bluuebunny/crossref_metadata_2025 huggingface dataset:
ISO 45001 İş Sağlığı ve Güvenliği Yönetim Sisteminin Eğitim Kurumlarında Uygulanmasının Etkinliğinin Değerlendirilmesi
Authors: Dolgunyürek Osman , Ada Sefer
Published: September 2024

Günümüzde yüz yüze eğitim, öğrencinin sosyalleşmesi ve aktif katılımını teşvik etmek amacıyla belirli standartlara uygun fiziksel mekânlarda gerçekleşmektedir. Bu nedenle, sağlıklı ve güvenli eğitim ortamlarının oluşturulması, etkili bir eğitim öğretim süreci için önemlidir. Bu çalışma, ISO 45001 İş Sağlığı ve Güvenliği Yönetim Sistemi'nin (İSGYS eğitim kurumlarında) uygulanmasını değerlendirmeyi amaçlamaktadır. Araştırmada, yarı yapılandırılmış ve 14 sorudan oluşan bir online form kullanılmıştır. Çalışmanın örneklemini, ISO 45001 İSGYS baş tetkikçisi olan 45 kişiden oluşturmaktadır. Araştırma sonuçları, çalışan memnuniyetinin artırılması ve katılımlarının teşvik edilmesi için somut adımların atılması gerektiğini ortaya koymuştur. Ayrıca, İSGYS’nin uygulandığı okullarda çalışanların tehlike ve risklere karşı farkındalıklarının arttığı ve yasal uyumun sağlandığı gözlemlenmiştir. İş kazalarının önlenmesi veya azaltılması konusunda olumlu bir etki görülürken, İSGYS’nin sağlıklı ve güvenli bir çalışma ortamı oluşturmada genel olarak olumlu etkileri olduğu belirtilmiştir. Afet ve Acil Durum Yönetimi için düzenlenen eğitimlerin ve tatbikatların güçlendirilmesi, İSG kültürünün daha da geliştirilmesi, düzeltici faaliyetlerin daha etkin ve zamanında gerçekleştirilmesi için stratejik düzenlemelere ihtiyaç duyulduğu vurgulanmıştır. İstatistiksel verilerin toplanması ve değerlendirilmesinde başarı sağlanmış olmasına rağmen, iyileştirme faaliyetlerinin ve sürekliliğinin daha da desteklenmesi gerektiği ifade edilmiştir. Ayrıca, uygulamanın okul veya kurum türüne göre farklılık gösterdiği ve anaokullarında daha etkili olduğu tespit edilmiştir. Araştırma, ISO 45001 İSGYS’nin eğitim kurumlarında etkili bir şekilde uygulanmasının, daha sağlıklı ve güvenli eğitim ortamları geliştirebileceğini göstermiştir. Bu durum, eğitim kalitesinin ve öğrenci başarısının artmasına katkı sağlayabilir. Bu nedenle, eğitim kurumları, ISO 45001 İSGYS’yi uygulamalı, sürekli iyileştirmeli, çalışanlara İSG eğitimleri düzenlemeli ve denetimlerle süreci izlemelidir.
Experience in creating primary cultures of endometrial cancer and studying cells carrying phenotype of cancer stem cells
Authors: Filippova S. Yu. , Mezhevova I. V. , Chembarova T. V. , Novikova I. A. , Verenikina E. V. , Zhenilo O. E. , Polovodova V. V. , Shaposhnikov A. V. , Shalashnaya E. V. , Maslov A. A. , Ishonina O. G.
Published: September 2024

Purpose of the study. Was to investigate the possibility of applying the method of spheroid formation in culture for assessment of the endometrial cancer (EC) tumor stem cells (TSC) content in complex samples containing various tumor cells and microenvironment.

Materials and methods. Primary cultures were obtained from fragments of tumors removed during surgery as a first stage of treatment at the Department of Gynecological Oncology, the National Medical Research Center for Oncology. After enzymatic disaggregation of tissue, cell suspension was passaged in DMEM medium containing 10 % fetal bovine serum and 1 % gentamicin to obtain primary two-dimensional cultures. To study the ability of cells to form spheroids, the primary culture was removed from the culture plate and passaged with 2.0 × 104 cells per well of a six-well plate (n = 6) in DMEM medium containing 0.35 % agarose and growth factors EGF (20 ng/ml) and FGF (20 ng/ml). After two weeks of cultivation, the average size, number of formed spheroids, and frequency of spheroid formation were determined. For those cultures that had formed spheroids, immunofluorescent staining of the two-dimensional culture for the marker CD133 was performed, after which the frequency of CD133+ cells was determined.

Results. A total of nine primary cultures of EC were obtained, five of which formed spheroids within two weeks of cultivation under non-adhesive conditions. In these cultures, small polygonal CD133+ cells showed the strongest association with spheroid formation, which were associated with the largest spheroids (98–110 μm in diameter).

