Search results for "SID"
showing 10 items of 6756 documents
Identification of Energy Hubs for the Exploitation of Residual Biomass in an Area of Western Sicily
2017
Recent years have witnessed a marked reduction in financial incentives for renewable energy production in Italy as a consequence of the fact that the nation has already reached its energy policy targets for 2020, However, incentives still persist in certain sectors, such as those of specialized crops for biomass and residual biomass. In order to increase use-efficiency of biomass resources, careful study is needed of their characteristics, and their distribution within an area and over time: biomass use is of interest when production is concentrated in a given area and sufficiently available throughout the year. In order to assess the competitiveness of the biomass energy sector, the logist…
Análisis de supervivencia de pacientes obesos sometidos a trasplante hepático
2015
La prevalencia de obesidad ha aumentado en países en vías de desarrollo, de igual modo en receptores de trasplantes hepático (TH) ésta también se ha incrementado de manera significativa. La obesidad tiene un impacto negativo, en cirugía general y trasplante de órgano sólido. Hasta la fecha existen pocos estudios en TH que analizan el impacto de la obesidad en los resultados del mismo. Objetivo: determinar si existen diferencias en la supervivencia (SV) actuarial a 5 años de obesos y no obesos sometidos a TH en Hospital Universitario La Fe de Valencia (HULF). Material y Método: el diseño corresponde a casos y controles anidados en una cohorte. La muestra está constituida por sujetos sometido…
Efectos de la cirugía bariátrica en la apnea obstructiva del sueño
2023
La obesidad se relaciona íntimamente con la apnea obstructiva del sueño (AOS). Se presenta una tesis doctoral en la que se evaluó mediante un estudio prospectivo longitudinal la prevalencia de AOS en pacientes candidatos a cirugía bariátrica y las características de su vía aérea superior, así como cuáles fueron los efectos de la pérdida de peso tras la cirugía bariátrica en la AOS y los cambios en la anatomía de la vía aérea superior. La prevalencia de AOS en este estudio fue de 74,2%. La edad superior a los 48 años fue un factor predictivo independiente de AOS moderada o grave. Los pacientes con AOS moderada y grave presentaron un mayor peso, cuellos más gruesos, paladares más flácidos, ma…
Clase social y acceso a la universidad
2021
La universidad es una institución que tiene más de ocho siglos de antigüedad. En la mayor parte de su historia, si no en toda, favoreció la desigualdad de género y de etnia, excluyendo durante siglos a las mujeres y a las minorías étnicas y relegándolas más recientemente a posiciones subalternas. Este artículo se centra en la desigualdad de clases sociales, que lógicamente intersecta con las otras.
 The university is an institution that is more than eight centuries old. For most of its history, if not all, it favored gender and ethnic inequality, excluding women and ethnic minorities for centuries and relegating them more recently to subordinate positions. This article focuses on the i…
Anatomy of the "false thumb" of Tremarctos ornatus (Carnivora, Ursidae, Tremarctinae): Phylogenetic and functional implications
2006
6 pages, 3 figures.
Current and future trends and issues facing technology education in Finland : Taking part in an international Delphi study
2022
This study is part of an international research collaboration aimed at identifying current and future trends and issues in technology education in Belgium, Finland, Japan and the USA. The three-round Delphi method was utilised to solicit information from technology education stakeholders in Finland from November 2019 to April 2020. The panel of experts (N=31) comprised technology education teacher educators, researchers and experts of the national LUMA (STEM) 2020 programme and technology education developers. During the Delphi process both quantitative and qualitative approaches were utilized in gathering information and analysing the findings. In this article the focus is on comparing the…
Cleavage of Ge–Ge and Sn–Sn Triple Bonds in Heavy Group 14 Element Alkyne Analogues (EAriPr4)2 (E = Ge, Sn; AriPr4 = C6H3-2,6(C6H3-2,6-iPr2)2) by Rea…
2016
The reactions of heavier group 14 element alkyne analogues (EAriPr4)2 (E = Ge, Sn; AriPr4 = C6H3-2,6-(C6H3-2,6-iPr2)2) with the group 6 transition-metal carbonyls M(CO)6 (M = Cr, Mo, W) under UV irradiation resulted in the cleavage of the E–E triple bond and the formation of the complexes {AriPr4EM(CO)4}2 (1–6), which were characterized by single crystal X-ray diffraction as well as by IR and multinuclear NMR spectroscopy. Single-crystal X-ray structural analyses of 1–6 showed that the complexes have a nearly planar rhomboid M2E2 core with three-coordinate group 14 atoms. The coordination geometry at the group 6 metals is distorted octahedral formed by four carbonyl groups as well as two br…
In-depth characterization of denitrifier communities across different soil ecosystems in the tundra
2022
Abstract Background In contrast to earlier assumptions, there is now mounting evidence for the role of tundra soils as important sources of the greenhouse gas nitrous oxide (N2O). However, the microorganisms involved in the cycling of N2O in this system remain largely uncharacterized. Since tundra soils are variable sources and sinks of N2O, we aimed at investigating differences in community structure across different soil ecosystems in the tundra. Results We analysed 1.4 Tb of metagenomic data from soils in northern Finland covering a range of ecosystems from dry upland soils to water-logged fens and obtained 796 manually binned and curated metagenome-assembled genomes (MAGs). We then sear…
Revista española de orientación y psicopedagogía
2014
RESUMENEste artículo responde a la necesidad de reflexionar acerca de las tutorías universitarias para alumnos de primero y sobre cómo llevar a cabo, de la manera más eficaz y efectiva posible, el Plan de Acción Tutorial (PAT). Esta reflexión se realiza a partir de las consideraciones, aportaciones y experiencias personales que algunos profesores/tutores han manifestado a lo largo de distintas sesiones de trabajo respecto a la implementación del PAT en la Universitat de València. Todo ello, con el objetivo de mejorar e innovar en el contexto universitario basándonos en experiencias reales.ABSTRACTThis article responds to the need of reflecting about university tutoring for first year studen…