bluuebunny/crossref_metadata_2025 huggingface dataset:
A prosztatatumorok multiparametrikus MR-képalkotása PI-RADS v.2.1 Multiparametric MR imaging of prostate tumors:PI-RADS V.2.1
Authors: Kalina Ildikó , Wolf Tamás
Published: May 2024

A hazánkban működő 1,5 Tesla és 3 Tesla mágneses térerősségű MR-készülékek alkalmasak a prosztatára célzott MR-szekvenciák elvégzésére, mind a megfelelő anatómiai felbontás, mind a funkcionális mérések kivitelezése terén, így lehetőséget nyújtanak a prosztata komplex, multiparametrikus MR képalkotására és a PI-RADS alkalmazására. A PI-RADS azzal a céllal jött létre, hogy egyszerűsített és standard módszert kínáljon a prosztata MR-leletezésére, megkönnyítse a radiológus és a klinikus közötti interdiszciplináris kommunikációt. Hazánkban a rendszer még rutinszerűen nem terjedt el, cikkünk célja, hogy minél szélesebb körben figyelmet kaphasson.
Beyond cruelty: Analyzing sexual and gender-based violence as torture and inhuman treatment
Authors: Novakovic Filip
Published: May 2024

This article delves into the critical intersection of sexual and gender-based violence (SGBV) and the international legal frameworks governing torture and inhuman treatment. SGBV represents one of the most pervasive and devastating violations of human rights worldwide, with women and girls disproportionately affected. It aims to analyze how categorizing SGBV as acts of torture and inhuman treatment under international law can provide a more robust legal framework for addressing these violations, acknowledging the prevalent majority of victims being women and girls. By elucidating the multifaceted nature of SGBV and its impact, and examining legal precedents and jurisprudential developments, the article contributes to the evolving conceptualization of SGBV within the context of torture and inhuman treatment, with a focus on women?s suffering. Moreover, it highlights the practical and symbolic benefits of this categorization, including enhanced legal accountability and increased protection for survivors. The article concludes by emphasizing the urgent need for a unified approach by international stakeholders and policymakers to address SGBV as a distinct and pervasive form of torture and inhuman treatment, contributing to the ongoing discourse on sexual and gender-based violence and offering insights for advancing the protection of vulnerable individuals and marginalized communities on a global scale.
The importance of the population census for understanding the socio-demographic structure of external migrants from Serbia
Authors: Veskovic-Andjelkovic Milica
Published: May 2024

The population census in Serbia has a long tradition, dating back to the era
of Prince Milos. However, initially, its purpose was not directed towards
understanding the population but rather predicting the state?s certain
revenue from taxes. After the Second World War, the census?s purpose
changed. Namely, the number and structure of the population came to the
forefront. Thus, among other things, it represents a source of information
for decision-makers. Regarding data on migration populations, they have been
regularly collected since the 1971 Census. Many standards recommended by the
United Nations have been accepted but adjusted to local capabilities and
needs. Considering that data is collected from household members who are in
the country, not from emigrants, discrepancies in the actual numbers and
structure of this group are expected. However, analyses of data collected in
population censuses represent a valid sample based on which one can conclude
about the directions of movement and the structure of emigrants.
The Risk of Technology Dominance in Using Digital Decision Aids in Assurance Engagements—Evidence from a Survey among Danish Auditors
Authors: van Liempd Dennis , Theis Jochen C. , Sutton Steve G.
Published: May 2024

SYNOPSIS

Accounting firms continue to develop digital decision aids (DDAs) that reinforce consistent use of firms’ audit methodology and provide assurance for meeting regulator expectations. Firms actively promote use and reliance on DDAs, but relying on such systems risks over-reliance, impacting decision quality and heightening technology dominance. Surveying 725 Danish auditors, we sought to determine the level of reliance practicing auditors have on DDAs and understand how auditors experience these potentially deleterious effects in the field. Results show auditors rely more on DDAs when auditors are inexperienced, task complexity is high, there is familiarity with the DDA, and/or there is cognitive congruence. Junior auditors rely significantly more on DDAs than senior auditors, whereas auditors indicating low usage rely significantly less on DDAs. Overall, senior auditors and auditors not heavily using DDAs have deskilling concerns and are less positive on junior auditors’ as well as the profession’s skill development when using DDAs.

JEL Classifications: M15; M41; M42.
Fixed and Variable Tax Expense and the Cost of Equity Capital
Authors: Fan Qintao , Guenther David A. , Wu Kaishu
Published: May 2024

Prior studies provide mixed evidence on the relation between tax avoidance and cost of equity capital. To understand how this relation varies across firms, we model income tax as containing both a fixed component (like a tax credit or deduction) and a variable component (a tax rate) and investigate how each type of tax expense affects the cost of equity capital. Unlike other fixed costs, the fixed tax component may be negative (a tax benefit). A lower fixed tax component always reduces cost of capital. The effect of a lower tax rate depends on the sign of the fixed tax component. With a negative fixed tax component, a lower tax rate increases cost of capital. Results of empirical tests are generally consistent with our predictions. Our results suggest the relation between cost of equity capital and tax avoidance is ambiguous when tax avoidance is accomplished through a lower tax rate.

