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661
Diffusion MRI-based analysis of functional alterations of the glymphatic system in children with non-lesional epilepsy
Published 2025-03-01“…Objective: Based on diffusion tensor imaging (DTI) data, we used DTI-analysis along the perivascular space (DTI-ALPS) and free-water mapping to investigate the function of the glymphatic system and its relationship with clinical features among pediatric patients with magnetic resonance imaging (MRI)-negative non-lesional epilepsy (NLE). …”
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662
Thermodynamic, diffusion and precipitation behaviors in Cu–Ni–Si–Co alloys: Modeling and experimental validation
Published 2025-03-01“…In this paper, a comprehensive study on the thermodynamic, diffusion, and precipitation behavior of Cu–Ni–Si–Co alloy was conducted by combining modeling and experimental techniques. …”
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663
Stability of Exact and Discrete Energy for Non-Fickian Reaction-Diffusion Equations with a Variable Delay
Published 2014-01-01“…This paper is concerned with the stability of non-Fickian reaction-diffusion equations with a variable delay. It is shown that the perturbation of the energy function of the continuous problems decays exponentially, which provides a more accurate and convenient way to express the rate of decay of energy. …”
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664
Time-Delayed Feedback Control of a Hydraulic Model Governed by a Diffusive Wave System
Published 2020-01-01“…This paper is concerned with the feedback flow control of an open-channel hydraulic system modeled by a diffusive wave equation with delay. Firstly, we put forward a feedback flow control subject to the action of a constant time delay. …”
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665
La diffusion de l’Internet en Côte d’Ivoire. Obstacles et implications
Published 2012-10-01Subjects: Get full text
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666
Local time statistics and permeable barrier crossing: From Poisson to birth-death diffusion equations
Published 2025-01-01“…We employ Feynman-Kac theory to derive and solve a set of governing birth-death diffusion equations and extend them to the case when barrier permeability is constant and asymmetric. …”
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667
Hopf bifurcation analysis in a diffusive predator-prey system with delay and surplus killing effect
Published 2018-05-01Subjects: “…diffusive predator-prey system…”
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668
Retrospective study of the frequency of diagnosing diffuse changes in the liver parenchyma according to the results of radiological studies
Published 2024-12-01“…Objective: to evaluate the incidence rate of structural diffuse changes in the liver using radiological methods in different sex-age groups of the adult population. …”
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669
Ab initio machine-learning unveils strong anharmonicity in non-Arrhenius self-diffusion of tungsten
Published 2025-01-01“…The successful applications underscore the attainability of an accurate ab initio diffusion database.…”
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670
Chaotic image encryption algorithm based on single image local scrambling and dynamic feedback diffusion
Published 2016-11-01Subjects: Get full text
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671
A Comparative Study of Fractional-Order Diffusion Model within Atangana-Baleanu-Caputo Operator
Published 2022-01-01“…We provided two different approaches for solving fractional-order diffusion equations in this article. The fractional Atangana-Baleanu derivative operator in addition to the Laplace transform is used to generate several new approximate-analytical solutions to the time-fractional diffusion equations. …”
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672
A Mixed Discontinuous Galerkin Approximation of Time Dependent Convection Diffusion Optimal Control Problem
Published 2017-01-01“…In this paper, we investigate a mixed discontinuous Galerkin approximation of time dependent convection diffusion optimal control problem with control constraints based on the combination of a mixed finite element method for the elliptic part and a discontinuous Galerkin method for the hyperbolic part of the state equation. …”
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673
Numerical simulation of leakage and diffusion of buried pure hydrogen/hydrogen-doped natural gas pipeline
Published 2023-10-01Subjects: Get full text
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674
Optimal Trade Execution under Jump Diffusion Process: A Mean-VaR Approach
Published 2018-01-01“…To introduce this information impact, our paper proposes a Jump Diffusion model for optimal execution problem. The jumps in our model are described by the compound Poisson process where random jump amplitude depicts the information impact on price process. …”
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675
Global Attractivity of Positive Periodic Solution for a Delayed Predator-Prey System with Diffusion and Impulses
Published 2014-01-01“…By constructing a suitable Lyapunov functional, the global attractivity of positive periodic solutions for a delayed predator-prey system with diffusion and impulses is studied in this paper. Finally, an example and numerical analysis are given to show the effectiveness of the main results.…”
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676
Evaluation of treatment for diffuse large B-cell lymphoma using plasma D-dimer levels
Published 2025-01-01“…Abstract It has been documented that D-dimer levels have potential utility as a measure of tumor activity in diffuse large B-cell lymphoma (DLBCL), however whether it can be used as a predictive marker of treatment outcome has not been established. …”
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677
Investigation of the Structural Characteristics of the Gas Diffusion Layer Using Micro-X-Ray Computed Tomography
Published 2025-01-01Subjects: Get full text
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678
A Strongly A-Stable Time Integration Method for Solving the Nonlinear Reaction-Diffusion Equation
Published 2015-01-01“…The semidiscrete ordinary differential equation (ODE) system resulting from compact higher-order finite difference spatial discretization of a nonlinear parabolic partial differential equation, for instance, the reaction-diffusion equation, is highly stiff. Therefore numerical time integration methods with stiff stability such as implicit Runge-Kutta methods and implicit multistep methods are required to solve the large-scale stiff ODE system. …”
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679
Just Adaptation? How the Diffusion of Norms in the Global Climate Regime Affects International Climate Politics
Published 2009-10-01“…The article shows how the diffusion of norms and changing images of climate change have shifted the interests of the actors under the UN Framework Convention on Climate Change. …”
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680
Diffusion kinetics of boron in the X200CrMoV12 high-alloy steel
Published 2015-01-01Subjects: Get full text
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