bluuebunny/crossref_metadata_2025 huggingface dataset:
Photon and Neutron Characterization of Titanium Neodymium Tellurite Glass Doped WO3
Authors: Iliyasu Usman , Shehu Anas
Published: October 2024

This study investigates the photon and neutron attenuation properties of a glass system comprising [(89- x)O2+10TiO2+1Nd2O3+xWO3], where x=0, 10, and 20 mol%. Utilizing Phy-X and XCOM programs, the mass attenuation coefficient was  determined in the energy range 0.015 to 15 MeV. The results show that the mass attenuation coefficient at 0.015 MeV increased by 6.66%  and 12.74% with the addition of 10 mol% and 20 mol% WO3, respectively. Similarly, The HVL of the glass samples decreased by 6% and  16% with the addition of 10 mol% and 20 mol% WO3, respectively. The exposure buildup factor and energy absorption buildup factor  decreased with increasing WO3 content and increased with penetration depth. Notably, the fast neutron removal cross-section of TW20  surpasses that of some standard shielding materials. These findings suggest that the TW20 glass sample, with highest WO3 content,  exhibits promising gamma and neutron shielding applications.
Corrosion Inhibition of Mild Steel using Bee Pollen as inhibitor in acidic medium
Authors: Garba Abdulrashid A. , Muhammad Sirajo , Ahmad Shamshudeen A.
Published: October 2024

The inhibitive action of bee pollen on corrosion of mild steel in two different acid media (HCl and H2SO4) was investigated using weight  loss gravimetric method. By obtaining the mild steel, which were cut and sized into 2-2 cm2 coupons, the coupons were grouped into  three groups A, B and C. The weight of the coupons was measured before and after immersion into acid solutions. Effect of inhibitor, time  and temperature on different acid concentration was also investigated. Scanning electron microscope (SEM) and Fourier-transform  infrared spectroscopy (FTIR) were employed to analyse the inhibition of bee pollen on mild steel. The study reveals that the percentage  inhibition efficiency (%IE) is enhanced with decreased in corrosion rate as well as increase in volume of bee pollen. High inhibition   efficiency of 90.9% was attained.
Federal fractals: review of Stephen Tierney, The Federal Contract
Authors: Aroney Nicholas
Published: October 2024

Stephen Tierney’s new book presents an exciting new theory of federal constitutionalism. His core argument is that each federal constitution is founded on a ‘federal contract’, which is an agreement among a plurality of territorial communities to form a federal political community while retaining their distinct constitutional identity as constituent states. This offers an alternative to the ‘social contact’ of liberal political theory in which the isolated individual is the sole basic unit of the constitutional order. The explanatory power of Tierney’s thesis is impressive. He shows how the idea of the federal contract can be manifested in many varied forms but in a manner that recognises the constitutional status and autonomy of the constituent states, formed into an association under which they agree to act cooperatively with each other and with the federation as a whole, under a mutual commitment of reciprocity that underwrites inter-governmental cooperation and solidarity, while also maintaining inter-governmental distinctiveness and autonomy. Under the auspices of this simple and elegant idea, Tierney offers an account of federal constitutionalism that resembles the fractal patterns of mathematical geometry insofar as each federal system reflects a particular federating logic that drives its initial creation and ongoing evolution. This opens up a promising area of further research involving an ever-closer examination of federal systems to see whether the fractal-like patterns he has identified continue to be apparent at progressively higher levels of resolution.
What counts as constitutionalism in the Global South? An anthropological perspective
Authors: Crouch Melissa
Published: October 2024

In this essay, I review the publication ‘Buddhism and Comparative Constitutional Law’ in light of the literature on constitutionalism in the Global South. Commending the innovative and important contributions of the book, I suggest that the chapters can be understood through one of three schemas or relationships between Buddhism and comparative constitutional law: Buddhism And …, Buddhism As … or Buddhism Against … Comparative Constitutional Law. I then reverse the analysis and offer an anthropological reflection on Comparative Constitutional Law as Buddhism, that is, to explore the ways in which the study and practice of comparative constitutional law exhibits features like a world religion or Buddhism. Finally, I turn to consider the sacred texts in comparative constitutional law, and whether sacred texts include edited books, such as the book under review. I argue that edited books play an important role in the field and that this edited book defines a field, much like a sacred text defines a religion.
Komisje Archeologiczne Śląskiego Instytutu Naukowego w Katowicach
Authors: Fic Maciej
Published: October 2024

This paper presents excerpts from the activities undertaken by archaeologists associated with Upper Silesia, carried out at the Silesian Scientific Institute in Katowice. This institution existed for 35 years (1957–1992), during which time two archaeological commissions operated within its structures. The first was active between 1957 and 1972, the other between 1984 and 1988. This text provides an overview of the conditions surrounding the creation of both bodies, primarily based on the surviving archival material from the Silesian Scientific Institute. It focuses on the scientific activities of researchers studying past cultures and civilizations conducted under the Institute’s auspices, as well as the unique aspects of archaeological research in the Polish People’s Republic.
The Silesian Impact of Hero’s Treatise. Salomon de Caus and the Wrocław Garden of Laurentius Scholz
Authors: Łuniewicz Zygmunt , Jagiełło Marzanna
Published: October 2024

