bluuebunny/crossref_metadata_2025 huggingface dataset:
DESIGN AND CONSTRUCTION OF POWER MONITORING AND CIRCUIT BREAKER DEVICES FOR PLN CUSTOMERS BASED ON IoT
Authors: Sagita Rochman  , Afif Nuril Musthofa  , Muchammad Rizky Firmansyah
Published: December 2024

Abstract-Along with the modern Indonesian society's need for electricity consumption, the level of electricity consumption continues to increase. Electricity consumption among postpaid PLN customers with single-phase connections is often poorly regulated due to inadequate monitoring of power usage and frequent payment delays between the 1st and 20th of each month. This study involved the development of a monitoring device designed to track power usage for single-phase PLN customers. Additionally, an electricity circuit breaker was created that can be controlled remotely via the officer's smartphone. This monitoring system uses PZEM-0004T as the sensor. The voltage, current, power and energy data will be read by the sensor and then sent by the ESP8266 to the Internet of Things (IoT) based Blynk Website. This breaker tool uses a relay as an electrical circuit breaker on the customer side. With this tool, it is possible to reduce illegal use of PLN electricity and reduce the number of arrears in customer electricity bill payments to PLN
Keywords: Electrical Power Monitoring, PZEM-004T, Internet of Things (IoT), Breaking Device
Gastroenterite Aguda: Uma Abordagem Completa sobre a Definição, Epidemiologia, Quadro clinico e Tratamento
Authors: Nagamine Maria Fernanda , Brostel Lucas , Nogueira Xisto Vieira Vinícius , Teixeira Marques Murilo , Trombetta Marihá Thaís , Mendes de Souza Amanda , Barros Ribeiro Ana Clara , Vieira Furtado Silva Álvaro , Borges Rêgo Isabelle , De Oliveira Andrade Felipe , Matos de Oliveira Carvalho Heryka , Duarte Rodrigues Almeida João Victor , Portilho Carvalho Ana Laura , Beltrami Ana Carolina , Popp de Oliveira Moisés
Published: December 2024

Introdução: A gastroenterite aguda (GEA) é uma doença inflamatória e infecciosa do trato gastrointestinal que corresponde a um dos principais motivos de busca pela Atenção primária. Apesar de autolimitada em sua maioria, pode ocasionar graves complicações, sendo a principal a desidratação. Metodologia: Trata-se de uma revisão de litetura sobre o tema Gastroenterite Aguda, na qual foi realizada uma busca por artigos entre os anos de 2017 e 2024, nas bases de dados Google Acadêmico, PubMed e LILACS via Biblioteca Virtual em Saúde (BVS). Resultados: A GEA é uma infecção que provoca inflamação no trato gastrointestinal, resultando em diarreia, vômitos e cólicas abdominais. Os principais agentes causadores incluem os agentes virais, além de bactérias e outros parasitas. A GEA possui diversas apresentações e suas manifestações clínicas variam de acordo com o agente etiológico em questão. O tratamento inicial deve focar nos sintomáticos e na prevenção da desidratação. O Ministério da Saúde propõe um fluxograma com quatro etapas de avaliação para seguimento clínico, com distribuição em planos A, B ou C. Considerações finais: A revisão enfatiza que a gastroenterite aguda (GEA) continua a ser um desafio de saúde pública, exigindo intervenções especializadas. A reidratação oral é crucial para prevenir a desidratação e aliviar sintomas. Além disso, uma anamnese cuidadosa e um exame físico detalhado são fundamentais para o tratamento adequado.
Anti-tumor effect of metformin in oncological patients: a systematic review
Authors: Oliveira Rafaela Korb de , Prieto Gabriel Barbosa , Da Cruz Silva Vinícius , Stoll Bavaresco Pedro , Portugal Alves Natã , Queiroz Diogo Albino de , Queiroz Eveline Aparecida Isquierdo Fonseca de
Published: December 2024

Metformin, a first-line drug used to treat patients with type 2 diabetes mellitus, has been studied for its metabolic, antiproliferative and pro-apoptotic effects in cancer patients. This study aimed to carry out a systematic review evaluating the effect of this drug in cancer patients, as well as to evaluate the clinical results obtained in cancer patients who used metformin independently or in association with other antineoplastic agents and to verify the possible mechanisms of action of metformin in tumor cells. Thus, a systematic review was carried out according to the protocol present in PRISMA, where the search string was defined using the PICOS approach. Articles in English and Portuguese, published from January 2002 to December 2022 in the following databases were selected: PubMed, Scielo, Lilacs, ScienceDirect, Springer and Wiley. 1,322 articles were identified through the search string and after excluding duplicate articles, it resulted in 1,311 articles for title and abstract reading. Next, 25 articles were included for complete reading and after the final analysis, 14 articles were included in the review. The selected articles indicate the potential effect of metformin in cancer patients, as well as better overall survival and disease-free survival. It was observed that metformin can exert its antiproliferative effect directly on tumor cells by activating the AMPK (AMP-activated protein kinase) enzyme which inhibits the mTOR (mammalian target of rapamycin) signaling pathway that is responsible for growth and cell proliferation. Furthermore, it was observed that metformin can act indirectly, which reduces circulating insulin levels and improves insulin sensitivity. Thus, it can be concluded that metformin has a significant antitumor effect in cancer patients, improving their overall survival, without triggering relevant adverse effects. The data demonstrate the potential antitumor effect of metformin both alone and in combination with other antineoplastic drugs.
Addressing Treatment Abandonment in Pediatric Oncology: The Role of Missed Appointment Call-Back Systems in a Pakistani Setting
Authors:   Department of Paediatric Haematology Oncology, Indus Hospital and Health Network, Karachi., Tahirkheli Neelum
Published: December 2024

