bluuebunny/crossref_metadata_2025 huggingface dataset:
THE INTEGRATION OF PANEUROPEAN THEATRIC TRADITIONS OF THE BAROQUE EPOCH INTO THE HISTORICAL DRAMA OF THE LUMINARIES
Authors:   Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Slipushko O. M. , Katyuzhynska A. O. ,   Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
Published: February 2024

The article represents the study of the peculiarities of the integration of PanEuropean theatrical traditions of the Baroque epoch into the historical drama by Ukrainian coryphees. Particular attention is paid to the study of the specifics of the creation of baroque drama of the XVIII century and its influence on the formation of the dramatic tradition of the Coryphées. The main European tendencies represented in historical baroque dramas are singled out. It is proved, that succession is manifested primarily at the level of national identity. The historical dramas of F. Prokopovych “Volodymyr”, the anonymous author “God’s Grace” and M. Starytsky “Bogdan Khmelnytsky”, I. Karpenko-Kary “Sava Chaly” in the comparative aspect are analyzed. Common and different features in the interpretive models of the central images of statesmen are clarified. Actually, F. Prokopovich has developed his own theory of drama with a division into five acts. It was found out, that such a structure is also characteristic of the works of I. Karpenko-Kary “Sava Chaly” and M. Starytsky “Bogdan Khmelnytsky”, which testifies to the preservation of the baroque dramatic tradition. At the same time, the Coryphées have significantly deepened the compositional structure of the drama, adding new elements. The works of the anonymous author “God’s Grace” and M. Starytsky “Bogdan Khmelnytsky” have the genre of historical drama, the central image of hetman B. Khmelnytsky. However, in the historical drama of M. Starytsky “Bohdan Khmelnytsky” the interpretative model of the image of the statesman is significantly expanded, in particular, the psychological aspect of the figure of the hetman is deepened. At the same time, the idea of messianism, especially the interpretation of the National Liberation War as the highest level of self-sacrifice, is common in the interpretation of the image of B. Khmelnytsky by the anonymous author and M. Starytsky. Pan-European traditions of Ukrainian baroque drama of the XVIII century has become one of the sources for the formation of the original professional Theater of luminaries, in particular historical dramas.
Overview of clinical and laboratory evaluation results of the effectiveness of digital methods for knowledge-based fabrication of complete removable acrylic dentures
Authors: Verkhovskiy Andrey E. , Apresyan Samvel V. , Stepanov Aleksandr G.
Published: February 2024

This article provides an overview of the conceptual studies of modern digital technologies for the fabrication of complete removable acrylic dentures. Analysis of data of subtractive and additive methods of digital manufacturing shows the advantages of digital CAD/CAM methods over traditional methods. The use of known prepolymerized acrylic blocks in the subtractive milling method has enabled achieving high physical and mechanical properties, optimal spatial accuracy, and minimal thickness of the fabricated dentures. Moreover, residual monomer volume reduction in solid polymer blocks has allowed the high biological inertness and safety of the fabricated structures for prosthetic bed tissues and the patient’s body. Layer-by-layer printing of removable dentures by fused polymer deposition modeling technology results in high spatial accuracy of constructing structures of any degree of complexity and reduced total production time of removable dentures.
Despite the intensity of implementation of digital CAD/CAM technologies in the practice of complete removable denture manufacturing, the search for alternative methods of modernization of the known traditional means and methods continues. However, we believe that automation and digitalization of the clinical and laboratory manufacturing of complete removable acrylic dentures has clear prospects for the total replacement of compression pressing and hot polymerization techniques of acrylates. In summary, the potential prospect in the future is a global reassessment of traditional concepts for the fabrication of complete removable dentures, considering the formation of an innovative digital CAD/CAM philosophy and the introduction of computer intelligent systems.
Influence of the volume of surgical intervention on the severity of pain in patients after orthognathic surgery
Authors: Galazov Atsamaz T. , Drobyshev Alexey Yu. , Redko Nikolay A. , Klipa Igor A. , Mikhailyukov Vladimir M. , Sviridov Evgeniy G. , Azieva Tamara R. , Drobysheva Nailya S.
Published: February 2024

BACKGROUND: The treatment of patients with jaw abnormalities involves orthognathic surgery, a consequence of which is postoperative pain. Considerable research is allocated to the study of pain and its management because pain affects the comfort of patients during rehabilitation. Currently, the factors that are responsible for the severity of postoperative pain syndrome remains debatable. Additionally, before surgical treatment, patients are concerned about the intensity of postoperative pain and its relationship with the extent of surgery. Owing to existing disagreements, primarily regarding the relationship between the volume of surgical intervention and the intensity of pain, conducting this study is critical.
AIM: To identify factors that directly influence postoperative pain experienced by patients.
MATERIALS AND METHODS: Pain intensity in patients on day 2 following orthognathic surgery was measured using visual analog scale (VAS).
RESULTS: During the study, patients after orthognathic surgery were divided into groups based on the extent of surgery, sex, age, and duration of surgery to compare their VAS pain intensity scores. No significant difference was found in the average VAS scores of patients’ pain intensity (p 0.05) between the groups.
CONCLUSION: The volume and duration of orthognathic surgery, age, and sex of the patients did not affect the intensity of pain.
Evaluation of clinical effectiveness of hygiene products for the care of facial prostheses
Authors: Igumnov Alexander  I. , Apresyan Samvel  V. , Stepanov Alexander  G. , Kharazyan Artavazd  E. , Grigoryants Leon  S. , Suonio Valeria  K. , Zrazhevskaya Anastasia  P.
Published: February 2024

