theoretical size 中文意思是什麼

theoretical size 解釋
理論尺寸
  • theoretical : adj. 1. 理論（上）的，學理上的 （opp. applied）。2. 假設（性）的；純理論的，推理的。3. 空論的 （opp. practical）。adv. -ly
  • 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. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  2. Firstly, through the theoretical analysis of the flexible - oared wind generator, mechanics model of this wind generator is created. then the formula about absorbing power of the wind generator is deduced, which is the foundation of base size being determined while different grades of the wind generators are designed

    首先，通過對柔性槳風力發電機原理分析，建立了該風力發電機的力學模型，並以這一力學模型為基礎，推導出了該風力發電機的吸收功率公式，以此作為設計不同功率柔性槳風力發電機時，確定其基本尺寸的依據。
  3. Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data

    另外，本文通過對造粒技術、燒結過程的大員文獻調研，結合本研究的具體情況，通過控制進料速率呈連續性變化，基本實現了燒結前球坯直徑的線性生長變化，從而更有利於實際生產中的產品粒度控制以及做到節約用料，並在試驗操作中以離散型進料速率變化來加以比較驗證。
  4. We rounded analysis that ring stator ’ size parameter how to affect ring stator ’ characteristic frequency by use the software for numeric analysis, and afford theoretical foundation for the optimum design of ultrasonic motor ’ structural parameter

    本文還利用分析軟體，全面地分析了定子圓環各個尺寸參數對特徵頻率的影響，為超聲波電機結構參數的優化設計提供了理論依據。
  5. What are the most important factors that affect the size of debts issuing ? these problems arouse attentions in the theoretical field, but there are n ' t conclusions any thus far. after analyzing the burden of national debts and finding the factors that affect the reasonable limit of the national debts " quantity, this dissertation build quantity models for it, and make predictions for reference

    本文即從這樣的現實出發，在深入分析了我國國債債務負擔及其影響因素的基礎上，完善了多馬國債模型，從國債發行外生給定和內生給定兩種情況下，建立了適合於我國國情的國債合理數量界限模型，並進行了實證分析，給出了我國國債2004年至2015年的國債本息稅率預測值。
  6. The results also indicate that by taking particle size effect into consideration, the theoretical values of optical constants of the cermet films are more consistent with experimental values. at last we discuss the discrepancy between the theoretical results and the experimental results, and the factors that cause the discrepancy are analyzed as well

    但是我們又發現對納米金屬陶瓷薄膜材料的光學常數的計算，考慮尺寸效應和極化因子修正後的值與實驗結果之間仍存在一定的差異，文章最後我們分析討論了產生這些差異的原因。
  7. 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。
  8. The theoretical results are in good agreement with the experimental ones qualitatively. however, as to y - fe _ ( 2 ) o _ ( 3 ) nanocrystallites, the lattice constant increases with the decreasing of the grain size. it is opposite to the result of ionic crystallites

    然而，丫一f勺偽納米微粒的晶格常數隨著晶粒線度的減小而增大，與我們實驗和理論中對離子晶體所討論的結果恰好相反。
  9. It has been derived the design equation, the engaging condition and the formula of overriding friction torque. this has laid an important theoretical foundation for further reliability optimum design. then we can make the clutch have small size, light weight, less friction, flexibility of overrunning in opposite direction and smooth joint at high speed

    本文吸收了機械操縱式超越彈簧離合器的優點，在結構上進行了新的設計，在理論研究上進行了新的探索，推導出了設計方程、自激接合條件和超越摩擦力矩計算式，為進一步採用可靠性優化設計奠定了重要的理論基礎，使設計的離合器尺寸小、重量輕、摩擦損失小，反向超越靈活，在高速下接合平穩，並通過實驗驗證，說明其理論分析是正確的。
  10. Theoretical size of map

    理論圖幅
  11. As an application research for the electrical control techniques applied in large - size container cranes, this article has studied the involved theoretical issues and given deep investigations with the support of practical examples to explore the feasibility of these theories which may be used in engineering field

    作為電氣控制技術在大型集裝箱起重機中的應用研究項目，本文對所涉及的理論問題進行了深入討論，並給出了一些實際應用的實例，用以探索這些理論在工程實踐中應用的可行性。
  12. For this reason, this article tries to explore, in the aspects of theoretical research and practical application of large - size container crane electrical control technology, how to adopt international advanced autocontrol technology on our current industry level to further decrease the technology gap between developed country and us, and to breed more key techniques which have their own intellectual properties

