bluuebunny/crossref_metadata_2025 huggingface dataset:
Assessing the Impact of Post-COVID Syndrome on Moscow Residents' Health
Authors: Khramova Marina , Smirnov Alexey , Ryazantsev Nikita
Published: December 2023

One of the problems faced by the global community after the coronavirus pandemic was the so-called post-COVID syndrome (or “long-COVID”). In this work, we study the influence of various subjective manifestations of post-COVID syndrome on the well-being and some aspects of employment of the Moscow population. The study is based on data from an online sociological survey conducted in January 2023 on the VKontante social network. 674 questionnaires were selected for analysis. In general, we can talk about the representativeness of the sample, although it is certainly worth keeping in mind the sampling bias due to the characteristics of the socio-demographic profile of the VKontante user audience. Respondents were selected who were working in Moscow at the time of contracting coronavirus infection. The questionnaires were processed using the SPSS package. Analysis of the online survey data allowed us to draw the following conclusions. About 14% of respondents indicated the absence of post-Covid syndrome. The rest, to one degree or another, encountered various manifestations of it (multi-choice was assumed). Thus, about 67% indicated weakness and increased fatigue. 65% of respondents had impaired sense of smell; headache, decreased attention, sleep disturbances. In 44% of cases, respondents reported a long-lasting cough and shortness of breath. Objectively, for more than half of the respondents (53%), the symptoms disappeared within 3 months, so from a medical point of view we can say that they did not have post-Covid syndrome. However, there were also those who noted longer-term negative health effects. Thus, in 14.7% the consequences were pronounced up to 6 months, in 14.4% up to a year and in 17.9% more than 1 year. We also identified a statistically significant relationship between the duration of symptoms and the age of the respondent. Older Moscow residents are more susceptible to long-term post-Covid syndrome. Only a little more than 3% of respondents indicated that as a result of illness and subsequent deterioration in health, they had to change jobs or quit. We conclude that post-Covid syndrome is a truly significant phenomenon that has affected the well-being of Muscovites in the short and medium term.
Prediction of Re-Radiated Noise and Vibration Generated in the Vicinity of Railroad Lines
Authors: Zav'yalov Aleksey
Published: December 2023

Purpose: To analyze a ScopeRail model capable of predicting re-radiated noise and vibration in structures located in close proximity to rail lines. To compare the obtained results with an alternative, widely used model for accuracy assessment and the potential cost reduction of assessing the impact of vibrations on residential areas for new railway lines. Methods: To perform statistical analysis of the obtained data for modeling vibration of different types of ground. To calculate simulation results in order to create a database of vibration characteristics for different ground conditions, train speeds and distances from the track. Results: The results obtained have been analyzed and compared with an alternative, widely used model for determining accuracy. It is found that the ScopeRail model yields higher prediction accuracy, which can potentially reduce the cost of assessing the impact of vibrations on residential areas for new rail lines. A model is obtained which can instantly predict the vibration and re-radiated noise levels for different types of soil at different speeds of passing trains. Practical significance: Re-radiated vibration and noise model for the spaces in buildings immediately adjacent to the railroad track has been developed using a set of empirically obtained factors. Vibration and noise impacts have also been modeled using additional vibroacoustic mitigation measures (slabs and ballast mats) as well as vibration excitation parameters (switches, crossings and wheel stoppers).
Mechanical Characteristics of Restoration Solutions When Metacaolines Are Used in Their Compositions
Authors: Kazanskaya Liliya , Smetanin Aleksey
Published: December 2023

Purpose: To analyze the possibility of using highly active metacaolines in the compositions of gypsum-lime binders for restoration work. To consider the compatibility of the components of restoration solutions based on the reproducibility of their main characteristics, such as mineralogical and chemical composition, physical and mechanical properties and durability. Methods: The work uses physico-chemical research methods, as well as methods of comparative analysis, in accordance with the guidelines of GOST 125-2018 “Gypsum binders. Technical conditions”. Results: It is shown that the introduction of metacaolin into the binder compositions provides an increase in the strength of the binder stone. The optimal amount of metacaolin is 20% in a gypsumlime mixture. It has been experimentally established that an increase in the content of Al2O3 in metacaolin from 39 to 44% leads to an increase in the early compressive strength of a stone made of modified gypsumlime binder. An increase in the content of Al2O3 leads to an increase in strength characteristics. Practical significance: The conducted studies demonstrate that such indicators as the average particle size, specific surface area, have an impact on the hydraulic activity of the pozzolan additive. The quality of highly active metakaolins is directly dependent on the degree of purity of kaolin. However, additives may differ in the mass content of oxides, in particular the content of the main oxides SiO2 and Al2O3. The use of highly active metacaolines in the compositions of gypsum-lime binders makes it possible to restore architectural monuments.
Designing the Composition of High-Strength Self-Compacting Concrete Using Neural Network
Authors: Hodakovskiy Valentin , Shvarc Mihail , Shvarc Filipp
Published: December 2023

