邊界層發展 的英文怎麼說

中文拼音 [biānjiècéngfāzhǎn]
邊界層發展 英文
development of boundary layer
  • 邊 : 邊Ⅰ名詞1 （幾何圖形上夾成角的直線或圍成多邊形的線段） side; section 2 （邊緣） edge; margin; oute...
  • 界 : 名詞1 （相交的地方; 劃分的界限） boundary 2 （一定的范圍） scope; extent 3 （按職業、工作或性別等...
  • 層 : 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...
  • 發 : 名詞（頭發） hair
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Even the worse, some social groups have to choose to quit the system of institution. endowment assurance system is an important part of social security, but there also exists a obviously series of crisis such as the contradiction between chasing uniform fair or equality and the confine of diversities identity, the conflict between seeking universal cover and dualistic division of the city and country and the shortage of annuity fund

    伴隨轉型過程形成、發展起來的非正規就業群體，存在著嚴重缺乏社會保障、整體「游離」于制度保障體系邊緣、養老保險參保率低甚至屢屢退保等日益凸現的問題，對此，無論是學術界還是決策層都應該對其予以足夠重視和關注。
  2. The regional structure interpretation with 3d seismic data shows that the graben and shied mode faults of the baigezhuang, which developed a series of normal faults which stroked in ne ( nee ) and dipped nw or nw, came into being in the rift development stage of ii act of the bohai bay rift basin in mesozoic and cenozoic and resulted from the protrudent boundary of the basin, i. e. the strike - slip and stretch processes of baigezhuang fault

    同時，用三維地震資料進行區域構造解釋分析，論述了柏各莊地區的構造樣式，是中新生代渤海灣裂谷盆地的幕斷陷發育階段，同時由於盆地內凸起邊界?柏各莊斷層的走滑兼伸展作用，使柏各莊凸起的中生界形成壘、塹斷塊群構造樣式，發育一系列ne （ nee ）向，傾向nw或sw的正斷層。
  3. The ncep / ncar globally tropospheric 1 1 reanalysis data have been employed to select six landfall typhoon cases in order to diagnose variations of typhoon warm sectors in atmospheric boundary layer during their whole life periods

    摘要採用ncep / ncar全球對流層1 1再分析格點資料，選取6個登陸臺風個例，分析了不同發展階段臺風大氣邊界層暖區變化的特徵及其與強度變化的關系。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  5. A second question in respect of which we also have mutual understanding with the united nations secretary general, with the g8 members and with the members of the united nations security council concerns the necessity of providing conditions in which the world community s involvement in iraqi settlement after june 30 is based on the clearly expressed wishes of the iraqis themselves in the form of the interim government now being formed

    普京認為，俄羅斯和中國夥伴關系和戰略協作的客觀基礎是，兩國具有共同的根本國家利益，它們對發展雙邊關系、世界結構的基礎和關鍵的國際問題的態度是吻合或接近的。這將通過涉及各個層次和各個領域的對話與合作機制實際體現出來。
  6. The fault at the east boundary of tangyuan fault basin is a basin - controlling fault, and the faults at both the east and the west boundaries of fangzheng fault basin are also a basin - controlling fault, with the west boundary fault at fangzheng being the major one

    斷層的生長指數分析表明，依舒地塹內部的北西向斷裂與邊界斷裂的活動具有一致的規律性，都起到協調邊界斷裂演化發展的作用。
  7. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比，本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析，並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性，為兩地暴雨預報提供有益的參考，得出了一些很有意義的結果： 1大尺度環流背景分析表明： （ 1 ） 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關，攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部，導致了這次強降水的發生； （ 2 ） 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明，東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系，存在一支橫越低空急流的經向垂直環流，暴雨區處于該垂直環流的上升支； （ 3 ）偏南和偏東氣流水汽通道在西北地區東部交匯，水汽的輻合積聚主要在對流層低層和行星邊界層內完成； （ 4 ）整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈，與切變線走向非常一致，降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  8. The model simulations indicate that the severe storm is occurred in the pattern high - level of northwest flow, the waterjumping downhill flow form taihang mountain is the key mechanism to initiate the convective, on the other hand, the terrain can induce unbalanced low - level flow, which play an importance role in generating the mesoscale gravity waves ( mgws ) by convergence and divergence in low - level troposphere

    （ 2 ）太行山對華北強對流風暴的發生有重要作用。一方面，地形可引起邊界層風場的變化，包括風垂直切變、下坡氣流和中尺度輻合線，從而對風暴的啟動、組織和移動發揮作用；另一方面，山脈背風波動和地形產生的不平衡氣流，有利於中尺度重力波（ mgws ）的產生和維持，並對下游地區強對流天氣的發展產生影響。
  9. Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation

