Showing 1,001 - 1,020 results of 2,351 for search 'the diffusion efficiency', query time: 0.12s Refine Results
  1. 1001

    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
    “…The effect of the high efficiency particular air (HEPA) filter on contamination control is studied and the proper setting of the speed of the clean air flow is also investigated. …”
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    Article
  2. 1002

    Using Hybrid Neural Networks to Improve Traffic Prediction and Congestion Management by Ali Abd Samir

    Published 2025-04-01
    “…The proposed Materials and methods integrates Diffusion Convolutional Recurrent Neural Network (DCRNN) with graph-based models, allowing information to be shared among related sensors over large distances. …”
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    Article
  3. 1003

    Principal networks. by Jonathan D Clayden, Michael Dayan, Chris A Clark

    Published 2013-01-01
    “…Graph-theoretic measures of network cost and efficiency may be calculated separately for each principal network. …”
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    Article
  4. 1004

    An Image Encryption Algorithm Based on Multichaotic System and DNA Coding by Jiming Zheng, Zheng Luo, Zhirui Tang

    Published 2020-01-01
    “…Compared with other 2D map for image encryption algorithm, this algorithm exhibits good security and holds high efficiency.…”
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    Article
  5. 1005

    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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    Article
  6. 1006

    Neural operator for observer gains and output-feedback control of coupled PDE–ODE systems by Malihe Abdolbaghi, Seyed Amir Hossein Tabatabaei, Mohammad Keyanpour

    Published 2025-08-01
    “…Abstract This paper presents a novel data-driven framework for designing observers and controllers in coupled ODE-PDE systems of reaction-diffusion type. Leveraging the DeepONet architecture as a neural operator, the method directly approximates nonlinear mappings between function spaces, eliminating the need for analytical solutions of kernel equations. …”
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    Article
  7. 1007

    Kinetics and Isotherm Analysis of Cr (VI) Adsorption by Iron-Based Nanoparticles Using Aqueous Saffron Tepal Extract by null Samieh Oliaei, Hasan Oliaei Torshizi

    Published 2025-01-01
    “…Maximum adsorption efficiency Cr (VI) was achieved at pH 2, reaction time 240 min, and Fe NPs dosage 2 g/L. …”
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    Article
  8. 1008

    Exploring Solution Strategies for Volterra Integro-Differential Lane–Emden Equations in Astrophysics Using Haar Scale 3 Wavelets by Ratesh Kumar, Sabiha Bakhtawar, Homan Emadifar

    Published 2024-01-01
    “…These equations have wide-ranging applications in physical sciences, including modeling diffusion phenomena and thermal gradients. We utilize the Volterra integro-differential (VID) form to resolve computational challenges due to singularity issues. …”
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    Article
  9. 1009

    Spatiotemporal distribution of methane concentration from broken coal mass by Sizin Pavel, Zakorshmennyi Iosif, Blokhin Dmitry, Kobylkin Alexander, Dianov Peter

    Published 2025-01-01
    “…The results of numerical experiments demonstrate potential applicability for enhancing operational efficiency in managing technological processes within the boundaries of the longwall face.…”
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  10. 1010

    Characteristics of ultrafine-nano bubbles and its enhancing mechanism for the mineralization reaction of fly ash by Xiwen YIN, Qiuge YU, Xiaodong SUN, Zhichao GAN, Yong CUI, Hairong YUE, Zhihui WANG

    Published 2025-06-01
    “…The main factor affecting the mineralization reaction efficiency in the first stage is the diffusion and dissolution rate of CO2 gas in the slurry. …”
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    Article
  11. 1011

    Influence of temperature and mango pulp thickness on the performance of batch window refractance dryer by Samrawit Kasse Gebeyehu, Aynadis Molla Asemu, Abiy Solomon Haile, Messenbet Geremew Kassa

    Published 2025-06-01
    “…The study examined the dryer’s overall energy efficiency, as well as the drying kinetics and behavior of mango pulp, using thin-layer drying models and Fick’s law of diffusion. …”
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    Article
  12. 1012

    Concave Magnetic-Responsive Hydrogel Discs for Enhanced Bioassays by Amin Ghaffarzadeh Bakhshayesh, Huiyan Li

    Published 2024-12-01
    “…Receptor-based biosensors often suffer from slow analyte diffusion, leading to extended assay times. Moreover, existing methods to enhance diffusion can be complex and costly. …”
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    Article
  13. 1013

    Aspects of Thermal Protection of Machine-Building and Power Equipment: Application of Oxidation-Resistant Combined Nickel-Based Coatings by V. N. Varavka, O. V. Kudryakov, V. I. Grishchenko

    Published 2023-07-01
    “…A Mo sublayer with a thickness of about 1.5 μm on the surface of the copper tube was formed to prevent the diffusion of Cu into the Ni coating. A 1.5 μm thick chromium layer on the coating surface acted as an indicator of the oxidation process. …”
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  14. 1014

