Showing 3,981 - 4,000 results of 4,630 for search 'shaping efficiency efficient', query time: 0.15s Refine Results
  1. 3981

    Automated Layer-by-Layer Soil Tillage Machine Using a Highly Turbulent Air Jet by B. Kh. Akhalaya, Yu. S. Tsench, N. I. Belyaeva

    Published 2025-07-01
    “…This improves operational efficiency and supports both continuous and row-specific tillage. …”
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    Article
  2. 3982

    Conformal Radiation-Type Programmable Metasurface for Agile Millimeter-Wave Orbital Angular Momentum Generation by Anjie Cao, Tao Ni, Yuhua Chen, Longpan Wang, Zhenfei Li, Xudong Bai, Fuli Zhang, Zhansheng Chen

    Published 2025-01-01
    “…The proposed metasurface could achieve a realized gain of 22.54 dB with an aperture efficiency of 21.75%, thus generating high-purity OAM waves with topological charges of l = 0, l = +1, l = +2, and l = +3. …”
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  3. 3983

    Effects of ventilator tubing corrugation design on condensate accumulation by Ding Yang Hsu

    Published 2025-08-01
    “…However, condensate formation within ventilator tubing remains a persistent challenge that can compromise ventilation efficiency and patient safety. This study investigates whether the shape of ventilator tubing influences the formation of condensate, focusing on its implications for both non-invasive ventilation (NIV) and IMV. …”
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    Article
  4. 3984

    Design Challenges in the Development of a Hydrogen-Fueled Micro Gas Turbine Unit for Energy Generation by Uma Nataraj Gottipati, Angelo Minotti, Vincenzo La Battaglia, Alessandro Giorgetti

    Published 2025-03-01
    “…The energy generator is based on a worldwide patented solution introduced by MIEEG s.r.l. regarding the shape of the chambers. This innovative solution can be used to design a 100% H2-fed microturbine with a high power/weight/volume ratio that works as a range extender of battery packs for a comprehensive, high-efficiency hybrid powertrain. …”
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    Article
  5. 3985

    Carbon Footprint of Additively Manufactured Precious Metals Products by Mario Schmidt, Jochen Heinrich, Ingwar Huensche

    Published 2024-11-01
    “…This study reveals recommended actions for improvements in efficiency and gives guidance for a more sustainable production of luxury or technical goods made from precious metals. …”
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    Article
  6. 3986

    Study on systematic instability and stability control of soft rock slope in open-pit coal mine by Meng HAN

    Published 2025-08-01
    “…Under coordinated mining and controlled mining, the mining efficiency can be improved and the risk of instability can be reduced, which is more advantageous than traditional reinforcement methods.…”
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    Article
  7. 3987

    Preparation and Physicochemical Properties of High-Temperature-Resistant Polymer Gel Resin Composite Plugging Material by Tao Wang, Weian Huang, Jinzhi Zhu, Chengli Li, Guochuan Qin, Haiying Lu

    Published 2025-04-01
    “…Lost circulation has become one of the important problems restricting the speed and efficiency of oil and gas drilling and production. To address severe drilling fluid losses in high-temperature fractured formations during deep/ultra-deep well drilling, this study developed a high-temperature and high-strength gelled resin gel plugging system through optimized resin matrix selection, latent curing agent, flow regulator, filling material, etc. …”
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    Article
  8. 3988

    A Substrate Integrated Waveguide Slotted Antenna by V. G. Koshkid’ko, Ya. O. Galtsov, D. A. Portnykh

    Published 2023-10-01
    “…Slotted waveguide antenna arrays are widely used across centimeter- and millimeter-wavelength ranges due to numerous advantages, including their good directional properties, compact dimensions, flat shape, convenience of power supply, and high efficiency. …”
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    Article
  9. 3989

    Dynamics of a single cavitation bubble near an oscillating boundary by Hemant J. Sagar, Yuxing Lin, Ould el Moctar

    Published 2024-09-01
    “…The method we suggested for the manipulation of bubble dynamics holds potential for enhancing the efficiency of applications such as lithotripsy in biomedical devices, actuation and micro pumping in microfluidic devices, and effective semiconductor surface cleaning. …”
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    Article
  10. 3990

    An Image Processing Approach to Quality Control of Drop-on-Demand Electrohydrodynamic (EHD) Printing by Yahya Tawhari, Charchit Shukla, Juan Ren

    Published 2024-11-01
    “…These stages collectively improve the precision and efficiency of EHD DoD printing analysis in terms of dot size and spacing. …”
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    Article
  11. 3991

    A Lightweight Model for Small-Target Pig Eye Detection in Automated Estrus Recognition by Min Zhao, Yongpeng Duan, Tian Gao, Xue Gao, Guangying Hu, Riliang Cao, Zhenyu Liu

    Published 2025-04-01
    “…The MSCA module enhances small-object detection efficiency, while the PPA and GAM modules improve feature extraction capabilities. …”
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    Article
  12. 3992

