نتایج جستجو برای: diffusion systems

تعداد نتایج: 1329575  

Journal: :Mathematics in engineering 2021

<abstract><p>We study quasilinear reaction diffusion systems relative to the Shigesada-Kawasaki-Teramoto model. Nonlinearity standing for external force is provided with mass dissipation. Estimate in several norms of solution under restriction coefficients, growth rate reaction, and space dimension.</p></abstract>

Journal: :international journal of nano dimension 0
shabnam sohrabnezhad department of chemistry, faculty of science, university of guilan, p.o. box 1914, rasht, iran. a. habibi-yangjeh department of chemistry, university of mohaghegh ardabili, p.o. box 179, ardabil, iran. s. eftekhari department of chemistry, university of mohaghegh ardabili, p.o. box 179, ardabil, iran.

almcm-41 was applied for adsorption of methylene blue (mb) and auramine (au) in single and binary component systems. in the single component systems, almcm-41 represents higher adsorption capacity for mb than au with the maximal adsorption capacity of 2.07×10−4 and 1.15×10−4 mol/g at 25 ˚c for mb and au, respectively. in the binary component system, mb and au exhibit competitive adsorption onto...

Systems in which reaction terms are coupled to diffusion and advection transports arise in a wide range of chemical engineering applications, physics, biology and environmental. In these cases, the components of the unknown can denote concentrations or population sizes which represent quantities and they need to remain positive. Classical finite difference schemes may produce numerical drawback...

2006
A. G. Nikitin

Group classification of systems of two coupled nonlinear reaction-diffusion equation with a diagonal diffusion matrix is carried out. Symmetries of diffusion systems with singular diffusion matrix and additional first order derivative terms are described.

2005
A. G. Nikitin

Group classification of systems of two coupled nonlinear reaction-diffusion equation with a diagonal diffusion matrix is carried out. Symmetries of diffusion systems with singular diffusion matrix and additional first order derivative terms are described.

2004
A. G. Nikitin

Group classification of systems of two coupled nonlinear reaction-diffusion equation with a diagonal diffusion matrix is carried out. Symmetries of diffusion systems with singular diffusion matrix and additional first order derivative terms are described.

2005
A G Nikitin

Group classification of systems of two coupled nonlinear reaction-diffusion equation with a diagonal diffusion matrix is carried out. Symmetries of diffusion systems with singular diffusion matrix and additional first order derivative terms are described.

Journal: :Annales de l'Institut Henri Poincaré C, Analyse non linéaire 2017

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