Purpose: To extend the possibility of interpreting the results of a limited number of physical experiments while selecting the components for the creation of concrete mixes and concrete on its basis with the required output properties. Methods: Using a neural network in the analytical environment Loginom, a model with six input variables representing introduced special additives and seven output variables representing the quality parameters of the concrete mix and concrete has been built. Results: In the process of training a three-layer network model has been formed, with the help of which the predicted output characteristics of concrete mix and concrete have been obtained. Experimental data and neural model prediction for each output variable have been compared in a clear graphical form. Practical significance: Prediction of the required characteristics of the synthesized material by means of the neural model response to various combinations of input data allows to carry out an optimal number of physical experiments. It is possible to apply the proposed modeling method for various multicomponent materials.
Basic Requirements for Means of Communication and Information Support for Medical Evacuation by Rail
Authors: Tatarenko Aleksey , Kazakevich Elena , Privalov Andrey , Lopatin Stanislav
Published: December 2023

During the special operation in 2022, more than 60 railway runs have been carried out to evacuate wounded servicemen to military medical organizations, including transportation by rail. The rolling stock used for the military sanitary train does not fully meet the modern requirements for equipping with information and telecommunication systems, and, therefore, does not contribute to the effective use of military sanitary train for its intended purpose. Purpose: To consider the issue of improving the equipment of MST communication facilities and improving information and communication support for the passenger fleet of railway transport used for medical evacuation needs. Methods: Methods of system analysis and operations research theory have been used. Results: A prospective model for information exchange among personnel within the MST has been developed. The main requirements for communication and information support means for medical evacuation by rail have been determined. An algorithm of tasks has been formulated for further organizational and methodological research on the implementation of information and telecommunication technologies, including measures for developing tactical and technical requirements for communication means of military medical train personnel. Practical significance: Requirements for communication and information support means for medical evacuation by rail have been identified. These requirements are to be used in the course of experimental and design work on the development of an information and telecommunication complex for the military medical train.
Determination of Optimal Cutting Modes when Turning Railway Wheels
Authors: Kononov Dmitriy , Gomonec Yuliya
Published: December 2023

Purpose: Increasing the durability of the cutting tool when reprofiling the tread of the railway wheels by controlling the vibrations of the “machine-tool-workpiece” system. Methods: Vibrations arising in the process of turning the tread of car wheels under various cutting modes have been investigated. To do this, a matrix of experiment planning has been built using the Box-Wilson method, according to which all factors change in turn (cutting depth, cutting speed, feed). Based on the results of each series of the experiment, a mathematical model is selected and the numerical values of the coefficients of this equation are estimated. In accordance with the power dependences accepted in the theory of cutting, a mathematical model in the form of a logarithmic polynomial of a series of the first degree has been postulated for the experiments carried out. Mathematical processing of measurement results has been carried out using fractal dimension. The fractal dimension has been determined by the standardized range method. Results: A correspondence has been established between the durability of the cutting tool and the intensity of its vibrations when turning railway wheels. The mathematical dependence of the fractal dimension on the cutting modes is obtained, which allows to adjust the cutting speed or feed during the reprofiling the tread of the wheel when there are defects. Optimal cutting modes, which allow to achieve a given quality of the rolling surface of the wheel in the shortest time, give the highest value of the fractal dimension. The presence of such defects of the wheel tread, such as slid flat, buildups, shellings, leads to a decrease in the fractal dimension. Practical significance: The determination of the fractal dimension in the process of turning wheel pairs makes it possible to automatically adjust the cutting modes to ensure a given quality of the wheel tread and the required durability of the cutting tool.
A Study of Physical and Mechanical Properties of the Ballast Section Materials for Higher-Speed and High-Speed Railways
Authors: Kolos Aleksey , Serebryakov Dmitriy , Demin Kirill , Chebotaev Danil , Isakov Sergey , Evan Nikolay
Published: December 2023

Purpose: To substantiate the relevance of conducting research on the properties of ballast materials. To describe the methodology for conducting laboratory tests and present the results of a study of the physical and mechanical properties of ballast materials for higher-speed and high-speed train traffic. To propose the design of a ballast section using used car tires. Methods: Carrying out laboratory tests of samples of gravel from basalt, granite and gabbro-diabase for abrasion in an abrasion-tester and for impact resistance in a PM drop-testing machine. Results: The weight loss has been determined after tests for abrasion in an abrasion-tester and after tests for impact strength on a drop-testing machine. The lowest weight loss has been recorded for a sample of basalt, an intermediate weight loss has been observed for a sample of gabbrodiabase, and the highest - for crushed granite. Practical significance: Basalt rocks have the lowest mass loss in both abrasion-tester and impact tests compared to gabbro-diabase and granite. The authors have proposed a variant of the ballast section design and experimentally substantiated the choice of ballast material for this design. The results obtained can be used to substantiate the choice of ballast material in the design and construction and in modeling the performance of ballast in the track.
Evaluating the Possibility of Automatic Determination of the Spark Gap Condition
Authors: Agunov Aleksandr , Terehin Il'ya , Scherbakov Roman , Abishov Erbol , Baranov Ivan
Published: December 2023

