A mixing rule for the mixtures of hard-spheres is presented which can be reduced to the standard van der Waals mixing rule at low densities. The effectiveness of the mixing rule for the size and energy parameters of lennard-Jones fluid are examined by combining them with an equation of state to calculate thermodynamic properties. The results of calculation are compared with the molecular dy...

In this work, artificial neural network (ANN) has been employed to propose a practical model for predicting the surface tension of multi-component mixtures. In order to develop a reliable model based on the ANN, a comprehensive experimental data set including 15 ternary liquid mixtures at different temperatures was employed. These systems consist of 777 data points generally containing hydrocar...

our main aim in this article is to analyze the two concepts “proposition” and “state of affairs”. first we present the minimal expectations of a theory of “proposition” and a theory of “state of affairs”, and then we turn to the views of the contemporary theorist john pollock regarding these two topics and present the most important of his views on the subject. subsequently, we reconstruct a th...

lack of public administration theory for islamic republic state in academic, administrative, policy and decision making fields are felt. why, it seems that between the state and public administration are common values. this paper seeks to investigate this issue. for this purpose, using comparative-historical analysis first, the historical relations and correspondence between state and public ad...

in this research, structural and electronic properties of zncdn-1ten clusters (n=1-10) have been studied by formalism of density functional theory and using the projector augmented wave within local density approximation. the structural properties (such as bond length/angle and coordination number), electronic and optical properties (such as binding energy, kohn-sham spectrum and partial charge...

in this work, we report results of calculations based on the density functional theory of different species metal-ozone, containing mercury, silver and gold. the chosen species range from small molecules and large transition-metal containing ozone with mercury, silver and gold complexes. a comparative analysis of the description of the metal-oxygen bond obtained by different methodologies is pr...