Conciencia ambiental para la conservación de los humedales de Santa Rosa, Chancay, Región Lima, 2022

La presente investigación fue realizada en el poblado de Peralvillo, perteneciente al distrito de Chancay, donde tuvo como objetivo principal identificar el nivel afectivo de la conciencia ambiental en los pobladores de los Humedales de Santa Rosa. Así mismo, se planteó usar cuatro objetivos específicos que beneficiaron a alcanzar el objetivo general. Por la naturaleza de su desarrollo, la investigación se caracteriza por tener un enfoque cuantitativo, por ser un tipo descriptivo y de un diseño transversal - no experimental. En relación sobre los resultados, se ha utilizado el instrumento denominado cuestionario. Además, la población estuvo conformada por 15,634 pobladores pertenecientes al poblado de Peralvillo, al aplicar la fórmula para encontrar la muestra, se obtuvo un total de 374.97, pero al final se tomó la decisión de encuestar a 376 personas de manera individual. Estos datos fueron analizados mediante el programa Excel para obtener resultados más exactos, los cuales concluyeron y se interpretó que la población contiene un nivel medio del 77% de conciencia ambiental. Por lo que es recomendable poder reforzar, informar y sensibilizar a la población, ya que de esta manera se podría formar personas que tengan un respeto y un valor por el cuidado del medi o ambiente

Acoso sexual y desempeño laboral en los operarios de la empresa industrial Pamolsa región Callao, 2021

La siguiente investigación Acoso sexual y desempeño laboral en los operarios de la empresa industrial PAMOLSA de la región Callao, se desarrolló en la provincia del Callao, durante el período 2021, teniendo como objetivo general; determinar el nivel de relación que existe entre el acoso sexual y el desempeño laboral en los colaboradores operarios de la empresa industrial PAMOLSA Callao, 2021. La metodología, estableció una investigación de tipo descriptivo y correccional, con un diseño no experimental y de enfoque cuantitativo. La población fue constituida por 1597 trabajadores del área operaria de la empresa PAMOLSA en la región Callao, se utilizó la fórmula del muestreo simple obteniendo una cantidad de 153 participantes quienes voluntariamente decidieron formar del estudio. Las técnicas se apoyaron en encuestas de preguntas cerradas y los instrumentos empleados se basaron en dos cuestionarios para medir el acoso sexual y el desempeño laboral, utilizando la escala de Likert para calificar las respuestas. Se demostró a través de la prueba estadística Rho de Spearman, el cual permite tener un valor de significancia para comprobar hipótesis, que existe una relación entre el acoso sexual y el desempeño laboral, lo cual hace que la persona afectada no tenga un rendimiento laboral como el de antes. Asimismo, se encontró que la variable acoso sexual obtuvo un nivel bajo del 77.12%, no teniendo un alcance alto según referencia de los encuestados, y donde la variable desempeño laboral presentó un 93.46% de nivel alto, lo cual indica que los operarios son eficaces en sus funciones.TesisComunicación y desarrollo human

Modelado del tráfico vehicular usando ProModel para disminuir la congestión vehicular en la Av. Mario Urteaga cuadras 1 hasta 6 de la ciudad de Cajamarca

Esta investigación se centra el estudio de la congestión vehicular en la avenida Mario Urteaga de la ciudad de Cajamarca. El objetivo fue desarrollar alternativa de solución que permitan disminuir la congestión vehicular ya que es una avenida altamente transitada en las horas denominas punta. A partir del estudio realizado, se encontró que los vehículos en mayor circulación las son las mototaxis con un 64% del total aproximadamente. De las tres propuestas planteadas, pico y placa, sin mototaxis en los tramos 2 y 3 y la oleada verde, siendo la mejor la última, porque permitiría disminuir el tráfico vehicular encontrando como resultados, la densidad cambia de 2.18 a 1.57 y el flujo vehicular de 8.85 a 6.39 de las mototaxis, considerando la solución más pertinente porque los parámetros en arribos se mantienen, modificándose solo los tiempos de los semáforos; en la simulación se consideró dos horas de estudio y 10 réplicas, esta alternativa podría aliviar la congestión vehicular

