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  • The Top 5 e-commerce Competitive Advantages in Hungary
    128-139
    Views:
    427

    Abstract. In my article, I map out the key competitive advantages that are essential to online commerce, online store sales, success, and popularity. There is a wealth of literature on the subject. Year after year, more and more research and surveys are conducted on customer value, shopping habits, consumer behavior, digital transformation, which I would like to summarize and articulate, and highlight the main elements without which online sales would not be effective.

  • Ethical Attitudes by Students
    1-8
    Views:
    206

    We can read about empirical researches in connection with ethical behavior or attitudes by business students only in few inland but much more foreign papers. These studies examine: which behaviors are ethical or unethical by students and how strictare students in evaluation of situations. This paper aims to explore the attitudes of business students at the University of Debrecen: what they-as future organizational leaders-think about morality of a work situation.

  • The Correlation between LGBTQ Tolerance and Economic Development in Europe
    31-51
    Views:
    457

    This study analyses the relationship between LGBTQ tolerance and economic development. It uses various indices measuring tolerance and economic data of 48 European countries. Based on previous literature I outlined how economic progress is supposed to have an impact on the social inclusion of marginalised groups. Also, a number of empirical reports are cited providing substantial evidence that tolerance can too shape economic performance. The main aim of this paper is to confirm that these findings in fact hold water in Europe. Having examined the regression analysis of GDP per capita and tolerance, as well as HDI and tolerance, I found that the modernisation theory proved valid on my sample. The other component of my analysis focusing on the sway of social inclusion over FDI showed that more tolerant states attract more foreign capital. These results led me to believe that economic progress and LGBTQ inclusion are interrelated, thus the latter should be considered upon forming policy.

  • Vocational Teacher Training – Self-Evaluation of Prospective Teachers
    1-11
    Views:
    220

    Teacher Training Programmes provide teachers of Vocational Education and Training schools.  At the end the training the students wrote self-evaluation about their most significant experiences. The article deals with the self-evaluation of prospective vocational teachers’ progress after their practical pedagogical training in Vocational Education and Training schools. The students reported on their progress in their various skills. According to the results the students believe that practical pedagogical training makes an essential contribution to their education and future profession.

  • Design of Chip Conveyor
    81-85
    Views:
    186

    The following article examines the design methodology of screw conveyors. The most significant steps are discussed concerning the design of the apparatus and its use in machine tools as a service component is explained.

  • „Return to the Countryside” – a Qualitative Approach of Students’ Opinions About Rural Life
    204-216
    Views:
    317

    Nowadays, the research of rural areas’ specific features is one of the most interesting part of sociology. Within these studies the rural areas ability for survival and to retain forms an important basis. A pillar of these, that the youth from rural areas become sufficiently motivated to stay at or to return to their homeland and be able to redound development. We were looking for answers, that how university students, who participated in our current research are thinking about the hungarian countryside, in their opinion what are it’s advantages and disadvantages and it’s possible potentials. In addition, we examined those factors, which are contributing to that respondents who are studying in large cities want to stay there, but at the same time we wanted to explore the opposite factors, those that make tudents to return to the countryside. Last, but not least we investigated a very interesting topic, the relations between the respondents and the rural elite.

  • Cybersecurity Challenges in Agricultural Digitalization: A Systematic Review with Python-Based Analysis
    33-47
    Views:
    284

    The intersection of agriculture and cybersecurity has become a prominent research focus in recent years, driven by the rapid adoption of IoT (Internet of Things) and precision farming technologies. These technological innovations have revolutionized agricultural processes, enhancing efficiency and sustainability while introducing significant security risks. This study conducts a systematic literature review (SLR) to address key cybersecurity issues in agriculture, with a particular emphasis on IoT vulnerabilities and threats. Using Python-based text analysis techniques, the research automated the analysis of abstracts and full texts, enabling rapid filtering and thematic categorization of relevant studies. From an initial pool of 1,039 publications, 40 relevant studies were identified based on rigorous screening criteria. The thematic analysis revealed that 44.9% of the publications focus on IoT device vulnerabilities, 32.7% on agricultural cybersecurity challenges, and 22.4% on the security issues of Agriculture 4.0 and precision farming. Methodological analysis indicated that machine learning, simulation models, and case studies dominate the research landscape, while surveys and experimental studies appear less frequently. The findings highlight the critical importance of developing robust cybersecurity strategies and technologies in the agricultural sector, particularly to mitigate the risks posed by IoT devices.

  • Classical and applied mathematics in secondary school
    404-407
    Views:
    131

    In a secondary school I wrote a test with similar abilites student. In one class students had to solved applied mathematics exercises, in other class there were pure mathematics exercises. I anayzed the results.