JEL Classifications: G12.
A Teaching Case: Applying Benford’s Law to Detect Credit Card Fraud Using Microsoft Excel
Authors: Shen Wei-Cheng , He Hao , Lee Chih-Chen
Published: May 2024

Benford’s Law has been frequently used for fraud detection and is introduced in various accounting, auditing, and analytics courses. Instead of using specialized computer-aided auditing tools, this teaching case purports to apply Microsoft Excel to demonstrate the process, applicability, and benefits of Benford’s Law by analyzing publicly available datasets on confirmed COVID-19 and credit card fraud cases. This hands-on exercise also enhances students’ Excel skills to extract, transform, and load (ETL) data and use various data visualizations (e.g., pie/100 percent stacked/combo charts) to display proportional information. This case provides an engaging learning experience that matches student skill levels, stimulates critical thinking, and fosters interest in forensic accounting.

Data Availability: Data are available from the authors upon request.

JEL Classifications: M42; M41; I20.
Gestión estrategica de costos
Authors:   Universidad Técnica  Estatal de Quevedo, Paredes Gavilánez Jorge Gualberto , Brito Garzón Mónica Elina ,   Escuela Superior Politécnica de Chimborazo “ESPOCH”; Riobamba –  Ecuador, Merino Sánchez Luis Ernesto ,   Universidad Nacional de Chimborazo “UNACH”, Ramos Merino Lorena Lucia ,   servidora pública del Gobierno Autónomo Descentralizado  Parroquial Rural (GADPR)
Published: May 2024

Solo se conocían dos costos importantes desde del comienzo de la industrialización, los costos de material y mano de obra directa eran los únicos que se inventariaban, ya que eran los más importantes. Sin embargo, con la expansión de las inversiones y las organizaciones, se hizo necesario incluir otros costos, como los costos indirectos de fabricación se desarrollaron, surgió la idea de os costos indirectos de fabricación son los que no se pueden asignar directamente a un producto, pero que son necesarios para su producción. La distinción entre costos directos e indirectos se hizo evidente cuando se hizo necesario incluir estos costos en la contabilidad de los costos. Los costos de producción y no producción eran los únicos costos considerados por los contadores hasta hace muy poco tiempo.
Cretaceous Limestone Dolomitization and Argument of Its Mg2+ Sources: Exampling the Bekhme and Qamchuqa Formations in the Zagros Collision Belt
Authors: Karim Kamal Haji , Mohamad Sherzad Tofiq
Published: May 2024

This study unveils new considerations regarding the dolomitization of the Bekhme and Qamchuqa formations (BQFs), two reefal Cretaceous units in the Iraqi Zagros collisional belt. Previous studies proposed the dolomitization of these formations due to the ascent of Mg-rich hydrothermal solutions through deep faults but lacked substantial supporting evidence. This paper present new considerations suggesting that the dolomitization of the BQFs resulted from the Cretaceous environmental conditions and basin paleogeographic setting of the platform on which these formations were deposited. To justify this consideration, seven proofs presented. First is the occurrence of dolomite as vast layers extending tens of kilometers laterally and bounded between limestone beds, which resemble a strata-bound occurrence. Second is the absence of vertical selective dolomitization such as, hydrothermal mineralization, vertical dolomite dykes, hydrothermal vents, tubes, or zones. Third is the barrenness of most of the fault surfaces and their surrounding rocks with selective dolomitization. Fourth is the sharp boundary between the dolomite and limestone layers, indicating a sudden environmental change from lagoon to reef or forereef. Fifth is the record of dolomitization in the sediments reworked by bioturbation, evident in thalassinoides burrows. Sixth is the succession of BQFs underlain by limestone and green marl devoid of dolomitization and hydrothermal upward movement. Seventh is the contradictory notion of hydrothermal dolomitization among the most recent study published in the Science journal which atributed dolomitization to normal temperate on earth surface. In the present study, the source of the Mg is argued and its presence is attributed to the warmth of the Arabian platform (plate) near the equator during the Cretaceous period. Another source is the connection of the Arabian platform with the Neo-Tethys Sea, which was the locus of Mg-rich mafic volcanism in the form of arcs and mid-oceanic ridge topography, which supplied a voluminous amount of Mg to the Arabian carbonate platform through ocean currents.
Prevalence of Malaria among Under-5 Children in a Secondary Care Level, Ondo State, Nigeria
Authors: Oluwafemi Rosena Olubanke , Afolabi Olajide Joseph , Oniya Mobolanle Oladipo
Published: May 2024