BACKGROUND: Because of the porous structure of the structural material used in the production of facial prostheses, without careful hygienic care, microbial biofilms may form on the material surface, its color and shape may change, and premature aging may occur. Means for the hygienic care of facial prostheses and research to confirm their clinical effectiveness are crucial in dentistry.
AIM: To increase the effectiveness of the hygienic treatment of facial epitheses.
METHODS: A single-center randomized study was conducted to assess the clinical effectiveness of hygiene products for the care of facial prostheses. This study involved patients with exenteration of the eye socket, previously prosthetic with adhesive fixation epitheses. The patients were divided into four groups and received different hygienic care methods. Furthermore, during the use of the prosthesis for 14 days and 1 and 3 months, the tissues of the prosthetic bed and hygienic condition of the prosthesis were evaluated, and the quality of life of patients was determined.
RESULTS: According to the results of measuring the area of inflammation of tissues of the prosthetic bed of the eye socket at different terms, positive dynamics were found in the groups that used the proposed hygiene products.
CONCLUSION: A strong positive correlation (r 0.9) of the average values of the quality of life index, area of inflammation, and hygiene index of the orbital epitheses in the study groups at the appropriate time indicates improved quality of life of patients who used the proposed hygiene products by reducing the amount of bacterial plaque on the surface of the epithesis and, in turn, reducing the area of inflammatory reactions and increasing comfort in wearing the prosthesis.
Current views on treatment of halitosis: foreign practice
Authors: Donskaya Olga S. , Berdnikova Ekaterina I. , Osipova Vera A. , Markvashev Taras M.
Published: February 2024

Traditional halitosis treatment involves reducing microbial contamination through chemical and/or mechanical action; however, these methods are ineffective in the long-term.
According to recent systematic reviews, there is no scientific evidence of the effectiveness of halitosis treatments, and even when reports indicate a positive effect, it is temporary. To increase the number of studies being compared, analysis of the results of randomized controlled trials (RCTs) should be performed considering already published data. Therefore, a review of recent RCTs is required for conducting and planning further scientific research on halitosis treatment.
Purpose of the investigation — to study the effectiveness of oral halitosis treatment based on materials from foreign publications from 2019 to 2023.
This article provides a descriptive review of foreign scientific publications on modern methods of treating oral halitosis. A search for full-text articles was conducted in the electronic databases PubMed and Google Scholar for 2019–2023. The most relevant articles that met the selection criteria were selected and included in this review: 31 publications on oral halitosis treatment: 3 Cochrane reviews of RCTs; 14 literature reviews, including meta-analyses; 12 RCTs and clinical studies; and 2 experimental studies.
In foreign studies, the use of probiotics and photodynamic therapy and their combination with standard treatment methods are most widely presented; RCTs have established their effectiveness, especially when used together with traditional methods of mechanical tongue cleaning. To prevent halitosis, it appears relevant to use materials with antibacterial properties in prosthetics, particularly the modification of polymethyl methacrylate with silver and graphene nanoparticles.
However, against the backdrop of positive results obtained in individual reviews, the conclusions of systematic reviews are contradictory. There is no evidence of the long-term effectiveness of the proposed treatment methods, and there is a weak evidence base for studies, which makes it challenging to use them in the practical work of dentists. In this regard, new RCTs with a longer observation period and considering published data are required.
Security Matters: Safeguarding Java Applications in an Era of Increasing Cyber Threats
Authors: Surarapu Pavani
Published: February 2024

This article addresses the imperative of securing Java applications amidst the rising tide of cyber threats. The study aims to elucidate Java security fundamentals, identify common vulnerabilities, and explore advanced security measures. With a focus on establishing a robust foundation, the research underscores the significance of secure coding practices, authentication mechanisms, and continual updates. The study bridges existing research gaps by delving into advanced strategies, including behavioral analysis, continuous security testing, and container security. Methodologically, the research relies on a comprehensive literature review, analysis of real-world case studies, and synthesis of industry best practices. The major findings highlight the critical importance of proactive security measures, encompassing user input validation, API security, and end-to-end encryption. This study contributes a holistic guide for Java developers, fostering a resilient security posture in an era of evolving cyber threats.
The Effect of Online Shopping Logistics Service Quality on Customer Satisfaction in China
Authors:   Korean Academy Of International Commerce, Inc., Bai Xue , Lee Jong-Jun , Park Keun Sik
Published: February 2024

