bluuebunny/crossref_metadata_2025 huggingface dataset:
Livingstoni Cichlid: Identification, Facts, Care Guide
Authors: Frey Erzsebet
Published: October 2024

Oh, the Livingstoni Cichlid, what a captivating creature it is! With its mesmerizing appearance and intriguing behavior, this fish is sure to pique your interest. From its unique hunting techniques to its territorial instincts, there is so much to discover about this species. But that’s not all, if you’re thinking about bringing one into your home aquarium, we have all the essential care information you need.
Acoustic Monitoring Techniques for Bird Species Identification
Authors: Frey Erzsebet
Published: October 2024

Yielding unparalleled insights into avian behavior, discover how acoustic monitoring techniques are revolutionizing bird species identification and conservation efforts.
Ancient California lake transforms into deadly bird ‘death trap’
Authors: Frey Erzsebet
Published: October 2024

Introduction The landscape of California is dotted with natural wonders, one of which is a historic lake with a rich and vibrant history. However, in recent times, this once-thriving ecosystem has become perilous for wildlife, particularly migratory birds.
Why Medication for Opioid Use Disorder Is Not “Trading One Drug For Another”
Authors: Barnes Erin
Published: October 2024

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Why Medication for Opioid Use Disorder Is Not “Trading One Drug For Another: Part 2”
Authors: Barnes Erin
Published: October 2024

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What is happening when an addictive substance is used in the brain?

Every addictive substance acts on a chemical in the brain called dopamine.
Week in wildlife: jaguar cuddles, supermarket cockatoo, seal in Canary Wharf
Authors: Frey Erzsebet
Published: October 2024

Exploring the Week in Wildlife: Jaguar Cuddles, Supermarket Cockatoo, and a Seal in Canary Wharf

Nature never fails to surprise us with its bustling wildlife and striking encounters. This past week has been no different, bringing us heartwarming, bizarre, and intriguing wildlife stories that showcase the beauty and unpredictability of nature.
Tracking Monkeypox Cases in North Carolina
Authors: DeWitt Michael
Published: October 2024

Tracking the Outbreak Learning lessons from the emergence of SARS-CoV-2 and the COVID-19 pandemic, we have launched a new website tracking the reported number of Monkeypox cases in North Carolina using data reported by the North Carolina Department of Health and Human Services (NCDHHS) as well as across the United States using data provided by the Centers for Disease Control and Prevention (CDC). Monkeypox virus (MPX), a double stranded DNA
How Do Polar Bears Adapt to the Arctic?
Authors: Frey Erzsebet
Published: October 2024

Specialized adaptations enable polar bears to thrive in the Arctic, but there’s one surprising feature that sets them apart from other bears…
Thermal Imaging for Wildlife Surveys
Authors: Frey Erzsebet
Published: October 2024

Cutting-edge thermal imaging revolutionizes wildlife surveys, but challenges remain. Can researchers overcome obstacles to unlock its full potential?
An Introduction to the Intersection of Infectious Diseases and Addiction
Authors: Barnes Erin
Published: October 2024

Infectious diseases and addiction One of the most frequent questions I am asked is, “What does infectious diseases have to do with addiction!? How did you get into this?” I began my fellowship in infectious diseases at AHWFB in Winston Salem, NC in 2014. At this time prescription opioid prescribing was still near its peak.
Vegetation Sampling Methods for Ecological Research
Authors: Frey Erzsebet
Published: October 2024

Unlock the secrets of vegetation sampling methods to ensure accurate ecological research, but which approach will yield the most reliable results?
Bobcats In Washington State
Authors: Frey Erzsebet
Published: October 2024

Have you ever pondered the secrets hidden within the world of bobcats in Washington State? These elusive creatures, with their mysterious habits and enigmatic hunting techniques, hold a wealth of knowledge waiting to be unraveled. From their choice of habitat to their diverse diet, there is much to discover about these skilled predators.
Everything You Should Know About Leopard Spots
Authors: Frey Erzsebet
Published: October 2024

Intricate patterns with hidden secrets, leopard spots are more than mere beauty marks—discover their surprising role in survival and science.
The Truth About Hippo Aggression
Authors: Frey Erzsebet
Published: October 2024

Just when you thought hippos were gentle giants, their aggressive nature reveals a shocking truth.
Plankton Preservation Techniques
Authors: Frey Erzsebet
Published: October 2024

How can tiny plankton be preserved for scientific study? Discover the surprising range of techniques, from freezing to drying, that researchers use.
IDWeek 2024
Authors: DeWitt Michael E.
Published: October 2024

The Section on Infectious Diseases and the Atrium Health Division of Infectious Diseases attended IDWeek 2024 in Los Angeles, CA and made a strong showing. Presentations and posters were presented by a variety of members including infectious diseases pharmacists, pharmacy residents, medical residents,infectious disease fellows, and infectious disease physicians.
Discover the upgraded giant panda habitat at the National Zoo.
Authors: Frey Erzsebet
Published: October 2024

