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Sample records for activites electroencephalograpiques spontanees

  1. Effect of a non lethal whole-body gamma irradiation on the spontaneous and evoked electroencephalographic activities of the adult rabbit; Effets d'une irradiation gamma globale non letale sur les activites electroencephalograpiques spontanees et evoquees du lapin adulte

    Energy Technology Data Exchange (ETDEWEB)

    Court, L. [Commissariat a l' Energie Atomique, Fontenay-aux-Roses (France). Centre d' Etudes Nucleaires

    1969-07-01

    The whole of the experimental methods described (animal preparation, achievement of a precise physiological technique, dosimetry, biological information processing) allowed us to follow the changes for 15 days in the spontaneous and evoked electroencephalogram activities of rabbits submitted to a non-lethal 400 rads whole-body gamma-irradiation. Behavioural troubles, changes in the arousal state and the spontaneous electrical activity of the neo-cortex and hippocampus were noticed constantly together with an enhanced cortical excitability, and the appearance of elements of the paroxystic series sometimes in contrast with a general decrease in amplitude. After a visual stimulus the general morphology of evoked activities at the level of the primary visual areas and hippocampus was unchanged, but enhanced latencies and delays, less systematic modifications in amplitudes seemed to show out a direct effect of radiations on the nervous system and sensorial activities; these troubles seemed to occur independently from the basic electrical activity. As a whole, the changes observed were usually transitory and varied with each individual. Finally an assumption is made to explain the mechanism of arousal troubles and the general evolution of spontaneous electrical activity in the brain. (author) [French] 'L'ensemble des methodes experimentales decrites (preparation des animaux, mise au point d'une technique physiologique precise, dosimetrie, traitement de l'information biologique) a permis de suivre, pendant 15 jours, chez le lapin soumis a une irradiation gamma globale non letale de 400 rads, les modifications des activites electroencephaliques spontanees et evoquees. De facon constante, on note des troubles du comportement, des modifications de la vigilance et de l'activite electrique spontanee du neo-cortex et de l'hippocampe, ainsi qu'une augmentation de l'excitabilite corticale, l'apparition d'elements de la serie

  2. La syphilis congenitale revelee par une fracture spontanee

    Directory of Open Access Journals (Sweden)

    Mounia Lakhdar Idrissi

    2011-11-01

    Full Text Available Alors qu�elle est actuellement oubliee dans les pays developpes, la syphilis congenitale se voit encore chez nous faute du depistage antenatal. Ses formes cliniques sont polymorphes et orientent a tord vers d�autres pathologies surtout en periode neonatale. Le diagnostic n�est donc pas toujours facile. La revelation d�une syphilis congenitale par une fracture spontanee est exceptionnellement decrite. Nous rapportons dans ce travail le cas d�un nourrisson de 2 mois ramene en consultation pour limitation douloureuse des mouvements du bras droit. Le diagnostic est evoque sur les donnees radiologiques et confirme par la serologie syphilitique. Le traitement a repose essentiellement sur l�administration de la penicilline G avec une bonne evolution clinique.

  3. Alter ego + cahier d'activités : A2

    CERN Document Server

    2012-01-01

    Le cahier propose de valider et de renforcer les connaissances acquises à travers une grande variété d’activités : de vocabulaire ; de grammaire ; de communication ; de compréhension écrite et production écrite ; de plus, des activités de compréhension orale (CD audio inclus) viennent enrichir le travail sur les compétences de communication. À la fin du cahier, un portfolio permet à l’apprenant de suivre de façon active et réfléchie son apprentissage.

  4. Rapport d'Activite du Service Medical - 2001/2002

    CERN Document Server

    Fassnacht, V

    2003-01-01

    Le rapport annuel de l’année 2002 fait état de l’activité du service médical et de ses conclusions en matière de santé au travail ou de conditions de travail pour les membres du personnel du CERN, c’est à dire!: les titulaires, boursiers, étudiants, utilisateurs, attachés, etc…

  5. DELF B1 200 activités

    CERN Document Server

    Bloomfield, Anatole

    2006-01-01

    L'ouvrage est organisé par compétences de réception et de production. Chaque partie propose d'abord une présentation de l'épreuve correspondante, puis les activités de préparation suivies d'épreuves-types et d'une auto-évaluation. Dans le cadre d'une approche actionnelle, les activités fournissent les outils nécessaires à la préparation des examens. Elles donnent des exemples concrets répondant aux attentes des candidats comme à celle des examinateurs. LeNouveau DELF B1 propose des activités précises en vue d'atteindre les compétences nécessaires aux épreuves (oral, écrit, réception, production); sa simplicité et sa pédagogie en font une méthode complète. Dans la tradition de la collection Nouvel Entraînez-vous, cet ouvrage est pratique, didactique et se prête à une utilisation en autonomie ou en classe.Le niveau B1 dit " avancé " évalue un niveau de compétence où l'apprenant peut se considérer comme étant indépendant. Arrivé à ce stade, il est apte de comprendre l'inform...

  6. L'automobile sédentarise. Activités physiques et transport quotidien

    OpenAIRE

    PAPON, F

    2003-01-01

    L'activité physique non compétitive a une influence bénéfique sur la santé. Le problème est d'insérer cette activité physique dans le programme quotidien d'activité de la population. L'analyse des enquêtes nationales sur les transports montre que l'activité « faire du sport » ne représente que 7 minutes par jour en moyenne, tandis que le temps passé à marcher ou à faire du vélo tout en se déplaçant est de 16,5 minutes. Première conclusion, il est plus facile d'insérer l'activité physique dans...

  7. Transport quotidien, activités physiques et santé

    OpenAIRE

    PAPON, F

    2003-01-01

    L'activité physique non compétitive a une influence bénéfique sur la sante. Le problème est d'insérer cette activité physique dans le programme quotidien d'activité de la population. L'analyse des enquêtes nationales sur les transports en France montre que l'activité faire du sport ne représente que 7 minutes par jour en moyenne, tandis que le temps passé à marcher ou à faire du vélo tout en se déplaçant est de 16,5 minutes. Première conclusion, il est plus facile d'insérer l'activité physi...

  8. Role of Spiral and Multislice Computed Tomography in the evaluation of traumatic and spontaneous oesophageal perforation. Our experience; Ruolo della Tomografia Computerizzata Spirale e Multistrato nello studio delle lesioni traumatiche e spontanee dell'esofago: nostra esperienza

    Energy Technology Data Exchange (ETDEWEB)

    De Lutio di Castelguidone, Elisabetta; Pinto, Antonio; Merola, Stefanella; Stavolo, Ciro; Romano, Luigia [Azienda Ospedaliera di Rilievo Nazionale A. Cardarelli, Napoli (Italy). Dipartimento di Diagnostica per Immagini

    2005-03-01

    oesophageal perforation, CT showed the presence of a intramural haematoma in one case, oesophageal fluid distension with gas and a small peri-oesophageal fluid effusion (Mallory-Weiss syndrome) in another, and oesophageal rapture (Boerhaave syndrome) in the last case. Conclusions: Our experience shows that in patients with suspected traumatic and spontaneous oesophageal perforation, standard cervical and chest radiography may suggest a suspected oesophageal perforation in only a small proportion of cases, whereas oral contrast oesophagography has a higher sensitivity. Through the careful analysis of suggestive and specific signs of oesophageal perforation, a correct CT examination enables an accurate and timely diagnosis which significantly affects prognosis and provides valuable indications for treatment. [Italian] Scopo: Presentare la nostra esperienza relativa al ruolo della TC nello studio delle perforazioni traumatiche e spontanee dell'esofago. Materiale e metodi: Da marzo 2001 a maggio 2003 sono giunti alla nostra osservazione 12 pazienti (7 di sesso maschile, 5 di sesso femminile, di eta' compresa tra 25 e 66 anni, eta' media 43,5) con sospetta lesione esofagea da incidente stradale (in 4 casi), ferita d'arma bianca (un caso), post-intubazione (2 casi), da indigestione di corpo estraneo (2 casi) e di tipo spontaneo (3 casi). Cinque pazienti praticavano l'esame standard del torace e della regione cervicale. In 2 pazienti con sospetta indigestione di corpo estraneo veniva somministrato gastrografin per os. In tutti i 12 casi veniva eseguito l'esame TC del collo-torace-addome senza e con mdc ev e con mdc idrosolubile per os in 4 casi. Risultati: Nei 5 pazienti con trauma cervico-toracico-addominale l'indagine TC evidenziava oltre a lesioni traumatiche pleuro-parenchimali (pneumotorace, versamento pleurico ed enfisema sottocutaneo) anche reperti suggestivi di perforazione esofagea: aria mediastinica in sede periesofagea (5 casi), fluido

  9. Activité antioxydante et analyse chimique des acides gras et des insaponifiables de Carthamus caeruleus.

    OpenAIRE

    BENHAOUA, Siham

    2016-01-01

    L’objectif de cette étude est d’évaluer la teneur en huile des racines de Carthamus caeruleus et leur propriétés physiques et chimiques, la composition en acides gras par CPG et CPG/SM, détection des constituants mineurs de la fraction insaponifiables, fractionnement, la teneur en stérols et l’évaluation de l’activité antioxydante de l’extrait huileux, acides gras et les insaponifiables par 3 méthodes (DPPH, FRAP et blanchissement du β-carotène). La composition en ac...

  10. Prendre en compte l'activité de travail pour concevoir

    OpenAIRE

    2007-01-01

    Durant la conception, il existe une disproportion entre les soins apportés à la fabrication des machines ou à la définition des organigrammes et l’attention portée à ceux, qui par leur travail en assurent le fonctionnement quotidien. C’est ce déséquilibre que l’ergonomie tente de corriger. Cependant, il existe différentes manières de définir et de prendre en compte l’activité de travail. Dans cet article, on propose d’en distinguer trois, respectivement : la cristallisation, la plasticité et ...

  11. Nouvelles géographies des activités extractives 

    Directory of Open Access Journals (Sweden)

    Géraud Magrin

    2011-10-01

    Full Text Available Après un premier dossier consacré aux mines d’Afrique de l’Ouest, EchoGéo prolonge ici l’exploration de la géographie contemporaine des activités extractives en s’intéressant à de nouveaux espaces (Burkina Faso, Guyane, Gabon, Golfe de Guinée ; Asie du Sud et Afrique orientale et à des ressources variées (or, fer, pétrole, gemmes. Les cinq textes qui composent le présent dossier invitent à l’exploration de lieux, de stratégies d’acteurs, de relations entre acteurs et entre acteurs et milieu...

  12. La gestion territoriale de l'activité agricole dans un village lorrain

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    M. Benoit

    1990-12-01

    Full Text Available Les relations que les agriculteurs d’un village lorrain entretiennent avec leur territoire sont dynamiques. En un siècle, la répartition des cultures est devenue concentrique, centrée sur le bâti villageois, et la «sortie» des bâtiments agricoles de leur «gangue» villageoise a été un facteur décisif de cette dynamique. Les conséquences de cette actuelle gestion territoriale de l’activité agricole sont multiples et concernent le fonctionnement interne aux exploitations du village, les transferts de fertilité, donc les risques de pollution des eaux souterraines, et la création d’un paysage.

  13. ATRAGEREA MINORILOR LA ACTIVITATE CRIMINALĂ: MODALITATE NORMATIVĂ DE EXPRIMARE A FAPTEI PREJUDICIABILE CONSEMNATE LA ART.208 CP RM

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    Stanislav COPEŢCHI

    2015-11-01

    Full Text Available În cadrul studiului întreprins este supusă investigaţiei atragerea minorilor la activitate criminală, în calitate de faptă prejudiciabilă alternativă prevăzută la art.208 CP RM. Se argumentează că atragerea minorilor la activitate criminală trebuie delimitată de instigarea minorilor la săvârşirea infracţiunilor, ceea ce nu de fiecare dată are loc în practica judiciară. Sunt elucidate modalităţile faptice de exprimare a faptei de atragere a minorilor la activitate criminală.ATRACT MINORS IN CRIMINAL ACTIVITY: NORMATIVE WAY OF EXPRESSION PREJUDICIAL ACT STIPULATED IN ART.208 PC RM Within the undertaken study is being investigated act of attracting minors in criminal activity, as an alternative prejudicial act provided for in art.208 PC RM. It is argued that attract minors in criminal activity must be delimited by instigation of minors to commit crimes, which does not always take place in the judicial practice.

  14. L’activité informatique et l’accessibilité économique

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    Maxime Schirrer

    2014-02-01

    Full Text Available À travers l’étude de trois territoires de la métropole parisienne, en relation avec une approche politique, économique et territoriale, notre analyse conduit à dresser un tableau sur les tendances de localisation de l’activité informatique qui opèrent dans l’aire urbaine la plus dynamique de France. Du cœur de la métropole parisienne à deux territoires en frange métropolitaine, les Yvelines et la Seine-et-Marne, les nouvelles accessibilités en matière d’économie numérique sont-elles à la base d’une réorganisation fonctionnelle de l’espace métropolitain ? Contribuent-elles à une recomposition territoriale des espaces économiques de la région ? Le paradigme technique induit-il alors une nouvelle relation à la centralité ?

  15. LA ROLE DU NOYAU PULVINAR DU THALAMUS DANS LA TRANSMISSION DE L'ACTIVITE VISUELLE A TRAVERS LE CORTEX

    OpenAIRE

    CORTES HERNANDEZ, NELSON GABRIEL

    2012-01-01

    Seules les voies cortico-corticales sont prises en compte d'habitude dans le flux d'informations á travers le cortex visuel. Cependant, les expériences et la théorie out montré que ce mode de transmission posait de nombreux problemes. Dans cette these, j'explore le role d'une voie alternative du fhu: d'information. La biérarchie corticale visuelle est connecté au noyau Pulvinar du thalamus et cela fournit une seconde voie qui peut lier l'activité des différentes aires corticales. Le Pul...

  16. Analyse de l'activité des enseignants de chimie organique autour du contenu enseigné

    OpenAIRE

    Lafarge, David; Morge, Ludovic; Méheut, Martine

    2009-01-01

    http://ardist.aix-mrs.iufm.fr/wp-content/textes%20communications/16_Lafarge%20D; International audience; La chimie organique est souvent reconnue comme une discipline difficile à enseigner et à apprendre. Pour comprendre l'origine de cette difficulté nous avons étudié l'activité des enseignants de chimie organique jusqu'à bac+2. Nos résultats montrent que la structuration des contenus est très répandue (principaux outils théoriques, puis principales familles de molécules), la stratégie de syn...

  17. L’organisation des activités d’audit interne dans les différentes autorités publiques belges

    OpenAIRE

    Christian De Visscher; Diane Van Gils; Gerrit Sarens; Jürgen Spanhove

    2012-01-01

    L’objet de l’article vise à décrire et comparer le cadre institutionnel dans lequel se sont développées les activités d’audit interne dans les différentes autorités publiques en Belgique. L’analyse porte sur le mandat, la structure organisationnelle et le rattachement hiérarchique des activités d’audit interne de l’autorité fédérale, de la Communauté française, de la Région wallonne et de la Communauté flamande. On observe que lesdites activités ont été rendues obligatoires et qu’elles sont s...

  18. Les trajectoires spatiales d’activité des couples The spatial trajectories of couples’ activities

    Directory of Open Access Journals (Sweden)

    Eva Lelièvre

    2010-07-01

    Full Text Available Après avoir examiné les avancées récentes de l’observation et de l’analyse des contextes des parcours individuels en démographie, nous proposons ici de traiter le premier niveau interpersonnel des biographies liées : celui des deux membres d’un couple. Pour cela nous reconstituons la trajectoire de l’espace d’activité des deux conjoints formée des lieux de résidence et de travail qui se succèdent tout au long de leur union à partir des données de l’enquête Biographies et entourage de l’Ined. Puis nous présentons une approche holiste de ces trajectoires permettant d’en dégager une typologie grâce à la mise en œuvre d’une analyse qualitative harmonique dont nous détaillons les principes. La description de ces trajectoires éclaire les arbitrages des couples qui se jouent dans les stratégies de localisation, au confluent du travail, de la famille et du logement. Néanmoins, une discussion précise des limites et des pistes futures est proposée pour dépasser cette première application.After an overview of recent trends in data collection and of the different strategies applied to the demographic analysis of life courses embedded in their context, this paper presents the analysis of a specific level of interpersonal interaction : the intertwined dynamics of the life courses of both members of a couple. To this end, we reconstruct the dynamics of the activity space of couples defined as the territory covered by their place(s of residence and place(s of work since the beginning of their union, taking advantage of a rich data source, the INED Biographies et entourage survey. We then detail the principles of the data analysis method (Qualitative Harmonic Analysis. The description drawn from the typology obtained sheds light on the choices couples make for their residential moves, taking into account their family and occupational priorities. The limits of the method and future research paths are then discussed in

  19. Biodiversité en forêt et activités humaines, un compromis est nécessaire

    OpenAIRE

    La rédaction,

    2012-01-01

    La rédaction vous propose de redécouvrir une partie des articles consacrés à la forêt publiés dans le numéro 3 « Politiques publiques et biodiversité, problématiques scientifiques, enjeux politiques et actions locales » de Sciences Eaux Territoires, la revue d'Irstea. Cette synthèse a été réalisée dans l'objectif de resituer la question de la dynamique des écosystèmes forestiers dans un contexte d'incertitude sur les impacts liés au changement climatique et aux pressions dues aux activités hu...

  20. Les activités de loisirs des enfants et des adolescents comme milieu de développement

    OpenAIRE

    Kindelberger, Cécile; Le Floc’h, Nadine; Clarisse, René

    2011-01-01

    Les activités de loisirs, peu étudiées en France en psychologie du développement, font l’objet de nombreux travaux dans la littérature en particulier anglo-saxonne. Considérant ce déséquilibre, le but principal de cet article est de montrer en quoi, et comment, les loisirs constituent un environnement participant à l’évolution et à la construction identitaire. Reconnaître ce rôle invite les psychologues du développement et de l’orientation à mieux les considérer dans leur pratique. Après avoi...

  1. La perspective de l'activité en sociologie du travail : des organisations classiques au sport en passant par les associations

    OpenAIRE

    Ughetto, Pascal

    2011-01-01

    L'ouverture aux questions du travail d'analyses sociologiques spécialisées, comme celles du sport ou des associations, les amène à s'intéresser aux apports de la sociologie du travail. Il importe dès lors pour celle-ci de faire connaître sa nature plurielle. L'article souligne notamment le renouvellement venu du développement d'une sociologie pragmatiste de l'activité, par ailleurs susceptible d'être articulée avec un intérêt pour l'instrumentation gestionnaire de l'activité. Cette perspectiv...

  2. La qualification des dirigeants de santé : « Une activité professionnelle qui est encore très peu connue en gestion ».

    Directory of Open Access Journals (Sweden)

    Sandra Alvear Vega

    2013-10-01

    Full Text Available L’ « activité de qualification » du dirigeant de santé est étudiée à partir d’une entrée complémentaire de celle de la Théorie Managériale. Elle est comprise d’un point de vue microsocial, relatif à la Théorie de l’Activité et de la Théorie Cognitive de l’Apprentissage. Elle s’appuie méthodologiquement sur le courant théorique de la pragmatique discursive, dans un type d’organisation bien déterminé : l’hôpital de la ville de Curicó au Chili. Nous avons conclu que les « activités de qualification » sont des requalifications pour les autres ; elles sont comprises comme des « propositions explicites » faites par le dirigeant, dans l’intention d’influencer et d’agir sur la construction du sens faite par autrui et en permettant au dirigeant de construire un « apprentissage interprétatif ».

  3. L’activité peut-elle être objet d’ “analyse”? = A atividade pode ser objeto de “análise”?

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    Schwartz, Yves

    2015-01-01

    Dans le cadre d’une confrontation entre divers chercheurs de sciences humaines sur le concept d’activité, ce texte trace d’abord une brève histoire de ce concept tel que la démarche ergologique l’a progressivement construit, à partir de son histoire philosophique et des rencontres que ses protagonistes ont pu faire depuis plus de trente ans. Avec le concept d’activité comme dramatique d’usage d’un corps-soi, une vision anthropologique s’est peu à peu imposée: l’activité comme renégociation permanente des normes générées et/ou instituées dans l’histoire apparaît comme la forme spécifiquement humaine du vivre, le travail étant en son sein un lieu particulièrement dense de débats avec ces normes dont le corps-soi est le creuset. Le texte propose alors d’approfondir les implications de ce concept de débat de normes, comme fabricateur d’histoire, comme reproblématisant le champ de l’épistémologie, comme convoquant un univers axiologique au creux de tout agir individuel et collectif. A l’approcher ainsi, ce concept déplace le problème des rapports micro/macro, déterminations sociales/ créativités singulières, des divers empans temporels où nous avons à traiter ces débats, des niveaux innombrables où ils se jouent au sein de notre corps-soi. Ce texte en conclut que si le concept d’activité est ainsi approché, l’idée qu’on puisse en avoir des “méthodes d’analyse” paraît peu acceptable. Par contre, avec l’aide de toute méthode désimplifiant le travail, l’effort d’analyse du travail comme activité nous paraît à développer, pour donner visibilité et avenir aux réserves d’alternative que tout agir humain produit sans relâche

  4. Analyse de la motivation pour les mathematiques d'eleves du secondaire participant a une activite de programmation informatique

    Science.gov (United States)

    Ouellette, Jean-Michel

    Au Quebec, le decrochage scolaire cause par un manque de motivation de la part des eleves est une preoccupation actuelle. Dans une societe de savoirs ou les technologies prennent une place de plus en plus grande, il apparait important d'explorer toutes les pistes de travail quant a l'amelioration de la motivation scolaire des jeunes. Plus precisement, sachant qu'il existe des liens concrets entre la programmation informatique et les mathematiques, nous avons analyse l'apport possible de l'apprentissage de la programmation informatique a la motivation pour l'apprentissage des mathematiques. Trois eleves de troisieme secondaire ont participe a cette etude multicas. Selon les resultats d'analyse, tous les eleves ont vecu une amelioration de leur motivation a apprendre les mathematiques. A la lumiere de l'analyse de ces resultats, nous proposons une explication relativement aux liens possibles entre la participation des eleves a une activite parascolaire de programmation informatique et l'amelioration de leur motivation pour l'apprentissage des mathematiques.

  5. Du sport aux activités physiques de loisir : des formes culturelles et sociales bigarrées

    Directory of Open Access Journals (Sweden)

    Éric Dugas

    2007-07-01

    Full Text Available L'espace ludique des formes sociales des pratiques physiques accepte maintes variations. Du jeu informel et libre aux activités physiques institutionnelles (les sports, plusieurs catégories de situations motrices, distinctes des unes des autres, jalonnent l'espace des jeux sportifs. Après avoir défini et délimité, dans un premier temps, les contours et la richesse de l'univers des pratiques physiques ludiques, nous essayons, dans un second temps de mettre au jour le type de pratiques qui coïncident le mieux aux aspirations des pratiquants du xxie siècle. On s'aperçoit actuellement que malgré l'hégémonie du sport au sein de l'espace médiatique et économique, il se dessine néanmoins une tendance forte : la prédominance d’activités physiques ludiques de plus en plus autocontrôlées qui laissent l'initiative aux pratiquants et dans lesquelles les institutions sportives ne sont plus totalement ou pas du tout maître du jeu.From sport to leisure physical activities: mixed cultural and social formsThe game space of physical activities' social forms accepts many variations. From informal and free games to institutional physical activities (sports, several motor situation categories, distinct from each other, punctuate the space of physical games. After having specified and delimited the contours and richness of the world of playful physical activities, we will try to bring to light the kind of practices which coincide best with the 21st century's players or sports (women. Currently, we can see that in spite of sport's hegemony within the media and the economic spheres, a strong tendency is becoming apparent: the predominance of more and more self-controlled playful physical activities, which leave the initiative to players and in which governing bodies are not totally or not at all in command any more.Del deporte a las actividades de ocio: una mezcolanza en las formas culturales y socialesEl espacio lúdico de las formas sociales de

  6. Évaluation de l’activité hémostatique in vitro de l’extrait aqueux des feuilles de Marrubium vulgare L.

    Directory of Open Access Journals (Sweden)

    Nabil GHEDADBA

    2016-05-01

    Full Text Available L'objectif de cette étude est d’évaluer in vitro l’activité hémostatique des métabolites secondaires des feuilles de Marrubium vulgare. L’analyse qualitative de l’extrait aqueux (EAQ par la chromatographie sur couche mince a révélé la présence de la quercétine, la rutine et le kaempférol. La quantification des phénols totaux par la méthode de Folin Ciocalteu et des flavonoïdes par la méthode AlCl3 a donné des valeurs élevées avec l’EAQ : 175 ± 0,80 mg EAG/100g de MS, 23,86 ± 0,36 mg EQ/100g de MS. De plus, le dosage des tanins condensés par la méthode de la vanilline a montré que l’EAQ contient la valeur la plus élevée : 16,55 ± 0,03 mg E-Catéchine/100g de MS. L’évaluation de l’activité hémostatique par la méthode de recalcification du plasma décalcifié nous a permis de découvrir l’effet anticoagulant de l’EAQ lyophilisé des feuilles de M. vulgare. Une corrélation linéaire positive entre les deux paramètres étudiés (la teneur en tanins condensés et l’activité hémostatique (r = 0,96 ont permis de mettre en évidence un rôle probable de ces composés qui sont des vaso-constricteurs puissants dans l’activité hémostatique.

  7. Activité collective et apprentissage: contribution à un programme de recherche en ergonomie cognitive sur le terrain de l'enseignement et de la formation

    OpenAIRE

    Guérin, Jérôme

    2011-01-01

    S'il est maintenant largement admis dans le champ de l'éducation et de la formation que la participation à un collectif a des incidences sur l'apprentissage, les processus et les formes d'interactions spontanées entre les apprenants eux-mêmes, et entre les apprenants et les enseignants (ou formateurs) sont encore largement méconnus voire énigmatiques. C'est afin de contribuer à la compréhension de ses interactions et à une meilleure connaissance de l'activité collective en situation d'apprent...

  8. Etude phytochimique ,activités antioxydanteset antimicrobiennes des extraits de cinq plantes médicinale et analyses de leur huilles essentielles

    OpenAIRE

    SELADJI, MERYEM

    2015-01-01

    Dans le cadre de la découverte de nouvelles molécules actives à partir des sources naturelles, de l’Ouest d’Algérie, nous nous sommes intéressés dans ce travail à l’étude des métabolites secondaires (phénols totaux, flavonoïdes, tanins, et huiles essentielles) ainsi qu’à l’évaluation des activités antioxydantes et antimicrobiennes des extraits de cinq espèces végétales Nepeta nepetella, Mentha rotundifolia, Moricandia arvensis, Atriplex canescens et Schinus molle. Les teneurs en poly...

  9. De l'analyse de l'activité à la compréhension du travail enseignant : une étude de cas lors d'un stage d'observation.

    OpenAIRE

    Delpoux, Pauline; Veyrunes, Philippe

    2009-01-01

    Cette contribution présente l'analyse de l'activité d'une enseignante et d'une stagiaire, au cours d'un stage d'observation, réalisé dans le cadre de l'année de préparation au Concours de Recrutement de Professeur des Ecoles. L'activité individuelle de l'enseignante et de la stagiaire ainsi que l'articulation de ces activités sont analysées à partir du point de vue des acteurs. Les résultats montrent que ce stage constitue un mode d'accès à la communauté de pratique des professeurs des écoles...

  10. Development and validation of the 'Echelle de Motivation envers l'Activité Physique en contexte de Santé': A motivation scale towards health-oriented physical activity in French.

    Science.gov (United States)

    Boiché, Julie; Gourlan, Mathieu; Trouilloud, David; Sarrazin, Philippe

    2016-11-21

    This article presents the validation of the 'Echelle de Motivation envers l'Activité Physique en contexte de Santé' including the six forms of motivation underlined by self-determination theory. Study 1 underlines the content validity of a pool of 30 items (N = 20). Study 2 supports the six-factor structure validity of the 18-item Echelle de Motivation envers l'Activité Physique en contexte de Santé (N = 309). Study 3 (N = 191) confirms structure validity, as well as concurrent validity and 2-week temporal reliability. The Echelle de Motivation envers l'Activité Physique en contexte de Santé can be considered as a valid and reliable tool to use in prevention or rehabilitation contexts.

  11. Notion d'aide. Applicabilité du contrôle: notion d'entreprise et d'activité économique (CJCE, Cassa di Risparmio di Firenze, C-222/04)

    OpenAIRE

    Cherot, Jean-Yves

    2016-01-01

    International audience; La restructuration et la privatisation du secteur public bancaire italien s'est réalisé dans un premier temps par le remplacement des établissements publics bancaires par, d'une part, des fondations bancaires poursuivant des missions d'intérêt général à but non lucratif et, d'autre part, des entreprises bancaires auxquelles les fondations bancaires devaient apporter leur activités bancaires et financières, tout en exerçant leur activité de participation dans ces entrep...

  12. Activite locomotrice de souris isolees, de deux lignees consanguines, dans un environnement semi-naturel ou en cages d'elevage.

    Science.gov (United States)

    Le Pape, G; Lassalle, J M

    1979-10-01

    Des enregistrements continus d'activité locomotrice ont été effectués sur des souris mâles isolées des lignées Balb/c et C57bl/6, vivant en cages d'élevage ou en milieu semi- naturel. Les résultats montrent que les différences entre ces deux situations ne sont pas perçues de la même façon par les animaux des deux lign'ees: alors qu'en cages d'élevage les souris des deux lignées experiment la même quantité totale d'activaté, en milieu semi-naturel les souris Balb/c sont plus actives que les C57bl/6. En outre, l≐s différences observées entre les lignées pour la repartition de l'activité au cours du nycthèmere s'inversent lorsque l'on passe d'une situation à l'autre. L'étude de la variabilité fait aparaître une dispersion plus grande des performances dans la lignée C57bl/6 en cages d'élevage, alors qu'en milieu semi-naturel la dispersion est plus chez Bal/c.

  13. Littérature progressive du français avec 600 activités : niveau intermédiaire

    CERN Document Server

    Blondeau, Nicole; Né, Marie-Françoise

    2004-01-01

    Une organisation claire : le texte littéraire, une courte biographie de l'auteur et des notes explicatives sur la page de gauche; des activités guidées de découverte et d'exploitation sur la page de droite la progression : les textes sont classés par ordre chronologique. Les activitées de lecture et d'analyse constituent un véritable parcours d'aprentissage le choix des textes : du Moyen Age à nos jours, avec une priorité accordée à la littérature contemporaine (XIXe et XXe), des textes parmi les plus représentatifs de la littérature française, avec une ouverture sur la littérature francophone l'appareil pédagogique propose une approche facilitant la découverte et la compréhension de l'histoire littéraire, le repérage des genres et la portée des idées un usage souple : pour la classe ou en auto-apprentissage A découvrir dans cette deuxième édition revue et augmentée:

  14. Littérature progressive du français avec 600 activités : niveau débutant

    CERN Document Server

    Blondeau, Nicole; Né, Marie-Françoise

    2004-01-01

    Une organisation claire : le texte littéraire, une courte biographie de l'auteur et des notes explicatives sur la page de gauche; des activités guidées de découverte et d'exploitation sur la page de droite la progression : les textes sont classés par ordre chronologique. Les activitées de lecture et d'analyse constituent un véritable parcours d'aprentissage le choix des textes : du Moyen Age à nos jours, avec une priorité accordée à la littérature contemporaine (XIXe et XXe), des textes parmi les plus représentatifs de la littérature française, avec une ouverture sur la littérature francophone l'appareil pédagogique propose une approche facilitant la découverte et la compréhension de l'histoire littéraire, le repérage des genres et la portée des idées un usage souple : pour la classe ou en auto-apprentissage A découvrir dans cette deuxième édition revue et augmentée:

  15. L’allocation du travail des ménages agricoles entre travail agricole, activités de diversification et emplois extérieurs : une première approche à partir du raccordement RA-RICA-déclarations fiscales de 2010

    OpenAIRE

    Delame, Nathalie; Butault, Jean-Pierre; Pollet, Pascale

    2015-01-01

    Le travail des ménages agricoles se répartit entre travail agricole, activités de diversification (tourisme à la ferme, ventes directes…) et emplois extérieurs. Les facteurs pouvant jouer sur ce partage sont nombreux : disponibilité foncière, possibilités d’intensification, capital humain, préférences pour une activité agricole ou non, zones d’emploi, proximité des zones de consommation, de tourisme. La littérature a abordé les questions du partage, soit entre travail agricole et activités de...

  16. « Dynamique, Evaluation et Surveillance des Ecosystèmes côtiers » - Activités de surveillance des eaux littorales

    OpenAIRE

    Marchand, Michel

    2009-01-01

    L'océan, composante fondamentale du système Terre, est essentiel à l'activité de l'homme parce qu'il fournit des ressources vivantes, notamment dans la zone côtière, la plus riche et la plus productive, mais également la plus menacée, en terme d'aménagements, de pollutions, de surexploitation des ressources. A ce titre, I'lfremer, organisme de recherche et de développement technologique finalisé, est chargé « d'améliorer les méthodes de surveillance, de prévision d'évolution, de protection et...

  17. détermination de l'activité antioxydante des polyphinoles du caroubier (cértonia siliqua ) de la région de tlemcen

    OpenAIRE

    2015-01-01

    Notre choix d'étude s'est porté sur une plante originaire de la méditerrané nommé Caroubier (Cratonia siliqua) appartenant à. la famille des fabacées. Les pulpes et les graines de caroube de la région de Tlemcen ont fait l'objet de notre étude, dans le but de déterminer les rendements et l'activité antioxydante des composés phénoliques. Ces derniers ont des rendements de: 20% pour les polyphénols totaux; 0,4% pour les flavonoïdes et les tannins dans les pulpes, les rendements des ...

  18. Clinique de l’usage : Les artefacts technologiques comme développement de l’activité

    OpenAIRE

    Bobillier Chaumon, Marc-Éric; Clot, Yves

    2016-01-01

    Les technologies (de l’information et de la communication, objets connectés, Robot d’assistance ou de téléprésence…) sont de plus en plus au cœur de nos activités, qu’elles soient à vocations professionnelles, sociodomestiques, médicales, éducatives… Elles affectent nos pratiques, les orientent et dans certains cas, elles peuvent même chercher à les déterminer en essayant d’imposer un certain modèle de tâches, prescrit par l’organisation. Dans ces cas, la technologie prend le relais de la tec...

  19. La mise en œuvre de la tarification à l'activité à l'hôpital : des enjeux économiques et sociaux compatibles ?

    OpenAIRE

    Krief, Nathalie

    2006-01-01

    International audience; La nouvelle loi de financement de la Sécurité sociale fait de la réforme de la tarification à l'activité (T2A) des établissements de santé un levier essentiel de la modernisation de l'offre hospitalière. Celle-ci institue une forme de contrôle de gestion au moyen d'une refonte progressive du système de financement des établissements de soins. La mise en place de la T2A s'inscrit dans une légitime préoccupation d'amélioration et de « sauvetage » du système de santé, mai...

  20. Prévision des durées d'interventions électives dans le cadre de la programmation de l'activité d'un bloc opératoire : étude du cas de l'Hôpital de La Chaux-de-Fonds

    OpenAIRE

    Meuli, Christian

    2004-01-01

    La maîtrise des coûts dans le domaine hospitalier est une contrainte économique qui s'exerce au niveau de chaque service. L'activité du bloc opératoire est liée à celle de nombreux services, et l'organisation doit garantir une disponibilité adéquate pour prendre en charge à la fois une activité non programmée (urgente), une activité semi-urgente (planifiée dans les dix jours) et une activité programmée (élective). Une programmation imprécise des interventions électives engendre une perte de p...

  1. Isolement à partir de microorganismes d’agonistes et d’antagonistes de récepteurs de chimiokines :Etude de la relation structure/activité de la gliotoxine

    OpenAIRE

    Bascour, Dominique

    2005-01-01

    Cette thèse s’inscrit dans le cadre de la recherche d’agonistes et d’antagonistes de récepteurs de chimiokines d’intérêt thérapeutique chez des champignons et des levures pathogènes pour l’homme ou l’animal. Un screening préliminaire réalisé sur 88 souches de microorganismes a permis de sélectionner trois extraits de champignons présentant une activité compétitrice. Des champignons Aspergillus ochraceus et Microsporum cookei, nous avons isolé une substance possédant une activité compéti...

  2. Réalisation d'un modèle de prévision à court, moyen et long terme de l'activité d'un transporteur.

    OpenAIRE

    Despagne, Wilfried

    2010-01-01

    International audience; L'article décrit une activité de recherche qui vise à répondre à une problématique industrielle. Un transporteur sous température dirigée cherche à optimiser la planification de ses ressources humaines et matérielles à travers la prévision à court et moyen terme de son activité. Le challenge réside dans le fait de trouver un modèle de prévision unique s'adaptant, sans intervention humaine, aux spécificités des 70 agences de messagerie du transporteur. La matière premiè...

  3. L'évolution de l'activité de contrôle de gestion en contexte PME : une focalisation sur le suivi des marges et le pilotage du changement

    OpenAIRE

    Van Caillie, Didier

    2002-01-01

    L'activité de contrôle de gestion menée en contexte PME est aujourd'hui devenue véritablement bicéphale, intégrant à la fois un contrôle de gestion opérationnel dominé par la volonté de maîtrise à court terme des coûts et surtout des marges qui traversent la vie quotidienne de l'entreprise au travers de toutes ses activités et un contrôle de gestion stratégique dominé par la volonté de permettre le pilotage effectif du changement dans l'entreprise, changement lui-même issu de l...

  4. Clinical analysis on 13 cases of adult macrophage activition syndrome%成人巨噬细胞活化综合征13例临床分析

    Institute of Scientific and Technical Information of China (English)

    邱茜; 梁柳琴; 杨岫岩; 许韩师; 叶玉津; 詹钟平; 连帆; 陈冬莹

    2009-01-01

    目的 描述成人巨噬细胞活化综合征的临床特点,以提高对此病的认识.方法 对13例成人综合征患者的临床表现、实验室检查、治疗及转归的临床资料进行分析.结果 最常见的症状和体征为发热、关节痛、脾大、黄疸及肝大.最常见的实验室检查异常为转氨酶异常、高铁蛋白血症、2系以上血细胞减少、高甘油三酯血症及凝血功能异常.患者的平均铁蛋白水平为10 237μg/L.所有患者均使用糖皮质激素治疗,7例联合免疫抑制剂治疗.5例患者死亡,8例好转(其中2例出现原发疾病的复发).结论 成人巨噬细胞活化综合征是风湿免疫性疾病的一种严重并发症,发病时症状不典型,如出现不能解释的高热、血细胞减少、铁蛋白显著升高、甘油三酯升高等表现等,应警惕巨噬细胞活化综合征的出现,应积极完善检查以及时诊断.%Objective To evaluate clinical feature of adult Macrophage Activition Syndrome in order to improve our recognition of it. Methods Clinical data of 13 patients with Macrophage Activition Syndrome were analyzed. Results Fever, arthritis, splenomegaly, jaundice and hepatomegaly were the most common symptoms or signs seen in adult MAS patients. Increased liver enzymes, hyperferritinemia, hypocytosis, hypertriglyceridemia and abnormal coagulation were the most common abnormal laboratory examination. Average ferritin level of the patients was 10237 μg/L. All patients received glucocorticosteroid. 7 patients received additional immune sup-pression treatment. 5 patients died, and 8 patients got remission (2 patiens relapsed in the course of disease). Conclusion Adult Macrophage Activition Syndrome is a life-threatening complication of rheumatic disease and has no typical symptom at onset. When there axe unexplained high fever, hypoeytosis, hyperferritinemia and hy-pertriglyceridemia in rheumatic disease, we should take bone marrow examination to diagnosis the

  5. Etude Phytochimique et Activités Biologiques de quelques Plantes médicinales de la Région Nord et Sud Ouest de l’Algérie

    OpenAIRE

    MOHAMMEDI, Zohra

    2013-01-01

    Dans le cadre d’une valorisation des ressources naturelles, des extraits méthanoliques de 10 plantes (Tamarix aphylla (L.) Karst., Tamarix pauciovulata J. Gay, Paronychia argentea (Lam.), Paronychia chlorothyrsa (Murb.) Morettia canescens (Boiss.), Haloxylon scoparium (Pomel), Arthrophytum schmittianum (Pomel) M. et W., Thymelaea hirsuta (Endl.), Daphne gnidium (L.) and Calotropis procera (Ait.)) ont été testé pour leur activité antioxydante, antifongique et antiaflatoxinogène....