Background: Malaria continues to be a leading cause of ill health among children. Globally, this infection remains the major cause of morbidity and mortality especially among the under-five.
Aim: The aim of the study was to investigate and document the prevalence of malaria infection among age groups, genders, birth orders, and blood groups of children who attend a secondary health care level, south-west, Nigeria.
Subjects and Methods: Blood samples of 500 children whose ages ranged between 1 day and 5 years were collected through venipuncture, and these were tested for malaria parasites through the microscopy method, positivity was confirmed by Polymerase Chain Reaction (PCR) test. It was a hospital-based cross-sectional study. The children were recruited from various points of entry into the hospital which included the emergency room, newborn unit, and outpatient department (OPD). Data analyses were done using the SPSS statistical software and p-value < 0.05 was considered significant.
Results: The prevalence of malaria among the neonates (age group 0 to 28 days) was 60.2%, the prevalence of malaria was 49.2% among the infants (aged 29 days to 1 year) while the prevalence was 52.9% among children aged 1 to 5 years (χ2 = 0.004, p < 0.05). The gender prevalence of malaria infection was 30.4% for males and 21.8% for females (χ2 =0.000, p<0.05). The prevalence of malaria infection among birth orders showed that children in the first, second, third, fourth, and fifth birth orders are 41.0%, 28.0%, 22.6%, 5.4%, and 3.1%, respectively (χ2 = 0.0210, p < 0.05). Prevalence of malaria among the blood groups are; A− (1.92%), A+ (13.41%), B− (1.15%), B+ (19.54%), O− (6.51%), O+ (51.73%), AB− (0.38%) and AB+ (5.36%).
Conclusion: There is a high prevalence of malaria among the children examined in this study, there is therefore the need to intensify efforts to reduce the burden of the infection in the study area, especially among the children.
Manajemen Produksi Tayangan Televisi “Talkcation” RBTV Jogja pada Periode Magang MBKM Tahun 2022
Authors: Agusta Rivga , Ariyanto Satya Putra
Published: May 2024

Talkcation is educational talkshow program in collaboration with Reksa Birama Televisi (RBTV) and Amikom Yogyakarta Communication Studies program in Merdeka Belajar Kampus Merdeka (MBKM) internship program. Talkcation comes with a new concept to provide a more interesting and educational. The purpose of this study is to explain the management strategy for the production of Talkcation shows during the 2022 MBKM internship period conducted by the Rumah Kreatif Media team. In this study, researchers used qualitative research types with case qualitative descriptive that focused on the 2022 MBKM period. The main data source comes from interviews with the Rumah Kreatif Media team who were observed during the research process in the field. This study can provide an overview and analysis related to the process of management from Rumah Kreatif Media to create a program television talkshow at RBTV Jogja. This was done in order to improve production from the results of Talkcation better, provide variations, and improvisation of programs for RBTV.
Penerapan Bauran Komunikasi Pemasaran pada Wisata Religi
Authors: Damastuti Riski , Aji Ihza Mahendra Komang
Published: May 2024

Based on the data obtained from the 2019 Bappeda tourism statistics, it is known that there has been a significant increase in visitors to the Mlangi Religious Tourism Village. This is quite the opposite considering that tourism which has high interest is natural and historical tourism. This study describes the efforts to implement the marketing communication mix carried out by the Mlangi Religious Tourism Village. This study uses interviews, observation, and documentation as data collection techniques. The interviewees for this research were four people who were administrators and responsible for the Mlangi Religious Tourism Village, as well as visitors to the Mlangi Religious Tourism Village. From this research it is known that the Mlangi Religious Tourism Village does not use all the elements in the marketing communication mix, but only four of the elements, namely: advertising, public relations and publicity, interactive marketing, and word of mouth marketing.
Person-Centred Hepatitis C Virus Treatment In Community Settings
Authors: Pourmarzi Davoud
Published: May 2024

The World Health Organization (WHO) has set a target to eliminate the Hepatitis C virus (HCV) as a public health threat by 2030. To achieve this, HCV treatment needs to be accessible through primary health care providers in community settings. In Australia, general practitioners and nurse practitioners can prescribe nearly free direct-acting antiviral (DAA) medication. However, there are still many barriers to the provision of HCV treatment in community settings. Considering the characteristics of HCV infection, people with HCV, and the Australian primary health system, person-centred HCV treatment is suggested to improve treatment uptake and adherence. Although the provision of person-centred HCV treatment in community settings is emphasised, the characteristics of these models are not well described. This short report describes the characteristics of person-centred HCV treatment in community settings to inform policy and practices in supporting HCV elimination. The characteristics were developed based on the analysis of findings of studies conducted by the author using person-centred care framework. The studies included a mixed methods systematic literature review, a Delphi study, and a mixed methods case study on a community-based model of care for treating HCV.
My Voice, My Choice: A systematic review of the literature relating to consumer-directed care in Australia
Authors: Kosiol Jennifer , Olley Richard , Lloyd Sheree , Fraser Linda , Cooper Helen , Waid Daniel
Published: May 2024