Conclusion. There is a large number of microenvironmental cells in mixed cultures of CSC, some of which may express CD133, including healthy stem cells that also form spheroids in soft agar. A more detailed study of CSC subpopulations compared to normal endometrium is required to establish a link between the observed diversity of cells in culture and their ability to form spheroids and other characteristics of tumor stem cells.
Okul öncesi dönemdeki çocukların depreme ilişkin algılarının incelenmesi
Authors: Morkan Şahin Mehtap , Durualp Ender
Published: September 2024

Araştırmada, okul öncesi eğitime devam eden ve etmeyen çocukların depremle ilgili duygu ve düşüncelerinin incelenmesi amaçlanmıştır. Araştırmada, nitel araştırma yöntemlerinden olgubilim (fenomenoloji) deseni kullanılmıştır. Araştırmanın çalışma grubunu beş-altı yaşlarındaki çocuklar (n=24) oluşturmaktadır. Çocuklar, kartopu örnekleme yöntemiyle belirlenmiştir. Araştırmanın verileri, literatür incelemesi ve uzman görüşleri doğrultusunda hazırlanan yarı yapılandırılmış “Görüşme Formu” ile toplanmıştır. Verilerin analizinde, betimsel içerik analizi kullanılmıştır. Araştırma sonucunda, çocukların depremi tanımlarken en fazla fiziksel etkileri üzerinde durdukları; depremle ilgili bilgileri telefon ve televizyondan edindikleri; bilgilerin depremin fiziksel etkileri ile ilgili olduğu; deprem anında fiziksel hasarlar meydana geleceği; deprem anında çök-kapan-tutun eyleminin yapılması ve kaçmak gerektiği; yine deprem anında üzülüp/korkacağını ifade ettikleri belirlenmiştir. Ebeveynlere ve öğretmenlere, çocuklara depremle ilgili doğru ve yaşlarına uygun bilgilerin sağlanması, çocukların depremle ilgili bilinçlenmeleri ve duygusal hazırlıklarını artırmaya yönelik eğitimlerin düzenlenmesi önerilmiştir.
Çocuklarda Mizah Ölçeğinin (4-12 yaş) Geliştirilmesi ve Çocukların Mizah Eğilimlerinin İncelenmesi
Authors: Özyürek Arzu , Keser Hatice , Yıldırım Nagihan
Published: September 2024

Mizahın, izleyiciyi eğlendirmek amacıyla başlatılan sözsüz iletişim aracı, kaygıyı kovmak için oluşturulan bir tür savunma mekanizması, bilişsel ve duyusal kaynaklardan yararlanan zengin bilişsel eylemler dizisi olmak üzere çeşitli tanımları mevcuttur. Çocukların okul öncesi yaşlardan itibaren mizahı anlama ve algılaması, mizahı tercih edip etmediği, mizah üretme becerisi ve mizahı belli amaçlarla kullanabilme becerisinin belirlenmesi, mizah gelişiminin desteklenmesinde anlamlı veriler sunabilir. Bu nedenle bu çalışmada, 4-12 yaş grubu çocuklar için bir mizah ölçeği geliştirmek ve çocukların mizah eğilimlerinin incelenmesi amaçlanmıştır. Çalışma grubunu 4-12 yaş grubu çocuğa sahip 352 ebeveyn oluşturmuştur. Ölçme aracı kapsam geçerliği ve yapı geçerliği, güvenirlik katsayıları incelenmiştir. Yapılan analizler sonucunda ölçme aracının 22 madde, beşli likert tipinde ve Mizahi Anlama, Mizahı Tercih Etme, Mizah Üretme, Mizahtan Yararlanma olmak üzere dört alt boyuttan oluştuğu, iç tutarlık katsayısının 0,90 olduğu bulunmuştur. Ölçeğin puanlanması alt boyutlar için ayrı ayrı ve toplam mizah puanı olarak değerlendirilebilir. Alınan yüksek puan o alt boyuta ilişkin mizah özelliğinin (mizahı anlama, mizahı tercih etme, mizah üretme ve mizahtan yararlanma) yüksek olduğu, toplam puanın yüksek olması da çocuğun genel mizah anlayışı ve eğiliminin yüksek olduğu şeklinde yorumlanabilir.
DETERMINATION OF FLEXURAL STRENGTH AND YOUNG'S MODULUS OF ELASTICITY OF ACTIVELY BENT WOOD
Authors: HERDA ROMAN , SLIVANSKÝ MILOŠ , BRODNIANSKY JÁN , KLAS TOMÁŠ
Published: September 2024

The article focuses on the experimental verification of wooden laths with a cross-section of 10 mm x 40 mm which were selected for active bending. The laths are made of pine wood and are 2 m in length. The research includes experimental measurements to determine the limit deformations achieved by bending the wood without chemical treatment, by applying compressive force to an originally straight beam, causing it to buckle and further deform. Ten bending tests of beams were performed, and from the same pieces, 21 tests were conducted using the four-point bending test to determine the flexural strength, and 30 tests to determine the global modulus of elasticity.
TRABALHO E HUMANIZAÇÃO NAS EMPRESAS À LUZ DA FÉ CRISTÃ
Authors: Rocha Ozenildo Santos Xavier Da
Published: September 2024

A sociedade contemporânea tem passado por mudanças significativas a partir do advento damodernidade. Essas mudanças trouxeram consigo situações sociais, políticas, econômicas ereligiosas que chamam atenção para os impactos que produziram. O mundo do trabalho, emsua especificidade tem ocupado um lugar de destaque na agenda mundial à medida que odesenvolvimento de cada nação não inclui em suas categorias de análise e medição a situaçãosocial, mais especificamente, o papel das empresas, do trabalhador e do sentido do trabalhoem sua compreensão mais significativa. Desse modo, investigar o quadro atual da gestãoempresarial bem como compreender o lugar do trabalhador dentro da organização poderá nosapontar para situações de ordem desafiadoras. Para essa compreensão será importanteverificar tal tema tendo como referenciais os olhares da ciência econômica e da ética,iluminando-os sob o prisma da fé cristã. Nesse caminho busca-se sentido para a gestão nasempresas, dando a contribuição da fé cristã em um horizonte de instabilidades.
DESAFIOS E PERSPECTIVAS NA FORMAÇÃO INICIAL: UM ESTUDO SOBRE AS DIFICULDADES E MOTIVAÇÕES DOS LICENCIANDOS EM QUÍMICA
Authors: PEREIRA Lucas Silva , SANTOS Dhienifer Santos Ferraz dos , MARTINS Alcione Lima , ADORNI Dulcinéia da Silva
Published: September 2024