Purpose: To consider the possibility of automatic determination of the spark gap condition. Methods: The article analyzes devices and methods of automatic control of the spark gap condition. It also presents their features and disadvantages, based on which conclusions are made concerning the convenience of operation in production, the quality of the spark gap condition monitoring, the possibility of using the system in automatic control systems. Results: A new modernization of spark gaps is proposed, which will allow not only to organize automatic monitoring of their condition, but also to introduce automatic monitoring of spark gaps condition into the system of railway infrastructure monitoring using unmanned aerial vehicles, which is currently the subject of special attention from the holding company JSC “Russian Railways”. The justifications for choosing this particaular new modernization include minimal capital investments, while maintaining the necessary and sufficient efficiency of spark gap monitoring. Also, there is the possibility of integration into the existing monitoring system with the use of unmanned aerial vehicles. Practical significance: The possibility of automatic determination of the spark gap condition is shown, which corresponds to the priority direction of digitalization of railway transport and railway infrastructure of the holding company JSC “Russian Railways”, specified in the holding company’s development strategies up to 2030 and in the perspective up to 2035.
A Logistics Approach to Strategic Planning for the Operation of Low-Intensity Railway lines
Authors: Kovalev Konstantin , Novichihin Alexey , Badeckiy Aleksandr
Published: December 2023

Purpose: To develop a logistics approach to strategic planning for the operation of low-intensity railway lines, based on the improved concept of SPACE analysis. Methods: Methods of control theory, SPACE analysis and fuzzy cognitive modeling have been used. Results: A new approach to strategic planning of logistics processes on low-intensity railway lines is proposed based on the use of improved SPACE analysis, in terms of the use of fuzzy cognitive maps to estimate parameter values. Possible scenarios for the operation of low-intensity lines based on the concept of SPACE analysis are considered. Practical significance: The proposed logistics approach to the strategic planning of logistics processes for the operation of low-intensity lines will allow for the effective distribution of technical and technological resources, taking into account the requirements of consumers of transport services.
Rehabilitación de personas con trastorno mental grave
Authors: Valero Aguayo Luis , Ureña García Angel
Published: December 2023

Introducción: Los trastornos mentales graves (TMG) constituyen un problema de salud creciente, por el aumento de la morbilidad y mortalidad asociados a ella. El tratamiento de personas con TMG incluye la posibilidad de utilizar nuevas tecnologías que ayuden en el proceso de recuperación personal. Objetivo: Revisar y resumir los distintos tipos de intervenciones que se aplican en personas con TMG y delimitar su eficacia y calidad. Método: Se llevó a cabo una revisión sistemática en las bases de datos: Science Direct, Scopus, PsycLit, OT Seeker, Proquest, Dialnet y Scholar Google, y se evaluó la calidad de los estudios mediante la Downs and Black Checklist. En la revisión final se incluyeron 28 estudios. Resultados: La mayoría se ha realizado sobre personas con esquizofrenia y otros trastornos psicóticos, con tamaño del efecto medio. Esos estudios han utilizado terapia asistida por ordenador, dispositivos móviles, videojuegos y realidad virtual. La terapia de remediación cognitiva es la que más utiliza tecnología, con una mejoría significativa en conductas cognitivas. Conclusión: Estas tecnologías tienen potencial para mejorar los programas para personas con TMG. Sin embargo, se requiere de más y mejor investigación con mayor calidad metodológica, para valorar de forma fiable su implementación y eficacia.
La protección constitucional del derecho a la verdad extrajudicial mediante el mural urbano ¿quién dio la orden? Un acto de memoria histórica del conflicto armado interno colombiano
Authors: Granada Gómez Laura Yuleiny , Molina Acosta Carlos Santiago
Published: December 2023

La presente investigación pretende analizar someramente el derecho a la verdad haciendo hincapié en su acepción extrajudicial y, en particular, en la memoria histórica que ha sido abordada mediante la sentencia T - 281 del 2021, en la que en consecuencia al proceso instaurado por el general Marcos Evangelista Pinto Lizarazo en contra del mural urbano ¿Quién dio la orden? Se evidencia la protección constitucional del derecho a la memoria histórica en virtud del pronunciamiento de la Corte Constitucional.
Salud e integración de las mujeres inmigrantes
Authors: Torró i Calabuig Aitana
Published: December 2023