Objectives and importance of study: The objective of this systematic review of the literature was to examine the evidence relating to consumer-directed care (CDC) in the aged care environment. CDC entails providing individuals with the option of choice and flexibility in their care, to empower aged care recipients with autonomous decisions over their healthcare choices. Additionally, the researchers found evidence relating to the vulnerability of users of aged care services and the lack of understanding towards a true consumer-oriented approach which was highlighted during the Royal Commission into Aged Care Safety and Quality.
Study type and method: The research team used the PRISMA Method to review the available literature systematically. This qualitative review of the literature on consumer choice in the aged and social care sectors assessed sixteen high-quality research papers and identified themes that emerged to promote authentic consumer voice in aged care services. These articles provided insight into what aged care providers require to increase transparency and facilitate effective, meaningful consumer choice.
Results: Six themes emerged from the literature reviewed: Informed Choice, See Me Hear Me, Funding My Choices, My Choice My Way, Policy, and Know Me, Include Me. The authors found significant challenges to authentic consumer voice in terms of reliable information, complex, inflexible service provision, and a trusted and skilled carer workforce.
Conclusion: Authentic consumer choice requires collaboratively designed care plans with consumers, integrating their care-related preferences and values. Providers who have embraced CDC principles, and innovative practices have enhanced person-centred care, and consumer experience and autonomy. Cultivating inclusive, transparent, and collaborative environments to empower older Australians to shape and control their care provision and wellbeing is a key challenge for providers.
The relationship between the circumferential velocity and energy losses in the flow part of the inflow turbine with partial blading of the runner
Authors: Kriukov Aleksei Alekseevich
Published: May 2024

Low-consumption turbomachines are devices that play an important role in the drive of various units in the field of shipbuilding, aircraft engineering and other branches of heavy engineering. They have some advantages over a high-average power turbine. The largest number of low-consumption turbomachines are made partial, i.e. with partial intake. The principle of a turbine with partial flapping of the impeller is considered as one of the types of partial turbomachines. The influence of the main velocity characteristic of the turbine stage on the loss of kinetic energy in the stage is investigated. The simulation of gas dynamic processes occurring in the turbine stage was carried out using the ANSYS Workbench software package. With the help of this complex, a three-dimensional geometric model of the turbine stage with varying degrees of impeller damping was created. By applying the finite element method, a computational grid, a computational model are generated, and boundary conditions of a numerical experiment are set. The result of the numerical experiment is graphs of the dependence of kinetic energy loss on the circumferential velocity (speed characteristics of the turbine stage). This dependence can be represented not only graphically, but also with the help of mathematical apparatus. An example of such an apparatus is the polynomial dependence. The considered mathematical design can be used in order to optimize mathematical models of gas flow in the flow part of a low-flow turbine. Cubic two-parameter polynomials of kinetic energy losses in the flow part of the nozzle and impeller are obtained, and an assessment of its applicability in the current mathematical model is given.
Queerificación y gentrificación en el barrio Santa María la Ribera, Ciudad de México
Authors: Islas Vela David Román , Hernández Cordero Adrián
Published: May 2024

La gentrificación es un proceso de revitalización, elitización y blanqueamiento de algunos barrios en las ciudades. En este fenómeno urbano las contrasexualidades han encontrado una oportunidad —mediante la capacidad de gasto y el consumo— para habitarlos y constituir otros lugares de enunciación. De esta manera, la presencia de las contrasexualidades en barrios gentrificados inicia un proceso de queerificación, es decir, se asimilan y se integran estilos de vida, familias e identidades lgbtiq+ que terminan por cuestionar y abrir grietas en el sistema cisheteropatriarcal que por mucho tiempo han imperado. En este contexto, se analiza el punto de conexión entre queerificación y gentrificación en el barrio Santa María la Ribera en Ciudad de México. Para ello se apuntan las prácticas del consumo de espacios que ofertan alimentos, bebidas, cultura, arte y militancia. La impronta está colocada en el consumo cultural lgbtiq+ como el dinamizador de cuerpos y habitares que incentivan el proceso de gentrificación y al mismo tiempo la deconstrucción del heteropatriarcado.
The influence of monosodium glutamate dosage on the yield of long beans (Vigna sinensis L.) Peleton variety
Authors: Cornelia Sine Heny Mathelda , Sudarma I. Komang , Lehar Laurensius
Published: May 2024