  • Artificial Intelligence Possibilities in Vehicle Industry
    148-154
    Views:
    411

    There have been several attempts during the last decades to extend the ranges of application of artificial intelligence. The aim of the development for AI is to replace human intelligence and experience. The ultimate aim for machines and vehicles is to run much more efficiently and with higher reliability than ever before. The Artificial Techniques (AI) used a wide range of expert systems to optimize problems. Hybrid intelligent management systems have become increasingly influential in artificial intelligence during the last decades. As a result, maintenance and fleet management systems have undergone significant development. By choosing adequate maintenance or operating strategy and taking user behaviour into consideration, these systems can not only increase the reliability and efficiency of vehicles but can also result in financial savings. The paper tries to discusses the applications of AI techniques in predictive maintenance and vehicle industry.

  • The Individual, Education or Work Environment Influences the Quality of Graduates’ Employment?
    244-260
    Views:
    260

    In this paper I examine what has an effect on the quality of the graduated students’ employment. The quality is measured by the the discrepancy between the educational attainment of workers and the educational requirements of their job. On the base of this I can distinguish matching and overeducated workers. The latter category can be divided into two other groups, so called genuinely overeducated, who are not satisfied with their mismatch, and apparently overeducated, who are satisfied with their mismatch. Using multinomial logit model I try to identify those individual, educational and workplace’s characteristics that influence being matching, apparently, or genuinely overeducated using the database of students graduated in 2007 and 2009 in the University of Debrecen. I try to test those factors that were determined in the literature like mobility and commuting propensity, market rigidity, career mobility, job tenure.

  • Organisational Culure and Academic Performance of Technical Management BSc Students
    1-11
    Views:
    224

    Our study analyses the connection between perceived and ideal organizational cultures and academic results. A modified, self-managed OCAI questionnaire was used to measure perceived and ideal organizational cultures among engineering management students of the University of Debrecen Faculty of Engineering (N = 114). Our results reveal weak positive linear correlations between academic performance and perceived or ideal level of clan culture. In case of other culture types we did not find any consistent relationship. Based on our results students who consider clan culture ideal can expect better results than those who prefer other types. Among students who visit at least 61% of the classes those who reported fitting (or better fitting) perceived and ideal cultures tend to perform better in their studies.

  • The presence of stress and leisure sports in the life of today’s people
    74-86
    Views:
    881

    Today's people are extremely busy with a lot of things, such as work, family, learning, so they try to spend their free time with activities that promote them in relaxation, reassurance, recreation. It can be said that the people of today's world are burdened, more stressed and nervous, trying to do the best they can to live properly. A lot of people have a hard time communicating, community life. There are a lot of people who are forced to work from home, as projects and weeks' deadlines don't wait. Besides, there are many things to be done, children need to be dealt with, you have to have fun, you have to pay attention to health, you have to run a household, etc., so there is little time for people to do what they really love. In my research, I assessed the leisure habits of the inhabitants of Romania and Hungary, but their attitude to active reclamation activities (N=273) was their activity in sport. The results show that passive leisure activities (watching TV, reading, listening to music, internet) are still the most popular among people, although most of us do sedentary work. People who play sports in their spare time felt more refreshed, and they had a better mood, more positive. The sports that people can play outdoors and in parks come to the fore.

  • The Effect of Player Transfers on Football Companies Valuation
    Views:
    408

    Transfer seasons are one of the most highlighted periods in world of football. The market of player rights forces the greatest european clubs with their enormous budgets to compete with each other in order to aquire the most talented and most succesful players. It is not uncommon to sign players for tens of millions of euros, to this extent these expenditures are seriously affecting clubs bottom line. However, despite the expenditure nature of player transfers the value of these clubs increase, based on the best known measurer for companies valuation: the stock exchange. In my research the effect of player transfers ont he valuation of football corporations are presented through market value development of stock market listed clubs namely Juventus and BVB Dortmund. Based on my results if the examined clubs were signing players according to a player transfer policy considered as succesful the value of examined clubs had increased through stock market price independently of player transfer balance. Moreover the effect of coronavirus could had been noticed, since both clubs valuation decreased heavily in the 2020 summer transfer window probably due to the revenue loss caused by the pandemic.

  • Examination of macro- and micro elements in the artificial bathwater samples
    61-69
    Views:
    258

    During our research, micro- and macro element content of synthetically produced bathwater was examined. Previous studies, which were conducted at the Department of Environmental Engineering at the Faculty of Engineering, University of Debrecen, proved that the quality of domestic greywater is greatly varied. This diversity can also be observed in the case of greywaters. The examination of bathwater samples covered the contentanalysis of Al, Ba, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Sr, Zn, Ca, K, Mg, Na, Li elements with the application of MP-AES method. The analysis of greywater’s micro and macro content is essential part in the control of irrigation systems, flushing as well as car washing, because its heavy metal content can have a significant effect on the environment. In this study, we would like to present the concentration values of micro and macro elements of the examined greywater samples. Furthermore, we would like to make a comparison among our result, previously examined greywater samples and drinking water samples, too.

