scale experimental model 中文意思是什麼

scale experimental model 解釋
數量實驗模式
  • scale : n 1 (尺、秤等上刻劃的)分度,度數,標,標度,刻度;尺寸;尺,尺度。2 【音樂】(標度)音階;音列...
  • experimental : adj 實驗(上)的;試驗性的;經驗上的。 experimental parthenogenesis 人工單性生殖,人工孤雌生殖。 ...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits

    文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法,為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明,文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此,在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力
  2. A two dimension small scale force sensor is developed which is used in the adhesion and friction tests, the sensor works well in the experiments. elastic modulus of nine different polyester / silicon rubber mixtures is tested, the results show that mixtures ’ elastic modulus increases with the aggrandizing of mass percentage of polyester. mixtures ’ adhesion abilitiy and especially mixture a ’ s adhesion - friction relationship are tested. these results provide experimental evidences for the fabricating of synthetic gecko hairs. lastly, a primary analysis of nanoscale hair modle is done, some hair preparation method is introduced, and the synthetic gecko foot hair fabricated by model moulding method is tested

    測試九種不同配比聚氨酯/硅橡膠合成材料的彈性模量值,得出合成材料的彈性模量隨聚氨酯質量百分比增加而增大的結論;對九種合成試樣進行了粘著性能測試,對實驗結果進行比較分析和討論;對粘著力最大的a試樣進行粘著力與摩擦力關系的實驗,得出粘著狀態下a試樣摩擦力與粘著力成線性關系的結論。
  3. Calculation results fit experimental data well. at last, in order to further discover the matching between the two systems of small - scale cold storage, phoenics - cfd general software is applied in the study on 3 - d distributions of the airflow and temperature fields in the chamber of the small - scale cold storage. buoyancy model in the simulation are considered and the results are in agreement with the experimental data

    最後,為了進一步了解小型冷庫兩個組成系統間的匹配特性,用phoenics數值計算專用軟體對冷庫內三維流場和溫度場分佈特性作了計算,並在計算中考慮浮升力的影響,計算結果與特徵點的實驗結果基本一致。
  4. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    ( 2 )採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗,通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  5. A small scale geogrid reinforced earth experimental model is designed, and its nonlinear seismic behavior under seismic excitation is analysed by seismic finite element analysis method

    根據設計的塑料土工格柵加筋土動力特性試驗的模型,採用有限元時程分析方法分析了地震作用下模型加筋土的非線性動力行為特性。
  6. Made up of two - storied lower huge platforms and three - storied upper building structures in the scale of 1 / 4 from the prototype, the model is tested under cyclic loading, and thus conducting the experimental study of the structure ' s capacity, stiffness, ductility, hysteresis capacity, yielding mechanism and failure phenomenon

    通過對包括有大平臺兩層結構和上部三層結構的四分之一縮尺模型,在低周反復荷載作用下的試驗研究,重點分析了大平臺上部結構和下部結構的承載力、剛度、延性、滯回特性、屈服機制和破壞特徵等。
  7. Abstract : an efficient parallel global router using random optimization that is independent of net ordering is roposed. parallel approaches are described and strategies guaranteeing the routing quality are discussed. the wire length model is implemented on multiprocessor, which enables the algorithm to approach feasibility of large - scale problems. timing - driven model on multiprocessor and wire length model on distributed processors are also presented. the parallel algorithm greatly reduces the run - time of routing. the experimental results show good speedups with no degradation of the routing quality

    文摘:設計實現了一個高效的線長模式下基於多處理機的并行總體布線器.通過對非時延驅動模式下串、并行演算法的總運行時間和求解時間的比較,表明該并行演算法能夠在保證求解質量無明顯變化的前提下大大加快總體布線演算法的求解速度.同時,也提出了基於分散式體系結構的并行總體布線演算法
  8. A 1 / 7 - scale model of three - bay, three - span frame - bent r. c. structure is the first and the largest size in the same testing field in china by now. following studies are chiefly conducted in this chapter : the mechanism behavior of the structure under horizontal earthquake load, including the characteristics of seismic force, the deformed performance, yielding sequence, energy dissipation capacity etc. ; the changing rule of the dynamic characteristics and the stiff degrading in different experimental stages ; the location of the weak stories and the seismic capacity of the structure

    在試驗中主要研究了以下內容:在水平力作用下框排架結構的整體變形能力以及各層的層間變形的大小;框排架結構在不同階段的動力變化規律;框排架柱的變形和承載能力;錯層對結構性能的影響、模型結構裂縫開展過程及塑性鉸形成的先後順序、不同階段該結構的剛度退化規律及滯回耗能特性等。
  9. The experimental method of the model test with 1 : 6 scale based on the work mechanism of bearing of steel y - pipe strengthened inside with crescent rib in combination with surrounding rock mass simulated by composite materials is adopted and the regularity of their participant capacity to bear inner water pressure is analyzed in this paper

