bluuebunny/crossref_metadata_2025 huggingface dataset:
ErAs:In(Al)GaAs Terahertz Transceivers for Compact Pulsed Free Space Photonic Vector Network Analyzer
Authors: Faridi Fahd Rushd , Otto Julian , Preu Sascha
Published: January 2025

We present ErAs:In(Al)GaAs-based terahertz transceiver modules, comprising transmitter and receiver components integrated on a single chip. The transceiver module is employed in a two-port single-path (TxRx-Rx) or 1.5-port pulsed free space photonic vector network analyzer setup, wherein the second receiver is an individual ErAs:InGaAs photoconductor. This configuration allows for simultaneous extraction of transmission and reflection coefficients or scattering parameters S21 and S11. The system achieves a peak dynamic range of ~59 dB for S21 and ~43 dB for S11 at a bandwidth reaching ~3.5 THz for the transmission and ~2.5 THz for the reflection path. These values are obtained by averaging over 500 traces at a scan rate of 4 Hz. The system exhibits superior frequency coverage compared to commercially available electronic vector network analyzers, thus offering a compact, cost-effective, broadband characterization solution for the benchmarking of terahertz devices and components.
Insect size responses to climate change vary across elevations according to seasonal timing
Authors: Nufio César R. , Sheffer Monica M. , Smith Julia M. , Troutman Michael T. , Bawa Simran J. , Taylor Ebony D. , Schoville Sean D. , Williams Caroline M. , Buckley Lauren B.
Published: January 2025

Body size declines are a common response to warming via both plasticity and evolution, but variable size responses have been observed for terrestrial ectotherms. We investigate how temperature-dependent development and growth rates in ectothermic organisms induce variation in size responses. Leveraging long-term data for six montane grasshopper species spanning 1,768–3 901 m, we detect size shifts since ~1960 that depend on elevation and species’ seasonal timing. Size shifts have been concentrated at low elevations, with the early emerging species (those that overwinter as juveniles) increasing in size, while later season species are becoming smaller. Interannual temperature variation accounts for the size shifts. The earliest season species may be able to take advantage of warmer conditions accelerating growth during early spring development, whereas warm temperatures may adversely impact later season species via mechanisms such as increased rates of energy use or thermal stress. Grasshoppers tend to capitalize on warm conditions by both getting bigger and reaching adulthood earlier. Our analysis further reinforces the need to move beyond expectations of universal responses to climate change to consider how environmental exposure and sensitivity vary across elevations and life histories.
Determinants of Adverse Perinatal Outcomes in Ibadan, Nigeria: The influence of maternal lifestyle
Authors: Adeoye Ikeola A. , Unogu Chioma O. , Adediran Kofoworola , Gbadebo Babatunde M.
Published: January 2025

Adverse perinatal outcomes (APO) are unfavourable incidents of at least one of the following: low birth weight, preterm delivery, stillbirths, neonatal deaths, and perinatal deaths. They contribute significantly to neonatal and infant morbidity and mortality, developmental abnormalities, and long-term impairments. Studies are lacking on the influence of maternal lifestyle on APO in Nigeria. Hence, we investigated the determinants of APO using the Ibadan Pregnancy Cohort Study (IbPCS) data and examined 1,339 mothers who had hospital delivery. The outcome variable was APO (low birth weight, birth asphyxia and preterm delivery). Explanatory variables comprised Antepartum Depression (Edinburgh Depression Scale ≥ 12), Physical activity (Pregnancy Physical Activity Questionnaire (PPAQ), Dietary pattern (Qualitative Food Frequency Questionnaire (FFQ), Maternal Stress (Perceived Stress Scale), Alcohol consumption, and Tobacco exposure. We used binary and multiple logistic regression to assess the associations between the risk factors and adverse perinatal outcomes at a significant P-value <0.05. Prevalence of APO was 26.7%, 95%CI (24.4–29.1); low birth weight - 8.5%, 95%CI (7.0–10.1) preterm delivery 14.8%, 95% CI (12.9–16.7); birth asphyxia 16.3%, 95%CI (14.0–18.9). The factors associated with LBW were being a female infant AOR: 2.00, 95%CI (1.13 -3.52); emergency caesarean section AOR: 2.40, 95%CI (1.06–5.42); a history of hypertension in pregnancy AOR: 3.34, 95%CI (1.45 -7.52). Preterm birth was associated with being poor AOR: 2.00, 95%CI (1.13 -3.52); history of stillbirth AOR: 2.05, 95%CI (1.14–3.68); antepartum depression AOR: 1.87, 95%CI (1.08–3.25). Of the lifestyle factors examined, only a high protein diet with a non-alcoholic beverage dietary pattern had a statistically significant association with preterm birth [AOR: 0.50, 95%CI (1.08–3.52)]. However, lifestyle factors had no significant association with LBW and birth asphyxia in our study. Understanding these risk factors can help policymakers and healthcare professionals create cost-effective interventions to curtail the burden of APO in Nigeria.
Effects of age and circadian rhythm on vital parameters and erythrocyte osmotic fragility of donkeys during seasonal changes
Authors: Olorunfemi Moses Ayo-opemipo , Binhambali Abdulhakeem , Sinkalu Victor Olusegun , Babashani Mohammed , Samuel Felix Uchenna , Ayo Joseph Olusegun
Published: January 2025

