https://gprosperity.org/index.php/journal/issue/feed 2026-08-04T16:43:58+03:00 Bohdan Koshovyi qqbkqq@gmail.com Open Journal Systems https://gprosperity.org/index.php/journal/article/view/320 2026-08-03T16:48:30+03:00 Yurii Breusov example@example.com

The repair of automotive electronic control units at the component level is a relatively new niche, where specialists' experience is accumulating much faster than the scientific and methodological foundation is being established. This article examines how this process is organized in a small specialized service center: from initial diagnostics and data backup to soldering operations and bench testing under real-world conditions. Shah et al. (2024) expect the number of embedded control units to rise from 200 to 700 million by 2030. High refurbishment costs make component-level repair increasingly important. The theoretical framework draws on IPC-7711D/7721D and ANSI/ESD S20.20-2021, as well as peer-reviewed publications from 2022–2025. To verify the theoretical propositions, materials from a structured interview with Y. Breusov, a practicing specialist, were utilized, based on a sample of 210 repaired circuit boards from 2023–2024, distributed by type as follows: 60% engine control units, 20% body control units, 10% airbag control units, 10% transmission control units. The analysis showed that the reliability of the result is determined by three conditions: backing up the unit's identification data prior to any soldering operations, testing under actual power load, and ensuring protection against static discharge in accordance with ANSI/ESD S20.20-2021.

2026-07-30T00:00:00+03:00 Copyright (c) 2026 Global Prosperity https://gprosperity.org/index.php/journal/article/view/317 2026-07-27T11:04:08+03:00 Feliks Stoianov example@example.com

Secondary caries accounts for 25–35% of all return visits and is one of the main reasons for the replacement of restorations. Each such replacement reduces the volume of hard tooth tissue. Despite constant improvements in materials, the frequency of this complication does not decrease; therefore, the restoration technique and the patient's behavior after treatment play a key role. Objective. To evaluate the structure of risk factors for secondary caries following restorative treatment based on five years of clinical observations and to describe Stoianov's Protocol for secondary caries. Methods. A retrospective analysis of 60–90 confirmed cases of secondary caries per year over a 5-year period in a private dental practice. For each case, the time of onset, type of material, isolation conditions, hygiene level, presence of bruxism, and nature of technical errors in the initial treatment were recorded. Results. Secondary caries was detected predominantly in the first 1–3 years after treatment (45–50% of cases). Among the causes: microleakage (25%), inadequate hygiene (25%), technical errors (20%), bruxism (20%), material properties (10%). Isolation of the working field increased the stability of restorations from 60–70% to 85–90%. After implementing the author's protocol, the incidence of secondary caries decreased from 25–30% to 15–20%. Conclusions. Secondary caries arises from a combination of clinical and behavioral factors; the isolated effect of a single factor is rare. On the part of the dentist, the greatest influence comes from isolation of the working field and adherence to the adhesive protocol. On the part of the patient, the decisive factors are the quality of hygiene and dietary habits. Stoianov's protocol for secondary caries combines these aspects into a single, reproducible clinical algorithm.

2026-07-25T00:00:00+03:00 Copyright (c) 2026 Global Prosperity https://gprosperity.org/index.php/journal/article/view/323 2026-08-04T16:19:13+03:00 Zhanna Skubenych example@example.com

