EL REDISEÑO DE LA CARRERA DE INGENIERÍA AMBIENTAL. PERTINENCIA SEGÚN LOS OBJETIVOS DEL PLAN NACIONAL DEL BUEN VIVIR EN ECUADOR

The innovation of university processes is the basis for improving the quality of education in Ecuador. Therefore, to establish the relevance of the proposed redesign of the Environmental Engineering career, under the National Plan for Good Living (2013 - 2017), is essential for the analysis of the problems and needs addressed in existing contexts and the checking to match solutions that bring the profession within the five area (zone of influence of the city of Quevedo). This will allow lay the foundation for the necessary changes to the accreditation of the career, considering all requirements stipulated in the current Regulation Academic Regime. Thus, it could show that the academic offer allows the implementation of solutions to the needs and interests of the country's current problems, according to the reality of Environmental Engineering. In this study, relevant aspects for the Environmental Engineering career Redesign are detailed, because of the project redesign at the State Technical University from Quevedo, Ecuador.La innovación de los procesos universitarios es la base para el mejoramiento de la calidad de la educación ecuatoriana. Por esta razón, establecer la pertinencia del proyecto de rediseño de la carrera de Ingeniería Ambiental, según el Plan Nacional del Buen Vivir (2013 – 2017), es fundamental por el análisis de los problemas y necesidades abordados de los contextos vigentes y la verificación de la correspondencia con las soluciones que aportará la profesión dentro de la zona 5 (zona de influencia de la ciudad de Quevedo). Esto permitirá sentar las bases para los cambios necesarios para la acreditación de la carrera considerando todos los requerimientos que estipula el Reglamento del Régimen Académico vigente. Así, se podría evidenciar que la oferta académica permite la implementación de soluciones a las necesidades e intereses y problemas actuales del país, de acuerdo a la realidad de la carrera de Ingeniería Ambiental. En el presente estudio se detallaron aspectos relevantes para el rediseño de la carrera Ingeniería Ambiental, resultado del proyecto de Rediseño en la Universidad Técnica Estatal de Quevedo, Ecuador

Dietary Intake Contributed the Most to Chlorinated Paraffin Body Burden in a Norwegian Cohort

Determining the major human exposure pathways is a prerequisite for the development of effective management strategies for environmental pollutants such as chlorinated paraffins (CPs). As a first step, the internal and external exposure to CPs were quantified for a well-defined human cohort. CPs in participants' plasma and diet samples were analyzed in the present study, and previous results on paired air, dust, and hand wipe samples were used for the total exposure assessment. Both one compartment pharmacokinetic modeling and forensic fingerprinting indicate that dietary intake contributed the most to body burden of CPs in this cohort, contributing a median of 60-88% of the total daily intakes. The contribution from dust ingestion and dermal exposure was greater for the intake of long-chain CPs (LCCPs) than short-chain CPs (SCCPs), while the contribution from inhalation was greater for the intake of SCCPs than medium-chain CPs (MCCPs) and LCCPs. Significantly higher concentrations of SCCPs and MCCPs were observed in diets containing butter and eggs, respectively (p < 0.05). Additionally, other exposure sources were correlated to plasma levels of CPs, including residence construction parameters such as the construction year (p < 0.05). This human exposure to CPs is not a local case. From a global perspective, there are major knowledge gaps in biomonitoring and exposure data for CPs from regions other than China and European countries

Travel ban effects on SARS-CoV-2 transmission lineages in the UAE as inferred by genomic epidemiology

Global and local whole genome sequencing of SARS-CoV-2 enables the tracing of domestic and international transmissions. We sequenced Viral RNA from 37 sampled Covid-19 patients with RT-PCR-confirmed infections across the UAE and developed time-resolved phylogenies with 69 local and 3,894 global genome sequences. Furthermore, we investigated specific clades associated with the UAE cohort and, their global diversity, introduction events and inferred domestic and international virus transmissions between January and June 2020. The study comprehensively characterized the genomic aspects of the virus and its spread within the UAE and identified that the prevalence shift of the D614G mutation was due to the later introductions of the G-variant associated with international travel, rather than higher local transmissibility. For clades spanning different emirates, the most recent common ancestors pre-date domestic travel bans. In conclusion, we observe a steep and sustained decline of international transmissions immediately following the introduction of international travel restrictions

Travel ban effects on SARS-CoV-2 transmission lineages in the UAE as inferred by genomic epidemiology

