A Novel Semi-Empirical Equation for Calculation of the Osmotic Coefficient and the Average Ionic Activity Coefficient 推算渗透系数及离子平均活度系数的新型半经验方程
A semi-empirical canonical partition function for fluid mixtures can be established, with theoretical analysis as a guide, A new equation of state has been derived from this canonical partition function. 以理论分析作为指导,建立流体混合物的半经验正则配分函数,并导出一个新的状态方程。
In this paper, a new semi-empirical equation to calculate the osmotic coefficient of binary aqueous electrolyte solution is proposed. It is a single-parameter equation with simple form and higher calculating precision. 本文提出了一个新的计算二元电解质水溶液渗透系数的半经验方程,该方程为单参数方程,形式简单且计算准确度高。
In this paper, a semi-empirical equation model of the resistance-humidity-temperature property of the humidity sensor is built. 本论文通过公式推导和经验总结,提出了电阻式湿敏元件的阻湿温三维构成的湿敏特性半经验公式模型。
The Using of Semi-empirical Equation to Calculate the Osmotic Coefficient of Binary Aqueous Electrolyte Solution and the Prediction of Vapor-liquid in Equilibrium 计算二元电解质水溶液渗透系数的半经验方程及汽液平衡预测
A semi-empirical rate equation adequately fits the sorption rate data of pyridine and N, N-dimethylaniline in the initial period, that is, till about 38.3~ 48.9% of the equilibrium sorption is attained. 吸附吡啶和N,N&二甲基苯胺的初始阶段,即达到38.3~48.9%平衡吸附时,吸附速率数据和半经验速率方程很吻合;
In this paper, the physical-based Green-Ampt ( 1911) infiltration equation is modified. Its moisture physical parameters are substituted with several common hydrological parameters, and hence a semi-theoretical and semi-empirical infiltration equation is given. 本文对格林&阿姆特(Green-Ampt,1911)物理入渗方程进行了改造,以几个常用的水文参数代换方程中的土壤水分物理参数,得到了半理论半经验的入渗方程;
Experiments were done on the explosion of premixed flame in a long pipe, from which the rules of flame propagation were obtained, and a semi-empirical equation was therefore concluded. 对预混火焰在圆管内的爆炸传播进行了实验研究,获得了圆管内火焰传播的规律,总结了关系式。
The unified theory is a semi-theoretical and semi-empirical formula, which substitutes constitutive equation under axial compression for constitutive equation under eccentric compression, and need to be perfected, the latter theories is comparatively mature and can be used for engineering practice. 统一理论是用轴压本构关系代替偏压本构关系的半经验半理论公式,其有待完善;后种理论则相对成熟,工程实例分析时可以借鉴。
Research results also indicate that the accuracy of the partial equilibrium model is improved after the transformation into a semi-empirical equation or the introduction of Davies activity correction. 研究同时发现,将模型转化为半经验公式,或者进行Davies活度校正后,其预测的准确度可以得到提高。
Deduced the track formulas of the jet flow velocity z component w isoline patch vortexes centers movement, and through semi-empirical method, got vortexes centers movement track x component and z component equation with time. 通过半经验半理论的方法对射流z轴方向流速分量w等值线流团涡心运动轨迹方程进行了推导,分别建立了涡心运动轨迹x分量与z分量随时间变化的表达式。