  6. Recent advances in the designing and the equipment of high activity laboratories; Progres recents dans la conception et l'equipement des laboratoires de haute activite

    Energy Technology Data Exchange (ETDEWEB)

    Bazire, R.; Duhamel, F. [Commissariat a l' Energie Atomique, Saclay (France).Centre d' Etudes Nucleaires

    1960-07-01

    The authors described the general principles governing the design of a laboratory for experimenting and handling radioactive substances. The difficulties encountered are of two types: 1) those due to the dangers of external irradiation; 2) those due to the dangers of internal contamination. As an example, the authors describe the French achievements in this field and in particular: - the high-activity laboratories at Saclay; - the laboratory for the examination of irradiated fuels at Saclay; - the 'hot' laboratory of the CEN-Grenoble; - the alpha, beta and gamma laboratories of the CEN-Fontenay-aux-Roses. Finally, the report describes the protective materials used for these installations. (author) [French] Les auteurs exposent quels sont les principes generaux qui president a la conception d'un laboratoire a des travaux et des manipulations sur des substances radioactives. Les difficultes a surmonter sont de deux ordres: 1) celles qui proviennent du danger d'irradiation externe; 2) celles qui proviennent du danger de contamination interne. A titre d'exemple, les auteurs decrivent les realisations francaises dans ce domaine et en particulier: - le laboratoire de haute activite de Saclay, - le laboratoire d'examen des combustibles irradies de Saclay, - le laboratoire chaud du CEN-Grenoble, - les laboratoires alpha, beta, gamma du CEN-Fontenay-aux-Roses. Enfin, le rapport decrit les materiaux de protection mis en oeuvre pour ces realisations. (auteur)

  7. Effets d'un hydrocarbure aromatique polycyclique et d'un PCB sur les activités de métabolisation des xénobiotiques de la truite arc-en-ciel (O. mykiss

    Directory of Open Access Journals (Sweden)

    CRAVEDI J. P.

    1998-07-01

    Full Text Available Des truites arc-en-ciel immatures ont été soumises à des conditions statiques d'exposition à 10 et 100 µg/l de 3,3', 4,4'-tétrachlorobiphényle (TCB ou de benzo(apyrène (BaP dissous dans l'acétone, pendant 72 h, puis transférées en eau courante non contaminée. Parallèlement un groupe de poissons a servi de lot témoin. Une partie des poissons a été sacrifiée en fin de période d'exposition, l'autre partie faisant l'objet d'un abattage après 2 semaines en eau propre. Le foie, les rosettes olfactives, les branchies et le rein ont été prélevés sur les poissons et, des microsomes et cytosols ont été préparés pour chacun des tissus par ultracentrifugation dans un tampon approprié. Les activités éthoxyrésorufine-o-dééthylase (EROD, glucuronosyl transférase (UDPGT et glutathion-Stransférase (GST ont été mesurées. Les résultats de l'exposition au BaP montrent qu'aux deux concentrations testées, l'activité EROD a été significativement augmentée par rapport au lot témoin, pour le foie (x 11 à 33 fois et la branchie (x 5 à 7 fois. Seule la dose la plus élevée a permis d'augmenter l'activité de cette enzyme dans le rein et la rosette olfactive. A la fin de la période de dépuration, il n'est observé aucune différence significative entre les lots traités et témoins. Les transferases apparaissent peu sensibles au B(aP. Après 72 h d'exposition au TCB, l'activité EROD du foie, des branchies, des rosettes et du rein est très significativement augmentée (5 à 50 fois selon le tissu par rapport au témoin, aux deux concentrations testées. Cette induction est encore plus nette après la période de 2 semaines en eau propre. L'activité UDPGT hépatique est doublée en fin de traitement pour les deux doses et se maintient à ce niveau au cours de la période de dépuration. Les GST sont légèrement induites dans le foie après les 15 jours de dépuration. Ce travail confirme la grande sensibilité de l'activit

  8. Définir l’activité journalistique. Le travail juridique d’évaluation de l’« exercice de la profession »

    Directory of Open Access Journals (Sweden)

    Camille Dupuy

    2013-12-01

    Full Text Available Le journaliste professionnel est défini en France par une loi de 1935 dont les dispositions sont inscrites dans le Code du travail. Il est notamment caractérisé par rapport à « l’exercice de [sa] profession » dont le contenu n’est pas précisé. Depuis 1936, une commission paritaire (CCIJP est chargée de délivrer une carte d’identité de journaliste professionnel (carte de presse. En cas de refus, le demandeur peut s’adresser à une commission d’appel (CSCIJP puis à la juridiction administrative. Ces acteurs opérationnalisent la définition du journaliste professionnel en évaluant à partir de cas concrets en quoi consiste l’activité journalistique. À partir d’une analyse qualitative du « travail juridique » de ces acteurs en charge de délivrer la carte de presse (entretiens, observations, décisions des instances et jurisprudence du Conseil d’État, on montre qu’ils ne peuvent se fonder uniquement sur une application concrète de la loi. Leur évaluation de la nature de l’activité doit être justifiée. Les arguments (dans les discours et dans les décisions ont été classés « à la main » selon un « arbre de classification » qui fait apparaître plusieurs regroupements qui se rattachent au même principe d’évaluation. Ces argumentaires renvoient à plusieurs principes qui reposent sur des rhétoriques à la fois technique (ce que dit la loi mais aussi professionnelle (ce qu’est un journaliste, déontologique (ce que doit être un journaliste ou économique (protéger le journaliste. L’activité journalistique est circonscrite par les décisions rendues par rapport aux activités connexes non journalistiques. Les activités techniques, promotionnelles ou de divertissement en sont exclues. L’interprétation du droit par les acteurs aux trois niveaux de décisions concourt à interroger les fonctions sociales du droit et à montrer comment les acteurs construisent et délimitent les contours de

  9. Interactions comportementales et rythmes d’activité de Glossina palpalis gambiensis et G. tachinoides (Diptera : Glossinidae en galerie forestière au Burkina Faso

    Directory of Open Access Journals (Sweden)

    Salou E.

    2012-08-01

    Full Text Available Glossina palpalis gambiensis et G. tachinoides sont des vecteurs majeurs des trypanosomoses humaines et animales en Afrique de l’Ouest. Sur une partie de leur aire de répartition, elles sont présentes en sympatrie, mais très peu d’informations sont disponibles sur leurs interactions. Nous avons capturé ces deux espèces en utilisant un système attractif composé d’écrans de tissu noir/bleu/ noir muni de film adhésif, afin de retenir toutes les glossines posées et de pouvoir mesurer la hauteur à laquelle elles se sont posées, ainsi que leur rythme d’activité en fonction de l’heure de la journée. L’étude a eu lieu dans deux zones du sud du Burkina Faso : Kartasso en amont du fleuve Mouhoun, où seule G. p. gambiensis est présente, et Folonzo sur le fleuve Comoé, où les deux espèces cohabitent. Les résultats, sur 3 800 glossines capturées, montrent une forte prédominance des captures de G. tachinoides par rapport à G. p. gambiensis à Folonzo (84 % contre 16 % des captures respectivement. À Kartasso, où elle est seule, G. p. gambiensis est capturée en moyenne à 46 cm du sol. À Folonzo, G. p. gambiensis est en moyenne attrapée à une hauteur de 65 cm, et G. tachinoides à 55 cm, ces différences de hauteurs étant significatives. Les femelles sont capturées en général plus haut que les mâles. Les deux espèces montrent un rythme d’activité similaire en fonction de l’heure de capture, mais seule G. p. gambiensis réduit sa hauteur de vol aux heures les plus chaudes. Plusieurs hypothèses, non exclusives, sont évoquées pour expliquer ces hauteurs de capture différentes : la nature de la galerie forestière, un comportement d’approche qui différerait entre espèces, mais aussi la possibilité de phénomènes de compétition interspécifique en relation avec l’utilisation de ressources énergétiques limitées (métabolisme lié à la proline. Sont également discutées les conséquences possibles

  10. La membrane ancestrale : barrière asymétrique à l'origine de l'activité optique dans les milieux vivants ?

    Science.gov (United States)

    Spach, Gérard; Merle, Liliane

    Since the discovery of the optical activity of the biomolecules, the early origin of the biopolymer asymmetry (Nucleic acids and proteins) of the living cells is the subject of many speculations. In some simple instances, asymmetric amplification has been shown experimentally to occur at the molecular level. Following some authors, its origins can be found at the subatomatic level. In this article, the early asymmetric enclosing of prebiotic moieties is stressed, by refering especially to the presence of chiral compounds of lipidic nature in the vesicle membranes and to ancestral pores or channels able to select optically active constituents of the "primordial soup", a few billion years ago. L'origine ancestrale de l'asymétrie des biopolymères, acides nucléiques et protéines, de la cellule vivante suscite depuis la découverte de l'activité optique des biomolécules une vive discussion et la recherche d'une explication rationnelle. Dans des cas relativement simples, une amplification certaine de l'asymétrie a été montrée expérimentalement au niveau moléculaire, et selon certains, elle pourait trouver sa source au niveau subatomique. Dans cet article, le rôle précoce du confinement asymétrique de la matière prébiotique est souligné, notamment en se référant à la présence de pores ou de cannaux capables de sélectionner des constituants optiquements actifs de la "soupe primordiale", il y a quelques milliards d'années.

  11. Evaluation des activités antioxydante et antibactérienne de l’huile essentielle de Citrus limon (variété Lisbon extraite par hydrodistillation

    Directory of Open Access Journals (Sweden)

    Louiza HIMED

    2016-03-01

    Full Text Available La présente étude porte sur l’évaluation des propriétés antioxydante et antibactérienne de l’huile essentielle de Citrus limon (Lisbon extraite par hydrodistillation et analysée par GC-MS. Le pouvoir antioxydant est évalué par le test au DPPH et le test de blanchissement du β-carotène. L’activité antibactérienne vis-à-vis de neuf souches bactériennes (deux à Gram positif et sept à Gram négatif est évaluée par la méthode des aromatogrammes et la méthode de dilution d’agar pour déterminer les CMI. L’extraction a donné un rendement moyen de 1,34±0,012%. Cette huile essentielle a montré des propriétés antioxydante et antibactérienne importantes. La concentration efficace qui réduit 50 % du DPPH en solution est de 0,09±0,001 µg/ml qui exprime une activité antioxydante plus importante que celle de α-tocopherol, ce résultat a été confirmé par le test de blanchissement du β-carotène. Les bactéries testées ont montré une sensibilité à l’huile essentielle. Ces activités sont liées à la richesse de l’huile essentielle en monoterpènes (81,01%.

  12. Influence de la taille, la stratégie et la structure organisationnelle sur l’adoption de la comptabilité par activités au Maroc

    Directory of Open Access Journals (Sweden)

    Azzouz Elhamma

    2013-11-01

    Cet article met en exergue les résultats d’une étude empirique, réalisée auprès de 62 entreprises au Maroc, sur l’impact de la taille, la stratégie et la structure organisationnelle sur l’adoption de la méthode ABC. Les résultats obtenus montrent un taux d’adoption relativement faible (12,9%. La méthode par activités est adoptée davantage par les entreprises de grande taille et les entreprises décentralisées.

  13. Performance Measurement of Research Activitities

    DEFF Research Database (Denmark)

    Jakobsen, Morten; Jensen, Tina Blegind; Peyton, Margit Malmmose

    Performance measurements have made their entry into the world of universities. Every research activity is registered in a database and the output measures form the foundation for managerial decisions. The purpose of this chapter is to investigate the registration practices among researchers...... the registrations as a way to be promoted and to legitimise and account for their work; on the other hand, the economic incentives behind ranking lists and bibliographic research indicators threaten the individual researcher's freedom. The findings also show how managers have difficulties in translating back...

  14. Activités culturelles

    CERN Multimedia

    Clubs, AP, Interfon

    2005-01-01

    The Club of the week: The CERN Photo Club Cycling Club Golf Club Ciné-Club : La prophétie des grenouilles Concerts du soir MicroClub Ciné-Club : Together Ciné-Club : Vertigo Evening Conference : Nicole and Serge Roetheli Café des sciences : Les Tribulations d'un jardin en ville Interfon

  15. Measurement of the activity of beta emitting gases using an ionisation chamber; Mesure de l'activite des gaz emetteurs beta au moyen d'une chambre d'ionisation

    Energy Technology Data Exchange (ETDEWEB)

    Lebouleux, P. [Commissariat a l' Energie Atomique. Centre d' Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France)

    1962-07-01

    An ionization chamber was developed for measuring directly the activity of a {beta}-emitting gas whatever the gas may be. The following two parameters are defined and determined: p, the average specific ionization produced by a {beta} disintegration, and i, the average {beta} path in the chamber. It was shown, during the determination of i, that the {beta} particles are reflected on the walls of the ionization chamber when the latter are made of a high atomic number material. It was possible to eliminate this effect by constructing an electrode chamber made of graphite. With this chamber a direct measurement can be made of the activity of a gaseous {beta} emitter with a precision of about {+-}10%. Some applications are given of the graphite electrode chamber (calibration of the chambers built industrially and determination of the activation cross section of a gaseous emitter). It was possible to determine the activation cross section of {sup 134}Xe; a value of 0.18 {+-} 0.03 barn was found. (author) [French] Le but de l'etude est de realiser une chambre d'ionisation permettant d'effectuer une mesure directe de l'activite d'un gaz emetteur {beta} quel que soit l'emetteur considere. On definit et l'on determine les deux parametres suivants: p: ionisation specifique moyenne produite par une desintegration {beta}. La determination est effectuee par une methode graphique, i: moyenne des parcours des {beta} dans la chambre. La determination est effectuee experimentalement par introduction dans la chambre d'un gaz radioactif dont on peut calculer l'activite. On a mis en evidence, au cours de la determination de i, la reflexion des particules {beta} sur les parois des chambres d'ionisation lorsque celles-ci sont constituees d'un materiau de numero atomique eleve. La construction d'une chambre a electrodes de graphite nous a permis d'eliminer ce phenomene. Avec cette chambre, on effectue une mesure directe de

  16. Caractéristiques d’activités d’évaluation de la compétence langagière à l’université

    Directory of Open Access Journals (Sweden)

    Louise Bélair

    2011-06-01

    Full Text Available Il est généralement admis que la compétence langagière est un facteur de réussite des études supérieures. Or, plusieurs professeurs d’université soulèvent l’incompétence d’un nombre croissant de leurs étudiants en ce qui a trait à la maîtrise du français. Malheureusement, même si elle est reconnue comme cruciale à l’université et malgré les problèmes évidents des étudiants universitaires concernant la compétence langagière, cette dernière n’y est pas enseignée et même rarement évaluée dans le cadre des cours disciplinaires. C’est dans cette optique que nous nous sommes intéressées à la place accordée à la compétence langagière dans des programmes professionnels dans le secteur de l’éducation. Notre objectif de recherche est donc de caractériser les activités d’évaluation de la compétence langagière. L’utilisation d’analyses de construits a révélé des différences dans l’évaluation par rapport aux caractéristiques suivantes : 1 composantes linguistique et communicative ; 2 évaluations formatives et sommatives ; 3 productions orale et écrite ; et finalement 4 évaluation individuelle ou collaborative.It generally accepted that superior language skills are an important factor when it comes to succeeding in post-secondary education. Even though it is recognized that superior language skills are important for academic achievement and that most new students do not possess these skills, these are not being taught and are rarely evaluated in undergraduate courses. Most university professors are finding that an increasing number of students have inferior or low level language skills in French language. Our research examines the importance placed on language skills in teacher education programs with the objective of analyzing the characteristics of activities used to evaluate language skills in these programs. Our findings show that there are differences in the evaluation

  17. REFERENTIELS D’ACTIVITE ET DE COMPETENCES EN KINESITHERAPIE: BASES DE L’INGENIERIE ET DE LA RECONNAISSANCE DE LA PROFESSION

    Directory of Open Access Journals (Sweden)

    Lacramioara Manole

    2009-12-01

    Full Text Available L’utilité et la valeur ajoutée de la kinésithérapie pour la société roumaine renvoie au projet de société de notre pays et à la place qu’elle réserve à la santé. Aujourd’hui il s’agit de proposer un «projet de la Kinésithérapie » pour notre société en retour du projet que la société réserve à la Kinésithérapie.Cette question d’intérêt général doit être construite en tenant compte de tous les acteurs, décideurs, chercheurs et plus particulièrement des patients.Nous voyons tous les jours notre société bouger et en même temps la conception de la santé change. Si pendant longtemps la santé se caractérisait par l’absence de maladies’ aujourd’hui nous voyons émerger une vision plus subjective, plus individuelle fondée sur de « nouveaux rapports à la vie ». Nous constatons que la santé est devenue une véritable obsession de l’homme moderne. Les progrès technologiques, l’accroissement de l’espérance de vie et l’envie du mieux-être ont déplacé la frontière entre le normal et le pathologique.Pour notre société l’objectif de la Kinésithérapie c’est de ré-insèrer le patient dans son contexte familial et professionnel afin que lui-même puisse assurer ses missions d’acteur social.La question est alors de savoir ce que fait le Kinésithérapeute - référentiel d’activités - et ce que lasociété attend du Kinésithérapeute - référentiel de compétences – pour s’inscrire dans cette nouvelle vision de la Santé.Pour répondre à cette question nous proposons une approche sociologique scientifique par la description des référentiels qui sont à la base de la Kinésithérapie. Ces référentiels sont « des schémas d’intelligibilité construits en vue d’une identification à partir d’une analyse de situation ». ( J. Ardoino, France .

  18. L’acquisition scolaire d’une langue étrangère vue dans la perspective de la théorie de l’activité : une étude de cas

    OpenAIRE

    Lantolf, James P.; Genung, Patricia B.

    2005-01-01

    Dans cet article, nous présentons une étude de cas sur la transformation de la motivation dans l’apprentissage d’une L2 en suivant le parcours d’une étudiante pendant les neuf semaines d’un cours intensif de chinois dans une université américaine. Nous nous intéressons à la motivation comme processus dynamique inscrit dans une situation. L’analyse s’inspire de la Théorie de l’Activité dont les racines remontent à L.S. Vygotsky (1978, 1987) et à A.N. Leontiev (1978, 1981) et qui a fait l’objet...

  19. Intermédiation Financière et Activité Economique : une contribution à l'analyse de l'innovation et de l'instabilité financières

    OpenAIRE

    Nasica, Eric

    2012-01-01

    Les travaux que je présente dans le cadre de cette habilitation à diriger des recherches s'organisent autour d'un thème principal: l'analyse de la relation entre intermédiation financière et activité économique. Ce choix est étroitement lié à l'observation de faits empiriques qui, depuis plusieurs décennies, soulignent le rôle majeur joué par les comportements des intermédiaires financiers sur la forme des fluctuations économiques. j'ai décidé d'articuler ce travail autour de deux axes: l'étu...

  20. Contribution à l'étude de l'activité antimicrobienne des lipides totaux et des composé phénoloique des graines de foeniculum vulgar mill "besbes" de la région de Tlemcen

    OpenAIRE

    hamedi, sara née guaour

    2015-01-01

    Le rendement en poly phénol et en huile fixe ainsi que i'activite antimicrobienie ont été .étudiés sur les graines de fenouil (Foeniculum vulgar miii) « Besbes ». La teneur en eau a diéj vaIéur de 10% et l'huile fixe extraite par soxhiet a mentionné un rendement de 10.8%. Dans cette étude, les principes actifs de Foeniculum vuigar mill sont extraits par la méthode des solvants successifs: éthanol, eau et éther diétylique.. La détermination du rendement en phénols totaux a donné un...

  1. Analyse de l'activité et développement de l'auto-efficacité : Un levier pour la professionnalisation des étudiants en sciences infirmières au Liban

    OpenAIRE

    Khawand Ayle, Ghada; Nagels, Marc

    2014-01-01

    International audience; Dans le cadre de la réingénierie de la formation infirmière dans une université au Liban, l’étude montre que l’analyse de l’activité est un facteur de développement de l’auto-efficacité pour la conception d’un projet de soins chez les étudiants. L'auto-efficacité d’un individu se présente essentiellement comme une évaluation personnelle de sa compétence pour agir dans une classe de situations donnée. Ce sentiment de compétence perçue par le professionnel ou l’étudiant ...

  2. L'impact des activités non-agricoles sur la pauvreté et l'inégalité rurales, cas des groupements Bugorhe et Irhambi-Katana (Territoire de Kabare, Province du Sud-Kivu)

    OpenAIRE

    Furaha Mirindi, Germaine; Mastaki, Leki; Lebailly, Philippe

    2013-01-01

    Dans un contexte d’abandon ou négligence du secteur agricole par le pouvoir public, cette étude cherche à analyser la contribution de l’activité non agricole sur la réduction de la pauvreté et des inégalités dans le territoire de kabare dans la province du Sud-kivu. La présente étude se focalise sur deux groupements du territoire de kabare de la province du Sud-Kivu à savoir Bugorhe et Irhambi-katana dont le centre de kavumu a été retenu dans l’échantillonnage pour le premier et le centre Kat...

  3. Diversité faunique et distribution des activités de braconnage dans la Réserve de Biosphère de la Mare aux Hippopotames au Burkina Faso

    OpenAIRE

    Dibloni, Ollo Théophile; Millogo, Alfred Nicolas; Ouedraogo, Amadé Junior; Guenda, Wendengoudi; Vermeulen, Cédric

    2011-01-01

    La faune sauvage dans la Réserve de Biosphère de la Mare aux Hippopotames du Burkina Faso est très peu connue. Cette étude vise à inventorier les différentes espèces de mammifères sauvages et à recenser les activités de braconnage rencontrées dans cette réserve. Des dénombrements pédestres ont été réalisés en 2004, 2005, 2006 et 2007 suivant la méthode de transect linéaire à largeur variable. Ils ont consisté à suivre l’évolution de l’effectif des mammifères sauvages selon les con...

  4. Compte-rendu d’activité et écriture collective de l’expérience : « faire une médiation »

    OpenAIRE

    2013-01-01

    L’auteur étudie le travail réalisé par une équipe de professionnels de l’action sociale dans un établissement innovant, accueillant brièvement des jeunes en fugue. A travers un corpus fait de bilans d’activité et de comptes-rendus de journées de travail, durant les dix premières années d’ouverture du « Point Jeunes » - 1983-1992 -, on étudie le travail de définition et de clarification du terme « médiation ». L’auteur montre les difficultés propres à l’explicitation d’un terme qui est à la fo...

  5. Activité antioxydante et anti-candidosique de l’huile essentielle de Laurus nobilis L. provenant de la région d’El Kala (Nord–Est Algérien

    Directory of Open Access Journals (Sweden)

    Amira OUIBRAHIM

    2015-12-01

    Full Text Available L’huile essentielle extraite de Laurus nobilis L. par hydrodistillation a fourni un rendement de 0,7%. L’analyse de l’huile essentielle par CG/SM a permis l’identification de 17 composants, principalement des monoterpènes. 1,8 cinéole (36,31%, β-linalol (22.52%, eugenol-methylether (9.17% et camphene (7.37% ont constitué les composés majoritaires avec un total de 96,95%. L’activité antioxydante in vitro a été évaluée à travers trois méthodes: le test de piégeage du radical libre DPPH avec un IC50 de 1,55 ± 0,14 mg/ml ; le test de blanchiment de β-carotène qui a permis d’enregistrer un pourcentage d’inhibition de la peroxydation lipidique de 41,97% et finalement l’évaluation du pouvoir réducteur qui s’est avéré faible par rapport à celui de l’acide ascorbique. L’activité anticantidosique a été testée sur 4 souches de Candida albicans en utilisant la méthode de dilution en milieu gélosé. Les quatre souches ont montré une sensibilité avec une CMI de 0,68 mg/ml pour les souches d’origine urinaire et vaginale et 1.08 mg/ml pour les Candida d’origine bucco-nasale. L’huile essentielle de Laurus nobilis originaire de la région d’El Kala a manifesté des propriétés antioxidantes modérées et des propriétés anticandidosiques.

  6. Vingt ans de recherches à Saint-Véran, Hautes Alpes: état des connaissances de l’activité de production de cuivre à l’âge du Bronze ancien

    Directory of Open Access Journals (Sweden)

    Bourgarit, David

    2010-12-01

    Full Text Available Not available

    Durante la Edad del Bronce en Europa occidental, el aumento drástico de la producción de cobre apenas está documentado en las actividades mineras y metalúrgicas de transformación. En este contexto, el yacimiento minero y metalúrgico de Saint-Véran, Hautes-Alpes constituye un testimonio privilegiado de la producción en masa a fines del III milenio, ya que las obras mineras dan cuenta de una explotación a gran escala, con una producción de casi 7 t de cobre al año. Numerosos sitios de metalurgia extractiva puede haber estado asociados con ella. Desde hace 20 años, diversos equipos, como en el que participan los autores, han emprendido o emprenden investigaciones para intentar documentar el sitio y su actividad. El objetivo de este artículo es presentar el estado actual de la cuestión sobre el yacimiento. Los resultados principales son la puesta en evidencia de la actividad de producción en masa y su cuantificación. Además se ha descrito por primera vez la organización de la producción, poniendo en evidencia la sucesión de fases entre la actividad minera y metalúrgica, así como las técnicas metalúrgicas innovadoras puestas en práctica. El yacimiento revela un estallido muy marcado de la actividad metalúrgica en el espacio que no deja de plantear interrogantes. Igualmente, la cuestión del destino de la producción sigue abierta por completo. Por otro lado, los motores para una implantación semejante en un territorio de alta montaña han comenzado a identificarse. Así se invocan determinismos naturales ya se trate de la mineralización particular de un yacimiento como de la evolución del clima. [fr] A l’âge du Bronze ancien en Europe occidentale, l’augmentation drastique de la production de cuivre est très peu documentée au niveau des activités minières et métallurgiques de transformation. Dans ce contexte, le gisement minier et métallurgique de Saint-Véran, Hautes- Alpes constitue un

  7. Étude de l'activité d'un stagiaire d'EPS au travail et en vidéo-formation : Une « traçabilité » de l'évolution de l'intervention professionnelle

    OpenAIRE

    Flandin, Simon; Ria, Luc

    2014-01-01

    International audience; Cet article présente une étude de cas constitutive d'une recherche en ergonomie cognitive visant à décrire et interpréter l'activité déployée par des enseignants novices, alternativement au travail et en vidéo-formation autonome. L'analyse porte ici sur les significations produites pendant les navigations d'un enseignant sur une plateforme de vidéo-formation, ainsi que sur les effets géné-rés sur son activité de travail, lors de son entrée dans le métier. Les résultats...

  8. Influence du cadmium (Cd++ sur l'activité biologique du récepteur des oestrogènes de la truite arc-en-ciel (Oncorhynchus mykiss

    Directory of Open Access Journals (Sweden)

    LE GUEVEL R.

    1998-07-01

    Full Text Available De nombreuses publications font l'état de l'action négative du cadmium (Cd++ sur la vitellogenèse chez les poissons. Le mécanisme d'action de ce métal n'étant pas clairement établi, une étude a été entreprise afin de déterminer si l'effet du cadmium passait par une action sur l'activité biologique du récepteur des oestrogènes de la truite arc-en-ciel (rtER. Cette étude a été réalisée dans un système de levures recombinantes, exprimant de manière stable rtER, et dans des hépatocytes de truite en culture primaire. Dans la levure, rtER activé par l'oestradiol (E2 contrôle spécifiquement l'expression d'un gène rapporteur codant pour l'enzyme ß-Galactosidase. Une concentration en Cd++ de 10 µM diminue de 45 % l'expression stimulée par l'oestradiol du gène rapporteur dans les levures recombinantes. De même, dans les hépatocytes, l'expression du gène de la vitellogénine (VTG, gène sous le contrôle positif de E2, est diminuée de 65 %. Le cadmium n'affecte pas la liaison de E2 à son récepteur et seule l'activité hormonodépendante est affectée par ce métal. Les résultats de cette étude montrent que l'effet négatif du cadmium sur l'action de l'oestradiol passe vraisemblablement par une action directe de ce métal sur la fonction de transactivation hormono-dépendante de rtER.

  9. Etude de l’activité antibactérienne des huiles essentielles d’Inula viscosa, Salvia officinalis et Laurus nobilis de la région de Bejaia

    Directory of Open Access Journals (Sweden)

    Nawel Kheyar

    2014-02-01

    Full Text Available Dans cette étude, l’activité antibactérienne des huiles essentielles d’Inula viscosa, Salvia officinalis et Laurus nobilis a été évaluée in vitro par la méthode de diffusion sur gélose contre des souches de référence et multirésistante : il s’agit de Staphylococcus aureus (ATCC 6538, Pseudomonas aeruginosa (ATCC 27853, Escherichia coli (NAR, Klebsiella pneumoniae (E47 et Listeria innocua (CLIP 74915. Pseudomonas aeruginosa a été l’espèce la plus résistante, cependant, Staphylococcus aureus s’est montrée la plus sensible aux huiles testées. Les résultats de l’analyse chimique de la composition de l’huile Inula viscosa par chromatographie en phase gazeuse indiquent la richesse de cette dernière en thymol (6,93% and carvacrol (2,27%, ce qui pourrait être à l’origine des résultats observés.

  10. Just-in-time online professional development activities for an innovation in small rural schools / Activités de perfectionnement professionnel « juste-à-temps » pour l’innovation dans les petites écoles rurales

    Directory of Open Access Journals (Sweden)

    Christine Hamel

    2012-08-01

    Full Text Available This article describes the just-in-time online professional development offered to teachers in the Remote Networked Schools (RNS, a systemic initiative funded by the Quebec Ministry of Education (Canada, which aims at enriching the learning environment of small rural schools with the use of information and communication technologies (ICTs. The designed experiment method studies the activity identified and the categories of professional development offered by a university-based intervention team (UBIT over six years of deployment. Cet article décrit le développement professionnel en ligne « juste-à-temps » proposé aux enseignants dans les Écoles Eloignées en Réseau (ÉÉR, une initiative systémique financée par le ministère de l'Éducation du Québec (Canada, et visant à enrichir l'environnement d'apprentissage des petites écoles rurales par l'utilisation des technologies de l'information et de la communication (TIC. La méthode des plans d’expériences étudie l'activité identifiée et les types de développement professionnel offerts par une équipe d'intervention en milieu universitaire pendant six années de développement.

  11. La notion de régulation dans l’analyse de l’activité The concept of regulation in activity analysis La nocion de regulacion en el analisis de la actividad

    Directory of Open Access Journals (Sweden)

    Jacques Leplat

    2006-05-01

    Full Text Available Le présent article s’attache à montrer le bénéfice que peut tirer l’analyse de l’activité d’une meilleure connaissance de la notion de régulation souvent mal définie. À cette fin, il essaiera surtout de suggérer quelques pistes de travail et des moyens de les poursuivre. Il commencera par dégager quelques traits essentiels de cette notion et en proposera un modèle. Cette notion sera aussi articulée à celle de règle. La deuxième partie montre comment le modèle de régulation proposé permet d’éclairer l’analyse de l’activité, en même temps que celle-ci amène à enrichir ce modèle. Elle fera apparaître, notamment, la multiplicité des boucles de régulation susceptibles d’être exploitées dans l’exécution d’une tâche et le rôle important que peut jouer la métarégulation dans l’organisation de l’activité. La troisième partie, plus concrète, examinera quelques types d’usage de la régulation dans des études d’orientation ergonomique. Elle en donnera un petit historique, puis abordera des thèmes autour desquels se sont organisées de telles études, en particulier, la place des cadres temporels, les activités collectives et la formation. La conclusion reviendra sur l’intérêt d’un bon usage de la notion de régulation et indiquera quelques limites à son utilisation.The following text aims to show the benefit for activity analysis obtained through a better knowledge of the concept of regulation, which is often poorly defined. To achieve this, it above all tries to suggest some avenues of study and some means for following these avenues. It begins by identifying some essential characteristics of this concept, and proposes a model for it. This concept will also be articulated with that of a rule. The second part shows how the proposed regulation model elucidates activity analysis at the same time that the latter enriches this model. It reveals the many regulation loops that can be used

  12. Urgence et activité débordée dans le grand commerce Emergency and overflow activity in mass retailing Urgencia y actividad desbordada en el comercio masivo

    Directory of Open Access Journals (Sweden)

    Julien Choquet

    2012-12-01

    Full Text Available Le grand commerce est un secteur d’activité où la performance économique se mesure à l’échelle des volumes de marchandise distribuée. Derrière cet indicateur se cachent des politiques de gestion des ressources humaines largement déterminées par les questions de productivité du travail. En effet, ces entreprises commerciales ont à résoudre une équation majeure consistant à placer la bonne quantité de personnel au bon endroit et au bon moment, du fait de la forte irrégularité des affluences de la clientèle dans leurs points de vente. L’usage du temps de travail acheté constitue donc une variable fondamentale dans la maîtrise des coûts de production. Les solutions choisies ne sont pas sans incidences sur les conditions temporelles d’exécution du travail des salariés dans les magasins. Leur activité oscille entre intensité et débordement, ce qui impacte fortement leur manière d’appréhender leurs tâches, leurs relations avec la clientèle et leur capacité à vivre sereinement leur travail.Mass retail is a sector where economic performance tends to be measured by the volume of goods distributed – an indicator built upon human resource management policies that are largely rooted in the productivity of labour. Commercial companies are constantly seeking to move large numbers of staff members to the right place at the right time, a complicated exercise given customers’ irregular presence at points of sale. The way that companies use the working time that they have purchased therefore constitutes a key variable in controlling production costs. The solutions they choose will affect the temporal conditions determining employees’ in-store execution of tasks. Such activities tend to fluctuate between intensity and overflow. In turn, this strongly affects how staff members apprehend tasks; relations with customers; and their sense of serenity at work.El comercio masivo es un sector de actividad cuyos resultados

  13. Les temps sexués de l’activité : la temporalité au principe du genre ? Gendered working times: Temporality at the inception of Gender?

    Directory of Open Access Journals (Sweden)

    Marc Bessin

    2009-09-01

    Full Text Available L’article présente la problématique de ce dossier sur les temps sexués de l’activité. Il s’agit d’aborder l’activité − dans une acception large du travail, rémunéré ou non, plus ou moins visible, dans son articulation avec l’ensemble des sphères de la vie − comme miroir de l’imbrication du genre et des temporalités. Deux postures y contribuent. La plus classique consiste en une sociographie de la division sexuelle du travail où le temps sert à mesurer les inégalités. Il faut la compléter par une deuxième qui interroge les catégories temporelles : on montre ainsi que les temporalités sont au principe du système de genre. Ici le temps, appréhendé dans sa diversité et notamment ses dimensions qualitatives, résulte des pratiques et est posé comme producteur de rapports de pouvoir. La domination masculine repose sur la construction du rapport au temps : la naturalisation des compétences dites féminines s’appuie sur une temporalité basée sur le rapport à l’autre et l’engagement dans la durée. Les perspectives théoriques autour du care et de la présence sociale permettent de montrer les implications morales de l’engagement pour autrui dans ses dimensions temporelles (sens de l’anticipation, disponibilité à l’autre, ancrage dans la durée, temporalisation. Les auteurs exposent ensuite la manière dont chacune des contributions du numéro alimente cette discussion.We introduce this issue on the gendered times of work, broadly understood – i.e. paid or unpaid, and more or less visible – which, in conjunction with the other spheres of life, mirror the intricate interplay of Gender and Temporality. Two positions are highlighted. The more classical one is a Sociographics of the gendered division of labour in which time serves to measure existing inequalities. Complementary to it is a second posture that questions temporal categories: the confrontation shows that temporality is at the

  14. Collective Digital Storytelling: An Activity-theoretical Analysis of Second Language Learning and Teaching | Les histoires numériques collectives : une analyse systémique de l’activité d’apprentissage-enseignement d’une langue seconde

    Directory of Open Access Journals (Sweden)

    Carmenne Kalyaniwala-Thapliyal

    2016-08-01

    Full Text Available This paper describes the collective activity of a group of four students who created a digital story as a teaching resource that was to be used for teaching English as a foreign language. It uncovers and analyzes the actual processes underlining the activity as it unfolds from one stage to another. Four processes, viz., sociocognitive interactions, methodological processes, reflective processes and techno-semiopragmatic interactions were identified during the unfolding of the collective activity. Moreover, the results of this study highlight the role of the community in determining the activity of a lower level language group. Cet article décrit l’activité collective d’un groupe restreint de quatre étudiants qui a créé une histoire numérique en tant que ressource pédagogique pour l’enseignement de l’anglais langue étrangère. Il analyse et révèle des processus de l’activité lorsqu’elle se déplie d’une phase à une autre. Quatre processus, à savoir les interactions sociocognitives, les processus méthodologiques, les processus réflexifs et les interactions techno-sémiopragmatiques ont été identifiés. Les résultats de cette étude soulignent également le rôle de la communauté pour déterminer l’activité d’un groupe restreint ayant un niveau linguistique inférieur par rapport aux autres groupes.

  15. Rapid evaluation of the neutron dose following a criticality accident by measurement of {sup 24}Na activity; Evaluation rapide de la dose de neutrons a la suite d'un accident de criticite par mesure de l'activite de {sup 24}Na

    Energy Technology Data Exchange (ETDEWEB)

    Estournel, R. [Centre de Production de Plutonium de Marcoule, Service de Protection contre les Rayonnements, 30 (France); Henry, Ph. [Centre de Production de Plutonium de Marcoule, Section Medicale et Sociale, 30 (France); Beau, P.; Ergas, A. [Commissariat a l' Energie Atomique, Service d' Hygiene Atomique, Dept. de la Protection Sanitaire, Chusclan, (France)

    1966-07-01

    By external measurement of the gamma activity of {sup 24}Na induced in the human organs by a neutron flux during a criticality accident, it is possible to evaluate the personal dose received. Detectors designed for everyday use in health physics can be applied to these measurements, and this is described in the first part of the work. The response of a certain number of induced-activity detectors is presented. The induced activity-dose relationship is studied theoretically in the second part taking into account the neutron spectrum to which the individual has been subjected. The characteristic spectra of three possible types of accident have been used for deducing this relationship. The results obtained show that the method is sufficiently sensitive for present purposes. The accuracy of this method for calculating the dose received during an experiment is discussed. (authors) [French] La mesure par detection externe de l'activite gamma du sodium 24 induit dans l'organisme humain par un flux de neutrons lors d'un accident de criticite rend possible l'evaluation de la dose recue par un individu irradie. L'utilisation de detecteurs d'un emploi courant en radioprotection fait l'objet d'une experimentation qui constitue la premiere partie de cette etude. La reponse d'un certain nombre de detecteurs a une activite induite connue est presentee. La relation dose-activite induite, est etudiee, de maniere theorique, dans la seconde partie, correlativement au spectre des neutrons qui ont atteint l'individu irradie. Les spectres caracteristiques de trois types d'accidents possibles ont ete retenus pour l'etablissement de ces relations. Les resultats obtenus montrent que la methode satisfait avec une sensibilite suffisante au but recherche. La precision avec laquelle on peut ainsi calculer la dose recue au cours d'un accident de criticite est discutee. (auteurs)

  16. Correspondence Between Structure and Reactivity During Hydrothermal Conversion of Lignocellulosic Macromolecules Relation entre la structure ét la réactivité en conversion hydrothermale des macromolécules de lignocellulosique

    Directory of Open Access Journals (Sweden)

    Barbier J.

    2013-09-01

    Full Text Available In this study, reaction pathway of a woody biomass under hydrothermal conditions is investigated in order to further understand reactions that occur during the thermochemical liquefaction of a lignocellulosic biomass. A multitechnique analytical approach combining chromatographic and spectroscopic techniques has been developed in order to characterize both chemical structure and molecular weight of the products. From our experiments, we can assume that the holocellulosic and the ligneous fractions of biomass have different reactivity under hydrothermal condition. Although hydrothermal conversion of holocellulose and lignin occur both according to a complex pathway composed of competitive fragmentation and condensation reactions, holocellulose reacts first by total fragmentation to low molecular weight compounds followed by the condensation of the fragment to heavy molecular weight compounds, whereas lignin reacts essentially by partial depolymerisation. Since compounds produced from both the holocellulosic and the ligneous fraction are together in the reaction medium then they condense each other during the conversion of lignocellulosic material. Ce travail porte sur l’étude des voies réactionnelles accompagnant la liquéfaction thermochimique du bois et de ses constituants lignocellulosiques lors d’un traitement hydrothermal. Pour ce faire, une approche analytique multi-technique originale combinant des méthodes chromatographiques et spectroscopiques complémentaires a été développée afin de caractériser les structures et les masses moléculaires des produits. Les résultats obtenus montrent que la fraction holocellulosique et la fraction ligneuse de la biomasse ont des réactivités très différentes. Bien que les deux matériaux réagissent selon des schémas réactionnels complexes faisant intervenir de nombreuses voies de fragmentation et de condensation compétitives, la fraction holocellulosique réagit par une première

  17. Etude de l’activité pouzzolanique d’une roche andésitique en Algérie Study of the pozzolanic activity of an andesitic rock in Algeria

    Directory of Open Access Journals (Sweden)

    Clastres P.

