bluuebunny/crossref_metadata_2025_split huggingface dataset:
Gottron’s Carcinoid Papillomatosis: Case Report
Authors: Balabanovich T. I. , Surmach K. M. , Dziamidzik S. N. , Budrevich V. V. , Warnakulasuriya Fernando R. S. 
Published: December 2023

Introduction. Gottron’s papillomatosis is a rare benign type of dermatosis with pseudoepitheliomatous hyperplasia of the epidermis, first described as an independent disease by the German dermatologist H.A. Gottron. Invasive epidermal growth and hyperkeratosis reveal no signs of malignancy. Chronic venous insufficiency and lymphedema can be associated with various secondary skin lesions: the formation of ulcers, hyperkeratosis and skin papillomatosis, as well as infectious complications. Skin papillomatosis may be a manifestation of paraneoplastic syndrome, which requires a careful differential diagnosis. Timely treatment of complications in a patient with concomitant somatic pathology performed by a multidisciplinary team of specialists is necessary to improve the prognosis. Considering the relative rarity of Gottron’s papillomatosis and the lack of awareness among practicing physicians regarding the differential diagnosis of this disease, we present this clinical analysis.Description of a clinical case. Patient L., 42 years old (body mass index — 76.5 kg/m2) with chronic lymphovenous insufficiency, lymphedema, erysipelas of the right lower limb associated with unspecified skin papillomatosis, was urgently hospitalized in a health care institution “City Clinical Hospital No. 3” of Grodno (Republic of Belarus), consulted by a multidisciplinary team of clinicians including a therapist, a cardiologist, a dermatologist, an endocrinologist, an infectious disease specialist, and a surgeon. Taking into account the clinical status of the patient and the retrospective analysis of archival records of previous examinations performed on the patient in the health care institution “Grodno University Clinic”, the type of dermatosis was determined as Gottron’s papillomatosis of both lower extremities. In terms of the clinical diagnosis of the patient, complex therapy was initiated in a hospital setting, which was then continued at the outpatient stage.Conclusion. Adequate long-term treatment of morbid obesity and chronic lymphovenous insufficiency is necessary to prevent serious complications. According to the academic literature, timely diagnosis of such a rare dermatosis as Gottron’s papillomatosis, as well as the prescription of adequate therapy determine the possibility of regression in the early stages of the disease.
Features of the organizational concept of airspace management planning in the Russian Federation on the example of the Moscow airspace
Authors: Pechenezhsk V. K. , Chuvikovskaya E. K. 
Published: December 2023

In order to solve the tasks of increasing capacity of the air traffic service sectors (ATS), it is planned to use a number of measures to regulate air traffic flows at the stages of strategic and pre-tactical planning. In practice, the application of such measures is ineffective due to the deviation of the parameters of actual flights from those stated when submitting flight plans. The purpose of this study is to identify the main problems in the air traffic planning organization for the subsequent proposal of measures to improve the regulation of air traffic flows and prevent conflict situations at the stages of strategic and pre-tactical planning. To achieve this goal, the key documents of air traffic planning were analyzed, the analysis of flight parameters at different stages of planning was conducted on the example of the Moscow Area Center of the Unified Air Traffic Management System (UATMS). The review of the key documents regulating air traffic planning in the Russian Federation and the ICAO recommendations shows difficulties in coordinating and exchanging information between the parties concerned in the Russian Federation airspace management. Deviations from the schedule during the aircraft arrival/departure are calculated using the example of Domodedovo Airport. The number of submitted and canceled applications for the airspace management (ASM) during the air traffic planning in the Moscow Area Center of the UATMS is analyzed. The conducted studies allow us to draw up a conclusion about the state of the air traffic planning system and justify the inexpediency of detecting and preventing conflict situations at the stage of pre-tactical planning. The research revealed the obvious shortcomings of air traffic management in the Russian Federation, which can have a significant negative impact on the safety and economic efficiency of aircraft flights.
Substantiation of source data on the parametric algorithms for the classification of weather hazards
Authors: Vasiliev O. V. , Boyarenko E. S. , Galaeva K. I. 
Published: December 2023

