Showing 701 - 720 results of 1,627 for search 'diffusion (decomposition OR composition)', query time: 0.16s Refine Results
  1. 701

    Pattern regionali e demografici del Covid-19 durante la prima ondata pandemica in Italia. Proposta di uno studio pilota per l’applicazione della metodologia shift-share alla dinami... by Francesca Silvia Rota, Marco Bagliani, Paolo Feletig

    Published 2021-07-01
    “…The paper presents the experimental attempt to apply the shift-share decomposition technique, mainly used in the economic field to analyse regional differentials, to the growth dynamics of infections during the first wave of the COVID-19 pandemic. …”
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    Article
  2. 702

    Investigation of the Contamination Control in a Cleaning Room with a Moving AGV by 3D Large-Scale Simulation by Qing-He Yao, Qing-Yong Zhu

    Published 2013-01-01
    “…A domain decomposition Lagrange-Galerkin method is employed to approximate the Navier-Stokes equations and the convection diffusion equation; the stiffness matrix is symmetric and an incomplete balancing preconditioned conjugate gradient (PCG) method is employed to solve the linear algebra system iteratively. …”
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    Article
  3. 703

    Interdiffusion coefficient and atomic mobility for fcc Ag-Cu-Mg phase at 1073 K by Du C.-B., Huang S.-P., Min Q.-H., Liu Y.-L., Wen S.-Y.

    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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    Article
  4. 704

    Solid-state NMR at natural isotopic abundance for bioenergy applications by Bennett Addison, Malitha C. Dickwella Widange, Yunqiao Pu, Arthur J. Ragauskas, Anne E. Harman-Ware

    Published 2025-04-01
    “…Understanding of domain miscibility as observed from proton-based spin diffusion effects is a theme throughout. Our aim is to highlight key examples where ssNMR provides valuable insights into the composition, structure, dynamics, and morphology of rigid biomaterials relevant to the bioenergy economy, revealing both the native structures and fundamental transformations that occur across conversion and decomposition pathways. …”
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    Article
  5. 705
  6. 706

    Study of structure features and properties of thermodifusion heat resistant coatings on copper by V. M. Konstantinov, V. G. Dashkevich, I. V. Pletenev

    Published 2021-03-01
    “…The phase composition of the diffusion layers has been investigated, in particular, it has been established that, as a result of aluminization, a heterogeneous structure of the diffusion layer is formed with the participation of Cu3Al and Cu9Al4 aluminides. …”
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    Article
  7. 707

    Detection of Ship Wakes in Dynamic Sea Surface Video Sequences: A Data-Driven Approach by Chengcheng Yu, Yanmei Zhang, Meifang Xiao, Zhibo Zhang

    Published 2024-11-01
    “…In order to enhance the detection of maritime vessel targets, considering the causal relationship between the motion of vessels and their wakes, as well as the characteristics of ship wakes such as large diffusion range and distinctive features, this paper proposes a data-driven method based on Dynamic Mode Decomposition (DMD) for detecting and analyzing ship wakes in sea surface videos. …”
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    Article
  8. 708

    Effects of Mo Layer on the High-Temperature Oxidation Resistance Mechanism of Micro-Melted NiCr Coating on Zirconium Alloys Surface by LIU Gengming, SONG Guoqing, XUE Kanghui, CHEN Yong

    Published 2024-10-01
    “…This indirectly prevented the emergence of diffusion pathways for O and suppressed the formation of diffusion pores for H<sub>2</sub>O. …”
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    Article
  9. 709
  10. 710

    Stimuli-Responsive Hydrogels of Poly(Methacrylic Acid)/Poly(N,N-dimethylacrylamide) Interpenetrating Polymer Networks as Drug Delivery Systems for Promethazine Hydrochloride by Marin Simeonov, Ioanna Yildirim, Christo T. Tzachev, Elena Vassileva

    Published 2025-03-01
    “…The PMH release profiles appeared to follow Fickian diffusion at a stomach-like pH = 1.2 and sub-diffusion mechanism at an intestine-like pH = 6.8. …”
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    Article
  11. 711

    Approximate inertial manifolds for nonlinear parabolic equations via steady-state determining mapping by Yuncheng You

    Published 1995-01-01
    “…Applications of the obtained results to Burgers' equation, higher dimensional reaction-diffusion equations, 2D Ginzburg-Landau equations, and axially symmetric Kuramoto-Sivashinsky equations in annular domains are included.…”
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  12. 712

