Resumen (Objetivo) El objetivo fue analizar la composición de aves asociadas a cultivos orgánicos de cacao (Theobroma cacao) manejado debajo de 3 diferentes tipos de cobertura arbórea. (Metodología) Distribuimos 3 puntos de conteo en cada finca, para registrar todas las aves observadas y escuchadas, en muestreos de 5 minutos. Los conteos fueron realizados por triplicado, tanto en las primeras horas de la mañana como al atardecer. La diferencia en la composición de la avifauna entre las fincas fue analizada con la prueba ANOSIM. Las abundancias se transformaron por medio de la función decostand y el método Hellinger del paquete estadístico R-Vegan. La agrupación de las especies entre las plantaciones se efectuó mediante el escalamiento multidimensional no métrico (nMDS) y el índice de Bray-Curtis. La contribución de las especies a la disimilitud entre grupos fue analizada con el módulo SIMPER. Consideramos diferencias estadísticamente significativas cuando P ≤ 0,05. (Resultados) Observamos 428 individuos, clasificados en 49 especies y 23 familias. La finca donde las plantas de cacao crecen en condiciones más sombreadas, debido al desarrollo del dosel, mostró mayor cantidad de especies (34) y de individuos (146). La composición de aves varió significativamente entre las fincas (F(1,8) = 3,22; P < 0,02). La abundancia media de 19 especies (39,6 %) hizo notar diferencias significativas (P < 0,05), al comparar la finca con mayor sombra y menor sombra. (Conclusión) La composición de aves es más compleja en aquellas fincas de cacao orgánico que conservan un mayor desarrollo estructural de los árboles de dosel y que están cerca de bosque en regeneración.

Resumo (Objetivo) O objetivo foi analisar a composição das aves associadas às plantações de cacau orgânico (Theobroma cacao) manejadas sob três tipos diferentes de cobertura arbórea. (Metodologia) Distribuímos 3 pontos de contagem em cada fazenda, para registrar todas as aves observadas e ouvidas, em amostragens de 5 minutos. As contagens foram realizadas em triplicata, tanto nas primeiras horas da manhã quanto no final da tarde. A diferença na composição da avifauna entre as fazendas foi analisada com o teste ANOSIM. As abundâncias foram transformadas usando a função de costande o método Hellinger do pacote estatístico R-Vegan. O agrupamento de espécies entre as plantações foi feito usando o escalonamento multidimensional não métrico (nMDS) e o índice de Bray-Curtis. A contribuição das espécies para a dissimilaridade entre os grupos foi analisada com o módulo SIMPER. Consideramos as diferenças estatisticamente significativas quando P ≤ 0,05. (Resultados) Observamos 428 indivíduos, classificados em 49 espécies e 23 famílias. A fazenda onde as plantas de cacau crescem em condições mais sombreadas, devido ao desenvolvimento do dossel, apresentou um número maior de espécies (34) e indivíduos (146). A composição das aves variou significativamente entre as fazendas (F(1,8) = 3,2 apresentou diferenças significativas (P < 0,05) n; Paco< 0, mpa 02). A abundância média de 19 espécies (39,6%) ração entre a fazenda mais sombreada e a menos sombreada. (Conclusão) A composição das avesé mais complexa nas fazendas de cacau orgânico que mantêm árvores de dossel mais desenvolvidas estruturalmente e estão próximas à floresta em regeneração.

Abstract (Objective) The objective of this investigation was to analyze the composition of birds associated with organic cocoa (Theobroma cacao) crops managed under 3 different types of tree cover. (Methodology) Three census points were established in each farm to record all birds observed and heard in 5-minute sample periods. Counts were conducted in triplicate, both in the early morning and at dusk. Differences in avifauna composition between farms were analyzed using the ANOSIM test. Abundances were transformed using the Decostand function and the Hellinger method in the R-Vegan statistical package. Analysis of clustering of species among plantations was performed using non-metric multidimensional scaling (nMDS) and the Bray-Curtis index. Contribution of species to the dissimilarity between groups was analyzed with the SIMPER module. Statistically significant differences were considered when P ≤ 0.05. (Results) Four hundred and twenty-eight individuals were observed, and classified into 49 species and 23 families. The farms where cocoa plants grow in shadier conditions due to canopy development showed a higher number of species (34) and individuals (146). Bird comp P < 0.02). The mean abundance of 19 species osit (39.ion 6%) varied significantly between farms (F (1,8) = 3.22; showed significant differences (P < 0.05) when comparing the farms with the most and least shade. (Conclusion) Bird composition is more complex on organic cocoa farms, which have more developed canopies and are near regenerating forests.