Este estudo investigou as dificuldades de aprendizagem enfrentadas por alunos do Curso de Licenciatura em Química, com ênfase no impacto dessas dificuldades em seu processo formativo. A pesquisa foi conduzida na Universidade Estadual do Sudoeste da Bahia (UESB), Campus de Itapetinga, e envolveu 19 estudantes regularmente matriculados em diferentes semestres. Utilizou-se um questionário para coletar informações sobre métodos de estudo, apoio à permanência na universidade e desafios relacionados aos componentes curriculares. Os resultados indicaram que a maioria dos licenciandos considera a base matemática construída no Ensino Médio insuficiente para o prosseguimento dos estudos no Ensino Superior, o que prejudica seu desempenho acadêmico. Além disso, abordagens didáticas baseadas em concepções tradicionais de educação, centradas na transmissão e memorização de informações, foram avaliadas como menos eficazes. Em contrapartida, métodos interativos e contextualizados mostraram-se mais significativos para a aprendizagem dos estudantes. A falta de recursos didáticos diversificados e a insuficiência de suporte acadêmico foram identificadas como barreiras ao aprendizado. Esses resultados sugerem que a adoção de metodologias ativas, a melhoria dos recursos didáticos e o aumento do suporte acadêmico são essenciais para mitigar as dificuldades enfrentadas pelos licenciandos em Química. Tais estratégias podem promover um ensino mais eficaz e acessível, contribuindo para o aprimoramento do desempenho e a compreensão dos conteúdos pelos estudantes.
TRABALHO E ALIENAÇÃO EM TARSILA DO AMARAL: REFLEXÕES SOCIAIS A PARTIR DA LEITURA DE IMAGEM INTERDISCIPLINAR DA OBRA “OPERÁRIOS”
Authors: Ribeiro Anderson Pereira , Favreto Elemar Kleber
Published: September 2024

O trabalho analisa a obra “Operários”, de Tarsila do Amaral, a partir da Leitura de Imagem Interdisciplinar (LI2), buscando compreender as habilidades artísticas da pintora e a crítica social implícita em sua obra. A análise, nesse sentido, explora como a pintura reflete questões como massificação, alienação e exploração dos trabalhadores, tanto no contexto histórico de sua criação, em 1933, quanto em sua relevância contemporânea, especialmente frente às novas tecnologias, à precarização do trabalho e à flexibilização dos direitos trabalhistas. A artista, influenciada pelo modernismo europeu e pelo Manifesto Antropofágico, utilizou sua arte para criticar as condições laborais e as dinâmicas sociais da época. A pesquisa justifica-se teoricamente pela necessidade de integrar diferentes campos do conhecimento na análise de obras de arte, e, na prática, pela importância de debater as questões sociais no cenário atual. A metodologia utilizada baseou-se na LI2, combinando análise de aspectos visuais com referenciais teóricos da arte e das ciências humanas e sociais. Os resultados mostram que a obra de Tarsila do Amaral permanece relevante, não apenas como um marco do modernismo brasileiro, mas também como uma crítica social atemporal.
A Computer-Aided Model for Dental Image Diagnosis Utilizing Convolutional Neural Networks
Authors: Ashame Laurine A. , Youssef Sherin M. , Elagamy Mazen Nabil , Othman Ahmed , El-Sheikh Sahar M.
Published: September 2024

A Convolutional Neural Network (CNN) is an artificial neural network that is primarily utilized for the purposes of image recognition and processing, owing to its remarkable ability to recognize patterns within images. CNNs have found widespread application in diverse areas of computer vision, including but not limited to object tracking and recognition, security, and military and biomedical image analysis. CNN in orthodontic medical imaging technologies to reduce orthodontic treatment planning time, including automatic landmark search on cephalometric radiographs, cone beam computed tomography (CBCT) tooth segmentation, and CBCT tooth segmentation. This paper describes the strategy and the architecture of deep convolutional neural networks applied to DICOM datasets to distinguish between X-ray pictures with and without teeth. This work focuses on the application of the CNNs to a DICOM dataset in orthodontics as pre-processing for CNNs using fuzzy C-means clustering to construct a reasonable prediction that results in improved accuracy of this system. The aforementioned proposal has shown encouraging outcomes and visual representations, indicating that utilizing methods based on convolutional neural networks can greatly enhance the computational planning of orthodontic treatments by decreasing the time required for analysis. In many cases, this approach's analysis surpasses the accuracy of a manual orthodontist. This model achieved an accuracy exceeding 98% in applying the CNNs to differentiate between X-ray images with teeth and others with no teeth to focus any further work only on useful images which helps in diagnosis planning.
Efficient Integration of PV Panels and Electrolysis through a High-Performance Converter for Clean Hydrogen Generation
Authors: Abdel-Rahim Omar , Hassan Al Amir , A. Arafa Ayman
Published: September 2024

Green power generation revolves around producing clean hydrogen. This is achieved through a process of generating hydrogen by electrolysis, which draws power from renewable energy sources. In this manuscript, a high performance step-down isolated dc-dc converter is proposed to interface the Photovoltaic (PV) panels and the electrolysis. This converter is highly efficient and capable of toggling on and off with minimal power consumption. The primary function of the electrolyser is to generate hydrogen, and the quantity of hydrogen produced correlates with the amount of electricity (current) it receives. To ensure seamless operation, a control system is employed. This system monitors the current and voltage of the electrolyser, ensuring it remains within optimal levels. To assess the efficacy of the proposed configuration, the system is simulated in MATLAB platform and a complete hardware in the loop test is performed using OPAL-RT OP4510.
Role of Information and Communication Technology in Increasing Work Creativity through Transformational Leadership Between Generation X and Y Employees: A Bibliometric Analysis using Publish or Perish
Authors: Imaniyati Nani , Ramdhany M. Arief , Siti Hadijah Hady , Nurjanah Santi
Published: September 2024