Objective: To evaluate the effectiveness of a missed appointment call-back system in reducing treatment abandonment rates at a tertiary care hospital in Pakistan.
Methods: This cross-sectional study was conducted in the Pediatric Hematology and Oncology Department of Indus Hospital and Health Network from April to September 2023. The study included children aged 1 month to 16 years diagnosed with cancer and receiving curative treatment. A call-back system was introduced, contacting patients within 48 hours of a missed appointment to address their absence and reschedule. Treatment abandonment was defined as missing clinic visits for 4 weeks.
Results: Of 389 children, the mean age was 6.8 ±4.0 years. There were 258 (66.3%) males and 131 (33.6%) females. Treatment abandonment was observed in 26 (6.7%) patients. The likelihood of treatment abandonment was 6 times significantly higher in children who did not respond to the call than those who did respond (cOR 6.27, 95% CI 2.69 to 14.59, p-value <0.001). Similarly, children who missed rescheduled appointments had 8 times higher chances of treatment abandonment than those who attended (cOR 8.11, 95% CI 3.30 to 19.92, p-value <0.001). Among 26 treatment abandonment children, the most common reason of missed appointment was financial issue 10 (38.5%) followed by forget appointment 7 (26.9%), attending school 6 (23.1%), and long distance 3 (11.5%).
Conclusion: Treatment abandonment was low as 6.7%. Children who did not respond to call-backs or missed rescheduled appointments were significantly more likely to abandon treatment. The call-back system is effective in reducing abandonment rates in pediatric oncology.
Prevalence and Associated Risk Factors of Retinopathy of Prematurity in Preterm Infants: A Cross-Sectional Study
Authors:   National Institute of Child Health, Jinnah Sindh Medical University, Karachi, Pakistan., Kumari Manisha
Published: December 2024

Objective: To determine the prevalence of Retinopathy of Prematurity (ROP) and its associated risk factors in preterm infants at the National Institute of Child Health (NICH), Karachi, Pakistan.
Methods: This cross-sectional study was conducted in the neonatal intensive care unit (NICU) department of NICH, Karachi, Pakistan from September 2020 to March 2021. The study included preterm infants with a gestational age under 32 weeks, admitted to the NICU at the NICH, Karachi. ROP was diagnosed by indirect ophthalmoscopy following pupil dilation, performed by a trained ophthalmologist. Risk factors were assessed based on preterm infants' age, gestational age, residence, gender, maternal education, sepsis, respiratory distress syndrome (RDS), anemia, oxygen dependency duration, and mechanical ventilation.
Results: Of total 310 preterm infants, the mean age was 5.73 ±1.49 days. There were 184 (59.3%) males and 126 (40.6%) females. ROP was observed in 139 (44.8%) preterm infants. Binary logistic regression indicated significantly increased ROP risk in infants of illiterate mothers (aOR 3.31, 95% CI 1.08 to 10.17, p-value 0.036), those with family income ≤ 45,000 rupees (aOR 3.70, 95% CI 1.40 to 9.76, p-value 0.008), and reduced risk in female infants (aOR 0.12, 95% CI 0.04 to 0.31, p-value <0.001), infants on oxygen ≤ 4 days (aOR 0.04, 95% CI 0.01 to 0.12, p-value <0.001), and NICU stay ≤ 12 days (aOR 0.02, 95% CI 0.01 to 0.08, p-value <0.001).
Conclusion: Nearly half of the preterm neonates were affected by ROP, with contributing factors including maternal illiteracy, low family income, prolonged oxygen dependency, and extended NICU stays.
La interculturalidad como herramienta que promueve la inclusión social de infancias indígenas en contextos penitenciarios
Authors: Salgado Vargas Christian Karel , Ruíz Daniela Velázquez
Published: December 2024

El presente artículo aborda la problemática que viven las infancias indígenas con un padre, madre o referente en prisión. Al ser un grupo considerado con altos niveles de vulnerabilidad per se, enfrentan desafíos que acentúan las desigualdades manifestadas en múltiples dimensiones, exacerbadas por la pobreza y la marginación, lo que impide que muchos niños y niñas indígenas puedan gozar de sus derechos fundamentales.
De la misma forma, la falta de reconocimiento e integración de su cultura y el respeto a sus lenguas contribuye a su exclusión social, generando un ciclo de desventajas que afecta no solo su desarrollo individual, sino también la continuidad de sus tradiciones y modos de vida. La situación de estas infancias requiere atención urgente, y merecen especial atención los casos que presentan más agravantes, donde se condiciona y limita la posibilidad de crecer en un ambiente libre de violencias y sin la oportunidad de tomar decisiones de vida.
Estudio exploratorio de la diversidad bacteriana oral en madres, niñas y niños en CPRS del Estado de México en el contexto de crianza en prisión. Enfoque previo a estudios metagenómicos
Authors: Manzanares-Leal Gauddy Lizeth , Ramírez Durán Ninfa
Published: December 2024

Los centros penitenciarios del Estado de México albergan a mujeres con hijas e hijos de hasta 3 años, pero las instalaciones suelen ser inadecuadas para esta población vulnerable. Esta población suele carecer de productos básicos de higiene y reciben alimentación precaria, factores que en entornos cerrados y hacinados aumentan el riesgo de enfermedades. La cavidad bucal, importante para la salud humana, alberga una microbiota que influye en el desarrollo endocrino, nutricional e inmunológico. Este estudio tuvo como objetivo explorar la microbiota bacteriana oral de 19 mujeres en prisión y sus hijos e hijas, así como de cinco mujeres embarazadas en cinco Centros Penitenciarios. Se obtuvieron hisopados bucales, de los cuales se aislaron 42 cepas, incluyendo bacterias y levaduras. Ocho cepas bacterianas representativas se sometieron a secuenciación del gen 16S rRNA, identificándose ocho especies bacterianas clave. Este estudio pionero ofrece información relevante sobre la microbiota oral en un contexto de crianza en prisión, señalando la necesidad de estudios metagenómicos futuros.
La responsabilidad social de la investigación científica universitaria: la experiencia de las cátedras de investigación en la UAEMEX
Authors: Zarza Delgado Martha Patricia
Published: December 2024

