bluuebunny/crossref_metadata_2025 huggingface dataset:
TECHNOLOGICAL EQUIPMENT FOR PERFORMING SELECTIVE CAPITAL REPAIR OF PIPELINES
Authors:   National Transport University, Biliakovych Mykola , Varfolomeev Yurii ,   National Transport University, Vysokovych Yevhen ,   National Transport University, Koval Andrii ,   National Transport University, Musiiko Volodymyr ,   National Transport University
Published: December 2023

The article provides an analysis of the technical condition of main pipelines and technologies for performing selective overhaul of their linear part. Known technological schemes for performing selective repair of pipelines do not provide for effective soil compaction after its completion due to the lack of technical means for effective and uniform soil compaction. The lack of compaction of the soil under the repaired pipeline leads to its uncontrolled subsidence relative to the line of original laying, which can cause an emergency situation. In order to ensure high-quality, fast and safe execution of the entire complex of earthworks during the selective overhaul of main pipelines with one excavator, a research and industrial universal set of interchangeable work equipment for a single-bucket crawler excavator weighing 20 tons has been designed, manufactured and tested. The set of replacement equipment consists of digging equipment, compaction equipment, a bucket for performing earthworks during the opening of the pipeline and filling the soil in the trench, a universal grip for attaching the replacement equipment to the handle of a single-bucket excavator, a system for positioning and monitoring the position of the replacement equipment relative to the pipe. Technology for implementation of earth-moving works at capital repair of linear portion of main pipelines and complex of technological equipment for its realization are patented in Ukraine. The productivity of digging equipment is 35...55 m3/h, the productivity of compacting equipment is 35...45 m/h. The use of a set of equipment allows one excavator to perform the entire complex of earthworks during the selective capital repair of main gas pipelines with a diameter of 530...1420 mm.
USE OF TEST CYCLES FOR STUDYING THE OPERATIONAL PROPERTIES OF TRANSPORT CONSTRUCTION MACHINERY
Authors:   National Transport University, Kovbasenko Serhii , Gontar Yurii ,   National Transport University, Bilyakovych Mykola ,   National Transport University, Simonenko Vitaly ,   National Transport University
Published: December 2023

The article discusses the main test cycles that can be used to evaluate the operational properties of transport construction machines. In particular, with their help, it is possible to study the environmental safety and fuel efficiency of machines of various purposes, which are used in transport construction. The work presents the methods and procedures by which the operational properties of such machines are investigated. The considered test cycles of engines of agricultural machinery, road construction machines, excavators, ship, industrial and locomotive engines, provided by the international standard ISO 8178. This standard consists of 11 chapters, which describe in detail the test procedure and methods of measuring the content of harmful substances in exhaust gases of various types engines, fuel type requirements and analysis of the obtained results. ISO 8178 contains a series of engine bench test cycles designed for different classes of engines and equipment, each of which is a sequence of steady-state or transient modes with different load factors. In the event that conducting tests on a motor stand is difficult, this standard provides for measurement under operating conditions. In this case, the standard test cycles do not apply and the tests are carried out while the vehicle is operating in its normal operating mode. Emissions are measured using the Portable emissions measurement system (PEMS). Test cycles are one of the effective tools for evaluating the fuel economy and environmental performance of transport construction machines. They allow you to get a lot of useful information about various aspects of the machines, such as fuel consumption, emissions of harmful substances, noise level, engine efficiency, etc. One of the disadvantages of using test cycles is their limited versatility. Different types of machines have their own unique features, so in order to achieve the maximum efficiency of research, it is necessary to develop test cycles that correspond to the specifics of different types of machines.
DEVELOPMENT AND IMPLEMENTATION OF A STRATEGY FOR UKRAINIAN ENTERPRISES TO ENTER INTERNATIONAL MARKETS
Authors:   National Transport University, Levchuk Natalia , Havrylenko Nikita ,   National Transport University
Published: December 2023

The article examines the aspects of development and application of international strategies by companies, including Ukrainian ones, for promoting their products on foreign markets. The advantages and disadvantages of Ukrainian companies in entering international markets are determined. The process of developing an organizational behavior strategy on the foreign market and its levels are highlighted. The tasks of strategic planning and its organization are considered: creating a management structure, developing rules for its functioning, and selecting and motivating personnel. Two types of strategies of Ukrainian companies on foreign markets are analyzed: "initial capital accumulation" and "long-term stay". The main reasons that hinder companies from implementing their chosen strategy are studied. The development and implementation of the strategy of Ukrainian companies entering foreign markets contribute to increasing their competitiveness and strengthening their position in the international market.
THE INFLUENCE OF THE SERVICE SECTOR ON THE STRENGTHENING OF THE COMPETITIVENESS OF THE UKRAINIAN ECONOMY IN THE CONTEXT OF GLOBALIZATION PROCESSES
Authors:   National Transport University, Fedoruk Olesia
Published: December 2023

