https://dspace.mnau.edu.ua/jspui/handle/123456789/24985 Tue, 27 Oct 2026 18:09:29 GMT 2026-10-27T18:09:29Z https://dspace.mnau.edu.ua/jspui/handle/123456789/26874 Назва: Restoration of degraded soils in a military-affected region in the South of Ukraine based on biologisation Автори: Шебанін, В’ячеслав Сергійович; Shebanin, Vyacheslav; Решетілов, Георгій Олександрович; Reshetilov, Georgiy; Дробітько, Антоніна Вікторівна; Drobitko, Antonina Короткий огляд (реферат): Background: This study was motivated by the need to restore soils degraded by military operations, accompanied by compaction,destruction of structure and contamination with heavy metals, which reduce the productivity and ecological functioning ofagroecosystems. The aim of the work was to evaluate the effectiveness of using microbial preparations and green manure cropsseparately and in combination to improve the condition of ordinary chernozem. Methods: The study involved a field experimentwith four treatment options: control; application of the “Azogran” biological preparation; green manure with a mixture of vetch andmustard; and a combination of these, and determination of the content of heavy metals in the soil and their biological activity.Results: The study found that the combined option provided the most positive changes: density decreased from 1.52 ± 0.03 to1.28 ± 0.02 g/cm3; the measured humus-related organic matter indicator increased from 2.1 ± 0.2 to 2.8 ± 0.1%; acidity changedfrom 5.8 ± 0.2 to neutral 6.7 ± 0.1; and the content of available, Chirikov-extractable phosphorus and potassium, reported asP2O5 and K2O, increased by 30.0 and 22.0%, respectively. Biological activity increased significantly: dehydrogenase activitydoubled, and basal respiration exceeded the control by 62.3%. It was also found that the concentrations of mobile forms of lead,cadmium, zinc and nickel decreased by 25.0–32.0%, which was accompanied by a 2.5-fold decrease in the phytotoxicity ofaqueous extracts. Conclusions: The data obtained demonstrate that the combination of the biological product with green manureresulted in synergistic improvements, simultaneously improving the physicochemical and biological properties of the soil andreducing the accumulation of metals. The practical significance of the study lies in confirming the possibility of using this approachas an affordable, environmentally safe and effective way to restore land damaged by military equipment. Thu, 01 Jan 2026 00:00:00 GMT https://dspace.mnau.edu.ua/jspui/handle/123456789/26874 2026-01-01T00:00:00Z https://dspace.mnau.edu.ua/jspui/handle/123456789/26797 Назва: Analysis of methods for diagnosing asynchronous electric motors used in agriculture Автори: Суковіцина, Ірина Миколаївна; Sukovitsyna, Iryna; Вахоніна, Лариса Володимирівна; Vakhonina, Larisa Короткий огляд (реферат): This study aimed to examine methods for diagnosing asynchronous electric motors in order to determine their effectiveness in detecting various types of faults. The research methodology involved an analysis of the effectiveness of diagnostic methods for electric motors, including vibration diagnostics, infrared thermography, noise diagnostics, and electrical diagnostics. This analysis was conducted based on a comparative assessment of their informativeness in detecting faults. The fundamental principles of the diagnostic methods and their physical bases, as well as their advantages and limitations in the context of detecting defects such as rotor imbalance, bearing damage, winding short circuits, component overheating, and other typical faults, were identified. In the analysis of electrical diagnostic methods, their versatility was noted, enabling the detection of a wide range of defects through the analysis of changes in electrical signals. It was observed that the Fast Fourier Transform method is optimal for static conditions, whereas the Short-Time Fourier Transform provides the capability to analyze dynamic changes, and the Gabor Transform allows for the detection of subtle signal changes. The results obtained provide a scientific foundation for optimizing the process of diagnosing asynchronous electric motors and ensuring their more effective use in industrial and agricultural settings. Опис: Повний текст статті доступний з сайту видавця за посиланням: https://www.tandfonline.com/doi/full/10.1080/02533839.2026.2724076 Thu, 01 Jan 2026 00:00:00 GMT https://dspace.mnau.edu.ua/jspui/handle/123456789/26797 2026-01-01T00:00:00Z https://dspace.mnau.edu.ua/jspui/handle/123456789/26784 Назва: Research on Blocking Ion Channels in Cell Membranes Under the Action of Electromagnetic Field Автори: Kundenko, Mykola; Мардзявко, Віталій Анатолійович; Mardziavko, Vitalii; Мардзявко, Катерина Олександрівна; Mardziavko, Katerina; Яблуновська, Катерина Олександрівна; Yablunovska, Katerina; Руденко, Андрій Юрійович; Rudenko, Andrii Короткий огляд (реферат): The article investigates the effect of ultrahigh frequency electromagnetic radiation on the functioning of ion channels in fruit cell membranes, which determine the intensity of ion transport and the level of cellular respiration. Based on the electrodiffusion equation and the stochastic model of ion channel operation, a system of equations was constructed that describes the probabilities of the channel being in different functional states. Analytical expressions were obtained for the flow of ions through the membrane under the action of an external microwave field and it was established that electromagnetic influence at ultrahigh frequencies significantly increases the probability of channel blockage, reducing the permeability of the membrane. This leads to a noticeable decrease in the intensity of cellular respiration, which is a key factor in slowing down the physiological aging of fruits. The results confirm the prospects of using electromagnetic methods for controlled regulation of ion channel operation and extending the shelf life of fruits without the use of chemicals. Опис: Повний текст статті доступний з сайту видавця за посиланням: https://ieeexplore.ieee.org/document/11632291 Thu, 01 Jan 2026 00:00:00 GMT https://dspace.mnau.edu.ua/jspui/handle/123456789/26784 2026-01-01T00:00:00Z https://dspace.mnau.edu.ua/jspui/handle/123456789/26777 Назва: The Digital State in the Context of Systemic Instability: Institutional Challenges and Innovative Solutions Автори: Іванов, Геннадій Олександрович; Ivanov, Gennadiy; Solodka, Olena; Shepeta, Olena; Zaitsev, Yurii; Kravchenko, Milena Короткий огляд (реферат): Due to the increasing demand for digital infrastructure in public administration, the digital state has become a crucial element of governance during systemic instability. In times of cyber threats, fragmentation of coordination, external technological dependence, and lack of public confidence, digital sovereignty and information security are constitutive preconditions of institutional continuity, and developing them is a key to enabling the resilience of the state. This paper aims to identify the major institutional challenges and innovative solutions, i.e., the key populating objects of the digital state. By examining the major figures of the digital state through qualitative comparative-analytical research rooted in conceptual analysis, problem-oriented synthesis, and structured comparison of crisis-driven institutional response, the article finds that the interaction between strategic sovereignty, institutional capacity, and operational security affects success in digital transformation. External platform dependence, a lack of interoperability, fragmented governance, and institutional capacity gaps impose substantial limitations on digital administration. This study also shows that resilience is not enough if not transformed into institutional restructuring through secure infrastructure, flexible coordination, and accountability-driven reform, thus promoting the continuity, sovereignty, and confidence of the public sector. Thu, 01 Jan 2026 00:00:00 GMT https://dspace.mnau.edu.ua/jspui/handle/123456789/26777 2026-01-01T00:00:00Z