相對流動系數 的英文怎麼說

中文拼音 [xiāngduìliúdòngshǔ]
相對流動系數 英文
relative flow factor
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. It further discusses the operation mechanism of the system of agrotechnical diffusion and indicates that the essence of technical diffusion is information diffusion, and the system depends on the course which information flows from the fountainhead to the receivers. and it analyzed the ingredients which influence the information flowing in the system. intruding shannon ’ s information

    進一步探討了農業技術擴散統的運行機制,並指出,技術擴散實質是信息的傳播,是建立在信息從信息源到接收者之間的過程,技術推廣統中影響信息的因素進行分析,引入shannon的信息熵計算方法,信息接受者的信息接收含量進行測度,通過所得的值進行比較,運用定量與定性分析結合的方法證明技術推廣活的效率。
  2. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd值模擬的方法溪洛渡水電站主變洞排風拱頂這種多股氣的長距離通道內的氣進行了分析,提出了「虛擬分支」的概念和應的網路基元模型,並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻以及阻抗的計算公式。
  3. This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels

    本文詳細研究了蒸發器、冷凝器、壓縮機和毛細管的傳熱特性和特性,建立和發展了蒸發器、冷凝器、壓縮機和毛細管學模型,並進行了應的模型簡化和修正方法研究,建立了從實際統到模擬統的轉換方法;本文針各製冷統的特點,在統層次上進行了部件模型的修正研究,建立了應的修正模型和演算法。
  4. The way to get ko was given in this paper. by this way, the turbulence control equations were constructed from reynold equations with static pressure supposition and boussinesq ' s turbulence viscidity coefficient supposition and the salinity transportation equations, which are representative of the matter transportation equations, are given. the integrated deduction and corresponding boundary conditions are also given

    根據上述思想,從雷諾方程出發,採用靜壓假定和包辛內斯克的紊粘性假說,建立了新坐標中的紊控制方程組,同時給出了物質輸運過程具有代表性的鹽度輸運方程、應的邊界條件及完整的推導過程。
  5. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    ( 3 )基於最小能耗率原理,以水能耗率作為目標函,以水連續方程、水方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件,通過目標函求條件極值,分別推導出以懸移質造床為主的顯式河式和以推移質造床為主的顯式河式。
  6. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向角度出發,提出了一種lcc諧振型恆頻移高頻鏈逆變電路拓撲,在調制0 . 1 m 0 . 5情況下,控制移角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明于阻性負載或阻感性負載,移全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  7. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    這一情況本文冶金輔傳用變頻輥道電機的設計進行了統研究。首先變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交電壓的20倍;軋機輔傳輥道電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  8. 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雲量等參。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交換能位溫廓線等,以及它們的日變化。該模式所取參主要針北京市,時間為九月初,于其他城市,參應作應的調整。
  9. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩泵的邊界層理論及區速度場的分析,給出了離心泵葉片型線的參方程;它是以葉片安裝角為參變,以引入的速度k _ v作為中間因子,將兩泵的邊界層理論和歐拉理論聯起來? ?它說明了這樣一個事實,在離心泵葉片型線的設計過程中,它的整個形態或參的確定都關繫到兩體的特性和泵的輸出能力,或者說,離心泵型線的設計是其水力設計的核心。
  10. Using the matlab tools, a computer program is compiled to solve this mathematic model, by which simulations to the thermal environment of the heated space under different heating style are carried out. the simulations results and their analysis show that for different space with the same thermal comfort index, the energy consumption of low - temperature water floor radiant heating system is less than that of convection heating system

    基於上述採暖空間的熱網模型,運用matlab學軟體編程,低溫熱水地板輻射採暖方式和採暖方式下房間的熱環境進行態分析,並這兩種採暖方式下採暖統的能耗進行計算機模擬計算,結果表明低溫熱水地板輻射採暖採暖統有顯著的節能性。
  11. At the same time, according to the similarity theory and dimension analysis, this research has accomplished the heat convection experiment, and has gotten the calculation method of heat convection coefficient of drum brake

    並在似理論和量綱分析理論的指導下,進行鼓式制換熱實驗,得出鼓式制換熱的求解公式。
  12. In design flow modeling, a new design flow model definition method based on object oriented colorful petri net is put forward. in sub _ task dispatching, the task database, the task dispatch algorithm, the task dispatching time and its amending algorithm, the task dispatching execution plan etc. are designed. in version management, the version model of design object is built and the relationship between the linkers in dfms model and the version model about design objects is studied