The article examines the impact of the service sector on the competitiveness of the Ukrainian economy. It was found that the influence of the service sector has a direct and indirect nature. It was determined that the direct impact is manifested through the development of international trade in services and the formation of the country’s place in the division of labor. The study of Ukraine’s foreign trade showed much smaller volumes of export of services compared to export of goods. At the same time, it was found that the share of Ukraine in the world markets of services and goods is approximately the same, which made it possible to conclude that the development of international trade in services is promising for strengthening Ukraine’s position on the world stage. Taking into account the trends in the development of world trade in services determined by the WTO, the following vectors for the development of foreign trade in services are proposed: the development of IT services, the growth of tourist services, support for the export of transport services. It was established that the indirect influence is due to the use of services by other sectors of the economy and population. A set of measures to improve the functioning of the service sector is proposed. According to the results of the analysis of Ukraine’s foreign trade and taking into account the data of the World Trade Organization, it can be concluded that the development of international trade in services is a promising direction for strengthening Ukraine’s competitiveness. Despite a significant advantage in the volume of trade in goods over trade in services, Ukraine occupies approximately equal shares in the world markets of goods and services. This testifies to the fierce competition in the product markets, which significantly reduces Ukraine’s ability to effectively compete in them in the near future without technical improvement of the production industries. At the same time, the obtained data allow us to conclude about a much lower level of competition in the service markets. Therefore, the development of the service sector is seen as a way to strengthen Ukraine’s place in the global division of labor. In addition to the direct impact on the competitiveness of the national economy due to the increase in GDP and exports, the creation of new jobs, the service sector has an indirect impact due to the active use of services in the production process. Liberalization of trade in services causes an increase in the competitiveness of other industries in which they are used as input factors of production. In this regard, the development of the service sector as a whole will also have a positive effect and will contribute to increasing the competitiveness of both individual industries and the economy of Ukraine as a whole.
FORMATION OF PORTFOLIOS OF SOCIAL PROJECTS IN ORGANIZATION
Authors:   National Transport University, Vorkut Tetyana , Bilonoh Oksana ,   National Transport University, Dehtyarova Olha ,   National Transport University, Dmytrychenko Andij ,   National Transport University, Ovchar Denys ,   National Transport University, Sribna Nataliia ,   National Transport University
Published: December 2023

The topicality of the topic is determined by the need for improvement and further development of scientific and methodological support for the management of social programs in the organization, carried out with the direct participation of its employees, under the conditions of the introduction of portfolio-oriented management in this field. The purpose of the study is to improve and further develop the scientific and methodological support for the management of social programs of the organization based on the interpretation of the measures of these programs as projects that make up the relevant portfolios (sub-portfolios). Research tasks: 1) analyze approaches to the formation and classification of social programs in the organization; 2) to adapt the concept of forming portfolios of public participation projects to the conditions of forming portfolios of projects of social programs of internal direction of the organization, which provide for the direct participation of the organization's employees in the specified formation. Research methodology. The method of scientific identification was used when forming the conceptual basis of the study; when analyzing approaches to the formation and classification of social programs in the organization - the method of comparative analysis; to adapt the concept of forming portfolios of public participation projects to the conditions of forming portfolios of projects of social programs of the organization's internal direction, which involve the participation of the organization's employees - the method of analogies.
CONCEPTION OF STRATEGIC PLANNING OF TRAVELLING ECONOMY
Authors:   National Transport University, Lykhostup Mykola
Published: December 2023

The article contains a system for solving problems that are relevant in the process of drawing up and operational management of the processes of implementation of operational plans for construction production. As a leading criterion, it is recommended to use indicators of maximum employment in the production of labor and technical resources. In principle, the emphasis of the article is on the formation and solution of two problems. The first task is to create documents that regulate the preparation of operational plans. At the same time, special attention is paid to the development of cyclograms, which determine the time freedom for the implementation of operational plans. In turn, the creation of cyclograms is based on the principles of network modeling, the construction of network models involves the use of the principles of technological routing of labor and technical resources within the framework of individual projects, and the best version of the network model is determined by the indicator of maximum use by time of their normative labor intensity. The second task is to implement a system of operational regulation of the processes of actual performance of the tasks of production units in changing conditions of production. For this purpose, previously created models of operational regulation of production were used, the formation of which is based on simple initial information. For the practical use of information and documents regulating the implementation of operational plans, the ideas of expert assessment of current data on the complex production situation and possible options for moving resources within the framework of known reserves have been developed.
RESEARCH OF ASPECTS OF REDUCING ROAD TRAFFIC INJURIES BASED ON ABROAD EXPERIENCE
Authors:   National Transport University, Bondarenko Liudmyla , Kushnirova Oksana ,   National Transport University
Published: December 2023

