Diffusion process
A Stochastic Diffusion Process Based on the Two-Parameters Weibull Density Function
... stochastic diffusion processes, which are defined and studied by several ...these diffusion processes from the viewpoint of the corresponding Itˆo stochastic diffusion process (SDE), for ...
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Costs study through a diffusion process of pensions funds held with an outside financing effort
... value process of this kind of funds, a time homogeneous diffusion process with finite expected time till the ruin is ...the diffusion, at some level with positive value every time it hits a ...
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Influence of the physical state of water in the diffusion process in asphalt binders
... According to the diffusivity results obtained using con- figuration (i) (Vasconcelos et al. 2010), several months will be required before the liquid water signal can be quantified if 1mm film thickness is used. The ...
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Joining Copper to Stainless Steel by Friction Stir Diffusion Process
... From the original materials, the dimensions of the plates were chosen appropriate to the fastening system available minimizing material wastes and maximizing the number of welds per plate. In case of stainless steel ...
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Image Segmentation Using Two Step Splitting Function
... reaction diffusion process, the exact contour is detected and the number of iterations taken to execute the final contour is compara6tively less and also the number of iterations as compared to previous ...
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Structural Considerations on Fatigue Cracks
... a diffusion process of some manganese compounds under the action of fatigue cycles, (Figure ...a diffusion process involving different one-dimensional faults (interstitial atoms, foreign ...
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Braz. J. Phys. vol.38 número1
... a diffusion process) we were not be able to determine the behavior of the crossover expo- nent φ as a function of the diffusion rate in the limit of high diffusion rate ...weak ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.33 número2
... retention- diffusion process, after taking the appropriate limits when the time interval and cell size tend to zero, is reduced to a linear fourth order partial differential equation provided that the ...
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Substitution-diffusion based Image Cipher
... In diffusion process, sequences of block pixels are rearranged within the same block by a zigzag approach as shown in the Figure ...substitution process. In each round of substitution process, ...
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Diffusion model for the financing of a fund that risks ruin
... a diffusion process to represent a system subject to systematic ruin, with a stochastic regime of inflows and outflows of capital, establishing an analogy between this process and a pensions ...
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J. Braz. Chem. Soc. vol.22 número2
... the diffusion process, the release mechanism was associated with processes of swelling and erosion of the polymeric ...release process was first controlled by the permeation of water through the ...
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POLICY TRANSFER, DIFFUSION, AND CIRCULATION
... over diffusion analysis questions the pertinence and applicability of certain policy models in specific contexts, such as “global pre- scriptions” produced by international ...
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Word diffusion and climate science.
... database. This bears consideration as a factor (among the clear economic and other barriers) for why the social and political impact of the convincing climate evidence has been disappointing. The model is widely ...
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In vivo facilitated diffusion model.
... Moreover, as we will see below, already the simpler one-state model of facilitated diffusion is sufficient to obtain a fairly good estimate of the experimental results without any further free parameters. Thus we ...
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Diffusion of single oxidation pond
... The hy drau lic char ac ter is tic of an ox i da tion pond was stud ied by the tracer ex per i - ment, and an em pir i cal for mula of Peclet num ber was ob tained, which can be well ap [r] ...
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Formulation, Optimization and in vitro Characterization of Stavudine Gastro Retentive Floating Matrix Tablets
... Drug diffusion through most types of polymeric systems is often best described by Fickian diffusion, but in addition to diffusion, other processes are also ...This process is described as ...
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An analytical model for estimating water exchange rate in white matter using diffusion MRI.
... of diffusion signal acqired by MRI ...to diffusion in the extra-cellular or extra-axonal space, known as hindered diffusion or fast ...is diffusion in the intra-cellular or axonal space, known ...
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Brain diffusion weighted and diffusion tensor imaging findings in an infant with biotinidase deficiency.
... internal capsules, corona radiata, and parieto-occipital gray matter. In our patient, a different pattern was observed, with moderately reduced diffusion and increased fractional anisotropy in the perirolandic ...
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Drying kinetics of pineapple agro-industrial residues: a new approach / Cinética de secagem de resíduos agro-industriais de abacaxi: uma nova abordagem
... During drying, the mass of each sample was determined by weighing the trays at the beginning of the process and at regular but not equally spaced intervals. In the first 30 minutes the samples were weighed every 5 ...
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