El objetivo principal de este ensayo es realizar una breve reseña de la institucionalización de la ciencia en México para identificar el proceso de consolidación que ha tenido, pero principalmente para reconocer los retos que presenta la investigación científica y tecnológica en nuestro país, pero de manera particular en la Universidad Autónoma del Estado de México. Al respecto, se describe, de forma muy general, una de las estrategias que la uaemex ha implementado para atender los desafíos prioritarios del contexto mexicano. Tal estrategia se refiere a la creación de las cátedras de investigación a través de las cuales se favorece el intercambio de conocimiento mediante el diálogo entre disciplinas, la vinculación de la investigación científica con otros sectores sociales para generar lazos de colaboración, la investigación participativa, así como el desarrollo de proyectos con una alta incidencia social.
The attitude towards other species in biodesign: an analysis of different frameworks
Authors: Strobel do Nascimento Elisa , Heemann Adriano
Published: December 2024

Biodesign refers to, among other things, the design with other living organisms and systems. This paper aims to reflect upon and discuss humans' relationships with other species in biodesign - drawing on the analysis of existing frameworks that organise it. The questions that drive the discussion are: (I) What are the biodesign organising frameworks? and (II) What do these frameworks say about how humans relate to other species in biodesign? Seven frameworks were analysed, resulting from systematic and narrative literature reviews. The analysis reveals different attitudes towards other species. We argue that biodesign might not be a collaboration. This is an expanded version of an XI ENSUS 2024 conference paper.
Você-sabe-quem vai desfilar no Bicentenário da Independência do Brasil: uma análise das imagens do coletivo Design Ativista no sete de setembro de 2022
Authors: Ronsoni Vinicius , Prado Gheysa Caroline
Published: December 2024

Este artigo tem por objetivo compreender como se deu a construção de visibilidades em torno das figuras de Bolsonaro e seus apoiadores nos materiais veiculados na campanha “Circuito Eleições 2022” proposta pelo coletivo Design Ativista no Instagram. A partir de uma pesquisa documental de caráter qualitativo e exploratório, acessamos e analisamos documentos imagéticos e textuais oriundos da série “Sete de Setembro”, uma das séries trabalhadas na pesquisa do mestrado e pertencente a campanha abordada. Ao final, percebemos o uso da ironia e da mobilização de temporalidades como estratégias para a construção de visibilidades atreladas a um discurso antidemocrático e de ineficácia política em torno das figuras referenciadas. O presente texto trata-se de uma expansão do artigo apresentado no 3º Seminário de Pesquisa do PPGDesign UFPR, sob o título “Verde, Amarelo e Aquele-que-não-deve-ser-nomeado: disputas e visibilidades nas imagens de Sete de Setembro de 2022 do coletivo Design Ativista”.
Contribuições do design afetivo para a sustentabilidade no design de produtos: uma revisão
Authors: Caetano da Silva Erik Felipe , Jacques de Jacques Jocelise , Fischer Brendler Clariana
Published: December 2024

A sustentabilidade e a durabilidade dos produtos têm sido temas centrais no campo do Design, especialmente em relação ao ciclo de vida dos produtos. Este artigo busca identificar na literatura como vínculos afetivos, respostas emocionais e prazer influenciam a interação entre consumidores e produtos, impactando diretamente sua longevidade, sob a perspectiva da sustentabilidade. Adotando uma metodologia de revisão integrativa, foi possível sintetizar e analisar detalhadamente descobertas de estudos anteriores sobre o tema. O estudo destaca três categorias distintas: desenvolvimento de métodos, modelos e ferramentas; dispositivos tecnológicos inteligentes; e moda com ênfase em aspectos estéticos e simbólicos. Com isso, enfatiza-se a importância de uma abordagem holística que integre aspectos emocionais, sociais e ambientais na criação de soluções de design mais sustentáveis e duráveis.
A STUDY ON SPENDING BEHAVIOUR THROUGH ONLINE AMONG POSTGRADUATE STUDENTS OF BHARATHIAR UNIVERSITY, COIMBATORE
Authors: Dr. R. Manikandan  , K. Sowmitha  , Dr. N. Vidhya
Published: December 2024

Online spending behavior refers to the various ways consumers purchase goods and services over the Internet. This phenomenon has shown remarkable growth, with significant social and economic impacts, particularly among younger demographics. Online shopping has become integral to daily life, especially for college students who often seek convenience and variety in their purchasing decisions. This study specifically investigates the online spending behaviour of postgraduate students at Bharathiar University, aiming to gain insights into their shopping preferences and expenditure patterns. A proportionate random sampling method was employed, gathering 75 samples from the Arts and Science departments to ensure a representative overview of the student population. Descriptive statistics and the chi-square method were utilized for data analysis. The findings reveal that the frequency of online purchases is a key factor influencing spending behavior. Students predominantly purchase dresses and gadgets, indicating a preference for fashion and technology. On average, students reported spending approximately Rs. 4,074.59 over a semester, which spans six months. This study highlights the growing trend of online shopping among postgraduate students, showcasing their adaptability to digital marketplaces and the importance of understanding their spending habits for businesses targeting this demographic.
KEYWORDS: Spending Behaviour, Bharathiar University, Online Shopping, postgraduate students, digital marketplace
Pengaruh Budaya Barat dalam Dinamika Perkembangan Cerpen Mesir
Authors: Fariz Ilman , Ibad Ahmad Ibnu
Published: December 2024

This article discusses the dynamics of the development of Arabic short stories in Egypt. The research aims to explore the influence of Western culture on the evolution of short stories in Egypt. This is based on the fact that Arabic short stories, particularly in Egypt, have a unique development history compared to other literary forms. Before reaching their ideal form as known today, Arabic short stories existed primarily as maqamat. With the introduction of Western culture, the development of short stories progressed rapidly. This research employed a descriptive qualitative methodology by using a literature review approach. The data analysis process in this study consists of three stages: reduction, discussion, and conclusion. The results of this study are as follows: first, the short story is a relatively new form of prose in the Arab world. Second, the themes of Arab short stories, especially in Egypt, often focus on social issues. Third, the language style of short story writer is a blend of Fusha and 'Amiyah. Fourth, the influence of Western literary genres such as realism, surrealism, and romanticism in Arabic short stories. This influence can be traced in the works of Egyptian short story writers. Fifth, political-colonial and economic factors are among the main reasons for the influence of the West in Arabic literature.