The meteorological situation is one of the decisive factors determining the safety and frequency of civil aviation flights. Weather hazards (WH), associated with cumulonimbus clouds, such as a heavy shower, thunderstorm, hail, combined with high atmosphere turbulence, quite often lead to aviation events and even accidents. Currently, a domestic weather radar system of the near airfield zone (WR) “Monocle” has been developed and successfully operated. The criteria for the classification of meteorological phenomena (MP), used in the WR, have been developed individually for each phenomenon and have some heuristic character. These criteria are cumbersome and complicate the process of automating the WH classification. In this case, there is a natural desire to generalize the criteria and optimize them in accordance with the theory of distinguishing statistical hypotheses. This article discusses the application of the Bayesian approach to the WH classification. The statistical Bayesian decision theory assumes decision-making in terms of the probability theory when all significant probabilistic values, so-called sufficient statistics, are known. In order to obtain statistical descriptions of the probability distributions of reflectivity and the eddy dissipation rate (EDR), an analysis of radar signals, reflected from such MP as a rain shower, thunderstorm, hail was carried out. The article provides brief descriptions of the methods of conducting experiments to form statistical database and its analysis. Based on the above methods, the statistical parameter H(EDRmax) analysis for a rain shower, the amplitude distribution of reflectivity parameters and the EDR (Zmax, EDRmax) for thunderstorms and hail was carried out, which showed the low distinguishing ability of each individual parameter when solving the problem to classify MP within the assigned alphabet. The obvious solution is dictated by the theory of recognition. To increase the classification confidence, it is essential to share information parameters, for example, in the form of multidimensional distribution densities of the probabilities of random parameters. The article presents a parametric description of the MP “rain shower-thunderstorm-hail” classification features. An analysis to evaluate the probabilistic characteristics of the WH classification for the adopted empirical classification criteria in the WR shows that the adopted criteria are far from optimal in terms of the probabilities of the correct classification, especially in the rain shower case. It is obvious that a problem solution of the assigned classification confidence is associated with the optimization of the feature space and classification criteria. Based on the data obtained, it is necessary to build an algorithm to classify the WH “rain shower-thunderstorm-hail”.
Systematic Review of Misconceptions in Kinematics: Identification, Causes, and Remediation
Authors: Rahmadani Uci , Sundari Putri Dwi , Hidayati Hidayati , Dewi Wahyuni Satria 
Published: December 2023

The purpose of this study was to find out the topics that become students' misconceptions in kinematics, the causes that can trigger misconceptions, and the remediation used to overcome these misconceptions. The method used in this research was the systematic review method. Based on the data analysis, it was found that the biggest misconception among students was in straight motion. Several causes trigger the emergence of misconceptions in kinematics, where the causes that often arise come from the students themselves, namely, students' preconceptions or initial conceptions, students' abilities, students' cognitive development stages, wrong intuitions, and students' reasoning. The remediation that was often used to remediate misconceptions was the use of learning models, for instance, generative models.
EFFECT OF HEATING TEMPERATURE AND COOLING RATE ON THE FORMATION OF STRUCTURAL COMPONENTS IN STEELS
Authors: FILONENKO N.Yu. , BABACHENKO O.I. , KONONENKO G.A. 
Published: December 2023

Formulation of the problem. One of the key areas of research into the mechanical properties of steels lies in developing methods of manufacturing steels with a grain structure and a high degree of carbides dispersion or other inclusions that will be located in the pearlite grain as a result of heat treatment. Changes in external factors such as temperature, pressure etc. are known to cause changes in the structural components of alloys and steels. The most usual way of fixing the high-temperature state for metal systems is through hardening, which is the removal of heat at high rateIt is known that microcomplexes formation is possible in melts at temperatures exceeding the liquidus temperature. There is much research of melts at temperatures above liquids for the presence of stable microcomplexes in binary alloys. However, there are no data on heat flow above the liquidus line for phase formation during crystallization and the structural components formation in steels. Purpose of research − investigation of chemical composition effect and heating temperature above the liquidus line and cooling rate on the structure formation in steels. Methods. Microstructural, micro X-ray spectral and X-ray phase analyses to determine the steel structural properties are used. Results. A new type of heat treatment including heating of the experimental steels with the alloy system (K + (Al + N + Ti)) and (K + (Al + + N) above the low-temperature line by 50...150 ºC is suggested and investigated. Subsequent cooling at rates of 102…105 ºС to fix the melt high-temperature state after experimental steels heating over the liquidus line by 50…150 ºС is performed. As a result of such processing the dispersed structure which is strengthened by dispersed inclusions is formed. The inclusions were < 0,1 μm in size and were evenly distributed in the grain volume and partially along the boundaries. The martensite formed by the steel rapid cooling had a finely differentiated and rail-like morphology. Scientific novelty. A new method of steel processing is proposed. Regularities of structural components formation in the heat treatment process including steels’ heating over the liquidus line by 150…170 ºС is determined. Practical significance. This method of thermal action influence allows to receive the homogeneous structure strengthened by dispersed inclusions. The method allows choosing the optimal modes of differentiated heat treatment to obtain the most homogeneous structural state and specified mechanical properties.
TO THE DEVELOPMENT OF STATISTICAL MODELS OF WEAR ROLLS OF LONG PRODACTS MILLS
Authors: Volodymyr Samokhval , Yevhen Stasko , Oleksandr Vasyliev 
Published: December 2023