This study aims to examine the development of research on the role of information and communication technology in enhancing work creativity through transformational leadership among Generation X and Y employees using bibliometric approach with computational mapping analysis VOSviewer. The article data was obtained from the Google Scholar database using publish or perish reference manager application. The titles and abstract of the articles were used to guide the search process by referring to the keyword "Transformational Leadership". 957 articles were found that were considered relevant. The study period used as the study material is the Google Scholar indexed articles for the last 5 years (2018 to 2023). The results show that the role of information and communication technology in increasing work creativity through transformational leadership research can be separated into 3 terms: transformational leadership, communication, and creativity. The term "Transformational Leadership" is associated with 103 links with a total link strength of 3876. The term "Communication" has 35 links with a total link strength of 81 and the term "Creativity" has 49 links with a total link strength of 125. Results of the analysis of the role of information and communication technology in increasing work creativity through transformational leadership research in the last 5 years show quite frequent fluctuations. The number of studies declined from 176 in 2018 to 153 in 2019. Following that, it witnessed another severe fall in the last three years, with as many as 191 articles in 2021, 165 articles in 2022, and 51 pieces in 2023. We determined how many articles have been published on the role of information and communication technology in increasing work creativity through transformational leadership and its relation to problem areas using VOSviewer. This review can serve as a starting point for further related studies.
Comparison of Higher-Order Beam Theory and First-Order Beam Theory Models on FGM Beam Element for Static Analysis
Authors: Katili Irwan , Martina Anastasya , Widyatmoko Susilo
Published: September 2024

HOBT-Higher Order Beam Theory is the developing theory in the Finite Element Method (FEM), which considers the higher-order variation of transverse shear strain; therefore, the shear correction factor is not required. This paper uses beam elements and implements them to higher order beam theory developed by Vo et al., with two independent variables of bending and shear displacement, using third-order polynomial functions. This paper shows the contribution of the shear strain part as one of the independent variables. Static analyses are presented to obtain a comparative result with the First Order Beam Theory (FOBT) application on the imposition of different boundary conditions to ensure reliable results.
Biquartic Hesitant Fuzzy Bézier Surface Approximation Model with Its Visualization
Authors: Wei Jin Pa , Zulkifly Mohammad Izat Emir , Ahmad Khairuddin Taufiq Khairi
Published: September 2024

Geometric modeling has evolved significantly since its inception, with pioneers like Pierre Bézier laying the foundation for curve modeling. Concurrently, fuzzy set theory, introduced by Lotfi A. Zadeh in 1965, addressed uncertainty in decision-making processes. Integrating fuzzy set theory with geometric modeling has led to advancements in handling imprecise data and uncertainty. This paper proposes a novel approach, the hesitant fuzzy Bézier surface (HFBS) approximation model, which combines geometric modeling with hesitant fuzzy sets to address uncertainty in surface approximation. The model utilizes hesitant fuzzy control net relations to construct HFBSs, enabling visualization of surfaces under varying degrees of uncertainty. A biquartic HFBS example is presented, demonstrating the model’s ability to handle hesitancy among experts’ opinions. The paper discusses the properties of HFBS and suggests its extension to interpolation models for broader applicability. Ultimately, the HFBS model offers an approach to geometric modeling in situation where uncertainty is inherent, which aim to handle complex data in real-world applications.
Effects of Alpine Ski Trainings on Oxidative Stress and Antioxidant Levels
Authors: Demiryürek Duran , Polat Metin , Gunturk Inayet , Yazıcı Cevat
Published: September 2024

The aim of this study was to examine the oxidant and antioxidant levels that could be observed during a single unit slalom and giant slalom trainings routinely practiced by alpine skiers by measuring the Total Oxidant Capacity (TOC) and Total Antioxidant Capacity (TAC). 18 male athletes, aged between 18 and 29 and experienced in the international alpine ski competitions, participated voluntarily in the study. Initially, body weight, height, body mass index, and VO2max values of the volunteers were determined as required. Next, the volunteers underwent giant slalom and slalom training, lasted 2.5 hours with five days interval, on the competition slope that complies with the international standards. Venous blood samples of the volunteers were collected before and after both training applied and so TOC and TAC values were found out accordingly. While no significant change was observed in TOC values after both slalom and giant slalom applied, a significant increase was detected in TAC values (p
Rekreasyon Bölümü Öğrencilerinin Mesleki Yeterlilikleri, İş Bulma Kaygısı ve Kariyer Planlamaları Arasındaki İlişkinin İncelenmesi
Authors: Aksüt Nida Nur , Duman Savaş
Published: September 2024

