stochastic random walk study, the kinetic constant k of the continuous reaction鈥揹iffusion model could be expressed as a function of the basic physico-chemical parameters (persistence length and jump frequency of the Brownian motion, collision frequency, binding probability) of the individual ...
In this study, we have derived a model that simulates inorganic carbon diffusion and reactions in the vicinity of phytoplankton cells. To allow a general application of the model, the reaction kinetics of the carbonate system are reviewed and temperature- and salinity-dependence of the various ...
model and design future devices[123]. In pure (undoped or unalloyed) compounds, the effects of diffusion are not apparent at temperatures below that at which the compound begins to dissociate[40]. Once a small amount of dissociation has taken place, however, the products may diffuse at ...
Bounds for the propagation speed of combustion flames We rewrite these equations as a classical reaction-diffusion model, so that we can apply some known methods for the prediction of lower and upper bounds... J Fort,D Campos,JR González,... - 《Journal of Physics A General Physics》 被引...
037 (2023-07-26) MCMC-Correction of Score-Based Diffusion Models for Model Composition https://arxiv.org/pdf/2307.14012.pdf 038 (2023-07-26) Time multiscale modeling of sorption kinetics I uniformly accurate schemes for highly oscillatory advection-diffusion equation ...
We consider a nonlinear reaction-diffusion model: n Brownian particles move independently in R d and eventually die. The interaction, of binary type, affects only the death rate. The radius of interaction goes to zero as the number of particles increases and we characterize a wide range of spe...
A model, derived in a previous paper, for the reaction between a gaseous oxidant and a solid porous fuel is analysed further for general Robin boundary conditions. Numerical solutions are obtained and the effects of varying the dimensionless parameters, particularly the Frank-Kamenetskii parameter {...
(3) equivariant diffusion model that satisfies all physical symmetries and constraints for generating sets of structures—reactant, transition state and product—in an elementary reaction. Provided reactant and product, this model generates a transition state structure in seconds instead of hours, which...
This diffusion theory model is not accurate near the source; that is, reflectance that falls in the range of 1–2 transport mean free paths (mfp′) of the source. We make up this drawback by measuring the reflectance beyond the range 2–3 mfp′. For normally incident light, one ...
Ising modelmolecular dynamics methodreaction kinetics theorysuspensions/ reversible diffusion controlled reactionscolloidal kinetic Ising modeltime dependenceThe time-dependence of reversible diffusion-controlled reactions in a binary suspension of equal-sized spheres is studied on the basis of the time-...