The article is devoted to the study of team psychology as a key factor in the formation of sustainable sports teams in youth handball. The purpose of the study is to identify psychological mechanisms that ensure the sustainability of youth handball teams and establish the role of the coach in the formation of an appropriate team psychological culture. In the course of the scientific study, general scientific methods of cognition were used: analysis, synthesis, systematization, comparison, as well as content analysis of scientific publications and structural-logical generalization of empirical data. The results of the study showed that teenage handball players who have developed resilience resources - in particular, self-acceptance and a sense of their own competence - cope much better with pre-competition excitement and prevent it from turning into destructive anxiety. It was found that somatic and cognitive anxiety decrease in proportion to the increase in resilience, and this effect increases with increasing sports experience. At the same time, it was found that the level of group cohesion during the season is a statistically significant predictor of the intention of players to continue playing for the same team - and this connection is relevant for both older and younger age groups. Six psychological characteristics that together form team spirit in youth handball are separately systematized: group cohesion, motivational climate, intra-team communication, psychological safety, team identity, and self-efficacy. Each of them is connected to the others through specific mechanisms: for example, the leadership of the coach, aimed at forming a common "we", increases the team identification of the players, which, in turn, creates an environment of psychological safety, where athletes can openly admit mistakes and seek help. It is through these chains of influence that coaching becomes a key factor in team resilience, and not just in the technical improvement of players. It is emphasized that the psychological literacy of the coach is a necessary condition for the conscious management of these processes. The practical significance of the study lies in the possibility of using the obtained results in the development of psychological training programs for youth handball teams and advanced training of coaching staff.

2026-07-25T00:00:00+03:00 Copyright (c) 2026 Global Prosperity https://gprosperity.org/index.php/journal/article/view/321 2026-08-03T17:34:52+03:00 Norayr Avetysyan example@example.com

Published research on steel fabrication covers individual technology domains (CNC cutting, BIM integration, ERP systems, quality standards) but does not offer a practical model for combining these elements into a unified production workflow within the resource constraints of small and medium enterprises. This article contributes in two parts. A comparative evaluation of plasma, oxy-fuel, and abrasive disc cutting methods is conducted using manufacturer data and independent technical sources, establishing the technological baseline for structural steel fabrication. An integrated production management model developed by the author at Kharkiv Stal LLC (Ukraine) over the period 2013–2025 is then presented. The model connects three components: ERP-based material reservation with three-status differentiation (available, reserved, committed), project-style order execution with stage-gated accountability, and a four-level quality inspection sequence embedded in the production cycle. Operational records from 2021–2025 document the following outcomes: order fulfillment cycle compressed from 10–14 days to 2–5 days, production delays reduced by approximately 70%, fabrication throughput increased by 30–40% without proportional workforce expansion, material preparation time shortened by 15–20%, and financial exposure to raw material price volatility decreased by 10–15%. Findings indicate that process integration methodology produces greater operational gains for resource-constrained fabricators than investment in advanced equipment without corresponding workflow coordination.

2026-07-25T00:00:00+03:00 Copyright (c) 2026 Global Prosperity https://gprosperity.org/index.php/journal/article/view/319 2026-07-31T23:03:00+03:00 Inna Bahriantseva example@example.com

The article is devoted to the study of the calculation of biomechanical load in eyelash extensions as a transition from a purely aesthetic approach to ensuring consumer safety. The purpose of the study is to determine the types of load on natural eyelashes during the extension procedure, to substantiate the standards for its safe implementation and to establish the risks that arise in the event of a mismatch between the parameters of artificial eyelashes and the physiological capabilities of the natural ciliary row. During the scientific study, general scientific methods of cognition were used, in particular, analysis, synthesis, generalization, systematization, comparison, classification and logical modeling. The results of the study show that during eyelash extensions a complex biomechanical load is formed, which is not limited only to the mass of artificial fiber. Gravitational, lever, aerodynamic, mechanical-contact and adhesive loads were studied, each of which affects the condition of the natural eyelash, follicle, eyelid margin and ocular surface. It is shown that exceeding the permissible length, diameter, curvature or mass of artificial eyelashes can lead to mechanical overload, traction alopecia, madarosis, irritation of the cornea and conjunctiva, as well as to the gradual depletion of the natural ciliary row. It is concluded that the safety of the procedure depends not only on the modeling technique, but also on compliance with professional, hygienic, microbiological, regulatory and clinical requirements. The author's methodology LRCA Method was separately studied, within which eyelash extension is considered as a controlled process of preserving and restoring the client's natural resource. It is shown that damage audit, determination of the initial state of the follicle, cuticle and natural row, decompression of weakened eyelashes, reconstruction and preventive safe design layer make it possible to select artificial fiber parameters in accordance with the bearing capacity of the natural eyelash. The practical significance of the study lies in the possibility of using its results to develop safe eyelash extension protocols, train masters and increase the level of consumer protection.

