نتایج جستجو برای: thermodynamic property

تعداد نتایج: 198966  

Journal: :The Journal of chemical physics 2013
Tiejun Li Bin Min Zhiming Wang

The stochastic integral ensuring the Newton-Leibnitz chain rule is essential in stochastic energetics. Marcus canonical integral has this property and can be understood as the Wong-Zakai type smoothing limit when the driving process is non-Gaussian. However, this important concept seems not well-known for physicists. In this paper, we discuss Marcus integral for non-Gaussian processes and its c...

1998
G. Téllez

We study the equilibrium statistical mechanics of classical two-dimensional Coulomb systems living on a pseudosphere (an infinite surface of constant negative curvature). The Coulomb potential created by one point charge exists and goes to zero at infinity. The pressure can be expanded as a series in integer powers of the density (the virial expansion). The correlation functions have a thermody...

Journal: :Acta crystallographica. Section A, Foundations of crystallography 2008
Andrzej Katrusiak

Since the late 1950's, high-pressure structural studies have become increasingly frequent, following the inception of opposed-anvil cells, development of efficient diffractometric equipment (brighter radiation sources both in laboratories and in synchrotron facilities, highly efficient area detectors) and procedures (for crystal mounting, centring, pressure calibration, collecting and correctin...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
Jie Ren Baowen Li

We study vibrational thermodynamic stability of small-world oscillator networks by relating the average mean-square displacement S of oscillators to the eigenvalue spectrum of the Laplacian matrix of networks. We show that the cross-links suppress S effectively and there exist two phases on the small-world networks: (1) an unstable phase: when p1/N , S approximately N ; (2) a stable phase: when...

Journal: :I. J. Bifurcation and Chaos 2008
Alexander Loskutov Olga Chichigina Alexei Ryabov

By means of a thermodynamic approach we analyze billiards in the form of the Lorentz gas with the open horizon. For periodic and stochastic oscillations of the scatterers, the average velocity of the particle ensemble as a function of time is analytically obtained. It is shown that the consequence of such oscillations is Fermi acceleration which is larger for periodic oscillations. The describe...

2015
Christina M Rost Edward Sachet Trent Borman Ali Moballegh Elizabeth C Dickey Dong Hou Jacob L Jones Stefano Curtarolo Jon-Paul Maria

Configurational disorder can be compositionally engineered into mixed oxide by populating a single sublattice with many distinct cations. The formulations promote novel and entropy-stabilized forms of crystalline matter where metal cations are incorporated in new ways. Here, through rigorous experiments, a simple thermodynamic model, and a five-component oxide formulation, we demonstrate beyond...

1998
G. Téllez

We study the equilibrium statistical mechanics of classical two-dimensional Coulomb systems living on a pseudosphere (an infinite surface of constant negative curvature). The Coulomb potential created by one point charge exists and goes to zero at infinity. The pressure can be expanded as a series in integer powers of the density (the virial expansion). The correlation functions have a thermody...

2012
Petr Pancoska Zdenek Moravek Uday Kiran Para Jaroslav Nesetril

Zero mode waveguide technology of next generation sequencing demonstrated sequence-dependence of the enzymatic reaction, incorporating a base into the genomic DNA. We show that these experimental results indicate existence of a previously uncharacterized physical property of DNA, the incorporation reaction chemical potential . We use the combination of graph theory and statistical thermodynamic...

2016
Fangzhu Xiao Guowen Peng Changming Nie Limei Yu Yinping Zhang

Novel group quantitative structure-property relationship (QSPR) models on the thermodynamic properties of PBXTHs were presented, by the multiple linear regression (MLR) analysis method. Four thermodynamic properties were studied: the entropy (Sθ), the standard enthalpy of formation (ΔfHθ), the standard Gibbs energy of formation (ΔfGθ), and the relative standard Gibbs energy of formation (ΔRGθ)....

2010
N. Shankar Ganesh T. Srinivas

In Kalina power generation as well as vapor absorption and refrigeration systems ammonia-water mixture has been used as working fluids. Unlike for pure components, binary mixtures additionally need mixture concentration to solve thermodynamic properties. A flowchart is developed to understand the computations of the properties. The thermodynamic properties for ammonia-water mixture have been ge...

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