theoretical coefficient 中文意思是什麼

theoretical coefficient 解釋
理論系數
  • 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
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. 2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations

    2將第二維里系數的理論值較精確地擬合為幾種簡單的表達式,並據此導出了立方型狀態方程中二次項溫度函數的新形式該式簡單、通用,不含偏心因子,具有真正的預測功能和堅實的理論基礎,原則上適用於所有vanderwaals型方程。
  2. But in the forepassed research, the people all abstracted the colloid in the water as the sphericity and explained it by the known theory of the colloid chemistry. moreover some people modified the result by the grain coefficient in the derivation of theory. but this assume had more difference on the observed phenomena in the experiment, so it was not perfect in theoretical speaking

    關于絮凝的理論基礎在國外研究得比較多,但在過去的研究中,人們大都是將水中的膠體顆粒抽象為球形,用已有的膠體化學理論去加以解釋,並在理論推導中引入顆粒系數加以修正,這與實際實驗所觀察到的現象有較大的差別,從理論上說,是很不完善的。
  3. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。
  4. 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。
  5. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論,導出了雙向空腹板的平衡微分方程,並通過理論計算和通用有限元程序ansys結果對比,驗證了其正確性;通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工程精度要求。
  6. A theoretical research of hall coefficient in the normal state of bi

    正常態霍爾系數的理論分析
  7. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈線性趨勢的資產組合選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  8. Abstract : on the basis of general principles of mechanics and critical state soil mechanics theory, a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics. the formula has a simple form and is only related to the effective angle of internal friction of soil. there is a slight difference between the calculated value of the formula and that of other formulae. the further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil

    文摘:在滿足一般力學原理和臨界狀態土力學理論的基礎上,本文將亞塑性理論與臨界狀態土力學相結合,推出了一個計算無粘性土靜止土壓力系數的理論公式.該公式形式簡單,僅與土的有效內摩擦角有關,其計算結果與常見的多個經驗公式的計算結果只有微小的差別.文中討論結果表明,該公式可用於確定無粘性土的靜止土壓力系數
  9. Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities

    將迭代物理光學( ipo )法推廣到非完純導體邊界目標的電磁散射特性分析中,建立了具有阻抗邊界的ipo理論模型,並應用這種推廣的ipo方法分析幾何結構簡單的電大尺寸介質塗敷腔體的電磁散射特性。
  10. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。
  11. This paper supplies the theoretical analysis and practical discussion on lateral force & friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & friction property on domestic equipment comprehensively

    該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數
  12. Abstract : this paper supplies the theoretical analysis and practical discussion on lateral force & amp; friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & amp; friction property on domestic equipment comprehensively

    文摘:該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數
  13. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析,認為在熱流量小於攜帶極限時,影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限,此次所實驗的三種工質,最佳充液量應當在8g ~ 14g ;傳輸因素主要決定普通熱管的毛細極限,而不是重力熱管傳熱能力的決定因素;三種工質中的最佳工質是丙酮;小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用,但在風速大於1m / s以後,風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。
  14. A theoretical research of hall coefficient in the normal state of bi2sr2cacu2o8

    Bi2sr2cacu2o8正常態霍爾系數的理論分析
  15. In the tidal estuary, the current is complex, and the flow is oscillatory. some experiential formulation has presented to calculate the vertical turbulent mixing coefficient. on the base of analysis of the hydrodynamic in the estuary, the theoretical equation, which describes the distribution of the space and time of vertical turbulent exchange coefficient, has developed, the equation has applied to the practice

    潮汐河口水流呈往復振蕩運動,本文在分析潮汐河口水動力特性基礎上,考慮了慣性力及重力等項的影響,通過理論推導得到潮汐河口垂向紊動交換系數的空間分佈及時間分佈的計算公式,以及垂向平均紊動交換系數的時間分佈的計算公式,並將其應用於潮汐河口的實際計算中。
  16. This paper presents a theoretical model for the coefficient of restitution calculation of point impact

    摘要建立了一種計算點接觸正碰撞恢復系數的理論模型。
  17. Gas thermal insulation coefficient under different transient flow in pressure pipeline system has been studied through physical experiments and theoretical analysis on thermodynamics

    本論文通過物理試驗與熱力學理論分析對不同瞬變過程中有壓輸水管道內氣體的多方指數n的變化規律進行了研究。
  18. Based on a cone - shaped compound heatshield, a series of research work has been done from the investigation of theoretical analyses of ablative and insulating principles and technical experiments. 1 based on the exploration of improving material performances, a feasible scheme of adding insulating functional layer is proposed ; 2 a simplified calculation method is proposed via establishing fea ( fmite element analysis ) and instantaneous heat transmission is calculated with the mentioned method ; 3 a practical engineering scheme is proposed through a series of experiments ; 4 the interface problems of the function layer are solved through co - curing method and successful samples are manufactured ; 5 in order to estimate properties, the heatshield was anatomized engineering applied possibility is explored on the analyses of performance evaluation by testing mechanical properties, coefficient of heat conductivity and doing dynamic ablative experiments, also, the comparison with that of the required materials is done

    本文以一錐形復合防熱套為研究對象,從燒蝕、隔熱機理的理論分析和工藝試驗兩方面,進行了一下研究工作: 1 、通過對提高材料及製品通過對提高材料及製品隔熱性能的多種途徑進行探討,提出了採用添加隔熱功能層,研究復合型大面積防熱套是理論有效、工藝可行的方案; 2 、通過建立有限元分析模型,對防熱套的燒蝕隔熱行為進行了理論分析,提出了簡化的隔熱計算方法,並用該方法對復合型防熱套的瞬態傳熱模型進行了分析計算; 3 、通過復合型防熱套的工藝探索試驗,提出了一種工程應用上切實可行的工藝方案。
  19. Based on the theoretical model, effects of influence of slenderness ratio, the changing steel ratio, strength of the steel and the concrete, load eccentricity ratio as well as pre - stress coefficient on the bearing capacity of the members considering influence of pre - stress in steel tube was discussed

    分析了長細比、截面含鋼率、鋼材屈服強度、混凝土強度、荷載偏心率和初應力系數等因素的影響; 4提出了考慮鋼管初應力影響時鋼管混凝土構件承載力實用驗算公式。
  20. Theoretical models were used to predict the effects of microcrack - density to effective tensile modulus of cf / ep laminates for long - term duration exposure for it difficult to get from tests. a uniaxial zero - expansion model was established based on the analysis of thermal stress and the coefficient of thermal expansion of the laminates

    由於受到試驗周期的限制,對于長期暴露于空間環境中的層合板材料,其有效拉伸模量很難用試驗方法直接測量,本文採用理論模型進行分析。
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