A la hora de acceder a los servicios sanitarios, las mujeres inmigrantes – especialmente, aquellas en situación administrativa irregular – se van a topar con una serie de obstáculos concretos, fruto de los diversos ejes de desigualdad que las atraviesan y dan forma a su ubicación en la trama social. Así, se pretende exponer la necesidad de incorporar un enfoque interseccional y de género en las políticas de integración, concretamente las relativas al ámbito sanitario, a través del análisis de la legislación estatal y autonómica existente, que revelará los avances conseguidos y las deficiencias persistentes en la materia.
Influence of different working lengths on the shaping ability of Reciproc Blue in the apical third and apical foramen
Authors: Carvalho Rafael Henrique de Oliveira , Coelho Marcelo Santos , Dantas Hugo Victor , Sousa Frederico Barbosa de , Matta Aline Cristine Gomes , Soares Adriana de Jesus , Frozoni Marcos Roberto dos Santos
Published: December 2023

Aim: This study aimed to assess the shaping ability of Reciproc Blue in the apical third and apical foramen of moderately curved canals at different working lengths (WLs), by micro-computed tomography. Methods: Thirty-six mesial roots (mesiobuccal and mesiolingual canals) were included, each with 2 separate root canals and independent apical foramina, according to type IV of Vertucci’s classification of first and second mandibular molars. The canals were instrumented at three different WLs: G-1, 1mm short of the major apical foramen; G0, at the major apical foramen; G+1, 1mm beyond the major apical foramen. The groups were assessed for changes in root canal volume and untouched wall area in the apical third. Groups G0 and G+1 were also compared for percentage of untouched walls at the apical foramen. One-way ANOVA (post hoc Tukey test) and Student’s t-test adopted a 5% level of significance. Results: Root canal volumes (mm3) in the apical third were 22.86±10.46, 44.48±24.91, and 55.71±21.32 in G-1, G0 and G+1, respectively. G-1 volume following instrumentation increased significantly less than that of G0 or G+1 (P>.05); G0 did not differ from G+1. The percentage of untouched wall area in the apical third did not differ among the three groups (P>.05). G0 and G+1 did not differ regarding untouched walls in the major apical foramem walls. Conclusion: Extending the WL from 1mm short of the apical foramen to a point at and beyond the WL increases the apical third volume without increasing the prepared area. Untouched surface areas of the apical foramen were not modified by instrumentation at or beyond the foramen.
Produtividade e inovação ambiental
Authors: Santos Maria Alice , Santos Emerson Costa dos , Maia Maria de F´átima Rocha
Published: December 2023

O mundo atual busca utilizar cada vez menos materiais para produzir a mesma unidade de riqueza. Entretanto, a pressão sobre os recursos naturais continua crescendo devido à magnitude do crescimento da produção. Nesse cenário, a substituição ou adaptação de padrões tecnológicos atuais, visando as inovações ambientais, tornou-se uma alternativa para o crescimento sustentável. As exigências do mercado e a competitividade entre as empresas fazem com que a adoção de princípios ambientais torne-se condição necessária à sobrevivência das empresas. O trabalho teve como objetivo analisar a produtividade das empresas, que realizaram inovações ambientais, da indústria de transformação de Minas Gerais no período de 2000 a 2017. Os resultados apontaram que as empresas da indústria de transformação de Minas Gerais que realizarem inovação com enfoque ambiental garantiram aumento de produtividade, sendo a regulação ambiental um dos fatores que também contribuíram para esse aumento ao analisar os níveis de intensidade tecnológica.
Sistema da gestão da inovação e transformação digital
Authors: Martins Leonardo , Athanazio Raphaela Cristina Severiano , Franco Gustavo Pereira , Paes Ana Carolina dos Santos , Bagno Raoni Barros
Published: December 2023

Sistemas de Gestão da Inovação (SGI) têm sido debatidos nas últimas décadas dada a sua importância para auxiliar empresas a inovar regularmente. Em paralelo, o debate da Transformação Digital (TD), um tópico transversal a vários campos de estudo e setores econômicos, tem emergido de forma acelerada trazendo riqueza de perspectivas, mas também complexidade ao debate da inovação nas empresas. Este estudo busca identificar as oportunidades associadas a uma visão integrada entre SGI e TD, investigando como elementos dessas abordagens podem se apoiar mutuamente. Tal integração ainda se mostra incipiente e os campos seguem majoritariamente trajetórias paralelas entre as vertentes de estudo. Entre as conclusões, afirma-se que, por um lado, um SGI pode nortear iniciativas de TD através de estrutura e processos concebidos para lidar com projetos de alta incerteza; por outro, a TD traz uma série de conceitos e tendências, tecnológicos e organizacionais, que podem fomentar SGIs aprimorados.
Resenha do livro “India From Latin America – Peripherisation, Statebuilding and Demand Led Growth”, de Manuel Gonzalo (2023)
Authors: Tavares João Marcos Hausmann
Published: December 2023

