La responsabilidad social y medioambiental como activos estratégicos y facilitadores de la innovación docente universitaria (EEES). Innovación Jurídica y Emprendimiento Responsable

Este proyecto se focaliza en significar el valor y la funcionalidad de la Responsabilidad Social y Medioambiental como activo (integrador y estratégico) que posibilita la mejora de la calidad y la innovación docente, así mismo, analiza e ilustra sobre modelos facilitadores del aprendizaje, aproximando el conocimiento sobre esta temática, completando la formación y el desarrollo de las capacidades de los alumnos (futuros profesionales más cualificados y/o emprendedores más responsables), todo ello en el marco de los actuales programas de enseñanza superior (grados y postgrados) y conforme a cumplir los retos del EEES

The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: The Nature of the Faintest Dusty Star-forming Galaxies

We present a characterization of the physical properties of a sample of 35 securely detected, dusty galaxies in the deep ALMA 1.2 mm image obtained as part of the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS) Large Program. This sample is complemented by 26 additional sources identified via an optical/ infrared source positional prior. Using their well-characterized spectral energy distributions, we derive median stellar masses and star formation rates (SFR) of 4.8 10 ´ 10 M☉ and 30 M☉ yr−1 , respectively, and interquartile ranges of (2.4–11.7) × 1010 M☉ and 20–50 M☉ yr−1 . We derive a median spectroscopic redshift of 1.8 with an interquartile range 1.1–2.6, significantly lower than submillimeter galaxies detected in shallower, wide-field surveys. We find that 59% ± 13%, 6% ± 4%, and 34% ± 9% of our sources are within, above, and below±0.4 dex from the SFR–stellar-mass relation or main sequence (MS), respectively. The ASPECS galaxies closely follow the SFR–molecular gas mass relation and other previously established scaling relations, confirming a factor of five increase of the gas-to-stellar-mass ratio from z = 0.5 to 2.5 and a mild evolution of the gas depletion timescales with a typical value of 0.7 Gyr at z = 1–3. ASPECS galaxies located significantly below the MS, a poorly exploited parameter space, have low gas-to-stellar-mass ratios of ∼0.1–0.2 and long depletion timescales >1 Gyr. Galaxies along the MS dominate the cosmic density of molecular gas at all redshifts. Systems above the MS have an increasing contribution to the total gas reservoirs from z < 1 to z = 2.5, while the opposite is found for galaxies below the MS

The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Evolution of the Molecular Gas in CO-selected Galaxies

We analyze the interstellar medium properties of a sample of 16 bright CO line emitting galaxies identified in the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS) Large Program. This CO−selected galaxy sample is complemented by two additional CO line emitters in the UDF that are identified based on their MultiUnit Spectroscopic Explorer (MUSE) optical spectroscopic redshifts. The ASPECS CO−selected galaxies cover a larger range of star formation rates (SFRs) and stellar masses compared to literature CO emitting galaxies at z > 1 for which scaling relations have been established previously. Most of ASPECS CO-selected galaxies follow these established relations in terms of gas depletion timescales and gas fractions as a function of redshift, as well as the SFR–stellar mass relation (“galaxy main sequence”). However, we find that ∼30% of the galaxies (5 out of 16) are offset from the galaxy main sequence at their respective redshift, with ∼12% (2 out of 16) falling below this relationship. Some CO-rich galaxies exhibit low SFRs, and yet show substantial molecular gas reservoirs, yielding long gas depletion timescales. Capitalizing on the well-defined cosmic volume probed by our observations, we measure the contribution of galaxies above, below, and on the galaxy main sequence to the total cosmic molecular gas density at different lookback times. We conclude that main-sequence galaxies are the largest contributors to the molecular gas density at any redshift probed by our observations (z ∼ 1−3). The respective contribution by starburst galaxies above the main sequence decreases from z ∼ 2.5 to z ∼ 1, whereas we find tentative evidence for an increased contribution to the cosmic molecular gas density from the passive galaxies below the main sequenc

The ALMA Spectroscopic Survey in the HUDF: CO Luminosity Functions and the Molecular Gas Content of Galaxies through Cosmic History

We use the results from the ALMA large program ASPECS, the spectroscopic survey in the Hubble Ultra Deep Field (HUDF), to constrain CO luminosity functions of galaxies and the resulting redshift evolution of ρ(H2). The broad frequency range covered enables us to identify CO emission lines of different rotational transitions in the HUDF at z > 1. We find strong evidence that the CO luminosity function evolves with redshift, with the knee of the CO luminosity function decreasing in luminosity by an order of magnitude from ~2 to the local universe. Based on Schechter fits, we estimate that our observations recover the majority (up to ~90%, depending on the assumptions on the faint end) of the total cosmic CO luminosity at z = 1.0–3.1. After correcting for CO excitation, and adopting a Galactic CO-to-H2 conversion factor, we constrain the evolution of the cosmic molecular gas density ρ(H2): this cosmic gas density peaks at z ~ 1.5 and drops by a factor of ${6.5}_{-1.4}^{+1.8}$ to the value measured locally. The observed evolution in ρ(H2), therefore, closely matches the evolution of the cosmic star formation rate density ρ SFR. We verify the robustness of our result with respect to assumptions on source inclusion and/or CO excitation. As the cosmic star formation history can be expressed as the product of the star formation efficiency and the cosmic density of molecular gas, the similar evolution of ρ(H2) and ρ SFR leaves only little room for a significant evolution of the average star formation efficiency in galaxies since z ~ 3 (85% of cosmic history)