For long products rolling mills, a change in the indicators of wear and costs in a relatively wide range is characteristic, depending on the type of rolled product, the features of the technology, the materials used in the rolls, and other factors. This largely determines the level of operating costs when rolling profiles. Therefore, increasing the wear resistance of long product mill rolls was and remains an urgent task in metallurgy.
The purpose of the work is to analyze the structure of known mathematical models of wear of rolls of rolling mills, features of wear of rolls of individual long-products rolling mills, and to determine a general approach to the construction of statistical models for predicting the wear of such rolls.
From the review of the literature, it was established that the structure of most wear models includes technological parameters, that are most significant for a certain state, and an empirical coefficient. For the conditions of long products mill, in each of the stands, most of the parameters change within rather narrow limits due to technological deviations. Therefore, for stands mills in such conditions, it is advisable to use "local" statistical models obtained from the results of wear measurements. The structure of such models can be represented as the product of the empirical coefficient, which indirectly reflects the influence of the main technological parameters, and the friction way, as the main factor of the Archard model.
As an empirical coefficient, it is recommended to use the indicative wear intensity of the rolls, defined as the ratio of the amount of wear of the groove roll to the mass of rolled products obtained from this pass. The revealed features of the change in the wear intensity indicator are due to the processes of processing the initial surface and the formation of a certain microstructure. After the rolling of the threshold mass of rolled products, these processes are completed and the indicator of wear intensity reaches a stable value. The initial and permanent value of the wear intensity indicator, as well as the threshold value of the mass of rolled steel, are determined based on empirical data on wear and mass of rolled steel for each of the stands mill.
The proposed method of determining wear using the wear intensity indicator as an empirical coefficient that indirectly reflects the influence of all significant factors of the process provides sufficient accuracy of wear prediction and can be used to determine the costs of rolls.
SYNTHESIS OBSERVER OF THE LOAD TORQUE AS PART OF THE VECTOR CONTROL SYSTEM OF THE DOUBLY FED MACHINE
Authors: Oleh Kliuiev , Oleksandr Sadovoi , Yuliya Sokhina , Andrii Donchenko 
Published: December 2023

The standard implementation of an asynchronous electric drive according to the scheme of a doubly fed machine is that the stator of the asynchronous machine is connected to the network, and the rotor circle is powered by a frequency converter. Extreme adjustment of the reactive power of the rotor doubly fed machine is carried out by the stator. At the same time, the objective function includes the moment of static load, which cannot be measured. Therefore, to determine the load moment an observer was developed, which is in the feedback loop of the vector control system of the doubly fed machine. The observer evaluates the moment of load on the shaft of the asynchronous machine during its sudden changes.
In the paper using the method of modal control the synthesis of the observer of static load on the shaft of the doubly fed machine was carried out. The synthesis is based on the equations of the active power channel of the doubly fed machine in the coordinate axes oriented along the stator flux coupling vector. The synthesis of the observer was carried out based on the assumption that the moment of load on the shaft of an asynchronous machine varies according to the fan characteristic. However, when one parameter is set to zero, the structure of the observer presented in the article can be used to calculate the constant moment of the load, including when it changes abruptly. The synthesis of the observer was carried out based on the assumption that the parameters of the asynchronous machine, which are used in the calculation of the parameters of the observer, are precisely known and do not change during operation.
The asymptotic stability of the observer of the load moment on the shaft of the doubly fed machine was confirmed by the method of mathematical modeling, and its accuracy and speed are sufficient for the purposes of extreme control. Further research can be aimed at finding such observer structures that will be invariant to changes in some parameters of the electric machine.
ПСИХОЛОГО-ПЕДАГОГІЧНІ ПРОБЛЕМИ РОЗУМІННЯ СТУДЕНТАМИ ТЕКСТІВ В УМОВАХ ЦИФРОВІЗАЦІЇ НАВЧАННЯ
Authors: Чепелєва Наталія , Смульсон Марина , Рудницька Світлана , Ширяєва Людмила 
Published: December 2023

