نتایج جستجو برای: thermodynamic studies
تعداد نتایج: 1462682 فیلتر نتایج به سال:
Smart surfaces of biobased materials: IV. Dynamic surface effects in films of F-containing cellulose esters Ulrike Becker and Wolfgang Glasser Biobased Materials/Recycling Center, and Department of Wood Science and Forest Products Virginia Tech, Blacksburg, VA Abstract: Dynamic surface phenomena were examined in films of fluorine (F)-containing cellulose derivatives. The derivatives were either...
We determine the relative thermodynamic stability of competing homogeneously and inhomogeneously ordered ferroelectric phases of PbTiO3 using its free-energy landscape, obtained from constrained-polarization moleculardynamics simulations with a first-principles effective Hamiltonian and thermodynamic integration. While we find that the tetragonal structure is thermodynamically most stable at te...
The ability to determine the free energy of solvation for a number of small organic molecules with varying sizes and properties from the coordinate trajectory of a single simulation of a given reference state was investigated. The relative free energies were estimated from a single step perturbation using the perturbation formula. The reference state consisted of a cavity surrounded by solvent....
an analytical equation of state is applied to calculate the thermodynamic properties for argon. theequation of state is that of song and mason. it is based on a statistical-mechanical perturbation theory ofhard convex bodies and can be written as fifth-order polynomial in the density. there exist three temperaturedependentparameters: the second virial coefficient, an effective molecular volume,...
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