    2012-09-01

    Full Text Available Ce travail s’inscrit dans le cadre de l’accord programme Tassili N° 09 MDU 773 entre le Laboratoire de Physicochimie des Matériaux, USTO-Oran et le Laboratoire des Matériaux et Durabilité des Constructions (LMDC, INSA-UPS-Toulouse, France. La présente étude est une contribution aux travaux de la recherche de nouvelles sources d’approvisionnement en ajouts et en matières premières et la valorisation des matériaux naturels locaux utilisés dans la fabrication du ciment. Cette étude porte sur l’activité pouzzolanique des roches volcaniques, elle a pour but de comparer les caractéristiques physiques et mécaniques d’un mortier témoin à ciment de type CEMI 52,5R fourni par la firme Lafarge et d’un mortier à ciment du même type avec ajout dont les taux de substitution de la roche Andésitique est de 0- 40%. Dans notre travail, nous avons utilisé des roches volcaniques appartenant à la famille des Andésites, provenant de la région de Tipaza, Nord Ouest Algérois. L’étude des caractéristiques mécaniques et de l’indice de pouzzolanicité ont montré que les ciments fabriqués sont capables de remplacer certains ciments Portland pour une éventuelle utilisation dans le domaine de construction. This work is a part of the agreement programs Tassili N° 09 MDU 773 between Laboratory of Physic-chemistry Materials, USTO-Oran and Laboratory of Materials and Durability of Constructions (LMDC, INSA-UPS-Toulouse, France. The present study is an attempt to the research of new supply sources in admixtures and raw materials and the evaluation of local natural materials used in the manufacture of cement. It deals with the pozzolanic activity of the volcanic rocks and aims to compare the physical and mechanical characteristics of a mortar control made with cement CEMI 52,5R provided by Lafarge firm and of a mortar made with the same cement incorporated by different replacement rate of andesitic rock in a range of 0 – 40

  18. 工作记忆训练对脑卒中患者大脑功能激活的影响%Effects of Working Memory Training on Brain Functional Activition for Stroke Patients

    Institute of Scientific and Technical Information of China (English)

    陈正威; 张璞; 恽晓平

    2015-01-01

    目的:研究计算机化工作记忆训练对脑卒中患者工作记忆及大脑功能激活的影响。方法3例脑卒中患者作为训练组,10名健康成年被试作为正常对照组。训练组接受4周工作记忆训练,对照组不接受任何训练。训练前及训练后各被试均接受认知心理行为测验和神经影像学测验(任务态fMRI)。结果工作记忆训练可有效提升脑卒中患者工作记忆、流体智力及注意力水平(P<0.001);工作记忆训练可改善异常功能激活模式并使功能激活网络发生重组。结论工作记忆训练可作为有效的康复干预措施用于脑卒中患者的认知功能康复。%Objective To explore the effects of computerized working memory training on working memory and brain functional activi-tion for stroke paitents. Methods 3 stroke patients voluntarily joined in the study, 10 healthy adults were recruited as control group. The pa-tients received computerized working memory training for 4 weeks. Cognitive psychological tests (the n-back task, Stroop task and Raven`s Advanced Progressive Matrices task) and neuroimaging test (task-state functional magnetic resonance imaging) were administered before and after treatment. Results Working memory training significantly improved the working memory, fluid intelligence and attention for each trained patient (P<0.001), and could renovate the abnormal functional activity model and reorganize the functional brain network. Conclu-sion Computerized working memory could be used as an effective cognitive rehabilitation intervention for stroke patients.

  19. Progress report; Rapport d'activite

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    This report presents a selection of results that were obtained by CEREM's teams in 1999. These results are arranged into a series of themes: (i) preparation, fabrication and forming of materials, (ii) surface treatment, (iii) energy storage, (iv) remote handling equipment, (v) corrosion, (vi) physical properties of materials, (vii) non-destructive testing, and (viii) applications of ionizing radiations.

  20. Progress report; Rapport d'activite

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    This 2000 issue of the activity report of the CEREM (CEA) gives a general overview of the CEREM organization, activities and human resources with some budgetary information. The main activities described concern the materials fabrication for the nuclear industry and for the medical field, the powder metallurgy, the surface treatments, the joining (by electron beam welding, laser welding, brazing), the electrochemical storage of the energy (SOFC, PEMFC, lithium batteries), the robots for nuclear, automotive and aeronautic industries, the mechanical properties and the cracks, the corrosion and physico-chemistry of fluids, the non-destructive testing and the applications and metrology of ionizing radiations. (O.M.)

  1. Activités estivales et automnales

    CERN Multimedia

    Staff Association

    2013-01-01

    Recharger les batteries et bien plus encore…. Les vacances d’été sont l’occasion idéale de passer plus de temps avec sa famille, de découvrir de nouveaux pays, se faire de nouveaux amis, autrement dit de passer du temps loin de la routine quotidienne. Cette recharge de batteries est essentielle à notre équilibre travail-vie privée, et le CERN, employeur moderne et socialement responsable, en a fait un élément central de sa politique de ressources humaines. Néanmoins, n’oublions pas que même si beaucoup d’entre vous profitent d’une pause estivale bien méritée, certains de nos collègues travaillent dur pour faire du LS1 (premier long arrêt du LHC) un succès afin de garantir que le LHC pourra, dès 2015, commencer à produire des données de physiq...

  2. Comprendre le risque routier professionnel par l’analyse de l’activité : l’exemple des conducteurs de travaux Understanding occupational road risk by analyzing the activity: The example of project and site supervisors Comprender el riesgo laboral en carreteras a través del análisis de la actividad. El ejemplo de los conductores de trabajos

    Directory of Open Access Journals (Sweden)

    Justine Forrierre

    2010-05-01

    Full Text Available Cet article présente les résultats d’une recherche portant sur le risque routier professionnel rencontré par des travailleurs dont la conduite n’est pas le métier mais qui se déplacent fréquemment : les conducteurs de travaux de chantiers de travaux publics. En adoptant le point de vue de l’activité, nous montrons que la compréhension et la prévention de ce risque nécessitent de connaître et de comprendre l’activité de travail. En effet, l’activité de conduite est une activité de travail et le risque qui lui est lié est un risque au travail. Pour prévenir ce dernier, il est donc nécessaire de dépasser la simple approche comportementale de l’activité de conduite et de prendre en considération l’ensemble des déterminants de l’activité de travail qui font que le conducteur de travaux se déplace et prend des risques sur la route. Nous retiendrons que les aspects organisationnels (prescription, organisation de la production, politique de ressources humaines, matériel (véhicule, outils de communication et interentreprises (relationnel client affectent l’activité de conduite et que la prévention du risque routier nécessite donc une approche globale (aux niveaux individuel et collectif, dans l’entreprise et avec les entreprises extérieures qui touche à ces différents domaines.This paper presents the results of a study on the occupational road risk of workers for whom driving is not their job but who drive frequently: Public Works site supervisors. Using the activity’s theoretical framework, we show that in order to understand and prevent this risk, the work activity needs to be known and understood. In fact, driving is a work activity and the related risk is an occupational risk. To prevent the latter, it is necessary to go beyond the simple behavioural driving activity approach and consider all the determinants of the work activity that cause the work supervisor to drive and take risks on the road

  3. Study of a method of detection for natural carbon-14 using a liquid scintillator, recent variations in the natural radio-activity due to artificial carbon-14 (1963); Etude d'une methode de detection du carrons 14 naturel, utilisant un scintillateur liquide - variations recentes de l'activite naturelle dues au carbone 14 artificiel (1963)

    Energy Technology Data Exchange (ETDEWEB)

    Leger, C. [Commissariat a l' Energie Atomique, Saclay (France). Centre d' Etudes Nucleaires

    1963-06-15

    Among the various natural isotopes of carbon, a radioactive isotope, carbon-14, is formed by the action of secondary neutrons from cosmic rays on nitrogen in the air. Until 1950, the concentration of this isotope in ordinary carbon underwent weak fluctuations of about 2-3 per cent. The exact measurement of this concentration 6 X 10{sup 12} Ci/gm of carbon, and of its fluctuations, are difficult and in the first part of this report a highly sensitive method is given using a liquid scintillator. Since 1950 this natural activity has shown large fluctuations because of the carbon-14 formed during nuclear explosions, and in the second part, the evolution in France of this specific activity of carbon in the atmosphere and biosphere is examined. In the last part is studied the local increase in carbon activity in the atmosphere around the Saclay site, an increase caused by the carbon-14 given off as C{sup 14}O{sub 2}, by the reactors cooled partially with exterior air. (author) [French] Parmi les differents isotopes naturels du carbone, un isotope radioactif, le carbone 14, est forme par l'action de neutrons secondaires due aux rayons cosmiques sir l'azote de l'air. Jusqu'en 1950, la concentration de cet isotope dans le carbone ordinaire est soumise a des fluctuations de faible amplitude, de l'ordre de 2 a 3 pour cent. Les mesures precises de cette concentration, 6. 10{sup -12} Ci/g de carbone, et de ses fluctuations sont delicates, et dans la premiere partie de ce rapport, on decrit une methode de detection a grande sensibilite utilisant un scintillateur liquide. Depuis 1950, cette activite naturelle subit des fluctuations importantes dues au carbone 14 forme lors des explosions nucleaires, et dans la seconde partie, on examine l'evolution en France de l'activite specifique du carbone de l'atmosphere et ce la biosphere. Dans la derniere partie, on etudie l'accroissement local de l'activite du carbone de l'air aux

  4. Etude de la réactivité hydraulique d’un ciment bélitique synthétisé à basse température par la méthode sèche en utilisant un minéralisateur

    Directory of Open Access Journals (Sweden)

    Mazouzi Wafaa

    2014-04-01

    Full Text Available Pour des raisons écologiques (réduction des émissions de CO2, les ciments bélitiques à faible teneur en alite ont fait l’objet de beaucoup de recherches ces dernières années afin de substituer le clinker Portland ordinaire. Ces recherches ont concernées la production du ciment bélitique à basse temperature et l’amélioration de son activité hydraulique, ainsi que l’étude de la durabilité des matériaux à base de ce ciment. Dans ce travail, le mélange cru des matières premières (calcaire et argile du ciment bélitique a été substitué par un autre mélange composé de poussière de chaux hydraulique des ateliers d’ensachage et de boue de forage des puits de pétrole en Algérie. Le procédé de cuisson par voie sèche en utilisant 2% de sulfate de zinc (ZnSO4 comme minéralisateur a été adopté pour la fabrication de ce ciment bélitique (éco-ciment à basse température (1100°C. L’analyse par diffraction des rayons X (DRX a montré que la phase fortement réactive de la bélite (άL-C2S a été stabilisée, ce qui montre la forte réactivité hydraulique de ce ciment bélitique. Les analyses par DRX, effectuées sur des pâtes du ciment bélitique synthétisé, et les essais physiques (temps de prise et mécaniques sur des pâtes et mortiers, ont confirmé la réactivité hydraulique de ce ciment qui demeure similaire à celle du ciment de type CEM I 42,5.

  5. Analyse de l'activité de recherche d'apprenants de langue dans un prototype de dictionnaire en ligne Analysis of language learners' search activity using an electronic dictionary prototype

    Directory of Open Access Journals (Sweden)

    Marie-Josée Hamel

    2013-04-01

    Full Text Available Partant d'une perspective de recherche d'informations, cet article propose une analyse, par le biais de la capture vidéo d'écran, de l'activité de recherche de mots d'apprenants de langue dans un prototype de dictionnaire en ligne pour accomplir une tâche de production écrite à l'ordinateur portant sur la reformulation de collocations. En se basant sur des paramètres observables à l'écran, il a été possible de mesurer l'efficacité et l'efficience avec lesquelles les apprenants ont accompli cette tâche. Les résultats montrent une tâche réussie avec l'aide du dictionnaire ainsi qu'une variété de parcours empruntés par les participants pour arriver à cette fin. Les quatre profils suivants de chercheurs d'informations dans le dictionnaire ont été dégagés selon la relation entre le score obtenu (la mesure d'efficacité et le temps et les efforts consacrés (la mesure d'efficience : "performants", "acharnés", "vite en affaire" et "en difficulté". Notre réflexion porte sur trois points : l'importance d'anticiper le processus de réalisation de la tâche (autant que sa finalité de sorte à être en mesure de mieux lˈéchafauder ; la distinction à faire (à enseigner ? entre le processus initial de recherche de mots (plus critique et celui de consultation des résultats de recherche (plus souple et moins critique dans le dictionnaire ; enfin, les notions de base à maîtriser en lexicologie (collocation, synonymie. Nous avons mis en évidence la nécessité de combiner les méthodes d'analyse orientées sur le processus.With information retrieval through the use of video screen-capture in mind, this article seeks to present an analysis of language learners' word search activity using an online dictionary prototype while performing a rewording assignment on collocations. Using screen observable parameters, it was possible to measure the effectiveness and efficiency with which learners accomplished this task. The results

  6. Les gestes dans l’activité en situation de travail Gestures in work activities. A brief survey of analysis problems Los gestos en la actividad en situación de trabajo : una aproximación de algunos problemas de análisis

    Directory of Open Access Journals (Sweden)

    Jacques Leplat

    2013-05-01

    Full Text Available La notion de geste est polysémique comme en témoigne la bibliographie considérable qui lui est consacrée. Le présent article limite son domaine aux gestes qui marquent l’activité dans les situations de travail. Il le fait en essayant de dégager quelques thèmes qui ont retenu plus particulièrement l’attention des ergonomes et des psychologues du travail avec l’objectif de montrer la place à réserver aux gestes dans l’analyse des activités auxquelles ils sont liés. Deux fonctionnalités des gestes, expressive et instrumentale, ont été privilégiées. Les différentes formes qu’elles peuvent prendre et le rôle qu’elles jouent dans le développement et la gestion de l’activité sont montrés. D’autres fonctionnalités sont aussi abordées propres à suggérer d’ultérieures recherches. La conclusion insiste sur l’intérêt de relier l’étude du geste à celle de l’activité dans laquelle il s’insère, chacune pouvant éclairer l’autre quand elles sont bien articulées.A gesture is a polysemic notion, as is testified by the considerable bibliography devoted to it. The present paper is limited to the study of gestures that comprise the work activity. Our study attempted to determine which themes in particular have captured the attention of ergonomists and work psychologists, the objective being to show the place that should be reserved for gestures in the analysis of work activities. Two functionalities, expressive and instrumental, are considered here, in particular the different forms they take and roles they play in developing and managing activities. Other functionalities are also briefly discussed with regard to future research avenues. The conclusion emphasizes the interest of relating the study of gestures to that of the activity that comprises them, each one shedding light on the other.La noción de gesto es polisémica como demuestra la considerable bibliografía dedicada al tema. El presente art

  7. Utilisation de l'assistant grammatical Antidote dans le cadre d'activités de révision - Analyse exploratoire de protocoles d'observation Using Antidote in Revision Tasks: An Exploratory Study of Grammar Checker Usage Through Verbal Protocol Analysis

    Directory of Open Access Journals (Sweden)

    Patrick Durel

    2006-06-01

    Full Text Available Cette étude examine les opérations mentales d'apprenants utilisant l'assistant grammatical Antidote en phase de révision de leurs productions écrites. Analysant des données obtenues à partir de la méthode des protocoles verbaux, ce travail montre comment ce type d'activité de révision assistée par ordinateur conduit l'apprenant à manipuler, construire, renforcer ou élargir le champ d'application de ses connaissances, qu'elles soient déclaratives ou procédurales. Les éléments dégagés indiquent que l'utilisation d'Antidote peut être vecteur d'apprentissage et offrent quelques pistes permettant de concevoir des activités de révision assistée par ordinateur qui s'inscrivent dans le cadre d'une didactique de la production scripturale.This study explores learners' cognitive processes when using the grammar assistant software Antidote during the revision phase of their composition. Analysing data obtained using a hybrid form of verbal protocols, it shows how computer-assisted revision activity can lead learners to manipulate, build or reinforce declarative and procedural knowledge. We argue that using grammar assistant software can be conducive to learning. The results of the analysis provide an insight into how such a tool can be integrated into classroom activities, contributing to writing quality and the acquisition of revision strategies.

  8. High-sensitivity gamma spectroscopy for extended sources. Application to activity measurements on the human body, on glass, and on soil; Spectrographie gamma a grande sensibilite pour sources etendues. Application a la mesure de l'activite du corps humain, du verre et du sol

    Energy Technology Data Exchange (ETDEWEB)

    Jouve, B

    1962-07-01

    The measurement and location by gamma spectroscopy of human body internal contaminations at maximum permissible levels, and, in certain cases, at lower activities such as that due to {sup 40}K was investigated. The characteristics of the high-sensitivity apparatus used are given, and several assemblies using large-volume NaI(Tl) scintillators are described. The relatively light shielding required for natural radioactivity permitted construction of mobile assembly. Conditions of use are described, and the results are given. All gamma emitting elements were measured in 15 min at levels lower than the tolerance dose. Gamma spectroscopy was also used to determine fission products in the earth and to study radioactive elements in the presence of other emitters. (author) [French] La spectrographie gamma du corps humain permet la mesure et la localisation des contaminations internes au niveau des doses de tolerance et, dans certains cas, celle d'activites plus faibles comme la radioactivite naturelle due principalement au potassium 40. Les caracteristiques des appareils a grande sensibilite permettant ces mesures sont exposees et on decrit plusieurs realisations originales utilisant un scintillateur NaI(Tl) de grand volume. L'epaisseur du blindage a ete limitee a 5 cm de plomb, ainsi, pour une protection suffisante contre les rayonnements ambiants, les appareils sont relativement legers et l'une des realisations a pu etre installee dans un laboratoire mobile. Les conditions d'utilisation (mouvement propre, etalonnage) et les resultats obtenus sont donnes; tous les radioelements emetteurs gamma sont mesurables en 15 minutes a un niveau inferieur a la dose de tolerance. On presente enfin des applications a la spectrographie gamma d'echantillons volumineux (poudres ou liquides) et de tres faible activite: elles interessent des domaines tres varies comme, par exemple, la geophysique (etude des retombees radioactives) ou l'industrie chimique

  9. Modélisation d'une situation d'apprentissage en termes de connaissances et de règles pour rendre compte de l'activité de l'élève – Étude dans le contexte de l'apprentissage de la lecture en classe Towards modeling pedagogical situations in terms of knowledge and rules, in order to report the learner's activity – A study of reading apprenticeship in classroom settings

    Directory of Open Access Journals (Sweden)

    Catherine Cléder

    2011-05-01

    Full Text Available Dans cet article, nous constatons qu'une activité ne peut pas être définie uniquement par sa forme effective et les connaissances du domaine visé qui sont mises en jeu. Nous proposons de définir une activité par les connaissances du domaine d'apprentissage mises en jeu, par sa forme mais également en ce qu'elle peut influer l'état de connaissance de l'apprenant et les moyens que l'on a de vérifier cet impact. Nous proposons ici nos résultats de recherche pluridisciplinaires menés autour de la spécification et la modélisation d'activités pédagogiques dans le domaine de la lecture dans le but de construire un environnement de suivi de l'apprenant. Nous présentons la méthodologie de travail pratiquée dans l'équipe, la structure des spécifications d'activités, les modèles computationnels déduits et finalement leur mise en œuvre dans un environnement de suivi de l'apprenant.In this article, we note that an activity cannot be only defined by its effective form as well as the targeted subject's learning processes engaged in performing the task. An activity is hereby described as the knowledge of the subject to be learned, in the means of its structure as well as how it can impact student's state of knowledge, and how this influence can be regulated. Results of interdisciplinary research, concerning the specification and modeling of teaching activities for the apprenticeship of reading, are presented here. The results aim at giving more insights on the subject, in order to build an adaptive learning environment that keeps track of student's learning achievements and process. This article is structured in several parts: presentation of the team's research methodology, structure of activity requirements, computational models deduced, and finally their implementation in an adaptive learning environment.

  10. Activit\\'es collectives et instrumentation. \\'Etude de pratiques dans l'enseignement sup\\'erieur

    CERN Document Server

    Michel, Christine; Garrot, Elise

    2009-01-01

    This article presents the results of a study which concerns Instrumented Collective Learning Situations (ICLS) used in higher education and according to different actors's point of view (instructional designer and tutor). Considered actors have been involved in ICLS conception or in their use with students. We determine several forms of ICLS (in terms of scenario, tools, kind of activity) and what educational approaches are adopted by educational actors in their practices. We detail the results of our study, mainly by highlighting the "home-made" approach of the actors, that is based on an opportunist and pragmatic use of available tools in order to fit into the educational contexts.

  11. Spontaneous carotid cavernous sinus fistulas: Correlation between clinical findings and venous drainage; Fistole carotido-cavernose spontanee: Correlazione tra quadri clinici e drenaggio venoso

    Energy Technology Data Exchange (ETDEWEB)

    Calzolari, Ferdinando [Arcispedale S. Anna, Ferrara (Italy). Servizio di Neuroradilogia; Ravalli, Luca [Ferrara, Univ. (Italy). Clinica Oculistica

    1997-04-01

    They reviewed retrospectively 6 cases of spontaneous carotid cavernous fistulas to discuss the differences in clinical findings depending on venous patterns. Orbit US was performed in all patients but one and all patients were examined with CT and intraarterial digital subtraction angiography (DSA). CT was performed to demonstrate possible lesions of the orbit apex or skull base and showed dilation of the superior ophthalmic vein in 4 patients, bilateral in only one case. Moreover, CT detected enlargement of the cavernous sinuses in 4 cases (3 unilateral, one bilateral). Dynamic CT, performed in 2 patients, showed early opacification of both cavernous sinuses. DSA was carried out on the basis of clinical data and US and CT findings. It diagnosed carotid cavernous fistulas in all cases. The fistulas were bilateral in 3 subjects. In all the patients with exophthalmos, conjunctival chemosis and dilated episcleral veins, the superior ophthalmic vein was the main venous drainage from the cavernous sinus. Only 4 of these patients had abduction nerve palsy: bruit was present in 2 cases only. The ocular signs were contralateral to the fistula in one patient. In the patient presenting III, IV and VI nerve palsy, the venous drainage was direct from the cavernous sinus to pericarotid plexus, plexus and inferior petrosal sinus; in this case there were no ocular signs. The clinical findings of spontaneous cavernous fistulas are caused by the arterial supply and by the venous drainage of the fistula: for the early diagnosis and treatment is important to know that some patients do not exhibit the classic triad of symptoms, characterized by pulsating bruit and conjunctival chemosis. Their experience has confirmed that spontaneous carotid cavernous fistulas may be characterized by atypical clinical findings, such as ocular signs contralateral to the fistula side or palsies of cranial nerves only.

  12. La messagerie électronique, principal métronome des activités de cadre Electronic mail as the main metronome of supervisory activities Mensajería electrónica, principal metrónomo de la actividad de los ejecutivos

    Directory of Open Access Journals (Sweden)

    Sophie Bretesché

    2012-12-01

    Full Text Available Cet article met en perspective la façon dont la messagerie concourt à structurer un nouveau rapport au travail chez les cadres. En s’appuyant sur les travaux d’Elias, il s’agit d’étudier la façon dont la messagerie électronique imprime une unité de temps qui structure l’ensemble des activités des cadres et les transforme. L’analyse proposée s’appuie sur une étude de cas qui interroge les transformations des rôles dédiés aux cadres et plus spécifiquement aux cadres de la fonction publique territoriale à travers l’usage du mail. Les résultats mettent en lumière dans un premier temps la façon dont la messagerie structure d’un point de vue temporel les pratiques professionnelles. Celles-ci s’articulent autour de la gestion et de la hiérarchisation continue d’informations reçues sur le mode du flux continu. Ainsi, ce sont des activités de temporation et de synchronisation de l’information qui constituent les nouvelles formes d’exercice de l’activité. En effet, la particularité du travail des cadres au travers de la messagerie est d’intégrer dans une même unité de temps des données au caractère contradictoire. Si l’outil facilite l’intégration en temps réel des multiples niveaux d’activités, il crée paradoxalement une nouvelle forme de dépendance temporelle qui questionne l’autonomie traditionnellement déléguée au cadre.The paper seeks to determine how e-mail helps to restructure supervisory activities. In France, socio-professional categories such as professionals, managers and executives are all classified as supervisors. Based on Elias’ conception of time, the study analyses how e-mail creates time units that structure and transform supervisory activities. A case study involving a local authority is then mobilized to ask questions about how email use has transformed dedicated supervisory roles. Findings reveal that e-mail tends to structure professional practices along

  13. La spectrométrie Raman de résonance résolue dans le temps : une puissante méthode d'investigation en temps réel de la réactivité photochimique Time Resolved Resonance Raman Spectrometry: a Powerful Method for the Real-Time Investigation of Photochemical Reactivity

    Directory of Open Access Journals (Sweden)

    Buntinx G.

    2006-11-01

    Full Text Available La spectroscopie Raman de résonance résolue dans le temps est une technique récente particulièrement bien adaptée à la caractérisation des intermédiaires réactionnels mis en jeu dans les réactions photochimiques (états excités, radicaux, paires d'ions, . . . . Elle permet de visualiser finement les variations de géométrie et de distribution électronique des espèces transitoires tout au long du chemin réactionnel. Nous présentons dans cet article une compilation des résultats obtenus dans notre laboratoire sur des molécules aromatiques dérivées du biphényle. Ces résultats constituent une bonne illustration des potentialités de cette technique à apporter des informations sur la réactivité de cette famille de composés. Après une partie consacrée à la description du dispositif expérimental utilisé dans de telles expériences, nous abordons l'étude structurale par spectrométrie Raman de résonance résolue dans le temps des radicaux cations et des états triplets de dérivés du biphényle. La dernière partie de cet article est consacrée à l'étude de la réactivité photochimique de dérivés de la pyridine (4,4'-bipyridine, 2,2'-bipyridine, 4-phénylpyridine, 2--phénylpyridine dans les solvants organiques par spectrométrie Raman de résonance résolue dans le temps. Time resolved resonance Raman spectroscopy is a recent technique that is particularly well suited for characterizing reaction intermediates involved in photochemical reactions (excited states, radicals, ion pair, etc. . It can finely visualize variations in geometry and electron distribution of transient species along the entire reaction path. This article describes a compilation of the results obtained in our laboratory on aromatic molecules derived from biphenyl. These results are a good illustration of the potentialities of this technique for providing information on the reactivity of this family of compounds. After a section devoted to

  14. Nouvelle approche pour le suivi de la réactivité de phases SiO2 soumises à la Réaction Alcali Silice (RAS New approach for monitoring the reactivity of SiO2 phases subject to Alkali Silica Reaction (SAR

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    Harfouche M.

    2012-09-01

    Full Text Available Nous avons suivi- au moyen de la microscopie électronique à balayage environnementale (MEBE la diffraction X et la spectroscopie d’absorption des rayons X sous rayonnement synchrotron (XANES- la réactivité de certaines phases SiO2 lors du processus de la Réaction Alcali Silice (RAS. Cette réactivité est étroitement liée à la structure locale autour des atomes de silicium ainsi qu’à la présence d’impuretés comme le fer. Dans le cas du silex brut, la raie blanche du seuil K du fer ressemble davantage à celle de Fe3O4 ce qui permet de déduire la présence d’un mélange de Fe2+/Fe3+ dans le silex de départ. Après réaction, l’allure du spectre d’absorption des rayons X au seuil K du fer du silex est conservée avec un léger déplacement de la raie blanche vers les hautes énergies. Cette augmentation montre une prédominance de la valence Fe3+ au détriment de la valence Fe2+. Les résultats montrent que le fer participe à la stabilisation de la structure des phases formées. Cette étude peut être étendue à d’autres éléments traces présents dans la structure du silex de départ. In this study the reactivity of some SiO2 phases under Alkali Silica Reaction (RAS process is followed, using the environmental scanning electron microscopy (ESEM X-ray diffraction and absorption spectroscopy X-ray synchrotron radiation (XANES. This reactivity is closely related to the local structure around the silicon atoms and the presence of impurities such as iron. In the case of flint raw skate white iron K line is more like that of Fe3O4 which allows to deduce the presence of a mixture of Fe2+ / Fe3+ in the flint to start. After reaction, the shape of the spectrum of X-ray absorption K edge of iron in the flint is retained with a slight displacement of the white stripe to high energies. This increase shows a predominance of the valence Fe3+ at the expense of Fe2+ valence. The results show that iron is involved in stabilizing the

  15. La fatigue du patron pêcheur dans l’activité de chalutiers pélagiques : approche d’anthropologie cognitive The captain’s fatigue in the pelagic trawler activity: a cognitive anthropology approach La fatiga del capitan de pesca en la actividad de los pescadores pelágicos : un enfoque de antropologia cognitiva

    Directory of Open Access Journals (Sweden)

    Bastien Sennegon

    2011-05-01

    Full Text Available Nous avons analysé les processus de fatigue à travers l’activité de trois patrons pêcheurs de chalutiers pélagiques.Nous nous sommes focalisés sur la fatigue perçue d’un point de vue psychologique. Le recueil de données s’est effectué en situation naturelle. Notre méthode a combiné l’observation directe et des entretiens compréhensifs. Les rythmes de travail sont la principale cause de fatigue, car les périodes de repos n’autorisent pas une récupération suffisante. Ainsi, nous notons une accumulation de la fatigue d’ordre psychologique tout au long de la saison de pêche. Cette récupération est limitée par les troubles du sommeil observés à bord. De surcroît, l’analyse de l’activité du patron pêcheur révèle une charge de travail conséquente à la source de stress et de risque dans ce contexte de vigilance minorée.We analyzed the dynamics of the fatigue processes through the activity of pelagic trawlers captains.We focussed on perceived fatigue from a psychological point of view. The data were collected in natural situation. Our methodology combined direct observation with non-directive interviews.The work rhythms aboard trawlers (phases of work and rest alternation are the main cause of the captain’s fatigue. The short periods of rest do not authorize a sufficient recovery. Thus, we note a fatigue accumulation throughout the trawling season. In addition, the recovery is restricted by the sleep disorders observed during the embarkations. The analysis of the trawler captain’s activity reveals workload, causing stress, as well as risk-taking in a diminished vigilance context.Analizamos los procesos de fatiga a traves de la actividad de tres capitanes de pesca de los barcos pescadores pelágicos. Nos concentramos sobre la fatiga percibida desde el punto de vista psicológico. La colecta de datos se efectuó en situacion natural. Nuestro método combina la observación directa y entrevistas no dirigidas

  16. Language Tasks and Mobile Technologies: A Paradigm Shift in Designing Task-Based CALL for Young Language Learners / Activités langagières et technologies mobiles : un changement de paradigme dans la conception des tâches en apprentissage des langues

    Directory of Open Access Journals (Sweden)

    Martine Pellerin

    2014-05-01

    Full Text Available This article examines how the use of mobile technologies (iPods and tablets in language classrooms contributes to redesigning task-based approaches for young language learners. The article is based on a collaborative action research (CAR project in Early French Immersion classrooms in the province of Alberta, Canada. The data collection included digital ethnographic observation in the classrooms, students’ artifacts, and interviews with teachers and students. The findings outlined how the use of mobile technologies such as iPods and tablets contributes to redesigning language tasks and activities by helping young learners to create their own learning environment and meaningful language tasks, as well as self-assess and regulate their language learning process. The research also provides evidence of how the use of mobile technologies contributes to redesigning task-based approaches for young language learners that reflect learning principles based on emergent learning theories as well as Vygotskian sociocultural theories in second language acquisition (SLA. Activités langagières et technologies mobiles : un changement de paradigme dans la conception des tâches en apprentissage des langues assisté par ordinateur pour jeunes apprenants Cet article étudie la façon dont l'utilisation des technologies mobiles (iPods et tablettes dans les classes de langue contribue à la refonte des approches basées sur des tâches pour les jeunes apprenants. L'article se fonde sur un projet de collaboration recherche-action (CRA dans les classes initiales d'immersion en français dans la province de l'Alberta, au Canada. La collecte de données comprenait l'observation ethnographique numérique dans les salles de classe, les artefacts des élèves, et des entrevues avec les enseignants et les étudiants. Les résultats ont montré comment l'utilisation des technologies mobiles telles que les iPods et tablettes contribue à la refonte des tâches et des

  17. 重大活动餐饮保障从业人员手卫生管理及手消毒效果研究%Study on hand sanitary control and hand disinfection effect of employees in large so-cial activites

    Institute of Scientific and Technical Information of China (English)

    安代志; 孙如宝; 李宇杰; 贾瑞忠; 王莉莉; 刘雪林; 王强

    2015-01-01

    Objective To study the hand sanitary control and hand disinfection effect of health security employees during large social activites. Methods ATP fluorescence detector was used to evaluate the effect of hand disinfection of employees served in a major conference. Results The hand hygiene pass rate after washing hands with soap and detergent was 100%. But using scented soap or hand sanitizer,even soaking in chlorine disinfectant for 1 minute cannot reach the required pass rate. The results of 2 different ATP fluorescence detectors on the same staff were significantly different. Conclusion Hand washing with soap can reach required standard of hand hygiene. ATP fluorescence detectors from different manufacturers may come out with different results.%目的:研究重大活动卫生保障期间工作人员手卫生管理及手消毒效果。方法采用ATP生物荧光法,对某重大活动卫生保障工作人员手卫生消毒效果进行监测。结果餐饮从业人员用洗衣粉和肥皂洗手后,手卫生质量合格率为100%;用香皂和洗手液洗手后,则手卫生合格率不达标,即使再用含氯消毒液浸泡1 min仍然不达标。两种荧光生物检测仪对同一组人员手卫生检测结果存在明显差别。结论餐饮从业人员用肥皂洗手即可取得良好的洗手效果,但不同厂家生物荧光检测仪检测结果存在差别。

  18. Effect of Ash on Oxygen Carriers for the Application of Chemical Looping Combustion to a High Carbon Char Effet des cendres sur l’activité des porteurs d’oxygène dans la combustion du charbon en boucle chimique

    Directory of Open Access Journals (Sweden)

    Rubel A.

    2011-02-01

    activity of the OCs and both OCs performed well. The results were promising for the application of CLC directly to solid fuels. L’application de la combustion en boucle chimique (CLC aux combustibles solides est actuellement étudiée à l’Université du Kentucky, au Centre de Recherche de l’Energie Appliquée (CAER dans le but de développer un procédé de gazéification/combustion en boucle chimique pressurisé (PCLC/G afin de générer de l’électricité à partir de charbon. Un des principaux aspects de la combustion en boucle chimique de combustibles solides est la compréhension de l’effet des cendres sur la réactivité des porteurs d’oxygène (OCs. L’effet des cendres sur la capacité de transfert d’oxygène et sur l’aptitude à oxyder le charbon est étudié avec deux porteurs d’oxygène à base d’oxydes de fer. Les cendres utilisées sont des cendres volantes provenant d’une centrale thermique au charbon. Les expériences sont réalisées dans un système composé d’une thermo-balance couplée à un spectrographe de masse (TGMS dans lequel on utilise d’abord 500 mg d’un mélange de cendres/porteurs d’oxygène à différentes concentrations de cendres allant jusqu’à 75 %. Le gaz réducteur est composé de 10 % de H2, 15 % de CO, 20 % de CO2 et de 55 % de Ar; et le gaz oxydant est composé de 20 % de O2 dans Ar. Les réactions d’oxydation/réduction sont quasi totales. D’après ces expériences, les cendres ont une activité propre de porteur d’oxygène, liée à la présence de fer dans les cendres, confirmée par les analyses DRX. Cela génère une augmentation du gain ou de la perte de masse du mélange pendant l’oxydation/réduction. Les vitesses d’oxydation/réduction augmentent avec la concentration des cendres à cause de l’augmentation de la porosité du mélange de porteurs d’oxygène avec les cendres, ce qui permet un meilleur accès des gaz réactifs sur les sites actifs des porteurs d’oxygène. Dans un

  19. ATRAGEREA MINORILOR LA ACTIVITATE CRIMINALĂ SAU DETERMINAREA LOR LA SĂVÂRŞIREA UNOR FAPTE IMORALE (art.208 CP RM vs PRINCIPIUL NEADMITERII TRAGERII LA RĂSPUNDERE PENALĂ DE DOUĂ ORI PENTRU UNA ŞI ACEEAŞI FAPTĂ

    Directory of Open Access Journals (Sweden)

    Stanislav COPEŢCHI

    2016-03-01

    Full Text Available În cadrul studiului întreprins este supusă investigaţiei problema privind stabilirea coraportului între principiul nead­mi­terii tragerii la răspundere penală de două sau mai multe ori pentru una şi aceeaşi faptă şi infracţiunea de atragere a minorilor la activitate criminală sau de determinare a lor la săvârşirea unor fapte imorale. Se ajunge la concluzia că nu se încalcă principiul dreptului penal stipulat la alin.(2 art.7 CP RM atunci când făptuitorul este tras la răspundere penală pentru fapta prevăzută la art.208 CP RM, precum şi pentru instigare la infracţiunea concretă comisă de minor, în ipoteza în care persoana adultă instigă la săvârşirea infracţiunii un minor care este pasibil de a fi supus răspunderii penale şi care de sine stătător comite infracţiunea. ATTRACT MINORS IN CRIMINAL ACTIVITY OR THEIR DETERMINATION TO COMMIT IMMORAL ACTS (art.208 PC RM vs. PRINCIPLE OF AVOINDING CRIMINAL RESPONSABILITY TWICE FOR THE SAME FACTWithin the undertaken study it is being investigated the problem on establishing the correlation between the principle of avoiding criminal responsibility for two or more times for the same act and offence of attract minors in criminal activity or their determination to commit immoral acts. It is concluded that is not violated principle of criminal law stipulated in par.(2 Article 7 PC RM when the offender is held to criminal responsibility for the act stipulated in Article 208 PC RM and for instigation to the concrete offense, committed by minor, in the event that adult person instigate to commit an offence a minor, who is liable to be subjected to criminal liability and that alone commit the offence. 

  20. Les activités de gestion d’alerte épidémiologique : les transformations induites par l’utilisation d’un système de surveillance en temps réel Alert Management Activity: Cognitive and team activity modifications due to the use of an early warning system Las actividades de gestión de alerta epidemiológica : las transformaciones inducidas por la utilización de un sistema de vigilancia en tiempo real

    Directory of Open Access Journals (Sweden)

    Charlotte Gaudin

    2012-05-01

    Full Text Available Cet article présente une recherche en psychologie cognitive et ergonomique visant à analyser l’activité de gestion d’une alerte épidémiologique. Gérer une alerte épidémiologique est une activité médicale distribuée et complexe consistant en la gestion d’un environnement dynamique puisque l’épidémie évolue et se propage rapidement si aucune action n’est entreprise pour la contrôler. Plus précisément, deux types de situation sont analysées : (1 l’activité traditionnelle de gestion d’alerte et (2 cette même activité lorsqu’elle est assistée par un système informatique, en l’occurrence le système ASTER (ou Alerte et Surveillance en TEmps Réel. Les résultats obtenus sont ensuite discutés au niveau cognitif et au niveau des activités collectives consécutivement à l’introduction et à l’utilisation d’un système technique.This paper presents a study that investigated the management of epidemiological alerts. Alert management is a complex, distributed medical activity. It can be compared to the largest category of dynamic environment management. Two activities were examined. First, we analyzed traditional alert management activity with the MAD method (observations and interviews. Second, we analyzed and characterized alert management activities when supported by the computerized ASTER system (Alerte et Surveillance en TEmps Réel, alert and monitoring in real time. The second analysis was conducted with EORCA method, which is used to describe collective and complex activities. The results highlight various modifications to both the cognitive activity and team activities which were due to the use of the ASTER system.Este artículo presenta una investigación en psicología cognitiva y ergonómica cuyo objetivo es analizar la actividad de gestión de una alerta epidemiológica. Manejar una alerta epidemiológica es una actividad médica distribuida y compleja que consiste en la gestión de un ambiente

  1. AMETH laboratories network activities; Activites du reseau de Laboratoires AMETH

    Energy Technology Data Exchange (ETDEWEB)

    Marimbordes, T.; Ould El Moctar, A.; Peerhossaini, H. [Nantes Univ., Ecole Polytechnique, UMR CNRS 6607, Lab. de Thermocinetique, 44 (France)] [and others

    2000-07-01

    The AMETH laboratories are a network for the improvement of thermal exchanges for one or two phases. This meeting of the 15 november 2000, dealt with the activities of this network of laboratories in the following topics: thermal-hydrodynamic instabilities and control of the limit layer; transfers with change in the liquid-vapor phase; transfers with change in the solid-liquid phase. Ten papers were presented. (A.L.B.)