Keywords – Arabic Short Story, Development, Western Culture.
PENYELESAIAN HUBUNGAN INDUSTRIAL YANG DIGUNAKAN OLEH BURUH/PEKERJA DALAM MENYELESAIKAN PERSELISIHAN HUBUNGAN INDUSTRIAL
Authors: Lesza Leonardo Lombok
Published: December 2024

Hubungan Industrial adalah suatu sistem atau jasa yang terdiri dari unsur Pengusaha, pegawai dan unsur pemerintah berdasarkan nilai-nilai Pancasila dan Undang-Undang Dasar Negara Republik Indonesia Tahun 1945, (Pasal 1 Ayat 22 UU Ketenagakerjaan). Penyelenggaraan Hubungan Industrial diatur dalam bentuk ketentuan, baik ketentuan normatif maupun ketentuan peraturan perundang-undangan yang ada. Perselisihan Hubungan Industrial, suatu keadaan dimana adanya perbedaan pendapat yang mengakibatkan terjadinya benturan kepentingan antara pengusaha dan pekerja karena adanya perselisihan hak, kepentingan, Pemutusan Hubungan Kerja ("PHK") atau perjanjian kerjasama. SBSI (Serikat Buruh Sejahtera Indonesia) adalah salah satu serikat pekerja/buruh yang fokus menuntaskan benturan hubungan industrial yang dialami oleh para anggotanya baik melalui jalur yudisial maupun non hukum.
Вплив термічної обробки на механічні властивості і мікроструктуру доевтектоїдної сталі для гарячої обробки тиском
Authors: Diachenko Yurii , Fedorov Mykola , Liutyi Rostislav
Published: December 2024

Дьяченко Ю. Г., Федоров М. М., Лютий Р. В. Вплив термічної обробки на механічні властивості і мікроструктуру доевтектоїдної сталі для гарячої обробки тиском
Розглянуто процес формування аустенітної структури при безперервному нагріванні доевтектоїдної сталі для горячої обробки тиском з вихідною ферито-перлітною структурою. Обґрунтовано вибір оптимальної температури гартування залежно від необхідного рівня механічних властивостей у готових виробах. Використано метод пробних гартувань для вивчення процесу формування аустенітної структури, металографічний метод досліджень для виявлення мікроструктур та хімічне травлення. Проведено визначення міцності і ударної в'язкості низьковуглецевої сталі після гартування у воді з температур 700...900 °С. Показано, при нагріві доевтектоїдної сталі перекристалізація початкової ферито-перлітної структури відбувається в інтервалі Ас1 – Асз у дві стадії. Перша стадія полягає в утворенні зерен аустеніту усередині раніше розташованих зерен перліту. Вона відбувається відразу після досягнення температури Ас1. Друга стадія полягає в подрібненні зерен первинного фериту шляхом зародження в них зерен аустеніту і дробленні зерен фериту шляхом проникнення в них зерен аустеніту, що утворилися на першій стадії перекристалізації. Завершується перекристалізація з моменту повного зникнення зерен первинного фериту. Для отримання високого комплексу механічних властивостей з максимальним рівнем ударної в'язкості сталь слід гартувати з температури АсЗ – 10 оC; з максимальним рівнем властивостей міцності, відповідно, з Асз + 10оС. Отримані данні можуть бути використані для режимів термічної обробки доевтектоїдних сталей, що дозволить суттєво підвищити її стійкість в умовах змінного і багаторазового нагрівання і охолодження робочого шару при гарячій обробці тиском.
Big Data and Netnography Analysis of Mental Health on Twitter/X: Evidence From Indonesia
Authors: Mutia Tika , Suminar Jenny Ratna , Dida Susanne , Agustin Herlina
Published: December 2024

Digital traces of mental health conversations on social media X have become a new culture, especially for the young generation. This study aimed to explain the network, themes and comment of social media discussion posts about mental health in Indonesia. This study has focused on each conversation in the form of tweets using big data analysis from posts with containing keyword related and specific criteria on the theme of mental health. This research was collected 15,200 mental health-themed discussions on X. Further, the researcher conducted a selection based on engagement and specific criteria through the NoLimit tool in 2021. A total of 4969 threads were analyzed further. As a result, researchers found a network that formed 3 clusters, namely the Stress cluster, Depression cluster, and Bipolar cluster. Apart from that, three big themes were found that represent every conversation on social media X in Indonesia, namely, (1) The Story of Survivors, (2) Mental Health as a Trend and Fashion, (3) Stress, Anxiety, or just a Gerd? Through the study of netnography, it is revealed that social media serves as a community's backbone while also perpetuating stigma related to mental health issues. Mental health in Indonesia is still an issue that does not get serious attention, even though the number of cases of mental disorders continues to increase.
A Way to Internet Collect Data, 'Related to a Specific Subject'. The Special Case: For Albanian Agritourism Users Data
Authors: Deda Gjovalin , Zaka Orgest
Published: December 2024

