-
2821
-
2822
Simultaneous Determination of Quercetin and Trans-Resveratrol in Winemaking Waste by Solid Phase Microextraction Coupled to High-Performance Liquid Chromatography with Fluorescence...
Published 2025-05-01“…A solid phase microextraction (SPME) method coupled with liquid chromatography (LC) and fluorescence/ultraviolet-diode array detection was developed for the simultaneous determination of quercetin and trans-resveratrol. …”
Get full text
Article -
2823
Negotiation impact in Supply Chain Management
Published 2025-06-01“…Using qualitative research method through an analysis of recent qualitative and quantitative research, including meta-analysis and case studies, the author identifies negotiation as a strategic leverage that increases supply chain reactivity and efficiency. …”
Get full text
Article -
2824
Determination of mode shapes of a multiple cracked beam element and its application for free vibration analysis of a multi-span continuous beam
Published 2013-11-01“…Numerical analysis of natural mode shapes of cracked simple support beams using the obtained expression shows a good agreement in comparison with the well-known analytical methods. The methodology approach and results presented in this article are new and basis for building an efficient method to identify cracks in beam structures using wavelet analysis of mode shapes. …”
Get full text
Article -
2825
ECONOMIC EFFICIENCY OF LAND USE BY AGRICULTURAL PRODUCERS IN THE SYSTEM OF THEIR NON–CURRENT ASSETS ANALYSIS: A CASE STUDY OF THE AGRICULTURAL SECTOR OF UKRAINE
Published 2020-01-01“…The work is systematized the results of assessing the impact of factors on the return on assets of agricultural producers of Ukraine for 2014 - 2018 by identifying the factors that influenced its formation by determining their quantitative impact through factor analysis methods, including the method of elimination. …”
Get full text
Article -
2826
Optimizing solar collector efficiency and safety: A comparative thermal analysis of non-toxic hybrid nanofluid mixtures using machine learning
Published 2025-08-01“…Hyper-parameter optimization is performed for four alternative AI training methods to determine the best suitable choice. Whereas for numerical simulation, the Keller-Box method (KBM), a modified finite difference methodology, is employed. …”
Get full text
Article -
2827
Ultrasonic-assisted hydrogen peroxide leaching of cadmium-containing flue dust under room temperature and neutral conditions: Efficient recovery and mechanism
Published 2025-09-01“…A novel ultrasonic-enhanced hydrogen peroxide leaching method is proposed for efficient cadmium recovery from flue dust under room temperature and neutral conditions, addressing the limitations of conventional methods such as low efficiency and environmental pollution. …”
Get full text
Article -
2828
DERIVATIZATION OF PHOTOACTIVE STRUCTURES SI(N+)/SI(P)/SI(P+) THROUGH ION-BEAM CRYSTALLIZATION
Published 2013-09-01“…The physical and mathematical mass-transfer model of the ion-beam crystallization method is developed. The derivatization of photoactive structures Si(n+)/Si(p)/Si(p+) on 100 mm substrates through ion-beam crystallization is considered. …”
Get full text
Article -
2829
Grey Wolf Optimization- and Particle Swarm Optimization-Based PD/I Controllers and DC/DC Buck Converters Designed for PEM Fuel Cell-Powered Quadrotor
Published 2025-04-01“…This means that GWO-based optimizers provide more energy-efficient performance for complex routes. On the other hand, it was determined that the tracking errors in the performance of the desired and actual values of both translational and rotational movement parameters and the forces and torques required for the quadrotor to follow this route were obtained at a maximum of 4% for systems optimized with both techniques. …”
Get full text
Article -
2830
Mathematical Model of the On-Board Antenna of Reentry Spacecraft Taking into Account Surface Waves
Published 2022-12-01Get full text
Article -
2831
CNN-Based End-to-End CPU-AP-UE Power Allocation for Spectral Efficiency Enhancement in Cell-Free Massive MIMO Networks
Published 2025-04-01“…Simulation results demonstrate that the proposed CNN-based power allocation method significantly improves spectral efficiency compared to conventional power allocation techniques while also enhancing energy efficiency. …”