  2. Annual report 2007; Rapport d'activite 2007

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    The National Agency for the Radioactive Wastes Management (ANDRA), is public company, with an industrial and commercial status. This document presents the activities of the year 2007. It details the organization, the personnel, the world cooperation, the research programs, the safety, the public information and relation, the financial situation and the different sites. (A.L.B.)

  3. Activity report 2002; Rapport d'activite 2002

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    This annual report presents the Arene (Regional Agency for the Environment and the new Energies in Ile de France) activities. The concerned topics are: the territory development and the local Agenda 21, the education and the awareness to the environment, the employment and the environment, the local and renewable energy, the environmental quality of the buildings, the environmental quality and economic activities, ''clean transports'' and sustainable mobilities, the Arene services. (A.L.B.)

  4. 1996 Activity report; Rapport d`activite 1996

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    The 1996 activity report of the Direction for Waste Management of the CEA, is presented. Its activities have been developed in the framework of the general CEA cleaning plan, and include the management of wastes generated before 1992 in R and D CEA facilities, the disposal of spent fuels generated by research reactors (Orphee and Siloe) or prototype reactors (EL4 at Brennilis), and the dismantling and cleaning of obsolete facilities such as the plutonium radiochemistry building at Fontenay-aux-Roses and the pilot workshop at Marcoule

  5. Progress report 1997; Rapport d`activite 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-12-31

    The vocation of O.P.R.I. is to prevent the risks coming from ionizing radiations and to develop the means necessary to limit their effects. This protection concerns the workers and the population. Its action covers the monitoring of environment, the registering, centralizing and exploiting of dosimetric surveillance of workers. (N.C.)

  6. Activities of the control services; Activites des services du controle

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    This paper summarizes the decennial inspections of French dams carried out by the Regional Direction of Industry, Research and Environment (DRIRE) during the forth quarter of 1996. The paper reports on some important facts (rivers in spate) and administrative instructions (draining preparation, flooding instructions, alarm systems, granting renewing). (J.S.)

  7. Activity report 1998; Rapport d'activites 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The aim of this report is to outline the main developments of the ''Departement des Reacteurs Experimentaux'', (DRE) during the year 1998. DRE is one of the Department of the ''Direction des Reacteurs Nucleaires'', itself depending of the CEA Institution. After a presentation of the year highlights, this report gathers the main research and development programs. The second part concerns the production of radioisotopes, the silicon doping, the neutron radiography, the Orphee experiments and the activation analysis. The installations management, the closed reactors improvement program and the effluents and wastes processing of Grenoble, are presented in the other parts. Data on staff, budget and safety are also provided. (A.L.B.)

  8. Activity report 2001; Rapport annuel d'activite 2001

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    The DED, Department of the Wastes Studies, part of the Direction of the Nuclear Energy of the CEA, regroups knowledge in the domain of the chemistry, the biochemistry, the process measures and simulation engineering applied to the radioactive wastes management. This annual report presents for the year 2001 the missions, the organization, the scientific collaborations, the research programs and the publications of the Department. (A.L.B.)

  9. Report of Activity, 1997; Rapport d'activite, 1997

    Energy Technology Data Exchange (ETDEWEB)

    Lacoste, Andre-Claude; Livolant, Michel [eds.] [Inst. de Protection et de Surete Nucleaire, CEA Centre d' Etudes de Fontenay-aux-Roses, 92 (France)

    1998-07-01

    The Institute of Nuclear Protection and Safety (Institut de Protection et de Surete Nucleaire) - IPSN carries out research and expert studies needed in managing nuclear risk and consequences of nuclear events on population and environment, i.e. supervises the safety of installations, the prevention and study of accidents, the human health and environmental conditions, the safety of transport and has also the task of organizing the management of the crisis situations. IPSN has the mission of informing the public and participates in numerous international actions. Thus, since 1989 IPSN and its German counterpart, GRS, co-operate towards improving of the nuclear safety in Europe and developing a common approach of international issues. As acting for public authorities (government departments in charge with industry, environment, health or labor), IPSN grants technical authorizations on request of DSIN exploiters. The IPSN personnel amounts up to 1300 employees of whom around two thirds are engineers, researchers, physicians, agronomists, and veterinarians. This IPSN annual report contains in the 'Free Tribune' section two general papers entitled: 'The federalist role of research at IPSN' by Catherine Lecompte and 'The dose, a central issue in radioprotection debates' by Annie Sugier. Then five sub-reports follow: 1.The safety of nuclear facilities and radioactive wastes; 2.Crisis management; 3. The management of sensitive materials (protection and control of sensitive materials and safety analysis of the radioactive materials transport); 4.Protection of human health; 5.Environment protection. The report also presents the international activities, the cooperation IPSN/GRS, the budget, the staff and the human resource policy and the communication activity.

  10. CEREM activity report; Rapport d`activite CEREM

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This 1997 issue of the activity report of the CEREM (CEA) gives a general overview of the CEREM organization, activities and human resources with some budgetary information. The main activities described concern the materials fabrication for the nuclear and automotive industries, the powders metallurgy (molding by injection, cold pressing modelling), the simulation of the hot and cold working processes, the surface treatments, the joining (brazed joints, sintering, welding), the electrochemical storage of the energy (fuel cells, lithium accumulators), the corrosion and the physico-chemistry of fluids, the mechanical properties and the cracks, the robots for nuclear units dismantlement, the alteration mechanisms of properties under different solicitations (thermal, mechanical, chemical, irradiation) and the solidification-crystallogenesis. (O.M.)

  11. Activities of the control services; Activites des services du controle

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This paper summarizes the control activities of the technical service of electric power and big dams: annual examinations, administrative instructions (draining, floods, granting renewal), decennial examinations etc. (J.S.)

  12. Activities of the control services; Activites des services du controle

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    This paper summarizes the decennial inspections of French dams carried out by the Regional Direction of Industry, Research and Environment (DRIRE) during the third quarter of 1996. The paper reports on some important facts (earthquakes) and administrative instructions (draining preparation, flooding instructions, alarm systems, granting renewing). (J.S.)

  13. Report of Activity 1997; Rapport d`activite 1997

    Energy Technology Data Exchange (ETDEWEB)

    Menjon, Gerard [ed.] [Direction des Etudes et Recherches, Electricite de France, 1 Avenue de General de Gaulle, F-92141 Clamart cedex (France)

    1998-04-01

    The document is a report of activity of the Direction of Studies and Research of the France`s Electricity Authority (Electricite de France) on 1997. It contains the following six main sections: 1. development; 2. environment; 3. development and managing of production-transport system; 4. production; 5. international relations; 6. future developments. The second section deals with the air and water quality, reduction of energy network impact on environment and the case of renewable energies. The following section is devoted to the research and development problems raised by the management of production-transport system. The section number four reports about the experience obtained in the operation of N4 stage, particularly, in the conception of REP 2000. Also mentioned are progress in the field of virtual reality used in professional formation, robot intervention in case of leaks in reactor vessel, multi-recycling of plutonium in PWR, etc. The fifth section reports about the international collaboration in the field of superconductivity, superconductor cables, combined cycles with integrated gasification of carbon and biomass and energy programs in Morocco and China. Finally, it is mentioned the launching of the Galaxie-server in charge with the documentation management of EDF 66 figs., 1 tab.

  14. Report of Activity - 1997; Rapport d`Activite - 1997

    Energy Technology Data Exchange (ETDEWEB)

    Hammer, Philippe [Direction chargee de la Gestion des Dechets, CEA, 92 - Fontenay-aux-Roses (France)

    1999-11-01

    The Report of Activity on 1997 published by Waste Management Division (Direction chargee de la Gestion des Dechets) of French Atomic Energy Authority (Commissariat a l`Energie Atomique) presents the current activity in the framework of CEA Recovery Plan for Civil Centers initiated in 1991, aiming at managing all the radioactive problems issued from its Research and Development Activities. This plan covers three principal directions: management of radioactive wastes resulting from CEA research activities, reprocessing or storing the spent or un-used fuel resulting from research or prototype reactors, recovery measures and dismantling of nuclear facilities. In the field of radioactive waste management important projects, assuring the waste processing equipment, were developed in 1997 at Saclay (STELLA Installation), Cadarache (AGATE Installation) and Marcoule (ATENA Installation). The Radioactive Waste Storage TFA was put into operation at Cadarache. In the field of out-of-use fuel, in 1997 the fuel reprocessing units CARAMEL and UNGG were finished while as temporary storage for fuels waiting to be processed the CASCAD facility at Cadarache was assigned. Finally, concerning the recovery/dismantling activities, priority was granted to recover: the Radiochemical Lab. at Fontenay, the pilot workshop and UP1 plant of COGEMA at Marcoule, the EL4 reactor (in a joint action with EDF), and the AT1 pilot workshop at Cherbourg. The report is structured on five chapters with the following content: 1. The radioactive wastes; 2. The out-of-use fuels; 3. The dismantling of the definitively stopped installations; 4. The waste management at DAM (Direction des Applications Militaires); 5. Recovery activities at Marcoule 34 figs., 24 tabs.

  15. Activity report 1999; Rapport d'activites 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    The aim of this report is to outline the main developments of the ''Departement des Reacteurs Experimentaux'', (DRE) during the year 1999. DRE is one of the Department of the ''Direction des Reacteurs Nucleaires'', itself depending of the CEA Institution. After a presentation of the year highlights, this report gathers the main research and development programs. The second part concerns the production of radioisotopes, the silicon doping, the neutron radiography, the Orphee experiments and the activation analysis. The installations management, the closed reactors improvement program and the effluents and wastes processing of Grenoble, are presented in the other parts. Data on staff, budget and safety are also provided. (A.L.B.)

  16. Progress Report 1994; Rapport d`activite 1994

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-12-31

    This document is the 1994 annual progress report of the CEA-Direction of Waste Management (DGD). It comprises four chapters. The first chapter is a general presentation of radioactive wastes, of the management of liquid effluents, solid wastes, sealed sources, of the relations with the ANDRA (The French Agency for the Management of Radioactive Wastes), and of the research and development studies in progress for the improvement of waste management. The second chapter concerns the spent fuels and their reprocessing, in particular AGR and PWR type reactor fuels, the ``Caramel`` fuel from Osiris reactor and the cover elements from the Rapsodie reactor core. The long time storage of ancient fuels is also discussed. The third chapter concerns the dismantling of decommissioned installations, the actions in progress and the planning of dismantling actions up to the year 2000. Chapter four is devoted to the management of wastes from the Direction of Military Applications (DAM), the actions in progress in the different DAM centers and the cleansing projects at Marcoule plant. (J.S.). 5 figs., 28 tabs., 21 photos., 3 appendix.

  17. Activity report 2004; Rapport d'activite 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-04-01

    Constituted by a public and commercial establishment, the French National Radioactive Waste Management Agency (ANDRA) is responsible for the long term management of radioactive waste. This activity report presents the three missions of the ANDRA during the year 2004. The industrial mission deals with the Aube center disposal and the Manche center disposal facilities and the collection effort concerning the diffuse nuclear waste. The research mission focuses on the presentation of several topics: the repository design by studying various potential architectures, the reversibility and the safety assessment under operating conditions and the description of the behavior of repository at various space and time scales. The last mission concerns the information and the communication program. (A.L.B.)

  18. Activity report 2000; Rapport d'activite 2000

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This report is divided in four parts; the first concerns the areas covered by the directives 96/29 and 97/43; the second part is relative to the protection of exposed workers; the third part is devoted to the radiation protection of the population and the fourth and final part gives the expertise means and the scientific investment. (N.C.)

  19. Activity report 1998; Rapport d'activite 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The ''Institut de Protection et de Surete Nucleaire'' (IPSN), carries out researches and expert studies needed to manage nuclear risks and their consequences on people and environment. These activities cover the installation safety, the radioactive matter transport, the public health and environmental control, the nuclear matters safety and control and the crisis situation management. The IPSN have got also a mission of public information and participates to international actions in the domain of scientific researches or expert's report. This annual report presents the highlights of the year 1998, information on staff, budgets and geographical situation. Then technical and scientific papers gathers the activities of the year covered by the IPSN: the ''Free Tribune'', installations and radioactive wastes safety, crisis and nuclear matter management, public health and environment control, international cooperation. (A.L.B.)

  20. 2001 activity report; Rapport d'activite 2001

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    Managing radioactive waste for a better control in the future. The Quadrennial State/Andra contract, the double ISO 9001 (quality) and ISO 140001 (environment) certification and three diversified missions: industry, research and information. Those are the highlights of the activity report where the reader will be able to learn more about the Agency's major achievements in 2001. An appendix contains the management report of the Agency.

  1. Progress report 1998; Rapport d'activites 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    The O.P.R.I. is in charge of environmental general surveillance and follow-up of natural exposures; To monitor the nuclear installations, it carries out samples campaigns. The technical follow-up of medical installations concerns it too. The workers radiation protection as well as the public protection are in its attributions. We find in particular, three sanitary studies: about the North Cotentin, (the question of excess of leukemia or not, and due or not to the facility of La hague) Nogent-sur-Marne (the case of a nursery school built on a old factory using radium), and the situation of populations living in French Polynesia, areas that have worried the public with alarmist announcements published in newspapers. All the results relative to the radiations measurements for 1998 appear in this progress report. (N.C.)

  2. Annual report; Rapport d'activite 2004 - 2007

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    This document details the activities, results and achievements of the CSNSM (Center of Nuclear Spectrometry and of Mass Spectrometry) for the 2004 - 2007 period. This document is divided into 8 sections as CNSMS is divided into 8 research groups: 1) nuclear structure, 2) induced fission and exotic nuclei, 3) nuclear astrophysics, 4) atomic masses, 5) solid state astrophysics (micro-meteorites), 6) mass spectrometry through accelerators, 7) solid state physics, and 8) physical and chemical effects of radiations (PCI). An important part of the activities of the CNSMS is linked to the Spiral-2 project that is today's major nuclear program in France. The main contributions are that to the Agata gamma tracking program, to the Desir platform, and to the Super-separator spectrometer S3. In astrophysics, most activities are focused on the understanding of gamma rays emission in the universe and on the enigma of the lithium-6/lithium-7 ratio. In solid state physics, important contributions have been made to the Edelweiss 1 and 2 programs dedicated to the detection of dark matter. PCI activities have focused on crystallo-chemistry of uranium dioxide, and on radiation effects in oxide ceramics, in carbides and in metallic nano-clusters. (A.C.)

  3. Les activités de conservation des lémuriens par le Groupe d’Etude et de Recherche sur les Primates de Madagascar (GERP Conservation activities of lemurs by the Madagascar Primate Research Group (GERP- Groupe d’Etude et de Recherche sur les Primates de Madagascar

    Directory of Open Access Journals (Sweden)

    Rose Marie Randrianarison

    2011-10-01

    Full Text Available Le Groupe d’Etude et de Recherche sur les Primates de Madagascar, une association de conservation, a été créée en 1994 grâce à l’initiative des Enseignants Chercheurs et étudiants du Département de Paléontologie et d’Anthropologie Biologique et du Département de Biologie Animale de l’Université d’Antananarivo. Le GERP regroupe actuellement des membres scientifiques multidisciplinaires Malgaches et étrangers dont la majorité d’entre eux est constituée par des primatologues. Les principales actions du GERP se focalisent sur les travaux de recherche sur les Primates Prosimiens de Madagascar, l’établissement de leur plan de conservation, la découverte de nouvelles espèces de lémuriens, la translocation et le transfert des lémuriens vivant dans des milieux défrichés ou précaires, le suivi et l’abondance des lémuriens ainsi que la révision de leurs aires de distribution. Les résultats des recherches effectuées sur la conservation ont permis de publier des articles dans des revues de renommée nationale et internationale sur la Primatologie. En outre, le renforcement de capacité et l’éducation de la communauté de base, des systèmes éducatifs primaires et supérieurs sur la conservation des lémuriens et l’appui aux activités de développement durable de la population locale s’avèrent nécessaires pour que la conservation des lémuriens soit pérenne.The Madagascar Primate Research Group (GERP - Groupe d’Etude et de Recherche sur les Primates de Madagascar is a conservation-focused association created in 1994 by the initiative of researcher lecturers and students from the Department of Paleontology and Biological Anthropology and the Department of Animal Biology of the University of Antananarivo. The GERP membership consists of multidisciplinary scientists, both Malagasy and foreign, the majority of whom are primatologists. The principle actions of the association are focused on research on the

  4. Transformation du travail, transformation du métier : quels impacts sur la santé des opérateurs et sur l’activité collective ? Transforming work, changing profession: Effects on occupational health Transformación del trabajo, transformación del oficio: impacto sobre la salud de los operadores y sobre la actividad colectiva?

    Directory of Open Access Journals (Sweden)

    Lucie Cuvelier

    2011-05-01

    Full Text Available Cette intervention repose sur le suivi d’un changement organisationnel et technique opéré dans un centre de tri et de distribution du courrier. Elle vise à caractériser l’impact de ce changement sur l’activité et la santé des opérateurs. Plusieurs méthodes (observations, entretiens, diffusion d’un questionnaire ont été mises en œuvre afin d’aborder (ou de comprendre ces mutations et leurs conséquences. Les résultats révèlent que ce changement fut une période de fragilisation de la santé au travail, durant laquelle les formes de réalisation du travail collectif développées auparavant sur le site (qui visaient entre autres des régulations collectives et des entraides ont été remises en cause. Ils ont été saisis par différents acteurs de l’entreprise pour réinterroger la conduite du changement. Les marges de manœuvre et les espaces laissés aux « débats de métier » apparaissent essentiels durant ces périodes de mutations.This research is based on the analysis of an important organizational and technical change carried out in a sorting post office. It aims to characterize the impact of this change on the work activity and on occupational health. Several methods (observations, interviews and questionnaire have been implemented to understand the consequences of this period on the health of operators and on the collective dimensions of work. The results show that this period was a period of instability during which the workers’ health has been affected. They also show that this change has impacted the collective strategies previously developed by operators. Giving space for discussions and leeway to operators during these changes appears to be essential.Esta intervención se basa en el seguimiento de un cambio organizacional y técnico que se llevó a cabo en un centro de clasificación y de distribución de correo. Ella desea caracterizar el impacto de este cambio sobre la actividad y la salud de los

  5. Une activité touristique et de loisir « amphibie » entre espaces de pratiques et territoires de gestion : la plaisance Uma atividade turística e de lazer “anfíbia” entre espaços de práticas e territórios de gestão : o nautismo

    Directory of Open Access Journals (Sweden)

    Ewan Sonnic

    2010-03-01

    Full Text Available À l’ère du tourisme de masse et des loisirs, la plaisance est une expression particulière de territorialité à travers divers équipements sur le trait de côte (ports, marinas, chantiers navals, etc. et des flux tant maritimes que terrestres (itinéraires en mer des plaisanciers entre ports, liaisons domiciles-points d’embarquement, navettes domicile-travail des professionnels de la plaisance, etc.. Ce caractère « amphibie » confère à la plaisance une place atypique parmi les activités touristiques.En France, plus que d’autres loisirs, la plaisance est écartelée entre des espaces vécus, résultant pour l’essentiel des parcours des plaisanciers (bassins de navigation, bassins de croisière, bassins de plaisance…, et des territoires administratifs relevant d’une logique bien différente à terre (collectivités territoriales, subdivisions des affaires maritimes comme en mer (eaux territoriales, zone d’exercice du droit de police.Conformément à bien des espaces vécus, les aires de pratiques de la plaisance sont particulièrement complexes. Outre leur caractère chronique, compte tenu du caractère essentiellement saisonnier de l’activité, ces territoires vont dépendre de la diversité des pratiques plaisancières (pêche-promenade, balade en mer, croisière côtière, croisière hauturière, voile sportive…, des limites conscientes voire inconscientes que se fixe chaque plaisancier, du déterminisme physique (obstacles à la navigation, vents, courants…, de la réglementation en vigueur qui interdit la navigation au-delà d’une certaine distance d’un abri selon les différentes catégories de navires, etc. Pour leur part, les territoires de gestion relèvent d’une logique largement continentale, même en avant du trait de côte. L’inadéquation entre espaces de pratiques et de gestion est telle que plusieurs acteurs (collectivités territoriales, services déconcentrés de l’Etat, bureaux d

  6. Study of the catalytic activity of pure or cerium-containing thoria in the catalytic oxidation of carbon monoxide (1963); Etude de l'activite catalytique de la thorine pure ou contenant du cerium. Dans l'oxydation de l'oxyde de carbone (1963)

    Energy Technology Data Exchange (ETDEWEB)

    Veron, J. [Commissariat a l' Energie Atomique, Saclay (France). Centre d' Etudes Nucleaires

    1963-07-01

    . Les resultats que nous avons obtenus, tant en ce qui concerne la chimisorption des differents gaz que la conductivite de l'adsorbant et la cinetique de la reaction d'oxydation proprement dite, nous semblent constituer un ensemble tres coherent. Rappelons en effet que: 1) L'oxyde de carbone s'adsorbe, alors que l'oxygene ne s'adsorbe pas, sur une surface nue de catalyseur. 2) L'oxygene s'adsorbe sur une couche d'oxyde de carbone prealablement adsorbe, et reagit alors pour donner du gaz carbonique (l'oxygene du reseau ne jouant aucun role). Ce comportement est habituel pour un semi-conducteur p. Nous avons effectivement verifie que tel etait bien le type de semi-conductivite auquel nous avions a faire, et les interactions des gaz et du solide peuvent etre ecrites: (1) CO{sub (g)} {r_reversible} CO{sup +}{sub (a)} + e{sup -} (2) CO{sup +} 1/2 O{sub 2(g)} + 2 e{sup -} {yields} CO{sup -}{sub 2(a)} (3) CO{sup -}{sub 2(a)} {r_reversible} CO{sub 2(g)} + e{sup -} L'equation cinetique ecrite en supposant que l'etape (2) est la plus lente, permet de retrouver correctement les resultats experimentaux qui s'expriment par: dp / dt = k (P{sup 0.3}{sub CO} x P{sup 0.5}{sub O{sub 2}}) / (1+ k' x P{sub CO{sub 2}}) L'influence de l'addition de petites quantites de cerium s'explique egalement de maniere logique a partir de ce schema: il y a en effet a la fois diminution de la conductivity et augmentation de l'activite catalytique, ce qui est caracteristique selon VOLKENSTEIN [52] d'une reaction determinante de type n s'effectuant sur un semi-conducteur de type p. Nous pensons que ces premiers resultats pourraient avantageusement etre etayes par l'etude de la thorine prepares par d'autres voies, et dopee de maniere differente. (auteur)

  7. Nuclear isomerism in fission fragments produced by the spontaneous fission of {sup 252}Cf; Isomerisme nucleaire dans les fragments de fission produits dans la fission spontanee du {sup 252}Cf

    Energy Technology Data Exchange (ETDEWEB)

    Gautherin, C

    1997-09-01

    This thesis is devoted to the study of the nuclear structure of neutron-rich nuclei, via the search of isomeric nuclear states. Neutron-rich nuclei were produced in the spontaneous fission of {sup 252}Cf. The experimental study of isomeric states in these nuclei was performed with the {gamma}-array EUROGAM II, coupled to an additional and original fission fragment detector composed by photovoltaic cells, SAPhIR. The photovoltaic cells are well adapted to detect low energy heavy ions and have good energy and time resolutions to obtain a good fission fragment detection. This experiment led to the discovery of new isomeric states in {sup 135}Xe, {sup 104}Mo, {sup 146,147,148}Ce and {sup 152,154,156}Nd, with lifetimes between 60 ns and 2 {mu}s. Level schemes of these nuclei have been completed. An interpretation of the isomeric states in the nuclei {sup 154,156}Nd and {sup 156,158}Sm was performed by Hartree-Fock-Bogolyubov calculations using the DIS Gogny force with two quasi-particles excitations. The confrontation with the experimental results led to an interpretation of these isomeric states as K-isomers. (author)

  8. 异丙酚对内毒素诱导小鼠RAW264.7巨噬细胞P2X7受活化和IL-1β蛋白合成的影响%Effects of propofol on P2X7 receptor activition and IL-1β production induced by endotoxin in murine RAW264.7 macrophages

    Institute of Scientific and Technical Information of China (English)

    刘红亮; 刘玉华; 戴体俊

    2009-01-01

    目的 探讨异丙酚对内毒素诱导小鼠RAW264.7巨噬细胞P2X7受体活化和IL-1β蛋白合成的影响.方法 RAW264.7巨噬细胞经1 μmol/L亮蓝G(BBG)或1~100 μmol/L异丙酚孵育20 min,随后经1 μg/ml LPS孵育4 h,采用ELISA法测定IL-1β的释放量,采用Western blot法测定胞内IL-1β前体蛋白和成熟体蛋白含量,并计算异丙酚抑制IL-1β释放的半数有效浓度(IC_(50)).采用全细胞膜片钳记录模式,RAW264.7巨噬细胞经1 mmol/L ATP孵育5s,以诱发P2X7受体门控离子通道电流,分别经1~1 000μmol/L异丙酚孵育4 min后记录电流峰值,计算异丙酚抑制P2X7受体门控离子通道电流峰值的IC_(50).结果 异丙酚可抑制LPS诱导的IL-1β的释放,其IC_(50)为(24±3)μmol/L.异丙酚可抑制P2X7受体门控离子通道电流峰值,其IC_(50)为(33±5)μmol/L.LPS可上调胞内IL-1β前体蛋白表达(P<0.01),而3~100μmol/L异丙酚可抑制LPS介导的胞内IL-1β前体蛋白表达上调.结论 异丙酚抑制LPS诱导的小鼠RAW264.7巨噬细胞IL-1β的释放可能与抑制P2X7受体的活化和胞内IL-1β前体蛋白的合成有关.%Objective To investigate the effects of propofol on P2X7 receptor activition and IL-1β production induced by endotoxin in murine RAW264.7 macrophages. Methods RAW264.7 macruphages were treated with LPS (1 μg/ml) for 4 h to induce the production and release of IL-1β, and pretreated with BBG (specific P2X7 receptor antagonist) 1 μmol/L or propofol 1-100 μmol/L for 20 min before LPS stimulation, and IL-1β release was measured using ELISA kit. Whole-cell patch clamp technique was used to record the P2X7-gated currents induced by 1 mmol/L ATP, the cells were exposed to propofol with 1-1 000 -μmol/L for 4 min, and the IC_(50) level of propofol was achieved. Western blot technique was used to measure the production of pro-lL-1β protein and IL-1β protein intracellularly after LPS treatment for 4 h under different concentrations of propofol. Results

  9. L’examen méthodique d’un geste de métier pour une prévention durable des TMS : une intervention en clinique de l’activité Methodological examination of job-related body movements for the sustainable prevention of msds: a clinical intervention on the activity El examen metódico de un gesto de oficio por une prevención durable des LMS : une interpretación en clínica de la actividad

    Directory of Open Access Journals (Sweden)

    Pascal Simonet

    2009-11-01

    Full Text Available L’intervention sur laquelle s’appuie cet article a été initiée par un service de médecine préventive qui souhaite étendre ses actions de prévention durable des TMS. Elle a été conduite selon les principes méthodologiques de la clinique de l’activité dans la perspective d’ouvrir les corps porteurs de douleurs déclarées sur un autre destin que celui de la réalisation de la pathologie. Les observations prolongées et répétées des activités concrètes de travail transforment les sujets observés en observateurs de leur activité. Le cadre des autoconfrontations simples et croisées a pour fonction de soutenir les efforts d’élaboration des professionnels à partir de dialogues entre eux. Les controverses professionnelles qui trouvent parfois à s’y réaliser enrichissent les connaissances et l’expertise de chacun dans le métier. Cet article souhaite interroger les ressorts méthodologiques de la prévention des TMS en posant, notamment, la question du protagoniste de la prévention ou encore celle, associée, de la place du collectif de métier comme ressource potentiellement durable d’une démarche préventive. Dans une telle perspective, les efforts de l’intervenant portent sur les méthodes à engager pour conduire les professionnels à se confronter, dans des cadres appropriés, à d’autres réalisations gestuelles au sein d’un collectif envisagé comme instrument psychologique de développement de leur activité.1The intervention on which this article is based was initiated by a preventive medical department wanting to extend its actions on the sustainable prevention of MSDs. The intervention was based on the activity clinic’s methodological principles from the perspective of people with reported pain having a fate other than that of pathology. Prolonged and repeated observations of the actual work activities change the observed subjects into observers of their activity. The purpose of the context of

  10. Élaboration d’un cadre de référence pour l’étude des stratégies : analyse de l’activité et étude de cas multiples dans deux usines de crabe Development of a frame of reference for studying strategies: Activity analysis and the study of multiple cases in two crab plants Elaboración de un marco de referencia para el estudio de las estrategias : Análisis de la actividad y estudio de casos múltiples en dos plantas de tratamiento del cangrejo

    Directory of Open Access Journals (Sweden)

    Nicole Vézina

    2011-11-01

    Full Text Available L’étude des stratégies mises en œuvre par les travailleurs-euses est partie intégrante de l’analyse de l’activité de travail en ergonomie. Cette étude propose un cadre de référence pour le recueil et l’analyse des stratégies et décrit la nature et les enjeux des stratégies développées par des travailleuses saisonnières de l’industrie de la transformation du crabe aux prises avec des troubles musculo-squelettiques. Reposant sur un devis méthodologique combinant l’approche centrée sur l’analyse de l’activité de travail et celle d’une étude de cas multiples de 16 travailleuses (8 à Terre-Neuve ; 8 au Québec suivies pendant deux années consécutives, divers entretiens et des observations de l’activité et de l’organisation du travail ont été réalisés. Les résultats permettent de constater que les travailleuses élaborent une grande variété de types de stratégies pour gérer leur douleur (19 catégories de stratégies. On constate autant les bienfaits associés à certaines stratégies que les compromis coûteux que représentent d’autres stratégies pour la santé. Le cadre de référence élaboré de manière inductive et ancré empiriquement dans les données recueillies sur le terrain constitue un outil dont pourront disposer les chercheurs et les ergonomes pour l’identification et le classement des stratégies.Study of the strategies used by workers is a central aspect of work activity analysis in ergonomics. This study proposes a conceptual framework for strategy collection and analysis, and describes the nature and issues of the strategies developed by seasonal crab plant workers with musculoskeletal disorders. Based on a methodology combining the ergonomic approach of work activity analysis and a multiple case study of 16 female workers (8 in Newfoundland, 8 in Quebec, interviews and observations of the work activity and organization were conducted for two consecutive years. While

  11. Contraintes organisationnelles et gestion des risques en milieu ouvert : l’activité des monteurs installateurs de structures de fête Organizational constraints and risk management in an open environment: the activity of festival equipment erectors and installers Exigencias organizacionales y gestión del riesgo en lugares abiertos : La actividad de los montadores instaladores de estructuras de fiestas foráneas

    Directory of Open Access Journals (Sweden)

    Valérie Zara-Meylan

    2006-05-01

    Full Text Available Dans cet article, nous analysons l’activité des monteurs installateurs de structures de fête, agents d’une collectivité territoriale dans une grande ville. L’objectif est de mettre en évidence, dans ce type de système ouvert, les contraintes organisationnelles dues à la multiplicité des niveaux de décision et des réseaux d’acteurs ayant chacun leurs objectifs spécifiques. Ces contraintes ont un coût pour les opérateurs, en particulier en ce qui concerne les risques encourus.Après avoir montré les limites de la gestion verticale des risques, les régulations individuelles et collectives mises en place dans les équipes dans le but de gérer les risques sont analysées du point de vue de l’articulation des rôles des anciens et des novices dans le processus d’action, dans plusieurs situations.La méthodologie employée associe à l’analyse in situ des questionnaires et des tableaux de bord. Elle permet de mettre en évidence des situations critiques occasionnées par les interventions de multiples acteurs, en amont des chantiers et sur les sites. Ces intervenants perturbent la gestion horizontale des risques assurée par les anciens, les conduisant à faire des compromis, souvent au détriment de leur santé.In this article, we analyze the work activity of festival equipment erectors and installers in a large city local authority. The purpose is to identify, in this type of open system, the organizational constraints caused by the many decision levels and networks of actors with their own specific objectives. These constraints have a cost for the operators, especially in terms of occupational risks.After showing the limitations of " vertical " risk management, the individual and collective regulations that are implemented in the teams in order to manage the risks are analyzed from the standpoint of the articulation of older workers’ and novices’ roles in the action process, in several situations.The methodology

  12. Report of Activity, 1996 - 1997. Vol. 3. General activities - Technical Research; Rapport d`activite 1996 - 1997. Tome 3. Activites generales - Recherches techniques

    Energy Technology Data Exchange (ETDEWEB)

    Pouthas, Joel; Hutin, Christiane; Niogret Mathias [eds.] [Inst. de Physique Nucleaire, Paris-11 Univ., 91 - Orsay (France)

    1999-11-01

    This is the third tome of the Report of Activity of IPN - Orsay on 1996-1997. It deals with general activities and technical research. Summary reports and short communications are grouped in the following sections: 1 - Accelerators with the sub-divisions 1.1 - R and D on superconducting RF cavities; 1.2 - SPIRAL Project; 1.3 - Contribution to the LHC Project; 1.4 - Tandem; 2 - Targets, Sources and Injectors; 3 - Detectors and related instrumentation; 4 - Electronics; 5 - Data processing; 6 - Radioprotection and medical applications

  13. Ordinateur port\\'e support de r\\'ealit\\'e augment\\'ee pour des activit\\'es de maintenance et de d\\'epannage

    CERN Document Server

    Champalle, Olivier; Chalon, René; Masserey, Guillaume

    2008-01-01

    In this paper we present a case study of use of wearable computer within the framework of activities of maintenance and repairing. Besides the study of configuration of this wearable computer and its peripherals, we show the integration of context, in-situ storage, traceability and regulation in these activities. This case study is in the scope of a huge project called HMTD (Help Me To Do) which aim is to apply MOCOCO (Mobility, COoperation, COntextualisation) and IMERA (Mobile Interaction in the Augmented Real Environment) principles for better use, maintenance and repairing of equipments in the domestic, public and professional situations.

  14. Activités antitumorale et antimétastasique des alkylglycérols naturels : relation structure-activité

    Directory of Open Access Journals (Sweden)

    Deniau Anne-Laure

    2010-07-01

    Full Text Available Oral alkylglycerols (AKG from shark liver oil (SLO have multiple biological activities including immuno-stimulation and anti-tumour properties. In several cell types they are incorporated into phospholipids and therefore they may produce modified messengers and mediators following cellular activation of the phospholipase pathway. Structure of naturally occurring AKG vary depending on length and unsaturation of the alkyl chain. We synthesized six of the major natural constituants of AKG from SLO and tested their anti-tumour and anti-metastasis activities on a model of solid tumour grafted in mice. We found that unsaturated compounds were the most active for reducing tumour volume, lung metastasis number, and splenomegaly. Saturated compounds had weaker, no, or deleterious activities on this model. These data suggest that the selective use of unsaturated natural AKG would improve anti-tumour activities as compared to natural mix of AKG.

  15. IPN - Orsay Report of activity 1998-1999. General activities. Technical Development; IPN - Orsay. Rapport d'activite 1998-1999. Activites generales. Recherches techniques

    Energy Technology Data Exchange (ETDEWEB)

    Pouthas, Joel; Hutin, Christiane; Rivenez, Jean-Philippe [eds.] [Institut de Physique Nucleaire, 91406 Orsay cedex (France)

    2000-01-12

    The main direction of research of the Institute of Nuclear Physics at Orsay was the physics of nuclei far from stability line. The high value of the results obtained is due mainly to development of MUST detectors, LISE3 and SPEG spectrometers and use of large size germanium crystals. Important findings in radioactivity, elastic and inelastic scattering, in transfer reactions (in {sup 11}Be for the first time), Coulomb excitation and use of on-line gamma labelling technique, especially applied to neutron rich nuclei around N=20 and 28, are mentioned. Collaborations to projects like EXOGAM, VAMOS, LISE2000 at GANIL as well as the studies on nuclei around {sup 132}Sn at ISOLDE are reviewed. Very promising appear the results obtained with hot nuclei, produced in heavy ion collisions at 30-200 MeV/n and with the new nuclear species produced in relativistic heavy ion collisions. The studies on hadrons in nuclear matter conducted at CERN LHC and GSI at Darmstadt concerned mainly the quark-gluon plasma. The results on J/{psi} suppression obtained by NA50 collaboration appear to signal this state. The studies on hadron structure with the GRAAL experiment at ESRF opened the domain of strange baryon resonances. This first part of the IPNO Report of activity on 1998-1999 has the following content: 1. Accelerators. 2. Targets, sources and injectors. 3. Detectors and related instrumentation. 4. Electronics and data acquisition. In the first chapter there are presented works on R and D on superconducting RF cavities, the contributions to the LHC and IPHI projects, the status of Tandem accelerator and the activities on techniques associated with accelerators. The second chapter deals with the SELPOM polarized electron source, the CIRIL electron irradiator, the production of neutron rich radioactive atoms at PARRNE 1 and 2, the SILFRA laser ion source and the SIHL stable ion separator, HD polarized targets and TANCREDE project. The chapter three reports studies on the chambers of ALICE dimuon spectrometer and for HADES experiment. Also the progress in developing the equipment for G0 experiment, VAMOS spectrometer, the large surface annular telescope and EUROBALL 4 detector is described. Finally in the chapter four there are reported works on developing a peak sensing ADC, a VXI D size card for EXOGAM,and data acquisition systems. The first volume begins with short reports of activity from the technical and general servicing departments. The second volume of the IPNO Report presents the results of the Research Division.

  16. Activity report 1998-1999; Rapport d'activite 1998-1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    The aim of this report is to outline the main developments of the ''Departement d'Ecophysiologie Vegetale et de Microbiologie'', (DEVM) during the period 1998-1999. DEVM is one of the Department of the CEA Institution. This report presents the activities of the laboratories of the department. Among these laboratories, two laboratories have applications of radiation: the laboratory of vegetal radiobiology and the laboratory of research on food quality. The research programs on radiation effects on living organisms and regulation of food or drug radiation process, respectively for the two laboratories, are discussed. (A.L.B.)

  17. 1998-1999 progress report; Rapport d'activite 1998-1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    This report reviews the activities of the LAPP (laboratory of physics of particles at Annecy-le-Vieux) which is one of the 18 laboratories that constitute IN2P3 (national institute of nuclear physics and physics of particles). Concerning current experiments the last results of Aleph, L3, Babar, Nomad, Wa102 and Na50 are presented. As for future experiments, in the last 2 years more than half the technical staff has been working on Atlas and Cms experiments which are dedicated to the detection of the Higgs boson and the exploration of new ranges of energy. The detection of gravitational waves is an old challenge, the LAPP takes part in the Virgo cooperation by providing the central part of the vacuum chamber, the signal detection system and the calibration system of the giant interferometer that will be in operation in 2002 near Pisa (Italy). The purpose of the Ams experiment is to study the anti-matter component of cosmic radiations. (A.C.)

  18. Activity report of the DPHD 2000; Rapport d'activite du DPHD 2000

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    This report concerns the activities of the department of protection of health for man and dosimetry at I.P.S.N. for the year 2000. It studied and presents dosimetry, the first chapter is relative to external, internal and in case of accident, the second chapter discusses radiobiology and radio-pathology through biological dosimetry, diagnosis and prognosis of radioinduced damages and therapy of radioinduced damage, the third chapter is devoted to evaluation and management of risks with radiation protection, epidemiology and management of risks, the fourth chapter concerns the dosimetric and radio-toxicologic surveillance with the surveillance of internal exposure and the radio-toxicologic surveillance. (N.C.)

  19. ANCLI annual report 2004; ANCLI rapport d'activite 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    The National Association for the Information Local Commissions (ANCLI) was created in september 1999. This association aims to develop an exchange and information network for the information local commissions. In this framework it develops information sheets, Internet site, nuclear centers visits, colloquium and formations organizations. This report presents the annual activities for the year 2004. (A.L.B.)