In this paper, we will present the way to collect the data related to agrotourism destinations (AGT) in Albania. In the last years, there has been an increase in their number. AGT in our country continuously uses various social media platforms, such as Facebook, Booking, Instagram, etc. there is a lot of data that is not centred, and often contradictory or even incorrect, and very scattered about these websites. This makes it difficult for interest groups (tourists, suppliers, etc.) to easily find information on different AGTs in Albania. What these AGT destinations have in common is that they put their location on Google Maps along with other details, such as business name, their website if they have one, booking methods, contact numbers, etc. Other real data such as the star ratings of visitors and their comments or other information are created and enriched over time. In this paper, we aim to have this information grouped and systematized in such a way that we can analyze and study them. Through this paper, we offer a solution by developing algorithms and scripts that will make it possible to collect and systematize data in a single database and systematically analyze such distributed data for Agrotourism in Albania.
Agrarian Reform: Implementation and Exploration of Land Conflicts in Several Countries (A Bibliometric and Content Analysis of International Research on the Agrarian Reform Concept)
Authors: Permadi Iwan , Azizi Irham
Published: December 2024

The disparity in the structure of land control which leads to agrarian disputes becomes a continuous discussion in the history of land tenure and land ownership in Indonesia. This research employed the bibliometric analysis and the content analysis of international research on agrarian law to provide a more holistic illustration of the latest research trends in the field of agrarian law. The problems of this research are, "Based on the bibliometric analysis, how do various countries regulate agrarian reform?" and "Based on the content analysis, how do various countries explore the resolution of land conflicts through agrarian reform?" This was normative research that employed the statute approach, the conceptual approach, and the comparative approach. This research utilized the VosViewer application to undergo bibliometric analysis from the data extracted from research database sources. The co-word analysis was employed by using keywords that emerged along with the article. Results showed that Article 33 of the Republic of Indonesia’s 1945 Constitution explains that the state must provide the greatest guarantee of societal welfare. The agrarian reform that is currently applied with several policies that were issued with the enactment of the Law on Job Creation has concerns about the existence of a paradigm that the existence of land is only for the interest of development and investors without paying attention to the needs of society. Various countries have agrarian issues with different backgrounds of problems that may be concluded into four issues, namely the failure in implementing the agrarian reform; the disparity in land ownership; limitations in handling issues of land ownership, and agrarian justice; as well as unjust political intervention.
Multi-Objective Optimization for Load Balancing and Trading Scheduling in Networked Microgrids
Authors: Rehman Muhammad Atiq Ur , Rivera Sergio , Khan Muhammad Sajjad , Abdullah Suheel
Published: December 2024

Renewable energy resources are considered an integral part of networked microgrids. Networked microgrids provide an optimal solution for stable and reliable energy to the end consumers even in case of its islanded mode of operation. There are several explicit analytical mathematical formulations for optimization of operations of networked microgrids including load balancing and trade scheduling of energy. Mostly, the scheduling problem in networked microgrids is the job of distribution operators to use common scheduling tools. In this paper, we present the mathematical formulation of multi-objective cost functions and their optimization by using the multi-objective particle swarm optimization (MOPSO) algorithm. Multi-objective cost functions and duality gap are designed and then the problem is solved by introducing MOPSO which has more than one objective function. The total energy cost function is then optimized in order to get swarm swarm-optimal solution. This algorithm computed the local energy generation and demand of each networked microgrid and made the decision of what energy is needed to buy or sell supported by each iteration of the operation of networked microgrids. We used an optimization formulation and its dual conception in order to propose the problem as a multi-objective formulation. The proposed method can deal with convex and nonconvex cost functions. In the case of non-convex functions, we have used the uncertainty cost functions for renewable sources attached to the networked microgrids.
BRAND: Brand recognition and attitude norms database
Authors: Raffaelli Carolina , Bocchi Elena , Estes Zachary , Adelman James S.
Published: December 2024

Research involving brands has increased substantially in recent decades. However, no extensive and free dataset of consumer responses to branding stimuli exists. The present research develops and validates such a dataset, which we call the Brand Recognition and Attitude Norms Database (BRAND). BRAND is the most comprehensive set of methodologically transparent, freely available, research-relevant consumer responses to branding stimuli, with measures of familiarity (awareness), liking (attitudes), and memory (recognition) of more than 500 top brands and their logos, spanning 32 industries. BRAND includes 5,356 primary datapoints aggregated from 244,400 raw datapoints (i.e., individual familiarity, liking, and memory responses) collected from 2000 US-resident consumers in 2 years (i.e., 2020 and 2024). The data exhibit good reliability, face validity, external validity, robustness across samples and time, cross-validity, and discriminant validity. BRAND can be broadly useful for testing hypotheses involving responses to brands, and for selecting stimuli in any study involving brands or logos. Thus, BRAND can facilitate research not only in consumer behavior and psychology but also in several related academic disciplines (e.g., economics, management, marketing).
Biomimetic nanocarriers: integrating natural functions for advanced therapeutic applications
Authors: Perini Hugo Felix , Matos Beatriz Sodré , de Oliveira Carlo José Freire , da Silva Marcos Vinicius
Published: December 2024

Biomimetic nanocarriers, engineered to mimic the characteristics of native cells, offer a revolutionary approach in the treatment of various complex human diseases. This strategy enhances drug delivery by leveraging the innate properties of cellular components, thereby improving biocompatibility and targeting specificity. Biomimetic nanocarriers demonstrate significant advancements in drug delivery systems against cancer therapy, Alzheimer's disease, autoimmune diseases, and viral infections such as COVID-19. Here, we address the therapeutic applications of biomimetic nanocarriers and their promising strategy for personalized medicine.
Efficient synthesis of fluorinated triphenylenes with enhanced arene–perfluoroarene interactions in columnar mesophases
Authors: Chen Yang , He Jiao , Lin Hang , Wang Hai-Feng , Hu Ping , Wang Bi-Qin , Zhao Ke-Qing , Donnio Bertrand
Published: December 2024

