Showing 1,381 - 1,400 results of 2,351 for search 'Diffusivity efficiency', query time: 0.08s Refine Results
  1. 1381

    The NaBH4 Reduction and pH Effects on the Optical Property of Bismuth Vanadate by Riapanitra Anung, Julian Haryanto Michael, Setyaningtyas Tien, Riyani Kapti, Nur Handayani Santi

    Published 2025-01-01
    “…Optical absorption data using a UV-visible diffuse reflectance spectrophotometer showed that the reduction process increases the maximum absorption edge to 575 nm and reduces the band gap energy to 2.78 eV at high pH. …”
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    Article
  2. 1382

    Removal of Fluoride from Drinking Water by Sorption Using Diatomite Modified with Aluminum Hydroxide by Tesfaye Akafu, Achalu Chimdi, Kefyalew Gomoro

    Published 2019-01-01
    “…The low correlation coefficient value of R2 = 0.596 for the intraparticle diffusion model indicates that the intraparticle diffusion model does not apply to the present studied adsorption system. …”
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    Article
  3. 1383

    Application of nano-pico geotechnics and nano-pico heritage spray techniques for restoring and protecting historical brick buildings by Reza Biabani, Hamed Niroumand, Maryam Afsharpour, Mona Khaksar

    Published 2025-08-01
    “…By reducing the number and size of pores and making the diffusion path more tortuous, the nanoparticle treatment can increase the water vapor diffusion resistance of the brick. …”
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    Article
  4. 1384

    Performance prediction method of multi-stage steam ejector system in high-altitude simulation test by Lide Chao, Hongjie Guo, Yong Xu, Yunqin He, Guozhu Liang

    Published 2025-05-01
    “…The analysis is based on the assumption of constant-pressure mixing, considering that the steam and engine exhaust gas start mixing at a certain position in the cylindrical section of the second-throat ejector diffuser. An active ejecting scheme combining a rocket engine, a supersonic engine diffuser, and a four-stage MSSES was employed. …”
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    Article
  5. 1385

    Features of social-psychological rehabilitation of sportsmen-paralympians specialized in powerlifting by О. V. Sheviakov, E. Yu. Doroshenko, Ye. L. Mykhaliuk, V. V. Prykhodko, І. М. Liakhova, O. K. Nikanorov, S. M. Malakhova, А. М. Hurieieva

    Published 2020-02-01
    “…The significant positive relationship between diffuse loneliness and the emotional type of character accentuation in an athlete was proved. …”
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  6. 1386

    Preparation of quaternary ammonium-modified silica and its adsorption of vanadium(V) by ZHANG Cuihong, WANG Jing, WANG Jie, YUAN Wenjiao

    Published 2025-01-01
    “…The pseudo-second-order reaction kinetics and Langmuir adsorption isotherm model indicated that the process of adsorbing vanadium(Ⅴ) by SiO2@DMOA was a surface monolayer chemical adsorption process, and the intra-particle diffusion model and Boyd model demonstrated that liquid film diffusion was the main limiting rate of this adsorption process. …”
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  7. 1387

    Enhanced photocatalytic degradation of methylene blue using zinc vanadate nanomaterials with structural and electrochemical properties by N. Matinise, N. Botha, A. Fall, M. Maaza

    Published 2025-07-01
    “…The results demonstrated an impressive degradation efficiency, reaching 87% removal of MB at pH 5.0 after 120 min of exposure to visible light. …”
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  8. 1388

    White Matter Fiber Tracking Method with Adaptive Correction of Tracking Direction by Qian Zheng, Kefu Guo, Yinghui Meng, Jiaofen Nan, Lin Xu

    Published 2024-01-01
    “…The deterministic fiber tracking method has the advantage of high computational efficiency and good repeatability, making it suitable for the noninvasive estimation of brain structural connectivity in clinical fields. …”
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  9. 1389

    Analysis of casson nanofluid transport rates near a vertical stretching sheet with dissipation and slip effects by Tadesse Walelign

    Published 2025-03-01
    “…Hence, the present study will contribute in not only supplementing the theoretical gaps for the scientific community but also improving the working efficiency of practical flow systems in manufacturing industries and the quality of their products.PurposeThis study mainly focused on examining the rates of hydromagnetic transport phenomena of Casson nanofluid near a vertical surface in the presence of slip, dissipation, and cross-diffusion effects. …”
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  10. 1390

    Hydraulic River Models From ICESat‐2 Elevation and Water Surface Slope by Aske Folkmann Musaeus, Cécile Marie Margaretha Kittel, Jakob Luchner, Monica Coppo Frias, Peter Bauer‐Gottwein

    Published 2024-06-01
    “…The final model achieves a root mean square error against the ICESat‐2 WSE of 0.676 m and average Kling‐Gupta Efficiency against gauging station time series of 0.880. …”
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  11. 1391

