24 research outputs found

    Polymer-solvent interaction parameters of SBS rubbers by inverse gas chromatography measurements

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    The solubility parameters of two SBS commercial rubbers with different structures (lineal and radial), and with slightly different styrene content have been determined by inverse gas chromatography technique. The Flory–Huggins interaction parameters of several polymer–solvent mixtures have also been calculated. The influence of the polymer composition, the solvent molecular weight and the temperature over these parameters have been discussed; besides, these parameters have been compared with previous ones, obtained by intrinsic viscosity measurements. From the Flory–Huggins interaction parameters, the infinite dilution activity coefficients of the solvents have been calculated and fitted to the well-known NRTL model. These NRTL binary interaction parameters have a great importance in modelling the separation steps in the process of obtaining the rubber

    System theory based hazard analysis applied to the process industry

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    Chemical process accidents still occur and cost billions of dollars and, what is worse, many human lives. That means that traditional hazard analysis techniques are not enough mainly owing to the increase of complexity and size of chemical plants. In the last years, a new hazard analysis technique has been developed, changing the focus from reliability to system theory and showing promising results in other industries such as aeronautical and nuclear. In this paper, we present an approach for the application of STAMP and STPA analysis developed by Leveson in 2011 to the process industry

    A Control Strategy for Reactive and Extractive Dividing-wall Columns

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    Dividing-wall Columns (DWC) are being an important breakthrough in distillation technology due to the energy consumption and capital cost reduction they provide. There is an incresing amount of research papers devoted to DWCs although most of them present different applications and DWC setups like extractive DWC, azeotropic DWC or reactive DWC. These units have strong interactions in their operation and to achieve a good control is of great importance to guarantee a smooth and stable performance. Control of standard DWCs has been presented in some papers, in this work we present the decentralized and the predictive control of the extractive and reactive DWCs setups analyzing and comparing them

    La necrĂłpolis de Los Collados de Almedinilla (CĂłrdoba). HistoriografĂ­a de un cementerio complejo

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    The excavations in the Necropolis of Los Collados, carried out by Luis Maraver y Alfaro in the second half of the 19th century, and afterwards, those done by Pierre Paris and Arthur Engels at the beginning of the 20th century, serve to define archeologically that which would be considered Iberian culture. Since then, apart from a few reviews of materials, this site has been forgotten to the point that its exact location was unknown to researchers. It was because of this that prospecting work and excavation were carried out in May and July 2019 that allowed archeologists to locate the necropolis and recover various tombs and ritual deposits. In this work we present the preliminary results of both interventions

    Evolving trends in the management of acute appendicitis during COVID-19 waves. The ACIE appy II study

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    Background: In 2020, ACIE Appy study showed that COVID-19 pandemic heavily affected the management of patients with acute appendicitis (AA) worldwide, with an increased rate of non-operative management (NOM) strategies and a trend toward open surgery due to concern of virus transmission by laparoscopy and controversial recommendations on this issue. The aim of this study was to survey again the same group of surgeons to assess if any difference in management attitudes of AA had occurred in the later stages of the outbreak. Methods: From August 15 to September 30, 2021, an online questionnaire was sent to all 709 participants of the ACIE Appy study. The questionnaire included questions on personal protective equipment (PPE), local policies and screening for SARS-CoV-2 infection, NOM, surgical approach and disease presentations in 2021. The results were compared with the results from the previous study. Results: A total of 476 answers were collected (response rate 67.1%). Screening policies were significatively improved with most patients screened regardless of symptoms (89.5% vs. 37.4%) with PCR and antigenic test as the preferred test (74.1% vs. 26.3%). More patients tested positive before surgery and commercial systems were the preferred ones to filter smoke plumes during laparoscopy. Laparoscopic appendicectomy was the first option in the treatment of AA, with a declined use of NOM. Conclusion: Management of AA has improved in the last waves of pandemic. Increased evidence regarding SARS-COV-2 infection along with a timely healthcare systems response has been translated into tailored attitudes and a better care for patients with AA worldwide

