Numerically Approximating the Effective Diffusion Coefficient
A Probability-Based Numerical Method for Estimating Effective Diffusion Coefficient in Concrete
... BIOGRAPHICAL SKETCH Riza Secer Orkun Keskin was born on May 23, 1977 in Ankara, Turkey. He re- ceived a Bachelor of Science degree in Civil Engineering from Middle East Tech- nical University in January 2000. Under the ...
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Vertical variation in diffusion coefficient within sediments
... As stated above, O’Connor and Harvey [2008] compiled data from various flume tracer studies in order to examine a wide range of fluid flow and sediment conditions and their effect on transport in permeable sediments. ...
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Apparent diffusion coefficient as an effective index for the therapeutic efficiency of brain chemoradiotherapy for brain metastases from lung cancer
... Tumors with higher ADC values often contain more necrotic tissue and/or damaged cell mem- branes, with a poorer blood perfusion, and are rela- tively insensitive to radiotherapy [38], indicating that pre-radiotherapy ADC ...
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Kernel based nonparametric coefficient estimation in diffusion models
... Especially, they are able to capture non-linear dependence between the coordinates and are, thus, a more useful tool than correlations. We will start with a short presentation of the most important properties of copulas, ...
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Determination of the gas diffusion coefficient of a peat grassland soil
... after drought in response both to increased aeration (potential for aerobic microorganism activity) and a greater air-filled porosity, leading to increased gaseous transport through the soil profile (Freeman et al., ...
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Identification of the diffusion coefficient in a nonlinear parabolic PDE and numerical
... the diffusion in a semi-linear parabolic ...The diffusion is obtained by solving an optimal control ...for approximating the gradient of the ...
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Evolution of Apparent Diffusion Coefficient, Diffusion weighted, and T2 weighted Signal Intensity of Acute Stroke
... Conclusion This study documents the natural evolution of ADC CONV , ADC FLAIR , SI DWI , SI FLAIR , and SI T2 in acute stroke patients. These data help further clarify the time course of stroke evolution, which may have ...
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On the numerical solution of Fisher’s equation with coefficient of diffusion term much smaller than coefficient of reaction term
... 3.1 Modified monitor function The modified monitor function is constructed to give a great nodal density and hence a better accuracy at the wave front. It has been shown by Hagstrom and Keller [15] and Gazdag and Canosa ...
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Determination of the diffusion coefficient of sucrose in water and its hydrodynamic radius
... the diffusion coefficient can be used to determine not only quantitative transport properties of a solute but also certain structural characteristics of the solute in a given solvent ...the diffusion ...
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Hyperglycemia and the Fate of Apparent Diffusion Coefficient–Defined Ischemic Penumbra
... Despite these limitations, this study confirmed the signifi- cance of ADC-based prediction, which is an entirely noninvasive method of assessment of the cerebral ischemic penumbra. The study also confirms that strict ...
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Hemoglobin S Polymerization Effect on Water Self Diffusion Coefficient
... the effective transversal relaxation time and the water self-diffu- sion coefficient are evaluated during hemoglobin S ...The effective transversal relaxation time decreases around 40%, which can be ...
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Approximating clustering-coefficient and transitivity
... clustering- coefficient which also gives very efficient approximation algorithms for the clustering-coefficient and the ...clustering- coefficient, respectively with running time in O(n) for the ...
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On numerically effective log canonical divisors
... d i ∆ i be a Q -divisor with 0 ≤ d i ≤ 1 on X such that the log canonical divisor K X + ∆ is Q -Cartier. We call (X, ∆ ) a log pair. Let D be a numerically effective (NEF) Q -Cartier Q -divisor on X. We define the ...
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Diffusion Coefficient Perry
... In this table are a representative selection of diffusion coefficients. The subsection “Prediction and Correlation of Physical Properties” should be consulted for estimation techniques. As general references, the ...
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Characterization of the diffusion coefficient of blood.
... Another limitation is that blood composition differs between different types of blood vessels. Apart from changes in oxygen and carbon dioxide concentrations, hematocrit (43) and erythrocyte volume (44) differ between ...
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A Search for MRI diffusion coefficient standards
... 16 The diffusion gradient must be one-dimensional (1D), linear, and well characterized. D is often determined. A detailed scientific description of the PGSE sequence can be very lengthy without analogies. The race ...
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264756785-liquid-diffusion-coefficient-experiment.pdf
... the diffusion and there is no bulk motion, because of that diffusion is a slow ...In diffusion when species B is stationary-solvent and species A (solute) moves through high concentration to low ...
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Diffusion Coefficient Full Report Tiqa
... on diffusion coefficients and gaining familiarity with the use of laboratory instruments to achieve accurate measurements of data required for industrial process ...
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Diffusion Coefficient for Sublimation Diffusion Of Disperse Dye using Error Function
... sublimation diffusion of disperse dye from paste into PET film was performed by using a film roll ...the diffusion equation for the diffusion in a semi-infinite ...the diffusion ...
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Determination of effective diffusion coefficient of immobilized Baker's yeast invertase in various concentration of PVA-alginate matrix
... *ith tllElt i@"tali*dilVArIsiDi.eirii.. c.rtubwa qdFlt1r Medif,Flg!).ltsirg: ,'arrdlgrdX.6dtstLta.[r] ...
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