SUMMARY: The rapid advancement of the Internet of Things (IoT) has transformed our lives by connecting objects and creating an intelligent environment that drives automation and massive data collection. IoT has overcome challenges through remote monitoring, robotics, and sensors, with powerful wireless technologies opening up possibilities in various fields, including anatomical techniques. The objective of this study is to demonstrate the feasibility and benefits of integrating IoT technology into the body maceration process by developing a low-cost, accessible, automated maceration control device compatible with theArduino IDE programming environment. Using an open-source NodeMCU system based on the ESP-12E chip, which employs the LUA programming language and is compatible with Arduino IDE, we incorporated a microSD card reader module for data storage, a digital temperature sensor (DS18B20), a clock module (DS3231), a magnetic stirrer, and an aquarium heater controlled by a digital thermostat with relay (W1209). To validate the device, we conducted maceration tests on C57BL mice, comparing two groups: Control (n=5; weight=17g) subjected to maceration in 4 liters of water at 10°C without agitation; Experimental (n=5; weight=17g) exposed to maceration in 4 liters of water at 35°C, with agitation at 1500 r/min and water flow renewal at a rate of 900 ml/h. Specimens were evaluated for their degree of maceration, cleaned, weighed, and photographed. The maceration time for the control and experi- mental groups was 730 hours and 60 hours, respectively. In the experimental group, no foul odors, damage, or bone demineralization were detected. The device cost was 60 USD, and programming through the Arduino IDE environment was straightforward. The focus on hardware contributed to accessibility and time savings. The system operated with a conventional power supply and required a water supply, making it adaptable to various configurations with greater capacity. Under this configuration, we effectively controlled the variables (temperature, agitation, and water flow). The NodeMCU-based bone maceration system improved the performance and adaptability of existing systems and increased accessibility by reducing costs, complexity, and foul odors.

RESUMEN: El rápido avance del Internet de las Cosas (IoT) ha transformado nuestras vidas al conectar objetos y crear un entorno inteligente que impulsa la automatización y la recolección masiva de datos. El IoT ha superado desafíos a través del monitoreo remoto, la robótica y los sensores, con tecnologías inalámbricas potentes que abren posibilidades en diversos campos, incluidas la anatomía y las técnicas anatómicas. El objetivo de este estudio fue demostrar la viabilidad y los beneficios de integrar la tecnología IoT en el proceso de maceración cadavérica mediante el desarrollo de un dispositivo de control de maceración automatizado, accesible y de bajo costo, compatible con el entorno de programación Arduino IDE. Usando un sistema NodeMCU de código abierto basado en el chip ESP-12E, que emplea el lenguaje de programación LUA y es compatible con Arduino IDE, incorporamos un módulo lector de tarjetas microSD para el almacenamiento de datos, un sensor de temperatura digital (DS18B20), un módulo de reloj (DS3231), un agitador magnético y un calentador de acuario controlado por un termostato digital con relé (W1209). Para validar el dispositivo, realizamos pruebas de maceración en ratones C57BL, comparando dos grupos: control (n=5; peso=17g) sometido a maceración en 4 litros de agua a 10°C sin agitación; experimental (n=5; peso=17g) expuesto a maceración en 4 litros de agua a 35°C, con agitación a 1500 r/min y renovación del flujo de agua a una velocidad de 900 ml/h. Los especímenes fueron evaluados según su grado de maceración, limpiados, pesados y fotografiados. El tiempo de maceración para los grupos control y experimental fue de 730 horas y 60 horas, respectivamente. En el grupo experimental no se detectaron malos olores, daños ni desmineralización de los huesos. El costo del dispositivo fue de 60 USD y la programación a través del entorno Arduino IDE fue sencilla. El enfoque en el hardware contribuyó a la accesibilidad y al ahorro de tiempo. El sistema operaba con una fuente de alimentación convencional y requería un suministro de agua, lo que lo hace adaptable a diversas configuraciones con mayor capacidad. Bajo esta configuración, controlamos eficazmente las variables (temperatura, agitación y flujo de agua). El sistema de maceración ósea basado en NodeMCU mejoró el rendimiento y la adaptabilidad de los sistemas existentes, y aumentó la accesibilidad al reducir los costos, la complejidad y los malos olores.

