model and size 中文意思是什麼

model and size 解釋
型號規格
  • 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...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • size : n 1 大小,尺寸規模身材。2 (鞋帽等的)尺碼,號;(紙張的)開。3 巨大,大量;相當大的分量。4 〈口...
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  2. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開:用石灰改良膨脹土的機理;通過室內試驗確定摻灰的技術指標;在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗,即鈣離子水試驗,由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性;用數值方法對路堤使用期的濕度場進行模擬,並與路堤的強度?變形的計算域耦合,以檢驗土性改良的效果,從而探索一種描述改良膨脹土路堤運行工況的數值方法;用現有最常用的且費用最低的施工機具,對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  3. For the hyper accuracy interpolation technique, which resolves the accuracy limitation of pixel physical size, derives out the star spot interpolation accuracy limitation based on the star spot mathematical model and photoelectric statistics

    針對克服像元尺寸對測量精度限制的超精度內插細分技術,在建立了星點光斑數學模型的基礎上,利用光電統計理論,推導了星點光斑內插細分精度的極限公式。
  4. At last, the effect of the steel yield strenth, the yield - to - ultimate stress ratio, the shape and size of the access hole is researched. in conclusion, the finite - elenent model and the program adoped in this paper can well similate the response of beam - to - cloumn connections uder cyclic load

    本文所建立的模型及採用的程序能夠很好的模擬、研究在循環荷載作用下剛性樑柱連接的反應,為進一步研究剛性鋼框架樑柱連接的抗震性能打下了基礎。
  5. In fact there are few people are familiar with fem and in generic department usually only uses fem to analyse several aptotic problems. so when we analyse a problem only need to change the size of model and magnitude of force. we can use existing fem software and program language to build new system

    在實際的有限元軟體使用過程中,對具體行業而言,分析的問題都集中在具體的一部分問題,在對某一具體問題的分析中,需要用戶進行調整的參數往往是比較固定的,所以對具體問題的分析模塊進行參數化資源共享對實際應用中提高有限元軟體的使用效率是非常有效的。
  6. Essentially, the culture conflict is from the culture difference between the two organizations, and other contingency variables will also bring influence. the main factors include the model of culture integration, culture fit of both sides, tolerance of multiculture and size of m & a

    並購后的文化沖突本質上源於企業文化的差異,但也取決於一些非文化的因素,主要權變因素包括文化整合的模式、並購后雙方對整合模式的認同度、並購雙方組織文化適應性、多文化寬容度和並購的規模等。
  7. We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix

    首先分析了裝配體的模型問題,提出了裝配體的數學模型及樹形式表示的裝配體表示模型,模型具有數據量小、操作簡單的優點:文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了定義,引入了裝配約柬概念,從而提高了裝配設計效率;在此基礎上,文章討論了裝配約束的求解方法,提出了newton rapson迭代法的改進演算法,使得系統能更好地處理jacobi矩陣的奇異和病態的情形。
  8. The paper studied the growth of endangered plant changium smyrnioides wolff and its comparison plant anthriscus sylvestri ( l. ) hoffm and chuanminshen violacewn in different soil water from physioecology and analyzed the effect resulted of soil water and the difference of model and size of plasticity of three species

    本文從生理生態學的角度研究了瀕危植物明黨參及對照植物峨參和川明參在不同土壤水分條件下的生長,探討水分對三物種生長的影響及植物的可塑性響應方式。
  9. Based on analyzing the theoretical model of ultrasonic attenuation, the formula was integrated into the ultrasonic attenuation model, and the relation of ultrasonic attenuation to pulp density and particle size was derived

    在分析超聲衰減基本理論模型的基礎上,將不同粒徑的篩下累積含量集成到超聲波衰減模型中,推導出超聲波衰減與礦漿濃度、粒度之間的關系模型。
  10. First, introduce the reasons and character of current banking m & a, then summarized the former studies of the three ways of m & a to efficiency gaining : size versus size economy, m & a versus banks efficiency, and m & a versus shareholders wealth. then introduce the research approaches of m & a efficiency gaining, especially the approaches of m & a versus banks efficiency, such as parametric frontier approaches and non - parametric frontier approaches. in the following, through roe model and dea model to study the relations between size and efficiency, finding : middle size banks efficiency is higher, larger banks have n ' t scale economy, small banks have low em, and through directly analyzing m & a efficiency of four commercial banking m & a case in china, finding : the past - merged efficiency of shanghai pudong development bank has been improved, and others have been deduced, but after three years the efficiency increased little by little

    首先,分析了當前銀行並購的主要原因、特徵以及我國銀行並購的現狀與特點;接著對銀行效率水平的概念進行分析,綜述了國外對銀行並購與效率獲利的三方面的研究(考察銀行的規模與效率這種間接方式、比較並購行並購前後的效率以及並購行與非並購行的效率和考察上市銀行並購前後股東財富的變化這兩種直接方式)的有關文獻;再次對銀行並購與銀行效率獲利的分析方法進行了介紹,其中詳細地研究了前沿分析法:參數分析法和非參數分析法,並指出了這些方法的特點;然後運用財務比率分析法和dea方法對我國商業銀行規模與效率從間接角度對銀行並購產生的效率獲利進行了實證研究,結果發現:中等規模的商業銀行的效率最佳,而小規模的銀行的em值較低,同時大規模的商業銀行的規模無效;同時利用我國已發生的四個銀行並購案從直接的角度對我國商業銀行並購的效率獲利進行分析,結果發現:除上海埔東發展銀行在並購後效率提高,其他三家銀行並購后的效率都有所下降,但並購后第三年效率又逐漸回升。
  11. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中,壩型的選取顯得尤為重要,特別對于壩基有深厚覆蓋層的堆石壩,心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位,設計方案是否安全、科學和合理,對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果,為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考;在吸收和歸納了國內外堆石壩的設計研究成果的基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案,分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析;對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究;對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究,比較全面的了解了各方案壩體,尤其是防滲體的應力和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。
  12. Firstly, samples are determined by experimental design methods and size optimization of the structures corresponding to the samples is executed with nastran. secondly, an approximation model ( surrogate model ) based on the samples is derived using kriging method. thirdly, the optimal locations of structural elements are found by genetic algorithms ( ga ) because genetic algorithms can find global optimal solutions of surrogate model easily