2026-07-25T00:00:00+03:00 Copyright (c) 2026 Global Prosperity https://gprosperity.org/index.php/journal/article/view/324 2026-08-04T16:43:58+03:00 Mokhammed Ali Patvari example@example.com

The article is devoted to studying the importance of AI agents in ensuring the reliability of corporate software. The purpose of the article is to substantiate the role of metamorphic testing and AI agents in ensuring the reliability, semantic consistency and security of corporate software based on artificial intelligence. The research process used methods of analysis and synthesis to generalize scientific approaches to testing AI systems; the comparative method was used to compare traditional QA, Metamorphic Testing and the agent approach. The results of the study showed that the reliability of corporate software based on AI cannot be ensured only by traditional QA approaches, since LLM, RAG systems, chat bots, recommendation services and AI agents operate in a non-deterministic mode and can change the answer depending on the formulation of the query. It has been established that Metamorphic Testing is an appropriate method for testing such systems, since it allows us to evaluate not a single result, but the constancy of the relationship between responses after a controlled transformation of the input data: paraphrasing, changing the format, rating scale, word order, or adding a small amount of noise. It has been proven that if the content of the query does not change, then the main fact, conclusion, class, recommendation, or logic of the response should remain stable, and their significant change indicates semantic inconsistency, the risk of hallucination, or weak robustness of the model. On this basis, the author's concept of AI-Agentic Testing is proposed, in which the AI-agent automates the generation of follow-up inputs, checking metamorphic relations, detecting unstable responses, hallucinations, logical contradictions, and potential security breaches in corporate AI systems. This approach moves QA from static test scenarios to dynamic control of semantic consistency, reliability, and security of AI solutions in a corporate environment. Its practical value lies in the fact that it can be used as a basis for testing LLM, RAG systems, AI agents and enterprise AI workflows before their integration into critical business processes.

2026-07-25T00:00:00+03:00 Copyright (c) 2026 Global Prosperity https://gprosperity.org/index.php/journal/article/view/322 2026-08-04T15:08:20+03:00 Ostap Matiichyk ostapmatiichyk@gmail.com

Greenhouse irrigation management in soilless production systems faces pressure to reduce water and fertilizer consumption while maintaining commercially viable yields. Most documented irrigation approaches rely on one or two measured variables to trigger events, leaving the remaining sensor data unused in the control decision. Purpose. To describe the Smart-Flow Matrix (SFM), an adaptive irrigation management framework that integrates five operational data streams within a unified decision engine, and to present resource-efficiency and yield metrics from its commercial deployment. Method. SFM was deployed in a commercial hydroponic strawberry operation (coconut coir substrate, drip fertigation, greenhouse area up to approximately 10 hectares) in Kyiv Oblast, Ukraine. SFM coordinates volumetric water content, pore-water electrical conductivity, cumulative photosynthetically active radiation, air temperature, and drainage analytics through coordinated threshold logic with seasonal parameter adjustment across three growth stages. Operational records from the SFM period were compared with records from the preceding timer-based management period in the same facility. Results. Water and fertilizer consumption decreased by approximately 45 to 50 percent relative to the timer-based baseline. Yield reached 1.7 to 1.87 kilograms per plant under commercial conditions. Drainage fraction converged to target ranges within three to four irrigation cycles following each parameter adjustment. Conclusion. SFM demonstrates that coordinated multi-parameter irrigation logic with seasonal adaptation can achieve measurable resource savings at commercial greenhouse scale without compromising yield stability.

2026-07-25T00:00:00+03:00 Copyright (c) 2026 Global Prosperity