Purpose: This study identifies factors in the characteristics of online shopping logistics services from prior studies, and analyzes the impact of these factors on customer service.
Research design, data, and methodology: For this research, a questionnaire from the perspective of consumers was designed. By analyzing the existing literature, this study proposes five dimensions (service convenience, service reliability, service guarantees, price rationality, and service attitudes), constructing a research model with customer satisfaction as the dependent variable. Reliability analysis, exploratory factor analysis, and multiple regression analysis were applied to the data.
Results: The analysis confirms that the five dimensions of logistics service quality all correlated positively with customer satisfaction.
Conclusions: This research provides models and solutions that logistics enterprises can use to improve service quality, and provides strategic significance for scientifically and effectively improving logistics services.
The Effect of Self-leadership on SCM Performance of Logistics Workers: Service Orientation and Organizational Fairness
Authors:   Korean Academy Of International Commerce, Inc., Choi Dong-hyun , Yoo Byung-cheol
Published: February 2024

Purpose: The relationships among self-leadership, service orientation, organizational fairness, and SCM performance are investigated by conducting a study with workers at domestic logistics companies.
Research design, data, and methodology: This research analyzes the relationships among the above variables based on 170 pieces of data. Validity was tested with confirmatory factor analysis, Path analysis of the hypothesis confirmed there is no problem with model fit because the criteria were met or similar values were shown.
Results: The main results of this study show the importance of improving self-leadership in research focusing on service orientation and organizational fairness in SCM performance for logistics company workers.
Conclusions: This study provides academic and practical implications by examining the effects of workers' SCM performance, self-leadership and service orientation, organizational fairness, and their effects on each other through empirical analysis focusing on the logistics industry. Service orientation and organizational fairness should be increased to improve SCM performance, and self-leadership of organizational members has a positive effect on service orientation and organizational fairness for logistics workers.
Directions of the Transportation and Logistics Infrastructure between North and South Korea
Authors:   Korean Academy Of International Commerce, Inc., Woo Jung-wouk
Published: February 2024

Purpose: This paper examines the directions of effective inter-Korean transportation infrastructure cooperation in terms of securing mutual benefits, such as North Korea's economic development and inter-Korean economic cooperation, avoiding unilateral support from South Korea.
Research design, data, and methodology: The examination is based on a qualitative research methodology through a literature review.
Results: Future inter-Korean transportation infrastructure cooperation should be supported through international cooperation and multilateral projects that transcend the differences between North and South Korea in their regimes and economic conditions. Considerations must include regional arrangements, such as industrial, production, and regional development in North Korea, and links with economic development zones; alignment with South Korea's transportation and logistics policy on the Korean Peninsula; and maintenance of ports, railways, and roads, taking into account the topographical characteristics of North Korea and the role required for each stage of development for North Korean industry.
Conclusions: Unilateral cooperation between North and South Korea based on traditional nationalism has reached its limits. It is time for North and South Korea to focus on internal integration to secure mutual benefits while exploring and implementing ways to attract external support and cooperation from the international community.
The Effects of ESG Activity on Corporate Image and Consumer Responses
Authors:   Korean Academy Of International Commerce, Inc., Kang Sang-Muk
Published: February 2024

Purpose: This study surveys consumers with experience using airlines in order to explore 1) the relationships among Environmental, Social, and Governance (ESG) activity, corporate image, and consumer response; 2) the relationship between corporate image and consumer response; and 3) the mediating effect of corporate image.
Research design, data, and methodology: From online questionnaires answered by consumers with experience using airlines, 391 valid samples were obtained for analysis. Simple and multiple empirical hierarchical regression analyses were conducted.
Results: First, ESG activity has a positive effect on corporate image and consumer response. Second, corporate image has a positive effect on consumer response. Third, there is a mediating effect from corporate image on ESG activity and consumer response.
Conclusions: Research i ndicates t hat c ompanies' E SG m anagement a ctivities i nfluence consumer responses. This can contribute to raising awareness about their significance, and the necessity for companies to actively participate in ESG activities in the future. Currently, ESG activities are viewed as effective management strategies that can positively impact both consumers and investors, fostering long-term growth.
The Zoom Boom: Assessing Videoconferencing Attitudes among College Students
Authors:   Department of technological education, Faculty of Arts and Educational Sciences, Palestine Technical University Kadoorie (PTUK), Tulkarem, Palestine, Salhab Reham A.
Published: February 2024