“India from Latin America” é ao mesmo tempo um convite tanto para apreender a experiência indiana a partir de um ponto de vista latino-americano, quanto para refletir sobre a nossa própria história material e de pensamento crítico. Finda a leitura, conhecemos não apenas mais sobre a Índia, mas também sobre uma nova forma de articular a economia política latino-americana, a literatura da inovação e a da demanda efetiva. Gonzalo mostra que há paralelos histórico-estruturais entre as regiões que fornecem ricos elementos de aprendizado comum entre as experiências latino-americana e a da Índia.
Características clínicas y urodinámicas de las mujeres con detrusor hipoactivo
Authors: Encarnación-Cadenillas Eduardo , Espinoza-Chávez Diego E , Romero-Carmona Meilyn , Medina-Ninacondor Raúl , Loza-Munarriz César , Cadenillas-Coronel Emma
Published: December 2023

Objetivo: Determinar las características clínicas y urodinámicas en mujeres con detrusor hipoactivo (DU). Material y métodos: Estudio de serie de casos de corte transversal, retrospectivo, comparativo, entre 2 grupos de pacientes femeninos con síntomas del tracto urinario inferior (STUI). Grupo 1: pacientes con DU según criterios urodinámicos, presión del del detrusor en el flujo máximo de 30 cm H20 (PdetQmax30) o eficiencia del vaciado de la vejiga (BVE) y grupo 2: pacientes sin DU. Se utilizaron medidas de tendencia central y proporciones para la descripción de los datos y pruebas paramétricas para la comparación entre grupos. Resultados: Ciento cincuenta y cinco pacientes fueron incluidos, 44 con DU (grupo 1) y 111 sin DU (grupo 2), con una media de edad de 60,8 ± 16,3 y 55,7 ± 13,4 respectivamente (p=0,0468). La nicturia (p=0,0061) y el esfuerzo miccional (p=0,000) fueron las únicas variables clínicas que presentaron una diferencia significativa en el análisis bivariado. La media de watts factor (WF) fue 3,2 ± 1,0 y 6,0 ± 2,2 en el grupo 1 y 2 respectivamente (p=0,000), mientras que el promedio de la presión isovolumétrica proyectada 1 (PIP1) fue de 28,0 ± 7,5 y 45,9 ± 11,2 respectivamente (p=0,000).En el análisis multivariado, la edad > 60 años, la nicturia, el esfuerzo miccional, tuvieron asociación significativa con DU. Conclusión: Las variables urodinámicas como PIP1, índice de contracción vesical (BCI), BVE y WF mostraron una diferencia significativa en el análisis bivariado, siendo el WF <5 y BCI <80 las que mejor identifican la presencia de DU en mujeres.
Relación entre la discapacidad en locomoción y en comunicación y la escolaridad en pacientes con parálisis cerebral
Authors: Rodriguez Ramirez María , Najarro-De La Cruz Tany , Fajardo-Campos Pedro
Published: December 2023

Objetivo: Identificar la relación entre la severidad de la discapacidad en locomoción y en comunicación y la escolaridad en pacientes con parálisis cerebral. Material y métodos: Estudio transversal y retrospectivo en 316 pacientes con parálisis cerebral entre los 3 y 12 años, atendidos entre julio del 2016 y junio del 2017 en el Instituto Nacional de Rehabilitación "Dra. Adriana Rebaza Flores" AMISTAD PERU-JAPÓN, Lima-Perú. Resultados: La edad promedio fue 6 años (rango de 3 a 12 años), 57% del sexo masculino. La parálisis cerebral espástica representó el 69,7% seguida por la discinética en 20,9%. El 69,6% estaba escolarizado y más del 50% presentó discapacidad severa en locomoción y comunicación. Se encontró una relación inversa entre la severidad de la discapacidad en locomoción y en comunicación y la escolaridad.  Conclusiones: Los niños con parálisis cerebral que presentan una mayor severidad de la discapacidad en locomoción y comunicación, tienen una menor asistencia a la escuela.
Percepción y conocimiento sobre sepsis en pobladores de Lima, Perú durante la pandemia de la Covid-19
Authors: Sánchez Diana , Crispín Ana , Fernández Diana
Published: December 2023

Objetivo: Determinar la percepción y nivel de conocimiento sobre sepsis durante la pandemia de la Covid-19 en pobladores de Lima, Perú. Material y métodos: Estudio descriptivo transversal utilizando encuestas electrónicas. Se incluyó a personas mayores de 18 años, residentes en Lima entre diciembre de 2020 y abril de 2021. Se excluyeron a personas relacionadas al área de salud. Resultados: Se realizaron 289 encuestas, la edad media de los encuestados fue 38±15 años y 63% fueron mujeres. El 64% respondió que había escuchado alguna vez la palabra sepsis; 63% tuvo la percepción de que sepsis es una infección potencialmente mortal, 18% no sabía, 8% inflamación severa y 7% como una reacción alérgica severa. El 53% no sabía que la Covid-19 puede desencadenar sepsis, mientras que 68% sabía que la sepsis puede desencadenar la muerte. Conclusión: La percepción más frecuente de sepsis en pobladores de Lima fue infección potencialmente mortal, sin embargo, más de la mitad no supo que la Covid-19 puede desencadenar sepsis.
A trilha interpretativa em escolas do campo como recurso pedagógico da Educação Ambiental
Authors: Almeida Edilaine Cristina da Silva , Senra Ronaldo Eustáquio Feitoza , Arruda Maria Auxiliadora de Almeida
Published: December 2023