Compendio de investigaciones científicas en México

El presente compendio reúne trabajos de investigación realizados en diversas áreas de la ciencia, los cuales fueron presentados en el XIII Encuentro “Participación de la Mujer en la Ciencia” llevado a cabo en el Centro de Investigaciones en Óptica, los días 17 al 19 de agosto de 2016 en la ciudad de León, Guanajuato. El objetivo principal de dicho encuentro es contribuir a la difusión del trabajo científico que se realiza en México. Con este compendio también se pretende promover el trabajo interdisciplinario entre miembros de diferentes disciplinas científicas

Duoethnography as Transformative Praxis: Conversations about Nourishment and Coercion in the COVID-Era Academy

This article introduces the feminist praxis of duoethnography as a way to examine the COVID era. As a group of diverse, junior, midcareer, and senior feminist scholars, we developed a methodology to critically reflect on our positions in our institutions and social worlds. As a method, duoethnography emphasizes the dialogical intimacy that can form through anthropological work. While autoethnography draws on individual daily lives to make sense of sociopolitical dynamics, duoethnography emphasizes the relational character of research across people and practices. Taking the relational aspects of knowledge production seriously, we conceptualized this praxis as a transformative method for facilitating radical empathy, mobilizing our collective voice, and merging together our partial truths. As collective authors, interviewers, and interlocutors of this article, the anonymity of duoethnography allows us to vocalize details of the experience of living through COVID19 that we could not have safely spoken about publicly or on our ow

Microscale Wind Assessment, Comparing Mesoscale Information and Observed Wind Data

One of the most common problems in wind resource assessment is that measured data are not always available at the site of interest. That is why, in several studies, reanalysis data have been used as an alternative, which, in some cases, have been validated by measured data. Mexico is no exception, since there are not many measurement towers in the country that provide valid records throughout the country. In view of the above, in this study a comparison was made between the measurements observed in six anemometric towers, located in different locations in the United Mexican States; data from the MERRA-2 and ERA-5 reanalysis; and data from the generalized wind climates (GWC), available in the Global Wind Atlas. The study was conducted at 80 m, which is the highest height at which data were recorded on the measurement towers at each site. In the case of the MERRA-2 and ERA-5 data, extrapolation of the data series to 80 m was required. In the case of the towers, a comparison of the two data sets measured at 80 m and the height at which two anemometers were available, was performed. This analysis was supported by Windographer version 4 software designed by the company UL solutions, from which *.tab files were exported at 80 m, which were then imported from the WAsP 10.0 program to perform the microscale modeling. The comparison variable was the mean power density, for which the relative deviations between the measured values and those obtained from the reanalysis data and the GWCs were determined. For a better interpretation of the relative errors calculated, an analysis of the orographic characteristics of all the sites was performed using the roughness index (RIX). The results obtained showed that the behavior of the reanalysis and the GWC data was not homogeneous in the sites studied; therefore, an adequate relationship between the magnitudes of the ΔRIX and the relative deviations was not observed, especially for the ERA5 and GWC. The ERA5 data were the furthest from the measured data, with relative deviations greater than 50% at five of the six sites; however, the MERRA-2 and GWC data were the closest to the measured data. The MERRA-2 data showed deviations of less than 11%, except at the La Venta site, where it was 29.5%—a site where the GWC also had a high deviation of 139.4%. The latter is attributable to the effects caused by the nearby wind farms on the wind flow measured by the La Venta station. In general, the MERRA-2 data are an alternative to performing a pre-analysis of the wind resource in Mexico

Harnessing Offshore Wind Energy along the Mexican Coastline in the Gulf of Mexico—An Exploratory Study including Sustainability Criteria

Mexico has more than 40 years of researching, investing, and obtaining electric power through wind energy. Within the country, there are highly windy areas, such as the Isthmus of Tehuantepec or the state of Tamaulipas, and there are about 2500 MW installed and 70,000 MW tested, all onshore. There are still no offshore wind farms in Mexico, despite having two main coasts, the East and the West, with the Gulf of Mexico and the Pacific Ocean, respectively. Although the Mexican coastal states of the Gulf of Mexico are Tamaulipas, Veracruz, Tabasco, Campeche, and Yucatán, this work focuses on the study and feasibility of offshore wind energy use on the coasts of the states of Tabasco, Campeche, and Yucatán. This is because of the availability of data in that region; however, sustainability criteria that can be used in other regions are also presented. MERRA-2 and ERA5 data were used employing WAsP and Windographer software. It was found that the capacity factor in the area of Tabasco, Campeche, and Yucatán is 32%, 37%, and 46%. It can be noted that, in the WF100% scenario, each of the wind farms could contribute more than 35% of the region’s electricity consumption; those of Campeche and Yucatán stand out with contributions of more than 70%