    基本思路是利用試驗設計法選取樣本點,並對樣本點對應的結構進行尺寸優化,然後根據樣本點和優化結果建立代理模型,再利用遺傳演算法求出設計變量最優解,進而得到結構最優解。
  13. The effect of polarons on the luminescence properties of quantum dots ( qds ) is an important problem in qd research and applications. we review the recent progress in the concept, possibility and size dependent energy variance of confined polarons in various qds. we suggest that the formation of polarons is related to intrinsic and / or extrinsic phonons and that the idea of confined polarons that we recently proposed can be used to explain the specific spectrscopic characteristics of oxidized nanosilicon systems, even single nanosilicon structures. this model may help to reveal the luminescence mechanism of porous silicon

    量子點中的極化子效應是當前量子點研究中的重要問題,其特徵急需了解.文章在綜述了量子點中限域極化子的概念、可能性和能量隨尺寸的變化規律之後,提出了界面限域極化子模型,該模型首次指明本徵聲子和外來聲子都可能對界面限域極化子的形成有貢獻.作者利用此模型分析了多孔硅體系中的光譜特徵,證實了表面覆有氧化層的納米硅的行為十分符合量子限域極化子的特徵.這一極化子模型與單個納米硅結構的發光譜十分一致,此結果對最終揭示多孔硅發光機理有重要意義
  14. Finally, for the definite mechanism and indefinite size of industrial robots ' executor as well as the size ^ optimization goal, the mathematic model is set up to optimize the executor ' size with using complex optimization method. next, for the optimized executor, the desired trajectory and planning goal, the kinematics model and proper referent and motive coordinates systems are set up. by making use of the result of the previous motion analysis, genetic algorithm is applied to the trajectory planning of executor

    最後,對于結構給定而構件尺度未定的工業機器人執行機構,先根據機構尺度優化目標,建立數學模型、用復合形法進行構件尺度優化;再根據給定的期望軌跡和規劃目標,建立數學模型,利用復指數變換法對執行機構進行運動分析的結果,採用進化演算法對工業機器人進行軌跡規劃。
  15. Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles. experiments testify microbubble drag reduction for turbulent boundary layer, as well as bubble size, main flow velocity, etc. affecting the reduction ; with proper flow field model, turbulent model and difference scheme, numerical methods simulate the effect of boundary layer and bubble numbers on dray reduction

    理論分析提出微氣泡降阻機理在於其引起湍流邊界層結構的變化;實驗證明了微氣泡對湍流邊界層的降阻作用以及氣泡尺度、主流速度等對降阻作用的影響;數值方法利用適當的流場模型、湍流模型和差分格式,模擬邊界層和氣泡數等對降阻的影響。
  16. We have combined qualitative analysis and quantitative analysis to foresee the market size. firstly, we found the relative factors influencing the truck market through qualitative analysis and picked up several main factors by quantitative analysis, such as highway mileage, social fixed assets investment capital and consumption expenditure, etc. secondly, we set up four models by using those factors. the four models are a time series model, a multiple regression model, a factor regression model and an integrated model

    首先,通過定性分析找到了影響我國載貨汽車保有量的相關因素,接著又進一步進行定量的分析,從而確定了公路里程數、基本建設固定資產投資額和我國社會消費支出額等為主要影響因素;然後,利用前面的分析結果構造了三個模型,即時間序列模型、多元回歸模型和因子回歸模型,並綜合幾個模型的優點建立了一個綜合的預測模型,這一部分也是全文的重點部分;最後,分析比較了各模型的優劣並給出了每個模型的適用情況。
  17. On the basis of the analysis abovementioned, the quantitative relation between the compositional distribution of sediment body and initial experiment parameters including powder characteristics ( density, size and size distribution etc. ) and settling parameters ( density and viscosity of suspension, heights of suspension and liquid, etc. ) have been established corresponding to the physical model selected

    在此基礎上,結合選用的顆粒共沉降的物理模型,通過理論推導,建立了粉末特性(粉末的密度、粒度以及粒度分佈等)和沉降參量(懸浮液的密度、粘度和高度以及清液的高度等)同沉積體組分分佈之間的定量關系。
  18. Off the south coast of liaodong peninsula, the net transport patterns from the model and from grain size trend analysis ( cheng, 2000 ) differ

    在遼東半島南岸,沉積物凈輸運圖與粒徑趨勢分析的結果不相符合。
  19. A sampling process is designed to implement the computation of the observation likelihood, in which a proposed relation model between head and face of their position and size is used so as to achieve improved accuracy and efficiency in the fusion

    其中,利用檢測器提供的姿態信息對頭部和人臉的位置大小關系提出了一種模型,提高了觀測模型融合的準確性和高效性。
  20. According to the initiation research at home and abroad, the improvement in ignition and growth model and the application of the model in ls - nyna are discussed, which provides a good basis for further research about the different effects on the shock sensitivity by particle size of different explosive in numerical simulation

    對點火增長模型中的不同參數進行調整,發現對沖擊波起爆感度的影響,成長項比起爆項的影響大。有關研究方法可應用於起爆、傳爆序列的設計和模擬模擬研究,為許多相關課題的研究提供幫助。
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