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Introduction to the National Zoo’s Panda Habitat

There’s something extraordinarily captivating about pandas, isn’t there? With their distinctive black and white fur and gentle demeanor, these adorable animals have a unique ability to draw in crowds and elicit pure joy. Recognized globally for their charm, it’s no wonder that pandas are a key attraction at the Smithsonian’s National Zoo.
Microplankton Sampling Equipment
Authors: Frey Erzsebet
Published: October 2024

Keen on uncovering the ocean’s tiniest inhabitants?
Ecological Census Data Management and Visualization Tools
Authors: Frey Erzsebet
Published: October 2024

Powerful tools await: unlock the secrets of ecological census data management and visualization to reveal surprising insights that will change the course of conservation forever.
Exploring the National Zoo’s Upgraded Giant Panda Habitat – NBC Washington
Authors: Frey Erzsebet
Published: October 2024

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Discovering the Revamped Giant Panda Habitat at the National Zoo

If you’re a wildlife enthusiast or just love exploring new attractions in Washington, D.C., the newly renovated giant panda habitat at the National Zoo is a must-visit! Here’s a deep dive into this upgraded space that’s both a treat for visitors and a boon for its cuddly inhabitants.
Scat Survey Equipment List
Authors: Frey Erzsebet
Published: October 2024

From essential collection tools to safety gear and storage solutions, discover the must-have equipment for your next scat survey. But what crucial item are you forgetting?
Interesting Tiger Facts
Authors: Frey Erzsebet
Published: October 2024

Hiding in the shadows, tigers possess unique stripes and surprising abilities, but their fascinating world extends far beyond what meets the eye.
Estimated Monkeypox Susceptible MSM Population in North Carolina Review
Authors: DeWitt Michael
Published: October 2024

How many vaccines do we need?
Hyena Clan Dynamics
Authors: Frey Erzsebet
Published: October 2024

Navigating hyena clan hierarchy reveals surprising female dominance, complex social structures, and cooperative hunting strategies.
Tardigrade Facts
Authors: Frey Erzsebet
Published: October 2024

Just when you thought you knew all about tiny creatures, tardigrades surprise with their superhero-like abilities to survive extreme conditions. What else can they do?
Coyotes in North Carolina
Authors: Frey Erzsebet
Published: October 2024

Are you itching to separate fact from fiction when it comes to coyotes in North Carolina? Buckle up and get ready for an enlightening journey into the intriguing world of these clever canines. From their historical presence and habitat to their adaptability in various environments, we’ll uncover the truth behind the myths surrounding these elusive creatures.
Snail Facts, Types, Diet, Reproduction, Classification,
Authors: Frey Erzsebet
Published: October 2024

Begin your exploration of the diverse world of snails with a glimpse into their mysterious and intriguing characteristics, leaving you eager to uncover more.
What Affects Panda Bamboo Consumption?
Authors: Frey Erzsebet
Published: October 2024

Bamboo consumption by pandas hinges on various factors, from climate to habitat quality. But what surprising element plays a crucial role?
Python devours deer in Southwest Florida wilderness – WPLG Local 10
Authors: Frey Erzsebet
Published: October 2024

The Unsettling Event in Southwest Florida

This past week, in the dense wilderness of Southwest Florida, a shocking incident occurred that has left wildlife experts and residents astounded. A large Burmese python was found to have devoured an entire adult deer, underscoring the severe impact invasive species can have on local ecosystems.
Jaguar Hunting Explained
Authors: Frey Erzsebet
Published: October 2024

Witness the jaguar’s lethal prowess as it stalks its prey. What makes this big cat nature’s perfect predator?
Medical Student 2024
Authors: DeWitt Michael E.
Published: October 2024

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Giraffe Neck Vertebrae Explained
Authors: Frey Erzsebet
Published: October 2024

Learn how giraffe necks defy gravity with just seven vertebrae, and discover the surprising adaptations that make their extraordinary anatomy possible.
Sloth Sleeping Habits
Authors: Frey Erzsebet
Published: October 2024

Hanging upside down for up to 20 hours a day, sloths’ sleeping habits reveal surprising adaptations for survival. But why do they need so much rest?
Carnivore Scat Analysis Techniques
Authors: Frey Erzsebet
Published: October 2024

Wondrous secrets lurk within carnivore droppings, revealing species, diets, and more—but which analysis technique unlocks the most valuable information?
A Case Series of Serratia Marcescens in Persons Who Inject Drugs
Authors: Barnes Erin
Published: October 2024

Our second year Infectious Diseases fellow Dr. Cook presented this work on serratia endocarditis at 2022 IDWeek in Washington DC! Here at AHWFB Health we have been seeing an increasing number of infections of the heart due to the bacteria Serratia marcescens in persons who inject drugs. This is a reddish-orange bacteria commonly found in soil and water that is not a usual cause of serious infections.
Can Badgers Swim: Exploring The Aquatic Side Of Badgers
Authors: Frey Erzsebet
Published: October 2024

