Showing 2,721 - 2,740 results of 5,125 for search '"diffusion"', query time: 0.06s Refine Results
  1. 2721
  2. 2722

    A New One-Dimensional Chaotic Map and Its Use in a Novel Real-Time Image Encryption Scheme by Radu Boriga, Ana Cristina Dăscălescu, Adrian-Viorel Diaconu

    Published 2014-01-01
    “…Moreover, we present a new image encryption scheme with a classic bimodular architecture, in which the confusion and the diffusion are assured by means of two maps of the previously proposed type. …”
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    Article
  3. 2723
  4. 2724

    Study of Fluoride Affinity by Zirconium Impregnated Walnut Shell Carbon in Aqueous Phase: Kinetic and Isotherm Evaluation by M. Rajan, G. Alagumuthu

    Published 2013-01-01
    “…The kinetic profile has been modeled using pseudo-first-order model, pseudo-second-order model, and intraparticle diffusion model. The kinetic sorption profiles offered excellent fit with pseudo-second-order model. …”
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  5. 2725

    Purinergic Receptors of the Central Nervous System: Biology, PET Ligands, and Their Applications by Hamideh Zarrinmayeh PhD, Paul R. Territo PhD

    Published 2020-06-01
    “…During brain injury or under pathological conditions, rapid diffusion of extracellular adenosine triphosphate (ATP) or uridine triphosphate (UTP) from the damaged cells, promote microglial activation that result in the changes in expression of several of these receptors in the brain. …”
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  6. 2726
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  8. 2728

    The Form of Waiting Time Distributions of Continuous Time Random Walk in Dead-End Pores by Yusong Hou, Jianguo Jiang, J. Wu

    Published 2018-01-01
    “…In this paper, we simulate the diffusion of nonreactive tracer in dead-end pores to explore the waiting time distributions. …”
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  9. 2729
  10. 2730

    Fitted Tension Spline Scheme for a Singularly Perturbed Parabolic Problem With Time Delay by Sisay Ketema Tesfaye, Gemechis File Duressa, Tekle Gemechu Dinka, Mesfin Mekuria Woldaregay

    Published 2024-01-01
    “…The presence of a small parameter ε as a multiple of the diffusion term leads to the suddenly changing behaviors of the solution in the boundary layer region. …”
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  11. 2731

    Application of Statistical Experimental Design and Surface Plot Technique to Optimize Oxygenated Apatite Synthesis by Soumia Belouafa, Hassan Chaair, Khalid Digua

    Published 2020-01-01
    “…A reproducible synthesis of more oxygenated apatite with speed of dissolution adaptable to that of the osseous neoformation and allowing a progressive diffusion of oxygenated species (Ca/P = 1.575) is attained.…”
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  12. 2732
  13. 2733

    Computational Representation of White Matter Fiber Orientations by Adelino R. Ferreira da Silva

    Published 2013-01-01
    “…We present a new methodology based on directional data clustering to represent white matter fiber orientations in magnetic resonance analyses for high angular resolution diffusion imaging. A probabilistic methodology is proposed for estimating intravoxel principal fiber directions, based on clustering directional data arising from orientation distribution function (ODF) profiles. …”
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  14. 2734

    Modeling and Dynamic Analysis in a Hybrid Stochastic Bioeconomic System with Double Time Delays and Lévy Jumps by Chao Liu, Longfei Yu, Luping Wang

    Published 2018-01-01
    “…By using the invariant measure theory and singular boundary theory of diffusion process, existence of stochastic Hopf bifurcation and stochastic stability are investigated. …”
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  15. 2735
  16. 2736

    Numerical and Analytical Simulations of Nonlinear Time Fractional Advection and Burger’s Equations by Hassan Khan, Qasim Khan, Fairouz Tchier, null Ibrarullah, Evren Hincal, Gurpreet Singh, F. M. O. Tawfiq, Shahbaz Khan

    Published 2022-01-01
    “…In this paper, the higher nonlinear problems of fractional advection-diffusion equations and systems of nonlinear fractional Burger’s equations are solved by using two sophisticated procedures, namely, the q-homotopy analysis transform method and the residual power series method. …”
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  17. 2737

    Le développement périurbain du Pays de France : des influences urbaines différenciées by Jean-Baptiste Grison

    Published 2012-10-01
    “…Finally, we can see several spatial trends : radial, frontal, diffusion or divide logics.…”
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  18. 2738

    Cystic Meningioma Simulating Arachnoid Cyst: Report of an Unusual Case by Docampo Jorge, Gonzalez Nadia, Vazquez Claudio, Morales Carlos, Gonzalez-Toledo Eduardo

    Published 2014-01-01
    “…The meningioma shown is predominantly cystic with a small mural nodule enhancing after gadolinium and exhibiting diffusion restriction. Cystic portion of the tumor is hypodense on CT, and evidences fluid signal intensity on T1- and T2-weighted MR imaging.…”
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  19. 2739

    Optimal investment and reinsurance for the insurer and reinsurer with the joint exponential utility by Wuyuan Jiang, Zechao Miao, Jun Liu

    Published 2024-12-01
    “…The surplus process of the insurer is described by a diffusion model. The insurer can purchase proportional reinsurance from the reinsurer and the premium charged by the insurer and reinsurer follows the variance principle. …”
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  20. 2740