This study examines the attitudes of college students enrolled with different specialties from two colleges, Applied Sciences and Arts and Educational Sciences at Palestine Technical University Kadoorie (PTUK), regarding their utilization of the Zoom platform. There is a strong need for this research to be carried out. Assessing students’ attitudes will help to improve students’ engagement and interaction while using Zoom. Additionally, this study will bridge the gap in this specific context. The investigation specifically focuses on certain demographic variables, namely gender, technical proficiency, Grade Point Average (GPA), and college affiliation. A quantitative research method was conducted with a total of 321 students from two different colleges were randomly selected. A questionnaire was designed to assess the attitudes based on the literature review. Findings indicate that college students exhibit favorable attitudes towards Zoom, perceiving it as user-friendly, flexible platform. Nonetheless, the study also reveals a stronger inclination towards traditional teaching because of concerns about assessment equity and privacy issues. The implications of these findings are valuable for educators. Results will help them to adapt their teaching methods to better align with students’ preferences.
Korean in-Service Teachers’ Perceptions of Implementing Artificial Intelligence (AI) Education for Teaching in Schools and Their AI Teacher Training Programs
Authors:   Department of Education, Chonnam National University, Gwangju City, South Korea, Davis Robert O.
Published: February 2024

Previous studies have mostly focused on Artificial Intelligence (AI) education from students’ perspectives. However, it is necessary to understand teachers’ perceptions of AI convergence education because they are essential personnel for K-12 education. To fill the gap in the literature, this study aims to understand in-service teachers’ perceptions regarding AI education for teaching in schools and their AI teacher training programs. Data collection included an online survey (n = 20) and a focus group interview (n = 4). The survey investigated teachers’ perceptions of AI education for teaching within the educational setting, while the focus-group interview explored teachers’ perceptions of AI teacher training programs. Survey results showed that teachers hold favorable attitudes toward AI education for teaching and future use. The interview findings reveal the advantages and disadvantages of AI teacher training programs. Although most participating teachers expressed satisfaction, there was a notable call for a more practice-oriented curriculum. Specifically, the respondents found that many theory-centric courses failed to offer applicable skills or knowledge for real-world classroom settings. The results from this study have novelty and uniqueness in that understanding teachers’ perspectives of AI convergence education for K-12 is essential for teacher education programs. Thus, this study can provide valuable insights and suggestions to structure teacher professional development more effectively in AI convergence education, particularly within diverse higher educational contexts.
Assessment of quality of life among antenatal women with gestational diabetes mellitus
Authors: Malik Renu , Roy Susha Mary
Published: February 2024

Background:  Pregnancy is challenging for every woman and if it is complicated with conditions like gestational diabetes mellitus (GDM), it may reduce her quality of life (QoL) significantly which increases the potential risks related to the physical and psychological health aspects related to the mother as well as for the baby thus causing a negative impact on her overall health and wellbeing. Hence, it should be given more importance by healthcare professionals.
Methods: The study design adopted to assess the QoL of antenatal women with GDM was a cross-sectional research design.110 antenatal women with GDM attending antenatal OPD at selected hospitals in Bengaluru were chosen using a Non-probability convenient sampling technique. A standardized GDM questionnaire (GDMQ-36) was used to assess QoL and the data analysis was done using descriptive and inferential statistics techniques. The study was conducted from July 2022 to August 2023.
Results: The study results were as follows, 74.5% of antenatal women with GDM had a moderate level of QoL, 25.5% had a high level of QoL and no antenatal women was found to have low level of QoL. 60% of antenatal women had high level of QoL in support domain and 25.5% of the antenatal women had low level of QoL in complications of GDM domains. A significant association was found between QoL and selected socio-demographic variables.
Conclusions: The present Study concluded that the majority of the antenatal women (74.5%), had moderate levels of QoL and a significant association was found between QoL and socio-demographic variables.
Resolution of halitosis following repair of a primary parahiatal diaphragmatic hernia
Authors: Sellars James N. , Green Ryan , Jeyarajan Eshwarshanker
Published: February 2024

Parahiatal diaphragmatic hernias are uncommon and often diagnosed incidentally on imaging, or in the emergency setting. Symptoms related to these defects can be like those of hiatus hernias (HH), however this is not always the case. We present a unique case of parahiatal diaphragmatic hernia that was characterised by severe halitosis which resolved with surgical repair.
Exploring Needs and Impacts of Digital Citizenship Education for Borderline Intellectual Disorder
Authors:   The Korea Association of Yeolin Education, Choi Jee Hae
Published: February 2024

This study aims to conduct digital citizenship education for borderline intellectual disorder and explore its impact and overall necessity. According to these research objectives, 12 sessions of digital citizenship education were conducted for six borderline intelligence individuals attending S Alternative School in Seoul, and its impact was statistically confirmed through the same group pre-post test design. In addition, after the program, in-depth interviews were conducted with research participants to conduct qualitative analysis. As a result of the analysis, the digital citizenship of borderline intelligence was improved through digital citizenship education, and qualitative analysis also confirmed the impact of digital citizenship and the need for digital citizenship education in the future. Based on these results, suggestions were made to activate digital citizenship education for borderline intelligence individuals in the future.
Effects of Peace Picture Book-Making Activities on Young Children’s Empathy Ability, Life-Respect Recognition and Global Citizenship
Authors:   The Korea Association of Yeolin Education, Yang JinHee
Published: February 2024

