邊界層加速 的英文怎麼說

中文拼音 [biānjiècéngjiāsù]
邊界層加速 英文
boundary layer energization
  • 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. As the world economy goes to reginonalization, collectivization, the district economy is be coming more and more important in the world economy. the members of all the district economy organization make the inner - reginal trade, the movement of elements, the speed of economy increasing constantly because of the advantages of arens, resources and mutual supplements of economy structures, meantime, the members, who is not in the exclusivism andtrade protectionism, so china must make strong economic relationship between the countries ane areas nearby in order to develop the economy stably and taking eonomic cooperation and join the system of inter - reginal economy cooperation

    隨著世界經濟呈現出區域化、集團化的趨勢，區域經濟圈在世界經濟中所佔的地位也在逐步提高，各區域經濟組織成員由於地緣、資源優勢、經濟結構互補等原因，使得區域內部的貿易、要素流動、經濟增長速度不斷增加，同時，對于區域經濟組織外的非成員則不可避免地造成排外主義及貿易保護主義。所以，對中國而言，為促進經濟的持續穩定增長，就必須加強與周邊國家及地區之間的經濟往來，同時要進行全方位、多層次的區域性經濟合作，進而參與到國際區域經濟合作的體系中。
  2. ( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect

    （ 3 ）地形作用相當于增加了地面粗糙度，地形壓力梯度項與摩擦項地疊加，相當于使摩擦阻尼作用增大，地形強迫作用使下邊界層從上至下風速減小，風向向左偏轉。
  3. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則，金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ，老化后金屬間化合物呈層狀分佈，主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ，主要相為au4al和au5al2 ，同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋，但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  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. In chapter 5 we discuss the design of ieee754 standard fpu ( floating point unit ). processor and uart ( universal asynchronous receiver transmitter ), these cores are used in this dissertation, fpu is used for floating point complex fft processor, uart is used for fft processor " s peripheral and our test platform. in chapter 6 we discuss the design for testability, including atpg, bist and jtag method, discuss the different verification and simulation strategy in soc scale facing to different modules, build up the test platform which is used to test high performance application specified digital signal processing processor. in chapter 7 we summarize the research results and creative points, and point out the further work need to do in the future

    第五章提出了基於ieee754浮點標準的浮點運算處理器的設計和異步串列通信核的設一浙江大學博士學位論文計，提出了適合硬體實現的浮點乘除法、加減運算的結構，浮點運算處理器主要用於高速fft浮點處理功能，異步串列通信核主要用於pft處理器ip核的外圍擴展模塊以及本文所做的驗證測試平臺中的數據介面部分第六章提出了面向系統級晶元的可測試性設計包括了基於掃描測試atpg 、內建自測試bist 、邊界掃描測試jtag設計，在討論可測試性設計策略選擇的問題上，提出了針對不同模塊進行的分別測試策略，提出了層次化jtag測試方法和掃描總線法，提出了基於fpga
  6. 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。
  7. The detailed experimental investigation of the distribution and evolution of the mean velocity profile were executed. the signal of instantaneous velocity, the energy spectra of velocity and wave characteristics in the boundary layer have been analyzed

    對局部加熱的水平平板下表面邊界層內的時均速度的演化規律進行了詳細的測量，同時對速度脈動信號以及速度能譜進行了分析，並對邊界層內的波動特性進行了研究。
  8. On the contrary, the degree of saturation plays an important role on p - wave propagation, if incidence is 90 degree. the amplification factor on surface related to the response of bedrock is the biggest if the media is one - phase media, and the factor is the smallest if the media is unsaturated media ( sr > = 90 % )

    P波從底邊界垂直入射時，飽和度對地表土層的反應有顯著的影響。就地表土層位移和加速度相對于基巖的放大倍數來說，一般有這樣的規律：單相土的放大倍數最大，欠飽和土的放大倍數最小，飽和土的放大倍數居中。
  9. At the same time, the paper deduces the essential character of the model, gets the solution of model parameters and discusses the problems during engineering application of the analysis model. ( 3 ), one dimensional consolidation theory of impeded boundary by linear loading is deduced for layered soil, which expands the consolidation theory of impeded boundary. afterwards, the paper discusses the application of the model for settlement data of layered soil

    分析了沉降數據模型的基本性質，得出了模型參數的解法，探討了沉降數據分析模型在工程應用中存在的常見問題； （ 3 ）針對分層地基，推導了等速加荷條件下半透水邊界一維固結理論解，完善了半透水邊界固結理論，並討論了沉降數據分析模型在分層沉降數據分析中的應用問題； （ 4 ）結合工程實例，闡述了沉降數據分析模型的應用。
  10. The study shows that besides boundary conditions, the factors influencing the nonlinear consolidation behavior of soils are the compression index cc, the permeability index ck, the level and the rate of loading, and the thickness of soil, etc. in nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, us is greater than the one defined by effective stress, up, i. e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure

    研究表明，除邊界條件外，影響軟土地基一維非線性固結性狀的主要因素是壓縮指數c _ c 、滲透指數c _ k 、荷載大小與加荷速率、土層厚度等。對于非線性固結，特別是成層地基，按沉降定義的平均固結度u _ s大於按有效應力定義的平均固結度u _ p ，即沉降發展速率要快于超靜孔壓消散的速率。
  11. Refined grids were utilized in a large - eddy simulation model for obtaining high - resolution planetary boundary data and analyzing surface layer turbulence. simulation results showed that refined meshes reduced turbulent contributions of subgrid scales, sensitivity of simulation results to sgs parameters decreased, and features of the whole boundary layer were explicitly resolved better. results also revealed flux - profile relationship correctly in surface layer and a good agreement of turbulent velocity characters with observation. therefore, it concluded that the les method was able for simulation of surface layer flow and turbulence, and might be used for further applications

    採用加密網格的大渦模式獲取邊界層風溫場的高解析度模擬結果，並據以分析近地面層大氣的湍流特性。結果表明，較小的網格尺度使次網格湍流貢獻率大為降低，模式計算結果對次網格參數的依賴性減小，邊界層整體特徵得到更好的反映。同時，模擬出的近地面層通量廓線關系及湍流速度特徵與實際觀測結果吻合甚好，表明模式具有反映近地面層平均運動和湍流特性的能力。
  12. The effects of the two methods of " sucking - spouting " water and flow - deflection on the horizontal circulation were tested experimentally in a 50cm - width flume with a spur dike placed as a barrier

    可以把主流的一部分能量傳給邊界層內靠近壁面的流體質點，使之加速，從而達到防止邊界層分離的目的。
  13. As the strong normal share of the wind, turbulent fluctuation is strengthened and the sands are raised up from the surface ground the wind speed in the atmosphere of the low level has a horizontal share and this pushes the sands in the atmosphere aggregate, so the visibility descend

    近地面風速的垂直切變和地面熱通量的加大，都可使使邊界層湍流加強揚起地面沙塵。地面鋒區附近風場的強水平切變，鋒面垂直環流及鋒后斜壓轉換的作用，將地面捲起的沙塵帶到高空，爆發強沙塵暴。
  14. For these proposes, we chose electromagnetic boundary integral equation ( bie ) theory as the theoretical foundation, method of moments ( mom ) as numerical process and the multilevel fast multipole algorithm ( mlfma ) to accelerate the solving process and reduce memory requirement

    為此，我們選擇了電磁場邊界積分方程（ bie ）理論作為理論基礎，以矩量法（ mom ）作為數值求解方法，並使用多層快速多極演算法（ mlfma ）來加速求解過程和降低存儲需求。
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