Search results for "Dolo"
showing 10 items of 4274 documents
A2Ba: Adaptive Background Modelling for Visual Aerial Surveillance Conditions
2015
International audience; Background modelling algorithms are widely used to define a part of an image that most time remains stationary in a video. In surveillance tasks, this model helps to recognize those outlier objects in an area under monitoring. Set up a background model on mobile platforms (UAVs, intelligent cars, etc.) is a challenging task due camera motion when images are acquired. In this paper, we propose A2Ba, a robust method to support instabilities caused by aerial images fusing different information about image motion. We used frame difference as first approximation, then age of pixels is estimated. This latter gives us an invariability level of a pixel over time. Gradient di…
kLa MEASUREMENT IN BIOREACTORS
2010
For accurately measuring kLa in bioreactors the dynamic pressure method (DPM) was introduced by Linek et al. (1993). In this work a simplified version of the same method is discussed. With respect to the original DPM, the simplified version greatly simplifies data treatment. In fact final constant slope observable in the usual semi-log diagram of residual driving force versus time may be simply corrected to obtain the real kLa value with negligible inaccuracy. Experimental data obtained on a lab-size stirred tank reactor confirm all model predictions, including the feature that the adoption of large pressure changes may lead to a better accuracy.
Fabrication and characterization of Metal and Metal Oxide Nanostructures Grown by metal displacement deposition into anodic alumina membranes
2011
Abstract preview not available - see full-text PDF article.
Vortex shape in unbaffled stirred vessels: experimental study via digital image analysis
2011
There is a growing interest in using unbaffled stirred tanks for addressing certain processing needs. In this work, digital image analysis coupled with a suitable shadowgraphy-based technique is used to investigate the shape of the free-surface vortex that forms in uncovered unbaffled stirred tanks. The technique is based on back-lighting the vessel and suitably averaging vortex shape over time. Impeller clearance from vessel bottom and tank filling level are varied to investigate their influence on vortex shape. A correlation is finally proposed to fully describe vortex shape also when the vortex encompasses the impeller.
Pain neuroscience education and physical exercise for patients with chronic spinal pain in primary healthcare: a randomised trial protocol.
2019
AbstractBackgroundChronic musculoskeletal pain affects more than 20% of the population, and the prevalence is increasing, causing suffering, loss of quality of life, disability, and an enormous expenditure on healthcare resources. The most common location for chronic pain is the spine. Many of the treatments used are mainly passive (pharmacological and invasive) and poor outcomes. The treatments currently applied in the public health system do not comply with the recommendations of the main clinical practice guidelines, which suggest the use of educational measures and physical exercise as the first-line treatment. A protocol based on active coping strategies is described, which will be eva…
Prácticas artísticas de visualización entre cuerpo y objeto en entornos de mediación pedagógica
2019
El artículo es producto de un proceso de investigación basado en la metodología de la Photo Based Research realizada con alumnado universitario en formación como futuros docentes. Parte del análisis de prácticas artísticas performativas del cuerpo, en relación con un entorno de mediación pedagógica y los objetos que lo configuran, para establecer una nueva mirada analítica sobre el papel de mediación del entorno y sus objetos sobre la posición del docente y su identidad. Ello nos permite vislumbrar y poder subvertir, utilizando la propuesta de análisis de visualización de entornos mediáticos, que desarrollamos en el artículo, estos efectos de mediación. Con ello, podemos articular, por medi…
Dynamic of Components Leachate from Experimental Fertilizers in Leaching Test
2018
Organic matter contained in the waste of food industry or occurring in the households, in the absence of contamination with other kind of waste, may be used to create a “fertiliser”, which could be even reused in the organic production of arable crops. Particular attention is drawn to the fertilisers which may be applied in the case of amateur cultivation of pot plants and in the allotment gardens. The paper presents the results of research regarding the dynamics of the release of nutrients from tablets created with the help of encapsulation of the mixture manufactured from solvent extraction waste of coffee (SCG), modified by the ash obtained from low temperature burning of biomass. In thi…
A Conceptual Framework for Using and Evaluating Web-Based Learning Resources in School Education
2010
Published version of an article from the journal:Journal of Information Technology Education. Also available from the publisher: http://www.jite.org/documents/Vol9/JITEv9p053-079Hadjerrouit743.pdf Web-based learning resources (WBLRs) have provided teachers with a wide range of new teachingexperiences that are not possible in traditional classroom. However, little research has beendone as to which approach to WBLRs is suitable to address issues that are pertinent to learning.This paper proposes a conceptual framework to explore the design and evaluation of WBLRs inschool education. The paper also examines the way in which the framework is used to evaluatestudents? and teachers? perceptions o…
Design of an instrument to assess the subjective social value of education in students, teachers and families: Results of a pilot study
2017
Encontramos multitud de estudios sobre el diseño y validación de instrumentos de evaluación sobre variables socio-afectivas complejas. En estos casos ha sido evidente que un desarrollo sistemático de estandarización ha mejorado las propiedades métricas y su adecuación. Por ello planteamos algunos resultados previos sobre un estudio piloto para la construcción de un instrumento que evalúe el Valor Social Subjetivo de la Educación en tres audiencias (estudiantes, profesorado y familias). En este caso se presentan las propiedades métricas encontradas y las diferencias entre grupos con 131 estudiantes, 28 docentes y 36 familiares. En general los datos son adecuados en las tres escalas implement…
Ocnos : revista de estudios sobre lectura
2007
Resumen basado en el de la publicación Título, resumen, palabras clave en español e ingles Se presenta la investigación que se está llevando a cabo en la Fundación para el Fomento de la Lectura Fundalectura (Bogotá. Colombia) sobre el funcionamiento de los comités que evalúan los libros para niños y jóvenes tanto literarios como informativos. En la primera parte, se describe el funcionamiento de los comités y los criterios de clasificación de los libros. En la segunda parte, la metodología que se utiliza para recoger los datos necesarios de la investigación. Por último, se presenta la finalidad de la investigación. ESP