Mortality from gastrointestinal congenital anomalies at 264 hospitals in 74 low-income, middle-income, and high-income countries: a multicentre, international, prospective cohort study

Summary Background Congenital anomalies are the fifth leading cause of mortality in children younger than 5 years globally. Many gastrointestinal congenital anomalies are fatal without timely access to neonatal surgical care, but few studies have been done on these conditions in low-income and middle-income countries (LMICs). We compared outcomes of the seven most common gastrointestinal congenital anomalies in low-income, middle-income, and high-income countries globally, and identified factors associated with mortality. Methods We did a multicentre, international prospective cohort study of patients younger than 16 years, presenting to hospital for the first time with oesophageal atresia, congenital diaphragmatic hernia, intestinal atresia, gastroschisis, exomphalos, anorectal malformation, and Hirschsprung’s disease. Recruitment was of consecutive patients for a minimum of 1 month between October, 2018, and April, 2019. We collected data on patient demographics, clinical status, interventions, and outcomes using the REDCap platform. Patients were followed up for 30 days after primary intervention, or 30 days after admission if they did not receive an intervention. The primary outcome was all-cause, in-hospital mortality for all conditions combined and each condition individually, stratified by country income status. We did a complete case analysis. Findings We included 3849 patients with 3975 study conditions (560 with oesophageal atresia, 448 with congenital diaphragmatic hernia, 681 with intestinal atresia, 453 with gastroschisis, 325 with exomphalos, 991 with anorectal malformation, and 517 with Hirschsprung’s disease) from 264 hospitals (89 in high-income countries, 166 in middleincome countries, and nine in low-income countries) in 74 countries. Of the 3849 patients, 2231 (58·0%) were male. Median gestational age at birth was 38 weeks (IQR 36–39) and median bodyweight at presentation was 2·8 kg (2·3–3·3). Mortality among all patients was 37 (39·8%) of 93 in low-income countries, 583 (20·4%) of 2860 in middle-income countries, and 50 (5·6%) of 896 in high-income countries (p<0·0001 between all country income groups). Gastroschisis had the greatest difference in mortality between country income strata (nine [90·0%] of ten in lowincome countries, 97 [31·9%] of 304 in middle-income countries, and two [1·4%] of 139 in high-income countries; p≤0·0001 between all country income groups). Factors significantly associated with higher mortality for all patients combined included country income status (low-income vs high-income countries, risk ratio 2·78 [95% CI 1·88–4·11], p<0·0001; middle-income vs high-income countries, 2·11 [1·59–2·79], p<0·0001), sepsis at presentation (1·20 [1·04–1·40], p=0·016), higher American Society of Anesthesiologists (ASA) score at primary intervention (ASA 4–5 vs ASA 1–2, 1·82 [1·40–2·35], p<0·0001; ASA 3 vs ASA 1–2, 1·58, [1·30–1·92], p<0·0001]), surgical safety checklist not used (1·39 [1·02–1·90], p=0·035), and ventilation or parenteral nutrition unavailable when needed (ventilation 1·96, [1·41–2·71], p=0·0001; parenteral nutrition 1·35, [1·05–1·74], p=0·018). Administration of parenteral nutrition (0·61, [0·47–0·79], p=0·0002) and use of a peripherally inserted central catheter (0·65 [0·50–0·86], p=0·0024) or percutaneous central line (0·69 [0·48–1·00], p=0·049) were associated with lower mortality. Interpretation Unacceptable differences in mortality exist for gastrointestinal congenital anomalies between lowincome, middle-income, and high-income countries. Improving access to quality neonatal surgical care in LMICs will be vital to achieve Sustainable Development Goal 3.2 of ending preventable deaths in neonates and children younger than 5 years by 2030