Bu araştırmanın amacı, üniversite öğrencilerinin mesleki yeterlilikleri ile iş bulma kaygısı ve kariyer planlamaları arasındaki ilişkileri incelemektir. Aydın Adnan Menderes Üniversitesi Spor Bilimleri Fakültesi'nde öğrenim gören 181 öğrenci ile gerçekleştirilen bu çalışma, verileri Google formlar aracılığıyla toplamış ve analizler SPSS 26 programı kullanılarak yapılmıştır. Araştırmada, ölçeklerin çarpıklık ve basıklık değerleri incelenmiş; mesleki yeterlilik ve kariyer planlama ölçeklerinin normal dağılım sağladığı, ancak iş bulma kaygısı ölçeğinin normal dağılım göstermediği belirlenmiştir. Bağımsız örneklem t testi ve tek yönlü varyans analizi kullanılarak yapılan karşılaştırmalarda, anlamlı farklılık saptandığı durumlarda Games Howell testi uygulanmıştır. İş bulma kaygısı ile ilgili karşılaştırmalar için Mann Whitney U testi ve Kruskall Wallis H testi tercih edilmiştir. Kruskall Wallis H testinde anlamlı farklılık bulunduğunda ise Bonferroni düzeltmeli Mann Whitney U testi kullanılmıştır. Ayrıca, mesleki yeterlilik, kariyer planlama ve iş bulma kaygısı arasındaki ilişkileri belirlemek amacıyla Spearman korelasyon analizi yapılmıştır. Yapılan analizler neticesinde üniversite öğrencilerinin mesleki yeterlilik düzeyleri arttıkça kariyer farkındalığı ve iş bulma kaygısının da arttığı sonucuna ulaşılmıştır.
Effectiveness of Nursing Interventional Package Regarding Physical Well Being on Knowledge among Osteoporotic Client in Urban Health Centres
Authors: S Anbarasi
Published: September 2024

Background: Globally, osteoporosis is a significant public health concern. Every year, the prevalence of it rises, with the developing world experiencing a significantly quicker rate of increase. According to the National Osteoporosis Foundation (2003), osteoporosis is a condition that is difficult to avoid and treat since it causes bone loss without any symptoms.Methods: A pre-experimental study was conducted in the urban health center in Puducherry to evaluate the osteoporotic patients' awareness of physical well-being. A straightforward sample strategy was used to choose fifty osteoporotic consumers. A structured survey was employed to assess understanding, and both descriptive and inferential statistical methods were applied to examine the information. Results: According to the analysis, out of fifty osteoporotic clients, 100% of the male clients and 96% of the female clients lacked sufficient understanding. Following the nursing interventional package, the male and female participants' knowledge levels rise to 68.4% and 58.6%, respectively. Thus, the study's significance at the <0.001 level was determined. Conclusion: According to the study's findings, the nursing intervention package proved to be a very successful strategy for raising the level of physical well-being awareness among male and female osteoporotic clients who visited the geriatrics clinic at Odiyansali Urban Health Center.
Design and Implementation of Electronic Controller for Optimal Functioning of Vacuum Toilets in Railway Passenger Transportation
Authors: ALTINTAŞ Aykut , Kürşad UÇAR Muhammed
Published: September 2024

Vacuum toilet systems are used in most of the railway vehicles which manufactured for passenger transportation. The main purposes of using these systems are to suppress bad smells that may originate from toilets used in railway vehicles and to prevent diseases that may arise from toilet waste by improving hygiene conditions. In terms of environmental effects, it prevents causing corrosion on the rails because of human-made wastes and harms the environment by polluting water resources. In addition to these reasons, the vacuum toilet system saves 75-80% water in each wash cycle compared to a standard toilet. This study aims to design an electronic controller to be used in the vacuum toilet systems of passenger railway vehicles, which is cost-effective and can be easily adapted to different types of vacuum toilet systems. To design the controller, the systems used in railway vehicles were examined and the design parameters such as programming language and processor type to be used, electrical interface, the functions to be executed by the controller, the number of input-output signals, cost, etc., were defined. Afterward, the designed prototype controller was produced and on-desk/on-board tests were carried out. As a result of the study, a special electronic controller is developed for vacuum toilets systems used in passenger coaches and diesel multiple units operated for passenger transportation in Turkey, produced at an affordable cost and started to be used actively. The produced controller will be able to be used in different types and models of vacuum toilet systems which are used in railway vehicles used for passenger transportation, by adding or removing some functions deemed necessary on software.
Legal and Ethical Implications of Data Privacy in Artificial Intelligence: A Review of Data Privacy among Learners in Kenyan Secondary Schools
Authors: Mutuku Muli
Published: September 2024

The Artificial Intelligence (AI) incooperation in educational settings sparked significant discussions regarding data privacy, especially in secondary schools in Kenya. As AI technologies became increasingly prevalent, the oversight and guiding of students' individual information raised important legal and ethical concerns. This study explored the legal and ethical implications of data privacy in AI applications within Kenyan secondary schools, focusing on the unique challenges faced in this context. The problem statement addressed the growing concerns over the adequacy of current data privacy protections and the potential risks posed by AI systems handling sensitive student information. The study had three primary objectives: first, to assess the current legal frameworks and policies governing data privacy in Kenyan secondary schools; second, to evaluate the ethical considerations related to the use of AI technologies and their impact on students' privacy; and third, to identify best practices for enhancing data protection. The scope of the study was confined to secondary schools across Kenya, examining the intersection of legal regulations and ethical practices in managing student data within these institutions. The justification for this study lay in the increasing reliance on AI tools in education and the need to ensure that data privacy standards were robust enough to protect students' personal information. Data for this review was collected from secondary sources, including existing literature, policy documents, and previous research findings. The method of data collection involved a comprehensive literature review, followed by a qualitative analysis of the collected data to identify patterns and insights related to data privacy issues. The reason for the inquiry of the study was to provide a thorough review of the current state of data privacy among learners in Kenyan secondary schools and to offer recommendations for improving legal and ethical practices. By analyzing secondary sources, the study aimed to contribute to the development of more effective data privacy strategies and ensure that AI technologies were executed in a manner that safeguarded students' rights and interests.
Emerging Experiences Faced by Human Resource Practitioners: A Phenomenological Inquiry
Authors: V. Echalar Lovely
Published: September 2024

