نتایج جستجو برای: gibbs free energy

تعداد نتایج: 1137587  

2013

where z denotes the microscopic configuration and ρeq(z)dz is the equilibrium measure for the microscopic dynamics. In some cases the actual Hamiltonian (total energy) may be expressible in terms of the coarse-grained variables and is strictly conserved, but this is not always the case since some of the energy may in fact be incorporated in the coarse-grained free energy as an “entropy”. The eq...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this thesis protic and aprotic ammonium-based ionic liquids were synthesized and their surface tensions were measured in the range of 298-373k. the protics are alkyl ammonium-based ils with the carboxylate (formate, acetate, propionate) anion and aprotics are quaternary ammonium-based ils with bis(trifluoromethylsulfonyl)imide anion. capillary rise method was used for surface tension measure...

Journal: :journal of sciences islamic republic of iran 0

the binding of sodium n-dodecyl sulphate (sds) to histone h3 was studied in the ph range 3.2-10 by equilibrium dialysis at 27? and 3 7 ?c .t he binding data have been used to obtain the gibbs free energy of interaction using a theoretical model of the wyman binding potential; and the enthalpy of interaction from the temperature dependence of theequilibriumconstantsfronr thevan't hoff re1at...

Journal: :ecopersia 0
elahe astani former m.sc. student, faculty of sciences, university of zanjan, zanjan, iran morteza vahedpour professor, faculty of sciences, university of zanjan, zanjan, iran hadi babaei m.sc., ecology center, national inland water aquaculture institute, anzali, iran

mehg and total mercury concentrations were determined in the muscle tissues of four fish species (cyprinus carpio, rutilus frisii, carassius auratus and esox lucius) from anzali wetland (guilan, iran). fish with the highest amount of mehg was selected to determine the thermodynamic parameters of mehg extraction. the extractions process was performed in the range of temperatures 331.15 to 367.15...

Journal: :journal of physical & theoretical chemistry 2005
m. keshavarz k. zare m. akbarzadeh m.r khoshchehreh a.f.b mahdavi

in the present work, the interaction of three water soluble porphyrins, tetra (p-trimethyle) ammoniumphenyl porphyrin iodide (tapp) as a cationic porphyrin, tetra sodium meso-tetrakis (p-sulphonatophenyle) porphyrin (tspp) as an anionic porphyrin and manganese tetrakis (p-sulphonato phenyl)porphinato acetate (mntspp) as a metal porphyrin, with dna have been studied by isothermaltitration microc...

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