This study aims to determine the effects of monosodium glutamate (MSG) dosage on the yield of long beans (Vigna sinensis L.) of the Peleton variety. The use of MSG as a food ingredient has been a topic of debate, but research on its impact on plant growth is still limited, especially regarding long beans. Therefore, this research is important for providing further understanding of the influence of MSG on long beans plants. The study was conducted from July to October 2023 in Mata Air Village, Central Kupang District, Kupang Regency, East Nusa Tenggara Province. The research method used was a Randomized Complete Block Design (RCBD) with 9 treatments and 3 replications. The treatments included: No MSG, MSG at doses of 2.5 g/plant, 5 g/plant, 7.5 g/plant, 10 g/plant, 12.5 g/plant, 15 g/plant, 17.5 g/plant, and 20 g/plant. Parameters observed included flowering age (days), number of pods (pieces), pod length (cm), and pod weight (g). Based on the results and discussion, it can be concluded that MSG application had a significant effect on the number, length, and weight of pods, but had a non-significant effect on flowering age. The treatment of 15 g/plant was identified as the optimal MSG dosage for the plants, resulting in the highest number of pods (16.2), longest pod length (60.4 cm), and highest pod weight (256.4 g/plant). This research is innovative in exploring the potential use of monosodium glutamate (MSG) on long beans plants, particularly the Peleton variety. The focus on MSG application as a growth stimulant is an innovative step that has been less studied previously. The discovery of the optimal MSG dosage (15 g/plant) for achieving the best results provides valuable information for farmers to enhance productivity efficiently, sustainably, and environmentally friendly. Information about MSG’s potential as a plant stimulant can serve as a starting point for more sustainable agricultural strategies aimed at optimizing available resources.
The adoption of foreign case law by the Greek courts and the emergence of the Existenzminimum doctrine by numbers - Between constitutional interpretation and legitimacy
Authors: Christoforidou Styliani Stella
Published: May 2024

The study is divided in two major parts. First, a presentation of the history of the Greek legal order and the organization of the judicial system with a focus on the judicial system of control of constitutionality highlights the legal culture regarding the use of foreign precedents in constitutional cases, describes the complexities regarding the exercise of control of constitutionality, and justifies the reasons that the constitutional case law of the Council of State (CoS) is selected for quantitative measurement. Second, the study analyses from a quantitative and qualitative perspective the results of the measurement of the number of explicit citations in foreign precedents in the constitutional cases of the CoS. It is worth noting that the majority of the citations in German case law refer to the case law of the Existenzminimum, a finding that is being approached from a qualitative perspective too.
A multicultural environment – A major development and integration factor
Authors: Barka Panajot
Published: May 2024

Historical evidence highlights that regions characterized by the convergence and cohabitation of diverse cultures serve as primary drivers of development. Nowadays, the southern region of Albania stands as a vivid and enduring example of this phenomenon throughout history. Arguments that speak of integrative and at the same time differentiating processes in terms of cultural and ethnic identity include mythology and historical milestones such as Dodona, Pyrrhus of Epirus and Alexander the Great, to figures like Ali Pasha Tepelena and cultural hub of Voskopoja. Historically analysing, the establishment of the peace institutions and good understanding such as Bektashism, the ideology of national renaissance movement, are examples of differentiating analogy of the multicultural reality. The communist regime in Albania, the geographical isolation, the physical and cultural infliction resulting in the loss of contacts and communication with the world, the climate of ethnocentrism and the consequences in the way of judging and assessing oneself in relation to others and the opening of the country and mass emigration are other historical aspects. In this sense, main objective of this manuscript is the analysis of the positive and negative consequences with assimilative influence and the opposite:- juxtaposition to strengthen ethnocentrism.
Cryptocurrencies and Money Laundering
Authors: Subashi Roland
Published: May 2024

Financial transactions involving cryptocurrencies have seen significant growth in recent years. Individuals and companies are using cryptocurrencies as a medium of exchange. This unstoppable process has brought opportunities for the cost-effective performance of financial transactions, but at the same time challenges for law enforcement institutions. A significant portion of cryptocurrency transactions are conducted outside the conventional banking financial system. Such transactions are difficult for law enforcement authorities to trace. There is a high possibility that cryptocurrencies will be used by money launderers to hide their identity and launder their proceeds of crime. Offshore Financial Centers, which apply a high degree of anonymity, are widely using cryptocurrencies. Countries and international institutions should take coordinated action to tackle money laundering in the field of virtual currencies as it is very difficult for one country, alone, to fight the phenomenon of money laundering in the world of cryptocurrencies. The study focuses on the difficulties faced by financial institutions and law enforcement authorities in tracking cryptocurrency transactions in the context of prevention of money laundering, seen from the Albanian perspective.
Change of dosing paradigm in oncology
Authors: Papakatsika Sophia , Orfanidou Myrsini , Rentzeperi Elpiniki , Emmanouilides Christos
Published: May 2024

