Showing 361 - 380 results of 2,351 for search 'the diffusion efficiency', query time: 0.11s Refine Results
  1. 361
  2. 362

    Use of Electrochemical Impedance Spectroscopy for the Evaluation of Performance of PEM Fuel Cells Based on Carbon Cloth Gas Diffusion Electrodes by Saverio Latorrata, Renato Pelosato, Paola Gallo Stampino, Cinzia Cristiani, Giovanni Dotelli

    Published 2018-01-01
    “…Polymer electrolyte membrane fuel cells (PEMFCs) have attracted great attention in the last two decades as valuable alternative energy generators because of their high efficiencies and low or null pollutant emissions. In the present work, two gas diffusion electrodes (GDEs) for PEMFCs were prepared by using an ink containing carbon-supported platinum in the catalytic phase which was sprayed onto a carbon cloth substrate. …”
    Get full text
    Article
  3. 363

    Validation of a closed-form solution to Fick’s diffusion laws for non-steady state sorption by a plane sheet by Michael Brilz, Senmiao Zhang, Holger Hoche, Matthias Oechsner

    Published 2025-09-01
    “…Fick's second law is a partial differential equation that describes the time-dependent concentration distribution of a diffusing species. It is fundamental to fields like environmental and materials engineering. …”
    Get full text
    Article
  4. 364

    Typological Transcoding Through LoRA and Diffusion Models: A Methodological Framework for Stylistic Emulation of Eclectic Facades in Krakow by Zequn Chen, Nan Zhang, Chaoran Xu, Zhiyu Xu, Songjiang Han, Lishan Jiang

    Published 2025-06-01
    “…The findings indicate that this synergy enables data-efficient, typology-grounded stylistic emulation, highlighting AI’s potential as a creative partner for nuanced reinterpretation. …”
    Get full text
    Article
  5. 365

    A Real‐Time Prediction System of the Intensity of Solar Energetic Proton Events Based on a Solution of the Diffusion Equation by Y. Zhang, Y. Wang, X. Li, P. B. Zuo

    Published 2024-08-01
    “…Abstract In this study, based on solar energetic particle (SEP) events classification and a solution of the diffusion equation, we present an efficient system, HITSEP, to predict the intensities in different energy channels (P4 15.0–44.0 MeV, P5 40.0–80.0 MeV, and P6 80.0–165.0 MeV) of energetic proton events observed by GOES spacecraft. …”
    Get full text
    Article
  6. 366

    CBCT-to-CT synthesis using a hybrid U-Net diffusion model based on transformers and information bottleneck theory by Can Hu, Ning Cao, Xiuhan Li, Yang He, Han Zhou

    Published 2025-03-01
    “…In this study, we propose a hybrid U-Net diffusion model (HUDiff) based on Vision Transformer (ViT) and the information bottleneck theory to improve CBCT image quality. …”
    Get full text
    Article
  7. 367

    Explicit and explainable artificial intelligent model for prediction of CO2 molecular diffusion coefficient in heavy crude oils and bitumen by Saad Alatefi, Okorie Ekwe Agwu, Ahmad Alkouh

    Published 2024-12-01
    “…Overall, the outcomes of this study contribute to the efficient prediction of CO2 diffusivity in heavy crude oil and bitumen.…”
    Get full text
    Article
  8. 368

    A Fractional Time–Space Stochastic Advection–Diffusion Equation for Modeling Atmospheric Moisture Transport at Ocean–Atmosphere Interfaces by Behrouz Parsa Moghaddam, Mahmoud A. Zaky, António Mendes Lopes, Alexandra Galhano

    Published 2025-03-01
    “…This study introduces a novel one-dimensional Fractional Time–Space Stochastic Advection–Diffusion Equation that revolutionizes the modeling of moisture transport within atmospheric boundary layers adjacent to oceanic surfaces. …”
    Get full text
    Article
  9. 369
  10. 370
  11. 371

    Field investigation of efficient thermal conductivity of snow cover on Spitsbergen by N. I. Osokin, A. V. Sosnovsky