This study investigates the effects of seasonal variations on the erythrocyte osmotic fragility and vital parameters of donkeys Equus africanus asinus at the National Animal Production Research Institute (NAPRI) in Shika, Kaduna State, Nigeria. The research focused on two key periods: the hot-dry season (April) and the rainy season (July). Twelve donkeys were classified into three age groups: young (1–3 years), adult (4–6 years), and old (7–9 years). Blood samples were collected at six-hour intervals over a 24-hour period, while dry-bulb and wet-bulb temperatures were measured to compute the temperature-humidity index (THI). Vital parameters including rectal temperature, respiratory rate, and heart rate were also recorded. Results showed higher dry-bulb temperatures (DBT) during the hot-dry season, with the lowest DBT of 12°C at 00:00 h and the highest of 25.5°C at 18:00 h. Young donkeys exhibited the highest erythrocyte osmotic fragility during the hot-dry season, while old donkeys showed elevated fragility during the rainy season. Results also demonstrated that erythrocyte osmotic fragility varied significantly with age and season, with young donkeys exhibiting the highest fragility during the hot-dry season at a 0.3% NaCl concentration. However, old donkeys showed increased fragility during the rainy season, which shows the influence of both age and environmental conditions on erythrocyte stability. Also, rectal temperatures were higher in young donkeys during the hot-dry season compared to adults, while heart rates showed significant elevation across all age groups during the rainy season. Overall, this study elucidates the physiological adaptations of donkeys to seasonal thermal stress, providing critical insights into their health management and welfare in varying climatic conditions. Understanding these dynamics is essential for optimizing donkey husbandry practices, especially in regions facing climate variability. These findings contribute valuable knowledge to the field of veterinary physiology and highlight the necessity of tailored management strategies to mitigate the impact of seasonal stressors on animal health.
Reimagining pop vocal pedagogy through the lens of disability
Authors: Debrot Ruth A.
Published: January 2025

Singing is an embodied, creative human endeavour, a means of getting in touch with and communicating ideas, inner feelings and emotions. The purpose of this study was to discover participatory, kinaesthetic and personalized learning strategies in the context of popular vocal pedagogy (PVP) for students with disabilities. When I started working with Spencer, a young composer with chronic pain caused by complex regional pain syndrome, he did not feel supported by his professors. He perceived they were not supporting his musical and career goals nor were they open to making necessary accommodations for his disability. Together, using a critical participatory action research methodology, Spencer and I confronted masterful, centuries-old patriarchal practices that often foster violence and repression on singer’s minds and bodies hoping to discover new learning and teaching strategies for disabled students in the PVP studio. Our goal was to make Spencer’s overall experience as a singer and performer in a conservatory-style music programme more student-centred and empowering. Findings from the study suggest ways that teachers in higher education might incorporate flexible teaching contexts (live and remote), engage the use of technology as a teaching tool and develop pedagogical strategies that involve the learner in reflection and self-evaluation (rather than imposing uniform, standardized approaches) in order to create more accommodating classrooms for their vocal students with disabilities.
Honouring Our Ancestors: Takatāpui, Two-Spirit and Indigenous LGBTQI+ Well-being, Alison Green and Leonie Pihama (eds) (2023)
Authors: Rodríguez-Salas Gerardo
Published: January 2025

Review of: Honouring Our Ancestors: Takatāpui, Two-Spirit and Indigenous LGBTQI+ Well-being, Alison Green and Leonie Pihama (eds) (2023)

Wellington: Te Herenga Waka University Press, 376 pp.,

ISBN 978 1 77692 073 0 (hbk), NZ$35
Los legados de la Primera República en Filipinas a finales del siglo XIX: retórica de la discapacidad en las colonias penales
Authors: Vialette Aurélie
Published: January 2025

Este trabajo analiza de qué manera las ideas debatidas durante la Primera República española acerca de la reforma penal influyeron en el establecimiento de coloniales penales con filipinos en las islas Filipinas durante la Restauración. Para ello, muestro que los dirigentes republicanos no consideraron las islas Filipinas como estado integrante de la República, sino que las relegaron a un espacio marginal con una población que describían como discapacitados para el ejercicio de sus funciones de ciudadanía. Después, se estudia un concurso de la Real Academia de Ciencias Morales y Políticas, organizado al terminar la Primera República, cuyo objetivo era preguntar si convenía establecer colonias penales en las islas de dominio imperial español. Exploro la repuesta al concurso de ciertos juristas como Francisco Lastres, Concepción Arenal y Pere Armengol. Lastres hablaba de “renacer” mientras Arenal y Armengol ponían énfasis en su rechazo de la explotación de los prisioneros para construir la colonia. Arenal, en particular, insistía en la necesidad de respetar en todo momento los derechos humanos. Mi tesis al respecto de estas fuentes es que nos muestran que lo penal es una de las fuentes que revela la administración imperial. Finalmente, insisto en la necesidad de estudiar las fuentes filipinas del período de la Restauración y presto atención al establecimiento de una colonia penal con presos filipinos: la colonia agrícola de San Ramón en Zamboanga, en la isla de Mindanao. Pongo de manifiesto cómo los administradores españoles que trabajan en la colonia penal usaban una retórica de la discapacidad para referirse a los cuerpos de los presos filipinos, quitándoles toda agencia y civilización.
Teatro lírico y Coros de Clavé: continuidad y transformación de la cultura política republicana (Barcelona, 1874-1899)
Authors: Roca Vernet Jordi , Costal i Fornells Anna
Published: January 2025