ABSTRACT Fossil fuels, particularly oil, face sustainability challenges due to depletion and their role in increasing atmospheric CO2 levels, contributing to climate change and impacting global agriculture. Renewable energy sources like solar power offer a viable alternative. This study explores the feasibility of agro-photovoltaic (APV) systems, which integrate solar panels with agricultural land to generate electricity while cultivating crops. Specifically, the impact of APV systems on rice production and quality was investigated. Solar modules with a total capacity of 99.84 kW were installed on a 2580 m2 site, with two module configurations tested. Two rice (Oryza sativa L.) cultivars, Woonkwang and Saenuri, were transplanted and monitored for growth characteristics, chlorophyll content, and fluorescence, as well as yield and quality. Growth analysis of rice under APV systems showed minimal impact on plant height and tiller numbers, though chlorophyll content analysis indicated delayed leaf aging and extended maturation time. Rice yield decreased due to altered panicle and spikelet numbers. Quality analysis revealed changes in head rice rate and broken rice, stressing optimal harvest timing in APV systems. Shading conditions also affected physicochemical properties and taste profiles. Yields dropped by about 20% under APV systems, but the financial returns from electricity generation significantly outweighed the crop revenue loss. Despite the high initial installation costs and regulatory challenges, APV systems present a promising dual-use approach for enhancing farm income and promoting renewable energy. Continued research and investment are essential for optimizing APV systems and expanding their adoption.

Resumen La investigación tiene como objetivo la elaboración de un modelo agrometeorológico de pronóstico del rendimiento agrícola azucarero. Se tomaron los rendimientos por cepas y totales, área de cada cepa y total, y edad de la plantación de 13 Unidades Empresariales de Base de las provincias Cienfuegos, Sancti Spíritus y Ciego de Ávila en el período 1980-2015; así como, registros mensuales de precipitación, temperatura media y evapotranspiración de siete estaciones meteorológicas. Se calculó el Índice Potencial Productivo según la fase fenológica en la que se encuentre para comprobar su grado de efectividad. Para el procesamiento estadístico se utilizó el tabulador Excel, STATISTICA versión 8.0.5 y el módulo matemático SciPy. La efectividad de las estimaciones de rendimiento agrícola obtenidas con el modelo presentado para las zafras 2011 - 2015, se comparó usando el coeficiente de determinación R2, analizando la relación establecida entre las variables regresoras y el predictando. El modelo de regresión lineal múltiple permite realizar pronósticos de rendimiento agrícola con precisión y ajuste, en dependencia de los escenarios comerciales concretos de la producción cañera del país. La provincia Ciego de Ávila revela, de las tres en estudio, el mayor grado de efectividad en la estimación del rendimiento agrícola de la caña de azúcar.

Abstract The objective of the research is the development of an agrometeorological model for forecasting sugar agricultural yield. The yields by strains and totals, area of each strain and total, and age of the plantation were taken from 13 Management Business Units in the Cienfuegos, Sancti Spíritus and Ciego de Ávila provinces in the period 1980-2015; as well as monthly records of precipitation, average temperature and evapotranspiration from seven meteorological stations. The Productive Potential Index was calculated according to the phenological phase in which it is found to verify its degree of effectiveness. For statistical processing, the Excel tabulator, STATISTICA version 8.0.5 and the SciPy mathematical module were used. The effectiveness of the agricultural yield estimates obtained with the model presented for the 2011 - 2015 harvests was compared using the coefficient of determination R2, analyzing the relationship established between the regressor variables and the predictand. The multiple linear regression model allows agricultural performance forecasts to be made with precision and adjustment, depending on the specific commercial scenarios of the country's sugarcane production. The province of Ciego de Ávila reveals, of the three under study, the highest degree of effectiveness in estimating the agricultural yield of sugar cane.

BACKGROUND: Multimodal or online learning is the use of electronic technology to deliver, support and enhance both learning and teaching. It involves communication between learner nurses and lecturers using online content. The study aims to contribute to achieving Sustainable Development Goal 4 on quality education by promoting inclusive education at tertiary institutions. The use of multimodal teaching and learning (MTL) in higher education institutions (HEI) has increased over the last decade, particularly during the COVID-19 pandemic OBJECTIVES: To explore and describe the perspectives of the undergraduate learner nurses regarding MTL challenges at the HEI, Limpopo Province, South Africa METHODS: A qualitative, explorative, descriptive and contextual research design was used to explore and describe the perspectives of the undergraduate nurses at a HEI in Limpopo Province, South Africa. A non-probability purposive sampling method was employed to select participants. Data were collected through five focus group interviews (FGI) and analysed using Tesch's open coding data analysis method. Measures to ensure trustworthiness and ethical considerations were adhered to throughout the study RESULTS: Study findings revealed the perspectives of the undergraduate nurses during MTL. The challenges related to connectivity issues, technological difficulties during online teaching, learning and assessment as well as the unapproved platforms used by module facilitators for online teaching CONCLUSION: Undergraduate learner nurses expressed their perspectives regarding the challenges they experience when using MTL. Our study findings could influence educational institutions and policymakers to improve the quality of online teaching, learning and assessment by embracing innovative instructional techniques and providing teachers with ongoing training