The high potential of non-covalent arene–fluoroarene intermolecular interactions in the design of liquid crystals lies in their ability to strongly promote self-assembly, improve the order and stability of the supramolecular mesophases, and enable tuneability of the optical and electronic properties, which can potentially be exploited for advanced applications in display technologies, photonic devices, sensors, and organic electronics. We recently successfully reported the straightforward synthesis of several mesogens containing four lateral aliphatic chains and derived from the classical triphenylene core self-assembling in columnar mesophases based on this paradigm. These mesogenic compounds were simply obtained in good yields by the nucleophilic substitution (SNFAr) of various types of commercially available fluoroarenes with the electrophilic organolithium derivatives 2,2'-dilithio-4,4',5,5'-tetraalkoxy-1,1'-biphenyl (2Li-BPn). In a continuation of this study, aiming at testing the limits of the reaction and providing a large diversity of structures, a structurally related series of compounds is reported here, namely 1,2,4-trifluoro-6,7,10,11-tetraalkoxy-3-(perfluorophenyl)triphenylenes (Fn). They were obtained by reacting the above mentioned 2,2’-dilithiobiphenyl derivatives with decafluorobiphenyl, C6F5–C6F5. These compounds differ from the previously reported series, 1,2,4-trifluoro-6,7,10,11-tetraalkoxy-3-aryltriphenylenes (PHn), solely by the substitution of the terminal phenyl ring with a pentafluorophenyl ring. Thus, as expected, they display a Colhex mesophase over large temperature ranges, with only small differences in the mesophase stability and transition temperatures. Furthermore, the presence of the terminal fluorophenyl group enables a subsequent second annulation, yielding a new series of extended polyaromatic mesomorphic compounds, i.e., 1,1',3,3',4,4'-hexafluoro-6,6',7,7',10,10',11,11'-octaalkoxy-2,2'-bitriphenylene (Gnm) which were found to display a Colrec mesophase. The specific nucleophilic substitution patterns of the Fn derivatives and the antiparallel stacking mode into columnar structures stabilized by arene–perfluoroarene intermolecular interactions were confirmed by the single-crystal structure of the alkoxy-free side chain analog, i.e., 1,2,4-trifluoro-3-(perfluorophenyl)triphenylene (F). UV–vis absorption and fluorescence emission spectroscopies reveal green photoluminescence with fluorescence quantum yields of up to 33% for the Fn derivatives. The J-aggregation for the inner fluorine-substituted dimers Gnm is energetically and stereoelectronically more favorable and G66 exhibits thin-film fluorescence with a large red-shift of the emission peak.
Okul Sporlarında Dereceye Girmiş Öğrencilerin Sabahçıl-Akşamcıl Durumlarının Bilinçli Farkındalık Düzeylerine Etkisi
Authors: Yaşın İsrafil , Tan Metin , Çolakoğlu Fatma Filiz
Published: December 2024

Araştırma okul sporları yıldızlar kategorisinde dereceye girmiş olan öğrencilerin sabahçıl-akşamcıl durumlarının bilinçli farkındalık düzeylerine etkisini incelemek amacı ile yapılmıştır. Araştırmada genel tarama yöntemi uygulanmıştır. Araştırmanın örneklemini 2021-2022 eğitim-öğretim yılında Gaziantep İlinde okul sporlarında yıldızlar kategorisinde dereceye girmiş araştırmaya katılmayı kabul eden 231’i kadın, 244’ü erkek toplam 475 öğrenci oluşturmaktadır. Araştırmada kişisel bilgi formu ile birlikte Sabahçılık-Akşamcılık Anketi (SAA) ve Ergenler için Kapsamlı Bilinçli Farkındalık Deneyimleri Envanteri (EKBFDE) kullanılarak veriler toplanmıştır. Araştırmada ergenler için kapsamlı bilinçli farkındalık deneyimleri envanterinin, içsel deneyimin farkındalığı, farkındalıkla davranma ve iç görülü kavrayış boyutlarında kadın öğrenciler lehine, spor türü değişkenine göre ise dışsal deneyimin farkındalığı boyutunda takım sporları ile ilgilenenler lehine istatistiksel olarak anlamlı farklar elde edilmiştir. Cinsiyet ve yaptıkları spor türü değişkenine göre sabahçıl-akşamcıl durumları bakımından gruplar arasında herhangi bir farklılık tespit edilmemiştir. Öğrencilerin sabahçıl-akşamcıl durumlarına göre ergenler için kapsamlı bilinçli farkındalık deneyimleri envanterinin farkındalıkla davranma ile merkezsizleşmek ve tepkisizlik boyutlarında gruplar arasında istatistiksel olarak anlamlı fark tespit edilmiştir. Sonuç olarak cinsiyet ve spor türü değişkenlerinin bilinçli farkındalık bakımından farklılaşmalara yol açtığı, sabahçıl-akşamcıl durumlarını etkilemediği, sabahçıl-akşamcıl tip durumlarının ise bilinçli farkındalıkları etkilediği söylenebilir.
ICT Facilities Situation and Academic Staff Job Performance in State-Owned Universities in Southwest Nigeria
Authors: Odediji Kehinde Morufdeen
Published: December 2024