    The glymphatic system as a therapeutic target: TMS-induced modulation in older adults by Mark H. Sundman, Yilin Liu, Nan-kuei Chen, Ying-hui Chou, Ying-hui Chou

    Published 2025-07-01
    “…Deficient glymphatic clearance has emerged as a central feature of neurodegenerative disease, which can now be assessed with specialized diffusion magnetic resonance imaging techniques. This study examines changes in the diffusion tensor imaging analysis along the perivascular space (DTI-ALPS) index following theta-burst stimulation (TBS) in older adults with mild cognitive impairment (MCI). …”
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    Article
  15. 1015

    Boosted high-throughput D⁺ transfer from D₂O to unsaturated bonds via Pdδ+ cathode for solvent-free deuteration by Xiu-Feng Zhang, Shi-Nan Zhang, Zhao Zhang, Bing-Liang Leng, Kai-Yuan Lu, Jie-Sheng Chen, Xin-Hao Li

    Published 2025-05-01
    “…Electrochemical deuteration using D₂O is promising, but existing methods still suffer from low Faradaic efficiency (FE) and high separation costs. Herein, we report a deuterium ion diffusion-based all-solid electrolyser, featuring a RuO₂ anode for D+ generation from pure D2O and a Pd/nitrogen-doped carbon-based liquid diffusion cathode (Pdδ+/NC LDC) with tunable electron deficiencies Pdδ+/NC to enhance selective deuteration. …”
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  16. 1016

    Comprehensive Evaluation of the Effects of Hot Air Drying Temperature on the Chemical Composition, Flavor Characteristics and Biological Activity of <i>Houttuynia cordata Thunb.</i... by Ning Yin, Jing Luo, Chaoping Wang, Yaokun Xiong, Yong Sun, En Yuan, Hua Zhang

    Published 2025-05-01
    “…The 50 °C heating temperature was shown to yield the highest diffusion coefficient. Hot-air drying at 50 °C balanced efficiency and sensory quality, whereas 60 °C significantly altered flavor and metabolite composition. …”
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    Article
  17. 1017

    CFD-Guided Design of Non-Uniform Flow Channels in PEMFCs for Waste Heat Utilization in District Heating Networks by Dai Cui, Dong Liu, Peng Yu, Jiayi Li, Zhi Zhou, Meishan Zhang, Qun Chen, Fang Yuan

    Published 2025-04-01
    “…Proton exchange membrane fuel cells (PEMFCs), recognized as promising sources of waste heat for space heating, domestic hot water supply, and industrial thermal applications, have garnered substantial interest owing to their environmentally benign operation and high energy conversion efficiency. Since the uniformity of oxygen diffusion toward catalytic layers critically governs electrochemical performance, this study establishes a three-dimensional, non-isothermal computational fluid dynamics (CFD) model to systematically optimize the cathode flow channel width distribution, targeting the maximization of power output through enhanced reactant homogeneity. …”
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  18. 1018

    DEVELOPMENT OF TECHNOLOGICAL MODES FOR II SATURATION OF SUGAR-CONTAINING SOLUTIONS by V. O. Gorodetsky, S. O. Semenikhin, N. M. Daisheva, N. I. Kotlyarevskaya

    Published 2020-11-01
    “…Insoluble calcium salts are an inevitable negative consequence of the lime-carbon dioxide purification of diffusion juice. With their high content, scale formation on the surfaces of heatexchange equipment is enhanced, resulting  in a decrease in heat transfer efficiency and evaporation equipment performance. …”
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    Article
  19. 1019

    Positive effects of pre-oxidation on high temperature oxidation behavior of TiAl composites with multilayered structure by Junqin Wu, Yupeng Wang, Genhua Zeng, Xiaohong Wang, Lei Li, Meng Li, Tengfei Ma

    Published 2025-07-01
    “…In order to study the pre-oxidation on high temperature oxidation behavior of TiAl composites with high-efficiency, the TiAl composites with multilayered structure were successfully prepared via spark plasma sintering (SPS) by introducing 0.5 wt% BN, 0.5 wt% GO, and 0.3 wt% SiC, respectively. …”
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    Article
  20. 1020

    Incorporation of biochar and semi-interpenetrating biopolymer to synthesize new slow release fertilizers and their impact on soil moisture and nutrients availability by Muhammad Imran Rafique, Mohammad I. Al-Wabel, Abdullah S. F. Al-Farraj, Munir Ahmad, Taieb Aouak, Hamed Ahmed Al-Swadi, Mohammed Awad Mousa

    Published 2025-03-01
    “…Nutrient release kinetics exhibited diffusion and mass transport as the major nutrient release mechanisms, which was confirmed by the best fitted parabolic diffusion and first order kinetics models. …”
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    Article