نتایج جستجو برای: soret parameter

تعداد نتایج: 215857  

Journal: :Comptes Rendus Mécanique 2013

2008
Robert J. Asaro Diana Farkas Yashashree Kulkarni

The Soret effect, as it occurs in the diffusion of solutes in crystals, is analyzed using the principle of microscopic reversibility whereby an approach is developed for interpreting and computing Q*, the heat of transport. To compute the transport of energy during the diffusion jump process, and then Q*, the processes of thermal activation to the transition state and the decay from the transit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :Journal of Chemical Physics 2021

In a series of publications, Kocherginsky and Gruebele presented systematic framework for chemical transport thermodiffusion to predict the Soret coefficients from thermodynamics. A macroscopic derivation Onsager reciprocal relations without recourse microscopic fluctuations or equations motion was also discussed. Their important contributions some confusions are

Journal: :Trends in Sciences 2022

This article investigates numerically the effects of Hall current and rotation on radiating chemically reacting unsteady MHD natural convection flow past an accelerated infinite vertical permeable plate in presence Soret Dufour effects. The dimensionless coupled non-linear governing partial differential equations problem are solved by employing finite element method. influence various physical ...

Journal: :Chemical communications 2012
Christopher J Ziegler Jared R Sabin G Richard Geier Victor N Nemykin

Absorption spectra of several free base triarylcorroles were investigated by MCD spectroscopy. The MCD spectra exhibit unusual sign-reverse (positive-to-negative intensities in ascending energy) features in the Soret- and Q-type band regions, suggesting a rare ΔHOMO < ΔLUMO relationship between π and π* MOs in the corrole core.

Journal: :Arab journal of basic and applied sciences 2023

The influences of thermal radiation, Heat Generation and Soret–Dufour on the boundary layer flow Micropolar Walters-B non-Newtonian fluid with MHD heat mass transfer are investigated, formulated model resulted to set partial differential equations (PDEs). PDEs were simplified using suitable similarity variable obtain total eqautions. transformed solve by employing spectral homotopy analysis met...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1980
C S Craik S R Buchman S Beychok

We have prepared and isolated the peptide fragments coded for by the three exons of the human beta-globin gene, using the arginine-specific protease clostripain (EC 3.4.22.8). The region encoded by the central exon (amino acid residues 31-104) contains an arginine at position 40. This site was less susceptible to cleavage than the two sites that correspond to the exon-intron boundaries, and the...

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