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  1. 401

    Efficiency and bandwidth improvement of integrated acousto-optic modulators using dielectric acoustic reflectors by Huilong Liu, Jiying Huang, Jiantao Jiang, Hongyi Huang, Huipeng Chen, Chengyu Chen, Haiwei La, Huan Li, Xiaochun Xu, Yuping Chen, Zhaohui Li, Lei Wan

    Published 2025-05-01
    “…Introduction of dielectric acoustic reflectors opens a new pathway to the study of efficient and wideband acousto-optic interaction devices.…”
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    Article
  2. 402

    Early Detection of Slight Bruises in Yellow Peaches (<i>Amygdalus persica</i>) Using Multispectral Structured-Illumination Reflectance Imaging and an Improved Ostu Method by Jian Wu, Chenlin Liu, Aiguo Ouyang, Bin Li, Nan Chen, Jing Wang, Yande Liu

    Published 2024-11-01
    “…Herein, this study aims to develop a more simple and efficient structured-illumination reflectance imaging system (SIRI) and algorithms for the early nondestructive detection of slight bruises in yellow peaches. …”
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    Article
  3. 403

    A comprehensive review of diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) techniques in protonic ceramic cells (PCCs): Current status and future perspective by Zixian Wang, Fan Liu, Yuqing Meng, Wenjuan Bian, Haiyan Zhao, Chuancheng Duan, Michael T. Benson, Meng Li, Bin Liu, Dong Ding

    Published 2025-09-01
    “…Protonic ceramic cells (PCCs) have emerged as a promising technology for power generation, energy storage, and value-added chemical synthesis, offering benefits such as fuel flexibility, low emissions, and efficient operation at intermediate temperatures (300–600 ​°C). …”
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    Article
  4. 404

    Do solar green roofs contribute to SDGs, fostering energy efficiency and environmental conservation? by Mohanad M. Ibrahim, Micheal A. William, Aly M. Elharidi, Ahmed A. Hanafy, María Jose Suarez-Lopez

    Published 2024-09-01
    “…<p>The study investigates the energy efficiency of buildings by analyzing the collective advantages of numerous roof enhancement techniques, such as green roofs, solar gardens technologies, reflective paint coatings, and thermal insulation, in different climate regions. …”
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    Article
  5. 405

    Ecological indicators for seagrass meadow status: Adopting efficiency of space occupancy as a reference by Vinita Vijayaraj, Touria Bajjouk, Jérôme Fournier-Sowinski, Élise Lacoste, Vincent Ouisse, Aline Blanchet, Claire Rollet, Nicolas Desroy

    Published 2025-07-01
    “…For Nanozostera noltei (NZN) meadows, the Thau site had the highest efficiency, and the Arcachon site had the lowest. Overall, NZN meadows demonstrated better efficiencies of space occupancy compared to ZM meadows, but both species showed lower efficiencies than the most efficient plants studied worldwide. …”
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    Article
  6. 406

    WaveguideQED.jl: An Efficient Framework for Simulating Non-Markovian Waveguide Quantum Electrodynamics by Matias Bundgaard-Nielsen, Dirk Englund, Mikkel Heuck, Stefan Krastanov

    Published 2025-04-01
    “…These applications include the scattering of single- or two-photon pulses by quantum emitters or cavities, as well as the exploration of non-Markovian dynamics, where emitted photons are reflected back, thereby introducing feedback mechanisms.…”
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    Article
  7. 407
  8. 408

    Are nanophotonic intermediate mirrors really effective in enhancing the efficiency of perovskite tandem solar cells? by Kim Kwangjin, Lee Jieun, Lee Jaewon, Kim Jin-Young, Lee Hae-Seok, Lee Seungwoo

    Published 2025-04-01
    “…An intermediate mirror has been proposed to enhance multijunction solar cell efficiency by selectively reflecting the light beyond higher energy bandgap of top cell, while simultaneously transmitting the rest of lower-energy light. …”
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    Article
  9. 409

    Exploiting Semantic Annotations and Q-Learning for Constructing an Efficient Hierarchy/Graph Texts Organization by Asmaa M. El-Said, Ali I. Eldesoky, Hesham A. Arafat

    Published 2015-01-01
    “…This paper proposes an efficient methodology for constructing hierarchy/graph-based texts organization and representation scheme based on semantic annotation and Q-learning. …”
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    Article
  10. 410