Have you ever wondered if badgers can swim? While these creatures are known for their underground burrows and digging skills, their relationship with water is often overlooked. In this discussion, we will explore the fascinating aquatic side of badgers and shed light on their ability to navigate through water.
Implementing artificial intelligence in travel services, customer satisfaction GAP study at Serbian airports
Authors: Ćurčić Nikola , Grubor Aleksandar , Jevtić Boris
Published: October 2024

AI technologies have significantly transformed various sectors, including travel and airport operations. This research aims to investigate the implications of implementing artificial intelligence (AI) in airport services on passenger satisfaction and overall travel experiences, as well as how AI technology shapes the way airports support passengers throughout their journey. The study conducted empirical research at Serbian airports with a sample size of 668 passengers. Participants provided their attitudes and satisfaction ratings on 10 statements regarding the impact of AI technology implementation in airport services. The findings from regression analysis reveal a high level of AI implementation in airport services, particularly concerning passenger experience and security. However, passengers express less satisfaction with the implementation of chatbots and virtual assistants, AI algorithms, and certain AI tools that do not meet their expectations. Specifically, passengers feel they do not always receive sufficient instant responses, real-time flight information in the case of delays, or effective issue resolution at the analyzed airports. These results contribute valuable insights to the AI literature and offer implications for future implementations of these technologies in industry, marketing, and technology development. Moreover, they can guide managerial practices and investments in future digital technologies aimed at enhancing passenger experience.
Evaluating the significance of artificial intelligence (AI) in academic platforms by using PIPRECIA-S method
Authors: Đukić Tijana , Novaković Srđan , Jauković-Jocić Kristina
Published: October 2024

The purpose of this paper is to determine the importance of artificial intelligence (AI) on academic platforms by utilizing a multi-criteria determination method. The aim is to enhance our understanding of how incorporating AI can enhance the efficacy and effectiveness of the study process. The study employs the Simplified PIPRECIA (Pivot Pairwise Relative Criteria Importance Assessment) method to assess the significance of various factors and characteristics when choosing an academic platform. Five decision-makers conducted a comprehensive literature review to evaluate a list of elements and characteristics of three platforms. The paper begins with an overview of the theoretical foundation and methodology, then presents the research findings and discusses their implications. The results corroborate the relevance of multi-criteria decision-making methods (MCDM) in this context, providing authoritative insights and demonstrating their advantages. The conclusion emphasizes the potential application of these results to make informed choices about academic platform selection, ultimately contributing to improved learning outcomes and research efficiency.
Perspectives of the development of tourism in the municipality of Beočin
Authors: Vuković Predrag , Kljajić Nataša , Simonović Zoran
Published: October 2024

The municipality of Beočin is located in the northwest of the Republic of Serbia on the territory of AP Vojvodina. Territorially it belongs to the northern part of region of Srem, while administratively it belongs to the South-Bačka District. There are a total of nine settlements on the territory of the municipality, of which only the narrow municipal core can be classified as an urban unit, while the other settlements can be classified as rural settlements. On the territory of the municipality there are a large number of natural and social (anthropogenic) resources suitable for the development of tourism, which to some extent has been put to the function of development. In order to continue the development, it is necessary to follow the strategic principles and positive experiences of other municipalities that develop tourism. One of the principles on which development should be based is the principle of sustainability. The requirement to preserve the local rural environment and the local community must be correlated. The aim of the work is to present the potential for the development of tourism in the municipality of Beočin, starting from the natural and social resources that are present, as well as to indicate future strategic directions of development.
Sustainable development of urban tourism in Kragujevac
Authors: Todorov Predrag
Published: October 2024

The development of tourism in cities in recent years has increasingly led to negative ecological, socio-cultural, and economic effects. Cities in Serbia are facing the same issues, and therefore must plan their tourism development according to the principles of sustainable development in order to reduce the negative impact of tourism. Market research is crucial for planning strategies for sustainable urban tourism development. This scientific work highlights the importance of market research for the sustainable development of tourism in Kragujevac, with a focus on the identification of key elements that contribute to the improvement of city tourism. A survey conducted among 302 respondents during June and July 2023 collected data on demographics, motivation for visiting, satisfaction with the offerings, and perceptions of the ecological and social aspects of tourism. The results show that tourists are most attracted to cultural and historical landmarks, events, natural beauty, and gastronomic offerings. The research revealed challenges in the sustainable use of natural and cultural resources, which requires further consideration to enhance tourism development. Strategies that support environmentally friendly practices, such as using renewable energy sources and promoting eco-tourism, along with improving tourists' awareness of sustainable practices, are recommended.
Possibilities and perspectives of ensuring compliance with tax obligations and protection against tax evasion
Authors: Jovanović Aleksandra , Atanasovska-Cvetković Aneta
Published: October 2024