In the existing literature, Salomon de Caus has been credited as the inventor of a device where water circulation was driven by pneumatic tanks equipped with lenses. The identification of such a device in the garden of Laurentius Scholz in Wrocław nearly two decades earlier prompted the necessity to verify this belief. The authors attempted to elucidate the functioning of the device based on available texts, analogies, and iconography. They also presented the contemporary technologies of water devices in gardens, including their sources, functions, and cultural significance. The methods of supplying water to gardens were analyzed, along with the likely connection between the garden and the water supply network in Wrocław. The discussion incorporated the perception of water, encompassing preferences and the assessment of water quality based on its origin (rainwater, well water, river water, lake water, etc.). The symbolism and intricate depiction of the manifestation of the water element in gardens were explained. Based on preserved treatises and accounts, the authors determined that individual elements of the device could be found in works dedicated to hydraulics, pneumatics, distillation, or medicine. They speculated that both Scholz and de Caus may have become acquainted with the solar pump in one of the gardens in Italy, such as Tivoli, or most likely in Pratolino, where numerous automata could be found, primarily inspired by the works of Heron of Alexandria.
Wcześniej niż Elżbieta Heweliusz: Maria Cunitia i astronomia obserwacyjna XVII stulecia
Authors: Włodarczyk Jarosław , Zbądzki Jakub
Published: October 2024

A Silesian astronomer, Maria Cunitia (1610?–1664) became known as the author of Urania propitia (1650), i.e. astronomical tables based on Johannes Kepler’s Rudolphine Tables (1627), which she adapted to facilitate their use. However, little has been said about Cunitia’s observations of the sky with the use of advanced astronomical instruments. In this paper, we intend to use all extant printed and manuscript sources to draw a picture of Cunitia as an active astronomer engaged in astronomical observations. Considering the fact that in the years 1648–1654 Cunitia and her husband, Elias von Löwen (Crätschmair, 1602?–1661), exchanged a number of letters with Johannes Hevelius (1611–1687), we will argue that Cunitia could have been an inspiration of sorts to Hevelius who sought the assistance of his second wife, Elizabeth (née Koopman, 1647–1693) married in 1663, in his own astronomical endeavours.
Study on sedimentation of tailings sludge from bauxite processing plant of TKV's Aluminum Companies by lamella thickener
Authors: Pham Luan Van , Le Ha Viet , Pham Hai Thanh , Nhu Dung Kim Thi , Nguyen Phong Ba , Nguyen Hoang Vu ,   Hanoi University of Mining and Geology, Hanoi, Vietnam
  Vinacomin-Dak Nong Aluminium Company (DNA), Dak Nong, Vietnam
Published: October 2024

Inclined parallel plates thickener (lamella sedimentation tank) is a new modern type of equipment for fine slurry deposition in the world. Actual use shows that the tank is very effective with fine and ultra-fine slurry. But up to now, lamella thickeners have hardly been used in the mineral processing industry in Vietnam. Currently, two bauxite ore washing factories (Dak Nong and Lam Dong Aluminum Company) are using 02 traditional thickeners with a total area of 4,400 m2 to sediment slurry with a volume flow of 4,000 m3/h. However, the sedimentation efficiency is low, and the overflow water quality and discharge product concentration have not reached the design criteria. The reason is that the slurry from the two companies' washing factories contains over 60% ultra-fine particles (-0.02 mm) and the ROM ore properties have changed further compared to the design. The report presents the sedimentation results of two slurry samples with particle sizes below 1 mm, which were collected from the bauxite ore washing factory of Dak Nong and Lam Dong Aluminum Company. Tests were conducted using a laboratory Lamella sedimentation tank with a settling surface area of 0.05 m2. The feed capacity to the thickener was 0.52÷0.63 m3/h (3 times higher than the theoretical calculated capacity). The 6% solid concentration of tailing slurry is separated into the overflow product (has a solid concentration in the range of 56.33÷80 mg/l) and the discharge product (with a solid concentration in the range of 35.44÷48.39%). The above preliminary results open the prospect of applying lamella sedimentation tanks to the actual slurry deposition of washing factories of Vinacomin's Aluminum Companies.
Evaluating the accuracy of pressure measurements on the surface of shock waves propagating in an underwater environment of experimental explosion
Authors: Tran Viet Duc , Dam Thang Trong ,   Weapons Institute, Hanoi, Vietnam
  Le Quy Don Technical University, Hanoi, Vietnam
Published: October 2024