ABSTRACT Soil compaction due to agricultural machinery traffic is a threat to soil productivity and soil ecological functions. The prediction of soil stresses and compaction that soil bear during the harvest and transport are fundamental indications in the prevention strategies and remediation of the soil compaction. The objective of this research was to predict soil compaction caused by harvesters and transport equipment during sugarcane harvest on soft soil. Machinery traffic was simulated using the TASC V3.0 model, Module 1 "Stress Propagation and Soil Damage" was used. The machine system used for harvest sugarcane were formed by harvesters CASE IH 8800, and tipping tows 7CX (SC)-10 pulling by tractors YTO 1608 or XTZ 150K-09. Parameters from machinery and soil are introducing as data. The use of modelling TASC V3.0 permitted to predict soil compaction caused by harvesters and transport equipment during sugarcane harvest on soft soil. More severe soil compaction was obtained during use of tipping tow 7CX (SC)-10 due to high mean contact pressure and high tire load, which caused severe soil compaction until a depth of 0.37 m. Rear tire of tractor YTO 1604 caused severe soil compaction too reaching 0.31 m of depth. In general sense all equipment caused severe soil compaction in tillage layer, therefore must be make decompactions works with the objective to loose soil in depth for a good developed of sugarcane ratoons.

RESUMEN La compactación del suelo debido al tráfico de maquinaria agrícola es una amenaza para la productividad y las funciones ecológicas del suelo. La predicción de los esfuerzos del suelo y la compactación que soporta el suelo durante la cosecha y el transporte son indicaciones fundamentales en las estrategias de prevención y remediación de la compactación del suelo. El objetivo de esta investigación fue predecir la compactación del suelo causada por cosechadoras y equipos de transporte durante la cosecha de caña de azúcar en suelos blandos. El tráfico de maquinaria se simuló utilizando el modelo TASC V3.0, se utilizó el Módulo 1 “Propagación de Esfuerzos y Daño al Suelo”. El sistema de máquinas utilizado para la cosecha de caña de azúcar estuvo formado por cosechadoras CASE IH 8800, y remolques basculantes 7CX (SC)-10 tirados por tractores YTO 1608 o XTZ 150K-09. Se introducen como datos parámetros de maquinaria y suelo. El uso del modelado TASC V3.0 permitió predecir la compactación del suelo causada por cosechadoras y equipos de transporte durante la cosecha de caña de azúcar en suelos blandos. Se obtuvo una compactación del suelo más severa durante el uso del remolque basculante 7CX (SC)-10 debido a la alta presión media de contacto y la alta carga de los neumáticos, lo que provocó una compactación severa del suelo hasta una profundidad de 0,37 m. El neumático trasero del tractor YTO 1604 provocó una fuerte compactación del suelo alcanzando 0,31 m de profundidad. En sentido general todos los equipos ocasionaron una severa compactación del suelo en la capa de labranza, por lo que se deben realizar trabajos de descompactación con el objetivo de aflojar el suelo en profundidad hasta 0.37 m para un buen desarrollo de los retoños de caña de azúcar.

Hierdie sewe-jaar longitudinale opvoedingstudie evalueer drie akademiese afleweringsmodusse vir deeltydse MBA-studente in hul Bemarkingsbestuursmodule, naamlik vol kontak (20172019), vol aanlyn tydens COVID-19 se harde inperking (2020-2021 en die daaropvolgende gemengde modus (2022-2023). Die studie het ten doel om te bepaal of die afleweringsmodus studente se akademiese prestasie beduidend beïnvloed. Die eenrigting-variansie-analise (EVA) het beduidende verskille tussen die afleweringsmodusse vir individuele opdragte (normatiewe assessering) en groepgevallestudies (summatiewe assessering) geïdentifiseer. Daar was ook betekenisvolle verskille tussen die akademiese prestasie ten opsigte van die finale saamgestelde portefeulje van kennis (wat as eksamen dien). Hierdie portefeulje bestaan uit 'n prakties-toegepaste bemarkingsplan. Die post-hoc toetse het getoon dat studente aansienlik beter gevaar het tydens die gemengde afleweringsmodus in individuele opdragte, terwyl die volledige aanlyn modus laer punte vir die groepgevallestudies gehad het. Beide die gemengde en volledige kontakmodusse het beduidende opeenvolgende verbetering vir die groepgevallestudies getoon, wat in elke gevallestudie verbetering getoon het namate die semester gevorder het. Dit verskil van volledige aanlyn onderrig. Die gemengde modus het ook aansienlik beter gevaar in die eksamen- en finale modulepunte en het selfs beter gevaar as volkontakklasse.