  20. Progress report 1996-1997; Rapport d`activite 1996-1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This document describes the activities of the DRFC (CEA-France) during the last 2 years. It is divided into 3 parts. In the first part experimental results concerning Tore-supra device are presented involving topics about long discharges, current generating experiments, edge plasma physics with results about the divertor and studies about MHD, turbulence and transport. The second part is dedicated to the daily operations and technological development of Tore-supra. A progress status of the CIEL project is made. The last part is devoted to the research program for the next stage and the long term. This program focuses on 5 fields: superconductive magnets, plasma facing components, negative ion sources, current generation and HF heating, and reactor studies. (A.C.) 61 refs.

  1. Report of Activity, 1996 - 1997; Rapport d`activite 1996 - 1997

    Energy Technology Data Exchange (ETDEWEB)

    Augustin, Jean-Eudes [Inst. de Physique Nucleaire, Lyon-1 Univ., 69 - Villeurbanne (France)

    1998-12-31

    This report covers the activity developed in the Lyon Institute of Nuclear Physics in the years 1996-1997. The INP-Lyon is a mixed research unit, dependent on Lyon 1 Claude Bernard University, on one side, and on CNRS Institute of Nuclear and Particle Physics, on the other side. Its personnel of some 200 fellows is formed up of a half of researchers and undergraduate researchers, the other half being engineers, technicians and administration personnel. The principal activities in INP Lyon are the experimental research in sub-atomic physics as well as the training by research of the master and enrolled towards Ph D students. The main research problems concern the particle physics nuclear matter and the particle astrophysics as well as the works in theoretical physics, radioactive product management and the interactions ions/clusters - matter. The report contains the following chapters: Physics at LEP, Experiment preparation for LHC, Hadronic and Nuclear Matter, Astro-particles, Theoretical Physics, Ions/clusters - matter and physico-chemistry of the ion-matter interaction, Technical activities, Scientific life at INP -Lyon

  2. Progress report 1998 - 1999; Rapport d'activite 1998 - 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    This document reviews the activities of CPPM (center of particle physics in Marseille) for the years 1998 - 1999. The main axis of research are particle physics, elementary components of the matter and their interactions, and astro-particles. The laboratory takes part in international collaborations concerning experiments at CERN, DESY (Hamburg) and Fermilab (Chicago), it also contributes to the design of particle detectors for the large hadron collider (LHC) and for the undersea detection of cosmic neutrinos (Antares). The activities of CPPM have been reported under 8 topics : 1) the Aleph experiment, 2) the Antares project, 3) the Atlas experiment, 4) the Cplear experiment (dedicated to the study of CP, T and CPT symmetries in the system of neutral kaons), 5) the DO experiment (whose aim is to detect supersymmetric particles at the Tevatron), 6) the H1 detector (its main aim is the study of the proton structure at the Hera electron-proton collider), 7) LHCb (it is a second generation experiment dedicated to the study of CP breaking and rare decays in the beauty sector), and 8) Susy, Susy is a working group inside the CNRS, it gathers theoricians and experimenters from different backgrounds, its aim is to study supersymmetry in order to catch a glimpse of the physics beyond the standard model. (A.C.)

  3. Progress report 2000-2001; Rapport d'activite 2000-2001

    Energy Technology Data Exchange (ETDEWEB)

    Albrand, S.; Carbonell, J.; Chauvin, J.; Compara, V.; Crepe-Renaudin, S.; Conto, J.M. de; Favro, C.; Lleres, A.; Merle, E.; Quemener, G.; Renault, C.; Tur, C

    2001-07-01

    This document reports the activities of the ISN (nuclear sciences institute of Grenoble) for the 2 last years 2000, 2001. ISN's teams are involved in 3 research axis: elementary particles and hadrons, astro-particles and new systems for producing nuclear energy. In this document the activities have been classified into 18 topics: 1) the ATLAS experiment (detector for LHC), 2) the D0 experiment (electron identification and b-tagging), 3) the DELPHI experiment (R-parity violation), 4) the AMS experiment (embarked cosmic ray detector), 5) the cosmic microwave background (CMB), 6) the MUNU experiment (magnetic moment of antineutrinos), 7) the EUSO experiment (detection of the extreme energy cosmic rays), 8) 2 parity violation experiments (GO and SAMPLE), 9) the photo-production of mesons on proton (GRAAL), 10) a new isomeric state for Sb{sup 136}, 11) a new shape isomer for Kr{sup 72}, 12) new {mu}s isomers near Sn{sup 132}, 13) laser spectroscopy measurements for very neutron-rich tin isotopes, 14) hybrid demonstrator, 15) hadron-therapy (Etoile project), 16) positron emission tomography, 17) theories and models, and 18) technological work on accelerators and ion sources. (A.C.)

  4. Activity report 1998/1999; Rapport d'activite 1998/1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The aim of this report is to outline the main developments of the ''Departement d'Etudes des Combustibles'' (DEC), during the period 1998-1999: developments in terms of structure, staff, scientific research programs, publications and contracts. DEC is one of the department of the ''Departement des Reacteurs Nucleaires'' (DRN), itself depending of the CEA Institution. This report is divided in three parts. The first part gathers information on staff, budget and management. The part 2 presents the scientific programs in the domains of the nuclear Park competition improvement and renewal, the minor actinides incineration, thermo-mechanical codes and atomic calculations on fuel. The last part is devoted to publications,communication and training. (A.L.B.)

  5. [Geotechnical Board activities and funding]. [Annual] activites report, July 1, 1992--June 30, 1993

    Energy Technology Data Exchange (ETDEWEB)

    Smeallie, P.H.

    1993-07-23

    The Geotechnical Board, a part of the US National Research Council, which is the operating arm of the National Academy of Sciences and the National Academy of Engineering, serves to advise the federal government and others on issues where geotechnology can have an impact, such as environmental remediation and infrastructure development. The board met three times during the reporting period to review current projects and to initiate activities that move the knowledge base of geotechnology forward. The board operates with two long-standing national committees, the US National Committee for Rock Mechanics and the US National Committee on Tunneling Technology. It also conducts special studies at the request of the government. A list of attachments is given.

  6. Water elimination activities in the Walloon region; Les activites de demergement en Wallonie

    Energy Technology Data Exchange (ETDEWEB)

    Robert, I.; Arnould, E. [Comite Wallon de demergement, Liege (Belgium)

    2004-10-01

    As early as 1880, pumping stations have been the responsibility of coal-mining companies and local Councils. After the Meuse river caused a dramatic flooding of the valley in 1926, it was decided to put in place new techniques and methods, and a Water Elimination Committee, consisting of three experts, was created. In association with local organisations (AIDE in the Liege area, Igretec for Charleroi and IDEA in Mons-Borinage), the missions of the Water Elimination Committee were redetermined in 1987 and in 1991, with a legal definition of the water elimination works and the way that they are financed: 83% for the investments and 75% for the work expenses by the Walloon government; the remaining parts being paid by the local Councils. The author gives various examples of works in the concerned areas. In conclusion, even if the situation seems to be under control, as was the case during the last flood in 1993, new studies are required in order to better define the risks and the risk management. For the last 75 years, 500 million euros have been spent and 100 million will be spent in the future, to increase the protection of the concerned areas. It is, however, also necessary to renovate the old installations and this will cost about 600 million euros in the next 60 years, at 10 million euros per year. (authors)

  7. ANCLI annual report 2003; ANCLI rapport d'activite 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    The National Association for the Information Local Commissions (ANCLI) was created in september 1999. This association aims to develop an exchange and information network for the information local commissions. In this framework it develops information sheets, Internet site, nuclear centers visits, colloquium and formations organizations. This report presents the annual activities for the year 2003. (A.L.B.)

  8. Etude phytochimique et activité antioxydante de l’extrait aqueux de Pimpinella anisum L.

    Directory of Open Access Journals (Sweden)

    Amina Bekara

    2016-08-01

    Full Text Available L’étude expérimentale a été réalisée sur l’extrait aqueux lyophilisé des graines d’anis vert. La composition chimique de l’extrait a été analysé par la chromatographie liquide à haute performance et spectroscopie infra Rouge à transformée de Fourier. Les résultats de cette étude montre que l’extrait aqueux renferme une certaine quantité de polyphénols (2,38±0,01 mg équivalent d’acide gallique /g de poids sec de la plante, flavonoïdes (8,06 ± 0,08 mg équivalent de Quercétine / g de poids sec de la plante et tannins (0,40±0,004 mg équivalent d’acide gallique / g de poids sec de la plante avec l’absence d’autres groupes de composés bioactifs tel que les saponins et les stéroïdes. L’anéthole reste le composé majoritaire dans l’extrait aqueux obtenu à partir des graines d’anis vert. L’extrait de cette plante possède un pouvoir antioxydant moyen en comparaison avec les antioxydants de référence.

  9. Activités non agricoles et financement de l'exploitation agricole

    OpenAIRE

    Krebs, Stéphane

    2004-01-01

    La présente thèse entend ainsi contribuer au renouvellement des approches de la pluriactivité en cherchant à mettre en relation les décisions de travail des familles d'agriculteurs et les décisions d'investissement et de financement de leurs exploitations. La prise en compte d'éléments financiers implique de renoncer au cadre d'analyse statique, privilégié dans la plupart des études consacrées à la pluriactivité, au profit d'une approche dynamique, ce qui est rendu possible par la disponibili...

  10. Progress report I.R.S.N. 2002; Rapport d'activite IRSN 2002

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    This progress report is divided in three parts. The first one explains the missions of I.R.S.N. and its organisation. The second part concerns the activities: to protect man and environment, contribution to the safety of installations and transports, to look after the non proliferation, to be a driving force in the international relations, to contribute to the information and training. The third part is relative to the quality and means of the development, to continue the quality objectives, the human resources and social relations, the budget in 2002. (N.C.)

  11. Progress report 1998 - 2000; Rapport d'activite 1998 - 2000

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This document reviews all the activities of the CSNSM (nuclear spectrometry and mass spectrometry center). The activities, developments and particular hits or results are presented within 10 themes: 1) nuclear structure, 2) induced fission and exotic nuclei, 3) atomic mass and basic symmetries, 4) nuclear astrophysics, 5) micro-meteorites, 6) mass spectrometry through an accelerator, 7) solid state physics, 8) superconductivity, 9) physical chemistry aspects of irradiation, and 10) electromagnetic separation of ions.

  12. NOUVEAUX REPERES ET NOUVEAUX ESPACES DU CONTROLE DE GESTION : LE CAS DES ACTIVITES DE SERVICE

    OpenAIRE

    Meyssonnier, Jean-François

    2013-01-01

    International audience; Management control cannot be understood any more only in its traditional financial dimension. A new refunded and enlarged approach, which includes control mechanisms that guarantee the implementation of the company business model at the level of business processes, is necessary. A presentation of this new approach is made in the case of service activities.; Le contrôle de gestion ne peut plus être appréhendé uniquement dans sa dimension financière classique. Une approc...

  13. Report of Activity, 1994 - 1996; Rapport d`activite, 1994 - 1996

    Energy Technology Data Exchange (ETDEWEB)

    Gutbrod, H.H. [Laboratoire de Physique Subatomique et des Technologies Associees - SUBATECH, Centre National de la Recherche Scientifique, 44 - Nantes (France)

    1997-10-01

    SUBATECH (Laboratory of Subatomic Physics and Associated Technologies) has been created in 1994 by three founding fathers, the Ecole des Mines de Nantes, the University of Nantes and the Institute IN2P3/CNRS. The challenging new idea was to house under one roof groups working in fundamental research as well as those working in applied research. During the first year the experimental activities focused on nuclear collisions at lower energies, e.g. reactions mechanism studies with the detector INDRA at GANIL. The laboratory specialized in the analysis of two particle correlations which allows to study the dynamics and the geometry aspects of the reaction mechanism. In the area of subatomic Physics our teams study the collisions of heavy ions at different energies to investigate the multifragmentation of nuclei or to search for the quark gluon plasma. In the area of associated TECHnologies the accent is on the problems related to nuclear waste, from the `treatment of nuclear waste with new method (GEDEON)` or its interaction with bacteria to the research of the chemistry of Tc, Ac-225 and Bi-213 and the program of alpha-immunotherapy on micro-tumors. In the field of fundamental science, in parallel to the work on simulations for the new projects, the Subatech scientists could start work on prototypes for the experiments ALICE at the LHC at CERN (scheduled for the year 2005) and STAR at RHIC at Brookhaven (scheduled for 1999). The experimental groups work closely together with the theory groups of Subatech. The author of the VENUS model works in Subatech. This internationally known model is amongst the most important code capable to describe many of the SPS data. Another theory group works on the analysis of multiparticle correlations in the WA98 data with the wavelet theory. Finally, a third group is currently studying the multifragmentation in the final state at GANIL

  14. Andra 1997 activity report; Rapport d`activite de l`Andra 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    This activity report comprises two parts. The first part describes the missions and activities of the ANDRA (the French agency for the management of radioactive wastes): quality control of wastes produced by EdF, CEA, Cogema and the 1100 other small producers, design, construction and management of storage centres, anticipation and development of new management solutions, research and evaluation studies on deep storage facilities, inventory and control of all radioactive materials present in the French territory. The second part is a presentation of financial data. (J.S.)

  15. Report of activity, 1995 - 1996; Rapport d`activite, 1995 - 1996

    Energy Technology Data Exchange (ETDEWEB)

    Aguer, Pierre [Centre d`Etudes Nucleaires, Bordeaux-1 Univ., 33 Gradignan (France)

    1997-06-01

    This Report of activity displays the work developed at Centre d`Etude Nucleaires de Bordeaux-Gradignan (CENBG) in the period 1995-1996. A number of 68 short progress notes are presented in the fields of Cosmic particles (3), Nuclear Astrophysics (4), High Spins-Large Deformations (8), Basic Interactions (9), Exotic Nuclei (10), Hybrid Systems (4), Theoretical Physics (28), Cellular Microanalysis by means of Nuclear Probes (3) and Technical Development (3). The main problems attacked at CENBG, established as orientations by scientific board of IN2P3 (CENBG is a UMR of Bordeaux-1 Univ. and CNRS-IN2P3) are the following: the research of Majorana/Dirac nature of neutrino (in the framework of NEMO Experiment) in relation with the problem of origin of mass in the Universe and the cosmological puzzle of dark matter, the investigation of the origin of high energy (20 to 200 GeV) cosmic radiation (in the framework of CELESTE Experiment), the study of extreme issues in nuclear structure as high spin states and super deformation (in the framework of DIAMANT and SAPHIRE Experiments) and the study of exotic (far-off-stability-line) high-isospin nuclei, nuclear dynamics and hadron (sub-nucleon degrees of freedom) physics, extensive cosmic showers and the physics of free electron lasers. To these issues one should add two recent activities which will be largely developed in the near future. The first is the physics of hybrid reactors and the nuclear burning (nuclear transmutation) of the radioactive wastes and the second is the application of the Van de Graaff microprobe method in biological investigations. This report is completed by a presentation of the most recent technical developments at CENBG

  16. ANCLI annual report 2002; ANCLI rapport d'activite 2002

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    The National Association for the Information Local Commissions (ANCLI) was created in september 1999. This association aims to develop an exchange and information network for the information local commissions. In this framework it develops information sheets, Internet site, nuclear centers visits, colloquium and formations organizations. This report presents the annual activities for the year 2002. (A.L.B.)

  17. Electrochemically Activited Water: Biophysical and Biological Effects of Anolyte and Catholyte Types of Water

    Directory of Open Access Journals (Sweden)

    Georgi Gluhchev

    2015-03-01

    Full Text Available This article outlines the results on the antimicrobial action of electrochemically activated water solutions (anolyte/catholyte, produced in the anode and cathode chamber of the electrolitic cell. Under laboratory conditions the cell culture and suspensions of classical swine fever (CSF virus were treated with the anolyte. After inoculating them with cell cultures, the viral presence (the presence of viral antigen was measured using the immunoperoxidase technique. It was found that anolyte did not affect the growth of the cell culture PK-15; viral growth during the infection of a cell monolayer with a cell culture virus was affected in the greatest degree by the anolyte in 1:1 dilution and less in other dilutions; whereas the viral growth at the infection of a cell suspension with the CSF virus was affected by the anolyte in dilution 1:1 in the greatest degree, and less by other dilutions; viral growth at the infection with a virus in suspension of the cell monolayer was affected by the anolyte in all dilutions. Unexpectedly, the stronger biocidal effect of the catholyte was observed when a strain of E. coli DH5 was treated by the anolyte and catholyte, respectively. In order to provide additional data about the antiviral activity of the electrochemically activated water and the distribution of H2O molecules according to the energies of hydrogen bonds, the non-equilibrium energy spectrum (NES and differential non-equilibrium energy spectrum (DNES of the anolyte and catholyte were measured.

  18. TIGF Activity Report 2007; TIGF rapport d'activite 2007

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    Total Infrastructure Gaz France (TIGF) provides and develops natural gas transport and storage services on a European scale to meet its customers' needs. It achieves a turnover of almost 300 million Euros and employs some 370 people. Backed by 50 years of expertise, TIGF is a major player in the natural gas market in 15 departements in South-West France. TIGF in figures: 5,000 km of pipelines, 13% of the large scale French transport gas pipeline network, 15% of the national gas volume transit operations, 22% of France's gas storage capacity. This document is the 2007 activity report of TIGF. Content: Message from the Chairman, TIGF, the birth of an ambition, Governance, Management report - overview of the 2007 Financial Year, Market deregulation and development prospects.

  19. Gaz de France 2006 annual report; Gaz de France 2006 rapport d'activite

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    Gaz de France is major European energy utility, which produces, purchases, transports, distributes and sells natural gas, electricity and related services for its residential, corporate and local government customers. Its strategic focuses are to develop an ambitious marketing strategy, pursue a supply and procurement policy that guarantees the Group's competitiveness, confirm its position as a benchmark infrastructure manager, and speed up its profitable growth in Europe. Gaz de France aligns its strategy with a concrete and ambitious sustainable development policy. Its growth model is based on responsiveness to customers and constructive dialogue with its employees and partners. This document is the activity report of the group for the year 2006. It presents: 1 - the corporate profile of the group; 2 - its strategies (energy, energy supply, infrastructures); 3 - its financial highlights; 4 - its governance, shareholders and human resources; 5 - the activities of the group (exploration and production, energy procurement, energy sales, services, transmission France, storage France, LNG terminals, distribution France, transmission and distribution international, research and development); 6 - its 2006 financial data and financial summary.

  20. RTE activity report 2005; RTE rapport d'activite 2005

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    The RTE (electric power transport network) is the french manger of the electric power transport. This activity report provides information on the company results for the year 2005: panorama of the year, management and organization, the place of RTE in the european market, the customers, the industrial tool, the environment the human resources, the international activity and the management report. (A.L.B.)

  1. Calendrier des activités (de juillet 2010 à juillet 2011

    Directory of Open Access Journals (Sweden)

    2010-10-01

    Full Text Available Année 20107-8 septembre Sens– Faïences et majoliques, du xve au début du xviie siècle en France, à partir des découvertes archéologiques : pour un bilan des connaissances. Fabienne Ravoire et Alban Horry9-12 septembreCluny– Cluny, le monachisme et l’émergence d’une société seigneuriale (voir programme Bucema 1330 septembre-1er  octobreDijon-Besançon – Le vocabulaire et la rhétorique des comptabilités médiévales. Modèles, innovations, formalisation. Patrice BeckAnnée 201128 janvierDijon– CBMA...

  2. Progress report 1996 - 1997; Rapport d'activite 1996 - 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    This document reviews all the activities of the ISN (nuclear sciences institute in Grenoble) for 2 years. ISN's teams contribute to many international programs like ATLAS, DELPHI, GRAAL... 43 topics or important results are presented gathered into 6 themes: 1) quarks and leptons - astro-particles, 2) hadron physics, 3) nuclear matter and innovative concepts for nuclear energy, 4) theoretical physics, 5) technology transfer and valorization, and 6) instrumentation.

  3. 1998-1999 progress report; Rapport d'activite 1998-1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    This report presents the activities of the ISNG (Grenoble Nuclear Sciences Institute) for the period 1998-1999. This presentation is made up of 7 chapters: (1) quarks and leptons, (2) neutrinos and astro-particles, (3) hadron physics, (4) hybrid reactors and nuclear matter, (5) theoretical physics, (6) instrumentation and technical services, and (7) formation and published work. In the framework of Muse experiments, a pulsed neutron generator of very high intensity has been built in order to realize the first test hybrid reactor. (A.C.)

  4. Report of activity, July 1993 - June 1995; Rapport d`activite, Juillet 1993 - Juin 1995

    Energy Technology Data Exchange (ETDEWEB)

    Le Brun, C. [Lab. de Physique Corpusculaire, Caen Univ., 14 (France)

    1998-04-01

    This report presents the activity of `Laboratoire de Physique Corpusculaire` of Caen from July 1993 to June 1995. From its inception, at GANIL the nuclear physicists aimed at creating far off-equilibrium nuclear systems in order to obtain a better understanding of their properties as well as of nuclear matter. The first direction of research was the study of the excited nuclear matter i.e. the way in which the energy of heavy ion collisions is deposed in the compound system and nuclear fragments and the corresponding channels of their de-excitation. By means of NAUTILUS data and from comparisons of data with simulations it is now possible to measure life-times (down to 10{sup -22} s), the nuclear flow and the form of fragment emitters. These methods will be extensively used in the analysis of data taken with INDRA, which already has made evident a vaporization threshold. A second direction of research is based on the possibility to produce by fragmentation nuclei with a very anomalous neutron and proton composition. LISE, SISSI, and SPIRAL are used to re-accelerate the exotic or radioactive ions. By utilisation of DEMON the neutron halos of several nuclei has been studied, among which the one-neutron halo in {sup 19}C. The laboratory has participated also in large collaborations (NEMO) which investigated the neutrino nature and its rest mass which are important problems related to the validity of the particle physics standard model and, in turn, to the problem of the dark matter of the universe. A significant effort was attached to the realization of the utilized detectors and associated electronics. A special neutron detector was conceived and certified for COGEMA. The help of other institutions among which IN2P3, an CNRS institute, is acknowledged. There financial support as well as that obtained through ISMRA and the university has permitted the fruitful integration of LPC Caen in large national and international collaborations

  5. Activity report 1994-1998; Rapport d'activite 1994-1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    The emergence of new energy, chemicals and materials markets for agricultural products has created a need for major sustainable research. With this end in mind the scientific interest group AGRICE (AGRiculture for Chemicals and Energy) was created in 1994 by government bodies. This document presents a wide summary of the works in the following activities: the biofuels, the biomaterials and biomolecules, the oil-ester ethanol-ETBE and lignocellulosic processing chains, the environmental and economic evaluation, a financial statement. (A.L.B.)

  6. Progress Report 1994-1995; Rapport d`Activite 1994-1995

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    This first volume of 1994 to 1995 activity report, of Nuclear Physics Institute (Orsay, France) gives a general overview of the research programs conducted in the fields of nuclear structure and quantum mechanics. The main topics are: structure of atomic nuclei, physics of nuclei in excited states, field theory, hadronic physics, quantum mechanics of chaotic systems. (D.L.).

  7. Progress Report 1994-1995; Rapport d`Activite 1994-1995

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    This third volume of 1994 to 1995 activity report, of Nuclear Physics Institute (Orsay, France) gives a general overview of the research programs conducted in the fields of nuclear structure (exotic nuclei, discrete high spin states). Other topics have been studied in high excitation energy states and giant resonances, and in nucleus-nucleus collision and hot nuclei. Other topics deal with radiochemistry, in particular for optical spectroscopy and physico-chemical studies on actinides and trans-actinides. (D.L.). 340 refs.

  8. Report of Activity, 1996-1997-1998; Rapport d'activite 1996-1997-1998

    Energy Technology Data Exchange (ETDEWEB)

    Bizot, J.C. [ed.] [Lab. de l' Accelerateur Lineaire, Paris-11 Univ., 91 - Orsay (France)

    1999-07-01

    This report describes the activity of Linear Accelerator Laboratory at Orsay on 1996, 1997, and 1998. The physics research is focused onto three issues. The first has as objective the precise test of standard model in the sector of gauge boson interactions at LEP (ALEPH, DELPHI) and HERA (H1) and in the sector of matter properties (tau lepton, b quark, CP violation and neutrino mass). The second is a search for high energy new particles, particularly the Higgs boson and the particles predicted by supersymmetry. Finally, there is an astrophysics program aiming at gravitational wave detection and precise measurement of the relic background radiation by gravitational lensing and of high energy photon showers. The LAL plays a foremost role in the construction of the large experiments ATLAS, NEMO, VIRGO (especially mechanics) and BABAR and LHCb (electronics). The computing sector entered a new phase of critical mutations (relating to new tools and languages). Reported are also the LAL contributions to the TTF injector, the test station installed at Hamburg for the future superconductor e{sup +}e{sup -} collider TESLA and the effort in superconductor accelerator R and D of the DAPNIA-IN2P3 French collaboration. An illustration of the LAL efforts for developing applications is the electron beam project ELYSE designed for chemical utilizations, based on the experience with the photon triggered gun CANDELA.

  9. Report of Laboratory Activity, 1996 - 1997; Rapport d`activite du Laboratoire, 1996 - 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This report presents the activity of the Laboratory of Particle Physics and Cosmology of College de France on the years 1996-1997 in the fields of Cosmic Physics, Observational Cosmology, Neutrino Experiments, HELLAZ Project, Instrumentation, DELPHI Experiment, Research of Quark-Gluon Plasma, Research on Dark Matter, Theory, Parallel Processing. Also, are mentioned the activities in computer software, electronics, mechanics, general service, publications, external relations, seminars and collaborations. In the field of Cosmic Physics there are described the current experiments on cosmic gamma rays, the work with AUGER observatory and simulations. In the field of observational cosmology there are mentioned the search for baryonic dark matter and studies on type Ia supernovae. In the field of neutrino studies there are described the searches on neutrino oscillations on a 1 km base, while in the framework of HELLAZ project there is reported the work on solar neutrinos. In the field of instrumentation there are mentioned the work on Hybrid Photon Detector and the contribution of the laboratory to the LHC-B Experiment at CERN and on long-base RICH experiment. In the framework of DELPHI experiment at LEP there are reported investigations on beauty particles, new particles and detector performances. There are given results obtained in the field of Quark-Gluon Plasma studies. There are described the research and development works with the dark matter detectors. In the field of theory there are reported studies on the proton structure, photon-photon collisions, the physics of the excited leptons and studies on neutron stars. Also, in this field there is reported the studies in Quantum Chromodynamics and physics of top quark. In the section devoted to parallel processing there are mentioned the research activities related to actinide burning by accelerators and simulations in nuclear medicine issues, electron channelling in crystals and beam-beam effect in colliders. The report also, presents the activities in the field of computer net infrastructures as well as in electronics

  10. SYNTHESE ET EVALUATION DE L'ACTIVITE BIOLOGIQUE DES ISOSTERES DE PEPTIDES

    OpenAIRE

    MEDJAHED, WASSILA

    2014-01-01

    e sujet de cette thLse est la synthLse de nouvelles structures peptidomimØtiques ? partir des aminoacides , avec comme objectif ultime l'Ølaboration des antagonistes suceptibles d'etre utilisØs en thØrapie anticancØreuse. deux sØries de peptidomimØtiques ont ØtØ synthØtisØes ..........

  11. Report of Activity, 1996 - 1997; Rapport d`activite 1996 - 1997

    Energy Technology Data Exchange (ETDEWEB)

    Chauvin, J. [Inst. des Sciences Nucleaires, Grenoble-1 Univ., 38 (France)

    1997-12-31

    The Institute of Nuclear Sciences in Grenoble is a merged research unit formed of the IN2P3 of CNRS and Joseph Fourier University of Grenoble. Founded in 1960, to foster theoretical and experimental nuclear physics it evolved continuously particularly in 90`s when its activity got concentrated on the main topics of the research fields `Quarks and Leptons`, `Particles and Nuclei in Universe`, `Hadron Physics`, `Nuclear Matter` and `New Systems in Nuclear Power Generation`. In the first field, research on massive right-handed neutrinos and on supersymmetric particles were initiated in 1996-1997. The experiments for measuring the neutrino magnetic moment are now operational and first results are expected in 1998. To study antimatter and dark matter in the Universe a magnetic spectrometer was built and is to be installed on the future international space station. In Hadron Physics first results are reported on the {eta} photoproduction and t{sub 20} experiment at TJNAF, representing important advances in the field of short-range nucleon-nucleon interaction. The work conducted by the fusion-fission group allowed to get new insight in the mechanisms of fusion of asymmetric systems. Also, important results concerning the superdeformed exotic nuclei were obtained by the nuclear structure team. Finally, the ISNG project on `Accelerator-driven sub-critical reactors` has advanced strongly in the last two years, in the framework of TARC experiment at CERN (collaboration RUBBIA) and SARA. The programs MUSE at MASURCA (Cadarache) utilizing the future accelerator GENEPI, simulation of sub-critical configurations and other relating programs recorded also important progress. In the field of theoretical physics few body problems, quarks or nucleons, particularly for A = 4 have recorded original developments, with significant insights on the meson properties in the nuclear environment

  12. Progress report 1996 - 1997; Rapport d'activite 1996 - 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    This report reviews the activities of the laboratory for the years 1996 and 1997. Laboratory's activities are driven by an important international program on particle physics and astro-particles. 9 topics are presented: 1) physics at LHC: the ATLAS experiment, 2) the search for a new physics at LEP : DELPHI experiment, 3) neutrino oscillations: NOMAD and TONIC experiments, 4) the experiments H1 at HERA, 5) CP breaking: BABAR experiment, 6) DO experiment at the Tevatron, 7) gamma radiation sources: CAT experiment, 8) supernova, and 9) the project of the AUGER observatory.

  13. IPSN activity report 1999; Rapport d'activite de l'IPSN 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    The IPSN (Institut de Protection et de Surete Nucleaire) carries out for the Government, studies and inspections on nuclear installations at many life steps (design, realisation, exploitation, shutdown and dismantling). To obtain quality researches, the Institut performs studies in all domains concerned by the safety and its improvement. The main projects of the year 1999, in the following topics are presented: the nuclear installations and the radioactive wastes safety, the crisis and nuclear materials management, the human and the environment protection, the international activities and cooperation, the quality insurance. It provides also information on the cooperation, the budget, the human resource policy and the communication activities. (A.L.B.)

  14. Petroleum industry. 1997 activity report; L`industrie Petroliere. Rapport d`activite 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-05-01

    This activity report from the direction of hydrocarbons of the French general direction of energy and raw materials (ministry of economy, finances and industry) presents an economic analysis of the activities of the French petroleum industry for 1997. After a recall of the missions of the direction of hydrocarbons, the report analyses successively: 1- the evolution of the petroleum market: the international petroleum market in 1997, the hydrocarbon supplies and external trade (natural gas, crude oil, condensates), the French petroleum market (primary energy consumption, final energy consumption, French petroleum consumption, the petroleum logistics in overseas departments and territories), the prices, margins and fiscal policy in France and Europe (crude oil and refined product prices in the international market, retail prices in France and Europe, the French petroleum fiscal policy, statistics of petroleum prices in France and Europe; 2- the petroleum industry activities: exploration and production in France and worldwide, the maritime and domestic transports and the storage (French commercial fleet, domestic transports, storage facilities, strategic stocks), the refining activity and the quality of products and fuel substitutes (refining, automotive fuels quality, bio-fuels), the distribution of petroleum products (automotive and diesel fuels, LPG, aircraft fuels, lubricants); 3- the environmental and safety aspects of refining, transportation (pipelines, tanker-ships) and exploration-production; 4- the economic situation of the companies: petroleum groups, French para-petroleum industry, scientific and technical research. (J.S.)

  15. [Effect of plasmacytoid dendritic cells activited by bacteria on spontaneous remission of leukemia].

    Science.gov (United States)

    Li, Juan; Zhang, Lian-Sheng; Chai, Ye; Zeng, Peng-Yun; Wu, Chong-Yang; Yue, Ling-Ling; Bai, Jun; Hao, Zheng-Dong; Hu, Wan-Li; Chen, Hui-Ling; Guo, Xiao-Jia

    2014-10-01

    Spontaneous remission (SR) of leukemia is a rare event in clinic, which possibly correlated with severe infection and sepsis, but its exact mechanism has not been confirmed. Plasmacytoid dendritic cells (pDC) and myeloid dendritic cells (mDC) play a key role in innate and adaptive immunity respectively. A patient with severe infection of staphylococcus aureus acquired completely spontaneous remission (SR), moreover a increased number of pDC were observed, suggesting that bacteria-activated pDC may play an important role in SR. This study was purposed to explore if the bacteria can stimulate pDC successfully and get a functional pDC. Both pDC and mDC were isolated from freshly collected, leukocyte-rich buffy coats from healthy blood donor and leukemic patient with SR by using MACS and FACS. The pDC were cultured in RPMI 1640 medium and were stimulated with different kinds of bacteria and the expression of CD40, CD86 and HLA-DR on the cell surface was analyzed by flow cytometry. The cytokine (IFN-α, IL-12, IFN-γ, IL-2, IL-4, IL-10) production was measured by using ELISA kits. The results showed that the stimulation with staphylococcus aureus and pseudomonas aeruginosa resulted in the maturation of pDC, which secrete a large number of IFN-α and promote the differentiation of naive CD4⁺ T cells to Th1 cells. The activated pDC expressed high level of CD40 and CD86 and showed higher T cell stimulatory capacities. It is concluded that staphylococcus aureus and pseudomonas aeruginosa can activate pDC, the activated pDC secrete high quantity of IFN-α. This result suggests that bacteria stimulated pDC may play a key role in SR of leukemia following severe infections.

  16. Accueillir du public dans l’entreprise en activité

    OpenAIRE

    Broise, Patrice De La

    2013-01-01

    Du culturel dans l’économique Dans ce numéro d’Etudes de Communication nous avons jusqu’à présent exploré des pratiques culturelles dans le domaine des arts, des industries culturelles et des médias. Patrice de La Broise nous propose maintenant une réflexion originale sur la rencontre entre l’économique et le culturel : l’accueil du public dans des sites industriels. D’où un double changement de perspective. Un premier changement concerne le point de vue du public. Ici, le public vient à l’en...

  17. Antidermatophytic Activites Of Azadirachta Indica : An In Vitro And In Vivo Study

    Directory of Open Access Journals (Sweden)

    Ranganathan S

    1996-01-01

    Full Text Available The leaf and seed extracts of Azadirachta indicia were tested for antifungl activity against dermatophytes by in vitro and vivo tests. The minimum inhibitory concentration (MIC of neem seed extract was found to be lower than that neem leaf when tested against different species of Trichophyton and Epidermophyton floccosum. Experimental lesion in guinea pigs healed better after treatment with neem seed extract when compared to untreated control animals.

  18. A.C.R.O. activity report 2005; ACRO rapport d'activite 2005

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    The A.C.R.O. is an association law 1901 declared at the Calvados prefecture at the date of 14. october 1986 and registered as environment protection. It was created, by more than 900 persons, in the months following the Chernobylsk accident in reaction to a lack of information and means of independent radiation monitoring. The particularity of the association is to own a laboratory of radioactivity analysis. Since the end of the nineties, the concerns include the natural sources of irradiation as the radon and apply to the consequences, out of nuclear industry, of the use of ionizing radiation or radioactive matter. On this last point, the affair of the orphan industrial site Bayard at Saint-Nicolas-d'Aliermont, massively contaminated by radium-226 devoted to the fabrication of alarm clocks, and the appearance of exemption threshold in the European law are elements at the origin of this evolution. (N.C.)

  19. ANDRA. 2003 activity report; ANDRA. Rapport d'activite 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-05-01

    This document includes both the activity report and the management and financial situation report of the French national agency for the management of radioactive wastes (ANDRA). Content: ANDRA's missions: 1 - the industrial mission (short-lived low- and medium-level wastes, a new disposal facility for the very low level wastes, wastes from diffuse nuclear origins); 2 - the research mission (methodology and approach, knowledge gained in 2003, the 2003 experimental program of the Meuse-Haute Marne underground laboratory, the three approaches applied to research, projects for radium- and graphite-bearing wastes, international relations); 3 - information mission (public expectations and specific answers, inventory mission). (J.S.)

  20. Activity report 1995-1998; Rapport d'activites 1995-1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The aim of this report is to outline the scientific activity of the ''Service des Photons Atomes et Molecules'' (DRECAM), during the period 1995-1998: activity in terms of structure, scientific research programs and results, publications, training and contracts. DRECAM is one of the service of the ''Direction des Sciences de la Matiere'' (DSM), itself depending of the CEA Institution. The scientific domains covered by this report are: the excited atoms, multicharged ions - atoms collisions, molecules and aggregates in extreme conditions, covalent structures, new light sources. (A.L.B.)

  1. Annual review 2000-2001; Rapport d'activite 2000-2001

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    This report reviews the activities of the LAPP (particle physics laboratory of Annecy-le-Vieux) for the years 2000-2001. The central themes of research are: 1) the standard model and its extension, 2) the study of CP violation (contribution to the experiments BABAR and LHCb), 3) the search for the Higgs'boson (contribution to the experiments ALEPH, L3, ATLAS and CMS), 4) physics of neutrinos (contribution to the experiments NOMAD and OPERA), 5) the study of anti-matter and cosmic radiation (contribution to the experiment AMS and to the project EUSO embarked on the international spatial station), and 6) the search for gravitational waves (contribution to the experiment VIRGO)

  2. Progress report, July 1999 - June 2001; Rapport d'activite juillet 1999 - juin 2001

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This report presents the different research programs that have been performed in the Laboratory of Corpuscular Physics (LPC). The activities and achievements have been parted under 9 headings: 1) mechanisms of production and decay of hot nuclei; 2) exotic nuclei; 3) production and properties of super-heavy nuclei; 4) theoretical physics; 5) basic interactions; 6) management of radioactive wastes (Gedeon program); 7) technical assistance, engineering, hardware; and 8) teaching and training.

  3. Progress report I.R.S.N. 2003; Rapport d'activite IRSN 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    This report is divided in six chapters. The first one is devoted to the safety of civil installations, transport and radioactive wastes. In this chapter we find the safety of PWR type reactors, the safety of Cabri reactor, ITER tokamak, the storage of radioactive waste and the criticality of packages with actinides. The second chapter concerns the protection of man and environment, we find the radiation monitoring of workers, the medical management of irradiated personnel, the radiation protection of nuclear power plants. The third chapter is relative to the national defense. The fourth chapter tackles the international relations and the part taken by I.R.S.N. in the Europe construction. The fifth chapter gives the contribution to public information, communication and training. The sixth and last chapter explains the quality policy at I.R.S.N. and how the management is made by a quality option. (N.C.)

  4. Activity report june 1998 - may 2000; Rapport d'activite juin 1998 - mai 2000

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    The aim of this report is to outline the scientific activity of the ''Service de Physique Theorique'' (SPhT), during the period june 1998-may 2000: activity in terms of structure, scientific research programs and results, publications, training and contracts. SPhT is one of the service of the ''Direction des Sciences de la Matiere'' (DSM), itself depending of the CEA Institution. The scientific domains covered by this report are: the quantum field theory and mathematical physics (phase transitions, integrable systems, random matrix, gravity and strings, quantum chaos and dynamical systems, correlation and super-correlation); nuclear physics, particle physics and astrophysics (quantum chromodynamics, physic beyond the standard model, the early Universe, from cosmic microwave background anisotropies to galaxies); statistical physics and condensed matter (statistical physics and models, spin glasses, quantum systems, soft condensed matter and biological physics). (A.L.B.)

  5. Powernext 2005 activity assessment; Powernext bilan d'activite 2005

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    Powernext SA is a Multilateral Trading Facility which organizes and warrants the transactions on the European power exchange and CO{sub 2} exchange markets. This activity report presents the highlights of the market and of Powernext in 2005: market conditions (birth of the carbon market, price evolution on the power market), weather-related conditions, electricity production and consumption, situation at the borders, price of fuels, traded volumes at the three markets (Powernext Day-Ahead{sup TM} in the case of day-ahead contracts, Powernext Futures{sup TM} in the case of medium-term contracts, and Powernext Carbon in the case of CO{sub 2}), new active members, liquidity on the power market. (J.S.)