The purpose of this study was to analyze the effect of peace picture book-making activities on young children’s empathy ability, life-respect recognition, and global citizenship. Five-year-old children from A kindergartens in Chungcheong province participated in the study. The subjects of the study were 41 young children(20 A group, 21 B group). The experimental group (A) participated in 16 peace picture book-making activities. The effectiveness was examined between groups for post-test through t-verification. The results of the study revealed that the peace picture book-making activities had a significant positive effect on young children’s empathy ability, life-respect recognition, and global citizenship. This study is meaningful in that it suggests that various peace education experience programs that can increase young children’s global citizenship should be designed and encouraged.
Development of a Learning Analytics-based Instructional Design Model for Improving Perspective-Taking: Focusing on Social Studies Classes
Authors:   The Korea Association of Yeolin Education, Huh Sun Young
Published: February 2024

This study aims to develop a learning analytics-based instructional design model for enhancing perspective-taking and examines the effect of perspective-taking and learning achievement. To achieve this, a design and development research method was employed, resulting in the development of a model comprising stages of lesson preparation, lesson implementation, and lesson evaluation. Procedures and guidelines necessary for each stage were derived. Subsequently, the model was applied to conduct four sessions of instruction for 53 first-year male students at A middle school. Surveys (cognitive and affective perspective-taking), interviews, and learning achievement test(content knowledge assessments) were conducted. The results indicated a significant improvement in learners' cognitive and affective perspective-taking scores, along with an enhancement in individual achievement. Based on these findings, the study discusses the importance of enhancing perspective-taking, the necessity of learning analytics-based learning support, and the need to avoid excessive learning support.
A Validation Study Via Item Response Theory: Korean Behavior Assessment System for Children 3rd Edition, Teacher Rating Scales-Child Form (K·BASC-3, TRS-C)
Authors:   The Korea Association of Yeolin Education, Baek Sungeun , Ahn Christine Myunghee
Published: February 2024

The purpose of this study was to evaluate the validity of the Korean Behavior Assessment System for Children 3rd Edition, Teacher Rating Scales-Child Form (K·BASC-3, TRS-C). The 156-item K·BASC-3, TRS-C was administered to 318 teachers of children. Equating using common item non-equivalent group designs, a general norm was made for a total of 954. The generalized partial credit model based on item response theory analysis was used to conduct internal validity. Additionally, as a measure of external validity, concurrent validity was tested using the Teacher’s Report Form for Ages 6-18 (TRF 6-18). Results from the analysis indicated that items included in clinical subscale provided appropriate information at the ability levels higher than the mean. Also, the results revealed that the most item difficulty and discrimination were appropriate. The items that yielded less than desirable discrimination scores correspond to those measuring symptoms related to the DSM diagnostic categories or protective and risk factors for childhood emotional/behavioral disorders. The anxiety, hyperactivity, and attention problems subscales of the K·BASC-3, TRS-C demonstrated strong concurrent validity statistics with the related subscales of the TRF 6-18. Other relevant findings, practical implications regarding the use of the K·BASC-3, TRS-C, strengths and weaknesses of the current study and suggestions for future research are included in the discussion.
Programa Maior Cuidado: An Integrated Community-Based Intervention on Care for Older People
Authors: Lloyd-Sherlock Peter , Giacomin Karla Cristina , Carvalho Poliana Fialho de , Sempé Lucas
Published: February 2024

This report presents an overview of a novel community-based intervention for older people living in deprived neighbourhoods in the Brazilian city of Belo Horizonte: Programa Maior Cuidado (PMC). Since 2011 PMC has been jointly run by the municipal Departments of Health and Social Assistance to support dependent older people living in vulnerable families. These families receive up to 20 hours of support a week from professional family care support workers. Health centres and social assistance posts hold joint monthly case reviews and work closely with family care support workers to anticipate and respond to new problems. Between 2011 and December 2022, 3,062 families had received support or were continuing to do so. Drawing on a set of qualitative and quantitative evaluations, we show that PMC operates effectively and appears to generate a range of positive effects. These effects include enhanced health and wellbeing of older people, reducing the stress and burden of family carers and improving the efficiency of outpatient and inpatient health service use. PMC also provides a valuable livelihood opportunity for the caregivers it employs. A cost analysis estimates that the monthly per capita cost of PMC in April 2023 was 916.2 reais (US$173), which is substantially less than alternative interventions. These positive evaluations have led Belo Horizonte municipality to extend the scheme and the Federal Ministry of Health to support similar pilots in new cities. Future evaluations of these pilot schemes will add to the available evidence about PMC and its potential suitability for other parts of Brazil and similar countries.
Efecto de la pendiente del terreno y tuberías terciarias en la uniformidad de riego, bulbo húmedo y rendimiento del cultivo de arveja (Pisum sativum)
Authors: Condori Valverde Edgar
Published: February 2024