Currently, the calculation of pressure on the surface of shock waves propagating in underwater environments is based on research findings inherited from Russia and the United States corresponding to standard conditions. To inherit and conduct experimental research on underwater explosions under different conditions in our context, it is necessary to study the selection and propose appropriate experimental model parameters, including the amount of explosive material, the depth of charge placement, and the water depth. Based on the analysis of theoretical explosive hydrodynamics in the water environment, this paper introduced the results of an experimental model, calculated and determined the boundary condition parameters of the experimental model, and conducted underwater explosion experiments. Using the explosion similarity method to represent relative pressure as a function of relative distance and the least squares method on Excel tool to establish experimental laws for the distribution of maximum pressure on the shock wave surface by distance. The obtained results reveal a decreasing law of maximum pressure on the shock wave surface with an exponent coefficient consistent with the research findings in Russia and the United States but with a deviation in amplitude oscillation matching of -7.6% and -5.9%. The research results confirm that the proposed experimental model can be applied to perform experimental research for different purposes while still ensuring the necessary accuracy.
Landfill site selection for municipal solid waste using the geospatial technique: a case study in Tuy Hoa city and surrounding areas
Authors: Nguyen My Diem Thi , Nguyen Tien Hanh Thi , Do Nhung Thi , Dang Phuong Lam Do , Pham Manh Van ,   VNU University of Science, Vietnam National University, Hanoi, Vietnam
  Phenikaa University, Hanoi, Vietnam
Published: October 2024

Solid waste is one of the environmental challenges of the world. Landfilling is a popular disposal method in developing countries due to its implementation method and reasonable construction costs. However, choosing a landfill for waste disposal is still a complex problem involving many factors and regulations. This study proposes a model for selecting solid waste landfill locations for Tuy Hoa City, Phu Yen province, based on geospatial data, GIS, and fuzzy multi-criteria decision-making method (Fuzzy-MCDM). Four groups of factors were selected, including economic group (EC), environmental group (EN), topographical group (TO), and social group (SO). Expert opinions and secondary documents are used to evaluate and select criteria within factor groups. All criteria of the factor groups are classified into five appropriate levels to build an appropriate zoning map of urban solid waste landfill locations. The results show that 19.8% of the total land area could be classified as very suitable and suitable for building landfills with spatial distribution in the northwest of Tuy Hoa City. The study also highlights the reconstruction of the current landfill, which causes a significant nuisance in terms of air, water, and soil pollution, seriously affecting the health of city residents and surrounding areas.
A batch experiment for determining retardation factors of Ni2+, Zn2+, Cd2+, and Pb2+ in unsaturated zone of unconsolidated formation in Man Xa and Chau Khe communes, Bac Ninh province
Authors: Dang Nhan Duc , Vu Hien Thi , Mai Kien Dinh , Nguyen Khanh Van , Nguyen Lam Van , Tran Long Vu , Duong Thuy Thanh Thi , Dao Bang Duc , Kieu Anh Van Thi ,   Vietnam Association of Hydrogeology, Hanoi, Vietnam
  Institute for Nuclear Science and Technology, Hanoi, Vietnam
  Hanoi University of Mining and Geology, Hanoi, Vietnam
Published: October 2024

This paper presents the results of a batch equilibrium adsorption experiment aimed at determining the retardation factors (R) of four heavy metal ions Ni2+, Zn2+, Cd2+, and Pb2+due to their adsorption on soil particles in an unsaturated zone. The experiments were carried out using clay-loam soil samples collected from Man Xa commune, Yen Phong district and Chau Khe commune, Tu Son city, Bac Ninh province, at two depths of 0÷15 cm and 15÷30 cm from the ground surface. The experimental adsorption procedure is followed by the equilibrium adsorption method. Results obtained showed that the adsorption of the 4 ions on soil particles in the two study areas is linear and followed the Freundlich model. This allows one to estimate the retardation factors of the 4 ions based on a model that includes the equilibrium adsorption coefficient (Kd), soil bulk density ((B) and soil porosity ((). The R values of the four ions in the soils of Man Xa and Chau Khe vary from 2.30÷16.27 depending on the nature of the adsorbate. Ion Pb2+ possesses the highest R value for Man Xa soil. The adsorption of Pb2+ is suggested to be followed by both physical and chemo-adsorption mechanisms, it participated in an ion-exchange process with protonium ion of goethite present in the soil, making the R value of the species to be different.
Research and application of the simple structural surface (SSS) method for designing the cone window of lamella settling tank
Authors: Nguyen Tan Dang , Pham Luan Van ,   Thuyloi University, Hanoi, Vietnam
  Hanoi University of Mining and Geology, Hanoi, Vietnam
Published: October 2024

Lamellar settling tanks are quite commonly used in wastewater treatment technology. They are used in water treatment facilities to remove most settleable solid particles by gravity settling. When repairing the sludge vane and cleaning the cone, removing the cone from the lamella settling tank is necessary. Because the sludge cone is installed at the bottom of the tank and has a large volume and size, a lot of time and effort is required to remove the sludge cone. Therefore, designing a cone window at the sludge cone will help workers clean the inside cone as well as quickly repair the mud wiper. When the sludge cone is a plate with a closed cone wall, the ability to bear the load of sludge on the cone wall is good. However, when opening the cone window, the pressure of the concentrated sludge can cause the cone window to crack, bulge outward and damage the sludge cone. To solve this problem, the Simple Structural Surface (SSS) method is researched and applied to the design of the lamella settling tank's cone window. SSS elements are welded onto the cone window to increase stiffness as well as reduce stress. The article analyzes the deformation and stress on the cone surface with different installation options for SSS elements by using CAE to evaluate, compare and select the most suitable stiffening option. The results of applying the SSS method show the effectiveness and influence of SSS elements in reducing stress and deformation of the cone window.
Algoritmos de agrupamento (clustering) utilizando scikit-learn em Python
Authors: Jurczyk Thomas
Published: October 2024