The COVID-19 pandemic significantly transformed the tertiary education landscape. Traditional contact universities were forced abruptly to adopt a full-distance education mode, a situation neither the students nor lecturers were prepared for. Many lectures and teaching activities were developed on the fly as universities struggled to roll out the needed support in double-time for lecturers and students. This new normal for education required integrating technology, advanced communication software, revised assessment techniques, and recognising the need for flexible and adaptable approaches to teaching and learning. Students also evolved and gained technological proficiency, adaptability, time management, soft skills, social media proficiency, and an awareness of health and well-being. Albeit uncertain in redefining the new normal, universities continue to provide quality education. However, exactly how university education should be delivered to a new breed of students in a new business environment is a challenge. This is even more so in the case of executive MBA students. After the hard lockdown and restrictions were lifted on 21 September 2020, the North-West University Business School started to explore other modes of academic content delivery. Reinstating a full contact delivery mode was not an option because of remaining restrictions. High technological investment, online-educated lecturers and students, and benefits and developments during online learning now form a new normal for the Business School. Which teaching method, or rather, which mode of delivery, is the most relevant and adequate? Should the MBA lectures return to the historic full-contact delivery mode, stick with the newly established full online mode, or attempt to integrate the benefits of both into a hybrid mode of delivering business education to a new breed of technology-savvy students? This study, therefore, examines the academic performance of the different delivery modes by comparing data of Executive MBA Marketing management students at the NWU Business School in South Africa. The study examines the academic performance of these students from 2017 up to 2023. The panel database consists of Executive MBA students'marks for the module in Marketing Management from 2017 up to 2023. The database contains marks for individual assignments, groupwork case studies, final individual- and groupwork marks, exam marks and the final module mark. The final assessment is a portfolio of evidence comprising a detailed marketing plan for a product, service, or organisation of choice. The mode of delivery served as the dependent variable, while the independent variables comprised the marks for each assignment (groupwork, individual and portfolio of evidence). Three delivery modes were compared, namely full-contact (2017-2019), full-online (2020-2021), and the post-pandemic hybrid mode currently in effect (2022-2023). The data comprised 630 cases. However, the analysis of variance (ANOVA) used 532 cases to compare the different groupwork assignments (230 full-contact students, 159 full-online students, and 143 hybrid students). Cronbach's alpha coefficient measured the data's reliability, and one-way ANOVA determined significant differences (p<.05) between the academic performance of the three delivery modes. The analysis confirmed that significant differences exist between the modes of delivery for individual assignments, group case studies and exams (p<.05). The Tukey ab post-hoc tests showed that students performed significantly better during the hybrid delivery mode in individual assignments (69.2%) than full contact (63.8%). Regarding the individual assignment, the full online (63.8%) and full contact (63.7%) delivery modes perform significantly worse than the hybrid (69.2%) delivery mode. Regarding the first group case study (Group Assignment 1), full online performs (67.3%) significantly worse than hybrid (71.1%) and full contact (73.6%) delivery modes. There is no significant difference between the hybrid and full contact delivery modes. In the second, third, and fourth group case studies (Group Assignments 2, 3 & 4), the hybrid delivery mode (82.37%, 75.4%, 82.7%) outperforms the full contact (75.4, 80.1%, 86.6%) and full-online (71.4%, 71.4%, 67.8%) modes. The hybrid delivery mode, therefore, proves to be more conducive towards academic performance in group work. Finally, in considering the final module mark, the hybrid delivery mode (71.0%) is significantly higher than the other two delivery modes. However, there is no significant difference between full online (67.5%) and full-contact (67.2%) delivery modes regarding the final module mark. Nevertheless, it is noteworthy that the better performance in the final module marks is a function of the groupwork where the students analysed case studies together. There are no significant differences in the exam marks between the delivery modes, so better academic performance in the hybrid mode of delivery where groupwork is concerned culminates in the better module mark. Based on the findings, it is evident that the hybrid mode of delivery results in the best academic performance. This observation is based on three reasons, namely 1) students performed better in both the normative and summative assessments during hybrid tuition; 2) there is continuous progressive learning throughout the semester regarding the group case studies (summative assessment). They learn to improve and hone their skills to analyse better and apply business solutions to real-life problems experienced by organisations. This is based on students' improving marks in the group case studies as they become more proficient in analysing and answering the applied case studies because they learn from each case study; and 3) the students perform better academically in their normative assessments and earn higher final module marks (partially due to reason 2). It is concluded that the hybrid delivery mode facilitates the academic performance of post-pandemic executive MBA Marketing management students. JEL KODES: I23, I21, M30

