velocity factor 中文意思是什麼

velocity factor 解釋
流速系數
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  • factor : n 1 〈英國〉經銷人；（代客買賣收取傭金的）經紀人；代理商；代辦人；〈蘇格蘭語〉 土地經管人。2 要素...
  1. The remaining factor in(7, 8. 3)is the carrier wave and its phase velocity is c.

    （7，8.3）中剩下來的一個因子就是載波，其相速度是C。
  2. ( 4 ) the correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study

    （ 4 ）研究結果顯示，在頻率域內，面波衰減系數分佈與群速度分佈具有一定的相關性。
  3. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。
  4. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。
  6. The forecast method of formation compression the principle of forecast method is based on increasing of formation compression along with burial depth. the used parameters include velocity, density, porosity, and fluid content etc. in fact, the factor influence formation compression is very complex

    4地層壓力預測方法地層壓力預測方法的基本原理建立在地層壓力隨埋深增加而增加的基礎上，所用的參數主要有巖層速度、密度、孔隙度、流體含量或與之有關的參數等。
  7. X4 ? gridding attenuation and 2 ? x2 ? gridding group velocity are calculated respectively, based on the attenuation and velocity, the distribuation of rayleigh wave quality factor qr are yielded finally. ( 3 ) building the s - wave quality factor og3d structure of the continental crust and upper mantle of china area

    為此把中國大陸區域劃分成4 4網格和2 2網格，利用lsqr方法分別進行衰減系數和群速度網格化反演，得到4 4單元格的衰減系數分佈和2 2單元網格的群速度分佈。
  8. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像，用g . s . young在2000年發表的方法，反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。
  9. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容： （ 1 ）片斷和連續常綠闊葉林的外貌、結構和物種組成特徵； （ 2 ）片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性； （ 3 ）片斷和連續常綠闊葉林的科（ ? ）屬水平的植物區系成分； （ 4 ）片斷和連續常綠闊葉林生活型組成； （ 5 ）在不同的水平梯度格局上（林外、林緣和林內） ，片斷和連續常綠闊葉林的小氣候要素（光照、溫度、風速、濕度等） ； （ 6 ）片斷和連續常綠闊葉林的環境和土壤因子，與群落的物種多樣性之間的關系。實驗結果表明： （ 1 ）各片斷森林的外貌特點基本上和連續森林一致。
  10. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  11. When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred

    發現在加熱的情況下，邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及速度能譜中慣性子區消失等變化。
  12. The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ). it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent, doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface

    實驗研究了快速熱擴散（ rtd ） ：通過旋塗磷膠和印刷磷漿兩種方式考查了2 4和103 103單晶硅的快速熱擴散特性，發現： 1 ）此樣機的溫度場在空間分佈上是均勻的； 2 ）快速熱擴散可以比傳統擴散快3倍的速度進行擴散； 3 ）在擴散溫度和摻雜磷源相同的條件下，與傳統擴散相比，快速熱擴散將雜質向結更深的地方推進。
  13. The results showed that the fluidization air velocity was the most important factor for the average mass ratio of powder and gas in the conveying, and that the least important was the agitator vertical height

    試驗結果表明，對于平均輸送固氣質量比，流化風速的影響最大，攪拌棒提升高度的影響最小。
  14. And if the relative velocity of two inertial frames is constant, the compound pendulum in motion runs slower at a same factor than the resting one

    兩慣性系相對速度一定時，運動的復擺鐘都比靜止的鐘慢了一個相同的因子。
  15. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  16. Not satisfied by measuring ambient temperature with an obsolete system, ameri - cans invented the wind - chill factor, which combines degrees fahrenheit with air velocity to create a num - ber that ' s much more impressive

    美國人不滿足於用過時的系統來衡量溫度，因此發明了風寒因素，即把華氏度與空氣速度結合在一起，所得數字給人的印象要深刻得多。
  17. Based on the analysis of types and sources of risks that confront commercial banks, the paper first determines the methodology for its research, i. e. mathematical statistics for quantity factors and the fuzzy discriminating analysis for the quality factors. combining the evaluation approaches of the banks in germany and china, the paper gets 13 common indices, and with mathematical statistical method, chooses 4 factors that will influence customer credits : equity capital / total asset, velocity of stock in trade, velocity of total assets and payoff rate of total sale. the four factors with liquidity factor reflect the customer ' s financial characteristics, such as capital structure, operation, earnings and liquidity

    在理論分析的基礎上，結合德國和中國有關銀行的客戶資信評價方法，在得到影響客戶信用13個常用指標的基礎上，利用數理統計分析方法（ t檢驗、多元判別分析和逐步判別分析等）得出影響客戶信用的四個因素：自有資本率、存貨周轉率、總資產周轉率和銷售盈利率，他們反映了企業資本結構、經營狀況和盈利水平，加入企業的流動性以後，它們決定了客戶的財務特徵。
  18. The financial innovation added the rise factor in the tendency which the monetary velocity dropped in china

    而金融制度的不斷創新給中國貨幣流通速度下降的趨勢中添加了上升的因素。
  19. When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made

    當交通荷載為長期均布荷載時，討論了各相關因素，包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響；當交通荷載為移動恆載時，計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律，討論了車速和車輛輪壓對這兩個管道力學性狀的影響；當交通荷載為穩態簡諧荷載時，計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律，討論了車速和車輛輪壓對管道力學性狀的影響。
  20. The longitudinal wave velocity in saturated soil could not only be useful, but reflect more information as well. the shear wave velocity may be different from the shear sewv, the difference is proved to be caused by porosity and structure factor

    認為潛水面下縱波速度能反映更多的信息，並且，橫波速度與骨架的橫波速度也可以由孔隙率及結構因子引起差異。
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