Este tutorial demonstra como aplicar algoritmos de agrupamento (clustering) utilizando Python a conjuntos de dados com duas aplicações práticas concretas. O primeiro exemplo utiliza os algoritmos de agrupamento para identificar grupos autoritários de autores Greco-romanos baseados nas suas publicações e respetiva receções. O segundo caso utiliza os mesmos algoritmos sobre dados textuais para descobrir grupos semânticos. Após terminar este tutorial conseguirá utilizar a biblioteca scikit-learn de Python em tarefas de agrupamento nos seus próprios conjuntos de dados, adicionando assim um método indispensável na sua caixa de ferramentas de análise exploratória de dados.
Masken des Staates: Deutsche Dramatik und europäische Diplomatie in der Frühen Neuzeit
Authors: Peck Clemens
Published: October 2024

»Masken des Staates« entfaltet Szenarien des wechselseitigen Zusammenspiels von Drama und Diplomatie und macht literarische Schlüsseltexte der Frühen Neuzeit neu lesbar. Repräsentation, Verhandlung, Spionage: Der Diplomat der Frühen Neuzeit erweist sich als zutiefst politische wie theatrale Figur, die – wie der antike Götterbote Merkur – ihre ethische Ambivalenz und komplexe Medialität nicht zu verbergen vermag. Mit dem und nach dem Dreißigjährigen Krieg wird das politisch und konfessionell zerklüftete Heilige Römische Reich Deutscher Nation zum Experimentierfeld der europäischen Diplomatie. Dieses Buch untersucht verschiedene Positionen der deutschen Dramatik in diesem Kontext. Literarische Texte von Martin Opitz über Sigmund v. Birken, Andreas Gryphius und Daniel Casper v. Lohenstein bis zu Christian Weise und Johann Elias Schlegel stehen so im Dialog mit dem Zeremonialwesen, den Friedenskongressen, der Gesandtentheorie und dem Völkerrecht. In einer Epoche, die zur Bekräftigung von Souveränität eine umfassende Theatralisierung politischer und höfischer Kultur vornimmt, werden Trauer- und Schäferspiel, Ordensdrama, Ballett und Oper als privilegierte Medien der Verhandlung sowie als Allegorien internationaler Beziehungen lesbar. Wo Repräsentation und Souveränität in Frage stehen, eröffnen diplomatische Figurationen im Drama die Reflexion theatraler und politischer Medialität.
Cultura y cambio desde la gestión interna de la organización
Authors: Barragán Ramírez Christian Andrés , Villena Aillon Jairo , Zurita-Altamirano Julio , Altamirano Zanipatin Sebastián
Published: October 2024

Este trabajo tiene como objetivo proporcionar un fundamento para la comprensión de la cultura y el cambio como elementos claves dentro de las organizaciones empresariales en siglo XXI. Con base en la investigación documental, esto es, en su análisis, interpretación y reflexiones derivadas de la revisión bibliográfica de comprobado valor científico, se aborda el tema de la cultura y cambio desde la gestión interna de la organización de interés para el ámbito gerencial. De manera que, se ofrece una visión alternativa sobre la dinámica organizacional que puede estimular el debate y también la crítica reflexiva, contribuyendo paralelamente con el incremento del conocimiento académico en el campo administrativo en general. Todo permite concluir que, el cambio es inherente al desarrollo de las organizaciones, modificando su cultura en mayor o menor medida, ya sea de forma positiva o negativa. Estas fluctuaciones impactan la orientación de la empresa, lo que exige ajustes en las estrategias de gestión.
Emprendimiento y desarrollo humano. Una perspectiva reflexiva desde la voluntad
Authors: Salazar Vázquez Flor Isabel , Avendaño Fajardo Hugo Jaime , Ortiz González Raúl Adrián , Pesantez Molina Wilson Geovanny
Published: October 2024

El objetivo del ensayo fue analizar, desde una perspectiva teórica, los fundamentos del emprendimiento y el desarrollo humano, a partir de la voluntad de cada individuo. El emprendimiento ha experimentado una evolución reciente en su enfoque, abordándose desde tres perspectivas: económica, psicológica e institucional. Sin embargo, este artículo señala una carencia en la investigación y literatura del emprendimiento, desde la óptica del desarrollo humano y social, respaldando esta afirmación con un análisis de la literatura existente, la cual, en su mayoría, carece de vigencia. Además, se ofrece evidencia sobre las posibilidades de estudio en este ámbito, estableciendo conexiones entre variables clave de cada concepto abordado. Los resultados sugieren que hay suficientes razones para postular una relación entre el emprendimiento y el desarrollo humano y la dimensión voluntad, destacando así un campo aún poco explorado que brinda oportunidades para investigar y profundizar. En conclusión, se logra conocer que el emprendimiento puede beneficiar al desarrollo humano de diversas maneras. Por un lado, puede generar empleo y aumentar los ingresos, también puede impulsar la innovación y el crecimiento económico. Por el otro, ayuda a las personas a desarrollar sus habilidades, todo a partir de la voluntad que acciona la actividad de emprender.
Barreras de comunicación percibidas por enfermeras y pacientes hospitalizados en un entorno clínico hospitalario
Authors: Mendoza Andrade Jorge Luis
Published: October 2024