Este artículo demuestra cómo en las primeras décadas de la Restauración la cultura política republicana consiguió sortear las limitaciones que tenía en la esfera pública a través de los circuitos de producción y difusión de las obras musicales. La adaptación de las obras a distintos contextos de sociabilidad musical y la modificación constante de los contenidos en función de la actualidad alimentó las críticas al sistema político de la Restauración. Se incrementó la popularidad de los símbolos republicanos como el himno de La Marsellesa y se renovó su significado a través de los Coros de Clavé y de las obras de la Zarzuela. El análisis del repertorio musical de los Coros de Clavé y de la intencionalidad de las representaciones de las Zarzuelas y su recepción demuestra la continuidad y la transformación de la cultura política republicana de la Restauración.
Investigation on the Potentials of Nanocomposites Derived from Polylactic Acid-Polycaprolactone Blends using different Nanofillers as Biomedical Implants
Authors: Litha T.T. , Nair Praseetha P.
Published: January 2025

In present work, an attempt is made to synthesize polymer bio-nanocomposites suitable for biomedical implants based on polylactic acid-polycaprolactone (PLA/PCL) blend reinforced with different nanofillers. The inorganic filler, montmorillonite nanoclay (MMT), whereas graphene oxide (GO) and reduced graphene oxide (rGO) served as carbon-based nanofillers within the composite. Blends of polylactic acid (PLA) and polyvinyl chloride (PCL) were reinforced with hydroxyapatite in order to generate superior materials. The tensile strength and Young’s modulus of PLA-PCL blend nanocomposites show an increase of about 117% and 53%, respectively, when compared to pure PLA, whereas the elongation at break observes a decrease of 38%.
Narcisismo ontológico e etnocídio na área psi
Authors: Maroni Amneris
Published: January 2025

Qual é a recepção dos povos originários pela área psi (freudianos/lacanianos/ junguianos) nas duas últimas décadas e meia? O mainstream da psicanálise freudiana segue reverenciando S. Freud de Totem e Tabu; C. Dunker abraça o perspectivismo ameríndio para servir J. Lacan; os junguianos, festejando o perspectivismo ameríndio, mantém a esperança em uma ideia de nação um tanto quanto extemporânea. Na contracorrente desse narcisismo branco que não deixa de ser etnocida, o artigo se vale de lentes da virada ontológica, dos conflitos e fricções ontológicas, de equivocações e individuações permanentes.
Estudios de casos y controles: Asociación entre infecciones gestacionales y el desarrollo de defectos congénitos en recién nacidos de hospitales de la ciudad de Bogotá, durante el periodo 2001-2018
Authors: López-Escrucería Stefania , Saldaña-Franco Sebastián , Madariaga Perpiñán Ithzayana , Patiño-Cuervo Diana Cristina , León-Sanabria Maria Camila , Rosselli Diego , Zarante Ignacio , Gracia-Charry Gloria Milena
Published: January 2025

Antecedentes: Las infecciones gestacionales que llevan al desarrollo de infecciones prenatales, son un importante problema de salud pública, especialmente en países en vía de desarrollo, ya que los agentes etiológicos pueden afectar el desarrollo fetal y por ende asociarse con discapacidad y muerte fetal.
Objetivos y Métodos: Determinar la asociación entre las infecciones gestacionales y el desarrollo de defectos congénitos (DC). Se realizó un estudio analítico de casos y controles, con análisis de variables cualitativas y cuantitativas con datos recolectados por el Programa de Vigilancia y Seguimiento de Anomalías Congénitas de Bogotá D.C. (PVSACB) incluyendo información autorreferida por las madres y recolectada a través de la ficha ECLAMC en 23 hospitales de Bogotá D.C. durante el periodo 2001-2018.
Resultados: Se registraron en total 474 699 nacimientos en la cuidad de Bogotá D.C. con 4 220 casos y un total de 5 771 controles (relación 1:1.36); incluyendo recién nacidos cuyas madres estuvieron expuestas o no a infecciones durante el embarazo. Se encontró que las infecciones bacterianas se asocian con DC en el sistema craneofacial (OR: 1.45-IC:0.82-2.57), osteomuscular (OR:1.21-IC:1.06-1.41), nervioso (OR:1.45-IC:1.14-1.84), región oral (OR:1.51-IC:1.14-2.0) y renal (OR:1.26-IC:0.93-1.71). Las de origen viral se asocian con los sistemas osteomuscular (OR:3.18-IC:1.78-5.69), nervioso (OR:2.42-IC:1.03-5.68), región oral (OR:1.67-IC:0.52-5.41) y renal (3.95-IC:1.67-9.33).
Conclusiones: Encontramos que las infecciones gestacionales que más mas relacionadas con DC fueron bacterianas y virales. Las infecciones maternas genitourinarias y respiratorias fueron las más frecuentes. Es importante profundizar en la asociación de infecciones por agente etiológico y el desarrollo de DC con el fin de establecer estrategias para el manejo materno oportuno que permitan reducir una de las principales causas de morbimortalidad infantil en el país.
Descripción de eventos clínicos asociados a patógenos de vías respiratorias detectados en dos pruebas de reacción de cadena de polimerasa múltiple realizada en población pediátrica en un hospital de tercer nivel en la ciudad de Bogotá, Colombia
Authors: Orbes Guerrero Camilo Javier , Restrepo Gualteros Sonia , Villamil Osorio Nidia Milena , Galvis Trujillo Diego
Published: January 2025

