CRIRES-VLT high-resolution spectro-astrometry as a tool in the search of small structures at the cores of Planetary Nebulae

The onset of the asymmetry in planetary nebulae (PNe) occurs during the short transition between the end of the asymptotic giant branch (AGB) phase and the beginning of the PN phase. Sources in this transition phase are compact and emit intensely in infrared wavelengths, making high spatial resolution observations in the infrared mandatory to investigate the shaping process of PNe. Interferometric VLTI IR observations have revealed compelling evidence of disks at the cores of PNe, but the limited sensitivity, strong observational constraints, and limited spatial coverage place severe limits on the universal use of this technique. Inspired by the successful detection of proto-planetary disks using spectro-astrometric observations, we apply here for the first time this technique to search for sub-arcsecond structures in PNe. Our exploratory study using CRIRES (CRyogenic high-resolution Infra-Red Echelle Spectrograph) commissioning data of the proto-PN IRAS 17516-2525 and the young PN SwSt 1 has revealed small-sized structures after the spectro-astrometric analysis of the two sources. In IRAS 17516-2525, the spectro-astrometric signal has a size of only 12 mas, as detected in the Brackett-gamma line, whereas the structures found in SwSt 1 have sizes of 230 mas in the [Fe III] line and 130 mas in the Brackett-gamma line. The spectroscopic observations required to perform spectro-astrometry of sources in the transition towards the PN phase are less time consuming and much more sensitive than VLTI IR observations. The results presented here open a new window in the search of the small-sized collimating agents that shape the complex morphologies of extremely axisymmetric PNe.Comment: 6 pages, 4 figure

VISIR-VLT Images of the Water Maser Emitting Planetary Nebula K 3-35

K3-35 is an extremely young bipolar planetary nebula that contains a precessing bipolar jet and a small (radius 80 AU) water maser equatorial ring. We have obtained VISIR- VLT images of K 3-35 in the PAH1 ({\lambda}=8.6 {\mu}m), [S iv] ({\lambda}=10.6 {\mu}m), and SiC ({\lambda}=11.85 {\mu}m) filters to analize the mid-IR morphology and the temperature structure of its dust emission. The images show the innermost nebular regions undetected at optical wavelegths and the precessing bipolar jets. The temperature map shows variations in the temperature in the equatorial zone and in regions associated to its jets.Comment: 2 pages, 2 figures, 283 IAU Symp. Planetary Nebulae an Eye to the Futur

Analysis of the essential literature on project management in Spanish

The advancement of science and engineering projects is brewing major changes in the various phases of a project. These changes have produced more rigorous aspects of project management that tracks the research fronts of engineering and project management becomes key. However, research in engineering and project management in Spanish is hindered by access to information to enable the person concerned to ascertain the most recent and current research, limiting the exchange of information and strengthening research networks in this field interest with great implications in business, industry and scientific issues. Therefore, the article aims to present the state of the art of engineering research and project management in Spanish, using the analysis of scientific domains and network analysis of the research literature to identify and analyze relationships between authors and documents that establish the base and research fronts topic under study. The results also provide statistics on the contribution of international research in Spanish and scientific collaboration networks

Diseño de un sistema de gestión basado en procesos en la empresa Construcciones Sermar Ingeniería LTDA

En la actualidad, es una cuestión innegable el hecho de que las organizaciones se encuentran inmersas en entornos y mercados competitivos y globalizados; entornos en los que toda organización que desee tener éxito, tiene la necesidad de alcanzar buenos resultados empresariales. Para alcanzar estos resultados las empresas necesitan gestionar sus actividades y recursos, con la finalidad de orientarlos hacia la consecución de aquellos; lo que a su vez se ha derivado en la necesidad de adoptar herramientas y metodologías que permitan a las organizaciones configurar su sistema de gestión. Un sistema de gestión por tanto ayuda a una organización a establecer las metodologías, las responsabilidades, los recursos y las actividades; que le permitan de una u otra forma una gestión orientada hacia la obtención de esos buenos resultados que desea o lo que es lo mismo, la obtención de los objetivos establecidos. Por los motivos anteriores, la investigación pretende que la Empresa Construcciones Sermar Ingeniería Ltda., conozca y aplique la metodología del enfoque basado en procesos, ya que en dicha empresa no existe un método de trabajo estructurado. Además la empresa Construcciones Sermar Ingeniería Ltda., tiene la urgencia de competir satisfactoriamente en los mercados locales y regionales en la prestación de servicios de Ingeniería y construcción, razón por la que se acrecienta en esta, cada vez más la necesidad de conocer y aplicar los diferentes conceptos relativos a la administración por procesos y su incidencia en el incremento de la competitividad.Incluye bibliografí

Does the resolving of clinical problems and doubts about medicines using WhatsApp by medicine and podiatry undergraduate students improve their learning and assessment?

