Search results for "IMPACT"
showing 10 items of 1703 documents
Déréglementation, sécurité et prévision d’accidents extrêmes : le cas du fret ferroviaire français
2010
The deregulation of rail freight has been considered, for long time, as a factor of safety reduction. This article aims to show that, for the moment, one cannot consider that deregulation of rail freight has a significant negative impact on safety in France. Following KJELLÉN (2000), we looked if it's possible to know the periodicity of extreme accidents in this sector.
Transmigración del canino inferior incluido: Presentación de un caso y revisión de la literatura
2006
La retención, es decir, la no erupción de un diente permanente más allá de un año después de la edad normal de erupción, es relativamente poco frecuente si exceptuamos el caso de los terceros molares y los caninos superiores. La transmigración se define como el fenómeno en el cual un diente incluido no erupcionado traspasa en más de la mitad de su longitud la línea media. Exponemos el caso clínico de una paciente de 20 años de edad, que presentaba la transmigración del canino inferior izquierdo, con un patrón de migración tipo 4 de Mupparapu. De igual forma, realizamos una revisión bibliográfica de los casos publicados de transmigración, actualizando los principales aspectos de esta patolog…
LongHome: desarrollo de una herramienta para la medición de impacto de los servicios de atención a personas sin hogar
2022
Diversos autores subrayan la necesidad de mejorar las estructuras de medición de impacto en los servicios para personas sin hogar, específicamente en el contexto europeo. La mejora del monitoreo y evaluación de los procesos de intervención permitirían la caracterización de subgrupos internamente homogéneos y la identificación de rutas de entrada y salida al sinhogarismo. La herramienta LongHome permite estandarizar una metodología de medición de impacto en servicios de atención a personas sin hogar, para analizar la eficacia de los programas. LongHome operativiza la tipología ETHOS mediante una evaluación longitudinal que permite identificar el estatus residencial en tres momentos en el tie…
Impacts interculturels au Néolithique moyen. Du terroir au territoire : sociétés et espaces.
2006
International audience; INTERACTIONS CULTURELLES ET EMPRISE DES SOCIÉTÉS NÉOLITHIQUES SUR LES ESPACES"Interactions culturelles", "espaces", voilà bien des sujets que certains pourraient qualifier de rebattus ! Diverses éditions antérieures du colloque néolithique n'ont-elles pas fait de l'un ou l'autre leur thème central ? Leur choix, pour ce colloque ne relèverait-il alors que d'une soumission aux vogues du moment ? On privilégie en effet volontiers ces derniers temps les débats touchant aux relations interculturelles. Et il paraît de bon ton de sacrifier aux approches spatiales, quand ce n'est pas à leur seul instrument, le "SIG". Mais, au delà de ces considérations un peu simplistes, ce …
Winter long dry spells in the Mediterranean basin and associated atmospheric conditions : contemporary and future variability (1957-2100)
2017
In the context of climate change, as reflected by a dryer Mediterraneanbasin, this thesis focused on the study of the contemporary and future variability(1957-2100) of the wintertime (September to April) very long dryspells events (called VLDSe) in the Mediterranean basin. An original methodologywas developed in this thesis in order to define VLDSe as singularclimatic events, characterized by location, duration and spatial extent criteria.76 VLDSe were detected in the Mediterranean basin on the contemporaryperiod (1957-2013). These events are divided into 4 main geographicalpatterns: North-East, West, Scattered Localized and South-East. North-East and West configurations are associated with…
Higher education for a better life: Canada in international context
2015
International audience; This study examines the impact of higher education on the wellbeing of Canadians in international context using single- and multi-level models examined separately for women and men. The results indicate that the relationship between higher education and wellbeing differs substantially between countries, with Canada standing out as an unusual case.
Higher learning for happiness? The non-economic benefits of higher education
2015
International audience; This project examines the impact of higher education on wellbeing in Canada and internationally using the capability approach. The focus is theoretical and empirical: The conceptual conclusions and statistical results are compared to those of human capital and utilitarian approaches, and the implications for higher education research in Canada are explored.
Environmental impact of antifouling technologies: state of art and perspectives
2001
1. Marine fouling affects most man-made surfaces temporarily or permanently immersed in the sea, resulting in significant (or substantial) economic costs. Intense research is aimed at preventing or reducing fouling. 2. The most widespread solution to avoid fouling formation is to make surfaces unsuitable for settlers, coating them with antifouling (AF) paints containing toxic compounds. Most AF agents (e.g. tributyltin, (TBT)) have undesirable effects on non-target species, including commercially important organisms. 3. To date, the use of TBT in AF paints has been restricted (but not prohibited) in a number of countries and new biocides are in use. 4. The environmental problems posed to ma…
Improving education management in Madagascar: results and implications of an impact evaluation
2008
International audience
In Situ Observations of Ice Particle Losses in a Young Persistent Contrail
2018
We describe results of in situ observations of a 1 to 2-min old contrail in the vortex Phase generated from soot-rich exhaust (> 10^15 emitted soot particles per kg-fuel burned). Simultaneous measurements of soot (EIsoot) and apparent ice (AEIice) particle number emission indices show a pronounced anti-correlation in the vertical contrail profile. AEIice decrease by about 75% with increasing distance below the contrail-producing aircraft,while EIsoot increase by an equivalent relative fraction, therefore strongly suggesting sublimation causing the ice particle losses. Quantifying these losses in measurements helps to validate and improve contrail parameterizations used to estimate the clima…