The paper examines the main indicators of road safety measurement based on the European experience and countries of the world. It was determined that there are three main indicators that allow for a qualitative assessment of safety indicators, they are indicative in the case of the most reliable data on the number of the population, functioning vehicles and accounting for the length of the roads traveled by these vehicles. An assessment of statistical data on deaths due to road accidents was made based on the 2022 report of the V International Transport Forum. The data of these countries on the number of deaths per 100,000 thousand population was studied and a trend towards a decrease in the negative consequences of road accidents was noted. The study of foreign experience makes it possible to determine the main directions by which the safety indicators on the roads of Ukraine can be evaluated, as well as to understand the effectiveness of the programs implemented in our country. According to the main financial assessment of the consequences of the road accident, in relation to the GDP of the state, a value assessment of the socio-economic losses of Ukraine from the above-mentioned events is given. Huge financial costs of the state and, of course, physical losses of the population were noted. The program of actions of Ukraine in terms of road safety has been studied and the main directions of action of the countries of the world in order to achieve zero mortality due to road accidents have been determined.
CONCEPTION OF STRATEGIC PLANNING OF TRAVELLING ECONOMY
Authors:   National Transport University, Lykhostup Mykola , Varfolomeev Yuriy ,   National Transport University
Published: December 2023

In the article, we look at the direct consumption in resources for the repair of automobile roads with an emphasis on filling the consumption in technical resources. When the basic element in the system is the designation of consumption in resources, it is possible to make planned commitments for repair work for various workers. So for other enterprises, external information can serve as an obligation to complete all types of repair work, which can be canceled as a result of competitive bidding. And in the capacity of the model for the allocation of resources, a system of sussing out the possible strain of undertaking has been adopted. Designated consumption in resources for carrying out repairs of motor roads within the framework of four regions (oblasts) is recommended on the basis of an integrated system for managing the roofing mill (SUSP) and a system for designing the cost of life. І, at the end, the assignment of the necessary resources for the repair of automobile roads on the borders of the entire country is based on the selection of expert-analytical approaches to the accomplishment of such tasks. In the process of identifying consumption in technical resources, it is recommended to implement expert-analytical procedures for the establishment of technological deposits of these resources and other resources, as well as labor and material ones.
THE METHOD OF EXPERIMENTAL STUDY OF THE DISTRIBUTION OF TRAFFIC INTERVALS IN THE TRANSPORT FLOW
Authors:   National Transport University, Neizvestnyi Sergey , Palchyk Anatoly ,   National Transport University
Published: December 2023

The method of experimental determination of the distribution of traffic intervals between cars in the traffic flow on the sections of races between simple interchanges on the same level with a traffic intensity of 300 to 600 vehicles per hour per lane is described, as well as the influence of interchanges on the same level on the time interval is established and on the change in traffic intensity to determine the dependence of the availability and number of free traffic intervals in the traffic flow. For this purpose, the following tasks were solved: a method of experimental research on changing traffic intervals in the traffic flow was developed; the necessary amount of data is established to ensure the necessary reliability of the results; the experimental part was carried out (collection of statistical data on traffic intensities and intervals and other characteristics on different categories of highways); processing of experimental data using methods of mathematical statistics; specified time interval distribution function; analyzed the nature of the change in time intervals between vehicles in a "package" and between "packages" when moving through intersections at the same level; the dependence of the number of vehicles of a given traffic interval on the time interval between vehicles is established.
JUSTIFICATION FOR THE BUILDING MATERIALS REQUIREMENTS IN THE ASPHALT PAVEMENT REPAIR BY THE CEMENT CONCRETE LAYERS
Authors:   National Transport University, Savenko Vyacheslav , Bykovets Mykola ,   National Transport University
Published: December 2023

This scientific text examines the main requirements for the composition of cement-concrete mixtures for pavement layers. In particular, it is noted that to obtain high-strength cement concrete, type I and II Portland cement should be used with the content of tricalcium aluminate (C3A) in an amount of no more than 8% by weight. To increase the strength of concrete, it is recommended to add steel or polypropylene fiber. Coarse aggregate of high-strength modified cement concrete can be crushed stone from dense rocks. To obtain high-strength cement concrete, it is also necessary to take into account the requirements for sand, and entraining additives and calculate the composition of concrete in accordance with the methodology for road cement concrete. Ensuring the necessary frost resistance is achieved by selecting the optimal composition of the concrete mixture and using highly active cement. In addition, the text specifies the requirements for the transportation of the concrete mixture, the slump of the cone, the volume of entrained air, and the preservation of concrete properties. The final technological properties of the concrete mixture are evaluated at the design stage.
STUDY OF THE PROPERTIES OF ASH-REMOVAL OF DIFFERENT ORIGIN TO COMPLY WITH NATIONAL REQUIREMENTS
Authors:   National Transport University, Sokolov Oleksiy
Published: December 2023