    I Congresso Ibero-Americano de Bibliotecas Escolares

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    Actas de la primera ediciĂłn del I Congreso Iberoamericano de Bibliotecas Escolares, CIBES 2015, organizado por la Universidad Carlos III de Madrid (España), la Universidad Estatal Paulista (Brasil) y el Ayuntamiento de Getafe (España). Celebrado: 21 - 23 de octubre de 2015 en la Universidad Estatal Paulista (MarĂ­lia) y 26 - 28 de octubre de 2015 en la Universidad Carlos III de Madrid (Getafe)Universidad Carlos III de Madrid (España)Universidad Estatal Paulista (Brasil)Ayuntamiento de Getafe (España)Dimensiones y visiones de la biblioteca escolar en una EducaciĂłn por competencias: la necesidad de una polĂ­tica estratĂ©gica / Miguel Ángel Marzal. -- Getafe ciudad educadora, lectora y escritora: Bibliotecas escolares / Lourdes Muñoz Santiuste. -- Presente y futuro: biblioteca escolar-CREA y proyectos interdisciplinares / Rosa PiquĂ­n. -- Cultura en informaciĂłn: un reto esencial de la biblioteca escolar / MĂłnica BarĂł. -- Bibliotecas escolares de Galicia: un mundo de oportunidades a favor de la EducaciĂłn / Cristina Novoa. -- 10 años de la Red de Bibliotecas Escolares de Extremadura (REBEX) / Casildo MacĂ­as Pereira. -- Biblioteca Escolar y uso Ă©tico de la informaciĂłn para una Cultura de Paz / Ana Barrero TĂ­scar. -- DinamizaciĂłn de la Biblioteca Escolar Plumita durante el curso escolar 2014/15 / MarĂ­a Antonia Cano Cañada. -- Experiencia de la creaciĂłn de una biblioteca escolar / Susana Santos MartĂ­n. -- Grupo cooperativo Bibliotecas escolares en Red-Albacete / JosĂ© Manuel Garrido Argandoña y Eva Leal Scasso. -- La BCREA "Juan Leiva". El fomento de la lectura desde la web social / AndrĂ©s Pulido Villar. -- Proceso de implantaciĂłn de una herramienta de autoevaluaciĂłn en la red de bibliotecas escolares de Extremadura (REBEX) / Casildo MacĂ­as Pereira. -- La biblioteca escolar: abriendo fronteras / Lorena VerĂłnica Cabrera Orellana. -- O programa RBE e a avaliaçao das bibliotecas escolares: melhoria, desenvolvimiento e innovaçao / Elsa Conde. -- Profesional de BiblioteconomĂ­a y DocumentaciĂłn: esencial en la plantilla de la escuela / Pilar del Campo Puerta. -- Una mirada activa al proceso educativo desde la biblioteca escolar / MarĂ­a JesĂșs Fontela FernĂĄndez . -- Con otra mirada "La ilustraciĂłn como vehĂ­culo de comunicaciĂłn y aprendizaje en las bibliotecas escolares" / Pablo Jurado SĂĄnchez-GalĂĄn. -- Fingertips. Recriar a biblioteca escolar na sala de aula / Rui Alfonso Mateus. -- Hablemos de libros. CĂłmo transformar una clase de literatura en una comunidad de interpretaciĂłn de textos / Francisco CĂ©sar DĂ­az Rey. -- InclusiĂłn social de familias inmigrantes a travĂ©s de un programa de aprendizaje de la lengua castellana / Ana Carmen Tolino FernĂĄndez-Henarejos. -- O desenvolvimento de atividades de mediação de leitura em biblioteca escolar: o caso da biblioteca da Escola Sesc de Ensino MĂ©dio / Vagner Amaro. -- La biblioteca escolar. Proceso de enseñanza-aprendizaje de padres a hijos / Ana Carmen Tolino FernĂĄndez- Henarejos. -- Leo con y para los demĂĄs / Ismael FernĂĄndez FernĂĄndez, Ana MarĂ­a Moreno Vicente y Ana Beatriz Vicente PĂ©rez. -- Nanas y arrullo. PoesĂ­a a la deriva / Bernardo Fuentes Navarrete y Carlos GarcĂ­a-Romeral PĂ©rez. -- GestiĂłn y evaluaciĂłn de servicios bibliotecarios para personas con dislexia: una biblioteca escolar inclusiva desde una perspectiva internacional / Carmen Jorge GarcĂ­a-Reyes. -- Sueños lectores compartidos hechos realidad: la biblioteca escolar del C.E.I.P-S.E.S-A.A “LA PAZ” de Albacete / Ana Rosa Cabañero Tobarra, Juan Manuel HerrĂĄez, Eva Leal Scasso, MarĂ­a MarĂ­n SĂĄnchez, Ana BelĂ©n Medrano MartĂ­nez y MarĂ­a JosĂ© Nortes RuipĂ©rez. -- El programa biblioteca escuela en Civican. La literatura como elemento motivador para la alfabetizaciĂłn informacional / Villar Arellano Yanguas. -- La competencia digital en el diseño curricular: desde la biblioteca al aula / Felicidad Campal GarcĂ­a. -- O deselvomimento da pesquisa escolar por meio da competĂȘncia em informaçao / Luciane de FĂĄtima Cavalcante Beckman y Marta Leandro da Mata. -- Proyecto escolar de investigaciĂłn documental "Te pillĂ© leyendo" / JosĂ© Manuel Garrido Argandoña. -- Aprender com a Biblioteca Escolar: formar para as literacias / Paula Correia y Isabel Mendinhos. -- SucediĂł en el siglo XX / MarĂ­a Antonia Becerra MontalbĂĄn, Ángel BernabĂ© Muñoz y SofĂ­a Vaz Romero. -- El Club de lectura en la nube / BelĂ©n Benito BlĂĄzquez y Ana OrdĂĄs GarcĂ­a. -- Promover a leitura e a escrita na era digital: prĂĄcticas nas bibliotecas escolares / MarĂ­a Raquel Ramos. -- A biblioteca escolar e o desafĂ­o da interculturalidade: o projeto Ser + cidadao / MarĂ­a da Conceição TomĂ©. -- Cuando la competencia digital encontrĂł a la alfabetizaciĂłn informacional o Mucho ruido y pocas nueces / Felicidad Campal GarcĂ­a. -- Hora de ler, un programa para el fomento de la lectura en contexto educativo / Cristina Novoa. -- HĂĄbitos de lectura para las competencias en informaciĂłn y alfabetizaciĂłn en informaciĂłn en bibliotecas escolares de Puerto Rico / Karen Denise Centeno Casillas. -- Repositorios digitales en las bibliotecas escolares andaluzas: situaciĂłn, modelos y herramientas para su creaciĂłn / Dolores Olmos Olmos y AndrĂ©s Pulido Villar. -- Trabajando las competencias clave con las aventuras de Mozarito en Extremadura / MarĂ­a Teresa Carballosa GonzĂĄlez y MarĂ­a Esther Nieto Vidal. -- AnĂĄlisis de modelos de evaluaciĂłn de la web de la biblioteca escolar / RaĂșl Cremades GarcĂ­a. -- EmociĂłnate con las historias: El bosque de las emociones e historias con mucho teatro / Esther Luis PĂ©rez y Ana MarĂ­a Peromingo FernĂĄndez. -- Biblioteca escolar de innovaciĂłn y continuaciĂłn / E. MarĂ­a Guerrero Palacios y Silvia Mora RamĂ­rez. -- Uso de estĂĄndares y licencias para la creaciĂłn y difusiĂłn de contenidos en las bibliotecas escolares / JosĂ© Luis Barreiro Cebey. -- La biblioteca escolar digital mĂłvil / Javier FernĂĄndez Delgado. -- Uso de aplicaciones mĂłviles para el desarrollo de la competencia lingĂŒĂ­stica. Proyecto Hansel App Gretel / Dolores Olmos Olmos. -- A memĂłria e a mediação segundo Vigotski / Leda Maria AraĂșjo, Patricia Celia Santana, Sueli Bortolin y Leticia Gorri Molina. -- Bibliotecas escolares como tema de estudo dos alunos de graduação em blioteconomia do Instituto de Ensino Superior da FUNLEC: estado da arte / Tiago Pereira Nocera y Rodrigo Pereira. -- AçÔes de mediação da leitura e da informação em bibliotecas escolares: um olhar sobre as bibliotecas dos ColĂ©gios de Aplicação / Tatyanne Christina Gonçalves Ferreira Valdez y Alberto Calil JĂșnior. -- Mediação pedagĂłgica numa biblioteca de escola pĂșblica em Londrina / Rovilson JosĂ© da Silva, Teba Silva Yllana y Sueli Bortolin. -- Utilização de categorias por cores em sistema de biblioteca voltado ao pĂșblico infanto-juvenil / Liliana