Este artículo analiza las barreras de comunicación percibidas por enfermeras y pacientes hospitalizados en un entorno clínico. El estudio se llevó a cabo en un hospital de Especialidades de Portoviejo de la provincia de Manabí, Ecuador, donde se entrevistó a 21 enfermeras de turno y 21 pacientes hospitalizados. A través de un cuestionario, que contenía 13 ítems para las enfermeras y 9 ítems para los pacientes, se abordaron las dificultades en la comunicación y, se evaluó la capacitación del personal de enfermería. Los participantes calificaron la importancia de diversas barreras de comunicación, y los datos obtenidos fueron analizados utilizando el programa Excel. Los resultados de este análisis revelan las barreras que dificultan una comunicación efectiva entre el personal de salud y los pacientes, destacando la necesidad de fortalecer la formación en comunicación para mejorar la atención y satisfacción del paciente en el entorno hospitalario. Se concluye que, para optimizar la atención al paciente, es crucial que las instituciones de salud implementen programas de capacitación continua y enfoques prácticos para abordar las barreras identificadas. Futuros estudios deberían investigar más a fondo las barreras emocionales y culturales para desarrollar soluciones específicas que mejoren la comunicación y la calidad del cuidado médico hospitalario.
Deterioro cognitivo y ansiedad en adultos mayores: caracterizaciones en una población de latitudes altas del sur
Authors: Henríquez Jonathan , Henríquez Wolfrang , Méndez Muñoz Ruby , Ibinarriaga Thiare , Mabe-Castro Diego , Mabe-Castro Matías , Núñez-Espinosa Cristian
Published: October 2024

Objective. The study characterized the levels of anxiety and cognitive impairment of older people in the Chilean city of Punta Arenas, exploring possible correlations between both phenomena.
Methods. With a descriptive pilot design, 72 older people (60-87 years) residing in Punta Arenas were evaluated using the Beck Anxiety Inventory (BAI) and Montreal Cognitive Assessment (MoCA) tests to measure anxiety and cognitive impairment, respectively.
Results. Women were found to have significantly higher BAI scores than men (9,0 vs 3,5; p = 0,025), without significant differences in MoCA by sex. BAI and MoCA total scores showed an inverse correlation. Those over 70 years of age had a greater probability of altered scores in BAI, and a non-significant trend in MoCA (OR: 2.43; p = 0.066). Men showed higher rates of cognitive deterioration than women, although without statistical significance.
Conclusion. Those over 70 years of age showed a greater probability of altered anxiety and a non-significant trend toward greater cognitive deterioration. The results underscore the need for specific interventions to improve mental and cognitive health in this vulnerable population.
Technical Drawing in Engineering Education: Tool for Engineers’ Communication, Design and Ability Development
Authors:   University of Kragujevac, Faculty of Technical Sciences, Čačak, Serbia, Baralić Jelena , Bjekić Dragana ,   University of Kragujevac, Faculty of Technical Sciences, Čačak, Serbia
Published: October 2024

Technical drawing is a core of many engineering and design courses. The goals of this research are to assess whether engineering students who studied technical drawing at the university, using traditional tools for drawing and computer tools, improve their intellectual abilities, especially the effectiveness of perceptive and cognitive processors. The pilot research consists of two studies: (1) a correlation study of students’ abilities and pre-university experience with technical drawing courses; and (2) a quasi-experimental study of the effects of technical drawing courses on students’ abilities. The sample consists of 46 first-year undergraduate students in engineering departments (study 1) and 12 students selected from the first group after completing the course and passing an exam. The correlations between students’ ability to visualize spatial relationships and achievement in presenting a three-dimensional model in three projections are confirmed. The second study confirmed that the students’ perceptual processing abilities improved during the technical drawing course. In conclusion, the importance of learning technical drawing for some abilities development is emphasized, some research topics are opened, and some educational implications are suggested.
Simulation of a Chess Game with an Industrial Robot
Authors:   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Vujičić Vojislav , Bošković Gavrilo ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Čepić Strahinja ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Dučić Nedeljko ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Milićević Ivan ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia
Published: October 2024