Drug dosing based on the body surface area (BSA) has been the mainstay of oncological treatment over the last decades. Although this seems to be an adequate measure of an individual’s appropriate dose for traditional chemotherapeutic drugs according to their somatometric data, it is currently being questioned due to the delivery of novel treatments such as monoclonal antibodies. Most modern regimes require either a flat (fixed)-dosing model, independent of body weight, or a weight-based administration pattern, mainly depending on specific pharmacokinetic data. However, even in this case, some controversy exists about whether this model is sufficient. Given the recent findings from pharmacokinetic studies, perhaps we should reconsider the solid hypothesis that drug efficacy correlates with dose, as many molecules seem to be efficient even in the lowest doses administered, with minimum toxicity.
Graphical Interface for Electrical Dimensioning of an On-Grid Photovoltaic System
Authors: Alexa M. , Ţăranu N. , Hudişteanu S.V. , Cherecheş N.C. , Ţurcanu Fl.E. , Ancaş Diana , Verdeş Marina , Popovici C.G. , Ciocan V. , Hudişteanu Iuliana
Published: May 2024

Energy is an essential element in the development of mankind and is the engine that has made possible all the discoveries and innovations of recent decades. It is found behind the comfort we have in everyday life, whether at home, at the office, or when traveling: an optimal temperature in the room, light at anytime, appliances to ease us and make our lives more beautiful. An energy system based on renewable energy has the ability to provide electricity in an economical, sustainable, long-term, non-polluting way and can serve the increasing population. One such example is represented by photovoltaic (PV) panels, which produces electricity from captured solar energy and is one of the solutions considered for reducing energy. The dimensioning of a photovoltaic system, from a technical and economic efficiency point of view, involves the analysis of input data, output data and hence the characteristics of an efficient system. The analysis can be done analytically, but also with the help of dedicated software, the result being, in the end, a safe system in terms of preventive operation and maintenance. In the article was made the dimensioning of a system, analytical and automatic – using software application – to determine if the result obtained – the photovoltaic system – is the same regardless of the method used.
Coupled Thermo Mechanical of Wasteglass Powder Reinforced Concrete Beam Subjected to Fire Loads
Authors: Boulifa Dj. , Ghouilem K. , Merakeb S.
Published: May 2024

Waste Glass Powder (WGP) could be used as a cement replacement additive to manufacture concrete and solving the problem of environmental pollution. This article presents a numerical modeling of the thermo-mechanical behavior of a reinforced concrete beam based on an addition of 20% of the powder glass as a substitute for cement powder with modeling of concrete-steel contact using ANSYS software. To do this, a reinforced concrete beam based on glass powder is modeling in three dimensions by the finite element method (FEM) and it is subject to thermal loading during 2 hours in order to simulate the thermo thermo-mechanical response of the beam element. ANSYS provides a three-dimensional element (SOLID65) with the nonlinear model of brittle materials similar to the concrete materials. The element features a smeared crack analogy for cracking in tension zones and a plasticity algorithm to take into account the concrete crushing in compression zones.
Parametric Analysis for a Low-Volume Concrete Road with Reinforced Subgrade Subjected to Swelling Pressure
Authors: Chavan Ashwini , Bhosale S.
Published: May 2024

This paper presents the parametric analysis of a combined system of a low-volume concrete pavement, base layer and reinforced expansive soil, subjected to the stresses due to wheel loading and swelling of the soil. A soil-structure Interaction model is considered for the analysis, in which the pavement and the reinforcement are idealized as a finite beam, with plane-strain conditions, whereas a base layer and the expansive soil are modelled as Winkler Springs of different stiffnesses. During the analysis, it was taken into account that the geosynthetic reinforcement, which could be in the form of a geogrid, geocell, or a combination of both, possesses bending stiffness and is placed at the interface between the base layer and the expansive subgrade. The reinforcement layer is subjected to stresses due to wheel load, self-weight of pavement slab and surcharge load of the base layer at the top and the swelling pressure from the subgrade at its bottom. The governing differential equations for the flexural response of the model are derived and a closed-form solution is presented in a non-dimensional form. The outcomes of the parametric analysis highlight that the flexural response of the pavement is predominantly affected by the relative stiffness of the base layer and the expansive subgrade. In contrast, the relative flexural rigidity of the upper and lower beams has a comparatively minor impact on the model’s response. Additionally, parameters like the depth of placement of the lower beam, unit weight of the upper soil layer, and the self-weight of the upper beam also contribute to influencing the response of the pavement model. The study suggests that, while designing for the concrete pavement, opting for an increase in the modulus of subgrade of expansive soil may be a preferable choice over reinforcing the foundation of the pavement.
Numerical Simulation of Improving the Efficienty of Photovoltaic Thermal Panels
Authors: Popovici C.-G. , Filipescu G. , Cherecheș N.-C. , Hudișteanu S.-V. , Țurcanu E.-F. , Ancas Ana Diana , Verdeș Marina , Roșu P. V.
Published: May 2024

