Search results for " valor"
showing 10 items of 416 documents
Coffee biowaste valorization within circular economy: an evaluation method of spent coffee grounds potentials for mortar production
2021
Abstract Purpose Spent coffee grounds (SCG) are biowastes extensively generated within the coffee supply chain. Nowadays, their disposal represents an increasing environmental concern due to its toxicity and organic nature. With the estimated increase of coffee production and consumption in the upcoming years, there is an imperative need to find a proper reverse option, along with a novel industrial application, which allows for the valorization of this coffee by-product within a circular economy perspective. This study aims at investigating a potential reuse of spent coffee grounds to produce novel construction materials to be used for sustainable buildings. Methods After having illustrate…
Persiguiendo con imparcialidad ?el total desprecio a la Constitución? : el léxico valorativo en la Querella del Fiscal de Cataluña contra Carme Forca…
2017
Se propone un estudio semantico-discursivo de las dos querellas presentadas por la Fiscalia Superior de Cataluna contra D.a Carme Forcadell i Lluis, presidenta del Parlamento de Cataluna, y contra los miembros de la Mesa del Parlamento catalan por los delitos de desobediencia y prevaricacion. Compaginando las metodologias del analisis de sentimiento, de la linguistica del corpus y de la teoria de la valoracion, este estudio desmiente la idea de que la querella solicita de forma imparcial la aplicacion de normas generales a casos concretos. Lejos de ser facticos o ideacionales, los enunciados del fiscal estan cargados de significados interpersonales y manifiestan implicacion subjetiva con un…
Reforming a complicated income tax system: The political economy perspective
2006
Abstract In this paper we analyze the political economy of revenue-neutral income tax reforms when a government aims at cutting back deduction possibilities in exchange for lower tax rates (“tax-cut-cum-base-broadening”). We show that the individual decision whether to support or reject a reform proposal depends on how strongly the voter is affected by all available exemptions, even if the cut of only one single exemption is at stake. The voting outcome in the society depends on the joint distribution of the deductible characteristics. Due to implicit logrolling there are cases where only symmetrical tax reforms are possible, whereas for other properties of the joint distribution only asymm…
High purity recovery of magnesium and calcium hydroxides from waste brines
2021
Direct disposal of concentrate brines, generated by many industrial sectors, causes serious environmental concerns. An industrial sector that produces high concentrate brines is softening water industry, in particular during the regeneration of ion exchange resins. These brines are mainly rich in sodium, magnesium and calcium chlorides, thus, their regeneration, by removal/recovery of magnesium and calcium, can be a valuable option to turn the brine into a source of minerals and reduce disposal costs and environmental concerns. In this regards, one of the goals of EU-funded ZERO BRINE project is to develop a treatment chain for the valorization and regeneration of spent brines from water so…
The potential link between episodes of diverticulitis or hemorrhoidal proctitis and diets with selected plant foods : a case-control study
2021
Diverticulitis and hemorrhoidal proctitis in the population are significant public health problems. We studied the potential association between the intake of certain plant foods and diverticulitis or hemorrhoidal episodes through a case–control study including 410 cases and 401 controls. We used a semiquantitative food frequency questionnaire. The intake was additionally quantified according to a 24 h recall. The plant foods or derived food products were categorized by their main chemical components into ethanol, caffeine/theine/theobromine, capsaicin, alliin, acids, eugenol, and miscellaneous foods such as curcumin. The mean score for overall intake of plant foods under consideration was …
Participar como voluntario en eventos especiales: comparación entre el valor esperado y percibido
2015
El fenómeno del voluntariado, como parte del sector no-lucrativo, puede ser estudiado desde una perspectiva de marketing como un comportamiento de consumo en el contexto de la realización de eventos especiales. En este estudio se busca explorar la dimensionalidad de la experiencia de ser voluntario en un megaevento religioso a través del concepto valor analizado con un enfoque diacrónico: pre-uso (valor esperado) vs. post-uso (valor percibido). Para ello, proponemos un estudio longitudinal sobre 711 voluntarios a través de dos análisis de componentes principales diferentes, antes y después del evento, sobre las mismas escalas de las dimensiones de valor. La estructura propuesta es consisten…
Thermal kinetics for the energy valorisation of polylactide/sisal biocomposites
2018
[EN] The thermal stability and decomposition kinetics of PLA/sisal biocomposites was discussed to evaluate the suitability of their use in energy recovery processes such as pyrolysis and combustion. The influence of the addition of sisal up to 30%wt, the presence of coupling agent, and the atmosphere of operation, i.e. inert or oxidative was discussed by means of multi-rate linear non-isothermal thermogravimetric experiments. All biocomposites showed a mean high heating value of 15 MJ/kg indicating their suitability for energy recovery processes. The thermal requirements of PLA/sisal decomposition were assessed in terms of onset decomposition temperature and apparent activation energy. A mi…
Material valorisation of amorphous polylactide. Influence of thermo-mechanical degradation on the morphology, segmental dynamics, thermal and mechani…
2012
[EN] This paper reports the effects of multiple mechanical recycling on the structure and properties of amorphous polylactide (PLA). The influence of the thermo-mechanical degradation induced by means of five successive injection cycles was initially addressed in terms of macroscopic mechanical properties and surface modification. A deeper inspection on the structure and morphology of PLA was associated to the thermal properties and viscoelastic behaviour. Although FT-IR analysis did not show significant changes in functional groups, a remarkable reduction in molar mass was found by viscometry. PLA remained amorphous throughout the reprocessing cycles, but the occurrence of a cold-crystalli…
Acceptance and validity of the methods used to implement a competency based medical education programme in an Intensive Care Department of a teaching…
2021
Abstract Objectives 1. To determine the satisfaction of tutors and residents with a specific methodology used to implement CoBaTrICE. 2. To determine the reliability and validity of the global rating scales designed ad hoc to assess the performance of the residents for training purposes. Design Prospective cohort study. Participants All the residents and tutors of the ICU Department of the Hospital Universitario y Politecnico la Fe de Valencia. Intervention CoBaTrICE implementation started in March 2016, it was based on: (1) Training the tutors in feedback techniques; (2) Performing multiple objective and structured work based assessments to achieve the competences of the program; and (3) T…
Un enfoque alternativo para la medicion del riesgo de interes en el ámbito de la renta variable
2002
Roman.Ferrer@uv.es El presente trabajo se plantea como objetivo primordial la derivación de una fórmula teórica de validez general para la duración de las acciones que supere las principales limitaciones de las tradicionales medidas de la duración obtenidas en el ámbito del Modelo del Descuento de Dividendos (DDM) en su versión simplificada de crecimiento constante. Con tal fin, se presta una atención preferente a las posibles interrelaciones existentes entre la tasa de crecimiento de los dividendos de las acciones y los tipos de interés nominales. En esencia, la medida de la duración generada con este enfoque alternativo se caracteriza básicamente por la incorporación de un factor de ajust…