  6. Progress report 1998 - 1999; Rapport d'activite 1998 - 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    This report reviews the activities of the laboratory for the years 1998 and 1999. Laboratory's activities are driven by an important international program on particle physics and astro-particles. 11 topics are presented: 1) physics at LHC: the ATLAS experiment, 2) the search for a new physics at LEP : DELPHI experiment, 3) DIRAC experiment, 4) neutrino oscillations: NOMAD experiment, 5) TONIC experiment, 6) the experiments H1 at HERA, 7) CP breaking: BABAR experiment, 8) DO experiment at the Tevatron, 9) high energy gamma radiation sources: CAT experiment, 10) supernova, and 11) the project of the AUGER observatory.

  7. Activité volcanique dans le golfe de Cadiz : disponibilité bibliographique

    OpenAIRE

    Wulff-Barreiro, Enrique

    2007-01-01

    International audience; An ocean basin hydrocarbon province is emplaced along the Iberian-Moroccan wedge, in the Gulf of Cadiz. Giant seismically-chaotic bodies with thicknesses exceeding 4 km covers an area as great as 90.000 km2 with potential hydrocarbon reserves revealing the Gulf of Mexico, suitable for petroleum storage. In cooperation with Moroccan institutions the Naval Research Laboratory of the United States carried out in 1999 a series of prospecting with the objective of mapping t...

  8. RECREATIONAL TENDENCIES AND THE FACTORS PREVENTING UNIVERSITY STUDENTS PARTICIPATING TO RECREATIONAL ACTIVITES ACCORDING TO GENDER

    Directory of Open Access Journals (Sweden)

    Yaşar ÇORUH

    2014-07-01

    Full Text Available The purpose of the study of university students according to gender; recreational activity participation trends and participation in these events in the factors which may impede the examination of population of the study, Agri Ibrahim Chechen University 2012 - 2013 academic year, students who are studying the sample group the Islamic Sciences Faculty, Faculty of Arts and Education at the Faculty of normal and used in teaching students selected by the random sampling method and volunteered to participate in the research consisted of 490 individuals . Working as a data collection tool "Leisure Barriers" scale is used. Working for the analysis of two independent sample t - test and ANOVA were applied, no significant differences found as a result of these practices in order to determine the source of the Duncan test was performed. The scale used in the study in three of the six factors of the variations observed according to the specified arguments, but this perspective more " time and lack of interest in" the focus has been understood that.

  9. Activity annual report 1998; Rapport annuel d'activite 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The aim of this report is to outline the main developments of the ''Departement d'entreposage et de stockage des dechets'' (DESD), during the year 1998: developments in terms of structure, scientific research programs, publications and contracts. DESD is one of the department of the ''Direction du Cycle du Combustible'' (DCC), itself depending of the CEA Institution. This report is divided in nine chapters which gather results of studies and research programs in the following domains: liquid wastes processing, solid wastes processing, wastes packaging, measures analysis and characterization, long time storage, packages behaviour at long-dated, chemistry and environmental transport of the storage, simulation and environment. (A.L.B.)

  10. 1995-1996 progress report; Rapport d`activite 1995-1996

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-09-01

    This progress report is mainly devoted to the scientific activity of the LLB or carried out in collaboration with external laboratories. The activity of the LLB is split in several chapters dealing with: magnetism, superconductivity, structures (including lattice dynamics), phase transitions, C{sub 60}, quasi-crystal systems, disordered systems (amorphous, liquids, crystal solid solutions), biology, soft matter (polymers and colloids), physical metallurgy and materials science. Neutron scattering is the main tool used in all these topics but other techniques are also used such as: polarized neutron reflectivity, cold neutrons diffraction, NMR, synchrotron radiation etc. (J.S.)

  11. Body Mass Index and Body Fat Status of Men Involved in Sports, Exercise, and Sedentary Activites

    OpenAIRE

    Wan Nudri, Wan Daud; Wan Abdul Manan, Wan Muda; Mohamed Rusli, Abdullah

    2009-01-01

    A cross-sectional study was carried out in Kota Bharu on three groups of men with ages ranging from 18 to 44 years. The study groups included 83 athletes representing various types of sports and levels of participation (athlete group), 80 active men who exercised a minimum of 30 minutes per day at least 3 times per week (exercise group), and 80 inactive men (sedentary group). The objectives of the study were to compare the body mass indices (BMIs) and body fat statuses among the three groups ...

  12. ANDRA, 2006 activity report; ANDRA, Rapport d'activite 2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    The French national agency of radioactive waste management (ANDRA) was marked in 2006 by two outstanding events: the publication of the national inventory of radioactive wastes and valorisable materials, and the vote of the law from June 28, 2006 relative to the sustainable management of radioactive wastes and materials. This road-map law has an impact on ANDRA's activities for the coming years. This activity report presents several 2006 highlights of ANDRA's missions as well: the public service mission, the by-law about the effluents of the Aube plant for the storage of low-medium activity wastes, the building of the first 'double-cell' at the very-low activity waste storage plant of Aube, the research studies about the project of deep underground disposal of high-medium activity, long-living wastes, and the public information about ANDRA's technical and scientific know-how. The management and financial reports are attached in appendix. (J.S.)

  13. Activités chinoises dans le secteur minier en RDC

    DEFF Research Database (Denmark)

    Jansson, Johanna

    This poster presents an overview of the Chinese activities in the Democratic Republic of Congo's (DRC) mining sector. The poster outlines the three main strands of activity and explains the differences between them: 1) activities initiated and led by the Chinese government; 2) private, market-led......-led investment; and 3) trade. The poster is based on findings from the author's field research in the DRC (Kinshasa and Lubumbashi) in 2008 and 2009....

  14. Progress report 2000 / 2001; Rapport d'activite 2000 / 2001

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    The 2000-2001 period has seen many facts of importance for the EURATOM-Cea association. The first outstanding fact is the positive evolution of the ITER project because of both the willingness of the partners and the French proposition to the European Union to consider the Cadarache site as the European site. The second outstanding fact is both the installation on Tore-Supra of a new generation of plasma-facing component: the Ciel project and the launch of the Cimes project whose aim is to allow Tore-Supra to reach discharge up to 1000 s. The third outstanding fact is the continuation of experiments in Jet after 1999, end date of the Jet Joint Undertaking. These new provisions aim at maintaining in activity the spearhead of the European program, waiting for a clarification of the ITER situation. Among the results obtained in Jet operations, we can quote those having a direct influence on the ITER performances: - the beneficial effect of a high triangularity on the ELM (edge localized modes) and on the confinement factor at high density, - the real time control of advanced tokamak discharges at quasi steady state, and the theoretical explanation of the current hole (in lower hybrid advanced scenarios, a region with vanishing current density that appears in the plasma centre). (A.C.)

  15. Activity report CEREM 1998; Rapport d'activite CEREM 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The CEREM (Centre d'Etudes et de Recherches sur les Materiaux) is one of the departments in CEA. The aim of this report is to outline the main developments in the department activities. It si divide din three main chapters. The first one presents the material design and processing, the researches on the energy electrochemical storage and a presentation of the robotic activities. The chapter 2 deals with the material characterization and testing. The last chapter presents the works of simulation on Material Science. The report is completed by some data on the budget and the staff. (A.L.B.)

  16. Activities of the Ameth laboratories network; Activites du reseau de laboratoires Ameth

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    Thermal exchanges are of prime importance in industrial processes, space heating and air conditioning, cooling processes or heat exchangers design. University research laboratories and engineering schools created the Ameth network in order to share their means and competences in heat transfer research, to draw bridges between different subjects and to organize coordinated projects. In 1997 the Ameth laboratories have carried out 10 projects grouped into three themes: the thermal hydrodynamic instability and the limit boundary control, the transfers with liquid/vapor phase change and the transfers with solid/liquid phase changes. These projects and their first results are reported in this book of proceedings. This conference day was jointly organized by the thermal engineering university group (GUT) and the French society of thermal engineers. The ten communications presented in this book deal successively with: `the active control of a Poiseuille flow in the presence of volume heating`; `the control of instabilities, transition and thermo-convective flow transfers in cavities: application to the ventilation of rooms`; `the control of heat transfers during space-time flow disturbances in cylindrical channels`; `the characterization of surface heat transfers using transient methods improved for boiling in pool applications`; `the intensification of heat exchanges during boiling in confined medium`; `the evaporation and boiling in porous media`; `the characterization of heat transfers in micro-heat pipes`; `the AmETh 3-1 operation: experimental and numerical analysis of thermal resistances at the polymer-mould contact and developing during solidification`; `the analysis of solidification phenomena at the interface between a substrate and a melted medium`; and `the heat transfers with solid-liquid phase change`. (J.S.)

  17. CEREM Report of Activity, 1998; Rapport d'activite CEREM, 1998

    Energy Technology Data Exchange (ETDEWEB)

    Mathiot, Alain [ed.] [CEA Centre d' Etudes et de Recherches sur les Materiaux, CEREM, 17, rue des Martyrs, 38054 Grenoble Cedex (France)

    1999-07-01

    Like in previous years the present report is not a comprehensive display of all the scientific results obtained but a selection of 'significant facts' recorded in the different sectors of CEREM activity. The goal is to show how the expectations of the partners from both CEA and industrial community are satisfied. The CEREM R and D activity in the field of materials and robotics is mainly oriented toward the nuclear domain. The following directions of activity were pursued: 1. Development of numerous materials and technological procedures for future reactors; 2. Testing, damage study and modelling for current reactors; 3. Works on the environmental compliance of the materials especially with the December 1991 low regarding the nuclear waste management; 4.Developing robots devoted to nuclear installations dismounting; 5. Safety of current and future reactors. In addition, many other industrial domains are targeted for the applicable studies developed at CEREM, among which: - the renewable energy sources, particularly batteries and fuel cells; - materials for automobile and aeronautics industries; - advanced materials with high wear and tear resistance developed by surface treatment. The experience acquired in these fields was helpful in modelling, developing and implementing various materials assembling.

  18. Activity report 1993-1994; Rapport d`activite 1993-1994

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-05-01

    This reports presents the Leon Brillouin Laboratory (LLB) activity during 1993-1994. Concerning the physico-chemical and biological systems, polymers are still a main field of the LLB. New ideas and experiments appeared also in the field water, ionic solids, polyelectrolyte and biologicals systems. Concerning structures and phase transitions, activity in the field of crystalline structures has been reinforced. Disordered systems, metallurgy and material fields were also developed. Concerning magnetism and superconductivity, important results were obtained. (TEC). 159 refs., 241 figs., 29 tabs.

  19. Progress report 1999-2000; Rapport d'activite 1999-2000

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    This document presents the activities of the CENBG for the 1999 and 2000 years. The activities are arranged into 7 topics: 1) astro-particles, 2) high spins and big deformations, 3) fundamental interactions, 4) exotic nuclei, 5) the down end of the nuclear fuel cycle and ADS (accelerator driven system), 6) theoretical physics and 7) at the interface between physics and biology. Among a lot of achievements relevant to INIS we can note: -) the investigation of 2 new modes of decay: the bound internal conversion and the Pauli forbidden bound internal conversion, -) the progress made on the Nemo-3 experiment whose purpose is the possibility of detecting the neutrinoless double beta decay from the kinematics specificities of the 2 electrons released, -) the first observation of the doubly-magic nucleus Ni{sup 48}, -) the beta delayed proton and gamma -ray spectroscopy of Mg{sup 21} and Si{sup 25} nuclei, -) the identification of the fundamental state of Li{sup 10}, -) the measurement of the masses of nuclei close to N = Z line in the region A = 80, -) the measurement of the beta decay of Ga{sup 62} (T = 116 ms), and concerning ADS technology: -) the neutron capture cross-section of Th{sup 232} has been measured in the energy range from 60 keV to 2 MeV, -) the determination of neutron induced fission cross-section of Pa{sup 233} in the fast neutron energy range from 0.5 to 10 MeV, and -) the measurement of isotopic distributions for all residual elements from Ti to Pb produced in the reaction 1 A.GeV Pb{sup 208} on proton. (A.C.)

  20. La responsabilité objective du fati des activités dangereuses

    Directory of Open Access Journals (Sweden)

    Francisco Ternera-Barrios

    2010-03-01

    Full Text Available En este estudio de derecho extranjero, el autor realiza un análisis profundo de las decisiones del Consejo Constitucional Francés en materia de responsabilidad civil, y las incidencias que dichas decisiones han tenido o podrán llegar a tener en la evolución del régimen  de  responsabilidad  civil  en Francia. Este artículo de derecho francés pone de manifiesto que el fenómeno de la "constitucionalización del derecho" se presenta en todo el mundo, incluso en países de alta tradición legalista, como es el caso de  Francia, y nos da herramientas para  tratar  de analizar, desde  otra perspectiva, las implicaciones que ha tenido este mismo fenómeno en el derecho colombiano, en donde no nos ha resultado ajeno y, por el contrario,  se ha venido  acentuando  desde  hace  poco  más de una década.

  1. Insecticidal and Repellent Activit ies of Laurinterol from the Okinawan Red Alga Laurencia nidifica

    Directory of Open Access Journals (Sweden)

    Takahiro Ishii

    2017-01-01

    Full Text Available An ethyl acetate (EtOAc extract of Laurencia nidifica was found to have toxic effect against brine shrimp larvae (Artemia salina. Bioassay-guided fractionation of the EtOAc extract resulted in the isolation of four known halogenated sesquiterpenes, laurinterol (1, isolaurinterol (2, aplysin (3, and a -bromocuparene (4. Their structures were established on the basis of spectral analysis and comparison with literature data. Among isolated compounds, only laurinterol showed strong toxicity against A. salina. Further experiments revealed that laurinterol also exhibited repellent activity against the maize weevil Sitophilus zeamais , insecticidal activity against the termite Reticulitermes speratus, and acetylcholinesterase (AChE inhibitory effect . This is the first report of insecticidal and repellent activities of laurinterol.

  2. 1996 GRAMME activity report; Compte-rendu annuel des activites du GRAMME 1996

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This note draws a balance of the activities made at CEA-DEM within the frame of GRAMME collaboration. Results in six interest fields are presented: solidification, Mephisto program, transport phenomena, isothermal diffusion, rhenium alloys and instrumentation. (A.C.)

  3. Activity report SPP 1997-1998; Rapport d'activite SPP 1997-1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-05-01

    In this paper are found technical and scientific papers on the main works of the Department of Astrophysics, Particles physic, Nuclear physic and Associated Instrumentation (DAPNIA) of the CEA. The presented fields are: the research programs; positron and electron collisions; proton-proton and proton-antiproton collisions; electron-proton collisions; CP invariance; neutrino and black matter. (A.L.B.)

  4. ONERA. 1997 scientific and technical activities; ONERA. Activites scientifiques et techniques 1997

    Energy Technology Data Exchange (ETDEWEB)

    Vuillot, F.; Lupoglazoff, N.; Dupays, J.; Basset, Th.; Daniel, E. [Universite de Provence, 13 - Marseille (France); Devincre, B.; Veyssiere, P.; Kubin, L.; Saada, G. [ONERA, CNRS,LEM (France); Hertl, M.; Dorval, N.; Jolly, J. [ONERA-CNRS, Laboratoire Plasmas Reactifs en Interactions avec les Materiaux (France); Thierry, G.; Guillen, Ph.; Prieur, J.; Lewy, S.; Nastasi, V.; Lerat, A.; Sides, J.; Gely, D.; Chanetz, B.; Pot, T.; Jacquin, L.; Geffroy, P.; Merienne, M.C.; Mebarki, Y.; Reijasse, P.; Corbel, B.; Reijasse, P.; Murer, Y.; Millan, P.; Pauzin, S.; Reulet, P.; Coustols, E.; Sauvage, Ph.; Bissieres, D.; Estivalezes, J.L.; Lavergne, G.; Casalis, G.; Troff, B.; Thivet, F.; Moschetta, J.M.; Deniau, H.; Grondin, G.; Grenon, R.; Bettschart, N.; Gardarein, P.; Moens, F.; Costes, M.; Gaveriaux, R.; Flodrops, J.P.; Paquet, J.B.; Leplat, M.; Sgarzi, O.; Zamuner, B.; Moreau, P.; Collin, G.; Magre, P.; Duterque, J.; Hommel, J.; Masson, C.; Forconi, H.; Fradin, C.; Roehle, I.; Hervat, P.; Soucail, M.; Octor, H.; Marty, M.; Dorvaux, J.M.; Lavigne, O.; Mevrel, R.; Poulain, M.; Lapasset, G.; Morel, A.; Naka, S.; Sanchez, C.; Thomas, M.; Krapez, J.C.; Lepoutre, F.; Balageas, D.; Chaboche, J.L.; Jung, O.; Deletombe, E.; Malherbe, B.; Ousset, Y.; Sudre, O.; Parlier, M.; Guichet, B.; Bretheau, T.; Kruch, S.; Vassel, A.; Boust, F.; Flavin, E.; Petot, D.; Rapin, M.; Morvan, A.; Lebihan, D.; Petitjean, B.; Leconte, P.; Grisval, J.P.; Sauvignet, C.; Johan, Z.; Loiseau, A.; Lesturgie, M.; Martineau, P.; Titin-Schnaider, C.; Vieillard, G.; Dreuillet, P.; Castelli, J.C.; Lacour, D.; Ferriere, X.; Bonnet, P.; Gobin, V.; Alliot, J.C.; Grisch, F.; Labrune, L.; Larigaldie, S.; Ory, M.; Lalande, P.; Bondiou-Clegerie, A.; Kayser, P.; Deyrac, F.; Le Traon, O.; Besson, C.; Serrot, G.; Bodilis, M.; Duffaut, J.; Conan, J.M.; Mugnier, L.; Michau, V.; Fusco, T.; Madec, P.Y.; Rousset, G.; Simoneau, P.; Barillot, Ph.; Dolfi, A.; Robineau, J.; Mugnier, L.; Cassaing, F.; Rousset, G.; and others

    1997-12-31

    The ONERA is the first French research office in the aerospace domain. This annual report summarizes the main research studies carried out by the different ONERA departments in 1997 in the domains of fluid mechanics and energetics (numerical simulation, aero-acoustics, aerodynamics, propellants, propulsion systems), materials and structures (metals and processes, solid mechanics, material testing, composite materials and systems, structure dynamics, microstructures), physics (space environment, electromagnetism and radars, physical measurements, optics), data processing and systems, and technical means. (J.S.)

  5. Report of Activity, July 1995 - June 1997; Rapport d`activite Juillet 1995 - Juin 1997

    Energy Technology Data Exchange (ETDEWEB)

    Tamain, B. [Lab. de Physique Corpusculaire, Caen Univ., 14 (France)

    1997-12-31

    The LPC (Laboratoire de Physique Corpusculaire) dedicated the major part of its 50 years activity to the Physics of Heavy Ions research conducted at GANIL. The activity in last two years on which this report is focused refers to this domain. Of special priority was the topics of hot and /or compressed nuclear matter aiming at understanding the physics of multifragmentation.The new ionization chambers INDRA and development of control programming required special efforts. A second direction of activity was the study of exotic nuclei particularly of halo nuclei. Specific equipment like the multi-detectors of DEMON and TAPS were designed for approaching the hot nuclei. Projects based on SPIRAL beams and collaborations dedicated to investigation of different new branches of exotic radioactivity ({beta}, xn: TONNERRE project) or mechanisms of induced fusion by radioactive nuclei to produce superheavy nuclei are reported on. The LPC was implied also in two important research programs, PRACEN and GEDEON (treatment of radioactive wastes) which made clear the evolution of research for the next two years: the correct understanding of the mechanisms of light particle production in neutron induced collisions at 20 to 200 MeV. In the frame of NEMO Collaboration that approaches topics related to the weak interactions the Laboratory has developed and tested the trigger system of NEMO3. A program utilizing ion trapping on SPIRAL for efficient studies on {beta}-neutrino angular correlations in superallowed decays will be thus feasible. Contracts like COGEMA and DAMRI oriented toward applied research are also mentioned

  6. Les compétences dans l’activité et leur analyse

    Directory of Open Access Journals (Sweden)

    Jacques Leplat

    2008-01-01

    Full Text Available Skills won an important place in work situations analysis. They can be observed in different situations which must be acknowledged in order to avoid misunderstandings when they are used. They are looked from an ergonomic psychology perspective. After observing some facts related to skills evolution in work psychology and ergonomics, we examin their relationship with the activity with the task, the technique and the action, highlighting the interest for taking into account their development. Some research trends are necessary in the analysis and common skills. The conclusion highlights the importance of correlating the skills analysis with the activity and tasks analysis.

  7. Report of activity july 1997 - june 1999; Rapport d'activite juillet 1997 - juin 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    This report describes the activity of the laboratory of corpuscular physics between july 1997 and june 1999. The first parts present scientific results in the scope of: exotic nuclei properties, production and de-excitation of hot nuclei, theoretical and phenomenological physics, fundamental interactions and nuclear wastes processing. The last parts present the technical resources, the teaching, the number and titles of publications and a list of the laboratory members. (A.L.B.)

  8. Progress report 2003 - coal; Rapport d'activite 2003 - charbon

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    This report presents the activities of the Group ''Charbonnages de France'' in 2003. The administration council is detailed in the new structure and organization. It concerns also the end of the industrial activities, the social policy, the mine sites remediation, the industrialization of mine regions, the financial results and key data. (A.L.B.)

  9. Progress report 2001-2002; Rapport d'activite 2001-2002

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    The document reviews the activities of the linear accelerator laboratory (LAL) for the years 2001 and 2002. Most part of these activities are active collaborations in international programs. Some experimental programs like Aleph (apparatus for Lep physics) and Delphi (detector with lepton, photon, and hadron identification) at the Lep (CERN) or Na48 (search for direct violation of the CP invariance) have entered their last stage. Others like H1 (electron-positron experiment at Hera), Babar (measurement of CP violation in the B{sup 0}B-bar{sup 0} system) at Slac (Stanford), or D0 (search for new particles at the Tevatron) at Fermilab, are fully operating and this document describes the contribution of the LAL for each of them. The preparation of experiments for the future LHC has represented the core of LAL's technical activities. This document reviews these activities and achievements for the Atlas (air toroid LHC apparatus system) and LHCB (large hadron collider beauty) experiments. The LAL is also involved in the definition of the future high energy linear electron-positron collider (FLC). The LAL contributes to some experiments of neutrino physics through Nemo (violation of the lepton charge) and Opera (neutrino oscillations) experiments and to various astro-particles experiments such as Eros (micro-lensing effect), Archeops and Planck (cosmology), Virgo (gravitation waves) and Auger (very high energy particles showers). Another important part of LAL's activities is teaching activity mainly inside the curriculum of Paris-sud university. (A.C.)

  10. Progress report 1998 - 1999; Rapport d'activite 1998 - 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    This report reviews all the activities of the IPNL (institute of nuclear physics in Lyon) for the years 1998 and 1999. In particle physics, IPNL's research program aims to give a thorough understanding of standard model, of its super-symmetric extension and of the search for Higgs'boson. In astro-particle physics, IPNL contributes to several international collaboration such as Edelweiss (on black matter), Virgo (on gravitational waves) and Opera (on neutrino oscillations). The study of nuclear matter has always been promoted at IPNL, these 2 years have been promising through the discovery with the NA50 experiment of a new state of the matter probably a plasma of quarks and gluons whose special characteristic is the vanishing of J/{psi}. The 45 topics presented in this document have been divided into 9 themes: 1) quarks and leptons, 2) astro-particles, 3) high density of hadron matter, 4) nuclear matter, 5) theoretical physics, 6) multi-field research, 7) technical support, 8) training, communication and information, and 9) scientific production. (A.C.)

  11. Quelques éléments de l'activité de la Caisse en 2005

    CERN Multimedia

    2006-01-01

    The english version of the article will be available next week Composition du Conseil d'administration (au 31 décembre 2005) Membres J. Bezemer (Suppléant : J.-P. Ruder)E. Chiaveri (Suppléant : T. Lagrange)R. Fischer (Suppléant : K. Banse)J. Lahaye (Suppléant : vacant)P. Levaux (Suppléant : F. Bello)J.-P. Matheys (Suppléante : F. Ranjard)S. Myers (Suppléant : F. Sonnemann)A.J. Naudi (Suppléant : P. Geeraert)I. Seis (Suppléant : G. de la Fuente)M. Vitasse (Suppléant : G. Deroma) Observateur des bénéficiaires J.-F. Barthélemy (Suppléant : F. Wittgenstein) Nommés par Conseil du CERNDirecteur général du CERNDirecteur général de l'ESOélu par les membres de la Caisse Conseil du CERNélu par les membres de la Caisseélu par les membres de la CaisseDirecteur général du CERNélue par les membres de la Caisse Association du personnel du CERN Conseil d'administration en accord avec l'Association du personnel Bureau de la présidence Membres J. Bezemer, Président nommé par le...

  12. QUELQUES ELEMENTS DE L’ACTIVITE DE LA CAISSE EN 2006

    CERN Multimedia

    2007-01-01

    The complete translation of the article will be available next week.Composition du Conseil d’administration (au 31 décembre 2006) Membres Nommés par E. Chiaveri (suppléant : T. Lagrange) Directeur général du CERN D. Duret (suppléant : G. Deroma) Association du personnel du CERN F. Ferrini (suppléant : D.-O. Riska) Conseil du CERN R. Fischer (suppléant : K. Banse) Directeur général de l’ESO C. Hauviller (suppléant : G. de la Fuente) élu par les membres de la Caisse J. Lahaye (suppléant : P. Martel) élu par les membres de la Caisse P. Levaux (suppléant : F. Bello) Conseil du CERN J.-P. Matheys (suppléante : F. Ranjard) élu par les membres de la Caisse S. Myers (suppléant : F. Sonnemann) élu par les membres de la Caisse A.J. Naudi (suppléant : P. Geeraert) Directeur général du CERN Observateur des ...

  13. Antioxidant activites of Xanthosoma sagittifolium Schott using various in vitro assay models

    Institute of Scientific and Technical Information of China (English)

    Antony Nishanthini; Veerabahu Ramasamy Mohan

    2012-01-01

    Objective: To evaluate the total phenolic, flavonoid contents and in vitro antioxidant activity of methanol extract of Xanthosoma sagittifolium corm. Methods: Total phenolic content was estimated using the Folin Ciocalteu method. The flavonoid content was determined using aluminium chloride. In vitro antioxidant activities were evaluated by studying DPPH radical scavenging activity, hydroxyl radical scavenging activity, superoxide radical scavenging activity, ABTS radical cation scavenging activity and reducing power capacity were determined using standard procedure. Results:Xanthosoma sagittifolium corm exhibited 0.32g100g-1 total phenolic; 0.26g100g-1 flavonoid and better scavenging activity of DPPH (78.22±0.56%), hydroxyl radical (69.11±0.21%), superoxide radical (83.27±0.08%) and ABTS radical cations(76.11±0.07%).Conclusions: The present studies confirm the methanol extracts have potential in vitro antioxidant activity.

  14. Monooxygenase activitity in Aedes aegypti population in Tembalang subdistrict, Semarang city

    Directory of Open Access Journals (Sweden)

    Dyah Widiastuti

    2015-06-01

    Full Text Available Dengue Haemorrhagic Fever (DHF is a major health problem in Tembalang sub district, Semarang City. Fogging with insecticide applications was done frequently as an effort to control Dengue vectors. The use of insecticides from the same class in a long time can lead to resistance in mosquitos’ population. The research aimed to observe the activity of monooxygenases in Aedes aegypti populations in Tembalang Subdistrict, Semarang. The study was conducted during February-November 2014 with a cross-sectional design in 10 villages in Tembalang Subdistirict, Semarang City. Field strains of Ae. aegypti eggs were collected using ovitraps. The collected eggs were grown under standard condition to adult mosquitoes. Mosquitos’ homogenate were stored at -85C and used for biochemical assays. The results showed there was increased monooxygenases activity in Ae. aegypti populations. Resistance to synthetic pyrethroid insecticide in Ae. aegypti mosquitoes population in Tembalang Subdistrict might be caused by the mechanism of detoxification enzymes in particular monooxygenases

  15. Scientific report 1996-1997; Rapport d`activite 1996-1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-12-31

    A general introduction gives a summary of the present scientific program of the SPEC and presents some of the recent highlights, the organization, the recent evolution and the relationship of the laboratory with the CEA and the scientific community. Most of the information on the organization is gathered at the end of the report in a section called `Facts and Figures`. The central part consists in 20 chapters which can be divided in 4 subsets corresponding to the contributions of the four laboratories of the SPEC. In front of each of these subsets, an inset gives a summary of the respective contributions. The distribution is as follows: Chapter 1 - 4: Soft matter, interfaces and turbulence. Chapter 5 - 11: Solid state and novel materials. Chapter 12 - 16 : Quantum condensed matter. Chapter 17 - 20: Condensed matter theory. The headings of each chapter list the physicists, technicians, PhD students as well as the visitors and main collaborators which have taken part in the corresponding activities. In most cases, graduate students were involved in some of the work during their training period. Their names can be found in the section Facts and Figures (subsection Teaching and Training). The Index lists all the contributors and gives the page numbers at which their names appear. (authors)

  16. IPSN activity report 1999; Rapport d'activite de l'IPSN 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    The ''Institut de Protection et de Surete Nucleaire'' (IPSN), carries out researches and expert studies needed to manage nuclear risks and their consequences on people and environment. These activities cover the installation safety, the radioactive matter transport, the public health and environmental control, the nuclear matters safety and control and the crisis situation management. The IPSN have got also a mission of public information and participates to international actions in the domain of scientific researches or expert's report. This annual report presents the highlights of the year 1999, information on staff, budgets and geographical situation. Then technical and scientific papers gathers the activities of the year covered by the IPSN: the ''Free Tribune'', installations and radioactive wastes safety, crisis and nuclear matter management, public health and environment control, international cooperation. (A.L.B.)

  17. Activities of the control services. First quarter 1997; Activites des services du controle. Premier trimestre 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This paper summarizes the control activities of the technical service of electric power and big dams: annual examinations, administrative instructions (draining, floods, granting renewal), decennial examinations etc. (J.S.)

  18. Progress Report 1994-1995; Rapport d`Activite 1994-1995

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    This second volume of 1994 to 1995 activity report, of Nuclear Physics Institute (Orsay, France) gives a general overview of the research programs conducted in the fields of accelerators, detectors, multi channel data acquisition systems. The main topics are: tandem electrons accelerators, beam shaping, targets, control electronics, strip detection chambers, data acquisition electronics, and data acquisition software. (D.L.).

  19. Report of Activity, 1996 - 1997. Vol.2; Rapport d`activite 1996 - 1997. Vol.2

    Energy Technology Data Exchange (ETDEWEB)

    Ouvry, Stephane [Inst. de Physique Nucleaire, Paris-11 Univ., 91 - Orsay (France)

    1999-10-01

    This report covers the activity developed in the Division of Theoretical Physics of the Orsay Institute of Nuclear Physics during 1996-1997. Summary reports and short communications are grouped in the following sections: 1. Statistical Physics (37 papers); 2. Nuclear Physics (22 papers); 3. Field and Particles (25 papers); 4. Mathematical Physics (3 papers). The report is completed with a list of publications, seminars, conferences, as well as external/internal reports, lectures and theses. In the field of nuclear physics the research has been focussed on superdeformed nuclei, high spin states, far-off-stability nuclei, high excitation energy levels and nuclear matter thermodynamics. These subjects were often associated to the experimental research developed in the frame of large experimental programs as EUROGAM, SPIRAL, EDEN, INDRA, etc in which IN2P3 is currently participating. In the field of Field Theory and Particle Physics the studies were related to non-perturbative aspects of the quantum field theory, on one side and to quantum chromodynamics, through the phenomenological analyses of the hadron structure and interactions, on the other side

  20. Activity report june 1996 - may 1998; Rapport d'activite juin 1996 - mai 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The aim of this report is to outline the scientific activity of the ''Service de Physique Theorique'' (SPhT), during the period june 1996-may 1998: activity in terms of structure, scientific research programs and results, publications, training and contracts. SPhT is one of the service of the ''Direction des Sciences de la Matiere'' (DSM), itself depending of the CEA Institution. The scientific domains covered by this report are: the statistical physics (phase transition, biophysics, soft matter, quantum systems); mathematical physics and fields theory (strings theory, random matrix, quantum theory); astrophysics, nuclear physics and particles physics. (A.L.B.)

  1. Progress report 1998/1999; Rapport d'activite 1998/1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    Among the significant technological achievements of 1998-99, we will note in particular the manufacture of a lower hybrid antenna. This has large size and is shielded from the plasma by side protection incorporating the same technology that is used in the limiter of the CIEL project. This antenna was tested successfully in the autumn 1999; its capacity is 4 MW steady state. Substantial progress was achieved in testing the 118 GHz gyrotrons that are intended to deliver 400 kW with a pulse length of 210 seconds. Pulses lasting some 15.5 seconds were obtained on load during the summer 1999 and were limited only by the performance of the load and by out-gassing. At these pulse lengths, the parameters of the tube are already quasi-stationary. The tests will begin again in the Spring of 2000 with a more suitable load. The very first tests on plasma took place in the Autumn of 1999 showing a strong absorption of the waves by the plasma. Work in the field of the high frequency heating systems focused on problems of local power deposition close to the antenna. This problem is exacerbated, both at the lower hybrid and at the ion cyclotron frequencies, by the need to carry out long pulse discharges. Modelling the localised effects that have been observed contributes to the evolution of the design of both types of antenna and holds out the prospect of fully-validated solutions for the 'next step'. Using the technology developed for the CIEL project in the field of the high heat flux components also made it possible to implement side protections for the antennas that can withstand the temperature rise related to these local effects. Studies in various modes of heating or current drive were continued, in order to explore the corresponding scenarios but also to make progress in modelling the phenomena of wave propagation and absorption. In the field of ion cyclotron waves, the implementation of {sup 3}He minority heating made it possible to identify the conversion of the fast wave into a Bernstein wave. The scenario of coupling the fast wave to the electrons was also studied from the point of view of scenarios relevant to the conditions of the 'CIEL' project. In the field of the lower hybrid waves, we will note in particular the use of the hard X-ray cameras to observe the spatial and energy distribution of the fast electrons, coupled with the observation of the electron cyclotron radiation. This made it possible to carry out fine observations related to the absorption of the hybrid waves. In particular, the reality of the transition to the LHEP mode and the improvement of confinement which it represents, were clearly established. The DRFC carried out a certain number of studies relating to confinement in various modes of plasma. A good confinement mode was obtained with high density and ion cyclotron minority heating. This mode, which brings to mind certain aspects of the 'Enhanced Radiation' mode, developed by the physicists of TEXTOR, has performance equivalent to the 'Elmy-H' mode, foreseen as the basis for ITER. An active programme of research is underway to elucidate the reasons for this good confinement. In particular, the respective roles played by magnetic shear and rotational shear in the stabilisation of turbulence are being studied. (author)

  2. Long-lived high and intermediate level radioactive wastes: defining the context, stakes and perspectives; Dechets radioactifs de haute activite et de moyenne activite a vie longue: situer le contexte, les enjeux et les perspectives

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    The French law from December 30, 1991 has defined an ambitious 15 years program of researches in order to explore the different possible paths for the long-term management of long-lived high and intermediate level radioactive wastes. The law foresees also that at the end of the 15 years research program, a project of law will be prepared by the French government and transmitted to the European parliament in 2006. A public debate has been organized and emceed in 2005 in order dialogue with the general public and to gather its questions, remarks and fears. In the framework of their contribution to this debate, the ministries of industry and environment have prepared this document which answers some key questions about radioactive waste management: where do wastes come from, what are the risks, how are they managed today in France and in foreign countries, what are the results of the researches carried out during 15 years, what are the advantages and drawbacks of each waste management solution considered, what is the perspective of application of each solution, what is the position of experts, what will be the decision process. This synthetic document supplies some reference marks to better understand these different points. Some pedagogical files about radioactivity, fuel cycle, and nuclear industry activities are attached to the document. (J.S.)

  3. SCREENING DES ACTIVITES ANTIOXYDANTE, ANTIBACTERIENNE ET ANTIFONGIQUE DE L’HUILE ESSENTIELLE EXTRAITE DU ZESTE DE PAMPLEMOUSSE (Citrus paradisi

    Directory of Open Access Journals (Sweden)

    H. M.Arohalassi

    2015-11-01

    Full Text Available The aim of this research is to assess in vitro antioxidant, antibacterial and antifungal activities of essential oil extracted from grapefruit peel (Citrus paradisi. Extraction has been made by water distillation. Antioxidant activity was obtained by using DPPH and β-carotene blanching. Results showed a high antioxidant activity (48.81% relatively to E vitamin (47.21% when antibacterial and antifungal activities have been made by disc diffusion method, results showed some inhibition activity of essential oil of grapefruit (Citrus paradise on some micro-organism.

  4. French butane propane committee. 2003 activity report; Comite Francais du Butane et du Propane. Rapport d'activite 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-05-01

    This activity report presents the 2003 status of the actions carried out by the French butane and propane committee (CFBP) for the development of the liquefied petroleum gas (LPG) industry in France. While the past year has seen the butane, propane and LPG-fuel sales following the decay started 4 years ago, in 2004 the CFBP has reinforced its actions of public information about the LPG energy choice and has carried out several projects in order to improve the safety of LPG tanks and storage facilities, one of the first concern of LPG industry. (J.S.)

  5. French butane propane committee. 2004 activity report; Comite francais du butane et du propane. Rapport d'activite 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    This activity report presents the French butane-propane committee (CFBP), an association for the promotion of liquefied petroleum gases (LPG), the characteristics of LPG fuels, the LPG market and its evolution, the CFBP's missions and the 2004 highlights: representation of subscribing companies, participation to standardization works, making techniques and regulations change, improving the safety of equipments and installations, training and information, promoting LPG products. (J.S.)

  6. French butane propane committee. 2003 activity report; Comite francais du butane et du propane. Rapport d'activite 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    This activity report presents the French butane-propane committee (CFBP), an association for the promotion of liquefied petroleum gases (LPG), the characteristics of LPG fuels, the LPG market and its evolution, the CFBP's missions and the 2003 highlights: representation of subscribing companies, participation to standardization works, making techniques and regulations change, improving the safety of equipments and installations, training and information, promoting LPG products. (J.S.)

  7. Exploration and production activities and market - Panorama 2008; Activites et marches en exploration-production - Panorama 2008

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    Following two banner years for the oil service and supply sector, marked by strong activity and a substantial increase in prices, the Exploration and Production market continued at a frenetic pace in 2007, although certain local markets retreated. In 2008, activity should stay high and prices should start stabilizing. With services in short supply, companies in the sector have been able to shift the balance of power with oil firms in their favor.

  8. L'enseignement-aprentissage du vocabulaire en classe de F/LE: proposition d'activités

    OpenAIRE

    Pérez Gil, Diego

    2014-01-01

    A lo largo del TFM se exponen diferentes concepciones del aprendizaje y del tratamiento del vocabulario en clase de francés lengua extranjera en las diversas tendencias o métodos de enseñanza. Seguidamente, se presenta un análisis de diferentes libros de francés para ver el tratamiento que recibe el vocabulario. Finalmente, los datos obtenidos en los dos puntos anteriores han sido tenidos en cuenta para la proposición de actividades que trabajan el vocabulario en clase de F/LE.

  9. Activité biologique des huiles essentielles extraites de trois plantes aromatiques sur la mite tineola bisselliella (Lepidoptera, tineidae)

    OpenAIRE

    BOUCHIKHI TANI, Zoheir; KHELIL, Momamed Anouar; BENDAHOU, Mourad

    2012-01-01

    Les huiles essentielles extraites par hydrodistillation de trois plantes aromatiques de l'ouest algérientrachyspermum ammi (apiacées) 3ème Congrés internationale franco-maghrebin de Zoologie et d'ichtyologie - Marrakech 2012

  10. Complement to the 1999-2000 progress report; Complement au rapport d'activite 1999-2000

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    Among a lot of achievements relevant to INIS we can note: -) the status of the work on GLAST (gamma-ray large area space telescope) and on the Celeste telescope; -) the study of the energy and angular distributions of the fast outgoing electron beam produced in the interaction of a laser beam with a thin plastic foil and a gas jet; -) the investigation of the excitation of the 76 eV energy level of U{sup 235} by a YAG laser radiation; -) the feasibility study of a dating method of wines based on the gamma spectroscopy of specific rays of K{sup 40} and Cs{sup 137}; -) the study of nuclei beyond the proton drip line by determining the missing mass spectrum from complete kinematics measurements of the reaction products; -) the beta decay half-lives of proton-rich Kr{sup 78} fragments have been determined for all nuclei between Z = 27 and 36; -) a beta decay scheme is proposed for P{sup 26} and S{sup 27} including beta delayed one and two proton emission and gamma ray spectroscopy; -) the observation of the 2-proton emission decay of the Fe{sup 45} fundamental state; -) the measurement of the radiative capture cross-section of I{sup 129}; -) the measurement of the fission cross-section of U{sup 233} induced by fast neutrons; -) the investigation of intermediate mass fragments observed in coincidence with 2 correlated fission fragments following incomplete fusion in C{sup 12} + Th{sup 232} at E/A = 16 and 22 MeV; and -) the status of the single ion irradiation system used for the irradiation of biological samples. (A.C.)