INTRODUCTION: The undergraduate dental students at the higher learning institutes are expected to acquire clinical skills to deliver proper oral healthcare to patients. Various teaching strategies are used by lecturers to teach the students, and these teaching strategies need to be reviewed by obtaining feedback to improve teaching and learning Aims and objectives: To describe the experiences of dental students regarding the teaching and learning strategies being used in the Prosthetic Dentistry module. METHODS: Final year dental students were asked to participate in the study since they were recipients of teaching and learning in the department of Prosthetic Dentistry. Semi-structured interviews were conducted and the data captured in this study were analysed by means of a six-phase approach to thematic analysis RESULTS: The participants' responses to teaching strategies revealed that students perceived that in preclinical teaching, different teaching strategies were used. However, a few participants perceived some of these strategies were not effective CONCLUSION: The recommended methods of teaching were those that promoted active student participation. Lecturers in the department of Prosthetic Dentistry use didactic teaching and this may be due to a lack of knowledge regarding other teaching strategies as options in health professions' education

Resumen La Organización de las Naciones Unidas expone que la educación es un elemento crucial para disminuir los índices de pobreza de cualquier país si ésta es: accesible, adaptable, aceptable y asequible; conocidas como las 4A´s de la educación, las cuales están consideradas dentro de la política educativa nacional. El presente documento analiza el efecto de las 4A´s de la educación en la pobreza multidimensional moderada por ingresos y pobreza extrema por ingresos en México en los años 2010 y 2020. Lo anterior se logra con el análisis de microdatos del Módulo de Condiciones Socioeconómicas de la Encuesta Nacional de Ingresos y Gasto de los Hogares (MCS - ENIGH) 2010 y 2020 y con modelos dicotómicos tipo logit. Los resultados indican que las 4A´s tienen un efecto mayor en la reducción de la pobreza multidimensional extrema por ingresos que en la moderada, incluso en distintos periodos.

Abstract The United Nations claims that education is a crucial element in reducing poverty rates in any country if it is accessible, adaptable, acceptable, and affordable; known as the 4A’s of education, which are considered within the national education policy. This paper analyzes the effect of the 4A’s of education on multidimensional moderate-income poverty and extreme income poverty in Mexico in the years 2010 and 2020. This is achieved with the analysis of microdata from the Module of Socioeconomic Conditions of the National Survey of Household Income and Expenditure (MCS - ENIGH) 2010 and 2020 and with dichotomous logit models. The results indicate that the 4A’s have a greater effect on the reduction of multidimensional extreme income poverty than on moderate, even over different periods.

Abstract: For years, solar energy has been a subject of study for electricity generation as an alternative power source. The main objective of this project is to carry out a comparative analysis of the production of electrical energy between fixed photovoltaic panels and those with tracking systems on one axis. Three solar modules were designed and built with the same technical characteristics but different solar tracking systems; Single-axis tracking systems will use tracking systems by astronomical programming and light tracking by LDR sensors. Current, voltage and temperature sensors were implemented along with software capable of obtaining the characteristic curves of the production behavior in each prototype. The data processing, as well as the management of I/O signals coming from the different electronic components associated with the operation of each system, are governed by an Arduino mega board linked to an Ethernet module to be able to observe the curves of production from a website, all operating automatically. Therefore, we determined that the PV system by astronomical programming is the most convenient, due to its lower energy consumption when correcting the panel's position. Abstract years source axis Singleaxis Single Current prototype processing IO I O website automatically Therefore convenient panel s position