Este presente artigo é o estado da arte da pesquisa de mestrado (PPGEN-IFMT) na educação do campo com a utilização de trilhas interpretativas, cujo objetivo é de sensibilização dos estudantes e comunidades rurais para a conservação do ambiente. Sendo a trilha interpretativa/ecológica um recurso pedagógico da Educação ambiental (EA), ou seja, uma estratégia pedagógica dentro de um ambiente vasto que as escolas do campo atendem. Considerando também que a EA precisa ter um olhar cuidadoso ao se trabalhar com projetos em escolas urbanas e escolas do campo. Visto que a EA na Educação do Campo precisa ter identidade, precisa estar contextualizada e valorizar a cultura local. Devendo ser um trabalho integrado e interdisciplinar das áreas do conhecimento dentro do tema transversal Educação ambiental, que visa identificar a percepção ambiental dos participantes com o uso da trilha interpretativa.
RESEARCH AND DESIGN OF THE MARKETING CLOUD SALESFORCE CRM ARCHITECTURE DEPENDING ON THE COMPANY'S MARKETING STRATEGY
Authors: Moskalenko Valentyna , Matviienko Andriy , Fonta Nataliia
Published: December 2023

The purpose of the study is to increase the level of effective attraction of new customers and retention of the company's existing customer base through the implementation of innovative marketing strategies. The expediency of using the concept of customer relationship management (CRM) and the use of CRM-class information systems to achieve the goal has been proven. The CRM platform Salesforce Marketing Cloud, which belongs to cloud types of information systems, was studied. A description of the Salesforce Marketing Cloud business logic is given, which includes decision-making based on analytical data, customer segmentation, automation of an individual approach to customers with the aim of increasing customer loyalty and increasing company revenue. Salesforce Marketing Cloud provides an opportunity to create and manage personalized marketing activities, interact with customers through various channels, analyze the effects of marketing efforts for continuous improvement of the company's marketing strategies. The functionality and features of the main components of Salesforce Marketing Cloud were studied. Salesforce Marketing Cloud allows you to effectively manage email marketing, mobile marketing, social media campaigns and other types of marketing. Salesforce Marketing Cloud empowers companies to create and manage personalized marketing efforts, engage with customers across multiple channels, and analyze their marketing efforts for continuous improvement. Salesforce Marketing Cloud architecture was designed for behavioral segmentation of the company's customers. A web application has been developed to improve the platform users' experience with customer data stored in Data Extensions. To automate customer segmentation based on their behavioral data, Automation Studio was used, SQL queries were built, and Data Views system data tables were used. The developed architecture of Marketing Cloud Salesforce CRM based on behavioral segmentation is an important tool for the implementation of the company's marketing strategy, ensuring the successful attraction and retention of customers, as well as for achieving strategic goals.
Control and management of microgrid clusters: development and future research
Authors: Fedoseienko Olena
Published: December 2023

The paper explores the potential of microgrid clustering technology and its impact on addressing energy and environmental challenges. Over the past decades, there has been a significant interest in using microgrids to ensure stability and reliability in power systems, especially considering the increasing utilization of renewable energy sources. Microgrid clusters coordinate power distribution between microgrids and the main grid, effectively addressing issues such as voltage rise, harmonics, low power factor, power backflows, and deficiencies in protection schemes. However, before implementing microgrid clustering, certain challenges need to be overcome, particularly in terms of design considerations. The paper critically reviews the design challenges of microgrid clustering, highlighting the advantages and challenges that arise during the development of microgrids, especially the problem of inadequate adaptation to large-scale renewable energy sources. The research analyzes various architectures of microgrid clusters and methods of their interaction. The classification of microgrid clustering is based on different architectures according to connection locations. Additionally, a comparison of different power transmission technologies within microgrid clusters, such as alternating current and direct current systems, is conducted with an assessment of the advantages and disadvantages of each technology. Considerable attention is given to the control and management of microgrid clusters, elucidating the possibilities of hierarchical and distributed management structures to ensure optimal power distribution and voltage and frequency regulation. In conclusion, the paper examines promising directions for further research aimed at enhancing the integration of large-scale renewable energy sources, developing intelligent management and energy management systems, as well as establishing reliable control and management systems for microgrid clusters.
Analysis of unified power quality conditioner errors
Authors: Lebed Denys , Burbelo Mykhailo
Published: December 2023