This paper presents a simulation of a chess game with an industrial robot designed for educational purposes, focusing on the integration of automation in various industries. By using the FANUC ER-4iA robot in a FANUC educational cell, we explore the robot’s ability to perform precise and complex movements that are important for the chess game. The simulation is carried out using the ROBOGUIDE software, which enables detailed programming and visualization of the robot’s movements. The process includes configuring the coordinate system, defining the robot’s gripper parameters and programming the robot to precisely manipulate the chess pieces on a virtual chessboard. The results show that the robot performs the set tasks efficiently and demonstrates its educational potential in teaching robotics concepts and programming skills. Although the simulated application showed high precision in motion execution, certain limitations were noted in automation has become a key factor in increasing efficiency and productivity in various industries. Industrial robots have established themselves as indispensable tools in this process, enabling the automation of complex and repetitive tasks with a high degree of precision and reliability. This paper explores the application of industrial robots for educational purposes terms of the robot’s reach and carrying capacity.
The Use of M-Learning in Teaching Methods Courses at Faculties of Education
Authors:   University of Kragujevac, Faculty of Education, Užice, Serbia, Čutović Mirjana , Semiz Marina ,   University of Kragujevac, Faculty of Education, Užice, Serbia, Stevanović Nenad ,   University of Kragujevac, Faculty of Education, Jagodina, Serbia
Published: October 2024

The paper presents the results of the research conducted with the aim of investigating the university students’ attitudes towards the use of m-learning in teaching methods courses. The theoretical background of the research study includes previous knowledge of the importance and use of m-learning in professional application courses at faculties. The sample comprised 161 final-year students of undergraduate and master’s studies from the faculties of education from 4 universities in Serbia. The survey technique was used for data collection, and a research instrument – A Questionnaire with the Assessment Scale – was specifically designed for the purposes of this research study. The research results indicate that within the Primary School Teacher study programme m-learning is most frequently used in Teaching Methods of the Serbian Language and Literature, Teaching Methods of Mathematics, and Teaching Methods of Nature and Society, while the students of the Preschool Teacher study programme use m-learning most frequently in Teaching Methods of Environmental Studies, Teaching Methods of Speech Development, and Teaching Methods of Developing Initial Mathematical Concepts. The research results imply that it is necessary to shift the focus from lesson planning onto the practical implementation of lessons and activities in teaching methods courses.
Expanding the Possibility of Performing Laboratory Exercises Using Solutions Based on the use of SCPI and LoRa Networks
Authors:   University of Belgrade - Technical Faculty in Bor, Bor, Serbia, Stolić Predrag , Milošević Danijela ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Mravik Željko ,   University of Belgrade - Vinča Institute of Nuclear Sciences, Belgrade, Serbia, Grujičić Marija ,   University of Belgrade - Vinča Institute of Nuclear Sciences, Belgrade, Serbia, Jelić Marko ,   University of Belgrade - Vinča Institute of Nuclear Sciences, Belgrade, Serbia
Published: October 2024

Laboratory exercises are an important part of the teaching process at many faculties. However, despite the fact that today the implementation of laboratory exercises is carried out on modern equipment, the full potential of that equipment is often not used, that is, often some of the possibilities of modern equipment are not fully used in student practice. In the paper, it will be shown on two cases from practice how the student user experience can be expanded by using exactly those „forgotten“ options. In the first case, a solution based on the full use of Standard Commands for Programmable Instruments (SCPI), which are implemented on most modern measuring devices, will be presented. The second case will consider the application of open source hardware and software supported by LoRa connectivity, which enables the expansion of the spectrum of exercises performed by students. It will be shown that both solutions can be implemented without a high level of complexity and large financial efforts for the higher education institution itself.
The Role of AI Tools in Education: Opportunities and Challenges
Authors:   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Stanković Nebojša , Stanković Irena ,   Primary School “Radoje Domanović”, Novi Beograd, Serbia, Marković Gordana ,   Technical School, Čačak, Serbia, Blagojević Marija ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia
Published: October 2024

Artificial intelligence (AI) has significant potential for raising the quality of knowledge acquired by students. Advanced AI tools provide invaluable support in their learning endeavors. This study explores the perceptions of 953 primary and secondary school students, as well as university students, regarding the integration of AI in teaching methods. The research sample consists of Serbian students: 618 primary school students from Čačak and Belgrade, 233 secondary school students from Čačak, and 102 students from the Faculty of Technical Sciences in Čačak. The authors designed a targeted questionnaire to collect relevant data. The findings reveal a significant gap in the understanding of AI from the perspectives of different groups of students, particularly concerning applications more complex than the basic tools such as chatbots. This paper offers a comprehensive analysis of the most common AI tools in educational environments and presents conclusions and recommendations for improving the integration of AI tools in teaching to enrich the educational experience.
The Analysis of IT Competences in the Hospitality Related Study Programs in the Republic of Serbia
Authors:   Higher Business School of Professional Studies “Prof. dr Radomir Bojković”, Kruševac, Serbia, Garabinović Dušan , Papić Miloš ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia, Radojević Aleksić Ivona ,   University of Kragujevac, Faculty of Technical Sciences Čačak, Serbia
Published: October 2024