Introduction. In Ukraine, about 30% of all electricity is produced by burning solid fuels - coal, shale, and peat. In our country, there are about 15 operating thermal power plants, which generate about 5-6 million tons of ash and slag waste as a secondary product per year. Thus, the waste of the fuel and energy complex, which is formed in the furnaces of thermal power plants, is a huge accumulation of ash in the form of dust-like residues and lumpy sludge, as well as various ash-slag mixtures. These products of high-temperature processing (1200-1700 ºС) of the mineral part of the fuel are widely used in many countries of the world, and taking into account the global trend of increasing the share of the secondary market for the use of waste, it is necessary to predict an increase in the rate of their processing in Ukraine as well. Problems. In Ukraine, as a filler, the material obtained by crushing carbonate rocks is used as a filler, which is established in DSTU B B.2.7-121. At the same time, as a result of burning coal, millions of tons of dust-like waste - fly ash - are generated at power-generating enterprises of Ukraine. The grain composition of this material approaches the filler requirements according to DSTU B V.2.7-121 and can be used for the production of asphalt concrete mixtures. The purpose of the work is to establish the possibility of using fly ash of various origins for the production of asphalt concrete mixtures. Materials and methods. Fly ash of various origins was used during the research. The results. It has been established that these materials meet the requirements of DSTU B B.2.7-121 according to all the specified indicators in accordance with the non-activated mineral powder of the I brand. Conclusions. Conducted studies on determination of grain composition, porosity, swelling and structuring ability showed that the studied fly ash meets the requirements of table 5 of DSTU B B.2.7-121, and the indicators are close to limestone mineral powder.
USING NEURAL NETWORKS TO EVALUATE THE COMPLEXITY OF A JSON-FORMATTED QUERY
Authors:   National Transport University, Sisoev Illya , Gavrilenko Valeriy ,   National Transport University, Kovalchuk Oksana ,   National Transport University
Published: December 2023

In the previous articles [1, 2, 3, 4], a description of a multilevel load balancing system was presented, where one of the levels proposes the use of machine learning technologies for analyzing input queries and predicting their resource requirements. This article focuses on the use of neural networks for assessing the complexity of JSON-formatted queries from both theoretical and practical perspectives. The theoretical description of neural networks, their components, and peculiarities is provided, and the issue of query complexity in JSON format is explored. Additionally, a systematic approach is proposed for evaluating and comparing the computational complexity of neural network levels in the test processing of JSON signals. The connection between software and hardware complexity indicators is established by defining them as hyperparameters of the neural network layers. The paper explains how to compute metrics for the forward and recurrent levels and determines the specific metrics to be used based on whether the focus is on software or hardware-oriented modules. This work can be valuable for obtaining different levels (goals) of complexity assessment related to the application of neural networks in real-time signal processing and for standardizing the evaluation of computational complexity. Overall, this research provides insights into the utilization of neural networks for assessing query complexity in the JSON format, offering a systematic approach to evaluating computational complexity in the context of neural network levels.
FORMATION OF THE LOAD FROM THE VEHICLE ON THE ROAD SURFACE AT DIFFERENT SPEED OF OVERCOMING THE ROUGHNESS
Authors:   National Transport University, Poliakov Victor , Biliakovych Mykola ,   National Transport University, Razboinikov Oleksandr ,   National Transport University, Ivanushko Oleksandr ,   National Transport University, Misko Yevgen ,   Odesa State Academy of Civil Engineering and Architecture
Published: December 2023

To reduce the negative impact of the vehicle on the road surface, its maximum axle load is limited to the legal level. At the same time, when the car is moving on an uneven road, its dynamic load on the road surface can both exceed the static load by several times and decrease to zero (the separation of the wheel from the supporting surface). At the same time, the elastic tire is deformed in different directions, which is accompanied by forces and moments that are transmitted to the car's steering system and its suspension through the rim, disc and hub. This can lead not only to fluctuations in the sprung and unsprung mass of the car (affecting the smoothness of the ride, fuel economy, etc.) and changing its direction of movement (loss of stability and controllability) [1], but also to further destruction of the road surface. It is worth noting that the deviation of the values of the dynamic load of car wheels on the road surface from the static one largely depends on the speed of overcoming road irregularities. The article presents the results of theoretical studies of the motion of an average passenger car that overcomes road irregularities with its left-hand wheels. Different speeds for overcoming road irregularities were studied, starting with 30 km/h and ending with a speed of 120 km/h. The dependence of the change in the normal reactions of the support surface on the wheels of the car from the traveled distance was determined. In order to understand the formation of the load from the car on the road surface, an analysis of graphical dependencies describing the working processes of the suspensions of its wheels, which overcome road unevenness, was carried out. The obtained data allow us to analyze and evaluate the influence of the working processes of the suspension of the wheels of the car and the speed of overcoming road irregularities on the formation of the load acting on the road surface.
FEATURES OF THE FORMATION OF THE BUDGET UNDER THE CONDITIONS OF MARITAL STATE
Authors:   National Transport University, Babich Lyudmila , Grechan Alla ,   National Transport University
Published: December 2023