The Sierra of Perú region has agricultural soils with pronounced slopes that are not used throughout the year, because there are limitations when applying traditional gravity irrigation that leads to low infiltration speed, soil erosion, runoff formation, leaching, leaching of applied fertilizers and low irrigation efficiency; In that understanding, the objective of the investigation was to evaluate the effect of the slope of land and the arrangement of tertiary pipes on the uniformity of irrigation, wet bulb formation and the crop yield of peas. Three plots were conditioned with slopes of 10%, 20%and 40%; And in each plot three irrigation subunits were installed, inserting 0, 2 and 6 valves in the tertiary pipes, having a total of 09 treatments. The subunits were installed with irrigation tapes of 1.6 l/h of emitter flow at 20cm between drippers and 60cm between sides. The irrigation uniformity coefficient (CU) was determined with the Keller and Karmeli method; Treatment 7 (slope of land 40% + tertiary pipe with 06 valves) presented greater efficiency Cu = 96.30%; valued with an excellent qualifier to irrigation uniformity. All treatments have similarity in the formation of the humid bulb at 45min of irrigation; With a wet soil radius ≥10cm, depth ≥30cm on sandy frank soil. Regarding performance, treatment 3 (slope of land 10% + tertiary pipe with 02 valves) presented 10.75 t/ha.
Implicancias del manejo de una pastura cultivada en secano y la respuesta al abonamiento
Authors: Terroba Nicaela , Flores M. Enrique , Cañazaca Edwin
Published: February 2024

The nutrient use in forages livestock system production high Andean is little used. This study evaluated the response of fertilization on the association of cultivated grasses in dry of Dactilys (Dactylis glomerata var. Potomac) and red clover (Trifolium pratense var quiñequeli). The study area was located at 4350 m of altitude in to the Puna ecoregion in Ayaracra sector, Pasco region of Peru. The experimental design was randomized complete block with factorial 2x3x2; with two levels of nitrogen (0 to 50 kg/ha), three levels of phosphorus (0, 80 to 160 kg/ha) and two levels of potassium (0 to 30 kg/ha). Was evaluated were floristic composition, growth rate and pasture production. The results indicate that fertilization nitrogen (50 kg/ha) and phosphorus (80 kg/ha) showed effect a significant the growth rate and forage production. There was not an effect potassium fertilization on the variables evaluated. The analysis of the interactions indicates that the combination of N 50, P 80 and K 0 showed gave better results in forage production than the other treatments.
HR under fire—The role of HR in war time
Authors: Shertzer Yehonatan
Published: February 2024

On the morning of the 7th of October, the Hamas organization launched an attack on Israel, causing over 1200 casualties and kidnapping over 250 Israeli citizens. Israeli workers, their families, and the country’s economy were all directly impacted by the war. The effects of the war were vast and created many challenges for the HR departments in various organizations. The HR departments had to respond to these issues with promptness, determination, and thoroughness. I will discuss the functions of HR departments during times of war in this opinion piece. They include eliminating ambiguity and uncertainty; providing managers with the tools they need to handle such circumstances; maintaining resilience and high morale; overseeing volunteer programs; maintaining contact with the reserve forces; providing support to war-affected families; carrying out an effective workforce reduction without jeopardizing the company’s ability to continue operations; and managing workplace tensions.
Age and job expectations—A study from the IT industry
Authors: Bezdrob Muamer
Published: February 2024

In a time of a growingly age-diverse workforce, modern organizations are facing the challenge of simultaneously maintaining job satisfaction for both younger and older workers. In that regard, this study aims to analyse and further explore the difference in job expectations of employees from the IT industry who belong to different age groups. Based on the extant literature, an appropriate research model was designed, which was subsequently tested using the data gathered through the surveys conducted over the past fourteen years. The research results show that the main difference between younger and older employees within the IT industry is related to professional and personal growth. Specifically, younger employees primarily look for personal development and rapid professional advancement, which are of minor importance to their older counterparts. Intriguingly, the obtained results showed no difference between the younger and older employees regarding the work environment, including its competitiveness.
Review on Luminescence Spectroscopic Studies on Dy3+ Doped Nano Phosphors
Authors: Prathibha K.N. , B.V. Nagesh  , N. Kamalashri  , R. Harikrishna
Published: February 2024

