Cette recherche s’intéresse aux motivations à la vente d’occasion entre particuliers (C to C). Trois études (focusgroup, entretiens semi-directifs et questionnaire) montrent que les motivations ne sont pas uniquement économiques mais que ce qui donne du sens à la vente d’occasion supplante l’aspect financier : la volonté de s’opposer à la société de consommation (dimension protestataire), celle de retrouver le plaisir de l’échange (dimension récréationnelle) et celle de prolonger la vie des objets (dimension générative). La vente via Internet répond aux motivations économiques tandis que les vide-greniers et vide-dressing répondent davantage à des motivations récréationnelles, protestataires ou génératives.
Article published by EDP Sciences and available at http://www.edpsciences.org/radiopro P. ZEïTWOOG ef a / . signature of uranium, radium and radon can clearly be recognized from the same product of natural origin. For exemple in tbe case of radon the industry produces only 222Rn whiie the naturai emanations are composed of 2% and zzzRn. In the case of radium the industry produces only 226Ra whiie both 226Ra and 2"Ra are present in the natural environment. Demonstration of completion with regulatory l i t s in situations where the industrial impact is less tban the impact from the natural radioactive environment could be made feasible on a routine basis.
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