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1201
Interdiffusion coefficient and atomic mobility for fcc Ag-Cu-Mg phase at 1073 K
Published 2022-01-01“…In this work, the interdiffusion coefficient and atomic mobility for the fcc Ag-Cu-Mg phase at 1073 K were investigated by combining diffusion couple experiments and calculations. Based on the experimental composition profiles, the diffusion coefficients at the intersections of the diffusion paths were calculated using the Matano-Kirkaldy method. …”
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1202
Tradeoffs between the use of improved varieties and agrobiodiversity conservation in the Sahel
Published 2025-01-01“…In the case of groundnut, the diffusion of improved varieties does not displace the other varieties grown in Mali and Niger. …”
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1203
The Effect of Stoichiometry on Hydrogen Embrittlement of Ordered Ni3Fe Intermetallics
Published 2015-01-01“…The effects of Fe stoichiometry on hydrogen embrittlement and hydrogen diffusion in ordered Ni3Fe intermetallics were investigated. …”
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1204
Mathematical Model of Silicon Oxidation in Microelectronics
Published 2006-04-01“…Suitable analytical and numerical solutions based on the diffusion equation have not yet been obtained…”
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1205
DECREASE OF FRICTIONAL SPARK FORMATION OF STEEL ARTICLES BY MEANS OF THE CHEMICAL HEAT TREATMENT PROCESSES
Published 2013-11-01“…The influence of the structure and properties of diffusion-alloys layers to the level of sparking in frictional contact. …”
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1206
Une expérience d’application multimédia à un bassin-versant
Published 2007-09-01“…It also provide a large functional richness and allow an utilization and a quick and large diffusion of the principal results of research.…”
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1207
In Vitro Antioxidant and Antimicrobial Properties of Composite Flour Formulations Developed Using Selected Local Grain Varieties
Published 2024-01-01“…Furthermore, the antimicrobial activities of the flour formulations against selected Gram-positive and Gram-negative pathogenic microorganisms were comparatively evaluated using agar well diffusion and disk diffusion assays. Ethanol and water extracts of the samples were evaluated for their antimicrobial potential. …”
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1208
Investigation of antioxidant, antimicrobial, and enzymatic properties of thermophilic cyanobacteria extracts
Published 2024-12-01“…The DPPH scavenging method was applied to test the antioxidant potential of isolates’ methanol extracts. Agar block diffusion and agar well diffusion methods were used to evaluate the antimicrobial activity and measured in milimeters. …”
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1209
The Kinetics of Joined Action of Triplet-Triplet Annihilation and First-Order Decay of Molecules in T1 State in the Case of Nondominant First-Order Process: The Kinetic Model in th...
Published 2013-01-01“…In this paper the model developed for estimation of the diffusion coefficient of the molecules in the triplet state is presented. …”
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1210
Numerical Simulation of a One-Dimensional Water-Quality Model in a Stream Using a Saulyev Technique with Quadratic Interpolated Initial-Boundary Conditions
Published 2018-01-01“…The one-dimensional advection-diffusion-reaction equation is a mathematical model describing transport and diffusion problems such as pollutants and suspended matter in a stream or canal. …”
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1211
Complex Dynamics of a Ratio-Dependent Predator-Prey Model Induced by Spatial Motion
Published 2021-01-01“…We observe that the frequency diffusion of the prey gives rise to the sparse density of the predator. …”
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1212
Computing and Comparing Effective Properties for Flow and Transport in Computer-Generated Porous Media
Published 2017-01-01“…The permeability and hydraulic tortuosity are computed by solving a set of rescaled Stokes equations obtained by homogenization, and the diffusive tortuosity is computed by solving a homogenization problem given for the effective diffusion coefficient that is inversely related to diffusive tortuosity. …”
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1213
Multicomponent Lattice Boltzmann Simulations of Gas Transport in a Coal Reservoir with Dynamic Adsorption
Published 2018-01-01“…The effective diffusion coefficient is introduced to the model of gas transport in the porous media. …”
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1214
An Experimental Study on the Reinforcement of Silt with Permeable Polyurethane by Penetration Grouting
Published 2020-01-01“…The results showed that, with the increase in the grouting pressure, the diffusion speed rose, and the diffusion pattern of grout in the soil also changed from permeation diffusion to permeation splitting. …”
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1215
Mechanism of Fire Prevention with Liquid Carbon Dioxide and Application of Long-Distance Pressure-Holding Transportation Technology Based on Shallow Buried and Near-Horizontal Goaf...
Published 2021-01-01“…Under the influence of reverse wind flow and self-expansion and diffusion, the diffusion radius of the goaf is 150 m, and the maximum storage time of gaseous CO2 in the goaf is 27 h. …”
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1216
An Algorithm to Develop Lumped Model for Gunn-Diode Dynamics
Published 1998-01-01“…A nonlinear lumped model can be developed for Gunn-Diodes to describe the diffusion effects as the domain travels from cathode to anode of a Gunn-Diode. …”
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1217
Speckle Noise Removal by Energy Models with New Regularization Setting
Published 2020-01-01“…In this paper, we introduce two novel total variation models to deal with speckle noise in ultrasound image in order to retain the fine details more effectively and to improve the speed of energy diffusion during the process. Firstly, two new convex functions are introduced as regularization term in the adaptive total variation model, and then, the diffusion performances of Hypersurface Total Variation (HYPTV) model and Logarithmic Total Variation (LOGTV) model are analyzed mathematically through the physical characteristics of local coordinates. …”
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1218
The Inverse Problem of Identification of Hydrogen Permeability Model
Published 2018-01-01“…One had to estimate the parameters of diffusion and sorption to numerically model the different scenarios and experimental conditions of the material usage (including extreme ones). …”
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1219
Evolutionary Game Mechanism on Complex Networks of Green Agricultural Production under Intensive Management Pattern
Published 2020-01-01“…The diffusion of green agricultural production under intensive management pattern is an interactive process of strategy comparison and learning on complex networks among traditional farmers and new agricultural operation entities. …”
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1220
A quasi-linear parabolic system of chemotaxis
Published 2006-01-01“…We consider a quasi-linear parabolic system with respect to unknown functions u and v on a bounded domain of n-dimensional Euclidean space. We assume that the diffusion coefficient of u is a positive smooth function A(u), and that the diffusion coefficient of v is a positive constant. …”
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