    關的關鍵技術研究中,提出了一套包括通信模型的建立、通信原語的設計、通信服務器的設計等內容在內的被式協同設計通信方案;設計了一種基於面向象有色petri網技術的設計程模型定義方法;提出了一種基於調度時間和資源狀況的子任務調度方案,並完成了任務據庫的設計、子任務調度演算法的設計、子任務調度時間及其修正演算法的設計和子任務調度實施方案的設計等工作;建立了設計象的版本模型,研究了設計程模型的各種連接器與設計象各種版本間的應關
  13. Some conclusions can be drawn from the experiment. first, the discharge coefficient of liquid is almost constant when the pressure before injecting is high enough, but the discharge coefficient of gas fluctuates because of the influence of liquid flowing. second, when the total pressure of gas is low, under the same total pressure, increasing the pressure before injecting or under the same the pressure before injecting, lowing the total pressure of gas make the mean diameter smaller

    量特性試驗表明,在液體噴注壓降較高時,液體的基本不變,但是氣體的受液體的影響較大;霧化特性試驗表明,在同一氣體總壓條件下,增大液體噴注壓降或者在同液體噴注壓降條件下,減小氣體總壓液滴霧化有利。
  14. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在變學原理的基礎上,深入分析混凝土在輸送管道內的狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的學模型,並運用模擬軟體matlab simulink泵送和分配迴路模型進行了模擬,分析了在不同的輸入量(泵送頻率)和換向時間下,活塞桿的位移和統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運時間(變化值)不匹配) ,並提出了應的改進方法。
  15. The characteristics of power law fluid governing equation was elaborated and the effect of viscosity and flow exponent on two - phase flow was studied

    摘要闡述了冪律體控制方程的特點,研究了冪律體的稠度的變化的影響。
  16. The factors affecting the permeability coefficient are investigated, and the mass transfer model across the supported liquid membrane is established, by which the mass transfer is simulated

    考察了各因素滲透的影響,並傳質滲透過程進行模擬。同時建立了支撐液膜中的膜失行為的態膜阻抗監測方法。
  17. Motion compensated prediction error image has significant amplitudes mainly along the boundaries of moving objects, correspondingly its wavelet coefficients contain large energy in high frequency bands. this greatly reduces the coding efficiency of ezw. it is first provided that the correspondence between the significant amplitudes area of the mcp error image and the wavelet coefficient significant map, then encode the significant map efficiently using quadtree approach, followed by bit - plane coding the significant coefficients to produce an embedded data stream. experiment result shows that compared to ezw and zte, the proposed algorithm is more efficient and has better performance

    演算法于運補償余量誤差幀首先進行小波變換,並選取適當的閾值,用重要圖表示大於該閾值的重要。根據殘差幀小波的統計特性,用四叉樹方法編碼重要圖,並重要作位面編碼,生成嵌入式碼。實驗表明,與ezw , zte等演算法比較,該演算法編碼效率高,復現圖像質量好。
  18. Then, according to the cause of formation analysis, find out that the influential factor of liquidity risk mainly derive from two aspects - the internal structure of asset and liability and external economic environment, affirm and quantitatively analyze the influential degree of these factors for liquidity risk by means of static index method, correlation coefficient method, liquidity gap method, consequently acquire the major influential factor of liquidity risk

    然後,結合成因分析,找出國有商業銀行性風險的影響因素主要來自於銀行自身資產負債結構和外部的宏觀經濟大環境兩個方面,並分別利用靜態指標法、法、性缺口模型法影響因素性風險的影響程度加以量化確認,從而明確現階段性風險的主要影響因子。
  19. The mechanism of phenol transport through the supported liquid membrane ( slm ) and the factors affecting the permeability coefficient were investigated. the method dynamic impedance monitor was established, and the stability and the loss process of membrane liquid of slm were investigated by this method

    研究探討了苯酚在支撐液膜中的傳質機理,考察了各因素滲透的影響;建立了研究支撐液膜穩定性的態電阻監測法,並支撐液膜的膜液體失情形進行了研究。
  20. With the data from the survey of the four villages in the north of jiangsu province, the paper analyses the general characteristics of the floating labor, the effect of the soil, social networks and labor agency on labor transfer, and finds that the most floating labor forces are prime, who are young and middle aged with more education ; the most of labor stayed in country are the elders and women ; only 20 % of the country labor force are the real farmers, and the most are between the farmers and non - farmers

    摘要本文根據蘇北四個村莊進行問卷調查得到的據,分析了力整體特徵、土地的影響、社會網路關和勞力中介市場的影響等問題,發現轉移出去的是農村勞力的精華部分,大多都是青壯年,文化素質較高,留在農村的勞力大多是老人、婦女;只有1 / 5的農村勞力還是真正意義上的農民,大多身份介於農民和非農民之間。
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