Resumen: Desde hace años la energía solar viene siendo motivo de estudio para la generación eléctrica como fuente de alimentación alternativa. El objetivo principal de este proyecto es realizar un análisis comparativo de la producción de energía eléctrica entre paneles fotovoltaicos fijos y con sistemas de seguimiento en un eje. Se diseño y construyó tres módulos solares con las mismas características técnicas, pero con diferentes sistemas de seguimiento solar; los sistemas seguidores de un eje utilizaron sistemas de seguimiento por programación astronómica y seguimiento de luz por sensores LDR. Se implementaron sensores de corriente, voltaje y temperatura, así como un software encargado de obtener las curvas características del comportamiento de la producción en cada prototipo. El procesamiento de los datos, así como la gestión de señales de E/S proveniente de los diferentes componentes electrónicos asociados al funcionamiento de cada sistema, son gobernados por una placa Arduino mega unida a un módulo ethernet con la finalidad de poder observar las curvas de producción desde un sitio web, todo esto operando de manera autómata. Por tanto, determinamos que el sistema FV por programación astronómica es el más conveniente, debido a su menor consumo energético al corregir la posición del panel. Resumen alternativa técnicas LDR corriente temperatura prototipo datos ES E S web autómata tanto conveniente panel

Abstract: This investigation compared the efficiency of a flat-plate solar collector with triangular and square geometry, by using the finite element method (FEM). The design of the geometries and the utilized parameters for the simulation were obtained from previous publications. SolidWorks was used to model the two collectors, meanwhile, the Fluent module of the ANSYS software was used for the simulation by the FEM. Collectors integrated a pipe of 7 mm internal diameter with a plate thickness of 11 mm; the defined material was aluminum. The experiment was conducted under ambient conditions at a temperature of 20 °C, accompanied by a solar radiation intensity of 1000 W·m-2. The heat transfer surfaces employed were 61 250 mm2 for the triangular collector and 122 500 mm2 for the square collector. The quality of the mesh was excellent, obtaining a skewness of 0.2486, with which efficiencies of 62 and 39 % and maximum temperatures of 27 and 25.5 °C were obtained for the triangular and square collectors, respectively. Due to the geometries performing as fins, the temperatures are higher in the corners and, therefore, achieving higher efficiency is impossible.

Resumen: En esta investigación, se comparó la eficiencia de un colector solar de placa plana con geometría triangular y cuadrada, a través del enfoque del método de elementos finitos (FEM, por sus siglas en inglés), se llevó a cabo la simulación. Las geometrías y los parámetros empleados en la simulación fueron extraídos de investigaciones previamente publicadas. Se utilizó el software SolidWorks para el modelado de los dos colectores, mientras que el módulo Fluent del software ANSYS fue utilizado para la simulación por el método FEM. Para los colectores se utilizó una tubería de 7 mm de diámetro interno, con un espesor de placa de 11 mm y de aluminio. Se consideró temperatura ambiente de 20 °C, con una radiación solar de 1000 W·m-2 y superficies de transferencia de calor 61 250 y 122 500 mm2 para el colector triangular y cuadrado, respectivamente. La calidad del mallado fue excelente, alcanzando skewness de 0.2486. De esta manera, luego del proceso de simulación se obtuvo eficiencias de 62 y 39 % y temperaturas máximas de 27 y 25.5 °C para el colector triangular y cuadrado, respectivamente. Debido a que las geometrías actúan como aletas, las temperaturas son más altas en las esquinas y por esto no es posible alcanzar mayor eficiencia.

BACKGROUND. The 2030 Agenda for Sustainable Development is a blueprint for world peace and prosperity. The 17 Sustainable Development Goals (SDGs) in the agenda are to be met by the governments of both developed and developing countries. Interprofessional education (IPE) may be regarded as a mechanism for achieving SDG 3. OBJECTIVES. To investigate how students perceive an interprofessional first-year curriculum that contributes to the accomplishment of SDG 3. METHODS. The study design was focused on consensus-building strategies. The students' perceptions of the IPE part of the first-year module were measured on a 4-point Likert scale. RESULTS. Students agreed that the content in the interprofessional module is suitable to promote teamwork skills and learning. There was no consensus regarding their understanding of the role of their own profession in an interprofessional team. Participants agreed that IPE helps students learn, encourages teamwork, and is good for both patients and themselves as future healthcare workers. CONCLUSION. IPE in health professions education has many benefits and can be seen as a vehicle to reach SDG 3, which aims to improve the health and wellbeing of all people at all ages.

Abstract: This work studies social mobility by gender at the regional and state level in Mexico. Two surveys designed to measure social mobility in Mexico are used, the 2016 Module of Intergenerational Social Mobility (Módulo de Movilidad Social Intergeneracional) and the 2017 ESRU Social Mobility Survey (Encuesta ESRU de Movilidad Social). An index of socioeconomic status is constructed both for the current household (children) and the household of origin (parents) based on retrospective questions from when the respondent was 14 years old. Using rank-rank regressions, we find that at the national level, women have lower intergenerational persistence and lower expected rank than men. At the regional and state level, those results are not so statistically clear. In the lower end of the socioeconomic distribution, expected ranks are approximately the same across states; however, at the upper end, it is observed that men have higher expected ranks than women in 13 states.