Las infecciones del tracto respiratorio constituyen una de las principales causas de consulta a urgencias y hospitalización, en pacientes con situaciones clínicas graves o inmunosupresión es importante realizar un diagnóstico etiológico que permita realizar un tratamiento dirigido para evitar complicaciones.  Las pruebas moleculares cuentan con la aprobación de la agencia U.S. Food and Drug Administration (FDA) y tiene aprobación para ser realizadas en pacientes ingresados en la unidad de cuidados intensivos pediátricos en la Fundación Hospital Pediátrico la Misericordia de Bogotá, Colombia. Propósito: Es un estudio descriptivo que abarca toda población hospitalizada durante el año 2019 con el objetivo de describir eventos clínicos asociados a patógenos de vías respiratorias detectados en los pacientes con los siguientes criterios de inclusión: eventos de neumonía complicada, inmunocomprometidos o con factores de riesgo tales como enfermedad renal crónica, fibrosis quística, obesidad, displasia broncopulmonar o cardiopatía congénita. Resultados: no se detectaron bacterias en ninguna muestra, los microrganismos más frecuentes fueron Enterovirus/rhinovirus humano (44.2%), Virus sincitial respiratorio (33.9%), Adenovirus (18.6%), Metapneumovirus (7%) e Influenza AH1 2009/Influenza B (6.9%). Conclusiones: La detección exclusiva en las pruebas moleculares de infecciones virales en pacientes con situaciones clínicas graves nos permite tener mayor conciencia de la importancia de estos microorganismos en infecciones graves, especialmente en situaciones de inmunosupresión en donde hay compromiso para manejar varios tipos de agentes, sin embargo, es importante anotar que la mayoría de agentes virales detectados no tienen tratamiento etiológico específico, excepto en 3 casos de influenza tratados con oseltamivir.
heroínas de Hayao Miyazaki
Authors: Santos Tássia , Melo Marcos
Published: January 2025

Este artigo apresenta uma análise da representação feminina nos filmes de animação do Studio Ghibli dirigidos por Hayao Miyazaki (1984-2013), à luz da discussão sobre gênero. Revisão de literatura e análise mostram como a imagem feminina fabricada pelos filmes de animação podem impactar na percepção de gênero.
“Nem ser mãe, nem não ser”
Authors: De Jesus Lopes Martins Jessyka , Godinho Letícia , Alves de Campos Marina
Published: January 2025

Este artigo investiga de que modo mulheres negras são afetadas, simultaneamente, em sua vida profissional e maternal. Partindo de revisão teórica e de entrevista com duas mulheres negras, mães, servidoras públicas, argumenta que mulheres negras têm maior dificuldade de compactuar sua vida profissional com a maternidade.
Nomes de acidentes físicos dos municípios da região imediata de Bragança/Pará
Authors: Araújo Livia Regina Fernandes Souza de , Isquerdo Aparecida Negri
Published: January 2025

O processo de nomeação é uma atividade inerente ao homem que, ao nomear, consegue não só identificar, mas também diferenciar e categorizar coisas, lugares e/ou seres vivos, além de recuperar aspectos da inter-relação entre léxico, cultura e ambiente. A Toponímia, disciplina da Onomástica, fornece parâmetros teórico-metodológicos para o estudo dos nomes próprios de lugares (origem, evolução, filiação linguística, motivação). Este artigo discute resultados de estudo sobre 51 topônimos que nomeiam rios, igarapés, cachoeiras, montanhas etc. das áreas rurais dos seis municípios que compõem a região imediata de Bragança/Pará – Bragança, Augusto Corrêa, Tracuateua, Viseu, Cachoeira do Piriá, Santa Luzia do Pará (IBGE, 2017). Para tanto, analisa os dados do corpus em termos taxonômicos e linguísticos, assim como a representatividade histórica e cultural das denominações. Do ponto de vista teórico, o artigo é orientado por contribuições de Dick (1990; 1992; 1998; 1999; 2004) e Isquerdo (1997; 2008; 2012a; 2012b; 2016). Para a análise linguística dos topônimos foram consultadas as obras de Houaiss (2001), Sampaio (1987) e Cunha (1998; 2010). O corpus em estudo foi extraído dos mapas municipais oficiais do IBGE (2020), com escalas que variam de 1:200 a 1: 4.000, e sistematizado, por meio de quadros organizados segundo os tópicos da ficha lexicográfico-toponímica proposta por Dick (2004). A análise parcial dos 51 topônimos catalogados apontou três taxes com maior índice de produtividade – 23,52% de fitotopônimos (igarapé Piquiá), 13,72% de zootopônimos (rio Urumajó) e 13,72% de litotopônimos (rio das Pedras) – todas de natureza física. 49,04% dos topônimos enquadram-se em outras classificações. Em síntese, o estudo apontou características subjacentes ao processo de nomeação de acidentes físicos[1] que integram os municípios da região selecionada, recuperando aspectos físicos e ambientais da região evidenciados em topônimos como rio Jenipau-mirim, igarapé da Onça, igarapé Açu e lago Campo de cima.
 
[1] Acidente físico: “qualquer feição topográfica que possa ser observada visualmente. O termo engloba feições topográficas naturais e artificiais. Exemplo: morro, rio, estrada, edificação, mas não, por exemplo, uma fronteira política não demarcada” (Kadmon, s/d, p. 6), o mesmo que feição topográfica e entidade topográfica conforme a mesma fonte. Neste estudo mantém-se o uso do termo acidente físico, tradicionalmente utilizado nas pesquisas toponímicas no Brasil.
Cash flow optimization in uncertain environments: forward backward stochastic ‎differential equation approach with pontryagin's maximum principle‎
Authors: T. Kayembe Tcheick , K. Mubenga Pascal , K. Nawej Emil , T. Tshisuaka Ezechiel , M. Mbuyi Eugene
Published: January 2025