The study aimed to examine the relationship between ICT facilities and academic staff job performance in state-owned universities in Southwest Nigeria. It assessed the overall job performance of academic staff and investigated how the availability and quality of ICT facilities influence their productivity. A descriptive survey research design was used, involving 450 academic staff from three state-owned universities selected through a multi-stage sampling procedure. Data were collected using two instruments: the ICT Facilities Questionnaire (IFQ) and the Academic Staff Job Performance Questionnaire (ASJPQ). Reliability coefficients of 0.83 and 0.85, respectively, were obtained, indicating high reliability. The study revealed high overall job performance among academic staff, particularly in punctuality, student engagement, mastery of subject matter, and participation in academic events. However, there were areas for improvement, such as community advisory services and involvement in professional bodies. A significant relationship was found between the situation of ICT facilities and academic staff job performance, with a correlation coefficient of 0.629 at a 0.05 level of significance. The study recommends that university management should invest in upgrading ICT facilities to enhance digital literacy and support interactive learning, thereby improving job performance. Continuous professional development through regular workshops and training sessions should be prioritized to keep lecturers updated on educational trends and methodologies.
Reciprocal Peer Evaluation of Teaching and Classroom Practices: Attitude, Impediments, And Solutions: A Case Study of Sudanese Faculty Members at University of Shendi, Sudan
Authors: Balla Babikir Abdelmaroof Ahmed
Published: December 2024

This study seeks information on Sudanese faculty members’ attitude to reciprocal peer evaluation of teaching. In addition, the study endeavors to investigate which impediments matter most and which matter less to Sudanese faculty members regarding their engagement in reciprocal peer review of teaching and to suggest solutions to them. In view of these ends, a questionnaire was designed and administered to fifty faculty members at Shendi University. The study found out that Sudanese faculty members, in principle, embrace reciprocal peer evaluation of teaching, and the impediment that matters most to them and hinders their engagement in reciprocal peer evaluation of teaching is that reciprocal peer evaluation of teaching has not been nurtured and established as a practice and culture among their peers, while the impediment that matters less is time constraints and busy workloads of the staff members. The study suggests that in-service pedagogical training should be a must for all staff members and initiatives to promote reciprocal peer evaluation should be taken by the institution, the staff members, and determined by the institution leadership to remove the impediments.
Procjena rizika od prenapona u električnim mrežama
Authors: Mateković Ivan
Published: December 2024

Sve veća osjetljivost el. uređaja na pojavu prenapona te sve veća umreženost el. instalacija zahtijeva proučavanje vjerojatnosti pojave prenapona u el. instalacijama te, sukladno tome, procjenu rizika od prenapona. Da bi se procijenio rizik od prenapona u el. instalacijama, identificirana je opasnost od prenapona, prenaponi su promatrani prema uzrocima nastanka, dani su iznosi i vjerojatnosti pojave prenapona u el. instalacijama, upozoreno je koje se štete od prenapona u el. instalacijama mogu očekivati, povezane su vjerojatnosti pojave prenapona s vjerojatnostima nastanka šteta od prenapona te napravljena procjena rizika od prenapona. Na osnovi te procjene zaključeno je da se skoro svaku el. instalaciju isplati štititi uređajima za zaštitu od prenapona.
Razvoj (de)regulacije i preporuke za tranzicijska gospodarstva
Authors: Dvornik Darko
Published: December 2024

Ne postoje univerzalna pravila za rješavanje problema neefikasne tržišne regulacije. Imajući na umu da primarni cilj regulacije nije regulatorna agencija per se već konkurentno tržište, moguće je uz prilagodbu niza elemenata šireg regulatornog okvira ostvariti bolje performanse u sektoru, što je posebice bitno u početnom stadiju djelovanja regulatorne agencije. U članku se daje povijesni pregled razvoja i (de)regulacije elektroenergetskog i telekomunikacijskog tržišta. Potom se diskutira o ekonomskim aspektima monopolističkog uređenja u ove dvije industrije te se obrazlažu razlozi ponovne re-regulacije tržišta ovih industrija. Naposljetku se prikazuju temeljna načela uspješne (de)regulacije i odgovarajući paket preporuka za tranzicijske zemlje.
Biomasa na današnjem tržištu električne energije: prikaz stanja i mogućnosti
Authors: Šegon Velimir , Domac Julije
Published: December 2024

U članku su prikazane tehnologije za proizvodnju električne energije iz biomase, udio biomase u proizvodnji električne energije za zemlje OECD-a i Europsku uniju te stanje i mogućnosti korištenja biomase u Hrvatskoj. Dan je pregled projekata rasplinjavanja biomase kao jedne od tehnologija od kojih se u budućnosti najviše očekuje. Zaključeno je da su stvarna uloga biomase i mogućnosti njenog korištenja nedovoljno poznati i često pogrešno interpretirani.
Proračun pokazatelja pouzdanosti tehničkih sustava upotrebom Markovljeva procesa
Authors: Vilenica Emil
Published: December 2024

Uporaba metoda Markovljeva procesa koristi se za proračun pokazatelja pouzdanosti tehničkih sustava. Pokazateljipouzdanosti tehničkih sustava su vjerojatnosti stanja u kojima se sustav može nalaziti, srednja vremena boravka sustava u timstanjima i učestalost nastupanja tih stanja. U članku su objašnjene temeljne metode i postupci proračuna pokazateljapouzdanosti tehničkih sustava uporabom Markovljeva procesa.
Asinkroni start agregata CHE "Čapljina" u stvarnim uvjetima elektroenergetskih sustava Bosne i Hercegovine
Authors: Rusanov Nikola , Vučina Srećko , Stojsavljević Milan , Nemec Darko
Published: December 2024

