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781
Optimizing Small Cell Performance: A New MIMO Paradigm With Distributed ASTAR-RISs
Published 2025-01-01“…However, ScNs have resource allocation limitations, and traditional RISs can only reflect signals in a limited propagation space of 1800 with fixed reflection properties. …”
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782
Company management based on key performance indicators: Industry overview
Published 2023-11-01“…Key performance indicators (KPIs) act as a specific indicator of productivity, and reflect the degree of implementation of goals and objectives that have been set for specific employees, departments, or the organization as a whole. …”
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783
The Romanian Research-Development System - An Overview in Global Context
Published 2023-06-01Get full text
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784
MATHEMATICAL ASPECTS OF AIRCRAFT ENGINES RUNNING OPTIMIZATION FOR MINIMUM FUEL CONSUMPTION WHILE LANDING
Published 2017-03-01“…The consistency of the potential increase of fuel efficiency, based on aircraft maintenance optimization, is mathe- matically proved. …”
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785
Dynamic Facades: Environmental Control Systems for Sustainable Design
Published 2017-03-01“…The image of a building, and therefore for the users, is reflected through the design of the façade.</p><p class="Default">In recent practices, architects and engineers are strategically designing and installing dynamic facades not only for their aesthetic values, but also for improving the buildings’ energy performance. …”
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786
Analysis and Optimization of Dysprosium-Doped Yellow Fiber Lasers for Ophthalmology Applications
Published 2024-01-01“…The influence of overlap integrals, output mirror reflectivity, and active fiber length on laser performance is investigated. …”
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787
Toward 6G: Deep GRU and RNN Empowered MVDR and LCMV Adaptive Beamformers for IRS-Aided Wireless Environments
Published 2025-01-01“…The proposed approach enables precise signal alignment with improved spatial selectivity, effective interference suppression, and enhanced spectral efficiency. Monte Carlo simulations validate the efficient performance of the GRU-based MVDR beamforming scheme, achieving a spectral efficiency of ~5 bps/Hz observed at lower signal-to-noise ratios (SNRs), outperforming other hybrid approaches. …”
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788
Exploration of the bio-availability and the risk thresholds of cadmium and arsenic in contaminated paddy soils
Published 2024-12-01“…The results showed that the HCl, CaCl2, HNO3, and CaCl2-DTPA solutions exhibited high extraction efficiency for Cd (42.2–88.4 %); for As, NaH2PO4, HCl, and HNO3 have the extraction efficiency (0.85–23.4 %). …”
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789
Optimizing low-power, anti-interference routing with IRS through spatiotemporal reinforcement and federated learning
Published 2025-07-01“…Abstract This paper introduces the SAC-IRS algorithm, a novel approach that combines Intelligent Reflecting Surfaces (IRS) and Reinforcement Learning (RL) to optimize network performance, specifically targeting packet delivery rate and energy efficiency. …”
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790
Reducing dietary crude protein levels while meeting metabolizable protein requirements: Performance of dairy cows over a full lactation period
Published 2025-02-01“…In addition, reducing dietary CP content from 170 to 160 g CP/kg DM improved N use efficiency (NUE; milk N/N intake), with no further improvement with 150 g CP/kg DM. …”
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791
Discrete Phase Shift IRS-Assisted Energy Harvesting in Cognitive Radio Networks With Spectrum Sensing
Published 2025-01-01“…Energy Harvesting (EH) techniques, particularly RF-based EH, offer a solution by powering CRN terminals, thereby enhancing spectrum utilization efficiency. Simultaneously, Intelligent Reflecting Surfaces (IRSs) have emerged as a powerful technology to enhance wireless propagation environments and support RF-based EH in CRNs. …”
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792
Deep Learning-Based Secrecy Performance of UAV-IRS NOMA Systems With Friendly Jamming
Published 2025-01-01“…In this paper, we explore the integration of the intelligent reflecting surface (IRS), non-orthogonal multiple access (NOMA), and unmanned aerial vehicle (UAV) to enhance spectral and energy efficiencies, as well as wireless connectivity in IoT applications. …”
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793
Optimize multi-objective transformation rules of water-sediment regulation for cascade reservoirs in the Lower Yellow River of China
Published 2025-08-01“…Furthermore, the efficiency of sediment transport is closely related to hydropower generation: when hydropower is below 12.28 billion kWh, the conversion efficiency from hydropower generation to sediment transport increases significantly. …”
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794
Balancing Yield and Sustainability: A Comparative Analysis of Supplemental Lighting in Commercial-Scale Cucumber Cultivation
Published 2025-01-01“…The results indicated that iLEDs enhance intrinsic water use efficiency (35.65 µmol CO<sub>2</sub>/mol H<sub>2</sub>O) and reduce transpiration, reflecting superior physiological resource use. …”
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795
Can Land System Innovation Promote the Improvement of Green Land Use Efficiency in Urban Land—Evidence from China’s Pilot Reform of the Approval System for Urban Construction Land...
Published 2025-04-01“…Land serves as a crucial repository of resource elements, and enhancing the green use efficiency of urban land (GUEUL) is essential for attaining sustainable development. …”
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796
Synthesis and characterization of bismuth gadolinium oxide/g-C3N4 heterojunction nano photocatalyst for efficient sunlight-driven purification of wastewater containing malachite gr...
Published 2025-06-01“…In this research, considering the problem of water pollution, efficient bismuthate nanostructures have been designed to destroy organic pollutants; and in the following, suitable strategies to improve the photocatalytic efficiency have been presented and analyzed. …”
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797
Enhancing Both TM- and TE-Polarized Light Extraction Efficiency of AlGaN-Based Deep Ultraviolet Light-Emitting Diode via Air Cavity Extractor With Vertical Sidewall
Published 2018-01-01“…In this work, we investigate the effect of sidewall angle, height and space of an air cavity extractor (AC-Extractor) on the polarization-dependent light extraction efficiency (LEE) for AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) using three-dimensional finite difference time-domain method. …”
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798
ETHICS AND COMMERCIAL COMMUNICATION
Published 2014-10-01“…The modern economic science was built around the concept of efficiency. In economy the notion of equality is strongly correlated with the notion of balance, such as the market balance when the demand equals the offer. …”
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799
Experimental and theoretical analysis of ultrasonic separation in bioethanol purification
Published 2024-12-01“…Both ultrasonic separation efficiency and collection rates increased with solution temperatures. …”
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800
Study on Packaging Technology of GAGG:Ce Scintillation Detector
Published 2025-01-01“…It is determined that the diffuse reflection on the crystal surface is the most conducive to the collection of scintillation photons. …”
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