This article explores the application of Forward-Backward Stochastic Differential Equations ‎‎(FBSDEs) to cash flow optimization in uncertain financial environments. FBSDE provide a ‎rigorous framework for modeling investment and payment dynamics, enabling the maximization ‎of investor preferences while minimizing financial risks. The model considers a portfolio ‎composed of both risky and risk-free assets, incorporating constraints such as the balance between ‎discounted payments and accumulated premiums.‎
The analysis includes solving the optimization problem using the stochastic maximum principle ‎and Lagrange multipliers. Optimal admissible strategies are defined as stochastic processes ‎satisfying integrability conditions and backward differential equations. Numerical simulations ‎assess the impact of key parameters, such as initial wealth, discount rate, volatility, and risk ‎aversion, on investment and consumption decisions.‎
The results demonstrate that the FBSDE approach effectively captures complex dynamics and ‎facilitates the development of robust strategies under uncertainty. In conclusion, this article ‎highlights the potential of FBSDEs for portfolio management, financial product pricing, and ‎decision optimization in uncertain environments. Future research could expand this framework by ‎integrating exogenous factors, such as macroeconomic conditions, thereby broadening its ‎applicability and relevance‎.
Teachers’ Perspectives on the Science Curriculum According to Tyler's Program Evaluation Approach
Authors: Taşdere Ahmet , Ayvar İclal , Tüysüz Cengiz
Published: January 2025

This research aimed to evaluate the 6t grade Science Course (SC) curriculum based on Tyler's objective-based evaluation model according to teacher opinions. The study, which was designed as a case study within the scope of qualitative research approach, was attended by 30 Science Teachers (ST) working in schools affiliated to the Ministry of National Education (MoNE) and determined according to the convenience sampling method. The data were collected through a semi-structured interview form consisting of open-ended questions and subjected to descriptive data analysis. According to the findings, within the scope of the goal dimension of Tyler's model, teachers think that the SC outcomes are clear and understandable and contribute to students becoming science literate individuals. They expressed partially differentiated opinions about the relationship of SC with other curricula and the appropriateness of the outcomes to the level of the students. In the learning experiences dimension, the majority of teachers think that inquiry-based and student-centered teaching methods and techniques are adopted in the SC. On the other hand, they have partially differentiated opinions about the use of these methods and techniques in the lessons and their level of achievement of the outcomes. In the evaluation dimension, teachers presented differentiated views on whether the measurement and evaluation approach in the SC provides the quality of probe-assessment, the aspect of supporting learning, and whether it provides opportunities for process evaluations. Considering these findings, suggestions were presented for curriculum development experts, teachers and new science curriculum evaluation studies.
Influential Educators of the History of Turkish Education through the Evaluations of the Pre-service Teachers: A Profile Study
Authors: Yazıcı Sibel
Published: January 2025

The study aimed to examine the leading educators of the History of Turkish Education and their influential characteristics through the evaluations of teachers and to reveal an educator profile on a historical basis. With reference to the qualitative research, a/the phenomenology design pursuing to understand human experience was used in the study. The study group was determined using criterion sampling related to purposive sampling as 36 pre-service teachers who took the History of Turkish Education course from the researcher and prepared the reports in accordance with the criteria in the fall semester of the 2022-2023 academic year. The pre-service teachers’ reports including information about the phenomenon that had aimed to be investigated were used as the data collection tool. The data were analysed through the content analysis method. When the pre-service teachers’ evaluations were examined, properties were revealed. They were their personality, educator qualifications, level of recognition, ideas beyond the time, scientific aspects, being well known and guiding, religious qualifications, political aspects, farsightedness, and being progresivve. These properties contributed to presenting an influential educator profile during the historical process.
Decoding Teachers' Dilemma: Unveiling the Real Obstacles to Implementing Formative Assessment in the Classroom
Authors: Özer Özkan Yeşim , OZKAN Metin
Published: January 2025

This study aims to explore the barriers that prevent teachers from frequently and effectively using formative assessment approaches in classroom practices. The study employs a phenomenological design, as it seeks to reveal the current state of formsative assessment practices in classrooms based on teachers' experiences and perspectives. The group consists of 24 teachers selected through purposive sampling. Data were collected through semi-structured interview forms. Thematic analysis was employed to analyze the qualitative data. The findings indicate that teachers use formative assessments to monitor student progress, improve the instructional process, provide feedback, and identify learning deficiencies. However, factors such as large class sizes, time constraints, an overloaded curriculum, student diversity, outcome-oriented educational programs, and lack of technological infrastructure hinder the effective use of formative assessment.While some of the challenges are organizational, teachers can overcome these barriers through individual efforts such as conducting research, utilizing educational technologies, attending in-service training, and continuously updating their knowledge. It is recommended that teachers, in general, receive training in measurement and evaluation, with a particular focus on formative evaluation.
Existence of distributional solutions to some quasilinear degenerate elliptic systems with low integrability of the datum
Authors: Di Gironimo Patrizia , Leonardi Salvatore , Leonetti Francesco , Macrì Marta
Published: January 2025

We prove the existence of a distributional solution to a quasilinear system of degenerate equations when the datum has low integrability.
The main assumption asks the off-diagonal coefficients to have support in a crossed staircase set.
The crystal structure of 2-bromo-2-(5-bromo-2-methyl-4-nitro-1H-imidazol-1-yl)-1-phenylethanone, C12H9Br2N3O3
Authors: Saber Sadeekah O. , Al-Soud Yaseen A. , Al-Qawasmeh Raed A. , Khanfar Monther A.
Published: January 2025

C12H9Br2N3O3, monoclinic, P21/c (no. 14), a = 9.0255(5) Å, b = 14.9112(5) Å, c = 10.9438(5) Å, β = 109.223(5)°, V = 1390.71(12) Å3, Z = 4, Rgt
(F) = 0.0482, wRref
(F
2) = 0.0948, T = 293(2) K.
Crystal structure of [(1,4,8,11-tetraazacyclotetradecane-κ
4
N,N′,N′′,N‴)tetracyanidodiplatinum(II)] dimethyl sulfoxide solvate, C18H36N8O2Pt2S2
Authors: Ha Kwang
Published: January 2025