Global and local whole genome sequencing of SARS-CoV-2 enables the tracing of domestic and international transmissions. We sequenced Viral RNA from 37 sampled Covid-19 patients with RT-PCR-confirmed infections across the UAE and developed time-resolved phylogenies with 69 local and 3,894 global genome sequences. Furthermore, we investigated specific clades associated with the UAE cohort and, their global diversity, introduction events and inferred domestic and international virus transmissions between January and June 2020. The study comprehensively characterized the genomic aspects of the virus and its spread within the UAE and identified that the prevalence shift of the D614G mutation was due to the later introductions of the G-variant associated with international travel, rather than higher local transmissibility. For clades spanning different emirates, the most recent common ancestors pre-date domestic travel bans. In conclusion, we observe a steep and sustained decline of international transmissions immediately following the introduction of international travel restrictions

Protecting the skies: GNSS-less aircraft navigation with terrestrial cellular signals of opportunity

This paper shows how to protect our skies from harmful radio frequency interference (RFI) to global navigation satellite system (GNSS) signals, by offering terrestrial cellular signals of opportunity (SOPs) as a viable aircraft navigation system backup. An extensive flight campaign was conducted by the Autonomous Systems Perception, Intelligence, and Navigation (ASPIN) Laboratory in collaboration with the United States Air Force (USAF) to study the potential of cellular SOPs for high-altitude aircraft navigation. A multitude of flight trajectories and altitudes were exercised in the flight campaign in two different regions in Southern California, USA: (i) rural and (ii) semi-urban. Samples of the ambient downlink cellular SOPs were recorded, which were fed to ASPIN Laboratory's MATRIX (Multichannel Adaptive TRansceiver Information eXtractor) software-defined receiver (SDR), which produced carrier phase measurements from these samples. These measurements were fused with altimeter data via an extended Kalman filter (EKF) to estimate the aircraft's trajectory. This paper shows for the first time that at altitudes as high as about 11,000 ft above ground level (AGL), more than 100 cellular long-term evolution (LTE) eNodeBs can be reliable tracked, many of which were more than 100 km away, with carrier-to-noise ratio (C/N0) exceeding 40 dB-Hz. The paper shows pseudorange and Doppler tracking results from cellular eNodeBs along with the C/N0 and number of tracked eNodeBs over the two regions, while performing ascending, descending, and grid maneuvers. In addition, the paper shows navigation results in the semi-urban and rural regions, showing a position root mean-squared error of 9.86 m and 10.37, respectively, over trajectories of 42.23 km and 56.56 km, respectively, while exploiting an average of about 19 and 10 eNodeBs, respectively.This work was supported in part by the Office of Naval Research (ONR) under Grant N00014-19-1-2511 and Grant N00014-19-1-2613, in part by the National Science Foundation (NSF) under Grant 2240512, in part by the U.S. Department of Transportation (USDOT) under Grant 69A3552047138 for the CARMEN University Transportation Center (UTC), and in part by the Air Force Office of Scientific Research (AFOSR) under Grant FA9550-22-1-0476. This work was also supported in part by the Laboratory Directed Research and Development program at Sandia National Laboratories, a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia LLC, a wholly owned subsidiary of Honeywell International Inc. for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-NA0003525. This paper describes objective technical results and analysis. Any subjective views or opinions that might be expressed in the paper do not necessarily represent the views of the U.S. Department of Energy or the United States Government. SAND2022-13901

Protocolo de manejo de Caligo illioneus praxsioudus y Methona confusa en el Centro para la Biodiversidad y el Turismo del Amazonas

El presente protocolo, es el resultado del proyecto de investigación Manejo de mariposas diurnas como alternativa de conservación, educación y recreación en el SENA Regional Amazonas, financiado por el Servicio Nacional de Aprendizaje SENA a través del Sistema de Investigación, Innovación y Desarrollo Tecnológico SENNOVA en la Regional Amazonas. En este protocolo, se presenta la metodología de crianza de dos especies de mariposas diurnas Caligo illioneus praxsiodus y Methona confusa, mostrando de forma didáctica el registro del ciclo biológico de ambas especies, evidenciando todas sus fases, desde la ovoposición hasta la fase adulta e incluye también sus plantas hospederas y alimenticias para iniciar el manejo de mariposas en viveros con fines de conservación y turismo en el Amazonas.Conociendo a las mariposas -- Importancia de las mariposas en el ecosistema -- Materiales -- Protocolo para inicio del manejo de las mariposas diurnas -- Muestreo de diversidad de mariposas en el Centro para la Biodiversidad y el Turismo del Amazonas -- Registro del ciclo de vida de Caligo illioneus praxsioudus -- Ciclo de vida de Caligo illioneus praxsioudus -- Clasificación taxonómica de Caligo illioneus praxsioudus -- Planta hospedera -- Registro del ciclo de vida de Methona Confusa -- Esquema del ciclo de vida de Methona Confusa -- Planta hospedera de Methona confusa -- Planta alimenticia.na45 página