In order to assess the luminescence spectroscopy experiments on Dy3+ doped nano phosphorus and metal oxides, this work includes a comprehensive literature analysis of final-results and discussion of prior research. In this review work, we take a look at what’s already been written about Dy3+ doped nano phosphorus and metal oxides. The collected sample was analysed by means of Powder X-ray Diffraction (PXRD), Fourier Transform Infrared Spectroscopy (FTIR), Optical Absorption (AOD), and Photoluminescence (PL). In metal oxides, Characterization techniques gives information about quality and composition of the samples, they exhibit unique PL spectra depending on impurities, crystal defects and mineral associations. These samples may be used in mining companies to assess the economic viability. Compared to an undoped phosphorus PL spectrum, a Dy3+ doped Nano phosphorus PL spectrum shows a blue emission at 441 nm (2.81 eV). Flux was used in a solid-state reaction to create a phosphor that emits white light and contains Dy3+ ions. Analysis of the manufactured sample was performed using Powder X-ray Diffraction (PXRD), Optical Absorption (AOP), Photoluminescence (PL), and Fourier Transform Infrared Spectroscopy (FT-IR). Intense crystal fields and Zeeman interactions can affect Dy3+ ions, as evidenced by their abundant resonance signals in EPR spectra.
Effect of Forchheimer on Hydromagnetic Flow Inspired by Chemical Reaction Over an Accelerating Surface
Authors: M. Girinath Reddy  , P. A. Dinesh  , Reddy A. Sreevallabha , Uma Raju
Published: February 2024

This study investigates the effects of Forchheimer and Lorentz on paired heat and mass transfer by MHD twinned convective flow of a Newtonian fluid with the chemical reaction effect through porous media over an accelerating surface. The governing equations of the physical model are the non-linear coupled PDEs, which are converted to a system of coupled non-linear ODEs with a suitable similarity transformation. By implementing the Shooting technique, the computations are drawn numerically for the distributions of velocity, thermal variations and species changes for distinct dimensionless parameters such as Hartmann number, buoyancy parameters, porous parameter, local inertial parameter, Prandtl number, viscosity parameter, Eckert number and chemical reaction parameter etc. Also, the numerical computations of flow velocity, temperature and species concentration are illustrated graphically for the important physical parameters.
A Numerical Analysis of Reiner-Philippoff Fluid Flow on a Stretching Sheet with the Effect of Ohmic, Viscous Dissipation and First Order Slip
Authors: Chakravarthy Y. S. Kalyan , S. Ram Prasad  , Bhatta S. H C. V. Subba
Published: February 2024

In this study, by considering the effects of joule heating and viscous dissipation, we analyzed the Reiner-Philippoff fluid flow along a stretching sheet. Velocity slip of first order is taken into account. Using the Shooting method, the transformed governing equations are numerically solved. Graphical analysis is used to examine how new parameters affect the fields of temperature and velocity. The obtained results are compared to the results that have been published and are found to be in strong agreement. Examples of this kind of flow on a stretching sheet include the extrusion of polymers, liquid coatings, and other procedures.
CFD Analysis of Pulsatile Non-Newtonian Blood Flow in a Multi-Staged Stenosed Bifurcated Carotid Artery
Authors: Anand Monica , Aggarwal Seema , Harshit Raj  , Gajjar Dhruv
Published: February 2024

Accumulation of plaque on the arterial walls leads to a cardiovascular condition known as Atherosclerosis. This leads to lumen stenosis, and when it occurs in the carotid artery, it can impede the blood-flow to the face, brain, and neck, potentially leading to a stroke. The aim of this paper is to provide a comprehensive study of the carotid artery under multiple stenosed conditions using Computational Fluid Dynamics. In this study, blood has been considered to be a non-Newtonian fluid exhibiting pulsatile flow based upon the Carreau model and a two-dimensional bifurcated human carotid artery has been modelled. The Navier-Stokes equations-based FVM (Finite Volume Method) is used to analyze the flow inside the artery, while RANS k-ω SST turbulence model has been applied in the analysis of parameters of blood under stenosed conditions. Four models based on different stages of stenosis (0%; 25%; 50% and 75%) have been developed with simulations run on Ansys to find the effects under stenosis. For all the simulations, 65:35 flow division has been used, indicating that 65% of the total blood flows through the Internal Carotid Artery and 35% flows through the External Carotid Artery. Velocity and pressure contour, velocity distribution on the modelled plane and wall shear stress on arterial walls are the primary parameters studied at varying timescales of a cardiac cycle. As the stenosis stage increases, the flow separation can be predicted with higher accuracy. With the help of these parameters, one can build and design better treatment choices, such as designing of stents with different materials or adding of Ag-Au (Silver - Gold) nanoparticles in the blood to change the hemodynamics.
Effect of Magnetic Interaction Parameter and the Electrical Conductivity of the Fluid on the Stability of Hydromagnetic Channel Flow
Authors: Basavaraj M. S. , Reddy M. Girinath , N. Kavitha  , T. Shobha
Published: February 2024