In all countries, including Serbia, taxes play a significant role in financing various public needs. Compliance with tax obligations affects the efficiency and effectiveness of the tax policies of all world governments, including ours, especially in generating income, and also represents a viable and possible long-term strategy that will help with the state's financial independence. The irregular tax collection and tax evasion seems to be a problem for authorities around the world, and it is necessary to find out ways of ensuring the tax payment, which is the purpose of this article. Throughout history, for better understanding, the taxes are also shown. In the article itself, due to the need of finding new and confirming the existing ways of ensuring tax payment, the importance of legal regulations and criminal protection in order to ensure tax payment was highlighted, and in addition, voluntariness was shown as a possible method of achieving the goal. Influence factor based analysis, practice and legal analysis, matter solution suggestions are also set as the goal of the article, with firm purpose of ensuring public revenues, ie the state budget.
EuReCa Serbia 2014-2021: Analysis of data on non-initiation of CPR in relation to specific location of cardiac arrest
Authors: Šušković-Bosančić Rajka , Vasilić Milica , Bandulaja Marina , Lazić Aleksandra , Medić Sara , Ristić Jovana
Published: October 2024

Objective: The aim of this study was to analyze the distribution of initiation and non-initiation of cardiopulmonary resuscitation (CPR) based on different location categories, using data collected through the EuReCa_Serbia project. In this research, we focused on determining how these distributions differ concerning patients' age and location of cardiac arrest. Material and Methods: The study included epidemiological data on out-of-hospital cardiac arrest (OHCA) collected through the EuReCa questionnaires of the European Resuscitation Council (ERC). A database was created consisting of information defined by the unique EuReCa One study protocol from October 1, 2014, to December 31, 2021. After completing each questionnaire, the data were entered into a unique electronic database at each research center and then into a centralized database. Data were collected from 16 municipalities in Serbia, covering 24.13% of the population. Results: Between October 2014 and November 2021, a total of 8,349 cases of out-of-hospital cardiac arrest (OHCA) were recorded, of which 2,758 patients (33.1%) received cardiopulmonary resuscitation (CPR) measures. The analysis revealed a statistically significant difference in the frequency of CPR initiation or non-initiation depending on the specific locations of the arrest (ch²(8) = 847.217; p < 0.001). A significant difference was also found in the frequency of CPR initiation between cases where cardiac arrest occurred at the patient's residence and those occurring outside the residence (ch²(1) = 75.319; p < 0.001). Highly statistically significant differences were also noted among different locations of cardiac arrest in patients older than 65 years (ch²(8) = 664.652; p < 0.001) as well as in patients younger than 65 years (ch²(8) = 134.075; p < 0.001). Conclusion: The study found that the survival rate following out-of-hospital cardiac arrest (OHCA) varies depending on the location of the incident. OHCA most frequently occurs in residential locations, where outcomes are worse due to patient isolation and a lower likelihood of bystanders being present. In long-term care facilities, the high rate of non-initiation of CPR can be attributed to the age and poor health status of the patients. Conversely, public places and sports facilities provide better outcomes due to a higher likelihood of CPR being performed. There is a need to improve emergency response strategies in residential settings and long-term care facilities.
EuReCa_Serbia Subotica 2014-2021: Epidemiology of out-of-hospital cardiac arrest
Authors: Budimski-Soldat Mihaela , Momirović-Stojković Milena
Published: October 2024

Aims and goals Continuous monitoring of epidemiology, treatment and outcome of out of hospital cardiac arrest on the territory of Subotica municipality. Methodology EuReCa Serbia is a part of international, prospective, multicentric, EuReCa_One project, which records survival of patients (epidemiology, treatment, outcome) with out of hospital cardiac arrest in Europe, who are registered on "clinicaltrials.gov (registration number: NCT02236819) by ERC. Data gathered by research center Subotica from October 1, 2014 to December 31, 2021. have been observed. Statistical software SPSS Statistics for Windows v27.0 was used for analysis. Variables are presented through incidence and percentage, and Chi-Square test was used for connection testing between categorical variables. Results During the observed time period, the incidence of EuReCa events was 171,67/100.000. Annual incidence of initiated cardiopulmonary resuscitation was 60.75/100000. Age Median for both sexes was 71 (IQR 62-81). Incidence of out of hospital cardiac arrest in patients" residences, per year, was 157.08 /100.000. Yearly Incidence of provided basic life support was 11.07. Return of spontaneous circulation (ROSC) was achieved in 164 patients of 516 cases (31.78%), which makes the incidence of achieved ROSC, per year, 19.31/100 000. Conclusion Incidence of initiated cardiopulmonary resuscitation and achieved return of spontaneous circulation can be compared with results of European countries. Further monitoring of OHCA is necessary so that the reasons for poor laymen involvement can be determined.
AuAg/rGO electrodes for borohydride oxidation
Authors: Milikić Jadranka , Radinović Kristina , Šljukić Biljana
Published: October 2024

