Showing 3,241 - 3,260 results of 5,125 for search '"diffusion"', query time: 0.06s Refine Results
  1. 3241

    Effect of the Boron Powder on Surface AISI W2 Steel: Experiments and Modelling by Marco Antonio Doñu Ruiz, David Sánchez Huitron, Ernesto David Garcia Bustos, Víctor Jorge Cortés Suárez, Noé López Perrusquia

    Published 2021-01-01
    “…A mathematical model of the growth kinetics of the single layer was proposed and boron diffusion coefficient was determined by mass balance equation. …”
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  2. 3242

    Analysis of the Coupling Coordination and Spatiotemporal Evolution of High-Tech Industrial Technological Innovation and Regional Economic Development by Xu-Mei Yuan, Fu-Li Wei, Hui Li, Ying An

    Published 2022-01-01
    “…The number of provinces (cities) with low coupling coordination degree is much larger than that with high coupling coordination degree, showing a serious imbalance of regional heterogeneity and forming two spatial aggregation areas of “high-high” diffusion effect and “low-low” low-speed growth.…”
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  3. 3243

    Treatment and Effect of Loess Metro Tunnel under Surrounding Pressure and Water Immersion Environment by Lixin Wang, Chenghan Li, Junling Qiu, Ke Wang, Tong Liu, Heng Li

    Published 2020-01-01
    “…To deal with the water inrush disaster of the tunnel in a collapsible loess stratum, the mechanism of grouting diffusion in the loess stratum is analyzed. It is found that the main influencing factors of the grouting effect are the radius of the grouting ring and the permeability coefficient of the grouting ring. …”
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  4. 3244

    Influencing Factors and Clustering Characteristics of COVID-19: A Global Analysis by Tianlong Zheng, Chunli Zhang, Yueting Shi, Debao Chen, Sheng Liu

    Published 2022-12-01
    “…Results showed that the extreme random forest regression (ERFR) model had the best performance, and factors such as population density, ozone, median age, life expectancy, and Human Development Index (HDI) were relatively influential on the spread and diffusion of COVID-19 in the ERFR model. In addition, the epidemic clustering characteristics were analyzed through the spectral clustering algorithm. …”
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  5. 3245

    Preparation, characterization and phenol adsorption capacity of activated carbons from African beech wood sawdust by N.T. Abdel-Ghani, G.A. El-Chaghaby, F. Helal

    Published 2016-05-01
    “…The adsorption of phenol on African beech sawdust activated carbons was found to follow the Lagergren first order kinetics and the intraparticle diffusion mechanism gave a good fit to the experimental data. …”
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  6. 3246

    A sector fast encryption algorithm for color images based on one-dimensional composite sinusoidal chaos map. by Ye Tao, Wenhua Cui, Shanshan Wang, Yayun Wang

    Published 2025-01-01
    “…This greatly improves encryption speed. When diffusing, changing the value of one pixel can affect the values of multiple subsequent pixels. …”
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  7. 3247

    Comprehensive CT Evaluation in Acute Ischemic Stroke: Impact on Diagnosis and Treatment Decisions by Askell Löve, Roger Siemund, Gunnar Andsberg, Mats Cronqvist, Stig Holtås, Isabella Björkman-Burtscher

    Published 2011-01-01
    “…In some cases CT angiography revealed the cause of stroke while CT perfusion located and graded the perfusion defect with reasonable accuracy, confirmed by follow-up MR-diffusion. In the presented cases findings of the comprehensive CT examination influenced the treatment strategy. …”
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  8. 3248

    Resveratrol-loaded PCL-PEG/GO/HAP biocomposite bone membranes: Evaluation of mechanical properties, release kinetics, and cellular response by Betül Meryem Arpacay, Fatih Ciftci, Ali Can Özarslan, Mustafa Unal, Mine Kucak, Aslihan Yelkenci

    Published 2025-02-01
    “…The release kinetics of RSV was evaluated by using Franz diffusion cells and compared with various kinetic models, including Korsmeyer-Peppas, Higuchi, and Baker, all of which showed high correlation coefficients ( R ²) close to 0.99. …”
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  9. 3249

    Microwave-assisted selective leaching behavior of calcium from Basic Oxygen Furnace (BOF) slag with ammonium chloride solution by Zhang X., Ma G., Tong Z., Xue Z.

