dispersion formula 中文意思是什麼

dispersion formula 解釋
色散公式
  • dispersion : n 1 分散，散開；散布，傳播；離散。2 【物理學】彌散，色散；【化學】分散作用；被分散物；分散相，分...
  • formula : n （pl formulas lae ）1 公式，程式；定則，方案。2 【醫學】配方，處方。3 （政治口號等的）提法，表...
  1. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數，在給定兩種球狀星團系統的初始質量譜（冪律的和對數高斯的）和兩種球狀星團系統的初始速度分佈函數（愛丁頓速度分佈函數和常數的速度彌散度）條件下，我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  2. Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation

    針對以上問題本文做了以下一些工作並得到若干結論： （ 1 ）提出了「復合雙層地基」的概念，並通過工程實例證明此概念的提出有其合理性和必要性； （ 2 ）用彈性地基梁理論證實了復合雙層地基確有應力擴散效應，且擴散效應隨上覆硬層厚度、剛度的增加而增大，隨下臥層基床系數的增大而減小； （ 3 ）建立了非線彈性、各向異性有限元模型，並以此為基礎分析了復合雙層地基的應力擴散效應，得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論； （ 4 ）推導了可用於常規計算的復合雙層地基應力擴散系數公式，並代入工程實例進行了驗證。
  3. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  4. The next this text is based on the appearance theories, according to the characteristics that the temperature dispersion of super thick mass concrete planceer of high - rise building primarily is an even difference in temperature and an even constringency, suppose the level shears are line with the displacement, adopting a big physical volume concrete of planceer in flexibility foundation for plank computing model, from theoretically deducing the difference in temperature of mass concrete contracting should basic formula of dint, and analysis the crack rule and the influence factor of mass concrete temperature contract, and bringing up the theory calculation method about temperature stress of mass concrete and the biggest whole method that sprinkle the length, at the same time according to basic formula of the temperature stress of mass concrete and the concrete construction experience, bringing five technique measures to prevent the temperature crack of mass concrete

    其次本文以唯象理論為基礎，根據高層建築超厚底板大體積混凝土承受的溫差主要是均勻溫差和均勻收縮的特點，闡述了大體積混凝土溫度應力理論計算的簡化方法和最大整澆長度的計算方法，同時根據大體積混凝土溫度收縮應力基本公式和大體積混凝土結構施工經驗，提出了防止大體積混凝土溫度裂縫的五項技術措施。最後本文以廈門郵電大廈3 . 5m超厚底板施工為實例，從大體積混凝土溫度應力計算、混凝土保溫材料厚度計算、混凝土配合比的確定，鋼筋工程、模板工程、混凝土的泵送和澆築以及大體積混凝土內部溫度的監測和後期養護等方面進行了理論應用。
  5. According to the ventilation and heat dispersion of the motor, this paper takes two parameters that are closely related with the heating of the motor to work out a practical simplified calculative formula, and further gets it verified with two examples under continuous and intermittent duty respectively

    摘要根據電機的通風散熱條件，用與電機發熱密切有關的兩個參數給出實用的簡化計算公式，並用此公式計算了電機連續和斷續負載溫升的兩個實例。
  6. The complete analytical form and analysis on angular dispersion formula of two - dimensional grating

    二維平面光柵角色散公式的完整解析形式及分析
  7. Abstract : using the ray - tracing method, we demonstrate that a grating - telescope stretcher is the conjugation of a grating pair compressor. we present an analytical formula for calculating the phase dispersions of the grating - telescope stretcher. the computer simulation with the formula demonstrates that there exists an optimal material dispersion for an amplification system, with which we can achieve the largest dispersion - free bandwidth

    文摘:用光線追跡法論證了光柵-球面鏡系統與普通的光柵對系統是一對相位共軛元件，並提出了光柵-球面鏡系統色散的解析計算公式，以及對一個典型的放大系統做了模擬.模擬結果表明，對於一個放大系統，存在一個最佳的材料色散，用它可以獲得最大的無色散帶寬
  8. So simply do we express the dispersion effect by deflection of space - time and get the same formula as compton s

    將光子間的碰撞用理論公式描述這一過程，並得到了上述公式
  9. Energy dispersion formula

    能量分散公式
  10. Then, according to waveguide theory, planar waveguide is analyzed. the main parameters, such as spread constant, decay coefficient, cut - off wavelength and so on, are deduced from dispersion formula of planar waveguide. the distributions of electromagnetic wave in the planar waveguide are obtained also

    其次根據波導理論分析了平面波導，由平面波導的色散方程推導出了導模的傳播常數、衰減系數、截止波長等特徵參數以及波導中光波電磁場的分佈。
  11. Based on previous study of pollutant dispersion in vertical direction, an empirical formula for determining the mean value of turbulence viscosity coefficient in numerical simulation of tides in vertical direction was worked out and applied to 3 - d numerical simulation of tides for changxing island reach in yangtze river estuary

    摘要在已有污染物垂向擴散過程研究的基礎上，提出了確定潮流數值模擬中垂向紊動黏性系數的垂線平均值的經驗方法，並將此方法應用到長江口長興島段的潮流三維數值模擬中。
  12. This thesis is intended to study and analyze the advantages and disadvantages of the recent chemical vapor dispersion simulation method, which includes experience formula, dispersion models and numerical simulation. the conclusion is that it is more suitable to adopt the dispersion models in the accident emergency response

    本文研究和分析了現有的化學品蒸氣擴散模擬方法（包括經驗公式數據法、擴散模式法和數值計算方法）的優缺點，認為在事故應急領域中應用擴散模式法較為適宜。
  13. Base on the model of grating - pair compressor, the formula of angular dispersion caused by alignment errors was derived

    摘要根據失調拼接光柵對壓縮系統模型，推導了拼接誤差引起的角色散公式。
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