    Evaluation and Influencing Factors of Regional Environmental Efficiency in China Based on Three-Stage Model by Zhou Guanglan, Zhang Zhening

    Published 2024-11-01
    “…Our study is based on panel data of inter-provincial regions in China from 2011 to 2020 and uses a three-stage DEA model to evaluate the level of environmental efficiency, the trend of change and its variability among regions under the same environment, which accurately and objectively reflects the true level of environmental efficiency of each region in China. …”
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    Article
  11. 411

    A Simple and Efficient Method for RSS-AOA-Based Localization with Heterogeneous Anchor Nodes by Weizhong Ding, Lincan Li, Shengming Chang

    Published 2025-03-01
    “…However, these studies typically assume identical measurement noise distributions for different anchor nodes, which may not accurately reflect real-world scenarios with varying noise distributions. …”
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    Article
  12. 412

    A new scheme for evaluating energy efficiency of data compression in wireless sensor networks by Shaoqiang Liu, Yanfang Liu, Xiang Chen, Xiaoping Fan

    Published 2018-05-01
    “…In this formula, energy efficiency can be improved by increasing the compression ratio and decreasing the ratio of s / k , in which k represents the node’s hardware factor related to energy consumption of processor, wireless module, and so on and s represents the software factor that reflects the energy consumption of the algorithm. …”
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  13. 413

    Technical and economic efficiency of the unconventional propulsion units use for civilian aircraft of various purposes by A. R. Polyakov, O. A. Smolyakov, E. A. Ozdoeva, A. M. Neklyudova, V. S. Zakharchenko, А. N. Varyukhin

    Published 2023-05-01
    “…The role of accounting and management accounting data in economic and mathematical models is determined, which makes it possible to qualitatively reflect the economic efficiency of the life cycle of aviation products.…”
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  14. 414
  15. 415

    Simulation-Based Assessment of Evacuation Efficiency in Sports Stadiums: Insights from Case Studies by Chieh-Hsiung Yang, Ching-Yuan Lin, Tzu-Wen Kuo

    Published 2025-05-01
    “…The results indicate that Simulex’s visual dynamic simulation effectively reflects how walking speeds decrease in crowded conditions and how bottlenecks form along evacuation routes. …”
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  16. 416
  17. 417

    Energy Efficiency Measurement Method and Thermal Environment in Data Centers—A Literature Review by Zaki Ghifari Muhamad Setyo, Hom Bahadur Rijal, Naja Aqilah, Norhayati Abdullah

    Published 2025-07-01
    “…The results indicated an average information technology (IT) power usage of 44.8% and a PUE of 2.23, which reflects average efficiency, while passive cooling was found to be more applicable to larger-scale data centers, such as Hyperscale or Colocation facilities. …”
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  18. 418

    Development pathways for low carbon cities in China: A dual perspective of effectiveness and efficiency by Xiangrui Xu, Lu Chen, Xiaoyun Du, Qiaojing Chen, Renpeng Yuan

    Published 2024-12-01
    “…To address this gap, this study employs Back Propagation (BP) Neural Network and three-stage Data Envelopment Analysis (DEA) models to conduct an empirical assessment of LCC performance in 35 mega-cities in China from both effectiveness and efficiency dimensions. The findings reveal that: (1) The dual-perspective evaluation method effectively reflects LCC performance from both process and outcome aspects; (2) In some regions, effectiveness and efficiency yield consistent results, indicating both are either high or low; conversely, in other regions, they exhibit complementarity, with instances of high effectiveness coupled with low efficiency, or vice versa; (3) Temporal analysis indicates a continuous improvement in LCC effectiveness over the study period, while efficiency demonstrates considerable fluctuations; (4) Spatial analysis highlights that cities like Shanghai, Guangzhou, and Shenzhen excel, whereas Taiyuan, Hefei, and Zhengzhou lag behind. …”
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  19. 419
  20. 420

    INCREASING THE EFFICIENCY OF EDUCATIONAL ACTIVITIES OF UNIVERSITIES-PARTICIPANTS OF WORLD-CLASS SCIENTIFIC AND EDUCATIONAL CENTERS by G.V. Surovitskaya

    Published 2025-05-01
    “…The development programs of a number of universities reflect strategic projects aimed at improving the efficiency of educational activities by increasing the level of digital transformation. …”
    Article