Human Resource Management (HRM) is a critical component of management that has seen significant transformative developments in the recent millennium. There has been a notable transition in the role of HRM managers, as their responsibilities have evolved from primarily addressing individual personnel matters to the creation and execution of intricate strategic initiatives for the firm. Presently, there is a substantial discourse on the primary considerations for Human Resource management in the future. Human resource managers are encountering difficulties due to heightened globalization, advancements in working methods, client preference shifts, and company reorganization (Nasir, 2017). Human resource managers are facing significant challenges in their efforts to retain talented people, fulfill the expectations of a multicultural workforce, and optimize the utilization of their personnel. Developing a versatile workforce is necessary to address the evolving demands of the 21st century effectively. This study aims to investigate human resources (HR) concerns and obstacles and suggest sensible options. The participants were chosen from the ISO 9001 – Quality Management System Certified Higher Education Institutions in General Santos City. Data were gathered through in- depth interviews using a standardized open-ended interview guide. Conclusively the findings revealed four significant themes as the emerging experiences faced by human resource practitioners. These were the make and break of employee management, hurdles of compliance with organizational laws and regulations, the challenge of recruitment and retention, and ethical dilemmas of human resource management. Based on these themes, a recommendation to Human Resource Practitioners and Higher Education Institutions was made to address such challenges.
Radiation Therapy of a Case of Ledderhose’s Disease: A Rare Benign Nodule of the Plantar Aponeurosis
Authors: Taouchikht M. , Abdou S. , Fares H. , Nouni K. , Lachgar A. , Kacemi H. El , Kebdani T. , Hassouni K.
Published: September 2024

Ledderhose’s disease, or plantar fibromatosis, is a rare benign condition characterized by the excessive proliferation of connective tissue in the plantar aponeurosis, leading to slow-growing nodules. Although it usually presents unilaterally, bilateral involvement occurs in about 25% of cases. The exact cause is unknown, but associations with diabetes mellitus, liver disease, and repeated trauma have been noted. Treatment options are diverse, with surgery often being the primary approach, but radiation therapy has emerged as a promising alternative. We present the case of a 70-year-old Moroccan man with a painful plantar nodule, diagnosed with Ledderhose’s disease. Initial measures were insufficient, leading to the use of radiation therapy. The patient received Three-Dimensional Conformal Radiotherapy (3D-CRT) at a dose of 30.0 Gy, administered in two courses. Following treatment, the patient experienced significant symptom relief and a notable reduction in nodule size. Although surgery was eventually required due to disease progression, it is noteworthy that radiation therapy effectively delayed the need for surgical intervention.
In-Vitro Assessment of Atrial Septal Defect Occluder Deployment: A Crucial Step in Occluding Atrial Septal Defects and Restoring Cardiac Function
Authors: Pramod Kumar Minocha , Deveshkumar Mahendralal Kothwala , Maheshbhai Rana Niravkumar , Rahul Jatashankar Sharma , Krushang Rohitkumar Patel
Published: September 2024

This research article introduces an innovative Atrial Septal Defect (ASD) Occluder tailored for treating atrial septal defects. Crafted from nitinol wire, the occluder incorporates strategically placed PET fabric in its design, enhancing its thrombogenicity and occlusion efficacy. The primary objective of this occluder is to halt blood flow between the atria, thus correcting the defect's impact on cardiac function. Through rigorous in-vitro testing, the occluder's deployment via catheter and its performance and efficacy are comprehensively evaluated. The study focuses on assessing its ability to effectively obstruct blood flow across the defect site while minimizing the risk of adverse effects or complications. This research marks a significant advancement in interventional cardiology, offering a promising solution for managing atrial septal defects. By detailing the occluder's developmental trajectory and key design considerations, this study provides valuable insights for future research endeavors and clinical implementations in the field. Ultimately, this occluder holds the potential to improve patient outcomes and enhance the safety and efficacy of ASD closure procedures.
Carbon Accountability and Growing Entrepreneurship in India: Challenges and Opportunities
Authors: Khanna Pragya
Published: September 2024

India, a rapidly growing economy, is at a critical juncture where the balance between economic growth and environmental sustainability is more important than ever. As entrepreneurship flourishes across the nation, there is an increasing need to integrate carbon accountability into business practices. This paper explores the relationship between carbon accountability and the growing entrepreneurial landscape in India, analyzing the challenges, opportunities, and the role of policy in promoting sustainable business practices. The study argues that fostering carbon accountability among entrepreneurs is essential for long-term economic and environmental sustainability.
Mitigating Waste through Valorization of Waffle Cones : Exploring the Potential of Banana Peel and Jackfruit Seeds in Sustainable Waste Management Solutions
Authors: H D Ashwini , V Sanjana , Neelagund S.E. , D N Sandeepa , B S Sneha , K R Ajay
Published: September 2024