  11. A.C.R.O. activity report 1999; A.C.R.O. rapport d'activite scientifique 1999

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    The work of this association is cut according to 6 axes. Three publications: radiological quality of marine and continental waters of the Normandy coast (synthesis 1997 and 1998); preliminary study of the iodine 129 distribution in the environment of the reprocessing plant of La Hague with terrestrial moss (Homalotecium sericeum); radiological surveillance of the aquatic environment of the nuclear facilities on the area of La Hague (1997 and 1998). The second axis concerns the radiation protection with a campaign of radon measures in a school of the Vire rural district (june 1999). The third part is devoted to the radioecology with the surveillance of radioactivity in the aquatic continental environment of nuclear facilities and the radioecological surveillance (1999) of the building site of Cogema la Hague in the area of tidal range of the Moulinets cove. The fourth part concerns the radioactive waste and environment, with the study of the distribution of the artificial gamma emitters radioisotopes between a cleanup facility and its surrounding environment (case of the water treatment plant of the Grand Caen district), with the radiological characterization of special industrial waste before put in dump, with a technical assistance for the evacuation of special industrial waste contaminated by radioelements of the family of {sup 226}Ra and {sup 232}Th. The fifth part concerns the nuclear metrology with a campaign of an annual intercomparison organised by O.P.R.I., implementation and optimization of the radon measurements ({sup 222}Rn) in air and improvement of existing analysis techniques (measure of gamma radioactivity and tritium in seawater, measure of {sup 129}I and interlaboratory cooperation. The last part is an information work with the North Cotentin radioecology group that included three members of the association in its ranks. (N.C.)

  12. Annexes _ Revenus d’activité et niveaux de vie des professionnels de la culture

    OpenAIRE

    2015-01-01

    Sources : L’enquête revenus fiscaux et sociaux de l’Insee Les statistiques présentées ici s’appuient sur l’enquête Revenus fiscaux et sociaux de l’Insee, disponible chaque année depuis 2005 et fondée sur un échantillon représentatif des ménages en France métropolitaine, issu de l’enquête Emploi, mais aussi sur leurs déclarations fiscales et sur les prestations qu’ils ont perçues de la part de la Caisse nationale des allocations familiales (Cnaf), de la Caisse nationale d’assurance vieillesse ...

  13. The high level and long lived radioactive wastes; Les dechets radioactifs a haute activite et a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    This report presents the main conclusions of 15 years of researches managed by the CEA. This report is the preliminary version of the 2005 final report. It presents the main conclusions of the actions on the axis 1 and 3 of the law of the 30 December 1991. The synthesis report on the axis 1 concerns results obtained on the long lived radionuclides separation and transmutation in high level and long lived radioactive wastes. the synthesis report on the axis 3 presents results obtained by the processes of conditioning and of ground and underground long term storage. (A.L.B.)

  14. Prevalence and predictors of unsolicited exposure to and involvement in online sexual activites among young Internet users in Lagos metropolis

    Directory of Open Access Journals (Sweden)

    Michael O.N. Kunnuji

    2013-04-01

    Full Text Available The study draws empirical evidence from adolescents (aged 10 to 19 years and young adults (20 to 24years who use the Internet in exploring the relationship between two sets of independent variables – backgroundcharacteristics and context of Internet use and two sets of dependent variables – unsolicited exposureto online materials with sexual contents, and involvement in online sexual activities. The backgroundcharacteristics explored in the study are age, sex, autonomy (whether living alone or with parents, access tofunds and parent-child communication, while the Internet use context variables are place of access, all-nightInternet use and intensity of use. The study reveals that close to half of the subjects had been involved in atleast one online sexual activity with intensity and time of Internet use as the strongest predictors of involvement. doi: 10.11564/27-1-3

  15. Activităţile academice extracurriculare, performanţele şcolare şi angajabilitatea masteranzilor

    Directory of Open Access Journals (Sweden)

    Octavian MOLDOVAN

    2013-12-01

    Full Text Available Although universities use Extracurricular Academic Activities (EAA as a marketing technique to attract students and boost their ratings vis-à-vis potential employers, their actual effects (positive or negative are still debated. This research explored (both theoretically and empirically the relationships between EAA, academic performances and employability (the perceived likelihood of graduates to find a job. According to quantitative empirical data, participation in EAA improves academic performances and although participation in EAA requires the same amount of time as normal coursework, the two activities seem to be in accordance with each other. Referring to the future, most respondents believe that universities should continuously develop EAA and are willing to recommend participation to their peers (believing that employers take into account participation in EAA when assessing candidates. The positive opinion regarding how EAA participation contributes toward finding a job can be explained by the perception that participation in EAA increases professional abilities, while EAA might represent a more convincing argument for employers than academic performances.Furthermore, the qualitative data shows that the professional and academic competencies (abilities improved by participating in AAE coincide with the expectations of potential employers and that the overall quality of academic programs could be improved by institutionalizing EAA, multiplying and diversifying these activities, including strategic partners, and so on. 

  16. Activities report for 1994-1995; Institut de Physique Nucleaire de Lyon - Rapport d`activite 1994-1995

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-12-31

    Here is the progress report for the Institute of Nuclear Physics of Lyon.We find physics at Lep, R and D for CMS at LHC( Higgs boson search in the L3 collaboration, quark b physics in Delphi at Lep 100,electromagnetic calorimetry for CMS-RD18 program, CMS experiment at LHC: MSGC development), hadronic and nuclear matter(heavy ions in CMS, multifragmentation threshold, spectroscopy of superdeformed nuclei with EUROGAM), astro-particles(gamma and neutron radioactive background measurements, bolometric measurement, scintillating crystal characterization for dark matter detection, the Virgo optics), ions/clusters-matter, physico-chemical transformation by ion-solid interaction are some examples of studies realized during these two years. (N.C.).

  17. Activités insecticides de Striga hermonthica (Del.) Benth (Scrophulariaceae) sur Callosobrichus maculatus (Fab.) (Coleoptera : Bruchidae)

    OpenAIRE

    Nacoulma OG.; Ouedraogo AP.; Kiendrebeogo M.

    2006-01-01

    Insecticidal activities of Striga hermonthica (Del.) Benth (Scrophulariacecae) on Callobruchus maculatus (Fab.) (Coleptera Bruchidae). This paper deals with insecticidal potentialities of Striga hermonthica (Del.) (Scrophulariaceae) in protection of cowpea Vigna unguculata (L.) Walp against Callosobruchus maculatus (Fab.) (Coleoptera: Bruchidae) during storage. Crude acetone extract at 0,5% w/w (100 mg of extract for 20 g of grain) exhibits 48% of ovicidal effect and then reduces by half emer...

  18. Activités insecticides de Striga hermonthica (Del. Benth (Scrophulariaceae sur Callosobrichus maculatus (Fab. (Coleoptera : Bruchidae

    Directory of Open Access Journals (Sweden)

    Nacoulma OG.

    2006-01-01

    Full Text Available Insecticidal activities of Striga hermonthica (Del. Benth (Scrophulariacecae on Callobruchus maculatus (Fab. (Coleptera Bruchidae. This paper deals with insecticidal potentialities of Striga hermonthica (Del. (Scrophulariaceae in protection of cowpea Vigna unguculata (L. Walp against Callosobruchus maculatus (Fab. (Coleoptera: Bruchidae during storage. Crude acetone extract at 0,5% w/w (100 mg of extract for 20 g of grain exhibits 48% of ovicidal effect and then reduces by half emergence rate of adult beetles at the first generation. This extract shows a weak insecticide activity against adults of C. maculatus. Petroleum ether fraction (0,4% w/w of the crude extract reveals ovicidal (51% and larvicidal (72% effects which reduce the emergence rate of adults to only 9%. LD50 and LD90 are monitored during crude extract fractionation to follow ovicidal and larvicidal compounds and to evaluate their efficacy during the isolation procedure. One fraction, mainly composed of two triterpenoid compounds has been identified as responsible of the ovicidal activity of S. hermonthica while the origin of the larvicidal activity hasn’t been identified.

  19. National laboratory of hydraulics. 1997 progress report; Laboratoire national d`hydraulique. Rapport d`activite 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-12-31

    This report summaries the 1997 activity of the national laboratory of hydraulics from the direction of studies and researches (DER) of Electricite de France (EdF). The report comprises two parts. Part 1 gives an overview of the studies carried out for other EdF departments or for other companies or partners (functioning of nuclear reactors and fossil fuel power plants, equipments and operation of fossil fuel, nuclear and hydraulic power plants, studies related to the use of electric power, maritime and fluvial studies). Part 2 concerns the research and development of tools for industrial fluid mechanics and environmental hydraulics and the development of computer codes. A selection of relevant publications is given. (J.S.) 23 refs.

  20. Final synthesis of Sarnet (Phase 1) corium activities; Synthese finale des activites corium du reseau Sarnet (Phase 1)

    Energy Technology Data Exchange (ETDEWEB)

    Journeau, Ch. [CEA Cadarache, 13 - Saint Paul lez Durance (France); Steinbruck, M. [Forschungszentrum Juelich GmbH (Germany); Repetto, G.; Duriez, Ch.; Koundy, V. [Institut de Radioprotection et de Surete Nucleaire (IRSN), 92 - Clamart (France); Ma, W.M. [Kungliga Tekniska Hoegskolan (KTH), Stockholm (Sweden); Burger, M. [Institut fur Kernenergetik und Energiesysteme, Stuttgart (IKE) (Germany); Spindler, B. [CEA Grenoble, 38 (France)

    2009-07-01

    Within the SARNET Severe Accident Research Network of excellence, the Corium topic covers all the behaviour of corium (mixture formed by the molten materials arising from a postulated nuclear reactor severe accident) from early phase of core degradation to in or ex-vessel corium recovery with the exception of corium interaction with water, direct containment heating and fission product release. The Corium topic regroups in three work packages the critical mass of competence to improve significantly the corium behaviour knowledge. The spirit of the SARNET networking is to share the knowledge, the facilities and the simulation tools for severe accidents, so to reach a better efficiency and to rationalize the R and D effort at European level. Extensive benchmarking has been launched in most of the areas of research. These benchmarks were mainly dedicated to the recalculation of analytical experiments, integral experiments or reactor applications. Eventually, all the knowledge will be accumulated in the ASTEC severe accident simulation code through physical model improvements and extension of validation database. This report summarizes the progress that has been achieved in the frame of the networking activities for the four and half years of the FP6 project. (authors)

  1. Finanţarea activităţii de cercetare prin programe naţionale

    Directory of Open Access Journals (Sweden)

    Mircea-Iosif Rus

    2012-03-01

    Full Text Available The scientific research activity represents a major factor in socioeconomic development and an engine of the economic and social progress; science and technology are key components of modern life and they help countries achieve their economic and social goals, achieve sustainable development. In scientific research we distinguish between basic research, applied research and research for development and innovation. Thus, if knowledge refers to rules and principles, we can consider it a result of basic research, expressed in publications. If knowledge refers to procedures or the application of this knowledge to specific contexts, as a result of the basic research, then we can discuss about the applied scientific research,whose result appears in publications.

  2. ACTIVITE ANTIMICROBIENNE ET ANTIOXYDANTE D’EXTRAIT AQUEUX DE FRUIT DE Zyziphus lotus.L. DE LA REGION TAOUNATE

    Directory of Open Access Journals (Sweden)

    S. LAIRINI

    2015-01-01

    Full Text Available In Morocco, Zyziphus lotus.L. is widely used in traditional edicine plant. It is mainly harvested in the region Taounate. This study aims to evaluate the antimicrobial activity of an aqueous extract prepared from the fruit of this plant on Staphylococcus aureus, Listeria monocytogenes, E. Coli, Penicillium expansum and Candidum geotricum diffusion on the one hand, and analyze both the rate of total polyphenols by the Folin-Ciocalteu's and the antioxidant power of diphenylpicrylhydrazyl (DPPH secondly. The results show that the extract contains total polyphenols of 5μg/mg and has an antimicrobial effect from 0.31 mg /ml for Staphylococcus aureus (inhibition diameter :7,10±0,20 mm and Listeria monocytogenes (6.93 ± 0.15 mm, 0.46 mg / ml for E. coli (9.10 ± 0 , 20mm, 0.62 mg / ml for Penicillium expansum (5.07 ± 0.25 mm and Geotricum Candidum (6.13 ± 0.21 mm. Moreover, the test of the aqueous extract by DPPH shows anti-radical of about 85.79% activity. The extract of Zizyphus lotus.L. seems to have a very interesting antioxidant power.

  3. CARACTERISATION CHIMIQUE ET ACTIVITES BIOLOGIQUES DES VOLATILS DE Mentha aquaticaL. (DOMRANE) DE L’OUEST ALGERIEN.

    OpenAIRE

    BENOMARI, Fatima Zahra

    2014-01-01

    De part sa situation géographique, sa végétation, son climat, son relief et sa structure, la forêt Algérienne est typiquement méditerranéenne. Elle présente une grande affinité avec les autres forêts méditerranéennes notamment dans sa structure et sa dynamique. Sa flore est réputée pour sa diversité et son endémisme. L’étude floristique de l’ouest Algérien reste relativement satisfaisante, et plus particulièrement les Monts de Tlemcen qui dans leurs ensemble offrent des paysag...

  4. Amélioration des activités insecticides des protéines Vip3 de Bacillus thuringiensis

    Directory of Open Access Journals (Sweden)

    Sameh SELLAMI

    2016-07-01

    Full Text Available Vip3 proteins were considered as a second generation of biopesticides. They are synthesized and secreted by Bacillus thuringiensis during the vegetative growth phase. Vip3 proteins, which are discovered in 1990, are of great interest for the control of Lepidopteran insects pests such as Agrotis ipsilon, Spodoptera littoralis, Spodoptera exigua and Spodoptera frugiperda. Many researches were conducted on the Vip3 proteins in order to enlarge their spectrum, improve their insecticidal activities and resolve the problems of resistance that appeared recently after the massive use of δ-endotoxins, considered as first generation of biopesticides. In this review, we tried to summarize research studies interested in the improvement of the insecticidal activities of Vip3 proteins.

  5. Modélisation aléatoire de l'activité des Lymphocytes T Cytotoxyques

    OpenAIRE

    Christophe, Claire

    2014-01-01

    This thesis studies some statistical and probability properties of the dynamic of Cytotoxic T Lymphocyte(CTL, immune cells) and a tumor nodule. This work is in close collaboration with SalvatoreValitutti team at INSERM. Considering the complexity of developing an in vitro tumor nodule, wedevelop an agent based model to describe and understand the interaction between CTL and tumor.Numerical experiments highlight two important parameters in CTL immune response against tumormass. Primarily the C...

  6. Synthèse mécanochimique et réactivité du phosphate bicalcique

    OpenAIRE

    Dehbi, Hafid

    1986-01-01

    151 pages; No English abstract; Par cobroyage des orthophosphates solides mono et tricalciques, il est possible de préparer l'orthophosphate bicalcique. L'Influence des paramètres : temps de broyage, température, pression de vapeur d'eau sur la cinétique de la réaction de synthèse, suivie par diffraction des rayons X. montre que la vapeur d'eau joue un rôle primordial. Elle agit comme catalyseur de la réaction ou comme réactant pour former de la brushite, composé intermédiaire, se déshydratan...

  7. National Laboratory of Hydraulics. 1996 progress report; Laboratoire National d`Hydraulique. Rapport d`activite 1996

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    This progress report of the National Laboratory of Hydraulics (LNH) of Electricite de France (EdF) summarizes, first, the research and development studies carried out in 1996 for the development of research tools for industrial fluid mechanics and environmental hydraulics and for the development of computer tools (computer codes and softwares for fluid mechanics modeling, modeling of reactive, compressible, two-phase and turbulent flows and of complex chemical kinetics using finite elements and finite volume methods). A second parts describes the research studies performed for other services of EdF, concerning: the functioning of nuclear reactors (thermohydraulic studies of the reactor vessel and of the primary coolant circuit, gas flows following severe accidents, fluid-structure thermal coupling etc...), fossil fuel power plants, the equipment and operation of thermal power plants and hydraulic power plants, the use of electric power. A third part summarizes the river and marine hydraulic studies carried out for other companies. (J.S.) 63 refs.

  8. A.C.R.O. activity report 2006; A.C.R.O. rapport d'activite 2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    This association participated in different working groups: North Cotentin radioecology group, groups of expertise on the uranium mines of Limousin, executive committee for the management of the post accidental phase of a nuclear accident or a radiological emergency situation, radioactive waste management, radiological surveillance of the territory, radiation protection mission by the Asn, radiological surveillance of the environment of the Chinon nuclear power plant, study of the presence of {sup 235}U around the site of Brennilis, study of the radioactive waste management at the Manche plant, radiological surveillance of the Cyceron cyclotron at Caen, Aurengo commission on the consequences in France of the Chernobylsk accident. Actions of information, regular publications, meeting with public are also a part of the work of this association. (N.C.)

  9. The storage center of very-low level radioactive wastes; Le centre de stockage des dechets de tres faible activite

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-07-01

    The low level radioactive wastes have a radioactivity level as same as the natural radioactivity. This wastes category and their storage has been taken into account by the french legislation. This document presents the storage principles of the site, containment, safety and the Center organization. (A.L.B.)

  10. Progress report for 94/95; Institut des Sciences Nucleaires - Rapport d`activite 1994-1995

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-12-31

    We find here the progress report for the two years 1994 and 1995 for institute of nuclear sciences at Grenoble. In the field of quarks and leptons, three teams are invested in CERN programmes: A.T.L.A.S. near the L.H.C., D.E.L.P.H.I; the neutrino team has achieved the building of the detector in the M.U.N.U. collaboration. In the theme Hadrons physics we have G.R.A.A.L. at E.S.R.F., C.E.B.A.F. and W.A.89. Physicists are implied in the project E.L.F.E at D.E.S.Y. The study of superdeformed states go on with E.U.R.O.G.R.A.M. New techniques have been used near the programme S.A.R.A. The programme P.I.A.F.E. saw the resolution of the difficult problem of the transformation 1+ gives N+ ions of 30 KeV and their transport on long distances. The team of hybrid reactors have shown that it was possible to amplify energy by a sub critical accelerator-reactor hybrid system, experience initiated by C. Rubbia at C.E.R.N. (N.C.).

  11. 1996 Progress report on energies and raw materials; 1996 rapport d`activite energies et matieres premieres

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-31

    The 1996 annual progress report, from the French Department of Energy, reviews the key points of the French policy for energy and raw materials: competitiveness, environmental protection, long term supply safety, and public service. 1996 was marked by positive results for the French energy industry, difficulties for the oil refining industry, and a new impetus for renewable energies. Five surveys are presented: nuclear safety in Eastern Europe, the european directive on electric power domestic market, evolution of the oil market, conditions of refining in France, and restructuring of the Mine bureau (BRGM). 40 prominent facts are briefly reviewed, concerning sustainable energy development, nuclear energy, electric power and gas, coal, oil products, raw materials. Diagrams on energy and raw materials are also included

  12. Les villes nouvelles franciliennes et la polarisation du desserrement des activités d'intermédiation

    OpenAIRE

    Halbert, Ludovic

    2005-01-01

    International audience; This paper describes the role played by the Ile-de-France New Towns in the deconcentration of producer services in the Paris city-region.; Cet article analyse le rôle joué par les villes nouvelles franciliennes dans les processus de desserrement des emplois d'intermédiation dans la région métropolitaine parisienne.

  13. Hydrogen and fuel cell activity report - France 2010; Rapport d'activites Hydrogene et Piles a combustible - France 2010

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2010-07-01

    The report gathers the main outstanding facts which occurred in France in the field of hydrogen and fuel cells in 2010. After having noticed some initiatives (the Grenelle II law, an investment package, the new role of the CEA, the new role of the IFP), the report presents several projects and programs regarding hydrogen: ANR programs, creation of a national structure (the HyPaC platform), regional initiatives and local actions, colloquiums and meetings in France and in the world, research projects (photo-synthesis as a new electric energy source), a technical-economic investigation (HyFrance3), demonstrator projects (the Althytude project by GDF and Suez, the Plathee hybrid locomotive by the SNCF, the H2E project, the Zero CO{sub 2} sailing boat, and the Myrte project), educational applications, activity in small and medium-sized enterprises (CETH, SAGIM, HYCAN, McPhy, N-GHY).

  14. ACTIVITE ANTIMICROBIENNE DES SOUCHES DE BACTERIES LACTIQUES ISOLEES DE VIANDE HACHEE DE DROMADAIRE ET DU LAIT CRU DE VACHE (MAROC)

    OpenAIRE

    M. BOUZAID; R. CHATOUI; H. Latrache; A. Hasib

    2016-01-01

    Bacteriocins are peptides produced by lactic acid bacteria and having antibacterial activity. Seven strains were isolated from cow milk and camel meat, then identified by physiological and biochemical methods. This study revealed four different species of lactic strains of Lactobacillus: L. acidophilus, L. amylovorus, L.yamanashiensis and L. salivarius. These seven strains were evaluated for their inhibitory effect toward 13 pathogen and spoilage microorg...

  15. IPSN's 2001 activity report; Rapport d'activite 2001 de l'IPSN

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This report summarizes the 2001 activities and operation of the French institute of nuclear protection and safety (IPSN) which has become the institute of radioprotection and nuclear safety (IRSN) after its merging with the office of protection against ionizing radiations (OPRI). IPSN's activities cover: the safety of nuclear facilities, the safety of nuclear wastes, the management of emergencies, the management of sensible materials, the protection of the environment and of the public health, some research activities with foreign partners (central and eastern Europe, Asia..), and a partnership with the GRS, the German homologue of IPSN. (J.S.)

  16. Financement des pensions et taux d'activité des travailleurs âgés : une proposition alternative

    OpenAIRE

    de la Croix, David; Lepers, Johan

    2005-01-01

    Cotisation sociale généralisée et modification dans le mode de calcul des pensions sont deux moyens souvent évoqués pour faire face au vieillissement de la population. Nous proposons alternativement de réduire l’impôt direct sur les travailleurs de plus de 58 ans et montrons que cette mesure domine largement les deux autres, au niveau de la croissance, du bien-être, et même du financement de la sécurité sociale.

  17. Activities report for 1993-1994; Centre de Recherches Nucleaires Strasbourg - Rapport d`activite 1993-1994

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1994-12-31

    The period of 1993 1994 has seen the first experiences of the Vivitron and the multi detector E.U.R.O.G.R.A.M.They concern study of properties of superdeformed nuclei. The CRN is invested on the way of an other priority project for the decade to come: the preparation of experience near the future L.H.C collider at C.E.R.N.. Different contributions to researches, developments for detectors are explained. (N.C.).

  18. A.C.R.O. activity report 2003; A.C.R.O. rapport d'activite 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    A.C.R.O. (Association pour le Controle de la Radioactivite dans l'Ouest) is a French non governmental organisation that operates a laboratory for radioactivity analysis. It was created in 1986 as a response to people demands for information and reliable, independent testing. The organisation mainly carries out missions of information and training for its correspondents and more generally for a wide audience, particularly for people who worry about problems of environment, health, management of radioactive waste and emissions. Thanks to its structure, it enables citizens to involve themselves together with scientists so as to gain access to information that was hither to reserved to specialists. The organisation can vouchsafe its independence from the diversity of its members and volunteers, as well as from the diversity of its money resources. Besides its headquarters situated on the city of Caen area (Normandy), three branches situated in North Normandy, in Touraine and North Cotentin enable A.C.R.O. to assert its presence in the west of the French country. The association is run by a 30-plus team of volunteers and employees, structured in four committees : science, information, secretarial offices and management. Certified for the Protection of the Environment, the association was granted a technical qualification certificate for its testing and measurement activities by the French Health Authorities, according to decree n. 88 715 of May 9, 1988. In connection with all the human and technical know-how that it has links up over the years, the A.C.R.O. has developed such expertise as has made it an essential player in public debate; it has also led it to take part in numerous work groups and official committees and improve the public information through the regular publication of 'the nuclear chronicle'. Several actions are to be noticed: Radio ecological follow through of the aquatic environment both continental and marine of the sea-coast of Normandy from 2001 to 2003; Radio ecological monitoring of the environment of the Cogema la Hague building site in the Moulinets cove;Inventory of the radioactivity of the catchment area and the Brest Harbour (achieved in march 2003); Radiological measures of the earthly environment of the establishment of the G.I.P. CYCERON in Caen year 2003; Radiological characterization of D.I.S. and technical aid in relation to the directive 96/29 EURATOM. (N.C.)

  19. A.C.R.O. activity report 2004; A.C.R.O. rapport d'activite 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    The A.C.R.O. continues to play an indispensable role through both additional objectives which guide its activities: the environmental surveillance and the public information. In 2004, these objectives are translated by numerous actions which join the continuity of the orientations taken for several years, as for example the periodic publication of all the analysis results via our quarterly review and our www.acro.eu.org web site, but also our participation at commissions, working groups and groups of institutional experts or not. Year 2004 marks the beginning of our commitment in Belarus, country still strongly marked by the disaster of Chernobylsk, to work with the population of the contaminated territories. The project aims to set up a surveillance of the contamination at the inhabitants disposal and to promote the distribution of information and knowledge in radiological protection, essentially turned to the young people, the housewives and the pregnant women. The peculiarity of this project is to give the coordination to the inhabitants, so that they can pursue it in any autonomy. On the day before the 20. anniversary of the disaster, this commitment seems to us important and meaningful as the international community seems to have forgotten Chernobylsk; beyond the help which we can bring over there, we also have many things to be learnt to pass on and testify around us. As regards the environmental surveillance, the A.C.R.O. decided in 2004 to melt again its programs of surveillance and evaluation led on the scale of the big West to form only one. Key project of year 2004, the launch of the network citizen of the wakefulness, information and radioecological evaluation (R.I.V.I.E.R.E.) allows to understand the levels and the tendencies of the aquatic ecosystems radioactivity on the scale of the Seine Normandy pond: from Nogent-sur-Seine to La Hague and from the Mont-Saint-Michel to Penly. The peculiarity of this network, which also makes its strength, is to associate strictly all those who wish to appropriate the knowledge of the radioactivity levels 'around them'. With R.I.V.I.E.R.E, the citizen is at the same moment an author and an actor of the surveillance of his environment as his information, a initiative which we defend for a long time. Finally, on the sector of the training, the itinerant operation led this year within the framework of the 'feast of the science', has allowed to introduce 800 young people of our region to the radioactivity measure in our mobile 'laboratory', but also to make sensitive the general public in the surveillance citizen of environment. (N.C.)

  20. 2004-2006 activity report of Dapnia; Rapport d'activite 2004-2006 du Dapnia

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    This document presents the research programs of the Department of Astrophysics, Particle Physics, Nuclear Physics and the related Instrumentation (Dapnia) of the French atomic energy commission (CEA). These programs deal with: 1 -the ultimate constituents of matter (standard model, physics at the LHC, neutrinos, hadrons structure); 2 - the energy content of Universe (dark matter, dark energy, antimatter and CP violation); 3 - the Universe's structuration (cosmology and structures formation in the Universe, formation and evolution of galaxies); 4 - structure and evolution of stars (formation of stars and planets, stellar and laboratory plasmas, compact objects, cosmic ray sources); 5 - nuclear matter in its extreme states (quarks and gluons plasma, exotic nuclei); 6 - innovation for detection systems (development of detectors, signal processing and real-time systems, intensive calculation and simulation); 7 - magnets and accelerators (particle accelerators, superconducting magnets, test facilities, new developments for magnets and accelerators instrumentation); 8 - physics for nuclear energy (nuclear data and modeling, fusion research technology); 9 - Dapnia's expertise for the society (physics and health, dismantling and aid to the design of nuclear facilities, light sources, environment). A list of publications completes the document. (J.S.)

  1. Imagerie et identification des signaux géophysiques distinctifs induits en surface par l'activité hydrothermale

    OpenAIRE

    Legaz, Aurélie

    2008-01-01

    This thesis is a study into the structure and functioning of hydrothermal systems. We focused on two areas, Waimangu, New Zealand, and the Phlegrean Fields - Solfatara, Italy, that we observed with several geophysical methods. The first system was chosen owing to its strong dynamics, and because it seems to be purely hydrothermal, without any magmatic influence; the second one allowed the observation and the geophysical characterization of a shallow hydrothermal plume. Our study first aimed t...

  2. Distant analysis of the isotopic composition of H{sub 2}, D{sub 2}, T{sub 2} and H{sub 2}O, D{sub 2}O, T{sub 2}O mixtures by spontaneous Raman spectroscopy; Analyse a distance de la composition isotopique de melanges (H{sub 2}, D{sub 2}, T{sub 2}) et (H{sub 2}O, D{sub 2}O, T{sub 2}O) par spectroscopie Raman spontanee

    Energy Technology Data Exchange (ETDEWEB)

    Chaufour, Y

    1996-01-10

    This work concerns the quantitative analysis of hydrogen isotopes in of H2/D2/T2 and H20/D20/T20 mixtures. The radioactivity of tritium and its nuclear environment explain the need for distant analysis. Spontaneous Raman spectroscopy has been chosen as analytical tool because it can differentiate all the isotopic molecules we are interested in. The possibility to record spectra distantly with optical fibers makes it a good solution for the two cases we are presenting. For tritiated water analysis we have used a multi-fiber probe which penetrates the glovebox and allows to record the water spectrum through the closed glass flask which contains it. In two minutes we can detect 0.56 molar % of H20 and D20, and 0.056 molar % of 120 (1800 i/l). For gaseous hydrogen mixtures we have developed a multipass cell connected to the Raman installation with one hundred meter optical fibers. Each of the six molecular species resulting of isotopic exchanges are detected in two minutes until partial pressures of 2O mbar. (author) 80 refs.

  3. Experiment search of the electroweak symmetry breaking in the H {yields} {gamma}{gamma} channel and of a solution of the hierarchy problem in the Atlas experiment: participation to the tests of the electronics of the electromagnetic calorimeter; Recherche experimentale de la brisure spontanee de symetrie electrofaible dans le canal H {yields} {gamma}{gamma} et d'une solution au probleme de hierarchie dans ATLAS. Participation a la preparation de l'electronique du calorimetre electromagnetique

    Energy Technology Data Exchange (ETDEWEB)

    Escalier, M

    2005-04-15

    This thesis deals with the understanding of the spontaneous electroweak symmetry breaking mechanism in the ATLAS experiment at LHC collider, by studying two complementary topics: the search for the Higgs boson in the H {yields} {gamma}{gamma} channel, and a search for extra dimensions in the gluon sector. Tests of the electronic of the electromagnetic calorimeter allowed us to validate various cards that were under the responsibility of the LPNHE. Using full simulation data of the detector allowed us to precisely compute mass resolution of the di-photon system. Due to recent theoretical improvements, signal and background have been studied at the next order of the perturbative development, which increases cross-sections. With regards to the jet background, a study has been done using discriminating variables in order to obtain, for a 80 % photons efficiency, a rejection factor of 7000. The discovery potential benefits from this change of cross-sections and increases by 50 % in comparison with the same analysis done at the leading order. In addition to this, a new analysis using a maximum likelihood method allowed us to increase by 40 % the discovery potential in comparison with our classical analysis. In conclusion, the Higgs boson of 120 GeV/c{sup 2} can be now discovered in this channel with an integrated luminosity of 10 fb{sup -1}. Furthermore, the consistency of the problem of the Higgs boson mass can be solved by introducing extra dimensions in which gluons can propagate. We have shown that it was possible to discover extra-dimensions up to a compactification scale of 15 TeV. (author)

  4. Tests phytochimiques et l'effet d'extrait hydroalcoolique brut de Marrubium vulgare sur l'activité de l'a-amylase

    OpenAIRE

    NADJARI, Fatima

    2015-01-01

    Ce travail porte sur la recherche, in vitro, de l'effet inhibiteur d'enzyme a-amylase par différentes concentrations d'extrait brut hydoalcoolique, préparé par décoction, de la partie aérienne du Marrube blanc (Marrubium vulgare), plante utilisée dans le traitement de diabète sucré. Le travail est initié par une extraction sélective à partir de la partie aérienne du Marrubium vulgare. L'analyse phytochimique a révélé la présence d'alcaloïdes, de coumarines, de sucres rédu...

  5. A modern and affordable activity at the grammar school: particle collisions; Une activite moderne et abordable au lycee: les collisions de particules

    Energy Technology Data Exchange (ETDEWEB)

    Lagoute, Ch. [Lycee Bellevue, 31 - Toulouse (France)

    2010-12-15

    In the eighties photographs from cloud chambers where used in the French physics curriculum of grammar schools to study particle collisions inside a magnetic field. This was a simple but efficient means to illustrate elastic and non-elastic collisions and energy and momentum conservation laws. The teachers used transparent abacus to determine the radius of curvature from which particle's linear momentum was deduced. Now photographs have been digitized and a software has been created to determine the value of the radius by simple mouse click. This pedagogical tool has become easier to use and remains a very interesting means to make students touch concrete and surprising physics. (A.C.)

  6. 苹果渣中多酚的提取及抗氧化性研究%Research on polyphenols extraction from apple pomace and its antioxidation activites

    Institute of Scientific and Technical Information of China (English)

    王伟

    2014-01-01

    研究了超声波辅助提取苹果渣中多酚的工艺及其抗氧化性。利用单因素实验、正交试验设计考察了乙醇浓度、液料体积质量比、提取时间和提取温度对苹果渣中多酚物质提取率的影响,并进行了提取多酚抗氧化性试验。结果表明,正交试验最佳条件为乙醇体积分数60%、料液比15( mL)∶1( g)、提取时间40 min、温度30℃,在此条件下苹果多酚提取率达到了2•7606 mg/g。苹果多酚添加量为0•02%时对芝麻油和猪油的抑制率分别为38•44%和44•93%。超声波辅助提取苹果渣中多酚的提取率高,速度快,苹果多酚对芝麻油、猪油有较好的抗氧化作用。%The research focuses on ultrasonic assisted extraction technology of polyphenols from apple pomace• The single factor experiment and orthogonal test are conducted to probe into the effects of the ethanol concentration,extraction time,liquid ratio and extraction temperature on polyphenols extraction rate from ap-ple pomace• At the same time,antioxidation experiments are also done•The results show that the best condi-tions of the orthogonal test were ethanol concentration of 60%,liquid to material of 15∶ 1 ,extraction time of 40 min,temperature of 30 ℃• The apple polyphenol extraction yield reached 2•760 6 mg/g under the condi-tion• When apple polyphenol addition reaches to 0•02%,the inhibition rate of sesame oil and lard is 38•44%and 44•93% respectively• Ultrasonic assisted extraction of polyphenols in apple pomace extractionrate is better in extraction rate and speed• Apple polyphenol has better antioxidation action on sesame oil and lard.

  7. Bilan thermique et caractérisation géochimique de l'activité hydrothermale du volcan Rinjani, Lombok, Indonésie

    OpenAIRE

    Barbier, Benjamin

    2010-01-01

    La caldera du volcan Rinjani contient un lac d’un volume de 1 km³ qui est probablement le plus grand lac volcanique au monde présentant une anomalie thermique nette. Ce lac présente une composition neutre chlorure sulfate bicarbonate inhabituelle pour les lacs volcaniques. Sa TDS (2600 mg/l) et conductivité (3500µs/cm) élevées indiquent un apport de fluides hydrothermaux très important. Enfin, son alcalinité élevée (520 mg/l), indique un apport important de dioxyde de carbone dans le lac.Les ...

  8. Influenţa factorilor de mediu la nivel comunitar asupra activităţii fizice la adolescenţi şi tineri

    Directory of Open Access Journals (Sweden)

    Petru SANDU

    2014-12-01

    Full Text Available Physical activity is a complex behavior, infu-enced by personal, community and environmental factors. The aim of the current research was to review the literature approaching the infuence of environmental factors on attitudes, perceptions and levels of physical activity of adolescents and youth. A literature review was conducted, articles be-ing searched in the following databases: Medline, Scopus, Google Scholar, EbscoHost and Web of Knowledge. The following word combinations were used: environment, built environment, determinant, infuence, physical activity, levels, attitudes, percep-tions, youth, and adolescents.There is a direct association between built en-vironment characteristics, respectively the existen-ce and accesibility of recreational physical activity infrastructure and the attitudes, perceptions, and levels of physical activity of adolescents and yo-uth. Subjective (respondents’ perceptions as well as objective measurements of these environmental factors were found to positively associate with physi-cal activity in these population subgroups. The infuence of the existence and availability of physical activity infrastructure on physical activity related perceptions and levels of physical activity in adolescents and youth should be considered by local public administration authorities in the develop-ment of interventions aimed at increasing the levels of physical activity in these population subgroups.

  9. Coordination des activités réparties dans des situations dynamiques : le cas de la gestion de crise inter-organisationnel

    OpenAIRE

    Franke, Jörn

    2011-01-01

    Recently we have seen several large scale disasters affecting humans all over the world. Examples are Hurricane Katrina in 2005, the Haiti earthquake in 2010 or the September 11/2001 terrorist attacks on the world trade center. During these disasters, several hundred organizations, such as police, fire brigade or humanitarian aid organizations, respond with the goal to save people and support them to live a normal life again. They need to coordinate to deal with scarce resources, different sk...

  10. Commission for Energy regulation (CRE) - Activity report June 2005; Commission de regulation de l'energie (CRE) - Rapport d'activite juin 2005

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    CRE is the French commission for energy regulation. CRE's remit is to assist in ensuring the proper operation of the electricity and natural gas markets for the benefit of the end-user. In particular, CRE ensures that the conditions of access to electricity and natural gas transmission and distribution systems do not hinder the development of competition. It monitors, for the electricity and natural gas sectors, all transactions made between suppliers, traders and producers, all transactions made on the organised markets and cross-border trading. It ensures that suppliers, traders and producers propose offers that are consistent with their financial and technical constraints. It monitors the implementation of and compliance with regulations giving consumers the right to choose their supplier in a competitive market, and allowing new suppliers to enter the market. This document is the 2005 activity report of CRE. Content: A - The opening of the markets in France and in Europe: The opening of the markets one year after 1 July 2004 (An especially important step, Electricity and gas: a common framework with structural differences, The coexistence of market prices and regulated tariffs); The European texts of 26 June 2003 (Texts to give new impetus, Texts to harmonize the role and powers of national regulators, Texts to guarantee the independence of system operators, Texts to ensure transparent and non-discriminatory access to networks, Texts providing for strengthening of interconnections); The outlook for 2007, a fully open market (1 July 2007: a date set by the directives, Priority given to informing and protecting consumers); B - Regulation of the natural gas market: The gas market in the European context (Europe's dependency on imports is increasing, Gas prices increased considerably across the whole of Europe in 2004, The European gas scene continues to be dominated by a small number of players, Gas infrastructures need to be developed in Europe, The new European texts specify the competitive framework); Opening of the gas markets (Opening of the markets in European Union countries, Opening of the French gas market); CRE: regulator of the French gas market (Major obstacles to efficient operation of the French gas market were raised during 2004 and early 2005, Changes in natural gas regulated sales tariffs, Regulated infrastructure tariffs and utilisation conditions, Gaz de France and Total commitments made to the European Commission, Opening of the non-household market on 1 July 2004 and work of the 2004 Gas Working Group (GTG 2004), Audits of the un-bundled accounts of integrated gas operators, CRE's opinions on the regulatory texts, Codes of good conduct for network operators); The work programme (Independence of network operators, Feedback, Preparation of total opening on 1 July 2007, Preparation of the new tariffs for use of regulated gas infrastructures, Comparison of offers of access to storage facilities in Europe, Distribution system operators' investment criteria, Works in the European context); C - Regulation of the electricity market: actors and electricity markets; access to public power networks; the public electric utility in the regulated market; D - The working of CRE: How CRE exercises its jurisdiction (A working method based on responsiveness, consultation and transparency, Disputes solved help to guarantee the right of access to networks for consumers, suppliers and producers, Control and sanction powers); Tools (Professionalism and a multi-disciplinary approach, Some resources remain insufficient to meet the deadline for total opening of the energy markets on 1 July 2007, Independence and budgetary structure); European and international activity (Relations with European Union institutions, Relations with other regulators, Other international relations); E - Glossary, Acronyms, Units and conversions, Index of insets, tables and figures, Council of European Energy Regulators (CEER)

  11. Composition chimique et activité antimicrobienne des huiles essentielles de Thymus algeriensis Boiss. & Reut. et Thymus ciliatus (Desf. Benth. du Maroc

    Directory of Open Access Journals (Sweden)

    Chaouch, A.