  • Implementing Lean Leadership in Garment Industries
    348-354
    Views:
    517

    Garment industries are one of the most competitive industries nowadays, that was the main reason why implementing lean tools became conventional between big brands, although, lean tools alone are not enough for successful lean implementation in any organization, that’s why creating lean leaders and defining what lean leadership exactly means became a necessity, in this study, we will try to draw a path in which garment manufacturers can pursue to become lean organizations taking a (Manufacturer for NIKE) as an example for the study as a heavy lean implementer closing by suggesting a 9 steps method that lean can be implemented successfully in garment industry factory.

  • The Role of Logistics Management in Public Services – Research Plan
    33-43
    Views:
    375

    Public services and logistics are generally treated as different fields, but the tools of logistics management with the help of the Unified Services Theory can be used for the benefit of the public services. The aim of this theoretical paper is to generally introduce my topic and relevance of the research on which my PhD thesis will be based in the future. The expectations in the advanced, globalized world are pushing governments to find new methods to fulfil the needs of the citizens while keeping up or even increase efficiency and effectiveness. I believe that from a certain viewpoint the public administration system can be considered as a large scale supply network, and I am particularly interested in how we could apply logistical methods in public services to increase efficiency and effectiveness while simultaneously increase customer satisfaction. In this particular paper I would like to present how I see the connections between the concept of New Public management and the Unified Services Theory. I would like to show the similarities between them and how they could complete each other in order to serve as a background for later logistics related approaches and researches within the domain of public services.

  • Strategic Role of Environmental Factors in the Operation of a Manufacturing Company: A Synthesis of Three Analytical Models
    56-74
    Views:
    271

    Nowadays, the operations of companies are influenced by increasingly complex internal and external factors, the systematic examination of which is essential for conscious strategy-making. The relevance of this study lies in the context of global economic instability, rapid technological advancement, and intensifying market competition, all of which present new challenges for organizations. The aim of the research is to demonstrate how the analysis of environmental factors can support strategic decision-making, with particular emphasis on a specific company case. The analysis was based on three established methods—PESTEL analysis, Porter’s Five Forces model, and the SWOT framework—which together enabled an integrated examination of macro- and micro-environmental factors as well as internal resources. The results highlighted several key strengths of the company, such as professional expertise, international presence, and the quality of customer relationships, while also identifying several areas in need of improvement, particularly in terms of pricing strategy, digital information accessibility, and internal communication. The novelty of the study lies in the combined application of the three analytical tools, which revealed interrelated insights and served as the basis for well-founded recommendations aimed at enhancing strategic flexibility and strengthening competitiveness.

  • Design and Implementation of BHN Testing Equipment To Measure Remaining Stress Of Wheelset Parts (Tie Rod and Stabilizer Bar)
    337-341
    Views:
    270

    Nowadays in the automotive industry both production and service, requires accurate lifetime calculations. Today we have big amount of theoretical background and nowadays the importancy of technical and industrial databases become more and more important. By materials scientific and fracture mechanics aspects are well covered, but the remaining stresses which are present in every step of production, we can not clearly identify the origin of them. There are different paralell methods to mesure them, but the application of different methods are depending on the engineers, and their expreiences at the company. This part of the analysis is not standardised yet, so there are differences even in the same company. 

  • Modern Applications of Aluminium Foams
    14-21
    Views:
    425

    The implementation of aluminium alloy foam has more and more attention. Application of closed cell aluminium foam has made an impact in automobile and aerospace applications where crash energy absorption, vibration and weight reduction are obligatory [1,2,3]. The aluminium alloy foam is an advanced lightweight material providing high strength and stiffness at relatively low density. The technological use of aluminium alloy foam is difficult with the currently available technologies. In the case of open cell aluminium foams, the most common research areas for application are heat exchanger components, filters and sound damping elements [3]. The manuscript focuses on the manufacturing techniques of the aluminium alloy foams according to the application areas. First step is the investigation of the requirements for the application: what are the loads and the circumstances and why can we use aluminium foams. Second step is the knowledge of the producing methods of the foam or the component. And the last step is the investigation of the possible testing methods.