Following the trends of modern tourism development and the expansion and adoption of new technologies, the hospitality industry is constantly improving its service, which is most commonly based on information technologies. The stated situation is noticeable in the two main segments of the hospitality industry – the hotel and restaurant industry and in most activities carried out before, during, and after the guest’s stay. Depending on the tasks performed, human resources in the hospitality industry must have adequate competencies to use the available IT. Thus, their adequate education is necessary. The subject of this paper is the analysis of IT competencies in the hospitality-related study programs in the Republic of Serbia. The aim is to determine the presence of IT courses (compulsory/elective) in hospitality study programs implemented at institutions of higher education in the Republic of Serbia. The study programs were analyzed according to the type and level of study and ownership type of the institutions that implement them. Study programs accredited during or after 2017, whose name directly refers to the hospitality industry, were included in the analysis.
Competência Tributária do Imposto Seletivo
Authors: Folloni André
Published: October 2024

O artigo examina a extensão da competência tributária criada pela Emenda Constitucional n. 132/2023, ao incluir o inciso VIII no art. 153, estabelecendo competência para que a União institua impostos sobre produção, extração, comercialização ou importação de bens e serviços prejudiciais à saúde ou ao meio ambiente, nos termos de lei complementar. O trabalho argumenta que essa competência não pode ser compreendida como relativa a um simples imposto arrecadatório, pois, nesse caso, o critério de distinção entre contribuintes – prejudicialidade ao meio ambiente – violaria os princípios da capacidade contributiva e da igualdade tributária, e a alteração constitucional estaria obstada pela proteção às cláusulas pétreas. Essa interpretação também seria incompatível com a nova norma da não regressividade e com os objetivos da reforma tributária. Defende-se, então, que a competência prevista no art. 153, VIII, de fato, volta-se à instituição de um imposto extrafiscal e seletivo, que incida apenas sobre poucos bens e serviços comprovada e especialmente prejudiciais à saúde e ao meio ambiente. Ao final, o artigo sugere cinco critérios a serem observados no exercício da competência para instituição do Imposto Seletivo, que funcionam, simultaneamente, como critérios de validade da legislação infraconstitucional.
Multicultural Representation in Global Language Textbook Used by Indonesian EFL Learners
Authors: Sabillawati Reffi , Putra Kristian Adi
Published: October 2024

Most previous studies find that global textbooks for EFL learners are still unbalanced and contain multicultural values. At the same time, students have to be able to communicate with people from different cultures. For this reason, this discourse study compares multicultural depicted in a global language textbook endorsed by Cambridge University Press entitled English in Mind Second Edition and used by Indonesian EFL learners at the junior high school level. This study implemented qualitative analysis and was informed by a critical discourse approach. It unearths what multicultural values are represented in the textbook regarding Byramâ€™s intercultural communicative competence (2013), Yuen's cultural parameters (2011), and Kachru's three concentric circles (1985). The finding shows that in three concepts adopted in the research, the global textbook multicultural values are unbalanced, presented through the book activity, text, and images. The textbook dominates inner circle aspects even though it is used in Indonesia as expanding circle country. Based on the finding, it highly recommends that the textbook writers give the balancing multicultural value in global textbooks primarily used in expanding circle country. This study aims to help teachers increase multicultural creativity aspects for students and develop cultural and language critical awareness for textbook writers. It aims to engage EFL learners more responsive to multicultural values in pedagogical or in education practices.
Self-regulated Learning for High School Students in Biology Lessons through the Problem-Based Learning Model
Authors: Shamdas Gamar Binti Non
Published: October 2024

The ability to acquire knowledge and skills through systematic and deliberate monitoring of one's behavior is not evenly distributed among each student. Quantitative research using quasi-experimental methods aims to findthe effect of PBL on self-regulated learning, the effect of PBL on self-regulated learning based on gender, and to identify self-regulated learning for high school students based on indicators. The research design was a Posttest Only Control-Group Design carried out on Class XI students at a high school in Palu City with a population of 7 classes. Self-regulated learning data were obtained through questionnaires that were distributed to the experimental and control classes after learning was complete. Data were analyzed using an independent t-test and analysis of each indicator of self-regulated learning using the percentage formula. The study finds that self-evaluation is the most important indicator of self-regulated learning and that learning using the PBL model has a significant impact on student self-regulated learning based on gender and in comparison to conventional learning.It is recommended to apply the PBL model to learning in schools in Indonesia in particular to increase the ability of each student to carry out independent learning.
Improvement of Physical Activity in Volleyball Using Outdoor Laboratory in University Education Park
Authors: Sugiyanto David Richardo , Hartati Hartati , Aryanti Silvi
Published: October 2024

This study aims to determine the physical activity of volleyball players at Indralaya Utara 2 Junior High School.This research is quantitative research with a descriptive research design.The subjects of this study were volleyball players at Indralaya Utara 2 Junior High School with a total of 30 players consisting of 22 boys and 8 girls.Data collection used a test.The research location was carried out in an outdoor laboratory in the University Education Park.The data analysis technique uses descriptive analysis, which is expressed in the form of a percentage.The results of the study found that the physical activity of volleyball players which included endurance, speed, arm muscle strength, abdominal muscle strength, and leg muscle explosive power was in the moderate category and there were 3 players in the very good category, 6 players in the good category, 11 players in the fair category, 9 players in the poor category, 1 player in the very poor category.It can be concluded that the physical activity of volleyball players at Indralaya Utara 2 Junior High School is in the sufficient category. some of the findings have implications for the results of the research, namely the emergence of awareness for both players and students to increase and maintain physical activity wherever and whenever to improve the physical condition of players who are still in the sufficient category and still not enough so they can get better.
Natural and Social Sciences Project Learning E-Module to Improve Science Process Skills in Aspects of Substances and Their Changes in Vocational Schools
Authors: Nuraeni Heni , Helyawati Leny , Pursitasari Indarini Dwi
Published: October 2024