Analizirajući režime rada elektroenergetskog sustava i iskorištenje raspoloživih energetskih resursa u uvjetima stvarne topološkestrukture i elektroenergetskih prilika u prijenosnoj mreži Bosne i Hercegovine, ali i Hrvatske, posebno u područjusrednje i južne Dalmacije (jadranska magistrala), (česti režimi rada u kojima je sigurnost sustava ugrožena po (n-1) kriterijuraspoloživosti i kriteriju stabilnosti napona, naponi iznad dopuštenih iznosa, rad termoelektrana u Bosni i Hercegovini ispodtehničkog minimuma i sl.) postavilo se i pitanje mogućnosti iskorištenja svojstava reverzibilne hidroelektrane CHE Čapljinasnage 2x240 MW i pogodnosti koje pruža otvoreno tržište električnom energijom. S tehničkog aspekta dva su osnovna problema,odnosno usluge sustava: 1) asinkroni start (zalet) agregata (direktni asinkroni zalet i asinkroni zalet s faznim prigušnicamau zvjezdištu generatora uz odvodnjen prostor turbine/crpke) i 2) prijenos snage i energije za crpni rad u uvjetimasmanjene raspoloživosti sustava. Istraživanja pokazuju da je s aspekta dinamike napona i jalovih snaga moguć asinkroni zalet sfaznim prigušnicama u zvjezdištu generatora uz odvodnjenu turbinu/crpku (način P1). Tijekom zaleta, generatori u bližoj okolinitočke priključka CHE Čapljina (TS Mostar 4) nazivno su opterećeni jalovom snagom. Angažman i potpora drugog agregatau CHE Čapljina u generatorskom režimu rada znatno poboljšava prilike u pogledu napona i jalovih snaga u tom dijelusustava tijekom zaleta. Analizirane su dvije varijante osiguranja snage i energije za crpni rad (pumpanje): 1) iz termoelektranau EES Bosne i Hercegovine i 2) iz UCTE interkonekcije. U UCTE varijanti moguće su poteškoće sigurnosti sustava po (n-1)kriteriju raspoloživosti i kriteriju zagušenja na dijelu jadranske magistrale u EES-u Hrvatske.Na bazi rezultata proračuna, tijekom tri noći u ožujku 2002. godine napravljeni su uspješni pokusi asinkronog starta i pumpanja soba agregata CHE Čapljina u stvarnim uvjetima.
Kompozitni polimerni izolatori u prijenosu i distribuciji električne energije
Authors: Haznadar Zijad , Sokolija Kemo , Berberović Sead , Štih Željko
Published: December 2024

Prikazana je kratka povijest razvoja kompozitnih izolatora. Načinjen je pregled prednosti i nedostataka konvencionalnih izolatora(staklenih i porculanskih) i kompozitnih polimernih izolatora. Nakon toga, prikazana je analiza i usporedba konvencionalnihi kompozitnih polimernih izolatora glede njihovih mehaničkih i električnih karakteristika, ponašanja u otežanim uvjetimarada te ekonomska usporedba na temelju podataka objavljenih u svjetskoj literaturi. Na kraju su diskutirana i neka, još uvijek,otvorena pitanja vezana za primjenu kompozitnih polimernih izolatora u prijenosu i distribuciji električne energije.
Impacto de la Cultura Tributaria en la Evasion Tributaria Del Distrito de San Juan de Lurigancho, Año 2023
Authors: Velasco Taipe Marco Antonio , Gallardo Mansilla Cesar Felipe , Sánchez Camargo Mario Rodolfo , Ramos Córdova de Francia Johana Celeste , Lozada Palomino Mariella Yamely
Published: December 2024

Objetivo: El objetivo general fue demostrar el impacto de la cultura tributaria en la evasión tributaria del distrito de San Juan de Lurigancho, año 2023. Método: Mi enfoque utilizado fue forma cuantitativa, tipo explicativo y de corte transversal, con una población de 245,832 Mypes cuya muestra de mi estudio se estableció en 387 Mypes en San Juan de Lurigancho. Resultados: Un 32% de personas entrevistadas manifestaron que es importante que la cultura tributaria sea fortalecida y promovida en las Mypes en el distrito materia de estudio para que contribuyan a favor del fisco y exista una reducción en la evasión tributaria. Asimismo, un 26% de sujetos entrevistados afirmaron estar de acuerdo que las Mypes poseen alto índice de evasión de tributos, y en gran medida cuentan con una baja cultura tributaria en decisión de no cumplir con su obligación tributaria frente al Estado peruano. Conclusiones: se concluye que el medio de regresión logística ordinal con significación Bilateral de 0.000 menor a la significación Bilateral en libros de 0.005, aceptando nuestra hipótesis de forma alterna, afirmando que: La cultura tributaria produce un gran impacto significativo en cuanto a la evasión tributaria de la jurisdicción de San Juan de Lurigancho, año 2023. Además, le aplicado el coeficiente denominado Nalgelkerke con la finalidad de establecer el impacto porcentual, en el presente caso de las variables propuestas por el investigador, el referido coeficiente señala la evasión tributaria como variable depende de una cultura tributaria, con un porcentaje del 78%.
El Impacto del Aprendizaje Basado en Problemas (ABP) en el desarrollo del Pensamiento Crítico en Lengua y Literatura
Authors: Chugchilán Fauta María Del Rosario , Hurtado Mora Mara Del Rocío , Tipán Caiza María Nelly , Barragán Ocampo Hernán Patricio , Cabezas López Javier Alexander
Published: December 2024

El Aprendizaje Basado en Problemas (ABP) es una metodología educativa que fomenta el desarrollo del pensamiento crítico y el razonamiento en los estudiantes, siendo particularmente eficaz en la enseñanza de lengua y literatura. Este trabajo analiza la relación entre el ABP y el desarrollo del pensamiento literario crítico en estudiantes de educación básica. Se exploran los beneficios del ABP, como la mejora del desempeño académico y la motivación estudiantil, así como los desafíos en su implementación, como la formación docente y la evaluación. Además, se examinan teorías pedagógicas que sustentan el ABP, incluyendo el constructivismo y el aprendizaje colaborativo. Se concluye que el ABP, pese a sus retos, es una herramienta valiosa para transformar la enseñanza de la lengua y literatura, promoviendo habilidades esenciales para la resolución de problemas complejos en la vida real.
Dröjsmålsränta
Authors: Wallin Gunvor
Published: December 2024

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