Giusti Serra. -- Atividades de ensino dos atos de leitura com crianças em risco social / Adriana Naomi Fukushima da Silva y Dagoberto Buim Arena. -- Biblioteca escolar: espaço de significados entre alunos, professores e bibliotecĂĄrios / Rodrigo Barbosa Paulo, Marisa Xavier, Helen Castro Casarin y Creuza Barbaroto. -- A Biblioteca Escolar no Contexto da Legislação e do Processo Educativo / Eliane Lourdes da Silva Moro, Francisca Rosaline Leite Mota y Raimundo Martins de Lima. -- O jornal impresso como fonte de informação: a importĂąncia da formação de leitores crĂ­ticos / Mariana PĂ­caro Cerigatto. -- Bibliotecas escolares no estado do Rio Grande do Sul: a trajetĂłria de realização dos fĂłruns gaĂșchos pela melhoria das bibliotecas escolares / Eliane Lourdes da Silva Moro y Lizandra Brasil Estabel. -- O acesso Ă  informação dos usuĂĄrios surdos na biblioteca escolar / AndrĂ© LuĂ­s OnĂłrio Coneglian y Mayara Melo Santana. -- Aprendizagem coletiva de bibliotecĂĄrios e a competĂȘncia de pesquisa dos docentes: o caso do Instituto Federal do EspĂ­rito Santo / Maristela Almeida Mercandeli Rodrigues y Beatriz Quiroz Villardi. -- Biblioteca escolar: atores, parĂąmetros e competĂȘncias / Mavi Galante Mancera DallÂŽAcqua Carvalho y Claudio Marcondes de Castro Filho. -- EstratĂ©gias de aprendizagem de escrita no Ensino Fundamental II / Érika Christina Kohle. -- BebĂȘs e livros: leitura nas bebetecas. Kenia Adriana de Aquino Modesto Silva, Juliane Francischeti Martins Motoyama y Renata Junqueira de Souza. -- PrĂĄticas alternativas para organização de acervos nos espaços de leitura em ambientes escolares / Luciana Souza Gracioso, Ariovaldo Alves, DĂ©bora Nascimento, Suelen Redondo, Tainara Torika Kiri de Castro, Elizabete Angelon y Eduardo Barbosa. -- ReflexĂ”es sobre a modelagem e criação de uma Rede Virtual de Leitores para Bibliotecas Escolares / Carla Floriana Martins y Raoni Guerra RajĂŁo. -- Biblioteca escolar: espaço de formação leitora? / Silvana Ferreira de Souza Balsan y Renata Junqueira de Souza. -- “Se a Biblioteca Escolar Ă© minha mĂŁe, o Google Ă© meu pai”: representaçÔes da relação entre Biblioteca Escolar e Google no imaginĂĄrio de alunos do ensino tĂ©cnico / Adriana Bogliolo Sirihal-Duarte, Maria L. Amorim Antunes y Raquel Miranda Vilela Paiva. -- Desafios e propostas para a universalização das bibliotecas escolares no Brasil e na Espanha / Rodrigo Pereira, Daniela Spudeit y Fernanda de Sales. -- BibliotecĂĄrio educador: possibilidades de atuação no contexto da biblioteca escolar / AndrĂ© Carlos da Silva, ValĂ©ria Martin Valls y Mariana de Paula Silva. -- Uma ONG para Bibliotecas Escolares : estratĂ©gia para ampliar a igualdade e capacidade de acesso e uso da informação e educação escolar de qualidade / Suelen Camilo Ferreira y Luciana de Souza Gracioso. -- O aluno com deficĂȘncia: o papel do bibliotecĂĄrio na disponibilidade de recursos acessĂ­veis na biblioteca escolar / Adriano de Sales Coelho, Rosilene de Melo Oliveira y Marcos Pastana Santos. -- Biblioteca digital virtual e o uso do tablete: uma possibilidade de construção de novas prĂĄticas de leitura na escola / Barbara Cibelli da Silva Monteagudo y Dagoberto Buim Arena. -- A importĂąncia da biblioteca na educação de crianças de 0 a 3 anos / Yngrid Karolline Mendonça Costa y Cyntia Graziella Guizelim SimĂ”es Girotto. -- Comportamento Informacional de adolescentes: a relação com bibliotecas e escolas / Nelson Sebastian Silva-Jerez y Helen de Castro S. Casarin

    Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries

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    Abstract Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries

    La necrĂłpolis de Los Collados de Almedinilla (CĂłrdoba): HistoriografĂ­a de un cementerio complejo

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    The excavations in the Necropolis of Los Collados, carried out by Luis Maraver y Alfaro in the second half of the 19th century, and afterwards, those done by Pierre Paris and Arthur Engels at the beginning of the 20th century, serve to define archeologically that which would be considered Iberian culture. Since then, apart from a few reviews of materials, this site has been forgotten to the point that its exact location was unknown to researchers. It was because of this that prospecting work and excavation were carried out in May and July 2019 that allowed archeologists to locate the necropolis and recover various tombs and ritual deposits. In this work we present the preliminary results of both interventions.Las excavaciones en la necrópolis de Los Collados realizadas por Luis Maraver y Alfaro en la segunda mitad del siglo XIX, y posteriormente las de Pierre Paris y Arthur Engels a principios del siglo XX, sirvieron para definir arqueológicamente la que sería conocida como Cultura Ibérica. Desde entonces, al margen de algunas revisiones de materiales, este yacimiento ha sido olvidado hasta el punto de que su ubicación exacta era desconocida para los investigadores. Es por ello que durante mayo y julio de 2019 se realizó una campaña de prospección y excavación que permitió localizar la necrópolis y recuperar varias tumbas y depósitos rituales. En este trabajo presentamos los resultados preliminares de ambas intervencione

    Creativity and Innovation Skills in University STEM Education: The CHET Project Approach

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    Creativity and innovation are crucial skills to face challenges in economy, environment and social context today, especially next decade with 2030 Agenda for Sustainable Development adopted by all United Nations Member States. European Higher Education System considers STEM studies play a key role to lead the global labor market and address our economic system towards more sustainability and equality model. Innovative educational projects developed at the Universidad Politécinca de Madrid have identified lack of students skills in creativity and innovation to apply challenge based-learning and others methodologies in classrooms. Hovewer Higher Education institutions need a whole approach to include creativity in university curricula (graduate and postgraduate programs), at the same time, professors claim support to embebed innovative methodologies in their subjects. CHET Project is designed as a solid strategy aimed at developing an innovative process to modernization of Higher Education System in Europe. Step by step, the project begins by defining the learning environment, then developing creativity techniques and tools, and finally validating methodologies and processes. All this supported by free access online platform
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