Exemplos de uso de Diffusion coefficients em Inglês e suas traduções para o Português
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Estimation of chloride diffusion coefficients.
Used to determine diffusion coefficients and investigate reaction kinetics and mechanisms. Chronopotentiometry.
Comparison entres appropriate to the atmosphere in unstable conditions vertical diffusion coefficients(kz) was presented.
The apparent diffusion coefficients(apparent diffusion coefficients, adcs) were measured in each of the segments and correlated with clinical diagnoses.
Every Itō diffusion with Lipschitz-continuous drift and diffusion coefficients is a Feller-continuous process.
We considered the influence of the strange quark mass, the strong interaction coupling constant andof the bag constant on the diffusion coefficients.
The flow of co2,estimated by the rbm, was tested as a function of the diffusion coefficients of turbulent sensible heat(f_(k_h)) and latent f_k_v.
For agarose the diffusion coefficients were found in the range of 4.08 10-6 cm2 s-1(cr) to 5.77 10-6 cm2 s-1(pb). we also observed a linear accumulation of mass of the species investigated as a function of exposure time.
From the kinetic results,the rate of water uptake and water diffusion coefficients can be determined.
The behavior of the diffusion coefficients, the relative relevance of the different weak interaction processes for the total opacity, the mean energy transfer per scattering and the mean scattering angles are analysed in detail.
Successive additions of water led to significant changes in the spectra and the diffusion coefficients of sp and s1p, suggesting that different species(monomer and aggregates) are present i.
In its implementation kinetic studies were performed using a factorial design 22 to determine the influence of the independent variables: osmotic agent concentration andimmersion time on the diffusion coefficients of water and sucrose.
In general, obtains informations such as transverse relaxation time(t2), and diffusion coefficients, allowing inferring properties such as permeability and poring size distribution.
Graphs like Figure 6 that relate service life with depth where the chloride concentration reached the threshold for reinforcement depassivation are the most efficacious means of presenting results of chloride diffusion coefficients.
To verify the role of the ionic diffusion on the growth of the cr2o3 film by theoxidation of aisi 439, measures of the diffusion coefficients of chromium, oxygen and iron in oxide films between 750 and 900°c, were carried out in air.
The diffusion coefficients for these two types of diffusion are generally different because the diffusion coefficient for chemical diffusion is binary and it includes the effects due to the correlation of the movement of the different diffusing species.
The chloride ion flux JCl represents the speed at which the ions are transported through the concrete, and the steady-state and nonsteady-state diffusion coefficients are calculated based on this flux.
Local volatility" is thus a term used in quantitative finance to denote the set of diffusion coefficients, σ t σ( S t, t){\displaystyle\sigma_{t}=\sigma(S_{t}, t)}, that are consistent with market prices for all options on a given underlying.
Linear sweep voltammetry Staircase voltammetry Squarewave voltammetry Cyclic voltammetry- A voltammetric method that can be used to determine diffusion coefficients and half cell reduction potentials.
In dosy(¿diffusion ordered spectroscopy¿)experiments, small differences in diffusion coefficients between molecular species are enough to obtain the number of sub-spectra for each species, leading to the number of components present in the mixture and allowing the characterization of them.
In order to do this, we calculated the diffusion coefficient which controls the viscous flow,, from experimental viscosity data using the eyring equation and compared with diffusion coefficients that control the phenomena of crystal nucleation and growth( and), calculated from experimental measurements of specific heat, viscosity, crystal nucleation and growth.
The analysis showed that the diffusion coefficient satisfactorily describes the dependence of the diffusion coefficients and at high temperatures. however, for temperatures below 1.03 and 1.19 for crystal nucleation and growth, respectively, we observed a phenomenon called decoupling(or breakdown) that is the inability to use. to describe and with temperature.
Diffusion-weighted imaging anddiffusion tensor imaging sequences provide several indices that characterize the motion of molecules(expressed as apparent diffusion coefficients and mean diffusivity), the orientation of the diffusion with fractional anisotropy, and the characteristics of the diffusion along and perpendicular to its principal direction(axial or longitudinal), making it possible to evaluate tissue integrity9-11.
MR Figure 2 confirmed the presence of an acute/subacute AIS,since we could observe low apparent diffusion coefficients in diffusion weighted images DWI, as well as some areas of contrast enhancement disrupted blood brain barrier, affecting discontinuous cortical segments of the precentral gyrus, inferior parietal lobule, subcortical parietal white matter and centrum semiovale on the left, all within the superior division of middle cerebral artery branches.
Correlation among the values of apparent diffusion coefficient provided by diffusion-weighted….
In another cases,be a diffusion coefficient which depends of global population in.
EN 0331 diffusion coefficient in porous media.
Table 2 lists the diffusion coefficient of some gaseous components of air.
If the diffusion coefficient depends on the density then the equation is nonlinear, otherwise it is linear.
Figure 5 presents the results of chloride diffusion coefficient determined by the method proposed by.