    為此，本文試圖從大型集裝箱起重機電氣控制技術的理論研究和應用實踐兩個方面，探索如何在我國現有的工業基礎之上，採用具有國際先進水平的自動控制技術，進一步縮小與發達國家的差距，積極培育更多具有自主知識產權的核心技術。
  13. What we do at this aspect are : firstly, we describe the permutation symmetry of the structure of some special networks and the corresponding attractor sets with some geometric graphs in euclidean space, which are called attractors graph and geometrized structure graph of the networks respectively ; the geometrizing conditions are also given ; we study the dynamical behavior of the networks using the geometrized structure graph and attractors graph of the network ; moreover, we propose an approach to construct a big - size network with some small - size network with symmetry by the method of direct - sum, direct - produce and semidirect - produce. we also study the dynamical properties " relation between the big - size network and the small - size networks. all those results will provide some theoretical basis for designing a special large - scale network

    本文在這方面所做的工作如下：首次將一些特殊網路的結構和吸引子集的置換對稱性用三維歐氏空間中的一些幾何圖來表示，分別稱之為幾何結構圖和吸引子圖；給出了網路對稱性的幾何化條州即相應的對稱性群為可遷群） ：並惜助網路的幾何結構圖和吸弓吁圖分析網路的動力學性質；此外，我們提出了用簡單的具有一定對稱性的小網路按照群的直和、半直積和直積的方式組合成較大的網路的方法，探討了這些小網路和所組成的大網路的一些動力學性質的關系，如穩定態的個數、各穩定態的回憶性質等，為較大網路的設計提供一些理論依據。
  14. Compared with the conventional finite - difference method on the fixed grid - size rectangular grids, the new method can be more cost - effective in complex models. numerical tests for both seismic modeling and reverse - time migration are performed on various theoretical models and a physical experiment

    用該剖分方法得到的網格在各速度層內的空間步長是不同的，而全區域上的時間步長卻近於恆定，因此在復雜模型上，本文方法的計算效率要高於傳統的矩形網格差分方法。
  15. The variable intercept fixed effect panel data model set up in this paper based on the financial data between 1997 and 2004 of 34 listed companies in electric power industry has proved that the theoretical analysis of this paper is well founded in that the maturity structure of debt financing has remarkable positive relation with enterprise value ; and that the size of enterprises, the ratio of negotiable share and the shareholding ratio of the first shareholder have significant influence on enterprise value

    本文利用34家電力行業上市公司1997 ~ 2004年的財務數據，通過建立變截距固定效應面板模型，證明企業價值與債權融資期限結構具有顯著的正相關關系，這一結果支持了本文的理論分析；實證結果還表明企業規模、流通股比例、第一大股東持股比例對企業價值具有顯著的影響。
  16. Theoretical analysis and validation on structure size of rolling screw roller

    卷制螺旋滾子結構尺寸的理論分析及驗證
  17. Furthermore, according to results, the resistance of steel can reflect the damage exactly. ( 2 ) depending on the analysis of flaw size of the experimental samples, a theoretical model has been reached. the model is more close to the experiment result

    在觀察得到的試樣表面裂紋的萌生和擴展規律的基礎上，通過對損傷后的實驗數據進行擬合，得到了鋼的疲勞損傷累積的一般理論模型，該模型更好的反映了鋼在疲勞循環的中早期的破壞，在疲勞測量精度上有了較好的改進。
  18. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素，以便充分掌握影響孔度大小、分佈、形態的因素，使孔度調控范圍得以拓寬，使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發，分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程，它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程，可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料，其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜，通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定，不同厚度的多孔膜形貌研究，不同x （聚合物-溶劑相互作用參數）體系所制備的多孔膜形貌等需深人研究
  19. 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。
  20. Abstract : in view of the quantity examination of weld defect by ultrasonic, on the basis of theoretical analysis and test, the cause, composition and contriling method of error of crack defect size h have been analyzed systematically, a controlling and statistical method of ultrasolic examination error has been put forward. this method is simple and suitable, and has been verified by test

    文摘:針對焊縫缺陷超聲波定量檢測，從理論分析與實驗出發，系統分析了裂紋類缺陷自身高度尺寸h的檢測誤差的物理成因、組成及誤差控制方法，提出了一套實用簡潔並經實驗證實可行的超聲波檢測誤差控制及統計方法。
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