Gold and silver nanoparticles in different atomic ratios deposited on reduced graphene oxide (AuAg/rGO-1, AuAg/rGO-2, and AuAg/rGO-3) were tested for the borohydride oxidation reaction in an alkaline medium. The morphology, structure, and composition of AuAg/rGO electrodes were investigated by transmission electron microscopy (TEM) and scanning electron microscopy with integrated energy dispersive spectroscopy (SEM-EDS). The TEM analysis showed that the most of gold and silver particles (more than 80%) are up to 9 nm in size, while slightly larger particles represent less than 5%. SEM-EDS showed a similar morphology, and the composition of three AuAg/rGO electrodes was determined. AuAg/rGO-1 and AuAg/rGO-2 electrodes showed similar, while AuAg/rGO-3 electrodes demonstrated slightly lower electrocatalytic activity for borohydride oxidation. The studied electrodes were observed to be active for the borohydride hydrolysis as well, which is expected based on literature data. AuAg/rGO certainly represent potential anode materials for application in direct borohydride fuel cells.
Assessment of surface water detection using Sentinel-1 SAR data: Case study Vojvodina province
Authors: Nikolić Ratko , Bošković Vladan
Published: October 2024

This study assesses the utility of Sentinel-1 Synthetic Aperture Radar (SAR) data for surface water detection in Vojvodina province. Using multi-temporal SAR imagery from January 2022 to April 2024, machine learning classifiers including Random Forest, KDTree KNN, and Maximum Likelihood were employed to classify water bodies and non-water areas. Polarized indices derived from Sentinel-1 data, such as the Polarized Ratio, Normalized Difference Polarized Index, and Dual-Polarized Water Index, were utilized to enhance water body detection. Despite challenges in accurately identifying narrow canals, the study achieves a notable overall accuracy of 92.68% with Random Forest, 92.08% with KDTree KNN, and 91.58% with Maximum Likelihood for water classification. Producer accuracy for the water class ranges from 87.75% to 89.65%, while User's accuracy exceeds 96.50% across all classifiers. The calculated Cohen's Kappa coefficients of 0.83 to 0.85 indicate substantial agreement between predicted and reference data, underscoring the effectiveness of Sentinel-1 SAR data in surface water detection. However, spatial resolution limitations present ongoing challenges, particularly in accurately delineating narrow water features like canals. Future research directions include refining algorithms to enhance classification accuracy and addressing these challenges in diverse environmental contexts.
Hydrographic surveying of international inland waterways of the Republic of Serbia
Authors: Vranić Petko , Đorđević Dejana , Popović Jovan , Pejić Marko , Brajović Ljiljana , Pjevčević Danijela
Published: October 2024

European inland waterways are a key element of the European transport network and are mostly used for freight traffic. The hydrographic surveying is the basis for the maintenance of inland waterways and the establishment of safe navigation. A part of the European waterway corridor E80 consists of the rivers Danube, Sava and Tisza, which part of their course also flows through the Republic of Serbia. On these sections of the mentioned rivers, the competent state institutions are conducting a continuous campaign of hydrographic measurements, which, among other things, includes GNSS RTK positioning and depth measurement with a single-beam ultrasonic echo sounder. In this paper, the characteristics of these sections of rivers, the current methodology of depth measuring and positioning during depth measuring will be shown in details.
Moment tensor inversion by fitting surface waves for the m 5.5 earthquake in Kraljevo
Authors: Sidorov-Biryukov Dmitry , Stanković Nikola
Published: October 2024

This paper focuses on the inversion of seismic data from the Kraljevo earthquake to determine the source parameters and provide a comparison with classical methods. Understanding the earthquake source is critical for seismic hazard assessment and contributes to refining existing models. The inversion was performed using the Grond software, using seismic waveform data from the seismic stations located in the range of 900 km from the epicenter to resolve the moment tensor and other key source parameters: depth, magnitude, etc. The results for the moment tensor solution were compared with the one obtained from traditional (P-wave first-motion polarity) method as well as the source parameters were compared with findings from prior studies, offering insights into the robustness of the inversion approach. This comparison helps assess the reliability of different techniques in earthquake source analysis, enhancing our understanding of seismic events and their broader implications for regional tectonics.
Application of the time-dependent boundary conditions for convergence velocity for modelling of ophiolite obduction
Authors: Stanković Nikola , Cvetkov Vesna , Sidorov-Biryukov Dmitry
Published: October 2024