Electronic modules are one solution to help students master and apply Science Process Skills in terms of creative economic and social aspects of substances and their changes. This research aims to provide a bibliometric literature review regarding developing the Natural and Social Sciences Project e-module. Articles were found using Publishing or Perish (PoP) software with the Google Scholar database. 67 out of 80 articles found in the Google Scholar database from 2015 to 2022 were analyzed in this research. Selected references are then managed using reference management software, namely Mendeley. After managing the database, this research classifies and visualizes it using VOSviewer software. This review provides an appropriate reference point for further research on the â€˜IPA E-moduleâ€™. The research conclusion is that online tutorials are more effective than non-online for teaching science process skills to students. Through the Natural and Social Sciences Project e-module, which is practical and valid, the science process skills of vocational school students increase.
The Cultural Representation in Secondary EFL Textbooks: A Critical Content Analysis and Teachersâ€™ Perceptions
Authors: Kusumaningrum Anda Roofi' , Suparno Suparno , Sumardi Sumardi
Published: October 2024

Language and culture have an inextricable relationship. The present study aims to investigate the cultural representation embodied in the Senior High School English textbooks entitled â€œBahasa Inggrisâ€ for grades 10 and 11. Moreover, this study also explores two English teachersâ€™ perceptions of the cultural representations deployed in those textbooks. Implementing qualitative critical content analysis, the study investigated the cultural point in the textbooks based on Cortazzi and Jinâ€™s (1999) cultural dimensions and Yuenâ€™s (2011) cultural aspects as the frameworks. The results show that there is an imbalanced cultural representation between three dimensions which dominantly referred to source and target cultures. In terms of cultural aspects, Products are the most aspect that appeared followed by persons. Furthermore, the teachers reported that certain cultures should be dominantly represented in textbooks. Moreover, they assumed that practices and cultural aspects should be represented more in the textbook as a way to improve the studentâ€™s attitudes. The study inferred that the textbooks failed to promote balanced cultural depiction and lack in improving studentsâ€™ intercultural awareness. This study might be useful for education stakeholders, particularly teachers to select adequate material sources; and textbook writers to re-design the ELT textbooks with various cultural diversity.
Uncovering the Unheard Voices on the Need for Tourism Literacy in Samota Special Economy Development Zone of Sumbawa Island
Authors: Soepriyanti Henny , Waluyo Untung , Amin Muhammad , Fitriana Eka
Published: October 2024

The diversity of customs and culture of the people of Sumbawa is not widely known to foreign and domestic visitors because of the unavailability of tourism literacy products. This study aims to analyze and describe sources of tourism literacy in Sumbawa Island, focusing on providing information pertaining to tradition, daily life, history, and community perspectives. This current issue has not been explored as a potential source for developing tourism literacy. The present study employed a descriptive, qualitative methodology with an ethnographic design. The study finds that stakeholders in the Samota area still lack written literacy sources for official information for visitors visiting Sumbawa. This lack of literacy sources makes visitors unaware of each destination's conditions and customary rules. The study concludes that the development of tourism literacy at the research location needs to be done immediately by involving the community of tourism actors to ensure compatibility between government programs and sustainable community-based tourism development. While the direct link between tourism literacy and scientific research may not be immediately evident, the present study can contribute to a deeper understanding of cultural preservation, public engagement, economic support, and knowledge exchange in various disciplines.
Bibliometric Analysis of Micro-teaching Model Research Trends in 2013-2023
Authors: Blegur Jusuf , Ma'mun Amung , Mahendra Agus , Mahardika I Made Sriundy , Tlonaen Zuvyati Aryani
Published: October 2024

A comprehensive literature meta-study determines the accuracy of diagnosing past studies. It will influence plans to develop more meaningful and impactful future studies. The research aims to inspect the development of the publication of research articles on the micro-teaching model. Article data was collected using the Publish or Perish application, with the title words "Microteaching model" and "Micro-teaching model" from a search to inspect Google scholars within the last ten years, then verified using the Mendeley Reference Manager and analyzed with the VOSviewer tool. The inspection results find that the micro-teaching model research has not experienced significant development. The rationale is that of the 62 papers analyzed, on average, they are still developing and discussing sectoral micro-teaching models for mastering and improving teaching skills. Future research is needed to develop a micro-teaching model that supplements other skills (including analytical thinking, transformational leadership, and others). This research contributes as an evaluation of the publication database of articles on the micro-teaching model that advanced researchers can use to create more significant future research on classroom learning organizations that are more impactful, meaningful, and futuristic in preparing the competence of prospective teachers.