879 resultados para Loose Groups


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Podeu escriure el text directament o arrossegar-lo des d'un altre document En los últimos años el fenómeno de las bandas callejeras integradas por jóvenes latinoamericanos ha atraído la atención de los medios de comunicación y de diferentes grupos políticos. Colectivos de estos jóvenes con frecuencia acaban siendo descritos como "bandas" y presentados como grupos altamente delictivos que tienen como propósito perturbar la paz pública. Esta investigación, llevada a cabo en Cataluña, desmitifica muchos tópicos difundidos dentro de la población. Se muestra que las bandas callejeras de origen latinoamericano no son grupos delictivos. La participación de sus miembros en la delincuencia constituye una parte menor de entre todas sus actividades. Son grupos que carecen de una estructura fuerte y de organización jerárquica suficiente para que puedan ser catalogados como organizaciones criminales. Tales grupos, además, no mantienen relaciones de carácter instrumental con sus homólogos en los países de América Latina y no han sido implantadas por voluntad de estos.

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This paper examines support groups for parents of newly-diagnosed hearing-impaired children and presents an outline for an effective parent support group.

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This paper reviews a study to determine the differences between multiply handicapped and deaf children in social interactions.

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In this paper, the issues that arise in multi-organisational collaborative groups (MOCGs) in the public sector are discussed and how a technology-based group support system (GSS) could assist individuals within these groups. MOCGs are commonly used in the public sector to find solutions to multifaceted social problems. Finding solutions for such problems is difficult because their scope is outside the boundary of a single government agency. The standard approach to solving such problems is collaborative involving a diverse range of stakeholders. Collaborative working can be advantageous but it also introduces its own pressures. Conflicts can arise due to the multiple contexts and goals of group members and the organisations that they represent. Trust, communication and a shared interface are crucial to making any significant progress. A GSS could support these elements.

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Direct numerical simulations of turbulent flow over regular arrays of urban-like, cubical obstacles are reported. Results are analysed in terms of a formal spatial averaging procedure to enable interpretation of the flow within the arrays as a canopy flow, and of the flow above as a rough wall boundary layer. Spatial averages of the mean velocity, turbulent stresses and pressure drag are computed. The statistics compare very well with data from wind-tunnel experiments. Within the arrays the time-averaged flow structure gives rise to significant 'dispersive stress' whereas above the Reynolds stress dominates. The mean flow structure and turbulence statistics depend significantly on the layout of the cubes. Unsteady effects are important, especially in the lower canopy layer where turbulent fluctuations dominate over the mean flow.