نتایج جستجو برای: thermodynamic parameter

تعداد نتایج: 254066  

2018
Harmen Wierenga Pieter Rein ten Wolde Nils B. Becker

Biochemical reactions are fundamentally noisy at a molecular scale. This limits the precision of reaction networks, but also allows fluctuation measurements which may reveal the structure and dynamics of the underlying biochemical network. Here, we study non-equilibrium reaction cycles, such as the mechanochemical cycle of molecular motors, the phosphorylation cycle of circadian clock proteins,...

Journal: :journal of oil, gas and petrochemical technology 2014
saideh marhamati amir abbas izadpanah ahmad azari mojtaba rezaei

the simplified perturbed chain statistical associating fluid theory (spc-saft) equation of state (eos) was proposed to describe the thermodynamic properties of pure ionic liquids (ils). a set of spc-saft parameters for 2 ils was obtained by fitting the experimental liquid densities data over a wide range of temperature at atmospheric pressure. good agreement with experimental density data was o...

2004
Chaiho Rim

RG flow of central charge ceff is investigated for the two boundary sine-Gordon model at the free Fermi limit. Thermodynamic Bethe ansatz approach is used to check the non-monotonic decreasing properties of ceff , its resonance, and the modification of ceff due to the mismatch of the periodicity of a Lagrangian parameter and that of the boundary scattering parameter. The detailed analysis uses ...

1994
Naonori Ueda Ryohei Nakano

We present a deterministic annealing variant of the EM algorithm for maximum likelihood parameter estimation problems. In our approach, the EM process is reformulated as the problem of minimizing the thermodynamic free energy by using the principle of maximum entropy and statistical mechanics analogy. Unlike simulated annealing approaches, this minimization is deterministically performed. Moreo...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2006
Yves Garrabos Fabien Palencia Carole Lecoutre Can Erkey Bernard Le Neindre

We present the master (i.e., unique) behavior of the correlation length, as a function of the thermal field along the critical isochore, asymptotically close to the gas-liquid critical point of xenon, krypton, argon, helium-3, sulfur hexafluoride, carbon dioxide, and heavy water. It is remarkable that this unicity extends to the correction-to-scaling terms. The critical parameter set, which con...

2004
Peter Reichl Florian Hammer

Despite of its evident importance, measuring interactivity as a central parameter for characterizing conversations has not experienced much attention so far. Starting with an axiomatic approach and using thermodynamic concepts, this paper proposes “conversational temperature” as a new interactivity metric. The resulting scalar parameter is easily to be determined from standard measurements with...

2004
Peter Reichl Florian Hammer

Despite of its evident importance, measuring interactivity as a central parameter for characterizing conversations has not experienced much attention so far. Starting with an axiomatic approach and using thermodynamic concepts, this paper proposes “conversational temperature” as a new interactivity metric. The resulting scalar parameter is easily to be determined from standard measurements with...

Mahmood Reza Rahimi Seyyed Milad Salehi,

It seems using the Maxwell-Stefan (M-S) diffusion model in combination with the vacancy solution theory (VST) and the single-component adsorption data provides a superior, qualitative, and quantitative prediction of diffusion in zeolites. In the M-S formulation, thermodynamic factor (Г) is an essential parameter which must be estimated by an adsorption isotherm. Researchers usually utilize the ...

A. Semnani B. Shareghi, H. R. Shahbazkia M. Salavati-Niasari, P. Nooraei

The interaction of copper oxide nanoparticles and copper ions and proteinase K from Tritirachium album Limber has been investigated employing UV spectroscopy and kinetics measurements. The aim of this study was to evaluate the effect of nanoparticles of CuO for proteinase K. In this paper we compare the effect of copper oxide nanoparticles with the effect of copper ions on proteinase K sta...

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