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It is frequently reported in the literature that the water diffusion coefficient in different epoxy systems is around [10.
This assumption of 1-dimensional flow will result in estimates of diffusion coefficients that may be lower than the actual values, resulting in the fluxes and pyrite oxidation rates being underestimated.
for LPVC paint and 139 [micro]m for HPVC paint were selected for estimation of the diffusion coefficient for both cases by minimizing the RMSE.
It can change the reaction rate and diffusion coefficient in the collecting medium.
Literature survey showed that no information is available on 2,4-xylidine adsorption isotherms and solid phase diffusion coefficient.
Weissman, Determination of the temperature dependence of gaseous diffusion coefficients using gas chromatographic apparatus, J.
The diffusion coefficient is determined according to the first and the second Fick's Law:
A constant diffusion coefficient in the tube implies that gas accumulation occurs under a constant pressure gradient within the tube.
The slope of the lines were used to calculate the diffusion coefficient, D as indicated in Eq.
Background: The apparent diffusion coefficient (ADC) values and the fractional anisotropy (FA) values calculated from diffusion tensor imaging (DTI) in the acute stage of diffuse axonal injury (DAI) are mainly used for prediction of prognosis.
In this model the diffusion constant, D, or more accurately the diffusion coefficient, is assumed constant throughout the decomposition.

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