    摘要本文結合實際工程採用幾何比尺為1 : 6的物理模型試驗方法,用不同材料分層組合模擬圍巖,對水電站內加強月牙肋鋼岔管與圍巖聯合承載的工作機理、圍巖分擔內水壓力的規律進行分析。
  10. The process and mechanisms of slipping, exfoliation to layered graphite and compounding with polypropylene ( pp ) on nano - scale were systemically studied. the effects of shearing force field offered by pan - milling and confined environment of the exfoliated graphite on the microstructure of polypropylene, the electrical and thermal conductivities of the nanocomposites were also investigated. based on the experimental results, a modified electrical conductive model as well as thermal conductive model for polymer - based composites was proposed

    利用層狀無機物(如石墨)的弱層間結構和聚合物的粘彈性特點,在磨盤碾磨剪切力場作用下,通過摩擦和拉伸形變錯位、擠壓嵌合、拉伸滑移、剪切剝離與粉碎和混合分散等過程,實現層狀無機物層間剝離和與聚合物的納米復合。
  11. Based on the researches at home and abroad, aiming at the application of dynamic consolidation in compacting loess embankment, this paper makes assessments and analyses of the concerned factors and provides the laws of dynamic consolidation dealing with loess embankment according to the large - scale model test indoor ; combined with tonghuang highway construction, field tests of dynamic consolidation dealing with loess embankment is carried out in the representative loess - embankment experimental sites and some regularities of loess before and after handled by dynamic consolidation is put forward by physico - dynamic property experiments and electron - analysis ; at last, the author makes a systematic analysis of information related and presents the applicable condition, compacting technique and checking method which applies to dynamic consolidation dealing with loess embankment on the basis of field tests and model experiments indoor

    本文在國內外資料調研基礎上,針對強夯法在黃土路堤壓實施工中的應用,對強夯處理黃土路堤的有關因素進行了評價分析,並通過室內大比尺模型試驗得出強夯壓實黃土路堤的規律;結合銅黃公路建設,選擇典型黃土路堤試驗段,進行了強夯壓實黃土路堤的各項現場試驗,通過物理力學性質試驗和電鏡分析得出強夯前後黃土料壓實體的有關規律;最後,在室內外各項試驗基礎上,對有關資料進行了匯總分析評價,提出了強夯處理黃土路堤的適用條件、施工工藝及檢測方法。
  12. On the other hand, an experimental small - scale model, which is 1 : 8 - scaling model of the polyu / ustc atrium, was established. the effects of some factors on the smoke layer interface of the smoke exhaust system in atria are studied by using the orthogonal experiments

    論文以香港理工大學和中國科技大學合建的大空間火災實驗廳為原型,按1 : 8的相似比例,搭建了中庭火災相似模型實驗臺,採用兩水平正交實驗研究了影響機械排煙系統煙氣層高度的幾個因素。
  13. But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed

    本文重點對灰度圖象數字水印技術進行研究,主要工作如下: 1 )鑒于目前數字水印的理論研究比較薄弱的現狀,本文通過分析數字水印的特點,建立了一個數字水印的數學模型,為進一步研究數字水印打下了基礎; 2 )根據以上建立的模型,通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法,並對一些數字水印演算法進行了分析; 3 )為增強數字水印抵抗幾何攻擊的能力,研究了受幾何攻擊的圖象的復原問題,並給出了一個計算圖象幾何變換參數的方法; 4 )通過分析圖象灰度插值演算法和haar小波變換的特點,結合hvs的掩蔽效應,設計了一個公開的有意義數字水印演算法,實驗結果表明本演算法具有較強的穩健性; 5 )目前許多水印演算法都是通過在空域或頻域修改象素值的方法嵌入水印的,這種方法面臨著透明性和穩健性的矛盾,為解決這個矛盾,本文提出以圖象的某些穩定的數字特徵為水印的觀點,並結合hermite矩陣的特點設計了相應的水印演算法,實驗結果表明該演算法具有較好的穩健性。
  14. Small - scale model experimental study on lightning shielding performance of 500 kv transmission lines in plain area

    輸電線路雷電屏蔽性能的模型試驗研究
  15. We successfully apply the two - fluid model ( tem ) and kinetic theory of granular flow studying the two dimensional dense gas - solid flow characteristics in the large scale circulating fluidized beds and the cold experimental system with piv. the results of simulation are in accord with others " simulation and experimental results. in the end, we make the three dimensional simulation for the cold cfb riser, which is closer to the factual operation and this experimental results

    在對高濃度氣固兩相流的研究中,根據fluent軟體現有的條件和解決工程實際問題的需要,採用單氣固相雙流體歐拉模型,採用模擬紊流固粒流中普遍接受的方法「顆粒流的運動理論( kinetictheoryofgranularflow ) 」 ,對大尺度循環流化床進行了二維數值模擬,與他人數值模擬結果和實驗結果進行了對比,檢驗模型的準確性。
  16. This will provide concrete reference for parameters values which mainly depend on the experiences. according to the selected bp model and related water table depth records and other information, the annual and monthly mean water table depth trends in the future planning year ( 2005, 2010 ) are forecasted on condition that water saving reconstruction projects are accomplished in the larger scale experimental zone ( jiefangzha ) of hetao irrigation district

    在此基礎上根據黃河河套灌區多年的水文、氣象和地下水信息,對一個大尺度區域的多年年均地下水埋深變化進行了bp模型的模擬與檢驗,預測了灌區節水工程實施后未來規劃水平年( 2005 , 2010年)年平均、月平均地下水位下降的動態。
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