2D numerical geodynamic modelling applied in this paper gives a better insight into the process of obduction of two distinct ophiolite belts during the closure of a single ocean. Closure of the ocean is achieved by imposed convergence of the tectonic plates. In the created numerical themomechanical models, the influence of the variable velocity of the tectonic plate motions is analyzed. Convergence rate variation is modelled with the goal of achieving obduction and the permanent emplacement of ophiolites via complex evolution of the plate velocities. The basis of the model is the closure of an ocean through a flat intra-oceanic subduction, during which the plates change intensity and direction of their motion. Divergent phase of the evolution leads to the short-lived spreading of the new oceanic domain in from which, after the final closure, one of the two ophiolite belts originates.
Summary selection of methods of water well development on example mineral water source "Vitinka polje" in Kozluk (Bosnia and Hercegovina)
Authors: Nikolić Nikola , Novaković Vaso , Petrović Dejan , Čomić Jasenko
Published: October 2024

In the area of Kozluk near Zvornik, the presence of mineral water was established at the end of the 19th century, while the first collection works were carried out in 1954. During 2002 and 2003, the author of the paper carried out investigative works, which enabled the capture of mineral water and its bottling. The research of this part of the terrain has continued until today, and the author of the paper carried out additional research during 2023. The results contributed to a better knowledge of the geological structure and hydrogeological characteristics of the terrain, all for the purpose of building a new water well. After the drilling of the water well, the development phase followed, which is often crucial for the successful completion of the works. In their practice, the authors were convinced that the capacity of the well depends on the correct choice of the development method, as well as the development regime itself. The capacity of the same water well can be several times higher, depending on the choice of methods and proper development regime. This paper presents the results of the applied development methods, as well as the optimization of the well development regime depending on the characteristics of the aquifer.
Influence of feeder positions at preheating temperature distribution in railway aluminothermic welding simulation
Authors: Jovanović Gvozden , Delić Alen , Manojlović Vaso , Dikić Stefan , Miletić Milica , Sokić Miroslav
Published: October 2024

One of the most used techniques for making a continuous rail track is aluminothermic welding. This technique has its advantages in its simplicity, portability, and it does not require external energy when repairing or connecting tracks. One of the crucial parts when implementing this process is the mold design that influences the solidification of the casting. In this study three models were investigated that have varying positions of the feeders: asymmetrical mold, centered mold, and symmetrical mold. The focus of the paper is to determine how the position of the feeder effects the preheating of the side rails that would be welded together. This was carried out using NovaFlow & Solid CV and utilizing its sensor function. The rail was modeled after the 49E1 standard rail, and the preheating was carried out by simulating a burner at 1000 oC for 900 seconds. The asymmetrical model had a negligible increase in temperature, while the symmetrical and centered model were similar. One side rail was more heated than the other, which can be attributed to the positioning and shape of the burner source area.
The development of the application of artificial intelligence in production engineering: One glance
Authors: Majstorović Vidosav
Published: October 2024

Artificial intelligence (AI) has today become the most important element of the Industry 4.0 model in application, and on the way to building a smart factory. Its history is about eight decades long, and a special area of its research and development is manufacturing engineering, in which AI has been applied since the mid-1980s. Expert systems (ES) were the first AI tools applied in this field. The aim of this work is to perform a systematic analysis of the state of development and application of AI in manufacturing engineering, which (AI) is originally used as an aid to the engineer, planner and designer of various engineering products. It is also used to manage processes and systems in manufacturing engineering. Starting from that, the work is structured in such a way as to provide answers to the following questions: what is AI and how was it developed, how were AI models created and how were they developed in the technological systems of manufacturing engineering, what are today's models and prospects for applying AI in them, as well as possible directions of future research in this area. As a special point of this work, some results of our research in this area are presented.
Technologies for enabling MTC in vehicles domain
Authors: Urošević Uglješa , Bibić Uroš
Published: October 2024

MTC (Machine Type Communications) and the technologies that enable them are at the peak of their development and are gaining increasing significance in the management and control of M2M devices. Since these objects possess intelligence, communication capabilities, and the ability to interact with their environment, they are considered a key component of future smart cities, buildings, vehicles, etc. This paper discusses the technologies that enable MTCs in the domain of vehicles - V2X, the architectures of existing communication systems, as well as the goals and challenges of further development of machine communications in this field.
Women and men in logistics: Perceptions, practices and projections
Authors: Tadić Snežana , Veljović Miloš , Krstić Mladen
Published: October 2024

Logistics is most often associated with the most visible jobs, the performance of which was or still is physically demanding or exhausting (driving long distances, reloading of goods, etc.). That is why these jobs, and even the entire field of logistics, are often associated with the male workforce that most often performs them. However, with the evolution of logistics and its scientific study, a more comprehensive overview of the field, including the role and importance of the female workforce for the implementation of logistics processes, is reached. Despite this, there is still a significant gap between the wishes, perceptions, and projections of gender equality of educated logisticians about the existing practice. This paper discusses the state of gender equality and the roles of men and women in logistics from the perspective of the future and existing workforce.
Comparative travel time-space analysis by different transport modes in Novi Sad
Authors: Pitka Pavle , Miličić Milica , Kovačević Tatjana , Simeunović Milja , Jović Andrijana , Rašković Jovan
Published: October 2024

