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3041
Optimization of the Number of Active Subcarriers and M-PAM Modulation Constellation Pattern for OFDM-IM Systems
Published 2025-04-01“…Through mathematical relationships and simulation results, it is demonstrated that the identified value of active subcarriers is indeed optimal, leading to the maximization of the data rate of the system and spectral efficiency. The proposed optimal method, particularly designed for 4-symbol Pulse Amplitude Modulation and 8-group OFDM-IM, has resulted in a 6.25% increase in the number of transmitted bits compared to previous methods. …”
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3042
CFD analysis of air flows and temperatures based on radiant heating in industrial environments
Published 2024-01-01“…This method included the determination and verification of temperature gradients and air velocity parameters, as well as careful mapping of the complexities of the industrial heating process. …”
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3043
Features of minimizing total electrical losses in high-voltage electromechanical systems for stationary industrial fan installations
Published 2025-04-01“…Methodology. Methods of multi-criteria and single-criteria optimization for finding the optimal values of electrical losses in an electromechanical system, methods for solving first-order differential equation systems, and analytical methods. …”
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3044
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Determination of the Novel Insecticide Flupyradifurone and Its Two Metabolites in Traditional Chinese Herbal Medicines Using Modified QuEChERS and High-Performance Liquid Chromatog...
Published 2020-01-01“…A simple and efficient method using dispersive solid-phase extraction was employed for the pretreatment of the samples. …”
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3047
The potential effects of window configuration and interior layout on natural ventilation buildings: A comprehensive review
Published 2024-12-01“…Natural ventilation is an eco-friendly and renewable energy source that enhances thermal comfort and energy efficiency. The window is the most traditional method of introducing natural ventilation into the built environment, but its full potential has been slow to be explored. …”
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3048
Analyzing vehicle emissions using a hybrid machine learning approach using weighted average based k-means clustering for sustainable transportation decision-making
Published 2025-07-01“…In this study, a comparative analysis is conducted on three distinct vehicle types — hybrid, diesel, and biodiesel — assessing their carbon footprint based on emissions of CO2, CO, NOx, SO2, PM and UBHC across various operating conditions such as load, efficiency losses, and torque. The Analytic hierarchy process (AHP) method was used to determine the weights for various output parameters, including, the weights assigned to these parameters are as follows: CO2 emissions-13.76%, CO emissions-18.29%, UBHC emissions-25.58%, NOx emissions-13.54%, PM emissions-7.01%, and SO2 emissions-21.83%. …”
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3049
Innovation in healthcare as a factor in population’s health in regions
Published 2025-03-01“…The purpose of the study is to determine the impact of innovations in health care on the population’s health and to assess their effectiveness on the example of the Russian regions. …”
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3051
Modeling of the optimum level of financial provision of Ukrainian enterprises' innovative activities
Published 2019-08-01“…In the process of research such scientific methods have been used: modeling – to determine the influence of the source of funding for innovation activities, on the number of new technological processes introduced and the introduction of new types of products; economic-statistical – to evaluate the dynamics of the amount of realized innovative products and the index of the efficiency of innovation costs; correlation-regression analysis – to determine the relationship density and the relationship between factors of influence and performance indicators; abstract-logical – for the implementation of theoretical and methodological generalizations. …”
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3052
Formation of Orthogonal Components of Input Currents in Microprocessor Protections of Electrical Equipment
Published 2021-06-01“…The evaluation of the efficiency of the proposed method was performed using a complex digital model implemented in the dynamic modeling environment MatLab-Simulink. …”
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3053
MODERNIZATION OF THE AUTOMATED WATER LEVEL CONTROL SYSTEM IN THE PAVLOVSKIY WATER INTAKE STORAGE RESERVOIRS
Published 2024-11-01“…Materials and methods. An engineering and technical solution to the problem of increasing the efficiency of the technical water intake system based on the optimization of the control system of the 2nd lift pumps was obtained: float level sensors in water storages are replaced by ultrasonic ones and frequency converters are installed on all 2nd lift pumps, the pressure sensor is transferred from the pipeline to the water column of the water tower, feedback is provided by the industrial logic controller PR100 OVEN. …”
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3054
Does economic freedom affect green economic growth? Analyses of mediation, moderation, and heterogeneity in EU and non-EU countries
Published 2025-04-01“…This study seeks to address this gap by examining the relationship between economic freedom and GEG, with a focus on both European Union (EU) and non-EU countries.MethodsUsing panel data from 28 EU and non-EU countries between 2012 and 2021, the study employs a two-way fixed effects model to explore the impact of economic freedom on GEG. …”
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3055
Metformin as a novel organic foliar bio-stimulant to enhance peanut (Arachis hypogaea L.) growth and yield under drought stress conditions
Published 2025-07-01“…This study evaluates the impact of foliar-applied Metformin, gibberellic acid (GA₃), and indole-3-acetic acid (IAA) at concentrations of 5.0, 7.5, and 10.0 mg L⁻1 under different irrigation regimes (100%, 80%, and 60% of the recommended irrigation rate). Methods A two-year field experiment was conducted under arid conditions to assess the effects of these treatments on plant growth, yield, photosynthetic pigments, nutrient uptake, and water use efficiency (WUE). …”
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3057
Study on the Response of Cotton Leaf Color to Plant Water Content Changes and Optimal Irrigation Thresholds
Published 2025-06-01“…Real-time monitoring of cotton moisture status and determination of appropriate irrigation thresholds are essential for achieving precision irrigation. …”
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3058
Efficiency in stress echo service delivery without compromising on diagnostic accuracy: quality improvement project on the need to advise cessation of rate-controlling medication b...
Published 2025-07-01“…Objective: To assess the efficacy of dobutamine SE (DSE) in a cohort of patients where discontinuation of RCMx was not required, we conducted a 1-year review of outcomes in individuals evaluated for suspected coronary artery disease (CAD) Method: 227 consecutive patients underwent DSE between January 2022 and January 2023 in a single centre. …”
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Determinación del tiempo de deshumidificación en un almacén soterrado en las condiciones climáticas y geohidrológicas de Cuba. // Determination of dehumidifier time in underground...
Published 2007-01-01“…In the<br />proposed method calculation, the efficiency is used as fundamental economic indicator of the dehumidification process.…”
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