C18H36N8O2Pt2S2, monoclinic, P21/c (no. 14), a = 12.0848(16) Å, b = 14.1725(18) Å, c = 8.1065(9) Å, β = 97.603(4)°, V = 1376.2 Å3, Z = 2, Rgt
(F) = 0.0279, wRref
(F
2) = 0.0749, T = 223 K.
Ley General de Mecanismos Alternativos de Solución de Controversias
Authors: Calderon Calderon José Manuel , Calderón Calderón Dania Vanessa
Published: January 2025

El presente texto realiza una descripción teórica, así como un análisis de las características constitutivas del manejo de las emociones en niñez y adolescencia con discapacidad, haciendo intersección con los derechos humanos, constitucionales y aquellos de la Ley General de Mecanismos Alternativos de Solución de Controversias, buscando garantizar su desarrollo y bienestar integral. Proponiendo el grupo de expresión emocional y de encuentro, como modelo dual, eficaz en la prevención e intervención en conflictos de relación en la etapa de la niñez y adolescencia, en contextos de educación inclusiva. Apoyados en la técnica del enfoque centrado en la persona, con los pilares: aceptación positiva incondicional, congruencia y empatía. Finalmente, se puede constar la eficacia ejecutiva del modelo y su congruencia con lo previsto en la Ley.
carrera regulatoria del comercio electrónico en el marco de la Organización Mundial del Comercio
Authors: Sidorova Elena , Sidorov Viktor
Published: January 2025

El debate sobre la regulación de las tecnologías de la información en el ámbito del derecho internacional ha sido objeto de un análisis profundo, dada la rapidez con la que avanzan las tecnologías y la capacidad limitada de las normativas legales para adaptarse a estos cambios. Este artículo examina las tensiones que surgen entre la evolución tecnológica y las estructuras regulatorias existentes, enfocándose en la regulación del comercio electrónico en el contexto del Derecho Internacional Económico. Se destaca la participación cada vez más activa de la Organización Mundial del Comercio en la creación de nuevas reglas que aborden las tendencias actuales en el comercio electrónico, con especial énfasis en Iniciativa relativa a la Declaración Conjunta sobre el Comercio Electrónico, lanzada el 26 de julio de 2024, destacando sus características distintivas.
Capacité des organisations agricoles à créer un écosystème de services support à l’innovation : le cas du label Bio-SPG au Burkina Faso
Authors: Orbell Claire , Toillier Aurélie , Mignon Sophie , Sempore Aristide W.
Published: January 2025

Pour répondre aux nombreux défis que rencontre l’agriculture en Afrique subsaharienne, l’accompagnement à l’innovation et à l’entrepreneuriat innovant et inclusif est fondamental. À ce jour, les recherches dans ce domaine se sont centrées sur les services fournis par les différents acteurs, mais sans s’intéresser aux phénomènes de coordination entre les acteurs qui fournissent ces services. Cet article propose de combler ce manque en étudiant un écosystème de services supports à l’innovation (ESSI) qui s’est mis en place pour accompagner la création du label Bio-SPG au Burkina Faso. Nous avons réalisé une étude de cas historique de cet écosystème à travers des enquêtes auprès des acteurs directement impliqués et la consultation de données secondaires. Les résultats font état d’une mise en place en trois temps de cet écosystème (phases préliminaire, d’initiation et de montée en puissance), de trois niveaux de relations entre les acteurs (fortes, faibles et de l’ordre du contexte) et de l’existence d’une organisation hub qui remplit plusieurs rôles, notamment de mise en relation et de mobilisation des acteurs. Ce travail appelle à approfondir ces questions d’ESSI en Afrique subsaharienne, de rôles de l’organisation hub et de compétences nécessaires pour les assumer.
La profession comptable devrait-elle s’associer à la divulgation d’informations financières liées à la durabilité?
Authors: Tremblay Daniel , Lemay Isabelle
Published: January 2025

Le public et plus particulièrement les investisseurs réclament davantage de reddition de comptes de la part des entités, et ce, spécifiquement en regard de l’impact que celles-ci peuvent avoir sur les enjeux environnementaux, sociaux et de gouvernance. En publiant leurs deux premières normes en lien avec la durabilité, les organismes de normalisation comptable aspirent vraisemblablement à devenir les chefs de file dans ce créneau en émergence, à tout le moins pour ce qui concerne le volet financier qui y est rattaché. Quoique l’adoption de ces nouvelles normes représente une avancée prometteuse, il reste encore fort à faire et l’implication de la profession comptable devra se faire en prenant soin de bien mesurer le risque d’atteinte à sa réputation. Les informations publiées s’appuient en grande partie sur des données hautement spécialisées, plusieurs d’entre elles manquent d’objectivité, restent relativement vagues et certaines peuvent même être teintées d’un fort degré de spéculation.
Extending of partial metrics
Authors: Mykhaylyuk V. , Myronyk V.
Published: January 2025

We investigate the following question: does there exist a compatible extension of a given compatible partial metric $p:A^2\to\mathbb R$ on a closed subset $A$ of a partially metrizable space $X$? We obtain a positive answer to this question in the case when the corresponding quasi-metric $q_p(x,y)=p(x,y)-p(x,x)$ has an extension that generates a weaker topology on $X$ (in particular, if $q_p$ is bounded). Moreover, we give an example which shows that in general the answer to the question is negative.
Intersecciones de historia, memorias y educación: construyendo ciudadanía en América Latina
Authors: Panduro Llerena Reynaldo
Published: January 2025