    Numerical Simulation of the Hydrogen Dispersion Behavior by a Parallel Characteristic Curve Method by Qinghe Yao, Xin Pan, Qingyong Zhu

    Published 2014-01-01
    “…A parallel characteristic curve method is applied in domain decomposition system to simulate the dispersion behavior of hydrogen in this work. …”
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    Article
  13. 713

    Adsorption of Biologically Active Compounds from Aqueous Solutions on to Commercial Unmodified Activated Carbons. Part VI. The Mechanism of the Physical and Chemical Adsorption of... by Artur P. Terzyk

    Published 2004-05-01
    “…The rate of adsorption of acetanilide increased at acidic pH levels. Diffusion was mainly a surface process with the energy of diffusion depending on the chemical composition of the carbon surface and its polarity.…”
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  14. 714

    Wetting of AlN by molten Sn-xSc (x=1, 2 and 3 at.%) alloys at 700–800°C by Ran Sui, Qiaoli Lin

    Published 2025-05-01
    “…Spreading dynamics showed that at low temperatures or with low Sc concentrations, the process is limited by Sn5Sc3 decomposition, whereas at high temperatures, it transitions to Sc diffusion dominance (Diffusion coefficient D ~ 1.19 × 10−10–1.39 × 10−9 m2/s). …”
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  15. 715

    Unintentional Fe incorporation in the homo-epitaxy of GaN on Fe-doped freestanding GaN substrate by Songyuan Xia, Yumin Zhang, Yuanhang Sun, Qizhi Zhu, Wei Liu, Juemin Yi, Junshuai Xue, Jianfeng Wang, Ke Xu

    Published 2025-01-01
    “…The unintentional Fe incorporation in the homo-epitaxy of GaN on Fe-doped freestanding GaN substrate is harmful to the performance of a high-electron-mobility transistor device, but the incorporation mechanism is unclear. The memory effect, diffusion from the Fe-doped GaN substrate to the epilayer, thermal decomposition on the N-face and Ga-face are all considered to find the origin. …”
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    Article
  16. 716

    High-throughput determination of interdiffusivity and atomic mobilities in bcc Ti–Cr–Mo alloys by Hongyu Zhang, Fali Liu, Liyang Fang, Jing Zhong, Weimin Bai, Yuan Yuan, Maohua Rong, Jiang Wang, Ligang Zhang, Libin Liu

    Published 2024-11-01
    “…Scanning electron microscopy (SEM), and Electro Probe Micro-Analysis (EPMA) techniques were used to respectively test its microstructure and composition distance. The diffusion coefficients in bcc Ti–Cr–Mo alloys were determined using the Matano-Kirkaldy method and numerical inverse method respectively. …”
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    Article
  17. 717

    Preparation, Characterization & Biological activity for Some Iron(II) Complexes Containing Mixed Ligands (Benzilazine & Semicarbazone) & Study of Laser Effect on Them by Baghdad Science Journal

    Published 2014-06-01
    “…The activity of all the salt, ligands and complexes have been evaluated by agar plate diffusion techniques against human pathogenic bacterial strains: Staphylococcus aureus, Escherichia coli, Pseudomonas auruginosa, Streptococcus faecalis, Proteus mirabilis and Entero-bacter aerogenes. …”
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    Article
  18. 718

    On the Inverse Problem of the Fractional Heat-Like Partial Differential Equations: Determination of the Source Function by Gülcan Özkum, Ali Demir, Sertaç Erman, Esra Korkmaz, Berrak Özgür

    Published 2013-01-01
    “…The study in this paper mainly concerns the inverse problem of determining an unknown source function in the linear fractional differential equation with variable coefficient using Adomian decomposition method (ADM). We apply ADM to determine the continuous right hand side functions fx and ft in the heat-like diffusion equations Dtαux,t=hxuxxx,t+fx and Dtαux,t=hxuxxx,t+ft, respectively. …”
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  19. 719

    NITROGEN POTENTIAL DURING ION NITRIDING PROCESS IN GLOW-DISCHARGE PLASMA by A. A. Kozlov

    Published 2015-03-01
    “…The paper considers problems on regulation of phase composition of a nitrided layer during gas and ion nitriding process in a glow-discharge. …”
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  20. 720