This article is devoted to error analysis of the unified power quality regulator. In the context of the growing importance of reliable and high-quality power supply, power quality regulators are becoming key devices to ensure the stability of networks and meet the needs of domestic consumers. The paper proposes a comprehensive approach to error analysis of the unified power quality conditioner, the main purpose of which is to compensate for the impact of rapidly changing loads on power quality. At the same time, indicators of general harmonic distortion of the quality of electricity are analyzed, and factors such as the magnitude and duration of loads are also taken into account. A large part of the article is devoted to the study of the sources of errors in unified power quality conditioner. A comparison of the parallel-serial and series-parallel topologies of unified power quality conditioner is performed. The influence of the unified power quality conditioner control algorithm on the formation of errors of each topology is analyzed. Using Matlab/Simulink computer simulation tools, the article proposes a framework for error quantification, which allows accurate estimation of errors at various stages of unified power quality conditioner operation. This framework covers the Fourier series transformation of voltage and power for comprehensive estimation of error magnitudes. To confirm the effectiveness of the proposed error analysis and compensation strategies, the article presents graphs of simulation results in the time and frequency domains. Active and reactive power generation errors and voltage setpoint errors are described. These findings emphasize the ability of unified power quality conditioner to improve the quality of electricity, despite measurement errors. The main results include the analysis of deviations of voltage quality indicators, the establishment of a connection between compensation errors and deficiencies in the functioning of the system, as well as the development of recommendations for improving the efficiency of compensation devices.
Analysis of the quality indicators of electricity supply services on the example of the distribution system operator JSC "Kharkivoblenergo"
Authors: Cherkashyna Veronika , Yakovenko Oleh
Published: December 2023

The resolution of the National Commission in 2021 for the operator of the distribution system JSC “Kharkivoblenergo”, which operates in the territory of the city of Kharkiv and the Kharkiv region, established a tariff for electricity distribution services with the application of incentive regulation, which provides for tariff formation on the basis of long-term regulation of tariffs and adjustment of the necessary income of the Company based on the performance of the task of achieving the target values of the quality indicators of electric energy and compliance with the guaranteed standards. In accordance with this Resolution, the indicators of the quality of services System Average Interruption Duration Index (SAIDI) and System Average Interruption Frequency Index (SAIFI) for the supply of electric energy were analysed using the example of the operator of the distribution system JSC “Kharkivoblenergo”. The SAIDI quality indicator is characterized by the duration of long interruptions in electricity supply in the distribution system of JSC “Kharkivoblenergo”. The SAIFI quality indicator provides information on the frequency of long interruptions in electricity supply in the distribution system of JSC “Kharkivoblenergo”. The analysis of SAIDI and SAIFI indicators was performed for the short-term period of operation of the operator of the distribution system JSC “Kharkivoblenergo”, namely for December 2021. Based on the results of the analysis of SAIDI and SAIFI indicators, it follows that the achievement of the target values of quality indicators allows adjusting the necessary rate of income for the operator of the distribution system JSC “Kharkivoblenergo”, and also creates a favourable investment climate, which ensures modernization, reconstruction and construction for the renewal of the energy infrastructure with the aim of improving the quality of providing services for the supply of electric energy to consumers. Also, the analysis of the indicated indicators made it possible to evaluate the work of JSC “Kharkivoblenergo” in terms of the implementation of established quality indicators, to identify problem areas in the Company's activities regarding the provision of guaranteed quality standards, to form and practically implement an investment program, to determine how quality indicators are reflected in tariff formation in the incentive regulation.
Modelling the operation modes of local MicroGrid networks with mobile wind and solar power plants
Authors: Dovgalyuk Oksana , Savchenko Natalia , Tretiak Andrii
Published: December 2023

The basis for the development of the global energy sector is the introduction of alternative energy and, accordingly, a complete change in approaches to the structural reorganisation of energy systems. An analysis of the state of electric power networks in Ukraine shows their almost complete depreciation, low reliability and structural obsolescence, which makes further development and expansion difficult to ensure the rapid growth of electricity consumption. Therefore, a trendy solution to the problem of modernising electric power networks while increasing their capacity and reliability is the use of MicroGrid systems, which are structural elements of the Smart Grid concept based on the intellectualisation of the management of the full cycle of electricity generation, use and storage. The miniaturisation and localisation of smart electric networks makes it possible to minimise power losses and ensure full control over their operating modes. A MicroGrid provides management of distributed energy resources and is essentially a hybrid, as it includes renewable energy sources alongside traditional ones. Regulation of MicroGrid operation modes and power flows in it is the key to increasing the sustainability of the operation processes. The article proposes the use of mobile wind-solar power plants as sources of distributed generation in the MicroGrid system, which is a new technical solution for improving the structural scheme of its implementation and optimising the management of operating modes. The structure of MicroGrid is substantiated and developed, and mathematical modelling of autonomous and hybrid modes of operation of the system with mobile renewable energy power plants is performed. The obtained results show the feasibility and energy efficiency of the developed MicroGrid system. Conclusions are drawn regarding the prospects for further development of MicroGrid with mobile power plants.
Solar on-grid power plant and its connection to the electric network
Authors: Zagaynova Alexandra , Serdyukova Galina
Published: December 2023

