented to calculate the vertical turbulent mixing coefficient. on the base of analysis of the hydrodynamic in the estuary, the theoretical equation, which describes the distribution of the space and time of vertical turbulent exchange coefficient, has developed, the equation has applied to the practice

    潮汐河口水流呈往復振蕩運動，本文在分析潮汐河口水動力特性基礎上，考慮了慣性力及重力等項的影響，通過理論推導得到潮汐河口垂向紊動交換系數的空間分佈及時間分佈的計算公式，以及垂向平均紊動交換系數的時間分佈的計算公式，並將其應用於潮汐河口的實際計算中。
  5. 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。
  6. Based on the fast ethernet technology standards, the hardware platform integrates the field analysis facilities, the water quality detecting facilities, boat carried gps and hydrometeorological facilities to a fast boat carried entironment monitoring system. the system realizes the auto collection, pretreatment and distribution of the sample of the marine water, the field collecting, distill, analysis and storage of the monitoring data and sending of the data to land supporting system to finish the producing and rele ase of the information product

    該硬體平臺採用符合internet intranet技術標準的交換式快速以太網技術和星型連接拓撲結構建設船載局域網路，支持局域網上10mbps的數據傳輸速度，將現場分析儀器、水質檢測設備、船載gps以及水文氣象等設備集成為一個船載海洋生態環境快速監測系統，實現樣品的自動採集、預處理與分配，以及監測數據的現場收集、提取、分析處理與存儲，同時將監測數據實時傳回地面支持系統進行信息產品製作和發布。
  7. Limited by adc chip ’ s manufacturing processing, it is hard for a single adc chip to acquire the high sampling rate and high precision at the same time. the method of parallel times - interleaved sampling adc system is effective to solve this problem

    受模數轉換晶元發展水平的限制，單片adc晶元很難同時滿足高速高精度的要求，多片adc并行交替采樣技術是突破採集系統這一瓶頸的有效方法之一。
  8. Then, this thesis had analyzed current demand from the securities companies and the feature of existing data, designed the granularity model, dimension model, system structure and function module of data warehouse for securities companies. the author had detailed demonstrated the designing and realizing of multi - dimension dataset, data conversion module, manage and control module, multi - dimensional analysis module, demonstrated the analysis result to client terminal with the example of client transaction analysis. so to provide quick and effective reports and analysis to the decision makers of securities companies in multiple aspects, and upgrade the company ’ s market reaction speed and competitiveness

    其次，根據對券商現有需求及現有數據特點的分析，對券商數據倉庫的粒度模型、維度模型、系統結構及功能模塊進行了設計，並以客戶交易分析主題為例詳細闡述了多維數據集的建立以及數據轉換模塊、管理控制模塊、多維分析模塊及多維數據前端展示的實現，從多角度、多方位為券商決策人員提供了快速有效的各種分析報表，提高了企業的市場反應速度和競爭力水平。
  9. In this thesis, we deeply research on secure transmission technique in military information system and presented a multipurpose image watermarking algorithm together with a new authentication and key exchange protocol. they can be well used in the transmission platform

    本文深入研究了軍用信息系統安全傳輸技術，設計和實現了一個多功能數字圖像水印演算法和一個認證和密鑰交換協議，並將其應用到傳輸平臺中。
  10. On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable

    本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景，建立了福建電力系統及其與外部互聯的數學模型，開展大量的模擬計算分析，研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律：前述互聯可以安全穩定運行，取得顯著效益，當傳輸功率達到一定量后，主網架增加了送出或吸收互聯交換功率的負載，系統運行狀態向穩定性水平有所下降的方向轉移；聯絡偏弱使阻尼偏弱，聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發，聯絡線一旦重載斷開，系統高周或低調嚴重。
  11. However, for our country, because of some extensive gap in the network development with the foreign country and the incompletion in the technology of electronic data interchange, basic problems need to be researched urgently. we should pay more attention to the enterprise inner logistics. logistics in discrete manufacturing system of job - shop ordering type is the most complicated, so we choose it to research

    而對於我國來說，由於國內在網路方面發展與國外有一定差距，電子數據交換技術不夠完善，因此就目前水平我們在緊跟國際前沿問題的同時也要對企業內部物流加以重視，而單件小批訂貨型離散製造系統物流最復雜，故我們在此選取單件小批訂貨型離散製造系統物流進行研究。
  12. Horizontal exchange coefficient

    水平交換系數
  13. Pdm system can solve the problems of product data management, but the study of standardization of the product information source is rare, this paper, from the standardization of the information source, based on the analysis of main model, file naming, environment settings etc. presents the data creation standard, and implemented it as a system called ucdcs ( ug china data creation standard ) using the developing tool ug / openapi on the ug system, its using indicates that the standardization of cad data can make the data exchanging easier, information standardization can be a good foundation of pdm implementation

    Pdm系統解決了產品數據管理的問題，但是對數據源的規范化卻缺乏研究，本文本著信息源的規范化，從主模型、文件命名、屬性輸入和重用、深度備份、參考集和圖層等環境設置方面出發，研究了產品數據的規范化，提出了數據創建標準，並在ug系統上使用ug openapi開發了ug規范化應用軟體ucdcs （ ugchinadatacreationstandard ） 。企業的應用實踐表明，規范cad數據的生成，既保證了設計各階段數據的全相關、共享，也保證了主模型的安全，方便設計人員間cad數據的交換，提高了cad數據共享程度和cad軟體使用水平，為pdm系統的有效實施規范了基礎數據。
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