نتایج جستجو برای: thermodynamics parameters

تعداد نتایج: 604719  

2005
BJARNE ANDRESEN Bjarne Andresen

Finite-time thermodynamics is the extension of traditional reversible thermodynamics to include the extra requirement that the process in question goes to completion in a specified finite length of time. As such it is by definition a branch of irreversible thermodynamics, but unlike most other versions of irreversible thermodynamics, finite-time thermodynamics does not require or assume any kno...

Journal: :iranian journal of astronomy and astrophysic 0
s. asadzadeh department of physics, university of kurdistan, pasdaran street, sanandaj, iran; m.s. khaledian department of physics, university of kurdistan, pasdaran street, sanandaj, iran; k. karami department of physics, university of kurdistan, pasdaran street, sanandaj, iran;

we investigate the growth of matter density perturbations as well as the generalized second law (gsl) of thermodynamics in the framework of f(r)-gravity. we consider a spatially flat frw universe filled with the pressureless matter and radiation which is enclosed by the dynamical apparent horizon with the hawking temperature. for some viable f(r) models containing the starobinsky, hu-sawicki, exp...

Journal: :Proteins 2007
Marta Bueno Carlos J Camacho Javier Sancho

The bioinformatics revolution of the last decade has been instrumental in the development of empirical potentials to quantitatively estimate protein interactions for modeling and design. Although computationally efficient, these potentials hide most of the relevant thermodynamics in 5-to-40 parameters that are fitted against a large experimental database. Here, we revisit this longstanding prob...

2007
Chihiro Sasaki Bengt Friman K. Redlich

Quantum Chromodynamics (QCD) exhibits dynamical chiral symmetry breaking and confinement. Both features are related with global symmetries of the QCD Lagrangian. While the chiral symmetry is exact in the limit of massless quarks the Z(3) center symmetry, which governs confinement, is exact in the opposite limit, i.e., for infinitely heavy quarks. The susceptibilities of the corresponding order ...

Journal: :The Iowa Review 1984

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
reza golhosseini bidgoli abbas naderifar ali reza mohammadrezaei mohammad reza jafari nasr

thermodynamic restrictions and simultaneous effects of operational conditions on the homogeneous rhodium-catalyzed carbonylation of methanol are studied in this line of research. it is shown that the general nrtl-virial model can be appropriated to study thermodynamics of the carbonylation. it is obtained that the reaction is kinetically and thermodynamically reasonable at temperatures above 42...

2013
Graeme Cunningham Mustafa Lotya Clotilde S Cucinotta Stefano Sanvito Shane D Bergin Robert Menzel Milo SP Shaffer Jonathan N Coleman

We have studied the dispersion and exfoliation of four inorganic layered compounds, WS2, MoS2, MoSe2 and MoTe2 in a range of organic solvents. The aim was to explore the relationship between the chemical structure of the exfoliated nanosheets and their dispersability. Sonication of the layered compounds in solvents generally gave few-layer nanosheets with lateral dimensions of a few hundred nan...

Journal: :Entropy 2012
Ingo Müller

The socio-thermodynamics of a population of two competing species exhibits strong analogies with the thermodynamics of solutions and alloys of two constituents. In particular we may construct strategy diagrams akin to the phase diagrams of chemical thermodynamics, complete with regions of homogeneous mixing and miscibility gaps.

The purpose of this study is to investigate the interaction of Etofylline as an established drug for asthma remedy, with the major transport protein in human blood circulation, the human serum albumin (HSA). In this respect, the fluorescence and circular dichroism (CD) spectroscopy techniques, along with the molecular docking and molecular dynamics simulation methods were employed. Analysis of ...

2008
Jacob D. Bekenstein

Black holes have their own thermodynamics including notions of entropy and temperature and versions of the three laws. After a light introduction to black hole physics, I recollect how black hole thermodynamics evolved in the 1970’s, while at the same time stressing conceptual points which were given little thought at that time, such as why the entropy should be linear in the black hole’s surfa...

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