One of the most important factors in the choice of transport mode is the travel time. When choosing a transport mode, passengers prefer the alternative that offers a shorter travel time. The simplest and most commonly used method for determining travel time is a survey of citizens. However, the survey tends to be subjective and the data obtained can be inaccurate. The paper presents the research carried out in Novi Sad, where the travel time from the origin to the destination on three routes was analysed and differentiated using the Global Navigation Satellite System for the following transport modes: walking, cycling, passenger car, taxi and bus public transport. The results show that the bicycle is competitive with all other modes studied in terms of travel time. The journey by bus public transport took the longest compared to the other motorised transport modes. Walking had the lowest proportion of time lost in the total travel time structure.
The impact of rail transport service quality on intermodal transport quality: A model for evaluation
Authors: Tadić Snežana , Kilibarda Milorad , Veljović Miloš
Published: October 2024

Rail transport (RT) has a significant share in intermodal chains, so intermodal transport (IT) quality largely depends on RT services' quality. On the other side, the quality of these services depends on many infrastructural-technological, organizational and regulatory-institutional factors. The impact of these factors on the service quality and IT is not easy to precisely quantify. Fuzzy systems are a suitable mathematical tool for solving this task, considering that they provide the possibility of imprecise evaluation of variables. In this paper, a fuzzy system-based model for evaluating the impact of RT services' quality on IT quality is defined. Applying it to the example of Serbia, it was established that this influence in this country is neutral/dual.
Comparison of ATIG welding powders and their influence on mechanical properties
Authors: Vuherer Tomaž , Bajić Darko , Manjgo Mersida , Bjelajac Edvard , Skumavc Andrej , Orožim Uroš , Lojen Gorazd
Published: October 2024

The application of conventional electric arc welding in argon protection (TIG welding process) has limited possibilities. These limitations are primarily related to the thickness of the welded material and the need to prepare the groove for their welding. Overcoming these limitations in TIG welding was done by using activating flux, so the procedure was named ATIG (A-TIG) welding. The paper presents the results of research into the application of activating fluxes in welding austenitic stainless steel 316L with a thickness of 6 mm. By using the BC-31 and QuickTIG melters of different chemical bases, we compare the mechanical properties of the welded joints, as well as with the welded joints of the same material obtained using the conventional TIG procedure. The results show that the best mechanical properties are possessed by welded joints realized by the ATIG process using a mixture of activating fluxes BC - 31 (50%) and QuickTIG (50%) (green + white flux).
Essential variables for overlay welding of superheater used in Recovery boilers
Authors: Marsenić Tihomir , Župan Marko , Despotović Božo , Samardžić Ivan , Marić Dejan
Published: October 2024

The paper describes the important variables relates to overlay welding and requirements for the quality of the overlay deposits on superheater components in Recovery boilers. The results of testing of the overlay deposits on the production test sample welded at the Andritz TEP factory are given.
Credit Cost Management and Financial Performance of Hotel Businesses in Kenya
Authors: Asuga Harliet Kerubo
Published: October 2024

This study explores the impact of credit cost management on the financial performance of businesses in Kenya's hospitality sector. Specifically, it examines how interest rates, loan collateral, and loan repayment terms influence the profitability and financial stability of small and medium-sized enterprises (SMEs) in the industry. The study is supported by Loanable funds theory, Credit scorecards theory and Tradeoff theory.  Through a desk review of existing literature, the study identifies that high interest rates increase the cost of borrowing, creating financial pressure on businesses, while lower rates support profitability. Loan collateral is found to be a major determinant of access to credit, with businesses that provide sufficient collateral securing loans more easily. Flexible loan repayment terms contribute to better cash flow management and liquidity, improving overall financial performance. The study concludes that effective credit cost management is critical for the success of hospitality businesses and recommends that financial institutions and policymakers collaborate to provide more favorable credit terms, including lower interest rates, reduced collateral requirements, and more flexible repayment options. Increased transparency in loan agreements and government interventions to support SMEs are also essential for fostering financial growth in the sector.
Rédaction et Pratique du Manuel Intelligent de Français Médical —— L’Intelligence Artificielle Générative au Service du Français Médical
Authors: CAO Hui
Published: October 2024

Avec l'essor des technologies intelligentes, les manuels numériques s'imposent progressivement dans le domaine de l'éducation. Le manuel intelligent de français médical, issu de l'intégration des technologies intelligentes et des ressources pédagogiques, réalise une transformation complète en termes de contenu, de format, de services et d'évaluation. Basé sur des principes tels que l'innovation, l'interdisciplinarité et la flexibilité, il optimise la structuration des connaissances en français médical, intègre la transformation numérique et les cartes de connaissances, et offre une classification intelligente du vocabulaire, des discours multimodaux et des mises à jour en temps réel. De plus, il propose une plateforme de cours interactive, un système de rétroaction personnalisé et un dispositif d'évaluation continue. L'efficacité du manuel et les risques liés à son utilisation sont également étudiés pour optimiser son application et améliorer la qualité pédagogique, contribuant ainsi à l'innovation dans le domaine des manuels intelligents et à une meilleure intégration entre médecine et langue française.
PENGEMBANGAN INDUSTRI KALIGRAFI: PELUANG DAN TANTANGAN MENINGKATKAN EKONOMI UMAT ISLAM
Authors: Rozi Sakhbana Hasibuan
Published: October 2024