    Published 2015-03-01
    “…This paper presents results of field investigations of coefficient of efficient thermal conductivity of snow with different structures and densities. …”
    Get full text
    Article
  12. 372

    Ultrasound‐Assisted for Super‐Rapid and High‐Efficient Adsorption and Desorption by Yijun Han, Quanjie Lv, Linxuan Zhang, Yuruo Zhang, Xinyue Yu, Yongjie Wu, Jing Chu, Gengxin Zhang, Kang Sun, Ke Tao

    Published 2025-08-01
    “…It is proposed that, under ultrasound, the low interface tension of PVDF‐HFP may accelerate solute diffusion by disrupting the liquid film, while the ferroelectric PVDF‐HFP generates a built‐in electric field to enhance adsorption. …”
    Get full text
    Article
  13. 373

    Synergistic water production by a combined atmospheric water generator and distillation powered by solar energy: a numerical analysis for Iran by Sajad Saadi, Shiva Gorjian, Barat Ghobadian, Saeid Minaei

    Published 2025-09-01
    “…This study presents a comprehensive parametric analysis of a synergistic solar-powered freshwater harvesting system that integrates a triple-effect vertical diffusion solar still (TEVDSS) and an atmospheric water generator (AWG) to optimize water production across diverse Iranian climatic conditions. …”
    Get full text
    Article
  14. 374

    PVDF-based functional composites for efficient degradation of methylene blue by Swayam Aryam Behera, Binita Nanda, P.Ganga Raju Achary

    Published 2025-08-01
    “…The optimized PVDF/PTO 2.5 wt% composite exhibited the highest photocatalytic efficiency, degrading 86.7% of methylene blue (MB) dye within 90 min under visible light irradiation. …”
    Get full text
    Article
  15. 375

    Suppressing the Endogenous Negative Influence Through Node Intervention in Social Networks by Satoshi Furutani, Tatsuhiro Aoshima, Toshiki Shibahara, Mitsuaki Akiyama, Masaki Aida

    Published 2025-01-01
    “…In the past two decades, for efficient viral marketing, many studies on maximizing advertising reach, known as influence maximization, have been conducted in the field of data mining. …”
    Get full text
    Article
  16. 376
  17. 377

    Better Cone-Beam CT Artifact Correction via Spatial and Channel Reconstruction Convolution Based on Unsupervised Adversarial Diffusion Models by Guoya Dong, Yutong He, Xuan Liu, Jingjing Dai, Yaoqin Xie, Xiaokun Liang

    Published 2025-01-01
    “…We propose a new unsupervised CBCT image artifact correction algorithm, named Spatial Convolution Diffusion (ScDiff), based on a conditional diffusion model, which combines the unsupervised learning ability of generative adaptive networks (GAN) with the stable training characteristics of diffusion models. …”
    Get full text
    Article
  18. 378

    Adaptive Stylized Image Generation for Traditional Miao Batik Using Style-Conditioned LCM-LoRA Enhanced Diffusion Models by Qingqing Hu, Yiran Peng, Jing Xu, Zichun Shao, Zhen Tian, Junming Chen

    Published 2025-06-01
    “…To address this issue, we construct the structured CMBP-9 dataset to facilitate semantic-aware image generation. Based on stable diffusion v1.5, Low-Rank Adaptation (LoRA) is used to effectively transfer the structure, sign, and texture features that are unique to the Miao people, and the Latent Consistency model (LCM) is integrated to improve the inference efficiency. …”
    Get full text
    Article
  19. 379
  20. 380

    First-principles calculations for the effect of irradiation-induced point defects on the hydrogen dissolution and diffusion in γ-Al2O3 by Xin-Dong Pan, Xiao-Chun Li, Jing Wang, Rongmei Yu, Chunying Pu, Hai-Shan Zhou, Guang-Nan Luo

    Published 2025-03-01
    “…Therefore, O interstitial atoms can accelerate the diffusion process of H, which can reduce the efficiency of protection against H permeation through γ-Al2O3 TPB. …”
    Get full text
    Article