    Advances in Deep Learning for Semantic Segmentation of Low-Contrast Images: A Systematic Review of Methods, Challenges, and Future Directions by Claudio Urrea, Maximiliano Vélez

    Published 2025-03-01
    “…It tackles primary challenges, such as diffuse boundaries and regions with similar pixel intensities, which limit conventional methods. …”
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    Article
  12. 1392

    Enhanced image hash using cellular automata with sponge construction and elliptic curve cryptography for secure image transaction by M. Mohammed Ibrahim, R. Venkatesan, Nasir Ali, Muhammad Imran Qureshi, Hafiz Muhammad Afzal Siddiqui, Fikadu Tesgera Tolasa, Suhad Ali Osman Abdallah

    Published 2025-04-01
    “…Most of the existing hash algorithms cannot meet the requirements of security, efficiency, and adaptability in cryptographic applications based on an image. …”
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    Article
  13. 1393

    Probability Density Evolution and Reliability Analysis of Gear Transmission Systems Based on the Path Integration Method by Hongchuan Cheng, Zhaoyang Shi, Guilong Fu, Yu Cui, Zhiwu Shang, Xingbao Huang

    Published 2025-06-01
    “…This method constructs an efficient probability density evolution framework by combining the path integration method, the Chapman–Kolmogorov equation, and the Laplace asymptotic expansion method. …”
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  14. 1394

    Synergistic corrosion inhibition and controlled release of ascorbic acid from a layered double hydroxide composite for stainless steel by Amal Abdouli, Mohamed Amine Djebbi, Abdesslem Ben Haj Amara

    Published 2025-07-01
    “…Kinetic analyses demonstrated that the release of AA followed a non-Fickian diffusion mechanism, ensuring prolonged protection. …”
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  15. 1395

    Intelligent agent orchestration for climate-resilient energy systems: Autonomous management of renewable integration and distributed resources by Kravari Kalliopi, Roussi Maria, Ladomenou Kalliopil, Thysiadou Anna, Chalaris Michail

    Published 2025-01-01
    “…Achieving aggressive greenhouse gas emission goals necessitates a radical change in our energy systems towards a swift transition towards renewable energy sources (RES) and distributed energy resources (DERs) diffusion. However, the intermittent nature of RES and decentralized characteristics of DERs pose challenges in the context of grid stability, efficiency of optimising energy consumption, and increasing climate resilience against weather-related effects. …”
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  16. 1396

    Impregnation of ZnO onto a Vegetal Activated Carbon from Algerian Olive Waste: A Sustainable Photocatalyst for Degradation of Ethyl Violet Dye by Ala Abdessemed, Shivatharsiny Rasalingam, Sanna Abdessemed, Kamel El Zin Djebbar, Ranjit Koodali

    Published 2019-01-01
    “…The synthesized AC-ZnO material was characterized using powder X-ray diffraction, BET surface area measurements, Raman microscopy, thermogravimetric analysis, UV-visible diffuse reflectance spectroscopy, and zeta potential measurements. …”
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  17. 1397

    Vapour-Phase and Solid-Phase Epitaxy of Silicon on Solid-Phase Crystallised Seed Layers for Solar Cells Application by Wei Li, Sergey Varlamov, Miga Jung, Jialiang Huang

    Published 2014-01-01
    “…Consequently, PC1D modelled minority carrier diffusion length in the vapour-phase grown epilayer is 50% shorter than that in the solid-phase grown epilayer. …”
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  18. 1398

    Two-Layer Security for Image Encryption: A Switched System Approach by Uyen L. P. Nguyen, Long Tonthat, Vo-Tan Phuoc, Lap Luat Nguyen

    Published 2025-01-01
    “…This key matrix is used to diffuse the image pixels from the first layer, providing the second layer of security. …”
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    Article
  19. 1399

    Unsteady Flow Mechanisms of the Stability Improvement for an Optimized Compressor by T. Zhou, Z. X. Liu, X. J. Li, M. Zhao, Y. J. Zhao, L. C. Xu

    Published 2025-02-01
    “…In this study, a collaborative optimization of the P-S and the impeller-diffuser is firstly carried out. The results show that the optimized compressor exhibits higher efficiency and larger flow stability range than the original and the solid-casing compressors. …”
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  20. 1400

    An Analytical Formula for the Transition Density of a Conic Combination of Independent Squared Bessel Processes with Time-Dependent Dimensions and Financial Applications by Nopporn Thamrongrat, Chhaunny Chhum, Sanae Rujivan, Boualem Djehiche

    Published 2025-06-01
    “…The proposed formulas provide a unified analytical framework for modeling and computation involving a broad class of time-inhomogeneous diffusion processes. The accuracy and computational efficiency of our formulas are verified through Monte Carlo simulations. …”
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    Article