    三、對兩個應用問題的討論表明：基於本文發展的蒸發波導預測理論，使用微波折射率儀為傳感器： （ 1 ）開展通量關系研究時，可以用於邊界層溫度、濕度和折射率無量綱梯度函數的精確測定和得到蒸發波導環境預測所需的偽折射率參數化函數關系； （ 2 ）預測蒸蒸發波導環境特性和傳播特性及其應用研究發波導環境時可以避免使用傳統氣海界面要素測量中存在的局限，並用折射率音d面不太高的精確測量結果精確預測蒸發波導環境。
  10. Results show that typhoons had different characters of boundary layer temperature and vorticity fields at different life stages, and the intensity of typhoons was inversely proportional to the distance between warm center and maximum positive vorticity center, that is to say, the smaller the distance, the stronger the typhoon

    結果表明：在臺風的不同發展階段，其大氣邊界層相對渦度場和溫度場的結構有著明顯的不同特徵，暖中心與正渦中心的距離與臺風強度為反相關關系，暖中心與正渦中心的距離越小，臺風強度越強。
  11. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。
  12. Turbulence over flat wall is presented with the cfd software cfd ace ( u ) when given by various inlet boundary conditions, subgrid model and turbulence intensity under the two - dimensional circumstance. on comparing these outcomes with the experimental data, we can analyze the impacts that all these factors have on the development of flow boundary layer

    採用計算流體力學軟體cfdace （ u ） ，在二維情況下應用不同的進口邊界條件、亞格子模型和來流湍流度對平壁流動進行大渦模擬，並將模擬結果與已有的實驗結果進行對比，分析比較了這些因素對流動邊界層發展的影響。
  13. Horizontal circulation at the inlet of the upper approaching channel of three gorges project can affect the safety of navigation. boundary layers will separate along a curved dike causing horizontal circulation regions which affect the overall flow field and increase sedimentation

    類似的由於流動邊界出現凸出障礙物引起邊界層分離，導致迴流發展、流態惡化，造成泥沙淤積等一系列問題的情況，在水利、航道及電站等工程中普遍存在。
  14. The main work and findings of this study are shown as follows : in this paper, the nonhydrostatic version of mesoscale numerical model mm5 is used to simulate heavy rain with the same conditions except for the pbl parameterization schemes

    如果能將該方案進一步改進和發展，進而併入一個有良好性能的中尺度模式，那麼，可以預期，其模擬結果，特別是行星邊界層的模擬將會得到顯著改進。這是邊界層氣象服務于實踐的重要方面，也是本文的主要目的。
  15. According to the theoretical and practic al simulation of isothermal and non - isot hermal movement of water and salt ， and bo undary with mulch ， this paper introduces the status of studying advances in simul ation and coupled modeling on moisture m ovement ， heat transfer ， and salt transportin soils ， especially the soils with stra w mulch. based on summarizing above ， the f eatures of concerned models and desirable development are discussed briefly

    分別從等溫和非等溫水鹽動態模擬以及覆蓋邊界層三個方面，以秸稈覆蓋條件下土壤水、熱、鹽耦合運動規律模擬研究為重點，介紹了50年代以來土壤水熱鹽數學模擬的研究成果，並簡要論述了有關模型的特點及今後的發展方向。
  16. The results show the moment developing course of flow over flat wall and the evolvement of coherent structure, and also completely simulate all kinds of detail processes in development of boundary layer over flat wall, such as the generation and rise of low - speed stream, the extension and rupture of horse - hoof - shaped vortex and so on

    模擬結果給出了平壁流動的瞬態發展過程以及流動中擬序結構的發展演變過程，成功地模擬了平壁邊界層發展中的各種瞬態細節過程，如低速條帶的產生、上舉過程，馬蹄形渦的拉伸變形、破裂過程。
  17. The micro boundary layer experiment is carried out from 8mm to 14mm of a 15mm - long micro plane. re numbers vary from 35, 000 to 150, 000 and 4 different mach numbers are selected. some new characters are discovered, such as velocity curve factor is smaller than that of well developed normal scale turbulence boundary layer

    微尺度平板邊界層實驗選取從總長度為15mm的微平板前緣8mm到14mm之間的7個站位， 4種馬赫數， 13個不同雷諾數（從35000到150000 ）的實驗狀態，發現了該尺度下邊界層流動的一些新的特點，如形狀因子比常規大尺寸下充分發展湍流狀態的形狀因子更小等。
  18. With the process of urbanization, mankind activities, special ground constructions and changes of atmosphere layers affect the precipitation in related urban regions

    摘要城市化的發展過程中，城市下墊面的改變以及人類的生產生活共同作用使大氣邊界層的特性發生變化，從而影響了城市地區的降雨。
  19. In particular, a boundary - layer method is included to permit the specification of boundary - layer developments

    尤其是邊界層方法包括允許指定邊界層的發展
  20. The development and principle of satellite - borne synthetic aperture radar ( sar ) are presented. the phenomena of mabl that can be detected by sar are also preliminarily summarized

    同時介紹了衛星合成孔徑雷達（ sar ）的發展，工作原理，對海洋大氣邊界層的成像機制，並初步總結了sar觀測到的各種海洋大氣邊界層現象。
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