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Directional transmission of acoustic wave based on sector-shaped structure
Published 2025-02-01“…However, due to the variation in the incident frequency of the sound waves, the wavelength of the incident waves changes accordingly, resulting in different transmission efficiencies. It is found that the incident wavelength of 131 kHz has the best matching coupling characteristics with the structure so as to reduce the acoustic energy loss caused by impedance mismatch. …”
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603
Emission Characteristics of Energetic Electrons with Crescent-shaped Velocity Distributions
Published 2025-01-01“…We find that the beam-Langmuir and upper-hybrid modes can be efficiently excited, leading to further plasma emissions in different cases. …”
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604
Plastic Shaping of Concentrator-Waveguide Tip for Ultrasound Endovascular Ablation
Published 2021-04-01“…One of the most effective methods of treating intravascular formations at present is the use of stepped ultrasonic waveguide systems of a tubular type (concentrators-waveguides) with a hollow spherical tip, the presence of which makesit possible to supply liquid media to the dislocation zone of an intravascular formation with the aim of additional cavitation effect and as efficiently as possible. destroy intravascular formations due to vibration impact. …”
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605
Shaping and Characterization of Additively Manufactured Geopolymer Materials for Underwater Applications
Published 2025-03-01Get full text
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606
High-Performance Tall Buildings: An Overview of Recent Developments
Published 2025-04-01“…The evolution of tall buildings has been shaped by distinct architectural styles, beginning around 1875 and progressing through various stylistic architectural movements. …”
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Sustainability in Public Lighting: The Methodology for Identifying Environmentally Optimal Solutions in Replacement Planning—A Case Study
Published 2025-01-01“…The urban public lighting system plays a fundamental role in enhancing safety and shaping the nocturnal identity of the city. Efficient lighting is also a key factor in reducing energy consumption and lowering atmospheric emissions. …”
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609
Service Process Modeling in Practice: A Case Study in an Automotive Repair Service Provider
Published 2025-04-01“…Statistical analysis of key performance indicators, such as productivity, efficiency, and customer satisfaction, was performed. …”
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610
Harnessing Machine Learning for Intelligent Networking in 5G Technology and Beyond: Advancements, Applications and Challenges
Published 2025-01-01“…Intelligent networks will transform wireless communication by replacing traditional processing with end-to-end solutions, utilizing cognitive radio systems and deep reinforcement learning for optimized spectrum sharing and efficiency. Despite significant potential, challenges such as interoperability, security, scalability, and energy efficiency must be addressed. …”
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UAV-Assisted IRS System With Energy Harvesting: Enhanced Reliability in Critical Scenarios for 5G/6G Wireless Communication
Published 2025-01-01“…We develop the expression for spectral efficiency and derive a closed-form expression of an outage probability for the proposed scenario by considering Nakagami-m channel among A2G links. …”
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612
Advances in optoelectronics for environmental and energy sustainability
Published 2025-10-01“…Ultimately, this article outlines the critical role of optoelectronics in shaping a sustainable, energy-efficient future across global industries, from energy and healthcare to environmental management.…”
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613
Influence of the Plant Training System on Yield and Nut Traits of European Hazelnut (<i>Corylus avellana</i> L.) Cultivar Nocchione
Published 2025-01-01“…Over five growing seasons (2019–2023), measurements included pruned wood removed, yield, vigor, yield efficiency, nut and kernel traits, and incidence of the main commercial defects. …”
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614
Influence of Bragg Resonance on the Hydrodynamic Performance of a Fixed-Detached Asymmetric Oscillating Water Column Device
Published 2025-06-01“…The efficiency bandwidth is greater in the case of a rectangular trench than in the case of a parabolic- or triangular-shaped trench. …”
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615
Optimizing 2D irregular packing via image processing and computational intelligence
Published 2025-04-01“…However, existing approaches often struggle to achieve both high efficiency and compactness in the arrangement of irregularly shaped 2D components, leading to significant material waste and suboptimal layout solutions. …”
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616
Optimization of centrifugal compressor stages
Published 2023-12-01“…The article describes а hydraulic efficiency increase in the centrifugal compressor stage using automatic optimization algorithms. …”
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617
A modification design method for the angular misalignment of the spline drum shaping
Published 2025-07-01“…ObjectiveTo address the edge contact and uneven load distribution caused by angular misalignment in involute spline pairs, an efficient optimal design method based on contact mechanical characteristics was proposed, overcoming the limitations of the low efficiency in traditional trial-and-error crowning modification approaches.MethodsFocusing on angular misaligned involute spline pairs, analytical prediction formulas for tooth contact regions under different modification amounts were established through analysis of contact extrusion deformation characteristics in drum-shaped splines. …”
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Substantiation of the Operating Parameters of Walnut Drying Equipment
Published 2024-12-01“…It is the most energy-consuming, and therefore, of course, there is an attempt to increase the energy efficiency of this process. Recent research and publications have shown many ways and means to dry nuts. …”
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