Resumen: Este trabajo estudia la movilidad social por género a nivel regional y en las entidades federativas de México. Se utilizan dos encuestas diseñadas para medir la movilidad social en el país, el Módulo de Movilidad Social Intergeneracional 2016 y la Encuesta ESRU de Movilidad Social en México 2017. Se construye un índice de estatus socioeconómico en el hogar actual (hijos) y en el hogar de origen (padres), con base en preguntas retrospectivas cuando la o el respondente tenían 14 años. Por medio de una regresión rango-rango se encuentra que, a nivel nacional, las mujeres tienen menor persistencia intergeneracional y menor movilidad social esperada que los hombres. A nivel regional y por entidad federativa esos resultados no son tan claros estadísticamente. En la parte baja de la distribución socioeconómica, la movilidad esperada es aproximadamente la misma entre entidades; sin embargo, en la parte alta se observa que los hombres tienen una mayor movilidad social esperada que las mujeres en 13 entidades federativas.

Abstract: Computer vision, for decades, has been involved in solving problems in everyday life, under the implementation of different computational methods, that have evolved over time. Feature extraction, along with other computer techniques, is considered a way to develop computer vision systems; currently, plays an important role, considered a complex task, allowing to obtain essential descriptors of the segmented images, differentiating particular characteristics between different classes, even when they share similarity with each other, guaranteeing the delivery of information not redundant to classification algorithms. Likewise, in this work, a computer vision system has been developed for the recognition of foliar damage caused by diseases and pests in tomato plants. The methodology implemented is based on four modules: preprocessing, segmentation, feature extraction, and classification; in the first module, the image is preprocessed of a color space RGB to L*a*b*; in the second module, the area interest was segmented, under the implementation of the algorithm principal component analysis PCA; in the third module, features are extracted from the area of interest, obtaining texture descriptors with the Haralick algorithm, and chromatic features through Contrast descriptors, Hu moments, Gabor characteristics, Fourier descriptors, and discrete cosine transform DCT; in the fourth module, the performance of the classification algorithms were tested, with the characteristics obtained from the previous stage, considering: SVM, Backpropagation, Logistic Regression, KNN, and Random Forests.

Resumo Em indivíduos com dor crónica (DC), as emoções têm um papel preponderante, podendo interferir na perceção de intensidade e a nível cognitivo, com a presença de crenças disfuncionais e, por vezes, ausência da confiança de que é possível ultrapassar o momento doloroso. Assim, os objetivos do estudo são: caracterizar a inteligência emocional (IE) e a autoeficácia (AE) de indivíduos com DC; e explorar a relação entre IE e AE em função da DC. Responderam presencialmente a um Questionário Sociodemográfico e Clínico desenvolvido para o efeito, ao Questionário de Regulação Emocional, à General Self-Efficacy Scale e ao Módulo de AE para a Dor, elaborado para este estudo, 120 pacientes adultos da consulta de Psicologia-Dor de um Hospital público (estudo transversal). A reavaliação cognitiva (RC) e a supressão emocional (SE) apresentaram valores médios superiores aos descritos na literatura. A AE da amostra encontrava-se em níveis inferiores ao estado da arte e à média da população portuguesa. A AE demonstrou uma relação com a SE em indivíduos com dor moderada e com a RC na dor intensa. Os resultados reforçam a pertinência de focar a IE e a AE na intervenção junto de indivíduos com DC.

Abstract In individuals with chronic pain (CP), emotions play a major role and can interfere with the perception of intensity and at a cognitive level, with the presence of dysfunctional beliefs and, sometimes, a lack of confidence that it is possible to overcome the painful moment. The aims of the study were therefore: to characterize the emotional intelligence (EI) and self-efficacy (SE) of individuals with CP; and to explore the relationship between EI and SE as a function of CP. A total of 120 adult patients from the Psychology-Pain clinic of a public hospital answered a Sociodemographic and Clinical Questionnaire developed for this purpose, the Emotional Regulation Questionnaire, the General Self-Efficacy Scale and the Self-Efficacy Module for Pain, prepared for this study (cross-sectional study). Cognitive reappraisal (CR) and emotional suppression (ES) showed average values higher than those described in the literature. The SE of the sample was lower than the state of the art and the average for the Portuguese population. SE showed a relationship with ES in individuals with moderate pain and with CR in severe pain. The results reinforce the relevance of focusing on EI and SE in interventions with individuals with CP.