The article is devoted to the substantiation of scientific approaches to the formation of the state budget in the modern conditions of Ukraine's martial law. The object of the study is regulatory and analytical support for the formation and implementation of the budget as an integral basis of macroeconomic forecasting. The purpose of the work is to study the key issues related to the formation of the budget and outline the main directions for increasing its role as a financial basis for ensuring the economic development of the country with an emphasis on the main priorities of budget expenditures in the conditions of martial law. The research method is a theoretical and analytical substantiation of the processes of formation and implementation of the country's budget in the conditions of martial law. In the period of long-term martial law in Ukraine, when processes of reducing revenues and expenditures of various types of budgets are taking place at the same time, this indicates the extreme urgency of taking into account a number of features regarding the formation and implementation of the country's budget with justification of all real sources of resource provision. The scientific article summarizes the issues of the role and place of the budget in the system of macroeconomic forecasting, considers the actual aspects of the implementation of the budget according to its main components for a number of years and during the period of military operations on the territory of Ukraine, and proposes an algorithm in compliance with the principle of balance, which is decisive in the budget system. The authors proposed their own vision of the economic content of the budget as a category in the conditions of martial law, with further interpretation of this concept in the corresponding, soon-to-be-created regulatory framework for the regulation of budgetary relations and budgetary restrictions on the formation and use of budget resources in wartime conditions, as a separate of the section in the Budget Code of Ukraine.
METHODOLOGICAL ASPECTS OF THE FORMATION OF PUBLIC PARTICIPATION PROJECTS AS A PROJECT PORTFOLIO
Authors:   National Transport University, Vorkut Tetyana , Bozhok Julia ,   National Transport University, Kharuta Vitalii
Published: December 2023

The relevance of the research topic is due to the need to improve and further develop the methodological approach to determining the optimal composition of the portfolio of projects, in terms of developing a model for determining the optimal composition of the portfolio of public participation (PP) projects, which is based on the premises of an alternative formulation of the task of optimizing the portfolio (sub-portfolio) of PP projects - on based on individual ratings of PP projects or a portfolio of PP projects considered together. The purpose of the study: to increase the effectiveness of the management of PP projects on the basis of the development of scientific and methodological principles of management of the totality of PP projects as a portfolio of PP projects. The object of the study is project portfolio management processes and PP project management processes. Research methodology. The method of scientific identification was used when forming the conceptual basis of the study; in the analysis of scientific and methodical approaches to structuring, determination of criteria (evaluation, selection, prioritization) and optimization according to portfolios of PP projects - the method of comparative analysis; to test the hypothesis regarding the insignificance of differences in the aggregates of PP projects separated by thematic directions, the Kruskel–Wallis non-parametric criterion (test) of significance.
THE ROLE OF KNOWLEDGE CONTROL IN ENSURING THE QUALITY OF THE EDUCATIONAL PROCESS OF THE UNIVERSITY
Authors:   National Transport University, Dmytrychenko Nykolay , Tokin Oleksndr ,   National Transport University, Kharchenko Anna ,   National Transport University
Published: December 2023

The article is devoted to the consideration of an actual issue – determining the role of knowledge control in ensuring the quality of the educational process of the University. The main types and forms of knowledge control of students at the National Transport University were studied. The main functions of control measures as a whole, as well as each type of control separately, are defined. The principles and criteria of checking and evaluating students' knowledge at the university are considered. It was determined that the monitoring of control measures at the university allows for a comprehensive assessment of the level of quality assurance of educational activities. The influence of the systematic evaluation of the results of control measures on the activity of universities and its timely response was considered using the example of the National Transport University. According to the analysis of the role of knowledge control in ensuring the quality of the educational process of the university, the author's strategic planning algorithm was formed, which includes 4 stages of planning measures for the organization of the educational process. A list of measures for the development of the system for ensuring the quality of the educational process in the next academic year has been developed, which include, in particular, the continuation of the practice of considering issues of student success at meetings of academic councils of faculties and departments; organization of round tables to expand the competences of applicants on certain topics and problems with the involvement of specialists and scientists from various organizations; activation of teachers regarding the creation and implementation of distance courses in professional disciplines; measures to strengthen the control of the executive discipline of teachers during current and final control, making up for missed classes, accepting academic debts, measures to strengthen the level of organization and conducting consulting work with students, and others. It is proposed to use the author's algorithm for strategic planning of measures to improve the quality of educational activities of the university.
STRUCTURE OF THE COMPUTER COMPLEX FOR CALCULATING THE STRENGTH OF PRISMATIC BODIES BASED ON THE SEMI-ANALYTIC METHOD OF FINITE ELEMENTS
Authors:   National Transport University, Kuzminets Mykola , Maksymyuk Yuriy ,   Київський національний університет будівництва і архітектури, Martynyuk Ivan ,   Київський національний університет будівництва і архітектури, Stepanenko Tetyana ,   National Transport University
Published: December 2023