    Comparative Analysis of Machine Learning Algorithms and Statistical Techniques for Data Analysis in Crop Growth Monitoring with NDVI by M. Arunachalam, S. Sekar, A. M. Erdmann, V. V. Sajith Variyar, R. Sivanpillai

    Published 2025-03-01
    “…ML methods had greater efficiency in terms of replicating the steps for other fields, whereas ISODATA requires analyst intervention and interpretation.…”
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    Article
  13. 3993

    A Hybrid Attention Mechanism and RepGFPN Method for Detecting Wall Cracks in High-Altitude Cleaning Robots by Haiqiao Liu, Lingding Li, Ya Li, Qing Long, Zhuoyu Chen

    Published 2024-01-01
    “…Then, the neck network incorporated the RepFPN method to improve the descriptive ability of fused multi-scale features and to increase computational efficiency. Public datasets Concrete Crack Images for Classification, Mixed VOC2007, CrackForest-dataset-master, and UCMerced_LandUse were used for experimental validation. …”
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    Article
  14. 3994

    Fire spread simulations using Cell2Fire on synthetic and real landscapes by Minho Kim, Cristobal Pais, Marta C. Gonzalez

    Published 2025-07-01
    “…Further, Cell2Fire exhibited better computational efficiency, with simulation runtime increasing linearly compared to Prometheus’ runtime increasing exponentially. …”
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    Article
  15. 3995

    Fault Detection in Induction Machines Using Learning Models and Fourier Spectrum Image Analysis by Kevin Barrera-Llanga, Jordi Burriel-Valencia, Angel Sapena-Bano, Javier Martinez-Roman

    Published 2025-01-01
    “…Induction motors are essential components in industry due to their efficiency and cost-effectiveness. This study presents an innovative methodology for automatic fault detection by analyzing images generated from the Fourier spectra of current signals using deep learning techniques. …”
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    Article
  16. 3996

    Convex Optimization of Markov Decision Processes Based on Z Transform: A Theoretical Framework for Two-Space Decomposition and Linear Programming Reconstruction by Shiqing Qiu, Haoyu Wang, Yuxin Zhang, Zong Ke, Zichao Li

    Published 2025-05-01
    “…Experimental validations on production processes reveal that our model reduces long-term maintenance costs by 36.17% compared to Monte Carlo simulations (1500 vs. 2350 average cost) and improves computational efficiency by 14.29% over Q-learning methods. Sensitivity analyses confirm robustness across Weibull-distributed failure regimes (shape parameter <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>β</mi><mo>∈</mo></mrow></semantics></math></inline-formula> [1.2, 4.8]) and varying resource constraints.…”
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    Article
  17. 3997

    Four-Element MIMO Patch Antenna With High Gain, High Isolation, and Polarization Diversity Characteristics for 28-GHz Applications by Hela Elmannai, Umair Rafique, Hüseyin Şerif Savci, Muhammad Usman Tahir, Mujeeb Abdullah, Abeer D. Algarni, Mariana Dalarsson

    Published 2025-01-01
    “…The radiation and total efficiency of the radiator are noted to be >85% and ≥75%, respectively, in the operating bandwidth. …”
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    Article
  18. 3998

    A Simple Approach on Synthesis of TiO2 Nanoparticles and its Application in dye Sensitized Solar Cells by L.S.В Chougala, M.S.В Yatnatti, R.K.В Linganagoudar, R.R.В Kamble, J.S.В Kadadevarmath

    Published 2017-07-01
    “…Photocurrent density (J) - photovoltage (V) characteristic of DSSC of different thicknesses of TiO2 were obtained, it was observed that optimum solar energy to electricity conversion efficiency () for RK-1 dye and N- 719 dye 4.08В % and 5.12В % with TiO2 thickness of 5.4 Ојm and 8.6 Ојm respectively under AM 1.5 irradiation (1000 W/m2) conditions.…”
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  19. 3999

    Cryopreservation of Ovarian Tissue at the Stage of Vitellogenesis from Yellow Drum (<i>Nibea albiflora</i>) and Its Effects on Cell Viability and Germ Cell-Specific Gene Expression by Li Zhou, Feiyan Li, Zhaohan Sun, Jia Chen, Kunhuang Han

    Published 2025-06-01
    “…Therefore, the aim of this study was to explore a convenient, rapid, efficient and less toxic method for the cryopreservation of ovaries at the stage of vitellogenesis from yellow drum (<i>Nibea albiflora</i>), an economically important marine fish. …”
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    Article
  20. 4000

    An Integrated Sample-Free Method for Agricultural Field Delineation From High-Resolution Remote Sensing Imagery by Yu Zhu, Yaozhong Pan, Tangao Hu, Dujuan Zhang, Jiajia Dai

    Published 2025-01-01
    “…Overall, the proposed sample-free delineation method seamlessly integrates efficient and comprehensive methods, offering a high-quality field delineation solution without samples, and establishes a generalized framework of benchmark data production for extensive parcel-level agricultural applications.…”
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    Article