流線分層 的英文怎麼說

中文拼音 [liúxiànfēncéng]
流線分層 英文
streamline stratification
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  • 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
  1. According to different flow patterns, a new transferring rule for oil - water two phases system flowing model in pipes is built in including the stability rule for stratified flow patterns and transferring border and anti - phase border for deconcentrating patterns and mixture patterns

    根據管內油、水兩相型特徵,建立了新的油、水兩相管型的轉換準則。它包括:型的穩定性準則、型和混合型的轉換邊界及反相界
  2. A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected

    該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通徑期望佈、大城市與區域干公路網的銜接以及快速路系統網的整體結構等進行次的析研究,得出快速路系統網構架,運用重要度法、析法找出大城市重要功能組團中重要程度最高的一個或數個關鍵交叉口作為快速路系統網規劃的控制點,考慮快速路路走向的控制點對路走向進行優化。
  3. Stratospheric photolysis and reaction with o absorbs infrared radiation ; affects stratospheric o

    2 )在大氣平中被光解與及和o起化學作用
  4. 2 stratospheric photolysis and reaction with o absorbs infrared radiation ; affects stratospheric o

    2在大氣平中被光解與及和o起化學作用
  5. Insignificant in troposphere, dissociated in stratosphere photolysis and reaction with o

    在對中不易被解,但在平中會被光解和跟o產生化學作用
  6. Insignificant in troposphere, dissociated in stratosphere ( photolysis and reaction with o )

    在對中不易被解,但在平中會被光解和跟o產生化學作用
  7. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多pcb設計,路板結構緊湊,電源部採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統析,規劃系統框圖、析、模塊劃,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。
  8. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對邊界中最早失穩的浮力振型的功率譜波長波速與臨界位置等基本特徵和它為主導其他振型尚未失穩時按性理論得到的3種相互獨立振型的振幅佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲,實驗結果表明,溫度漲落的中性曲在低格拉斯霍夫grashof數
  9. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電法、佈電法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單同心繞組的布置方式,根據安培定律推導出空芯動圈式直永磁同步電動機的靜推力計算公式,析靜態力?位移特性; ( 3 )建立空芯動圈式直永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。
  10. Plastic optical sheet cnc ceter single screw, twin - screw extrusion fabric coating film production line

    寬幅cpp涎7阻隔膜生產切機
  11. Conductivity reconstruction, one kind of electromagnetic measurement, reconstructs conductive property distribution of the biological tissue exposed to electromagnetic fields by measuring the fields around it. this thesis presents the application of improved genetic algorithm to reconstruct the conductivity distribution of stratified biological tissue by measuring the change of impedance in the coil

    本文主要研究在載圈作用下,通過測量生物組織產生的二次場對圈阻抗的改變,應用改進的遺傳演算法重構生物組織各電導率和厚度的方法。
  12. Based on the analytic analysis of the linear synchronous motor ’ s layered model, the paper deducted the composing of air gap magnetic fields and the analytic expression of levitating and advancing force. these results provide theoretic guidance not only for the analysis and measurement of the vehicle ’ s air - gap magnetic fields but also for the eatablishment of the

    採用各向異性介質近似模擬齒槽區域,並引入定子和轉子等效電的概念,建立了直同步電機的磁場模型,在此基礎上得到了氣隙磁場的組成以及懸浮力和推力的解析表達式,為氣隙磁場的析和測量以及列車運動情況下電磁力軟測量模型的建立提供了理論指導。
  13. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下:首先,研究了vcsel的熱場特性,析了電擴展,材料參數和工作條件對于溫度佈的影響;其次,從電極電壓入手,計算出激光器中的等勢佈,並對不同深度處的電壓和電佈進行比較,研究了高阻區的不同位置和不同厚度、限制和出射窗口半徑的大小對電密度、載子濃度和溫度佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電密度佈、載子濃度佈和熱場佈,析了溫度和載子濃度變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制時激光器中的等勢佈,析了n - dbr和雙氧化限制對vcsel電密度、載子濃度、溫度和光場佈的影響。
  14. A separation in the boundary layer of fluid about a moving streamlined body, such as the wing of an airplane, causing a breakdown in the smooth flow of fluid and resulting in turbulence

    離移動的型的軀體上體邊界上的隔物,如飛機的機翼,在平滑的動中會引起故障和湍
  15. The velocity distributions, the relative mach number distributions and the flow trace distributions are visualized, and the reasons, which cause bad aerodynamic losses and make the flowfield complicated, are analyzed, including wake, secondary flow, separated flow and the interaction between shock and boundary layer

    顯示壓氣機內的速度場、相對馬赫數佈及動跡佈等,並析造成嚴重損失及使場趨于復雜紊亂的原因,包括尾跡、二次及激波/附面干擾等現象。
  16. Polypropylene spun - bonded fabric product line, geotextile compound film product line, single - layer / multi - layer co - extruded cast embossed film unit, running compound film machine, large - size film coating machine, laminator, hot - rolling mill of non - woven fabrics, splitting machine

    聚丙烯紡粘非織造布生產,土工布復合生產,單/多共擠延壓紋膜機組,延膜機,大型塗膜機,淋膜機,熱軋機,切機
  17. Then transit network is formed according to land use, transit stations and hubs, and passenger flow assignment on the layer of transit network is realized

    進而結合用地性質和公交場站形成公交網,再實現公交上的公交客配。
  18. Firstly, when the pipe flow was laminar, the movement of fibers was computed in the 2 - d force formulae that were deduced from the slender body theory and in 3 - d integral method. results revealed that angles between fibers " axis and the orientation of flow would concentrate gradually on a low number as the re numbers increased. that is, the axis of fibers would rotate toward the orientation of flow

    首先,當管道內動為時,別利用從細長體理論出發得出的纖維二維受力公式和三維段積計算方法模擬了大量纖維在場中的運動,然後在最終時刻統計了纖維的偏角佈,並得出相同的結果:隨著re數的增加,纖維粒子的偏角逐漸集中於小角度,即纖維軸方向越來越集中於向,此結果與實驗吻合較好。
  19. The spatial distribution of shala, stylolites, baffles and other heterogeneities determines the pattern of fluids flow within the oil reservoirs and specially the ultimate oil recovery

    泥葉巖、縫合、隔和其它非均質性的空間佈決定油藏中體的動模式和最後油藏的自我恢復。
  20. The experimental results show that the method is effective to identify the flow patterns of bubbly, plug, stratified, wavy, slug and annular in a horizontal pipe. the identification accuracy is shown as follows : bubbly flow is 93. 3 %, plug flow is 85. 3 %, stratified or wavy flow is 97. 3 %, slug flow is 98. 6 %, and annular flow is 92. 7 %. an estimation of the process time is 22 frame / s

    實驗結果表明,該方法能自動有效地識別水平管道內的氣泡、塞狀、波狀、彈狀和霧環狀等基本型;識別準確率如下:氣泡為93 . 3 ,塞狀為85 . 3 ,為97 . 3 ,彈狀為98 . 6 ,霧環狀為92 . 7 ;識別圖像速度約為22幀秒,適合於在實時識別兩相型。
分享友人