An innovative, reusable, and sustainable face-seal device to improve protection efficacy of surgical masks against COVID-19

[eng] The outbreak of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS- CoV-2) pandemic has had a direct impact on the global health system, causing an alarming shortage of Personal Protective Equipment (PPE). Recent studies have shown that a significant number of healthcare professionals have been contaminated by the COVID-19 at their workplace due to the lack of appropriate PPE. Consequently, the PEE requirements have changed, making the use of filtering face-piece respirators (FFR) N95 and NK95 (FFP2 or FFP3, respectively) mandatory in place of the surgical masks previously used by healthcare professionals. Applying individualized face-seal devices in surgical masks, such as a thermoplastic resin ring, may significantly avoid inhalation of unfiltered air. Besides reducing leakage around the mask, which could convert surgical masks into PPE dual masks due to the high percentage of face-seal, it would allow bidirectional protection for both healthcare professionals and patients, thus becoming a medical device. The polylactic acid (corn starch) thermoplastic resin ring is the device proposed here to be used in order to decrease leakage of potentially contaminated air. The use of polylactic acid is of particular interest due to the fact that is a material appropriate for sanitary use, reusable and biodegradable. Therefore, healthcare professionals and organizations can maintain clinical activity in a cost-efficient manner whilst improving clinical safet

Automatic learning for improvement in joint mobility in the elderly

In Europe, the elderly are the majority group, an issue that implies specific attention. On many occasions, they need to be taken care of by other people. It is essential to talk about the gait, this plays an important role and it is necessary to maintain a joint width of movement adequate in the hip, knee and ankle so that the standing and walking are functional. Among the physical factors that limit mobility in the elderly are the articular and capsular, which can produce an immobility of the person and the appearance of pain, causing a significant deterioration in the quality of life of the elderly, a question that will give rise in most cases to the appearance of depressive symptoms. It is an obvious fact that public coverage must offer health activities to promote the health of this group. The purpose of this work is to document in a bibliographic and visual way a table of physical exercises and psychological techniques for its future implantation within the Primary Health Care (PHC) and the Machine Learning tools to develop a virtual gerontology nurse to assist in deploying the exercises at home. After an adequate automatic learning and health education, with greater implication of the nursing specialist in geriatrics and gerontology (GS) and once exercised, allow the elderly to develop with a maximum of autonomy and independence at home, as well as reduce the doses of drugs, an issue that will benefit health expenditure. We are proposing a Virtual Agent based in Computer Vision, Artificial Intelligence and Natural Interfaces that can perform unattended sessions for joint mobility improvement

The ALMA Spectroscopic Survey in the HUDF: The Cosmic Dust and Gas Mass Densities in Galaxies up to z ∼ 3

Using the deepest 1.2 mm continuum map to date in the Hubble Ultra Deep Field, which was obtained as part of the ALMA Spectroscopic Survey (ASPECS) large program, we measure the cosmic density of dust and implied gas (H2+H I) mass in galaxies as a function of look-back time. We do so by stacking the contribution from all H-band selected galaxies above a given stellar mass in distinct redshift bins, r M Mz > , dust * ( ) and r M Mz > , gas * ( ). At all redshifts, r M Mz > , dust * ( ) and r M Mz > , gas * ( ) grow rapidly as M decreases down to 1010 Me, but this growth slows down toward lower stellar masses. This flattening implies that at our stellar mass-completeness limits (108 Me and 108.9 Me at z ∼ 0.4 and z ∼ 3), both quantities converge toward the total cosmic dust and gas mass densities in galaxies. The cosmic dust and gas mass densities increase at early cosmic time, peak around z ∼ 2, and decrease by a factor ∼4 and 7, when compared to the density of dust and molecular gas in the local universe, respectively. The contribution of quiescent galaxies (i.e., with little on-going star formation) to the cosmic dust and gas mass densities is minor (10%). The redshift evolution of the cosmic gas mass density resembles that of the SFR density, as previously found by CO-based measurements. This confirms that galaxies have relatively constant star formation efficiencies (within a factor ∼2) across cosmic time. Our results also imply that by z ∼ 0, a large fraction (∼90%) of dust formed in galaxies across cosmic time has either been destroyed or ejected to the intergalactic medium

El libro xilográfico

El grabado xilográfico es el elemento común de los 27 libros de artista realizados por estudiantes de la Facultad de Bellas Artes. Nos presentan libros únicos, de los que existe un solo ejemplar, encuadernados por los propios creadores y estampados en su totalidad con técnicas de impresión en madera y linóleo