One of the main and responsible stages of creating an apparatus for numerical analysis of structures using the finite element method is its implementation in the form of a set of programs. The principles of complex construction should take into account modern requirements for strength calculation software in modern calculation complexes. Among them, first of all, automation of the main stages of the computing process, rational use of the resources of the operating and external memory of storage devices, non-closedness in relation to the classes of problems to be solved, algorithms for the task of input data, the method of discretization and solution of systems of equations and etc. In addition, the structure of the programs should take into account the specifics of the semi-analytical method of finite elements, for which such a large experience of creating developed systems of mathematical support for the search of spatial structures has not yet been accumulated, as when using the traditional version of FEM. Considerable experience in solving finite element mechanics problems, accumulated over the past decades, has been reflected in a number of industrial commercial software complexes of domestic (LIRA, SCAD) and foreign (ANSYS, Nastran, ABAQUS) production. The developed finite element base of these software complexes allows you to obtain solutions to a wide range of problems of the mechanics of a deformable rigid body for objects of different dimensions, including for massive spatial bodies, and convenient means of input-output of information and processing of the obtained results make them very accessible to a wide circles of users and allow to display the obtained results with the maximum degree of visibility. There are also object-oriented complexes created at manufacturing enterprises and research institutes, for example at the Institute of Strength Problems of the National Academy of Sciences of Ukraine, at the Dnipropetrovsk National University. The conducted research will determine the most optimal ways of solving the listed problems from the point of view of computing costs and complexity of implementation, as well as outline the circle of unsolved issues.
Introduction and Testing about Development the Technology-Based EIGEC Models to Enhance Student Learning Outcomes
Authors:   Department of Education Technology, State University of Malang, Indonesia, Fayanto Suritno , Kuswandi Dedi ,   Department of Education Technology, State University of Malang, Indonesia, Precharattana Monamorn ,   Department of Science and Technology Education, Institute of Innovative Learning, Mahidol University, Thailand, La Thang  ,   Department of Physics Education, Halu Oleo University, Indonesia, Erniwati  ,   Department of Physics Education, Halu Oleo University, Indonesia, Ali Hunaidah Made ,   Department of Physics Education, Halu Oleo University, Indonesia
Published: December 2023

The purpose of this study was to introduce technology-based EIGEC models and implement these models into the learning process in the classroom. This research was quasi-experimental, using a pre-test-post-test control group design. The research sample consisted of two classes with different treatments. Each course was selected randomly, with the number of students who were the object of the trial being as many as 36 in each class. The data collection technique used an instrument test and was analyzed descriptively and inferentially. The T-test was used in inferential analysis to determine how the model’s implementation and impact on learning outcomes were affected. Theanalysis found that the technology-based EIGEC model contributed 0.59 to improving learning outcomes compared to conventional models(0.39), based on the results of the N-gain value. The five stages of the technology-based EIGEC were (1) engagement, (2) introduction,(3)guidance, (4) execution, and (5) conclusion. From the analysis results, the technology-based EIGEC model can be an example of amodel used to support learning in the classroom.
Reconciling Teachers’ Views and Practices with Early Graders’ Ability to Engage in Scientific Inquiry
Authors:   Department of Educational Psychology and Curriculum Studies, Faculty of Education, Dar es Salaam University College of Education, University of Dar es Salaam, Tanzania, Kinyota Mjege
Published: December 2023