The rapid increase in plant waste production in the agri-food industry is a significant global issue, considering storage, disposal, environmental impacts and potential health risks. However, the use of agricultural waste as by-products to recover value-added compounds brings new opportunities in industrial production and waste management. After banana harvest, almost 60% of banana biomass remains as waste. Around 114.08 million tons of banana waste is generated worldwide, leading to environmental issues such as excess greenhouse gas emissions. Banana waste, especially the peel, could be a useful alternative source of value-added products such as fiber, bioactive components and essential minerals. When consuming fruits and vegetables, the inedible parts need to be discarded, creating challenges such as waste management and environmental pollution. The fibrous peel is a tasty food, although it has a slightly bitter taste. They are rich in fibre, antioxidants, polyphenols, essential minerals like potassium, provitamin A, carotenoids, starch and non-starch polysaccharides like B1, B2 and C, which play a dietary role in human health. Jackfruit seeds have good nutritional value and are useful in producing healthy and nutritious food. Nutrient composition reveals that jackfruit seeds contain moisture 21.10-71.92%, fibre 1.56-3.96%, ash 2.12-0.89%, protein 10.09-18.12% and fat 4.29%. The objective of this study was to find out whether Musasava banana skin flour (BPF) and jackfruit seed flour are suitable as substitutes for maida flour in making waffle cones. Here, different percentages of BPF and JSF were combined to replace maida in different percentages and the results were checked. These different percentages of maida substitutes will give the best results in case of bulk waffle preparation and nutritional analysis. 100% maida waffle cone was considered as the control and used for comparison with a cone prepared from a combination of 40% JSF as maida substitute and 10% BPF as maida substitute and this waffle preparation had 50% additional maida making up the rest. Jackfruit seed flour and banana peel flour have high water and oil absorption capacity and hence can be used as a complete or partial replacement for maida in other value added foods. The permeability of ice cream in the waffles was checked at certain time and temperature intervals. Nutritional analysis of the waffles showed protein 5.8%, fat 0.86%, sugar 40.15%, fibre 1.08%, ash 0.26%, pH 6.8 and moisture 6.48%.
Eight New Substellar Hyades Candidates from the UKIRT Hemisphere Survey
Authors: Schneider Adam C. , Cushing Michael C. , Stiller Robert A. , Munn Jeffrey A. , Vrba Frederick J. , Bruursema Justice , Williams Stephen J. , Liu Michael C. , Bravo Alexia , Faherty Jacqueline K. , Rothermich Austin , Calamari Emily , Caselden Dan , Kabatnik Martin , Sainio Arttu , Bickle Thomas P. , Pendrill William , Stevnbak Andersen Nikolaj , Thévenot Melina
Published: September 2024

We have used the UKIRT Hemisphere Survey combined with the UKIDSS Galactic Cluster Survey, the UKIDSS Galactic Plane Survey, and the CatWISE2020 catalog to search for new substellar members of the nearest open cluster to the Sun, the Hyades. Eight new substellar Hyades candidate members were identified and observed with the Gemini/GNIRS near-infrared spectrograph. All eight objects are confirmed as brown dwarfs with spectral types ranging from L6 to T5, with two objects showing signs of spectral binarity and/or variability. A kinematic analysis demonstrates that all eight new discoveries likely belong to the Hyades cluster, with future radial velocity and parallax measurements needed to confirm their membership. CWISE J042356.23+130414.3, with a spectral type of T5, would be the coldest (T
eff ≈ 1100 K) and lowest-mass (M ≈ 30 M
Jup) free-floating member of the Hyades yet discovered. We further find that high-probability substellar Hyades members from this work and previous studies have redder near-infrared colors than field-age brown dwarfs, potentially due to lower surface gravities and supersolar metallicities.
Nitrogen Abundance Distribution in the Inner Milky Way
Authors: Pineda Jorge L. , Horiuchi Shinji , Anderson L. D. , Luisi Matteo , Langer William D. , Goldsmith Paul F. , Kuiper Thomas B. H. , Fischer Christian , Gong Yan , Brunthaler Andreas , Rugel Michael , Menten Karl M.
Published: September 2024

We combine a new Galactic plane survey of hydrogen radio recombination lines (RRLs) with far-infrared surveys of ionized nitrogen, N+, to determine nitrogen abundance across Galactic radius. RRLs were observed with the NASA Deep Space Network Station 43 70 m antenna and the Green Bank Telescope in 108 lines of sight spanning −135°< l < 60°, at b = 0°. These positions were also observed in [N ii] 122 μm and 205 μm lines with the Herschel Space Observatory. Combining RRL and [N ii] 122 μm and 205 μm observations in 41 of 108 samples with high signal-to-noise ratio, we studied the ionized nitrogen abundance distribution across Galactocentric distances of 0–8 kpc. Combined with existing solar neighborhood and outer Galaxy N/H abundance determinations, we studied this quantity’s distribution within the Milky Way’s inner 17 kpc for the first time. We found a nitrogen abundance gradient extending from Galactocentric radii of 4–17 kpc in the Galactic plane, while within 0–4 kpc the N/H distribution remained flat. The gradient observed at large Galactocentric distances supports inside-out galaxy growth, with the additional steepening resulting from variable star formation efficiency and/or radial flows in the Galactic disk, while the inner 4 kpc flattening, coinciding with the Galactic bar’s onset, may be linked to radial flows induced by the bar potential. Using SOFIA/FIFI-LS and Herschel/PACS, we observed the [N iii] 57 μm line to trace doubly ionized gas contribution in a subsample of sight lines. We found negligible N++ contributions along these sight lines, suggesting mostly singly ionized nitrogen originating from low-ionization H ii region outskirts.
A Statistical Analysis of Crab Pulsar Giant Pulse Rates
Authors: Doskoch Graham M. , Basuroski Andrea , Halley Kriisa , Sookram Avinash , Rodriguez-Ramos Iliomar , Nahata Valmik , Rahman Zahi , Zhang Maureen , Uhlmann Ashish , Lynch Abby , Lewandowska Natalia , Miranda Nohely , Schmiedekamp Ann , Schmiedekamp Carl , McLaughlin Maura A. , Reichart Daniel E. , Haislip Joshua B. , Kouprianov Vladimir V. , White Steve , Ghigo Frank , Heatherly Sue Ann
Published: September 2024