The network solar power plant and its connection to the electric network are considered. This system of autonomous alternative power supply belongs to the network type. The main focus of the system is the supply of generated electric power to the consumer's network and the transfer of the surplus to the city network according to the “Green Tariff”. The expected electrical capacity of the solar power plant is 860 kW. The system is a multi-branched star consisting of the following elements: solar batteries; network inverters; systems for monitoring network solar power plant mode parameters; electricity meters; power lines. The necessary number of solar panels to cover the power of consumers has been determined. The distribution of energy generated by solar panels is uniform between phases. Solar panels are placed on special metal ground structures. Inverters are selected to connect the panels to the three-phase alternating current network. Three-phase inverters are installed at this electrical station. The inverter is equipped with additional protective devices to guarantee safe operation in any conditions. Fuses are installed in the inverters to protect the equipment from short circuit and overvoltage. Inverters are installed on metal structures that are placed under tables with solar panels. All direct current wiring is made of specialized solar single-core cable with double polyvinyl chloride non-flammable insulation. The cross-section of the cables is selected according to the permissible current loads and checked for voltage losses. Tiles are laid in metal trays and open on structures. The connection of the solar power plant to the 10 kV network is transferred using a complete transformer substation of the external installation.
LOGISTICS SYNERGY AND SECURITY SYSTEM FOR SUSTAINABLE DEVELOPMENT IN GLOBAL HAZARDS
Authors: Volosnikova Nataliia
Published: December 2023

The article is devoted to the study of the relationship between logistics synergy and the security system as important factors for ensuring sustainable development in the context of global threats. The concept of logistics synergy is considered as an effective interaction and coordination of various logistics elements in order to achieve a total positive impact. The main focus of the article is aimed at analyzing the role of security systems in ensuring the sustainability of development in conditions of global dangers. It is studied how an effective security system can affect logistics processes, ensuring their reliability and resistance to external influences. The practical aspects of implementing logistics synergy and security systems into the practice of management in conditions of global risks are also considered. Emphasis is placed on the importance of developing integrated strategies aimed at a balanced combination of logistics efficiency and security to achieve sustainable development. An analysis of the important interrelationships between logistical synergies and security aspects is presented, as their integration can become a key factor in ensuring not only efficiency, but also sustainability in the face of global challenges. Various models and strategies aimed at the interaction between logistics processes and security systems are given, in particular, in the context of addressing uncertainty and risks arising from global hazards. An important emphasis is placed on the need to develop integrated strategies that cover both aspects of optimizing logistics processes and systems for warning and responding to possible threats. The author offer practical recommendations for implementing an integrated approach to managing logistics and security in the face of global uncertainty. The conclusions of the article can be useful for logistics specialists, researchers in the field of security and sustainable development, as well as for practicing managers who seek to optimize their strategies in the face of complex global conditions.
DIRECTIONS FOR IMPROVING THE ORGANIZATION OF THE ANALYSIS OF THE PROFITABILITY TO INCREASE THE EFFICIENCY OF ACCOUNTING AND ANALYTICAL ACTIVITY AT THE ENTERPRISE
Authors: Iershovа Natalia , Bukatenko Nataliia
Published: December 2023

In the article, corporate social responsibility as an anti-crisis strategy for the activity of an enterprise is investigated. It is determined that social responsibility is an integral part of corporate governance. The advantages of corporate social responsibility depending on the size of the enterprise when making anti-crisis management decisions are systematized. It is presented that each company understands the essence of the concept of "impact on society", depending on the direction of business and other features. The components of corporate social responsibility are considered on the example of the Kharkov machine-building plant «FED». A characteristic of the types of corporate social responsibility depending on the type of activity of the company is presented. The individual components of the social responsibility of the Kharkov machine-building plant «FED» are described in detail. The levels of corporate social responsibility have been formed on the example of an industrial enterprise. These levels are the basis of the route map. Based on the results of the survey, the causes of crisis situations at the enterprise are established. It is noted that in order to overcome the crisis, it is important how historically progressive the organization was in its participation in corporate social responsibility. The conceptual bases for anti-crisis management of the company's activities on the basis of social responsibility have been developed. The role and importance of management reporting for conveying information to stakeholders about the main aspects and results of the enterprise's activities related to the concept of socially responsible business has been proven. The main functions of management reporting in the process of forming corporate social responsibility are defined.