cubic equation

A Two-Parameter Cubic Equation of State

二参数三阶状态方程

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A new cubic equation of state

一个新的三次方型状态方程

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A cubic equation which is about y 0 can be founded when the rectangle beam in the purely bended brings about damage.

分析矩形梁纯弯曲受损时可以得到一个现时截面中性轴位置y0和无量纲化弯矩m的关系式，它是一个关于y0的三次方程。

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A new cubic equation of state for refrigerants is presented in this paper by means of a "hard-sphere fluid" model.

在组分分析的基础上，采用立方型状态方程建立了计算原油体积系数的新方法。

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It is rather complicated to compute the neutral axis in partially pre-stressed concrete beams after cracking, since we have to solve a cubic equation.

计算部分预应力混凝土梁开裂后截面应力时，需求解中和轴高度的三次方程，使计算显得比较复杂。

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The regressive equation of the water vapor permeability and the steam differential is cubic equation and the square of correlation coefficient is 0.719~ 0.973.

对于被测试样，蒸汽压差与透湿量呈三次曲线关系，具有较高的相关性，相关系数的平方为0.719~0.973。

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With research objective on two closed loop system of DC electromotor, calculative expressions and boundary condition of parameters with cubic equation model are introduced in the paper.

以可控硅直流电动机双闭环系统作为研究对象，给出了三阶模型下的参数计算公式和边界条件。

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The diversification level and changes in the value of enterprises meet the cubic equation.

研究发现，企业的多元化水平和企业价值的变化，满足三次方程。

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With the curve fit model method, the cubic equation is adopted to fit the experiment data resulting in good effect.

采用曲线拟合建模法，用三次曲线对试验数据进行拟合，经检验拟合效果较好。

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Least square regression method was used for MTF curve ( at logarithmic axis) fitting with quadratic equation so as or cubic equation to obtain the desired parameters.

用最小二乘法对MTF曲线（对数坐标下）进行二、三次项拟合，求得拟合参数。

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A cubic equation of state for systems containing salts is presented by adding Debye-Huckel electrostatic contribution to the Patel-Teja equation of state.

本文将Debye-Huckel静电作用项增加至Patel-Teja立方型状态方程中，建立了适用于电解质体系的新模型。

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A Rigorous Conversion from Geocentric to Geodetic Coordinates Based on the Solution to Univariate Cubic Equation

基于一元三次方程求解的地心坐标至大地坐标的严密变换

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In riser design of steel casting, modulus method is the most widely used method, and the cubic equation method is a most close method in modulus method.

在铸钢件冒口设计中，模数法是一个广泛应用的计算方法，三次方程解析法是模数法中较为严密的计算方法。

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I must work out the cubic equation.

我必须解出这道三次方程。

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Mixing Rules for van der Waals Type of Cubic Equation of State ⅱ Equation of State-Excess Gibbs Free Energy Model

van der waals型立方状态方程中的混合规则Ⅱ状态方程过量吉布斯自由能模型

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A New Method of Calculating Parameter of Equation in Cubic Equations of State

立方型状态方程参数新算法

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Based on the definition of sensitive actual stage a cubic equation was derived and solved for the liquid compositions on the sensitive actual stages for the rectifying and stripping sections.

从灵敏实际级的定义出发，导出一个立方型方程，解此方程得出精馏段和提馏段的灵敏实际级上的液相组成。

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Researches and applications of cubic equation of state for high pressure phase equilibria

方型状态方程在高压相平衡中的研究及应用

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Based on the Galois theory, we know the root solution of real coefficient cubic equation.

由域论的Galois理论，我们知道实系数三次方程有根式解。

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Investigation of Cubic Equation of State

立方型状态方程的研究

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Prediction of the volume data of saturated vapors and liquids for organic substances using the cubic equation of molecular aggregation

应用聚集立方型状态方程预测有机物饱和汽、液相体积

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Inflection Point and the Formula of Extracting Roots on Cubic Equation

拐点和一元三次方程的求根公式

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The field equation for a complex scalar field with a cubic nonlinear term in tour-dimensional Minkowski space is studied. Two classes of exact solutions, corresponding to solutions of plane and spherical waves, are presented.

本文在四维Minkowski空间中对具有立方非线性复标量场方程进行了研究，并给出了场方程的两种精确解，这两种解相当于场的平面与球面波解。

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Researches of Mixing Rules in Cubic Equation of State for Phase Equilibria

立方型状态方程的混合规则在相平衡计算中的研究

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The cubic equation of state ( EOS) has the characteristics of simple forms and higher preci-sion.

立方型状态方程具有型式简单、精度高等特点。

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An Improvement on Generalized Cubic Equation of State

改进的总包性立方型状态方程

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A two-parameter hard-body equation of state which can be used in cubic equation of state as a term of repulsive pressure is proposed.

提出了一个简化的二参数刚体状态方程，可用作立方型方程的斥力项。

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The F function modified cubic equation of state-FRKS and the improved binary interaction function by introducing the pressure factor, were used to correlate excess volumes of binary mixtures at high pressure.

利用F函数改进的立方状态方程&FRKS方程，并在二元互作用函数中引入压力项因子，对高压下二元系的超额体积进行拟合。

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The coefficients of determination ( R~ 2) of fitting curve were 0.21 ± 0.09 ( P < 0.01), so the BMD reference database of Qingdao women were established by cubic regression equation.

拟合曲线的决定系数（R2）为0.21±0.09（P<0.01）。

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Blind Detection of LSB Steganography Based on a Cubic Equation

基于三次方程的LSB隐藏信息的盲检测

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