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1381
Cost-Effective Dual-Axis Solar Tracker with Enhanced Performance
Published 2022-08-01“…To improve the net efficiency, the rotation period is not the same for each climate and location. …”
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1382
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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1383
Traction Calculation for Modular Energotechnological Unit Given Kinematic Mismatch of Driving Axles
Published 2022-06-01“…To implement it, an energotechnological modular unit was created.Research purpose The purpose of the study is to determine the traction efficiency of a block-modular energotechnological unit given a kinematic discrepancy between the tractor wheels.Materials and methods The system of equilibrium equations for the transport-technological module being free-attached to the energy module is presented as the sum of forces projections on the axis. …”
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1384
Hydrodynamic performance of a novel suturelessprosthetic aortic valve
Published 2020-07-01“…The tests demonstrate the viability of the developed design from the standpoint of hydrodynamic efficiency and determines the basic rules of selecting a prosthesis for reimplantation relative to the primary valve.…”
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1385
Study on iron removal and phase transition behavior of titanium gypsum in acidic solution
Published 2025-01-01“…The phases of the products were identified, and the iron removal rate and gypsum content were quantitatively evaluated to characterize the efficiency of iron removal. The effects of various factors, including raw material preparation, the type and concentration of acidic solutions, reaction temperature, and reaction time, were investigated to determine the iron removal efficiency and the phase transformation behavior of titanium gypsum. …”
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1386
Optimization of PLGA-Doxorubicin Hybrid Nanoparticles using Design of Experiments: Synthesis, Characterization, and Applications
Published 2025-05-01“…The encapsulation efficiency of doxorubicin in PLGA nanoparticles was determined using spectrophotometric methods. …”
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1387
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1388
Overview and grouping of evaluation criteria for the effectiveness of mobile applications
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1389
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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1390
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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1391
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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1393
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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1394
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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1395
Innovation in healthcare as a factor in population’s health in regions
Published 2025-03-01“…On the example of regional health care systems of Tyumen, Tula, and Sverdlovsk Regions, high efficiency of innovation implementation has been proved. …”
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1397
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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1398
Does economic freedom affect green economic growth? Analyses of mediation, moderation, and heterogeneity in EU and non-EU countries
Published 2025-04-01“…Moreover, government efficiency and corruption control are found to moderate the relationship, enhancing the positive impact of economic freedom on GEG, particularly in non-EU countries. …”
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1399
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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