This study used a three-phase design to explore how teachers’ views and practices of scientific inquiry can be reconciled with early graders’ ability to engage in scientific inquiry. First, 19 early years teachers were interviewed to explore their views and practices of scientific inquiry. Second, six standard two students were exposed to a problem-solving situation so that their ability to engage in scientific inquiry could be assessed. Finally, six standard two teachers who involved in designing the problem and who also observed students solving the problem were interviewed to explore any changes in their views. The six teachers also participated during the first phase. The findings indicated that teachers had distrust in early graders’ ability to engage in scientific inquiry, which corresponded to their rare practice of it. They also perceived large class sizes and unsupportive curriculum as barriers to engaging children in scientific inquiry. Further, the findings indicated that, under specific conditions, early graders are able to engage in some inquiry activities such as framing questions, designing and conducting investigations. Furthermore, changes in teachers’ beliefs and understanding of scientific inquiry were noted. Creating supportive curriculum and classroom environments for nurturing children’s inquiry are highly recommended.
Students’ Performance, Satisfaction, and Experiences in Graphic Organizer Integrated Online Instruction of Astronomy
Authors:   Bachelor of Secondary Science Education Department, College of Teacher Education, Cebu Normal University, Philippines, Endiape Jennifer A. , Lopez Jamaica Fayette V. ,   Bachelor of Secondary Science Education Department, College of Teacher Education, Cebu Normal University, Philippines, Lastimosa Zenerica T. ,   Bachelor of Secondary Science Education Department, College of Teacher Education, Cebu Normal University, Philippines, Gecain Charie Ann V. ,   Bachelor of Secondary Science Education Department, College of Teacher Education, Cebu Normal University, Philippines, Herbieto Nheljay Mae C. ,   Bachelor of Secondary Science Education Department, College of Teacher Education, Cebu Normal University, Philippines, Sanchez Joje Mar Perino ,   Science Education Department, College of Teacher Education, Cebu Normal University, Philippines, and Translational Research Division, Institute for Research in Innovative Instructional Delivery, Cebu Normal University, Philippines, Picardal Marchee T. ,   Science Education Department, College of Teacher Education, Cebu Normal University, Philippines
Published: December 2023

This quasi-experimental study determined Graphic Organizer Integrated Online Instruction’s effectiveness in understanding astronomy concepts. Three groups of Secondary Science Education students from a state university in Central Visayas, Philippines, were exposed to text, both text and graphic organizers, and the latter only. Study findings revealed that students across the three groups obtained above-average performances and improved performance; these groups also showed no significant difference in the improved performance. Using graphic organizers yielded high retention and satisfaction among the students, as they were immersed in visual-verbal instruction, a valuable learning scaffold, and a fun experience. In conclusion, the use of Graphic Organizer Integrated Online Instruction was effective in improving student performance, retention, and learning experiences. Integrating these visual tools in online instruction is highly recommended for use at the undergraduate level in the new normal.
From Professional Knowledge to Practice: The Effect of Academic Counseling Model Based on Academic-Teacher Collaboration on Pedagogical Content Knowledge
Authors:   Department of Mathematics and Science Education, Kafkas University, Dede Korkut Education Faculty, Kars, Turkey, Kala Nesli , Sungur-Alhan Selcan ,   Department of Mathematics and Science Education, Kafkas University, Dede Korkut Education Faculty, Kars, Turkey
Published: December 2023

Collaboration between teachers and academics can have a sustainable impact on teachers’ professional development. Accordingly, the aim of the study was to investigate the effect of the academic counseling model (ACM) based on academic-teacher collaboration on the pedagogical content knowledge (PCK) of in-service teachers. The ACM consists of five steps: diagnosis, training, action, gradually decreasing, and evaluation. The seven volunteer science teachers in different seniority levels participated in the research from three secondary schools (urban, suburban, and private schools). A total of six academics, four of whom were in the counseling team and two in the support team, took part as the academic team. We collected the data with an observation form developed according to the three components of PCK. The application period was about 23 weeks. We found statistical differences in all stages of ACM, except for gradually decreasing and evaluation, according to the classroom practices of the participant teachers. Consequently, we determined that ACM significantly improved science teachers’ professional skills on PCK. In this study, we focused on teachers’ professional development, which is a sub-variable of the school variable of ACM. In future research, more comprehensive studies focusing on other sub-components will be useful to reveal the impact of the model.
Learning Progression of Students’ Reasoning about Life Cycles
Authors:   Department of Teaching and Learning Sciences, Andrews Institute for Research in Mathematics and Science Education, Texas Christian University, College of Education, Fort Worth, Texas, United States of America, Hokayem Hayat , Ghazal Ihsan ,   Department of Teaching and Learning Sciences, Andrews Institute for Research in Mathematics and Science Education, Texas Christian University, College of Education, Fort Worth, Texas, United States of America, Graham Savannah R. ,   Department of Teaching and Learning Sciences, Cullen College of Engineering, University of Houston, Houston, Texas, United States of America
Published: December 2023

This study explored elementary students’ reasoning about the life cycles of various organisms, including insects and amphibians. The study took place in a private school in Lebanon with 24 fifth-grade students. Students participated in a life cycle unit with pre and post-written assessments about what they learned and interviews to help determine their reasoning about life cycles. Using our findings, we suggest a learning progression (LP) approach to guide students over time in their learning about life cycles and their importance for species persistence within an ecosystem. Two LPs were developed from this study: Reasoning about the cyclic nature of life and comparison of life cycle stages. Overall, students improved their understanding of the cyclical nature of life, but comparing organisms’ structures, stages, and life cycles proved to be more challenging. These LPs have direct implications for elementary instruction about life cycles, organisms, and species.
O exercicio físico como forma de prevenção e controle da obesidade infantil
Authors: Ferreira Felipe Mateus Gonçalves
Published: December 2023