The influence of magnetic interaction parameter and conductivity of the fluid on the stability against small perturbations on the streamlined base flow between two infinitely long parallel fixed plates is studied numerically. By normal mode analysis, the disturbance equations are reduced to Orr-Sommerfeld-type. Using the energy method, sufficient conditions for stability are derived by using the nature of the growth rate and sufficiently small values of the Reynold numbers. The disturbance equations are then solved using the Galerkin method corresponding to the base functions as Legendre-polynomials. Critical values for the Reynolds number, wave number, and speed of the wave are computed for various ranges of the magnetic interaction parameter and the magnetic Reynolds number. The curves of neutral stability are presented for different values of the nondimensional parameters that appeared in this study. The stability analysis is also discussed with the help of the plots of the rate of growth of disturbances for several values of the electrical conductivity and the magnetic interaction parameter. It is observed that both the fluid conductivity and the magnetic interaction parameter have direct control over fluctuations in the system. The results of this study are accurate and are comparable with the existing literature in the absence of a parallel magnetic field.
Three-dimensional Analysis of Electromagnetic Nanomaterial Flow and Thermal Variations for Forced Convection
Authors: Yadav Sweeti , P. A. Dinesh  , K. R. Roopa  , Gogate S. Shashi Prabha
Published: February 2024

This paper investigates the three-dimensional motion of electromagnetic nanofluid under the influence of heat source/sink, nonlinear heat radiation, magnetic field, and altered Arrhenius equation. Nonlinear stretching in the velocity is considered in the x-direction. Thermophoresis (Nt) and Brownian motion (Nb) are also considered in nanoparticle concentration profiles and temperature analysis. The boundary layer equations are transformed into nonlinear ODEs using suitable similarity transformations. The coupled nonlinear homogeneous system of ordinary differential equations is tackled by the MAPLE software. Non-dimensional system of the equation contains fourteen physical parameters Fr, Nb, M, γ, λ, Rd, δ, Pr, Nt, S, E, Sc, Bi and power index, which are governed by the physical model. Graphs are presented to show the impact of the abovementioned parameters on temperature, concentration and velocity profile. The present study contributes by observing how the aforementioned parameters influence the heat dissipation rate of nanofluids. This study has broad applications in the field of nanofluids like oil production, metal extrusion, heat exchangers, catalytic reactors etc. Also, results for a particular case found good concurrence with earlier work.
Effect of Diffusion-Thermal on Mixed Convective Casson Fluid Flow in a Porous Channel
Authors: N. L. Ramesh  , P. A. Dinesh  , Brijesh  , B. V. Shilpa
Published: February 2024

The main purpose is to study analytically about the Diffusion-thermo impact on mixed convective flow of Casson fluid in a vertical channel in occurrence of porous media, uniform magnetic field and amplification. Similarity transformation is implemented to transform nonlinear coupled PDEs into ODEs. Further, obtained equations were solved using perturbation technique and studied the characters of heat, velocity and concentration of the corporeal system. The influence of nondimensional factors such as Darcy number Da, buoyancy parameter of concentration N, M2 Hartmann number, dufour number df, rate of chemical reaction γ, Schmidt number Sc, thermal buoyancy parameter λ, Prandtl number Pr, Casson parameter β, and Reynolds number R on concentration, temperature and velocity deliberated explicitly. Few important computational work reveals that the Dufour effect Df enhances the concentration, temperature and fluid flow whereas Casson fluid parameter β diminishes the profiles. The earlier work and present work have been compared for a particular case in the nonexistence of Dufour effect and porous media and were found to be coinciding.
Influence of Heat Source on Thin Film Flow of Ferrofluid Past an Unsteady Stretching Sheet
Authors: B. Azghar Pasha  , G. Sowmya  , V. Ramachandramurthy  , H. M. Nagesh
Published: February 2024

In this work, the impact of a heat source on the thin-film ferrofluid flow over an unstable stretching sheet in the presence of an external magnetic field has been examined. The governing partial differential equations are transformed into a system of ordinary differential equations by similarity transformation. The resultant system of ordinary differential equations is solved numerically through shooting technique involving Runge-Kutta-Fehlberg (RKF45) method. To improve the initial guess values, the Newton-Raphson method is used. The significance of magnetization parameter, Prandtl number and heat source parameter on the flow and heat transmission process have been graphically analysed. The decrease in film thickness is observed for growing values of heat source parameter.
Effect of Gravity Modulation on the Onset of Heat Transfer by Buoyancy Induced Convection in Boussinesq- Stokes Suspension with Temperature
Authors: N. Kavitha  , M. S. Basavaraj  , A. S. Aruna  , V. Ramachandramurthy
Published: February 2024

The current paper considers the Boussinesq-Stokes suspensions and the temperature-dependent viscosity with the influence of gravity modulation to analyze a weak non-linear stability problem of Rayleigh Benard magnetoconvection. In the study of convective instability problems, the impact of time-periodic body force also known as gravity modulation or g-gitter is essential. In the problem of gravity modulation, the gravity field has two components: one is the constant part and another an externally imposed time periodic part, which can be produced by oscillating the fluid layer. The effect of varying frequency of gravitational oscillation on convection is examined. The truncated form of the Fourier series is used in the non-linear analysis. The effects of numerous factors on the onset of convection have been discussed in this paper. The thermal Nusselt number is computed and shown for slow time periods using non-linear theory. The impacts of gravity modulation frequency and amplitude have been investigated in order to study heat transport in the system, as well as other aspects that exist in the problem.