The need to optimize the operation of photovoltaic modules inevitably arises with the development of green energy production technology. In order to achieve a good technological yield, durability and efficiency in production, continuous studies and innovations are required. This study focuses on simulating the operation of water-cooled and uncooled PV modules in order to understand the temperature-dependent PV operation. This cooling module consists, in the first phase, of a copper coil through which water circulates, and in the second phase, of a coolant distributor/collector system. The module is attached to the lower surface of the photovoltaic panel, respectively to the teller foil layer. For this simulation we used the Ansys software package (Discovery, Fluent and Space Claim).
Modern Theoretical and Practical Protection Methods of Metallic Structures Against the Effects of Corrosion
Authors: Ionescu Gh.C. , Ionescu G.L. , Marin Liana
Published: May 2024

The problems of corrosion and anti-corrosion protection are currently an important area for preventing economic losses and combating environmental pollution. Corrosion-related problems are present in all economic fields, including machine construction, shipbuilding and port construction, chemistry and petrochemicals, metallurgy, water and gas supply systems, energy production systems, transports, etc. Corrosion is a complex process that depends on many factors, related to the variety of technical metal materials and technological environments. This paper can be considered a mini-review that contains some general theoretical aspects related to the corrosion of metals and some case studies from the specialized literature of the last five years, in the field of various technical and industrial constructions based on metal structures.
An Experimental Study on Portland Pozzolana Cement Mixed with Natural Hydrocolloids
Authors: Naresh Kumar B. , Anbalagan C.
Published: May 2024

To make a structure sturdier, the construction materials must be of higher quality. To enhance the structural qualities of fresh concrete, or improve the properties of hardened concrete, additives are added to concrete during the mixing process. To offset the high cost of chemically improving concrete, cost-effective substitutes are needed. Three hydrocolloids found in nature, namely Gum Arabic, Gum guar, and Tamarind kernel powder, have been investigated as potential concrete additives, within a range of 0.25 percent to 1.25 percent in increments, depending on the amount of cement used. The findings of the compressive strength test reveal a progressive improvement following the addition of natural hydrocolloids. Concrete strength reaches its peak at 0.75% of Gum Arabic, 0.50% of Gum guar, and 1% of Tamarind kernel powder. It is found that these hydrocolloids, when combined with concrete, improve its strength. Therefore, they may be used in the percentages specified in this study to control this effect. As an additional benefit, utilizing these hydrocolloids to improve concrete strength eliminates the need for biowaste disposal.
The Importance of Ground Control Points In A Photogrammetric Workflow
Authors: Pârvu Iuliana Maria , Picu Iuliana Adriana Cuibac , Spiroiu Ileana
Published: May 2024

This study investigates the optimal distribution and pattern of ground control points (GCPs) in aerial photogrammetric projects. Aerial triangulation (AT), also known as bundle adjustment, is the fundamental step in refining 3D reconstruction models and camera positions, thereby minimizing reprojection errors. The study utilizes data from a national project in Romania, employing high-resolution aerial images acquisition using photogrammetric sensors. The project has rigorous requirements of ground control points (GCP) placement and field measurements using GNSS and geometric leveling techniques. The study employs various scenarios, manipulating the number and distribution of GCPs, to assess their influence on planimetric and altimetric accuracy. Results indicate that the configuration and number of GCPs significantly affect the accuracy of photogrammetric products, such as dense image point clouds, digital surface models, and orthophotos. Moreover, the study underscores the importance of precise GCP determination methods, especially in regions lacking a precise gravimetric geoid model. In scenarios with inadequate GCP coverage the outcomes have inferior quality, emphasizing the critical role of GCPs in ensuring the quality of photogrammetric products. Overall, the research gives a clear view on the best placement patterns of GCPs and their influence on AT process evaluation performed in check points (CHKs).
Analyzing Rinex Data Files Using the Python Programming Language
Authors: Bălă Alina Corina , Drăgulescu B.C. , Brebu Floarea-Maria
Published: May 2024

The techniques and tools developed for geodetic determinations have made it possible, over the past half century, to carry out measurements using global navigation satellite systems. As the accuracy and precision of positioning solutions, such as Fast Static and RTK, improve through technological advances, more applications will become available that can provide users with positioning information over time, autonomously verify the integrity of transmitted data, and ensure sufficient accuracy for their intended purposes. In our study for the interpretation, analysis, and visualization of raw and/or processed RINEX GNSS data recorded over time at a geodetic point using the information available from the Fast Static technique, we used the GeoRinex library from the Python programming language. This library converts data to xarray.data set, for easy use in processing parameter sets, from Rinex files: of ROMPOS reference stations and of the new B10 point resulting from measurements using the Fast Static technique: pseudorange (C1, C2, P1, P2....), carrier phase (L1, L2,…), doppler (D1, D2....) and signal strength (S1, S2....). All this information will help us to analyse and interpret the degradation of the parameters associated with Rinex version 2.11 epoch positioning files 12.02.2023, time interval 12:00-14:00 (fast static) and to understand their accuracy and behavior in different environments. Based on this study, our aim was to evaluate the error in determining the positioning accuracy of the B10 point located in a crowded and heavily trafficked area, which allows sufficient coverage of the GNSS satellites.
Achieving Sustainable Quality Education Targets: a Case Study in East Java, Indonesia
Authors: Muhartono Djoko Siswanto
Published: May 2024