    Published 2017-01-01
    “…The non-isothermal leaching reactions are controlled by internal diffusion and the apparent activate energies are estimated to be 6.9-26.5 kJ/mol.…”
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  10. 3250

    Design and Development of a Bespoke Rotary Friction Welding Machine in Exploration of Joining Dissimilar Materials for Nuclear Applications by Michail Dellepiane, Laurie Da Silva, Athanasios Toumpis

    Published 2025-01-01
    “…Results show a change in the hardness along the weld interface and evidence of metallic diffusion between the dissimilar materials, demonstrating the successful application of the small-scale experimental setup.…”
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  11. 3251

    Inhibition of Staphylococcus aureus α-Hemolysin Production Using Nanocurcumin Capped Au@ZnO Nanocomposite by Majid S. Jabir, Taha M. Rashid, Uday M. Nayef, Salim Albukhaty, Faizah A. AlMalki, Jawaher Albaqami, Amal A. AlYamani, Zainab J. Taqi, Ghassan M. Sulaiman

    Published 2022-01-01
    “…In addition, the ability of NPs as a promising antibacterial agent was tested against Staphylococcus aureus through the agar well diffusion method and AO/EtBr staining assay. The results showed that the prepared nanoparticles (Cur-Au@ZnO) served as an antibacterial agent and can destroy the bacterial cells by losing the cell wall integrity and penetrating the cytoplasmic membrane. …”
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  12. 3252

    Dynamics of particulate emissions in the presence of autonomous vehicles by Briani Maya, Denaro Christopher Anthony, Piccoli Benedetto, Rarità Luigi

    Published 2025-01-01
    “…Using a system of ordinary differential equations modeling the principal chemical reactions in the atmosphere, it is proved that wave dampening implies a significant decrease in PM emissions at ground level. The horizontal diffusion of the pollutants is estimated by partial differential equations combined with the model for chemical reactions. …”
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  13. 3253
  14. 3254

    Fabrication of pH-Responsive Chitosan/Polyvinylpyrrolidone Hydrogels for Controlled Release of Metronidazole and Antibacterial Properties by Zerihun Feyissa, Gemechu Deressa Edossa, Tariku Bayisa Bedasa, Leta Guta Inki

    Published 2023-01-01
    “…The best-fit Korsmeyer–Peppas model suggests that MTZ release followed diffusion and swelling-controlled time-dependent non-Fickian transport related to hydrogel erosion. …”
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  15. 3255

    Electrochemical Performance Measurements of PBI-Based High-Temperature PEMFCs by Javier Parrondo, Chitturi Venkateswara Rao, Sundara L. Ghatty, B. Rambabu

    Published 2011-01-01
    “…Acid-doped poly(2,2′-m-phenylene-5,5′-bibenzimidazole) membranes have been prepared and used to assemble membrane electrode assemblies (MEAs) with various contents of PBI (1–30 wt.%) in the gas diffusion electrode (GDE). The MEAs were tested in the temperature range of 140∘C–200∘C showing that the PBI content in the electrocatalyst layer influences strongly the electrochemical performance of the fuel cell. …”
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  16. 3256

    Hemoglobin Variant (Hemoglobin Aalborg) Mimicking Interstitial Pulmonary Disease by Vasiliki Panou, Peter-Diedrich Mathias Jensen, Jan Freddy Pedersen, Lars Pilegaard Thomsen, Ulla Møller Weinreich

    Published 2014-01-01
    “…The entire study population presented the same physiological anomalies: reduction in diffusion capacity, and abnormalities in PaO2 and p50 values; the latter could not be presented by the arterial blood gas analyzer; furthermore there was concordance between pulse oximetry and arterial blood gas samples regarding saturation. …”
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  17. 3257

    Phosphate valorization by dry chlorination route by Kanari N., Menad N., Diot F., Allain E., Yvon J.

    Published 2016-01-01
    “…Reaction rate of Ca2P2O7 by Cl2+CO+N2 at 950°C is slowed down due to the formation of a CaCl2 liquid layer acting as a barrier for the diffusion of the reactive gases and further reaction progress. …”
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  18. 3258

    Determination the site of antibiotic resistance genes in Escherichia coli isolated From Urinary Tract Infection by Karzan Abdulmuhsin Mohammad, Zirak F. Ahmed, Bayar A Mohammed, Rasti H Saeed

    Published 2018-10-01
    “…The isolates E4, E9, E16, and E17 were resistant to all antibiotics used in the current  study using the disk diffusion method. In contrast, the resistance percentage for all antibiotics ranged between 28-96%. …”
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  19. 3259

    Photoelectrochemical Stability and Alteration Products of n-Type Single-Crystal ZnO Photoanodes by I. E. Paulauskas, G. E. Jellison, L. A. Boatner, G. M. Brown

    Published 2011-01-01
    “…Higher doping levels result in smaller depletion widths and lower quantum yields, since the minority carrier diffusion lengths are very short in these materials.…”
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  20. 3260

    Using the Nonuniform Dynamic Mode Decomposition to Reduce the Storage Required for PDE Simulations by Brenton T. Hall, Ching-Shan Chou, Jen-Ping Chen

    Published 2019-01-01
    “…It was shown that the NU-DMD could reduce an advection-diffusion simulation to 6.0075% of its original memory storage size. …”
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