An interview with Dr. Jaime Vito Paredes, PhD in Contemporary Latin American History from the University of Alcalá, Spain, is presented. He holds a Master’s degree in History from the Pontificia Universidad Católica de Valparaíso (PUCV). Academic of the Institute of History of the PUCV, he specializes in the history of historiography, theory of history, and economic and social history of Latin America. His research focuses on liberalism and state financing in the nineteenth century and has published on the history of Catholicism in Chile during the same century. Since 2003, he has participated in binational historiographical projects directed by Dr. Eduardo Cavieres, collaborating with scholars from Argentina, Bolivia, Chile and Peru. He also coordinates the Eduardo Cavieres Figueroa Chair at the PUCV.
FACTORES ASOCIADOS AL INCREMENTO EN VOLUMEN DE ESPECIES NATIVAS EN UN PROCESO DE RESTAURACIÓN ECOLÓGICA EN COLOMBIA
Authors: Gómez-Jiménez Guillermo Luis , Moreno-Hurtado Flavio Humberto , Osorio-Vélez Luis Fernando
Published: January 2025

La restauración ecológica de áreas degradadas por actividades agrícolas y ganaderas es una necesidad creciente. El presente estudio se realizó con el objetivo de evaluar el desempeño de 29 especies nativas plantadas y su relación con algunas variables edáficas y topográficas en áreas del programa “Más Bosques para Medellín”. Este implementa un modelo de restauración ecológica con especies nativas en zonas rurales del municipio de Medellín. Se tomaron las variables dasométricas diámetro a la base del cuello (DBC), diámetro a la altura de pecho (DAP) y altura total (HT) en 30 parcelas circulares permanentes. Se analizó la relación entre el incremento en volumen de las especies con las variables edáficas y se calculó el índice de plasticidad fenotípica (principal medio de aclimatación a la heterogeneidad ambiental). Los mayores incrementos en volumen estuvieron relacionados con los sitios que presentaron mayor pH, mayor contenido de macronutrientes y alto contenido de materia orgánica. La tasa de crecimiento de las especies no mostró relación significativa con la plasticidad. Especies como Alnus acuminata, Montanoa quadrangularis y Croton magdalenensis, mostraron los mayores valores de incremento en volumen, lo cual sugiere que tienen alto potencial en las primeras etapas del proceso de restauración ecológica. Mientras que especies con índices de plasticidad altos y medios y con tasas de crecimiento bajas, como Weinmannia pubescens, Cecropia angustifolia, Meriania nobilis, Vismia sp., Turpinia occidentalis y Myrcia sp., se podrían introducir en etapas más avanzadas del proceso, una vez se haya controlado la competencia con las pasturas y otras condiciones.
History Unexplored - Sardar Velappanaidu’s Role in Freedom Struggle
Authors: Shenbagavalli S. , Kalaivani P.
Published: January 2025

India is a vast country with a diverse range of customs and cultures. The construction of India’s history involves a substantial amount of regional history. Even though India has now celebrated 75 years of independence, Azadi Ka Amit Mahotsav, the younger generation is still unaware of the local freedom fighters who also played a crucial role in setting India free. Therefore, it is essential to review, restore, and document the part played by every Indian region during various stages of the freedom movement, as well as to inspire the next generation with a new zeal and passion and to reconstruct an extensive history. In an attempt to trace the freedom fighters of our region, we the researchers were able to identify the lesser-known freedom fighter Vellapa Naidu of Guruvappanayakkanur, in Udumalpet Taluk. An attempt is made to bring into the limelight the invaluable contribution of Vellapa Naidu towards national Independence. In the present work, a sincere effort has been made to portray the instrumental role of Vellapa Naidu in propagating Gandhian principles and strengthening the freedom struggle from its regional and local perspectives.
ANÁLISE DE CONTEÚDO NA PERSPECTIVA DE BARDIN: CONTRIBUIÇÕES E LIMITAÇÕES PARA A PESQUISA QUALITATIVA EM EDUCAÇÃO
Authors: VALLE PAULO ROBERTO DALLA , FERREIRA JACQUES DE LIMA
Published: January 2025

RESUMO: A análise de conteúdo corresponde a um conjunto de técnicas por meio das quais se pode analisar um grupo de dados. É bastante utilizada em pesquisas qualitativas, especialmente nas investigações da área da educação, por se tratar de uma forma muito eficaz de se compreenderem os conteúdos nem sempre manifestados de um discurso (seja um texto, um gesto ou a enunciação de uma frase, isto é, qualquer forma de comunicação). Assim, o objetivo deste artigo é descrever o método e as técnicas da análise de conteúdo na perspectiva de Bardin (2016) e suas contribuições e limitações para a abordagem qualitativa em educação. A investigação deste artigo apresenta a perspectiva qualitativa, do tipo bibliográfica, de natureza interpretativa, realizada em artigos e livros que tratam da temática. A análise de conteúdo, na perspectiva de Bardin, oferece várias contribuições importantes para a pesquisa qualitativa em educação, incluindo uma análise sistemática e rigorosa dos dados, uma compreensão mais profunda dos fenômenos estudados, uma abordagem flexível e adaptável, a possibilidade de identificação de lacunas na literatura e a triangulação dos dados. As principais limitações da análise de conteúdo para a pesquisa qualitativa em educação incluem o risco de reducionismo, o sobre-exceder na subjetividade diante da construção das categorias, a dificuldade em lidar com dados não textuais e as limitações na generalização dos resultados. É importante que o pesquisador esteja ciente dessas limitações ao utilizar a análise de conteúdo em suas pesquisas.
Biochar and poultry litter compost: Impact on soil fertility and production of corn AG1051
Authors: Tito Gilvanise Alves , Chaves Lúcia Helena Garófalo , Fernandes Josely Dantas , Laurentino Laysa Gabryella de Souza , Silva Andre Alisson Rodrigues da , Kubo Gustavo Tomio Magalhães , Souto Lauter Silva
Published: January 2025