Get full text
Article -
2832
Resource‐explicit interactions in spatial population models
Published 2024-12-01“…Here, we present a novel modelling method in which the resources available to a population are abstractly represented as an additional layer of the simulation. …”
Get full text
Article -
2833
-
2834
Optimal fertilizer rate and sowing density can improve oat quality, yield and N and P comprehensive efficiency in the Loess Plateau of China
Published 2025-06-01“…By focusing on the sowing density and fertilizer rate, oats can achieve better productivity performance while maximizing nutrients use efficiency. However, the information on the responses of oats yield, quality and nutrients use efficiency to fertilization and sowing density is limited.MethodsIn this study, from 2022 to 2023, a two-factor randomized block design field trial was conducted in Loess Plateau. …”
Get full text
Article -
2835
MODELING OF INFORMATION TECHNOLOGY OF MATERIAL RESOURCES MANAGEMENT OF A CONSTRUCTION COMPANY
Published 2021-09-01“…The following results were obtained: a structural analysis of the existing information ecosystem at the regional level construction company, the composition of which is agreed on the organizational structure elements of the enterprise and the stages of the construction life cycle; considered the functions of construction company's material resources management which are realized at various stages of a construction project life cycle; constructed the set-theoretical model of material resources management information technology; determined the functional characteristics of the considered information technology, offered the criteria of information technology efficiency according to the ITIL strategy; constructed the conceptual model of information technology of material resources management. …”
Get full text
Article -
2836
Preparation, Modification, Characterization and Antioxidant Activities of Apigenin Liposomes
Published 2025-01-01“…Results: The low-speed centrifugation method was found to be more precise in determining the entrapment efficiency of liposomes, while the membrane dispersion-ultrasonic method demonstrated higher encapsulation efficiency. …”
Get full text
Article -
2837
Designing a helpdesk ticketing system to improve the efficiency of IT support services on an XYZ company-based web-site using the Laravel framework
Published 2024-03-01“…Additionally, the author conducts testing using the Black Box Testing method to ensure the system's functionality. The outcome of this research is a web-based Helpdesk Ticketing System that efficiently assists the IT department in handling employee issues. …”
Get full text
Article -
2838
CORRECTION OF ENDOTHELIAL FUNCTION OF MICROCIRCULATION DISTURBANCE, BLOOD BIOCHEMICAL PARAMETERS, STANDARDS OF EFFICIENCY, AUTONOMIC AND PSYCHO-EMOTIONAL STATUS IN YOUNG ATHLETES W...
Published 2013-02-01“…The function of endothelium of microcirculation vessels, vegetative and psychoemotional status, lipid spectrum and physical efficiency in 43 young sportsmen are corrected with the aid of Tentorium api-phyto products (APP).The following tests were conducted: samples of reactive hyperemia and hyperventilation, ultrasound investigation of brachial artery, determination of performance efficiency, total cholesterin, triglycerides, cortisol, red cells, vegetative and psychoemotional status by the Spielberger’s test and SAN test, as well as biomicroscopy of sclera. …”
Get full text
Article -
2839
Study of the Efficiency of Heat-Supply Systems with Steam Turbine CHP Plants, Taking into Account Changes in the Temperature of the Delivery Water during Transportation
Published 2023-08-01“…The significance of the obtained results lies in the possibility of their use for an accurate assessment of the efficiency of heat supply systems with different heat-ing control schedules and for determining the feasibility of correcting temperature schedules in order to take into account the cooling of delivery water during transportation.…”
Get full text
Article -
2840
Estimation of some Organophosphorus Pesticides Using Carbon Paste Electrode Coupled with Molecularly Imprinted Polymers
Published 2018-09-01“…The method was validated and successfully applied to determined OPPs compounds from environmental water samples.…”
Get full text
Article