We aim to evaluate the impact of resolving clinical problems and doubts through WhatsApp in the learning of medicines used by undergraduate students on the Anaesthesia course and Pharmacology course of Medicine and Podiatry Degrees. Methods. Prospective controlled study with students of Anaesthesia course from the Medicine Degree and Pharmacology course from the Podiatry Degree which were invited to voluntarily participate into a WhatsApp group to asking clinical questions and doubts about analgesic/anaesthetic drugs and to answer them. Clinical problems and doubts were formulated by the students and they were most commonly delivered by other students or, in non-answer case by teachers. All WhatsApp's comments were controlled by teachers. WhatsApp user group was compared with a non-WhatsApp user group. Results and Discussion. Students of Anaesthesia course from the Medicine Degree and Pharmacology course from the Podiatry Degree, N 235, 75.7% female, 20±3.1 years old, were enrolled. The percentage of questions answered and failed of the test final assessment after having been reviewed in WhatsApp and those obtained in WhatsApp not-reviewed questions were compared. Contributions' mean to issues raised-resolved through WhatsApp was 31.2± 17 (Min 3 times/Max 73 times). The correct answered questions (in percentage) at the student's final assessment test were 71.4% in the question reviewed by the WhatsApp group vs. 47.4% in the non-reviewed by the WhatsApp-group (control) (p<0.5). If you cannot against technology, at least use it to your advantage and to your students' advantage. Conclusion. Resolving clinical problems and doubts through WhatsApp improved the assessment final score of questions about medicines used in undergraduate students on the Anaesthesia course of Medicine Degree and on the Pharmacology course of Podiatry Degrees.Subvencionado: Ayuda del Plan Propio de Investigación de la UMA. Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

Standardized Questionnaires for User Experience Evaluation: A Systematic Literature Review

Standardized questionnaires are one of the methods used to evaluate User Experience (UX). Standardized questionnaires are composed of an invariable group of questions that users answer themselves after using a product or system. They are considered reliable and economical to apply. The standardized questionnaires most recognized for UX evaluation are AttrakDiff, UEQ, and meCUE. Although the structure, format, and content of each of the questionnaires are known in detail, there is no systematic literature review (SLR) that categorizes the uses of these questionnaires in primary studies. This SLR presents the eligibility protocol and the results obtained by reviewing 946 papers from four digital databases, of which 553 primary studies were analyzed in detail. Different characteristics of use were obtained, such as which questionnaire is used more extensively, in which geographical context, and the size of the sample used in each study, among others.Universidad de Costa Rica/[834-B4-412]/UCR/Costa RicaUniversidad de Costa Rica/[326-B9-107]/UCR/Costa RicaUCR::Vicerrectoría de Investigación::Unidades de Investigación::Ingeniería::Centro de Investigaciones en Tecnologías de Información y Comunicación (CITIC)UCR::Vicerrectoría de Docencia::Ingeniería::Facultad de Ingeniería::Escuela de Ciencias de la Computación e Informátic

Análisis de la investigación científica de los Congresos Internacionales de Ingeniería de Proyectos de AEIPRO.

El artículo presenta la actividad científica desarrollada en los congresos internacionales de ingeniería de proyectos organizados por AEIPRO. Analizando y visualizando la información a través del análisis de dominios científicos y del análisis de redes de la literatura científica desarrollada desde el II Congreso Internacional del 1998 hasta el XVI Congreso Internacional del 2012. Los resultados permiten identificar los frentes de investigación y la base de conocimientos científica en Ingeniería de Proyectos desarrollada en los congresos internacionales de AEIPRO, proporcionando resultados estadísticos sobre la distribución del aporte internacional, el grado de integración de la investigación y la colaboración científica entre universidades, instituciones científicas y profesionales. Finalmente, se realiza una comparación entre la distribución de la investigación según la temática actual de los congresos y las áreas de conocimientos que gestionan el ciclo de vida del proyecto, alcance, tiempo, costes, calidad, recursos humanos, comunicación, riesgos y adquisiciones

Animal Models of Cardiovascular Diseases

Cardiovascular diseases are the first leading cause of death and morbidity in developed countries. The use of animal models have contributed to increase our knowledge, providing new approaches focused to improve the diagnostic and the treatment of these pathologies. Several models have been developed to address cardiovascular complications, including atherothrombotic and cardiac diseases, and the same pathology have been successfully recreated in different species, including small and big animal models of disease. However, genetic and environmental factors play a significant role in cardiovascular pathophysiology, making difficult to match a particular disease, with a single experimental model. Therefore, no exclusive method perfectly recreates the human complication, and depending on the model, additional considerations of cost, infrastructure, and the requirement for specialized personnel, should also have in mind. Considering all these facts, and depending on the budgets available, models should be selected that best reproduce the disease being investigated. Here we will describe models of atherothrombotic diseases, including expanding and occlusive animal models, as well as models of heart failure. Given the wide range of models available, today it is possible to devise the best strategy, which may help us to find more efficient and reliable solutions against human cardiovascular diseases

A crowdsourcing recommendation model for image annotations in cultural heritage platforms

Cultural heritage is one of many fields that has seen a significant digital transformation in the form of digitization and asset annotations for heritage preservation, inheritance, and dissemination. However, a lack of accurate and descriptive metadata in this field has an impact on the usability and discoverability of digital content, affecting cultural heritage platform visitors and resulting in an unsatisfactory user experience as well as limiting processing capabilities to add new functionalities. Over time, cultural heritage institutions were responsible for providing metadata for their collection items with the help of professionals, which is expensive and requires significant effort and time. In this sense, crowdsourcing can play a significant role in digital transformation or massive data processing, which can be useful for leveraging the crowd and enriching the metadata quality of digital cultural content. This paper focuses on a very important challenge faced by cultural heritage crowdsourcing platforms, which is how to attract users and make such activities enjoyable for them in order to achieve higher-quality annotations. One way to address this is to offer personalized interesting items based on each user preference, rather than making the user experience random and demanding. Thus, we present an image annotation recommendation system for users of cultural heritage platforms. The recommendation system design incorporates various technologies intending to help users in selecting the best matching images for annotations based on their interests and characteristics. Different classification methods were implemented to validate the accuracy of our work on Egyptian heritage.Agencia Estatal de Investigación | Ref. TIN2017-87604-RXunta de Galicia | Ref. ED431B 2020/3