Objectives: This article aims to analyze the implementation of education policies designed to introduce quality education and identify barriers at the local level. The study focuses on an elementary school in Probolinggo City, East Java Province, Indonesia, to understand how these policies are being executed and the challenges faced.   Methods: Interviews were conducted with various stakeholders, including school representatives, education office officials, and local government authorities. The study utilizes two types of data: primary data collected through interviews and secondary data from existing records and reports.   Results: The findings reveal that the implementation of quality education policies at the primary school level is suboptimal in achieving the Sustainable Development Goals (SDGs) targets. This inadequacy is primarily due to weak coordination between education offices and schools. The study highlights that this poor coordination affects the ability to achieve inclusive and equitable quality education and support lifelong learning opportunities for all.   Conclusion: The study concludes that the weak working relationship between schools and education offices significantly impacts the sensitivity of education office policies to school needs, thereby hindering the achievement of SDGs at the local level. The results emphasize the need for improved coordination and communication to ensure effective policy implementation. This study contributes to the development of policy implementation theory by providing insights into the sustainable strengthening of educational development strategies and expands theoretical and practical knowledge on local government policy implementation in the context of quality school education in Indonesia under the SDGs framework.
Prevalence of Career Indecision and Factors Influencing it among Medical Students and Interns in Oman
Authors: Ajmi Ali , Kharusi Fatma , Khamisi Aisha
Published: May 2024

Aim and objectives: Career indecision (CI) is a broad term refers to the uncertainty and difficulty of decision- making of the future career among junior professionals. This study aims primarily to estimate the prevalence of CI among senior medical students and medical interns in Oman. Secondly, it assesses the association of socio-demographics factors influencing it. Finally, it examines the association between participation in career development activities and CI among them during the academic year of 2022-2023.
Methods: A cross-sectional study was conducted using anonymous self-administered questionnaire in English language. We used a 21-item Career Factors Inventory (CFI) to determine CI score. CI scores were further classified to low-level CI (score 27-71) and high-level CI (score 72-105). Results: Total number of participants was 161. The minimum sample size calculated was 153 participants for 95% confidence interval. Unpaired t test and ANOVA test were used to determine association. The results showed the prevalence of high-level CI is 63.4% (95% CI 55.4% - 70.8%) among the participants. Participants with one of their parents in healthcare professions and those who did not participate in career development activities have high CI scores with P-value 0.002 and 0.022 respectively. Moreover, participants younger than 25 years of age in comparison to older participants had higher Need for Self-Knowledge (NSK) scores (p-value 0.018).
Conclusion: Study participants showed high prevalence of high-level CI among senior medical students and medical interns in Oman. Few factors were found to be statistically associated, especially participation in career development activities. Further studies are recommended to investigate the causality of high CI levels among junior professionals in Oman and the contributing factors. Curricular and extra-curricular career development activities and counselling may improve CI and reduce its burden.
Improvised Femoral Nerve Block Model Using Everyday Items: An Affordable Alternative for Medical Training
Authors: Haris Aysha , Ahmed Wasim , Joseph Martin , Ahmed Tasnim
Published: May 2024

Background :
Nerve blocks have emerged as a revolutionary approach for managing pain and reducing opioid dependence among patients. Performing nerve blocks under ultrasound guidance in the emergency department (ED) is considered an effective and minimally invasive procedure that can be performed by adequately trained ED physicians. However, the cost associated with commercially available nerve block models poses a significant challenge to widespread adoption and training. To address this issue, our research team developed an improvised femoral nerve block model using readily available everyday items.
Methods :
The prototype femoral nerve block model was constructed using chicken breasts as a simulated anatomical structure, balloons and spaghetti as tactile representations of vessels and nerves, gel as an acoustic interface, and cling wrap for creating a sterile environment.
Results :
To perform ultrasound-guided nerve blocks, it is necessary to see the fascial plane division clearly while injecting the anesthetic. This clarity was accomplished by using two layers of chicken breasts, each wrapped individually in cling wrap. Additionally, it is crucial to visualize and differentiate the nerve, artery, and vein. This was achieved by filling the balloon with different substances that served as distinct markers for each vessel.
Preliminary results demonstrated that the improvised femoral nerve block model effectively simulated the anatomical and tactile characteristics necessary for nerve block training.
Conclusion:
In conclusion, our low-fidelity femoral nerve block model offers an affordable and accessible option for training healthcare professionals in ultrasound-guided nerve blocks. By utilizing everyday items, we have demonstrated that cost-effective alternatives can be developed to address the financial constraints associated with conventional training models. Further research is warranted to refine and validate this improvised model and explore its potential applications in various medical specialties.