A small number of pulsars are known to emit giant pulses (GPs), single pulses much brighter than average. Among these is PSR J0534+2200, also known as the Crab pulsar, a young pulsar with high GP rates. Long-term monitoring of the Crab pulsar presents an excellent opportunity to perform statistical studies of its GPs and the processes affecting them, potentially providing insight into the behavior of other neutron stars that emit bright single pulses. Here, we present an analysis of a set of 24,985 Crab GPs obtained from 88 hr of daily observations at a center frequency of 1.55 GHz by the 20 m telescope at the Green Bank Observatory, spread over 461 days. We study the effects of refractive scintillation at higher frequencies than previous studies and compare methods of correcting for this effect. We also search for deterministic patterns seen in other single-pulse sources, possible periodicities seen in several rotating radio transients and fast radio bursts, and clustering of GPs like that seen in the repeating fast radio burst FRB 121102.
Fermi and eROSITA Bubbles as Persistent Structures of the Milky Way
Authors: Shimoda Jiro , Asano Katsuaki
Published: September 2024

The Fermi and eROSITA bubbles (FBs and eRBs), large diffuse structures in our Galaxy, can be the by-products of steady star formation activity. To simultaneously explain the star formation history of the Milky Way (MW) and the metallicity of ∼Z
⊙ at the Galactic disk, a steady Galactic wind driven by cosmic rays (CRs) is required. For tenuous gases with a density of ≲10−3 cm−3, CR heating dominates over radiative cooling, and the gas can maintain the virial temperature of ∼0.3 keV, ideal for escape from the Galactic system as the wind. A part of the wind falls back onto the disk like a Galactic fountain flow. We model the wind dynamics according to the Galactic evolution scenario and find that the scale height and surface brightness of the X-ray and the hadronic gamma-ray emissions from such fountain flow region can be consistent with the observed properties of the FBs and eRBs. This implies that the bubbles are persistent structures of the MW existing over (at least) the last ∼1 Gyr rather than evanescent structures formed by nontrivial, ∼10 Myr past Galactic center transient activities.
Observations of Kappa Distributions in Solar Energetic Protons and Derived Thermodynamic Properties
Authors: Cuesta M. E. , Cummings A. T. , Livadiotis G. , McComas D. J. , Cohen C. M. S. , Khoo L. Y. , Sharma T. , Shen M. M. , Bandyopadhyay R. , Rankin J. S. , Szalay J. R. , Farooki H. A. , Xu Z. , Muro G. D. , Stevens M. L. , Bale S. D.
Published: September 2024

In this paper, we model the high-energy tail of observed solar energetic proton energy distributions with a kappa distribution function. We employ a technique for deriving the thermodynamic parameters of solar energetic proton populations measured by the Parker Solar Probe Integrated Science Investigation of the Sun EPI-Hi high-energy telescope, over energies from 10 to 60 MeV. With this technique, we explore, for the first time, the characteristic thermodynamic properties of the solar energetic protons associated with an interplanetary coronal mass ejection (ICME) and its driven shock. We find that: (1) the spectral index or, equivalently, the thermodynamic parameter kappa of solar energetic protons (κ
EP) gradually increases, starting from the pre-ICME region (upstream of the CME-driven shock), reaching a maximum in the CME ejecta (κ
EP ≈ 3.5), followed by a gradual decrease throughout the trailing portion of the CME; (2) the solar energetic proton temperature and density (T
EP and n
EP) appear anticorrelated, a behavior consistent with subisothermal polytropic processes; and (3) values of T
EP and κ
EP appear to be positively correlated, indicating an increasing entropy with time. Therefore, these proton populations are characterized by a complex and evolving thermodynamic behavior, consisting of multiple subisothermal polytropic processes, and a large-scale trend of increasing temperature, kappa, and entropy. This study and its companion study by Livadiotis et al. open up a new set of procedures for investigating the thermodynamic behavior of energetic particles and their shared thermal properties.
Optimizing target and diaphragmatic configuration, and dosimetric benefits using continuous positive airway pressure in stereotactic ablative radiotherapy for lung tumors
Authors: Park Jung Bin , Lee Joo Ho , Chang Ji Hyun , Son Jaeman , Kwon Seho , Choi Su Yun , Shin Hyun-Woo , Yu Tosol , Kim Hak Jae
Published: September 2024

Purpose: This study aimed to evaluate the impact of facilitating target delineation of continuous positive airway pressure (CPAP) in patients undergoing stereotactic ablative radiation therapy (SABR) for lung tumors by lung expansion and respiratory motion management.Materials and Methods: We performed a prospective single-institutional trial of patients who were diagnosed with either primary lung cancer or lung metastases and received SABR with a dose of 40 to 60 Gy in 4 fractions. Four-dimensional computed tomography simulations were conducted for each patient: once without CPAP and again with CPAP. Results: Thirty-two patients with 39 tumors were analyzed, after the withdrawal of five patients due to discomfort. For 26 tumors separated from the diaphragm, CPAP significantly increased the superoinferior distance between the tumor and the diaphragm (5.96 cm vs. 8.06 cm; p < 0.001). For 13 tumors located adjacent to the diaphragm, CPAP decreased the overlap of planning target volume (PTV) with the diaphragm significantly (6.32 cm3 vs. 4.09 cm3; p = 0.002). PTV showed a significant reduction with CPAP (25.06 cm3 vs. 22.52 cm3, p = 0.017). In dosimetric analyses, CPAP expanded lung volume by 58.4% with a significant reduction in mean dose and V5 to V40. No more than grade 2 adverse events were reported.Conclusion: This trial demonstrated significant improvement of CPAP in target delineation uncertainties for lung SABR, with dosimetric benefits, a favorable safety profile and tolerability. Further investigation is warranted to explore the role of CPAP as a novel strategy for respiratory motion management.