ABSTRACT The sustainability of agricultural production has been demonstrated to be progressively associated with the use of organic fertilizers to improve soil properties and crop production. In this study, the effects of biochar and organic compost, both derived from poultry litter, on soil nutrient availability and the growth and production of the corn cultivar AG1051 were evaluated. The experiment was laid out in a completely randomized design, with ten treatments, including different doses of biochar and organic compost (0, 2.5, 5.0, 7.5, and 10 t ha-1) and three replications. Soils from different treatments were placed in pots (20 kg per pot) and incubated. After incubation, samples taken from all experimental units were subjected to chemical analysis. At the end of the plant growth cycle, the properties of plants, except for ear development, were investigated, and then, to determine the dry mass of leaves and the stalk, plant samples were placed in an oven at 65 °C. The results indicated that organic compost produced from poultry litter was added at 10 t. ha-1 increased the concentrations of calcium (Ca), magnesium (Mg), phosphorus (P), hydrogen (H), and the sum base cations in the soil and enhanced soil cation exchange capacity (CEC), promoting the growth and production components of corn plants, compared to biochar. However, future studies should focus on the residual effects of such organic amendments, and a techno-economic analysis also needs to be performed to predict the conversion of different compounds into biochar.
Effect of fiber hybridization on bi-directionally oriented natural and glass fiber reinforced polymer composites
Authors: Natarajan Lenin Rakesh , Kathiresan Selvakumar , Vinayagam Mohanavel
Published: January 2025

ABSTRACT In recent days the natural fiber reinforced polymer composites getting more attention due to their eco-friendly and reliability in many parts of the industries. The lignocellulosic content in natural fibers influenced to use in corrosion and thermal free applications. The hybrid fiber reinforced composites additionally provides the combination of material properties together, the orientation of fiber reflects in strength of the composites as it acting as load bearing factor of the fiber reinforced composites. So, the present work investigates the effect of hybridization and stacking sequence on various material properties such as density, moisture intake by the material, tensile, impact, hardness and thermal stability. The structural characteristics of the fabricated composites is analyzed through Scanning Electron Microscope. The results concludes that the hybridization of glass fiber mat with cellulose fibers mat such as Pineapple Leaf fiber (PALF) and areca fiber depicts the more acceptable bonding relationship with the matrix thus results in improved properties. The fabricated new set of natural and glass reinforced polymer composites have found the tensile strength between 40–65 MPa, Young’s modulus in the range 950–1400 MPa, Impact strength of about 130–190 KJ/mm2 and thermal stability up to 340–390 °C which is higher than the earlier studies reported.
Enhancing concrete properties with bamboo and jute fibers: a response surface methodology approach
Authors: Annamalai Kumar , Shanmugam Thiru , Sundaram Hemavathi , Jagadeesan Vijayaraghavan
Published: January 2025

ABSTRACT The Design of Experiment (DOE) technique was used to assess the impact of factors such as silica fume, bamboo fibers, and jute fibers on concrete strength. The Box–Behnken design of Response Surface Methodology (RSM) identified the optimal combination of variables and their effects on split tensile and compressive strength at 14 and 28 days. Pareto charts and Analysis of Variance (ANOVA) were used to analyze regression models for these responses. In this study, the jute and bamboo fibers with Silica Fume mixed concrete (each 0.5%) provides the maximum compressive strength of 30.27 MPa and split tensile strength of 3.19 MPa after 28 days of curing. After determining each progression variable’s statistical significance, second-order polynomials were used to create the resulting models. The quality of concrete strength was increased by adding bamboo and jute fibers along with silica fume and further addition of these fibers may reduce the strength of the concrete. The Response Surface and Pareto chart recommended the most significant and influential element for spilt tensile strength is jute and bamboo fibers, and for compressive strength is a jute fiber. Regarding split and compressive strength, the validation test percentage error is less than 3% and 4%, respectively.
Women’s reproductive autonomy during the COVID-19 pandemic: a cross-sectional study
Authors: Barbosa Carolyne Souza de Moura , Silva Ana Cecília Silvestre da , Melo Géssyca Cavalcante de , França Alba Maria Bomfim de
Published: January 2025

Objective: to analyze the reproductive autonomy of women during the COVID-19 pandemic, considering sociodemographic, clinical, and reproductive factors. Method: a quantitative study with a cross-sectional design, conducted with 314 women aged 18 to 49 years old. Data were collected through an online questionnaire containing sociodemographic, clinical, and reproductive data, as well as the Reproductive Autonomy Scale. The Mann-Whitney and Student’s t tests were used to compare variables. Results: significant differences were found between the average scores of “decision-making” and marital status (p = <0.001); and “absence of coercion” and “communication” with age group (p = 0.03 e <0.001), residence (p = <0.001 and <0.01), schooling level (p = 0.02 e 0.02), pregnancy (p = <0.001 e 0.04) and contraception (p = 0.02 e <0.001). Conclusion: not having a sexual partner positively influenced autonomy in reproductive decision-making during the COVID-19 pandemic. Women of younger age, living in the capital, with higher education levels, who had never been pregnant, and who used contraceptives during the pandemic showed greater autonomy in the absence of coercion and communication. It was possible to identify the groups that require greater attention and interventions to support their sexual health and reproductive choices.