  • Forces Attributed to Dark Matter May Originate from Entangled Particles as Seen in the Shape Of Galaxies Formed by Grbs
    23-32
    Views:
    226

    Recently, it has been suggested that entangled particles may be connected by a wormhole. If that is right, what is the distance between them we have to take into account when applying Newton's law of universal gravitation to these particles? We propose the idea that these particles may attract each other regardless of distance, resulting in a force that behaves exactly the same way as the force derived from presumed dark matter. Traces of such a force seem to be present in galaxies due to gamma ray bursts (GRBs) that produce entangled particles which hit various objects. We can observe that in barred spiral galaxies the arms always pass through the nucleus of the galaxy so we believe that the very first GRB happened at the central supermassive black hole (SMBH) and the arms are the traces of this ancient GRB. If we see an unbarred spiral galaxy, we can be certain that the arms do not pass through the core and we think the very first GRB happened close to the core. Ring galaxies may also be considered as a type of spiral galaxies, since there is a section where the ring is broken, i.e. where the arms do not meet. So the very first GRB happened far from the core. Elliptical galaxies may have resulted from an ancient GRB which hit from outside. The arms rotating in opposite directions of the NGC4622 galaxy support our hypothesis. Finally in the silk threads of the spider web of the universe, the traces of GRBs can be seen.

  • Vehicle dynamics modelling of an electric driven race car
    106-114
    Views:
    205

    In the following we are presenting a vehicle dynamics simulation program developed in MATLAB environment. The program is capable of calculating the dynamics functions of a vehicle from its technical data. The program has been successfully applied for the optimization of the technical data of an electric driven race car that was designed and constructed at the Department of Mechanical Engineering of the University of Debrecen.

  • What is the function? – experiences of an occasion among the secondary school students
    560-570
    Views:
    188

    In the frame of the project EFOP-3.6.1-16-2016-00022 „Debrecen Venture Catapult Program" it was held an occasion among secondary school students the aim of which was formation of that concept which is very important in the engineering area. In many cases in order to solve problems necessary that students have an "ideal" function concept image (the image is interrelated with the notion of the concept) and they can change between different representations of the function. In our paper we will show the experiences of the occasion in which was formed the function concept by investigation of several relationships from the everyday life and engineering area with the help of individual and cooperative learning method.

  • Future Power Plant Portfolio Analysis from the Point of View of Minimum Cost and Emission Optimization
    61-77
    Views:
    185

    The article examines the expected composition of the power plant portfolio in Hungary by 2030. The indicators considered are the life-cycle unit costs (LCOE) and the life-cycle specific carbon dioxide emissions (LCA(CO2)) of the power plant types. The minimum of these two indicators, as objective functions, is determined by a linear programming method for the power plant portfolio. The results show that the LCOE minimum for the power plant portfolios in 2030 is worse in absolute terms and better in specific terms than in 2021. In both absolute and specific terms, the LCA(CO2) minimum is more favourable in 2021. These results are met under the thirty and twenty-five percent electricity import scenarios. With twenty percent imports, the absolute values are worse and the specific values are better for both indicators. On the other hand, the results of the calculations for 2030 fall short of the 2030 Agenda of the Institute for a Green Transition. This is due to the delay in commissioning a new nuclear power plant and the transformation of industry with increasing electricity demand. For the portfolios under review, a minimum of thirty percent of domestic generation from renewable sources is met. This contributes significantly to the European Union's ambition for the sector to be net greenhouse gas-free by 2050.

  • Transformation of the Decisional Leadership Role
    26-40
    Views:
    330

    Leadership decision-making is important for the successful functioning of organizations, so it is necessary for leaders to understand the factors that impact their decisions. Decision-making is always the responsibility of the leader, but in a changing world, it becomes an even more crucial factor for success. Making good decisions requires time, experience, and thorough problem-solving skills. In my research, through the analysis of scholarly sources, I have identified several role factors that clearly influence the decision-making process and its implementation. Furthermore, I have developed a self-designed questionnaire to examine the decision-making role in modern organizations. I analyzed the data from 230 respondents using various statistical methods. Based on my findings, conflict management, risk-taking, and a thorough understanding of the problem strongly determine leadership decision-making processes. The ability of leaders to effectively manage conflicts significantly impacts their decisions. Risk-taking is also of key importance, as leaders need to recognize the risks associated with a given situation and make decisions accordingly.

  • Examining Used and Sportswear Supply Chain Strategy and Indicators
    86-98
    Views:
    302

    The following study presents the supply chain strategy of a second-hand and sportswear company in Hungary. The study discusses the main tasks of supply logistics, the level of logistics service, the main determining elements of the level of logistics service, and the measurement of customer satisfaction. From the first step of the process, we can fully follow the processes until the last activity. We can learn in detail about the sub-processes, such as: types of clothing collection, sourcing, warehousing, selection, disassembly, processing, receipt of goods and sales. The aim of the study is to make the processes more transparent for everyone.