Search results for " artificial"
showing 10 items of 2657 documents
Primera liberación de juveniles de mero Epinephelus marginatus (Lowe, 1834) (Serranidae: Teleostei) cultivados en criadero en arrecifes artificiales …
2008
A pilot experiment of stock enhancement based on the release of hatchery-reared juveniles of dusky grouper, Epinephelus marginatus, was carried out at two artificial reefs located 0.9 km offshore the south-western Sicilian coast (Central Mediterranean). The fish assemblages inhabiting the reefs were characterized using underwater visual census (UVC) surveys. Despite some differences in fish species richness, diversity and abundance, both artificial reefs provide suitable feeding resources and shelter opportunities for the settlement of dusky grouper juveniles. A total of 95 dusky grouper juveniles, which were 3 and 4 years old, were released. No stress-related effects on fish swimming or be…
E-maintenance platform: a business process modelling approach
2014
Las tecnologías de la información y la comunicación (TIC) se utilizan cada vez más en la sociedad y en los negocios. Las TIC se han convertido en un elemento clave para el desarrollo empresarial y la mejora de las actividades en todos los departamentos de una organización. Análogamente, la creciente importancia de los Sistemas de Gestión de Mantenimiento asistido por Ordenador (CMMS), Mantenimiento Basado en la Condición (CBM), y la aplicación de dispositivos remotos y funciones como el e-mantenimiento, han abierto grandes posibilidades para la optimización del mantenimiento. Estas técnicas han dado lugar a la aparición de retos tecnológicos, tales como la interoperabilidad entre diferentes…
Evidencias de un recubrimiento de magnetita artificial en el armamento íbero
2011
A metallographic study of two pre-roman Iberian arms, affected by a cremation process, revealed the presence of an outer magnetite layer, providing highly protective properties. This layer is extraordinarily tenacious and of very homogeneous thickness, indicating an intentional manufacturing process rather than an accidental formation during the severe heating/cooling cycles the artefact suffered. Up to date, the intentional production of these types of layers has been attributed to a welding process of three different metallic sheets, here an alternative model is proposed, allowing, as could be simulated in the laboratory, the virtually exclusive formation of a magnetite coating.<br>…
TEACHING IN BUSINESS ADMINISTRATION: A CUSTOMIZED PROCESS DRIVEN BY TECHNOLOGICAL INNOVATIONS
2020
espanolTres innovaciones tecnologicas desafian los procesos de aprendizaje de la educacion superior. Este documento aborda las implicaciones para estos procesos de aprendizaje de transformacion digital interactiva, inteligencia artificial y personalizacion de contenido. Estas innovaciones involucran tres tipos de procesos de aprendizaje y ensenanza: aprendizaje digital, analisis de aprendizaje y aprendizaje personalizado. Nuestro enfoque sugiere implicaciones relevantes para llevar a cabo actividades de ensenanza en el nuevo escenario caracterizado por aprender en cualquier lugar, en cualquier momento. Ademas, el proceso de digitalizacion permite a los maestros usar tecnicas de mineria de d…
What Key Aspects Do ICOs Reveal About Their Businesses?
2020
AbstractBlockchain technologies disrupt industries by enabling decentralized and transactional data sharing across a network of untrusted participants, among others. Initial Coin Offerings (ICOs) are a novel form of crowdfunding through which hundreds of blockchain-enabled businesses manage to raise billions of dollars in total only in United States. However, there is a lack of understanding of the ICO phenomenon especially related to the business aspects. In this paper, we describe the results of an exploratory study of 91 ICOs and identify the key business model elements that ICOs reveal in their websites and whitepapers. Furthermore, we also note the immaturity and lack of transparency o…
Glottal Source Features for Automatic Speech-Based Depression Assessment
2017
Depression is one of the most prominent mental disorders, with an increasing rate that makes it the fourth cause of disability worldwide. The field of automated depression assessment has emerged to aid clinicians in the form of a decision support system. Such a system could assist as a pre-screening tool, or even for monitoring high risk populations. Related work most commonly involves multimodal approaches, typically combining audio and visual signals to identify depression presence and/or severity. The current study explores categorical assessment of depression using audio features alone. Specifically, since depression-related vocal characteristics impact the glottal source signal, we exa…
Impacto de una nueva metodología de análisis de biomarcadores de imagen ecográfica en ciclos sustituidos sobre la tasa de éxito en donación de óvulos
2019
En las últimas décadas la imagen médica se ha convertido en una herramienta indispensable para conocer y analizar el interior del cuerpo humano de forma no invasiva. Además, la digitalización de la imagen y el desarrollo de técnicas de procesado computacional permiten en la actualidad extraer información contenida en la imagen imperceptible para el ojo humano. Esta información extraída de la imagen se conoce como Biomarcador de Imagen (BI). Un Biomarcador de Imagen (BI) se define como un parámetro que representa y cuantifica de forma objetiva una propiedad (estructural, funcional o biológica) del tejido objeto de estudio, y que se comporta como indicador de un proceso biológico normal, una …
Specie vegetali mediterranee impiegate nei sistemi di fitodepurazione
2010
L’acqua è un bene essenziale che ha da sempre influenzato la localizzazione degli insediamenti antropici, permettendone lo sviluppo e garantendone sussistenza, igiene e forza motrice. L’utilizzo di questa risorsa, sempre più preziosa e vulnerabile, non sempre risponde a criteri di salvaguardia, conservazione e miglioramento della qualità e della quantità. I frequenti periodi di siccità e i processi di inquinamento hanno determinato nel tempo una progressiva riduzione delle risorse idriche disponibili nei diversi settori di impiego e motivato l’esigenza di trovare nuove soluzioni per una migliore gestione della “risorsa acqua”. Tra le tecnologie proponibili a basso impatto ambientale, soprat…
Toolbox for Distance Estimation and Cluster Validation on Data With Missing Values
2022
Missing data are unavoidable in the real-world application of unsupervised machine learning, and their nonoptimal processing may decrease the quality of data-driven models. Imputation is a common remedy for missing values, but directly estimating expected distances have also emerged. Because treatment of missing values is rarely considered in clustering related tasks and distance metrics have a central role both in clustering and cluster validation, we developed a new toolbox that provides a wide range of algorithms for data preprocessing, distance estimation, clustering, and cluster validation in the presence of missing values. All these are core elements in any comprehensive cluster analy…
Tema 17_Cas clínic_Nutrició artificial
2023
El document forma part dels materials docents programats mitjançant l'ajut del Servei de Política Lingüística de la Universitat de València. Es tracta de material docent de l’assignatura endocrinologia i nutrició II del Grau de Medicina. S’inclou el cas clínic comentat corresponent al tema 17 de l’assignatura. Es tracta d’un pacient amb malnutrició. Es desenvolupa l'etiologia, el diagnòstic, el diagnòstic diferencial i el tractament. This is teaching material for the endocrinology and nutrition II subject of the Degree in Medicine. The commented clinical case corresponding to topic 17 of the subject is included. This is a patient with malnutrition. Etiology, diagnosis, differential diagnosi…