Мета статті полягає в тому, що на основі концепції розуміння тексту як процесу засвоєння та породження смислів схарактеризувати інноваційну технологію розвитку в студентів читацької компетентності в умовах дистанційного, змішаного та офлайн навчання, що є запорукою формування в них читацької компетентності, яка лежить в основі оптимізації навчально-професійної діяльності майбутніх фахівців.
Ефективність запропонованої технології забезпечується орієнтованістю на систему учбових задач, які зумовлюють оволодіння читацькою діяльністю в повному обсязі та основними прийомами розуміння тексту будь-якого формату: вибір стратегії читання залежно від цілей і завдань читання, побудова смислової структури тексту, резюмування тексту, діалогічна взаємодія з текстом, коментування тексту, складання реферативних оглядів проблеми.
Основна перевага розробленої технології полягає в тому, що вона забезпечує оволодіння студентами основними прийомами читання в умовах цифровізації навчання та є вагомим чинником оптимізації їх навчально-професійної діяльності в сучасних умовах підготовки висококваліфікованих фахівців.
Запропонована технологія є продуктивним інструментарієм формування читацької компетентності студентів у процесі здійснення ними читацької діяльності в контексті усіх сучасних форматів навчання у виші: онлайн, офлайн, а також змішаного формату.
Managing the Resilience of Territories, Business and Tourism in the Context of Urbanization of Socio-Economic Processes
Authors: Prysiazhniuk Oksana , Plotnikova Mariia 
Published: December 2023

Urbanization of socio-economic processes entails both positive and negative phenomena. Concentration of resources and creation of prerequisites for industrial production and economic development of territories are considered positive aspects. However, an evident negative aspect is the low level of attention given to ecology and the human living environment. Increasing pollution in urban areas causes health problems for their residents. Purpose: To search for mechanisms for improving sustainable territorial development management with a focus on business and tourism ecologization. Design / Methodology / Approach: Iterative interviews. Findings: By considering open social innovation management as a dynamic, rather than stable, linear, or deterministic process, more effective theories can be created regarding what they are and how they work. The authors utilized empirical data from iterative unstructured “in the making” interviews to analyse how open innovation initiatives evolve over time. While the initiative is “in the making,” it presents complex challenges and increases participants’ freedom of action for the present and future. Therefore, compared to more linear models such as life cycle dependency theories, the process theory argues that management initiatives of social innovation ecosystems are dynamic and evolutionary rather than deterministic. Over time, these initiatives will increasingly incorporate a values focus. It has been demonstrated that the process theory can assist practitioners in perceiving, utilizing, and transforming their temporary adoption of open innovations, as it explores what individuals or organizations do rather than who they are. However, this study emphasizes that initiatives in the field of open social innovation management, transforming the entrepreneurial environment, including from the perspective of tourism development, should have a structured systemic nature due to their worldview foundation. They require ongoing attention, stability, and the need to develop their dynamic capabilities from both the residents of ancestral settlements and the local self-government system, government bodies, to develop, adapt, and jointly advance these initiatives in an ecosystemic environment. Furthermore, while the process theory grants practitioners some freedom of action, it also emphasizes the constant search for alignment between interrelated and constantly changing conditions of implementation environments, as well as the goals and strategies of participants in socio-economic transformations. Originality / Value: The relevance of ecological orientation in business and tourism, as well as their role in ensuring sustainable territorial development, has been demonstrated. Practical Meaning: Strengthening business and tourism development through the implementation of the “Ancestral Homestead” concept. Further Research: Development of models for sustainable territorial development based on ecologization.
Enterprise Costs: Essence and Management Features in Modern Conditions
Authors: Berzhanir Inna 
Published: December 2023

Purpose: The objective of the article is the study of theoretical provisions and the development of practical recommendations for improving the company's cost management methodology. Design / Methodology / Approach: The following methods were used in the research process: methods of induction and deduction, the method of comparison, the method of generalization – to reveal and clarify the economic essence of costs; system approach – to build a system of cost management of the enterprise; statistical research methods – to assess the structure and dynamics of enterprise costs; graphic – for a visual presentation of research results. Findings: The article examines the economic essence of enterprise costs through the prism of national and international accounting standards. The composition and structure of the company's costs were diagnosed and the factors that influenced their change were analyzed. The theoretical and methodological aspects of enterprise cost management are justified. Originality / Value: The scientific novelty of the obtained results lies in the identification and disclosure of directions for improving the company’s cost management methodology. It has been proven that cost management of an enterprise is a complex and dynamic process that involves achieving a high economic result of its operation. Practical Meaning: The practical significance lies in certain places and the role of costs in achieving production efficiency. It has been established that in order to form an effective cost management system for an enterprise, it is necessary to develop a management strategy, record and analyze costs in terms of their volume, dynamics, structure and responsibility centers, as well as identify trends in the level, volume and structure of costs per unit of output. Further Research: For the correct choice of the cost optimization method, it is necessary to take into account external and internal factors, the determination and assessment of the impact of which on the company’s costs are areas of further research.