The Islamic calligraphy industry has great potential to improve the economy of Muslims through various forms of commercialization and cultural preservation. The main opportunities include the art and collection market, education and training, as well as the development of creative industries with the application of calligraphy to design and digitalization products. Apart from that, cultural and religious tourism that utilizes calligraphy can attract tourists and improve the local economy. However, the industry faces challenges such as lack of financial support, difficulties in accessing global markets, copyright protection issues, and a lack of adequate education and training. Strategies to overcome these challenges include increased financial support, stronger copyright protection, better education and training, and the use of digital technology. With the right approach, the calligraphy industry can develop rapidly and contribute significantly to the Muslim economy.
PENGARUH SENI KALIGRAFI DALAM MENUMBUHKAN KEMANDIRIAN FINANSIAL BAGI MAHASISWA
Authors: Rabiatun Adawiyah
Published: October 2024

The art of calligraphy plays a significant role in fostering financial independence among students. Through intensive practice and meticulous attention to detail, this art form strengthens skills such as precision, patience, and creativity, crucial for personal financial management. This article explores how calligraphy can serve as an effective educational tool to enhance students' understanding of the importance of discipline, planning, and financial stewardship. Implementing calligraphy practices within higher education enriches visual culture and positively influences students' attitudes toward financial autonomy and responsibility. The method used in this research is qualitative, where the researcher collected data through online interviews and observations with informants. Additionally, the researcher referenced various theories from literature reviews such as scientific journals, books, and reliable information. The research findings indicate that the marketing strategy employed towards the informants involved online marketing strategies, including platforms like Facebook, Instagram, and WhatsApp. Through these strategies, they experienced increased sales. Furthermore, the informants implemented changes in product quality and sales services to ensure customer comfort and loyalty.
ILMU KALIGRAFI DAN PERANANNYA
Authors: Lestari Dwi , Nura'ini Rani , Siregar Nabil Mahmudi , Efendi Lailatul Husna
Published: October 2024

Calligraphy is considered an ancient discussion today, but it is an art that purely emerged from Islam itself. The development of calligraphy in Islam is largely due to the emergence of the Qur'an. The writing of the Qur'an in Arabic made calligraphy a distinctly Islamic art. So Muslims are required to learn Arabic, but learning Arabic requires four language skills, namely listening skills, speaking skills, reading skills, and writing skills. Writing skills are the basis of the development of calligraphy in Islam. Calligraphy is the art of writing beautifully, therefore, researchers wrote in this journal about the effect of calligraphy on writing proficiency in Arabic. The method used in writing is the literature review method by analyzing various references. Based on the results of the analysis, the effect of calligraphy on Arabic language skills can train the spontaneity and quality of writing of students.
The Performance of Staff at the Arusha Regional Immigration Office: An Investigation into the Influence of Job Enrichment Practices
Authors: John Jovin , Adam Fredrick
Published: October 2024

The inefficiency and low morale of Immigration staff in Tanzania have led to significant concerns regarding their performance. Over 40% of Immigration Department staff report low job satisfaction, and employee productivity has declined by 25% over the past three years. The persistent issues of inefficiency and low morale threaten to undermine these functions, thereby justifying the need for this study. This study assesses the influence of job enrichment practices on the performance and job satisfaction of Immigration Department staff in Arusha. The study employed a descriptive research design guided by a pragmatism research philosophy, which balances both subjective and objective perspectives to address the complex issues related to job performance and satisfaction. The study also used Job Characteristics Theory (JCT), which posits that certain job characteristics such as skill variety, task identity, task significance, autonomy, and feedback enhance employee motivation and performance. Data was collected through questionnaires and interviews with a sample size of 52 respondents whereby 47 staff completed questionnaires and 5 leaders were interviewed. A purposive sampling technique was used to ensure that participants with direct experience in job enrichment practices were included. The questionnaires were analyzed using descriptive statistical methods, including frequencies, percentages, means, and standard deviations. The qualitative data from the interviews were analyzed using thematic analysis. The findings reveal that job characteristics significantly impact job performance. This study highlights the significant role that job enrichment and job satisfaction play in enhancing the performance of Immigration Department staff in Arusha. The findings suggest that focusing on improving job characteristics that contribute to job satisfaction can lead to a more motivated and productive workforce. It is recommended that the Immigration Department adopt strategies that promote job enrichment, such as providing opportunities for skill development, increasing employee autonomy, and ensuring a supportive work environment.