经验方程

  • 网络Empirical equation;experience equation
经验方程经验方程
  1. 鉴于此,选取5个经验方程进行建模,结果显示,对于胸径和CI、RCI、RC1、RC2间的关系用双曲线和幂函数方程拟合较为适宜。

    Thus , modeling by 5 empirical equations showed that using hyperboloid and power function fitting the relationships are quite good .

  2. 为了得到大量可靠的溶解度数据,本论文对分散红60、分散橙25在SC-CO2中的溶解度及二氧化碳在水中的溶解度进行了实验研究,并分别使用经验方程和PR方程进行了关联和预测。

    Disperse Orange 25 in SC-CO2 and SC-CO2 in pure water were conducted in this paper . The empirical equations and PR-equation were used to correlate and predict the results .

  3. AES/无机盐胶束溶液的稳态剪切粘度可用Cross经验方程描述。

    The steady shear viscosity of AES / salt complex solution can be described by the Cross empirical equation .

  4. 边界积分方程法二维电阻率层析成像然后利用经验方程法和流变模型理论两种方法建立了Q2黄土流变本构模型,并确定了相关参数。

    2-D RESISTIVITY TOMOGRAPHY USING BOUNDARY INTEGRAL EQUATIONS The thesis establishes constitutive model with empirical equation law and model theory and determines related parameter .

  5. 同时,提出了合金冲击强度与分散相颗粒表面间距(τd)关系的经验方程,计算出合金发生脆韧转变的临界表面间距τc值为0.20μm。

    Meanwhile , the empirical equation between the impact strength and surface-to-surface interparticle distance of the disperse phase was proposed , and the calculated brittle-tough transition value of the blend is 0.20 μ m.

  6. 基于实验数据,建立了改性PET熔体在CO2环境中表面张力的经验方程。第四,对改性PET的CO2发泡成核过程进行了模拟分析。

    Based on experiment , an empirical equation is proposed to predict the surface tension of modified PET in CO2.Simulation and analysis of cell nucleation in modified PET foaming process .

  7. 实验采用相关分析、x回归分析的方法,找出主要因素,建立回归经验方程,以优化系统工艺,简化系统结构,预测实验结果。

    Using the methods of correlation analysis and regression analysis , the primary effect factors are found out and the regression equations are set to optimize the system process , predigest the system structure and to forecast the experimental results .

  8. 绘制相应的溶解度图和相图,结合回归溶解度经验方程(R≥0.999),并探讨这种双水相体系形成的条件和相平衡的初步规律。

    Corresponding solubility diagram and phase diagram are drawn , and empirical equation of solubility ( R ≥ 0.999 ) is regressed . Moreover , the condition under which this aqueous two phase system are formed and the tentative law of phase equilibrium are investigated .

  9. 然后由实验测得界面裂缝扩展速率和有限元模拟给出的能量释放率,拟合得到可作为倒装焊封装可靠性设计依据的Paris半经验方程。

    Then , the half-empirical Paris equation , which can be used as a design base of flip chip package reliability , have been determined from the crack propagation rates da / dn measured and the energy release rates G simulated .

  10. 研究了汽油调合模型,对四种模型Morris改进的交互系数法、Zahed经验方程、Twu-Coon方法和神经元网络模型进行了比较研究。

    Four types of models for gasoline blending including Morris ' promoted model , Zahed empirical formulas , Twu-Coon method and the neural network model , were studied and compared .

  11. 基于膜理论及Peleg经验方程建立了甘草酸的浸取动力学模型,与实验值吻合良好,得出了传质系数。

    Based onthe film theory and Peleg empirical equation , the kinetic model of GA leaching was obtained , which fitted the experimental data well , and the rate constant was calculated .

  12. 根据汽油调合实验推导了Zahed经验方程的回归系数,建立了汽油调合辛烷值模型,进行了模型预测计算。

    Coefficient of Zahed empirical formulas was proposed , models of gasoline blending in this study were obtained , and evaluation of the octane number was carried out .

  13. 文章通过直接状态方程法和热动力学公式法对He的Joule-Thomson系数进行了分析和计算,并在计算结果的基础上,拟合得到了便于工程应用的经验方程。

    In this paper , the calculation and analysis of the Joule-Thomson coefficients of liquid He ⅱ through the equation of state and thermodynamic identity are carried out and an empirical equation is obtained by curve fitting based on the results .

  14. 采用滴定法测定了305K到345K温度范围内苯基膦酸在水中的溶解度,并对其溶解度和温度进行了关联,得到了溶解度经验方程。

    Solubility of benzenephosphonic acid in water from 305 k to 345 k were determined by titration method , and the solubility was correlated with temperature by an empirical equation .

  15. 通过回归分析,建立了该合金高温塑性变形时稳态流变应力的半经验方程。

    The steady flow stress equations were established by regression analysis .

  16. 磁偏角前兆特征与时间震级经验方程

    The Precursory Characteristics of Magnetic Declination and Its Time-magnitude Empirical Equation

  17. 化学动力学经验方程回归的程序设计

    Program Design for the Regression of Chemical Kinetic Experimental Differential Equation

  18. 混合制冷剂沸腾传热模型及经验方程

    Heat transfer model and experience equation of boiling refrigerant mixtures

  19. 大光轴角晶体光学定向的经验方程

    An empirical equation for optical orientating crystals with large optical axis angles

  20. 建立了轴面温度分布的半经验方程。

    A semi-empirical formula relating to temperature distribution on the axial plane is established .

  21. 所得的结果同由经验方程求得的结果相类似,与实际系统的实验值相近。

    The results obtained are similar to experimental values and the results from empirical equation .

  22. 采用矩量法确定了盐酸大观霉素溶析结晶二次成核和晶体生长动力学经验方程。

    The empirical equations for secondary nucleation and crystal growth kinetics were determined by moment method .

  23. 推算渗透系数及离子平均活度系数的新型半经验方程

    A Novel Semi-Empirical Equation for Calculation of the Osmotic Coefficient and the Average Ionic Activity Coefficient

  24. 列举了用经验方程进行盐矿品位解释的应用效果。

    The result of applying the empirical equation to salt mine grade interpretation is also given .

  25. 实验数据用理想溶液模型及经验方程进行了关联。

    The ideal solution model and two empirical equations were applied to correlate the solid-liquid equilibrium data .

  26. 基于经验方程的船用三轴燃气轮机压气机特性计算

    The Numeration of compressor performance based on the experience equations for a marine gas turbine with twin-shaft gas-generator

  27. 建筑法规处理这些影响静态现象,并涉及他们的实际情况,通过半经验方程。

    Building codes treat these effects as static phenomena and relate them to the actual conditions through semiempirical equations .

  28. 并根据大量的实验数据,拟合得到含瓦斯煤的渗透率随围压和孔隙压力变化的经验方程。

    The new equations for gas permeability of the coal samples are formulated by the numerical simulations of experimental data .

  29. 根据试验结果,归纳出萃取速度的经验方程,为工艺设计提供了依据。

    An empirical equation of extraction rate is deduced therefrom , which can be used as the basis of up-scaling .

  30. 使用该经验方程结合熔喷理论模型进行了纤维最终直径的预测,实际预测结果证明了所建经验方程的正确性和可靠性。

    The reliability of the developed correlations is confirmed by the model prediction effects of final fiber diameter employing the developed formulae .