Com o intuito de analisar quais os benefícios de exercícios físico para prevenção e controle da obesidade infantil escolar. Com passar dos tempos o excesso de peso aumentou em função de mudanças de hábitos de vida da população. O sobrepeso e a obesidade é uma grande realidade presente na vida das crianças e jovens, talvez em consequência de uma alimentação hipercalórica, horas em frente à televisão, computadores, celulares, redução de momentos de lazer, entre outros motivos internos e externos. E como consequência desse fator cresce índices de crianças e jovens com problemas de saúde, sociais e psicológicos sofridos no âmbito escolar. Deste modo, o trabalho se torna relevante pois pretende realizar uma revisão sobre aquilo que já existe de quanto é importante a realização de exercícios físicos para a prevenção e controle da obesidade infantil escolar. Trazendo assim uma visão quanto torna-se importante o papel que o exercício físico tem no tratamento e controle destes problemas e quais as formas de intervenção do professor de educação física neste processo. Com intuito de alcançar os objetivos propostos no estudo, irei fundamenta-la em pressupostos científicos. Pressupostos estes que nos permitem a construção de conceitos e definições a serem estudados a seguir, para isto contarei com uma pesquisa descritiva/ exploratória, em formato de revisão bibliográfica.
A arte de brincar
Authors: Tenedini Juliana Cardoso Sari
Published: December 2023

Acredita-se, que a arte de brincar e brincadeiras na infância, possibilitam na vida da criança, não só o lúdico, como também a interação e integração no que diz respeito a escola como aprendizagem. Esse artigo, teve como por objetivo refletir sobre o potencial educativo no contexto da arte de brincar e brincadeiras. O brincar está associado a arte, eles por si, possibilitam a aprendizagem da criança, facilitando a construção da reflexão, da autonomia e da criatividade. Como metodologia as brincadeiras, artes e jogos, enfim o lúdico, assim teremos crianças mais felizes, aprendendo com mais facilidade e prazer.
A inclusão de alunos com necessidades especiais no ensino regular: discurso ou realidade
Authors: Rodrigues Adriana Aparecida
Published: December 2023

O presente estudo possui como temática a inclusão escolar, que por sua vez tem sido amplamente divulgada no panorama educacional. Nesse cenário, a pesquisa tem como problemática: Será que inclusão de alunos com necessidades especiais no ensino regular ocorre em conformidade ao apresentado nos documentos legais? Almejando responder essa indagação, o desenvolvimento da pesquisa ocorreu por meio de um estudo bibliográfico, de caráter qualitativo, pautados em uma perspectiva crítica e reflexiva, cujo objetivo é analisar os discursos legais referente à inclusão de alunos com necessidades especiais no ensino regular. Para tanto, abordamos inicialmente a inclusão escolar por um viés histórico e consequentemente, identificamos os discursos para efetivação da inclusão escolar. O estudo mostrou que a inclusão escolar é marcada por uma historicidade, que se propaga em discursos legais e nos diversos contextos escolares. Assim, concluímos que a inclusão escolar é descrita nos documentos legais em discursos imbricados de intencionalidades, sendo que sua efetivação no cotidiano escolar ainda é marcada por desafios e não decorre de forma homogênea.
A importância do desenvolvimento de atividades de estímulo cognitivo e motor no campo psicopedagógico
Authors: Souza Luana Magalhães Soares de
Published: December 2023

Este trabalho tem como objetivo destacar a importância das atividades de estímulo cognitivo e motor para indivíduos de todas as idades, desde crianças até idosos. Também enfatiza os benefícios dessas atividades para o desenvolvimento e manutenção das habilidades cognitivas em cada faixa etária. Além disso, destaca a importância do papel do psicopedagogo na realização de atividades cognitivas e motoras, visando estimular o desenvolvimento cognitivo e motor. As atividades de estímulo cognitivo e motor incluem exercícios que trabalham a memória, atenção, linguagem, funções executivas e outras habilidades cognitivas. Essas atividades têm um impacto positivo no funcionamento cognitivo de crianças, adolescentes, adultos e idosos, auxiliando no tratamento de transtornos do desenvolvimento, lesões cerebrais, deficiências físicas ou mentais. Os resultados mostram que as atividades de estímulo cognitivo e motor contribuem para o aprimoramento de habilidades como atenção, memória, concentração, criatividade, orientação e cálculo, entre outras. Além disso, essas atividades também promovem a saúde física e mental, prevenindo o declínio funcional e cognitivo, melhorando a autoestima e a qualidade de vida, reduzindo o estresse e a ansiedade e fortalecendo os vínculos sociais. Portanto, a estimulação cognitiva é uma estratégia fundamental para o desenvolvimento integral das pessoas em todas as fases da vida, proporcionando benefícios cognitivos, físicos e emocionais significativos.