    2010-01-01

    Full Text Available Chemical composition and antimicrobial activity of the Thymus algeriensis Boiss. & Reut. and Thymus ciliatus (Desf. Benth. essential oils of Morocco. The aim of this work is to study the chemical composition and antibacterial and antifungal activity of essential oils of Thymus algeriensis Boiss. & Reut. and Thymus ciliatus (Desf. Benth. of Morocco against seven microorganisms. The essential oils of T. ciliatus are characterized by the presence of thymol (44.2%, β-E-ocimene (25.8% and α-terpinene (12.3% as principal chemical components. The essential oils of T. algeriensis are formed mainly by camphor (27.7% and α-pinene (20.5%. The oil of T. ciliatus showed a strong antibacterial and antifungal activity against all tested bacteria and fungi. This bioactivity is due mainly to the richness of this essential oil in thymol known for its effectiveness against the microbial agents.

  12. Activité larvicide sur Anopheles gambiae Giles et composition chimique des huiles essentielles extraites de quatre plantes cultivées au Cameroun

    Directory of Open Access Journals (Sweden)

    Tchoumbougnang F.

    2009-01-01

    Full Text Available Larvicidal activity against Anopheles gambiae Giles and chemical composition of essential oils from four plants cultivated in Cameroon. The chemical composition of the essential oils obtained by hydrodistillation of dry leaves from Cymbopogon citrates (DC. Stapf, Ocimum canum Sims, Ocimum gratissimum L. var 'gratissimum' L. and Thymus vulgaris L. cultivated in Cameroon were analyzed and their larvicidal activity against fourth instar larvae of Anopheles gambiae Giles were determined. The yields of extraction indicate that T. vulgaris (0.95% was richer in essential oil than C. citratus (0.67%. O. canum and O. gratissimum have approximately the same content in volatile constituents (0.59% and 0.60%, respectively. The analyses by GC and GC/MS showed that these oils are monoterpenic (86.8-97.4%. Oxygenated monoterpenes predominate in C. citratus and O. canum (81.6% and 68.9%, respectively while O. gratissimum oil contains a majority of monoterpene hydrocarbons (61.0%. T. vulgaris is characterized by the same proportion of monoterpene hydrocarbons (45.6% and oxygenated monoterpenes (48.9%. The main compounds found in the essential oil of C. citratus are acyclic monoterpenes such as geraniol (15.6%, geranial (39.3%, neral (21.9% and myrcene (14.0%. The essential oil of T. vulgaris is characterized by p-menthane structures given by thymol (40.1%, p-cymene (23.4% and γ-terpinene (15.1%; p-cymene (32.1% and thymol (24.3% were also the constituents quantitatively important in O. gratissimum essential oil while linalool (56.3% and limonene (10.9% were predominant in O. canum. Bioassay test done by the World Health Organization standard protocol revealed that these essential oils have remarkable larvicidal properties as they could induce 100% mortality in the larvae of A. gambiae at the concentration of 100 ppm for C. citratus, 200 ppm with T. vulgaris, 350 ppm for O. gratissimum and 400 ppm for O. canum. Their LC50 and LC80 show the same reactivity order. The essential oil of C. citratus was found to be the most efficient, with respective values of: LC50 = 18 ppm and LC80 = 25 ppm.

  13. Activité antifongique des huiles essentielles de Thymus bleicherianus Pomel et Thymus capitatus (L. Hoffm. & Link contre les champignons de pourriture du bois d'oeuvre

    Directory of Open Access Journals (Sweden)

    Amarti F.

    2008-01-01

    Full Text Available Antifungal activity of the Thymus bleicherianus Pomel and Thymus capitatus (L. Hoffm. & Link essential oils againstwood-decay fungi. Essential oils and their constituents have a long history of applications as antimicrobial agents, but theiruse as wood preservatives has rarely been reported. This study deals with the antifungal activity of two medicinal and aromaticplants essential oils of the Moroccan flora against four wood-decay fungi, in order to find new bioactive natural products. Thechemical composition of essential oils extracted by hydrodistillation from the aerial parts of Thymus bleicherianus Pomel andThymus capitatus (L. Hoffm. & Link was analyzed by GC and GC-MS. The major components of T. bleicherianus oil wereα-terpinene (42.2% and thymol (23.9%. Carvacrol (70.92% was the predominant constituent in the essence of T. capitatus.Minimal inhibitory concentrations of the essential oils added to malt agar medium in defined concentrations were determinedby a screening test with the agar dilution method. The oils, object of the survey, showed a strong antifungal activity againstall tested fungi.

  14. French Committee of Butane and Propane. 2006 activity report; Comite francais du butane et du propane. Rapport d'activite 2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    This document presents the 2006 highlights of the French LPG fuels industry: 1 - presentation of the CFBP association and promotion of the LPG industry; 2 - share of LPG fuels in the French energy mix; 3 - improvement of energy efficiency in the residential sector; 4 - advantages of LPG fuels; 5 - safety aspects. (J.S.)

  15. French Committee of Butane and Propane. 2005 activity report; Comite francais du butane et du propane. Rapport d'activite 2005

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    This document presents the 2005 highlights of the French LPG fuels industry: 1 - presentation of the CFBP association and promotion of the LPG industry; 2 - information about the LPG fuels advantages; 3 - LPG market; 4 - CFBP's commitments for end-users, professionals and public authorities: energy efficiency improvement, environment protection, energy supply of French rural towns, safety improvements. (J.S.)

  16. Report of Activity, 1996 - 1997. Vol. 1. Experimental Research Division; Rapport d`activite 1996 - 1997. Tome 1. Division de Recherche Experimentale

    Energy Technology Data Exchange (ETDEWEB)

    Brunelle, Alain; Morlet, Marcel; Hutin, Christiane [eds.] [Inst. de Physique Nucleaire, Paris-11 Univ., 91 - Orsay (France)

    1999-11-01

    This report presents the activity of Experimental Research Division of the Orsay Institute of Nuclear Physics on 1996 - 1997. The following 10 sections are represented through summary reports or short communications: 1. Nuclear structure far from stability (with the topics: 1.1. Exotic nuclei -Secondary beams of radioactive ions; 1.2. On-line spectroscopy; 1.3. Discrete high-spin states); 2. High excitation energy nuclear states; 3. Nuclear matter and nucleus-nucleus collisions (which includes 3.1. Evolution of reaction mechanisms from 10 to 150 MeV/u; 3.2. Hot nuclei; 3.3. Ultra-relativistic collisions); 4. Hadronic physics (with the topics: 4.1 Meson production; 4.2. Spin modes in nuclei; 4.3. Hadronic physics with electromagnetic probes); 5. Radiochemistry (with the sub-divisions: 5.1. Studies related to radioactive waste management; 5.2. Optical spectroscopy of actinide and lanthanide ions in solid media); 6. Inter-disciplinary research (with the topics: 6.1. Heavy ion and cluster interactions with matter and surfaces; 6.2. Medical imaging); 8. Teaching; 9. Publications - Conferences - Seminars; 10 Internal reports - Lectures - Theses - Patents. The scientific staff of the following groups is also presented: 1. Group of Nuclear Structure by Reactions; 2. Group of Heavy Ion Nuclear Physics; 3. Intermediary Energy Group; 4. Hadron Physics Group; 5. Nuclei-Ions-Matter Group; 6. Radiochemistry Group; 7. Group of Exotic Deformed Nuclei; 8. Group of Physics-Biology Interface

  17. Annual report 1999. Department of wastes disposal and storage; Rapport annuel d'activite 1999. Departement d'Entreposage et de Stockage des Dechets

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    This annual report presents the organization, the personnel, the collaborations, the scientific researches and the publications of the Department of wastes disposal and storage of the CEA. A thematic presentation of the research and development programs is provided bringing information on the liquid effluents processing, the materials and solid wastes processing, the wastes conditioning, the characterization, the storage, the radionuclides chemistry and migration, the dismantling and the environment. (A.L.B.)

  18. Réseau de veille zoosanitaire des mollusques REPAMO - Rapport d'activité pour l'année 1997

    OpenAIRE

    Berthe, Franck; Pichot, Yves; Chollet, Bruno; Kuntz, Gregoire; Tige, Gilbert; Thebault, Anne; Fleury, Pierre-gildas; Hirata, Toshio; Le Coguic, Yvette; Renault, Tristan; Lipart, Cecile; Grizel, Henri; Joly, Jean-pierre; Mazurie, Joseph; Baud, Jean-Pierre

    1998-01-01

    Le réseau de veille zoosanitaire des mollusques, REPAMO, a été créé en 1992 afin de protéger les espèces d'intérêt économique des maladies susceptibles de les affecter. En effet, de même que les autres productions animales, la conchyliculture est frappée par diverses maladies dont certaines se comportent comme des facteurs limitants de la qualité ou de la quantité des productions. L' histoire de l'ostréiculture française a connu de tristes expériences en la matière, notamment dans les années ...

  19. {sup 124}Sb - Activity measurement and determination of photon emission intensities; {sup 124}Sb - Mesure de l'activite et determination des intensites photoniques

    Energy Technology Data Exchange (ETDEWEB)

    Be, M.M.; Chauvenet, B.

    2009-07-15

    The international traceability of antimony 124, in term of activity, is very limited. The results of {sup 124}Sb activity measurements sent to the SIR (BIPM - International System of Reference, BIPM.RI(II)-K1.Sb-124.) are scarce. Up to now, only three laboratories have contributed. Two of them carried out measurements using the 4pibeta-gamma coincidence counting technique and the third one using the 4pigamma method with a well-type crystal detector. The first two results are in agreement but the last one differs significantly from them, by 2 %. The decay scheme consistency cannot be excluded when trying to explain those discrepancies. In other respects, this nuclide emits high-energy gamma rays, and then could be selected as a valuable standard radionuclide for the calibration of gamma-ray detectors in that energy range, given well known photon intensities. Those considerations led to the proposal of an international exercise and to the realisation of this Euromet project, registered as project no. 907, coordinated by CEA-List-LNE/LNHB. The first part of this exercise was dedicated to activity measurements and to their comparison. For this purpose, participants were asked to make use of all the direct measurement techniques available in their laboratory in order to confirm or not the existence of possible biases specific to some measuring methods. In addition, this exercise offered the opportunity of improving the uncertainties of the gamma-ray intensities. Then, participants were asked, in the second part of the exercise, to carry out X-ray and gamma-ray intensity measurements. These results have been compared to previous published values and new decay scheme data are proposed. Eight international laboratories participated in this exercise. (authors)

  20. Commission for Energy regulation (CRE) - Activity report june 2008; Commission de regulation de l'energie (CRE) - Rapport d'activite juin 2008

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-07-01

    CRE is the French commission for energy regulation. CRE's remit is to assist in ensuring the proper operation of the electricity and natural gas markets for the benefit of the end-user. In particular, CRE ensures that the conditions of access to electricity and natural gas transmission and distribution systems do not hinder the development of competition. It monitors, for the electricity and natural gas sectors, all transactions made between suppliers, traders and producers, all transactions made on the organised markets and cross-border trading. It ensures that suppliers, traders and producers propose offers that are consistent with their financial and technical constraints. It monitors the implementation of and compliance with regulations giving consumers the right to choose their supplier in a competitive market, and allowing new suppliers to enter the market. This document is the 2008 activity report of CRE. Content: A - How CRE works: CRE regulatory authority and organisation: Powers, Organisation; Budget resources; Personnel; B - The Standing Committee for Dispute Settlement and Sanctions (CoRDiS) activity: Admissibility, Authority; C - Building a single European energy market: Overview; Organisation and coordination of the main European regulators (Work carried out collectively by European regulators, Regulator organisation and development, CRE's relations with European Community institutions, Development of CEER activities outside the European Union); CRE's European activities (The contribution of European regulators to the Third Energy Package, Integration of gas markets, Integration of electricity markets, Operation of the European interconnected electricity grid and security of supply, Opening up markets to benefit consumers); European Community activities (The European Commission's proposals for the internal energy market: the Third Energy Package, The European Commission's proposals for fighting climate change: the Climate Package, Infringement proceedings initiated against France by the European Commission); D - CRE action at national level: Regulation of systems and infrastructures (General information, Electricity grids, Natural gas networks and other infrastructures); Electricity and natural gas markets (Changes in the regulatory and legislative context, Electricity markets, Natural gas markets, Monitoring open market operations); Support measures: electricity generation, vulnerable customers and TaRTAM (Supporting cogeneration and renewable energy sources, Public electricity service costs, Collection of public electricity service contributions (CSPE), TaRTAM-related costs, Costs related to the special solidarity tariff for natural gas supply); E - Appendices: Glossary, Acronyms, Council of European Energy Regulators, Units and conversions.

  1. Commission of energy regulation. 2004 activity report; Commission de regulation de l'energie. Rapport d'activite 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    The commission of energy regulation (CRE) is an independent administrative authority in charge of the control of the operation of gas and electricity markets. This document is the fifth activity report of CRE and covers the July 1, 2003 - June 30, 2004 period, which corresponds to the era of opening of energy markets as a consequence of the enforcement of the June 26, 2003 European directive. In the framework of the stakes made by energy markets liberalization, this document presents the situation of the gas and electricity markets during this period (European framework, regulation of both markets, public utility mission..) and describes CRE's means for the monitoring of these markets. (J.S.)

  2. Annual report 2000. Department of wastes disposal and storage; Rapport annuel d'activite 2000. Departement d'Entreposage et de Stockage des Dechets

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This annual report presents the missions, the organization, the researches progress, the events, the publications and the personnel formation of the Department of wastes disposal and storage in the year 2000, one of the CEA fuel cycle Direction. (A.L.B.)

  3. La relance des activités de biométrie au sein de la recherche agronomique zaïroise

    Directory of Open Access Journals (Sweden)

    Kizungu, V.

    1996-01-01

    Full Text Available The Revival of Biometrie Activities in the Zairean Agricultural Research. This paper gives an overview of biometrie activities in the Zairean agricultural research. Biometrie methods were introduced by INEAC in 1953. The activities were discontinued in 1960 and then started again in 1990. The paper also provides new perspectives.

  4. Commissioning of the very low level radioactive waste disposal facility; Mise en service du Centre de stockage de dechets de tres faible activite

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-08-01

    This press kit presents the solution retained by the French national agency of radioactive wastes (ANDRA) for the management of very low level radioactive wastes. These wastes mainly come from the dismantling of decommissioned nuclear facilities and also from other industries (chemical, metal and other industries). The storage concept is a sub-surface disposal facility (Morvilliers center, Aube) with a clay barrier and a synthetic membrane system. The regulatory framework, and the details of the licensing, of the commissioning and of the environment monitoring are recalled. The detailed planing of the project and some exploitation data are given. (J.S.)

  5. G8 global partnership. 2004-2005-2006 activity report; Partenariat mondial du G8. Rapport d'activite 2004-2005-2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    The Global Partnership Against the Spread of Weapons and Materials of Mass Destruction was launched by the heads of state and government of the G8 at the G8 summit in Kananaskis in June 2002. Fourteen other countries have since joined this G8 initiative. The aim of this partnership is to 'prevent terrorists, or those who harbor them, from acquiring or developing nuclear, chemical radiological and biological weapons, missiles, and related materials, equipment and technology'. Within the framework of the Partnership, the participants have agreed to support cooperation projects, starting with Russia, to promote non-proliferation, disarmament, the fight against terrorism and nuclear safety. The destruction of chemical weapons, the dismantling of decommissioned nuclear submarines, the disposal of fissile materials and the employment of former weapons scientists are among the priority concerns expressed. Ukraine has also been a beneficiary of this partnership since 2004. The participants in this initiative have agreed to contribute up to 20 billion dollars (up to 750 million euros from France) to support these projects over a period of ten years from 2002. A group of experts from the G8 on the Global Partnership (the GPWG = Global Partnership Working Group) meets regularly and gives an account of the progress made with this initiative in its annual report to the G8. These annual reports are published at the G8 summits. This document is the 2004 to 2006 activity report of the G8 global partnership.

  6. The storage center of short life low and intermediate level radioactive wastes; Le centre de stockage des dechets de faible et moyenne activite a vie courte

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-07-01

    Situated at 50 km of Troyes, the Aube Center was opened in 1992 in order to take over from the Manche Center, for the surface storage of low life low and intermediate level radioactive wastes. It offers an answer to manage safely theses wastes at an industrial scale during 50 years. (A.L.B.)

  7. The exposures to natural radioactivity as a result of human activities; Les expositions a la radioactivite naturelle du fait des activites humaines

    Energy Technology Data Exchange (ETDEWEB)

    Rannou, A.; Dupuis, M.; Bottollier-Depois, J.F.; Leprieur, F.; Pasquier, J.L.; Doremus, P.; Pierre, J.P. [Institut de Radioprotection et de Surete Nucleaire, 92 - Clamart (France); Bernhard, S. [ALGADE, 87 6 Bessines sur Gartempe (France); Delporte, V. [Drection Generale de la Surete Nucleaire et de la Radioprotection, 75 - Paris (France); Servent, J.P. [Institut National de Recherche et de Securite, 75 - Paris (France); Marchand, D. [DRASS Bretagne (France); Dupuis, M.; Bottollier-Depois, J.F.; Leprieur, F.; Pasquier, J.L.; Doremus, P.; Pierre, J.P. [Institut de Radioprotection et de Surete Nucleaire, 92 - Clamart (France); Surbeck, H. [Neuchatel Univ. (Switzerland); Degrange, J.P. [Centre d' Etude sur l' Evaluation de la Protection dans le Domaine Nucleaire, 92 - Fontenay aux Roses (France)

    2005-07-01

    The new regulation in matter of radiation protection, coming from the transposition of the European directive 96/29/EURATOM modifies the code of the public health and the labour code. The exposures to natural radioactivity by the very fact of human activities are the object of specific dispositions. These new dispositions apply to professional areas that were, until now, little concerned by the regulation relative to ionizing radiations. The S.F.R.P., in relationship with the Minister in charge of labour, and the A.F.T.I.M. (French organisation of safety technicians and engineers and labour physicians) organizes two days of information and exchange on the subject. This meeting concerns industry and research departments but also inspectors and labour physicians and other actors having a look on the risk management in societies. After some reminder on radioactivity and its effects, the regulation and the global risk management on working place, several actual examples are presented, covering the different known situations of exposure to the natural radioactivity ( radon, cosmic rays, use of radioactive material in an industrial process, production of radioactive waste). The days finish by a round table conference on the stakes and practical entailment of the new regulation. (N.C.)

  8. Adapte, ou comment aider l'enseignant à proposer des activités personnalisées à chacun de ses élèves

    OpenAIRE

    Lefevre, Marie; Jean-Daubias, Stéphanie; Guin, Nathalie

    2012-01-01

    Session "Démo"; National audience; Le logiciel Adapte a été développé dans le cadre d'un projet de recherche en EIAH (Environnements Informatiques pour l'Apprentissage Humain) : le projet PERLEA [1]. Ce logiciel est intégré à l'environnement EPROFILEA qui vise à assister les enseignants dans la gestion de profils d'apprenant. Un profil d'apprenant rassemble des indications sur l'apprenant sous la forme d'un ensemble d'informations caractérisant ses connaissances, compétences et/ou conceptions...

  9. Analyse de la nature constructiviste d'une activité d'apprentissage collaboratif médié par les TIC

    Directory of Open Access Journals (Sweden)

    Nancy Brousseau

    2003-10-01

    Full Text Available Abstract. In this article we examine an example of collaborative learning with ICT in secondary school science, in order to analyse its characteristics and determine if they answer criteria for an activity of constructivist nature. We retain that constructivism places the student at the centre of her learning; opposes the notion of learning as transmission of knowledge; requires an active participation of the learner who must build and reconstruct, individually and collectively, her knowledge in order to solve a problem or realise a project. In light of these criteria, we conclude that an activity such as the TACTICS project one, can be considered of a constructivist nature.

  10. Activités biologiques du Seigle et du Sorgho chez le rat « Wistar » rendu diabétique par la Streptozotocine

    OpenAIRE

    MAMI, épouse SOUALEM Zoubida

    2015-01-01

    Le changement des habitudes alimentaires au cours de ces dernières années a abouti à l’apparition des maladies dites de civilisations, entre autre le diabète sucré caractérisé par une hyperglycémie courante causée par un déficit de sécrétion de l’insuline ou résistance cellulaire à l’insuline. Des approches diéto-thérapeutiques privilégient la consommation des produits céréaliers sous la forme la plus complète possible. Le Sorgho (Sorghum bicolor L.), espèce très connue comme source important...

  11. Micellisation et activité de surface des bromures de n-alkyltriméthylammonium en milieu eau-acide orthophosphorique

    Science.gov (United States)

    Ouni, S.; Hafiane, A.; Dhahbi, M.

    1998-05-01

    Measurements of superficial tension of n-alkyltrimethylammonium bromides in air/water-orthophosphoric acid interface have been made by “stripping method". Data were evaluated by approximation to the Von Szyszkowski equation. Thermodynamic parameters as (Γmax, F, A, B, Δ G^circ_A, Δ GM and CMC) at different concentrations of orhophosphoric acid (0 at 3 M) are calculted. The CMC values of the homologous series in relation to the chain length were determined. They showed a good correlation with the Klevens equation. A minimum of CMC and (-ΔGM) was observed for the n-octadecyltrimethylammonium bromide, which has been attributed to the cosolvant effect and the change of medium properties. L'adsorption, de bromure de n-alkyltriméthylammonium à l'interface air/eau-acide orthophosphorique, a été étudiée par la mesure de tension superficielle en fonction du nombre d'atomes de carbone du groupement alkyle et de la concentration en acide orthophosphorique (0 à 3 M). L'analyse des résultats a été effectuée à l'aide de l'équation de Von Szyszkowski. Les grandeurs et paramètres thermodynamiques (Γmax, F, A, B, Δ G^circ_A, Δ GM and CMC) ont été déterminés et discutés selon l'équilibre de forces de répulsion électrostatique entre les têtes polaires et d'attraction hydrophobe des chaînes aliphatiques. Les valeurs des CMC obéissent à l'équation de Klevens. Dans le cas du bromure de n-octadécyltriméthylammonium les valeurs de la CMC et de (-ΔGM) présentent un minimum, attribué au changement des propriétés du binaire eau-acide orthophosphorique.

  12. The internationalization of the technological activities in the energy industries; L'internationalisation des activites technologiques dans les industries energetiques

    Energy Technology Data Exchange (ETDEWEB)

    Bourgeois, B. [Institut d' Economie et de Politique de l' Energie - IEPE-CNRS/ Universite Pierre Mendes-France, 38 - Grenoble (France); Jacquier-Roux, V. [Institut de Recherche Economique sur la Production et le Developpement -IREPD, 38 - Grenoble (France)

    2001-06-01

    This analysis of the technological internationalization factors is defined in five chapters. The first chapter deals with the evolutionist representation of the internationalization process of the technological activities of the firms. The chapter two is an historical synthesis from 1985 to 2000, of the industrial dynamics and of the technological strategies of the petroleum and electric power industries. The chapter three details the empirical method used to verify the hypothesis. Chapter four exposes the data analysis results of the patents of the sampled firms. The last chapter is devoted to the results interpretation. (A.L.B.)

  13. La procédure de data-room dans la vente d'immeubles affectés à une activité commerciale.

    OpenAIRE

    Faurel, Maxime

    2014-01-01

    Regarding the legal aspect, the data room procedure is divided into two phases. The first one, a pre-contractual phase, will oblige the bidders to determine the value of the property following a due diligence process of each of its components (legal, financial, tax …), and then to provide a binding offer at an agreed date. The second phase, the contractual one, will allow the bidder selected by the seller to finalize, by the drafting of a call option and a deed, the conditions of completion o...

  14. Influence de l’ordinateur sur l’activité d’enseignement. Le cas d’une situation en Technologie au collège

    Directory of Open Access Journals (Sweden)

    PATRICE LAISNEY

    2011-07-01

    Full Text Available The research focuses on the teaching- learning process about technological education of information and communication technology (ICT. This involves analysing school organizations implemented and the process of transmission - appropriation of knowledge relating to the use of computers by students. This concerns the development process of objects of knowledge, particularly through the construction and handling of artefacts.

  15. Aperçu sur la composition phytochimique et les activités biologiques de Retama monosperma L Bois. (Fabacée

    Directory of Open Access Journals (Sweden)

    BELMOKHTAR Zoubir

    2016-06-01

    Full Text Available An overeview on phytochemical composition and biological activities of Retama monosperma L Bois. (Fabaceae The phytochemical study of Retama monosperma is little discussed in Algeria. This article is a summary of the data and scientific articles published on these phytochemicals properties. In traditional herbal medicine, this species is considered toxic in high doses, but in small doses, it is used as an emetic, purgative, vermifuge, vulnerary, sedative, anthelmintic and antiseptic Alkaloids, flavonoids and terpene compounds are the main phytochemicals known in Retama monosperma. In the last five years, several scientific studies have been published to explain the activity of the extracts of this species, particularly anti - inflammatory, anticancer and antioxidant.

  16. Research Progress on Biological Activites of Lichens Secondary Metabolites%地衣次生代谢物生物活性的研究进展

    Institute of Scientific and Technical Information of China (English)

    古丽加汗·沙吾提; 阿不都拉·阿巴斯

    2007-01-01

    Lichens are a world-wide spread consortium of fungal and photosynthetic partners. Lichens produce a wide array of both primary and secondary metabolites (lichen substances). The lichen substances may be classified into the following groups: aliphatic lichen substances,aromatic lichen substances and carbohydrates (polysaccharides). Lichen metabolites exert a wide variety of biological actions including antibiotic, antimycobacterial, antiviral, antiinflammatory, analgesic, antipyretic, antiproliferative and cytotoxic effects. This paper mainly reviews research progress of studies on biological activities of lichens secondary metabolites including chemistry of lichen substances,the possible roles of lichens secondary metabolites in nature and biological activities of lichens secondary metabolites particular attention is paid to some secondary metabolites of lichens,focusing on a number of its biological activities in different fields.%地衣是一种真菌与藻类的共生体,是广泛分布于世界各地.地衣可以产生很多初生和次生代谢物(地衣物质).地衣物质分为脂肪族地衣物质,芳香族地衣物质和碳水化合物(多糖类)等几个组.地衣代谢物用于一系列各种各样的生物学行为包括抗生素、抗细菌、抗病毒、抗炎、止痛、除虫、抗增殖和细胞毒性效应等.本文主要综述了地衣次生代谢物的化学分类,地衣次生代谢物在自然界中的重要作用,地衣次生代谢物的生物活性等几个方面,并集中综述了有些重要地衣次生代谢物及其在不同领域中的几种生物活性问题.

  17. Cristallochimie et réactivité de surface d'amphiboles fibreuses d'intérêt environnemental et sanitaire

    OpenAIRE

    Pacella, Alessandro

    2009-01-01

    This work concerns the physico-chemical and structural characterisation of mineral fibres (asbestos) and the comprehension of the chemical and molecular mechanisms which are responsible of the development of human pathologies specific to their inhalation. In particular, in this work we performed a crystallochemical and surface reactivity study of floro-edenite, a natural amphibole of volcanic origin recently discovered in Biancavilla (Sicily, Italy). The properties of this mineral were compar...

  18. The very-low activity waste storage facility. A new waste management system; Le centre de stockage des dechets de tres faible activite. Une nouvelle filiere de gestion

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    Very-low activity wastes have a radioactivity level close to the natural one. This category of waste is taken into consideration by the French legislation and their storage is one of their point of achievement. This document gives a complete overview of the principles of storage implemented at the storage center for very-low activity wastes (CSTFA) sited in the Aube departement in the vicinity of the storage center for low- and intermediate activity wastes: storage concept, wastes confinement, center organization, environmental monitoring. (J.S.)

  19. Direction in charge of the management of wastes. 1998 activity report; Direction chargee de la gestion des dechets. Rapport d'activite 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    This document is the 1998 activity report of the direction in charge of the management of radioactive wastes (DGD) of the French atomic energy commission (CEA). The role of the DGD is the elimination of radioactive wastes, the management of spent fuels, the cleansing and dismantling of shut-down and decommissioned installations at the CEA. This report summarizes the highlights of the 1998 year: the cleansing plan of the CEA (current policy, plan scheme, quality assurance, financing, public relation); the radioactive wastes (general considerations, management of liquid and solid effluents, management of sealed sources, modernization of equipments and new projects, relations with the Andra, studies in progress); the spent fuels (general considerations, solutions, long-term storage); the dismantling of shut-down installations (general considerations about decommissioning, dismantling actions at the CEA, main works performed, dismantling actions in progress); the management of wastes at the CEA-direction for military applications (DAM); the cleansing of the CEA-Marcoule site; 1998 status of the management of wastes (appendix). (J.S.)

  20. Abondance et distribution des grands singes et des activités humaines dans le Parc National de Campo Ma'an, Sud Cameroun

    Directory of Open Access Journals (Sweden)

    Tchamba, MN.

    2015-01-01

    Full Text Available Abundance and Distribution of Great Apes and Human Activities in the Campo Ma'an National Park, South Cameroon. The Campo Ma'an National Park (CMNP located in South Cameroon, has a rich biodiversity and is part of the priority areas of the Central Africa Network of Protected Areas. In order to improve the knowledge on great apes in this park, an inventory was conducted between October and November 2011 using the linear transect technique. In total, 103 transects, 2.5 km each, were established and surveyed. The results of the study confirm the presence of the two species of great apes in the CMNP, chimpanzees (Pan troglodytes troglodytes and gorillas (Gorilla gorilla gorilla. The inventory suggested that chimpanzees had a nest density of 0.158 nest∙km-2, allowing an estimated density of 0.555 indiv.km-2, for a total population estimated at 1466 animals weaned throughout the Park. Chimpanzees were mainly located in the northern part of the Park, near the hilly area of Niété. Gorillas had an estimated average encounter rate of 1.080 sign per km. They also appeared to be more concentrated around the area of Niété. Poaching was the preferred type of human activity in the Park and was located in the northern part of the Park. It is strongly recommended to implement the results of this study by performing regular surveys, about every 3 months, in order to monitor the demography of the great apes populations in the Park.

  1. Monitoring of the radiological environmental impact of the AREVA site of Tricastin; Suivi de l'impact radiologique environnemental des activites du site AREVA du Tricastin

    Energy Technology Data Exchange (ETDEWEB)

    Mercat, C.; Brun, F.; Florens, P.; Petit, J. [AREVA NC Pierrelatte, Direction surete environnement du site du Tricastin, 26 (France); Garnier, F. [EURODIF Production, Direction qualite securite surete environnement, 26 (France); Devin, P. [AREVA NC Pierrelatte, Direction surete, sante, securite, environnement, 26 (France)

    2010-06-15

    Set up at the beginning of the site's operations, in 1962, the monitoring of the radiological environmental impact of the AREVA site of Tricastin has evolved over time to meet more specifically the multiple objectives of environmental monitoring: to prove the respect of the commitments required by the authorities, to be able to detect a dysfunction in the observed levels, to enable the assessment of impacts of industrial activities, to ensure the balance between environmental quality and the use made by the local population and to inform the public of the radiological state of the environment. Thousands of data were acquired on the radioactivity of all environmental compartments as well as on the functioning of local ecosystems. Today, the Network of Environmental Monitoring of AREVA Tricastin goes beyond the requirements of routine monitoring to provide innovative solutions for monitoring the radioactivity (especially for uranium) in the environment. (author)

  2. Interleukin 6 modulates acetylcholinesterase activity of brain neurons; Effet de l`interleukine 6 sur l`activite de l`acetylcholinesterase des neurones centraux

    Energy Technology Data Exchange (ETDEWEB)

    Clarencon, D.; Multon, E.; Galonnier, M.; Estrade, M.; Fournier, C.; Mathieu, J.; Mestries, J.C.; Testylier, G.; Fatome, M.

    1995-12-31

    Classically, radiation injuries results in a peripheral inflammatory process, and we have previously observed an early systemic interleukin 6 (IL-6) release following whole-body irradiation. Besides, we have demonstrated an early decrease of rat or primate brain acetylcholinesterase (AChE) activity a gamma exposure. The object of the present study is to find possible IL-6 systemic effects on the brain AChE activity. We show that, though intravenous (i.v.) or intra-cerebro-ventricular (ICV) injection of IL-6 can induce a drop in rat brain AChE activity, this cytokine induces only a slight decrease of the AChE release in cultured brain cells. (author). 3 refs.

  3. La vaccination comme activité préventive dans une unité de médecine familiale

    OpenAIRE

    de Courval, Louise Poulin; Fontaine, Denise; Morin, Jean-Jacques; Dufour, Yvon

    1983-01-01

    Because we are concerned with the teaching of preventive medicine to residents in family medicine, we decided to implement a vaccination study to evaluate residents' efficacy in preventing infectious diseases. After collecting each patient's past history of infectious diseases and vaccination the residents completed the necessary vaccination according to protocol, over one year. We used the one-tail hypothesis test of proportion to verify significant differences in the proportion of patients ...

  4. L’utilisation des prises de notes dans le cadre d’une activité scientifique chez les enfants de 5 à 12 ans

    Directory of Open Access Journals (Sweden)

    Spyridon Tantaros

    2016-01-01

    Full Text Available La investigación cualitativa presentada en este artículo tiene como objetivo estudiar la toma de notas en los niños de 5 a 12 años como un medio de comunicación con el otro. La situación experimental, consistía en una actividad relativa a las nociones de flotación/inmersión de los objetos. Los niños debían, después de haber trabajado la actividad ellos mismos, tomar notas sobre una hoja con el objetivo de que otro niño pudiera trabajar en el marco de esta misma actividad. Los resultados obtenidos parecían sustentar la idea que los niños de la prueba responden a la petición de tomar notas con éxito y con una clara tendencia a utilizar, según la edad, la escritura, lo que muestra la influencia de la actividad como situación escolar. Se observó también un aumento de los apuntes de acuerdo a la edad de los niños.

  5. Combiner suivi de l'activite? et partage d'expe?riences en apprentissage par projet pour les acteurs tuteurs et apprenants

    CERN Document Server

    Michel, Christine

    2010-01-01

    Our work aims to study tools offered to students and tutors involved in face-to-face or blended project- based learning activities. Project-based learning is often applied in the case of complex learning (i.e. which aims at mak- ing learners acquire various linked skills or develop their behaviours). In comparison to traditional learning, this type of learning relies on co-development, collective responsibility and co-operation. Learners are the principal actors of their learning. These trainings rest on rich and complex organizations, particularly for tutors, and it is difficult to apply inno- vative educational strategies. Our aim, in a bottom-up approach, is (1) to observe, according to Knowledge Management methods, a course characterized by these three criteria. The observed course concerns project management learning. Its observation allows us (2) to highlight and to analyze the problems encountered by the actors (students, tutors, designers) and (3) to propose tools to solve or improve them. We particul...

  6. Organizarea şi finanţarea activităţii de cercetare într-o companie transnaţională. Studiu de caz

    Directory of Open Access Journals (Sweden)

    Henriette Szilágyi

    2012-03-01

    Full Text Available Globalization, defined as an international system based on: the integrationist trend, the interconnection between markets, nation-states and technologies to an unprecedented level, is founded on two key global players – international economic organizations and transnational corporations. At the beginning of XXI century, transnational companies are regarded as one of the biggest challenges for the current economic international order, because their decisions influences a large national economies. Constantly, during the last years Lafarge has been classified among "The Most Sustainable 100 Corporations in the world." Through its major research center, specialized in building materials, Lafarge places innovation on the top of its priorities, in order to ensure sustainable construction and architectural creativity.

  7. Le travail multi-prescrit des enseignants en milieu scolaire : analyse de l’activité d’une professeure d’école stagiaire

    OpenAIRE

    Méard, Jacques; Bruno, Françoise

    2008-01-01

    Le développement des fonctions psychiques du sujet en situation de travail est ici conçu à travers l’intériorisation de signes culturels. Le développement des savoirs de l’enseignant est ainsi envisagé à partir de signes externes à intérioriser. Or, les enseignants sont confrontés à une multiplicité de prescriptions, ce qui place le concept de conflit intra-psychique au centre de la compréhension du travail enseignant. L’article vise à mesurer les effets de cette multi-prescription sur l’acti...

  8. Nuclear medicine department activity facing major public health challenges in France; Activite des services de medecine nucleaire face aux grands enjeux de sante publique en France

    Energy Technology Data Exchange (ETDEWEB)

    Baulieu, J.L. [Hopital Bretonneau, CHU de Tours, Unite de Medecine Nucleaire, 37 - Tours (France); Mundler, O. [CHU la Timone, Service Central de Biophysique et Medecine Nucleaire, 13 - Marseille (France)

    2007-12-15

    A national survey was made at the 2008 la Baule Symposium 'nuclear medicine facing major public health challenges'. The aim was to evaluate the activity in the fields of clinical specialities involved in these challenges : cancerology, cardiology and neurology. The response rate was 62%. The total number of PET scans performed in France during the year 2007 was about 100,000 including 97.5% of cancer indications. The mean number of PET scans per center was 1285, with a maximum of 3500 scans. The first indications were lung cancer (27%), lymphoma (20%) and colorectal cancer (14%). The registered number of cardiac examinations was 170,387 extrapolated to a total number of about 250,000 examinations in one year. The number of registered brain SPECT was 11,215 corresponding to about 100 examinations per center in one year. The survey pointed out large variations of PET activity between centers and suggested potentialities in extending and diversifying the field of PET. Brain scintigraphy appeared as a minor sector out of proportion with the challenge of degenerative brain pathology. Performing again these evaluations in the next years should allow to better describe the capabilities of nuclear medicine to face the major challenges and the evolution of public health.

  9. activité du laitier de hauts fourneaux d'Annaba (Algérie) en substitution partielle du ciment

    Science.gov (United States)

    Behim, M.; Redjel, B.; Jauberthie, R.

    2002-07-01

    Iron industry provides blast-furnace slag production as waste. Blast-furnace slag are made of non ironic elements, flux and coke ash. These elements might have binding properties such as cement. Usually, only blastfurnace slag chemical composition is considered to evaluate its quality as a binder. Other properties such as crystal phases amount, grading, specific area or temperature are not considered Some studies have shown that binding properties exist when the blast-furnace slag is quenched and crushed in very fine grains, and that an increase of the temperature has a benefit aspect on the kinetic of the reaction. We have used X ray diffraction, SEM observations with micro analysis on different samples of blast-furnace slag that undergone different cure modes. At low temperature, only non complete crystal phases appear. At room temperature, calcium sulphate and hydrated aluminium sulphate (ettringite) exist such as for Portland cement while setting. Under a steam curing mode, there is very few lime in the blast-furnace slag because lime has reacted with silicate, therefore there is much more CSH in the binder. No ettringite can be detected, on the other hand, the steam curing mode produce formation of hydrated calcium aluminate. Les laitiers de haut fourneau sont des sous produit de l'élaboration de la fonte. lis sont formés de constituants non ferreux, des fondants et des cendres de coke. Leur composition chimique laisse présager des propriétés liantes comme celles que l'on obtient avec les ciments. Les qualités hydrauliques de ces matériaux sont actuellement estimées par des calculs basés sur leur composition chimique. Elles ne tiennent pas compte d'autres paramètres tels que le caractère vitreux ou cristallin, la granulométrie ou la surface spécifique, la température entre autres. Les propriétés liantes apparaissent lorsque le laitier est trempé et broyé très finement, la température augmentant la cinétique. Les produits formés analysés par diffraction X et observés au MEB couplé à une micro analyse sont, pour des températures faibles, des phases semi cristallines. Dans les produits étuvés, la chaux est en plus faible quantité, elle a réagi avec la silice: les CSH sont en plus grande quantité. Le sulfate de calcium et d'aluminium hydraté (ettringite) apparaît à température ambiante comme dans le cas de la prise des ciments Portland mais est absente dans le ciment au laitier étuvé. A l'inverse, la formation de l'aluminate de calcium hydraté est favorisée par l'étuvage.

  10. Contribution à l’étude de l’activité antibactérienne du miel naturel d’origine marocaine

    Directory of Open Access Journals (Sweden)

    O. BELHAJ

    2016-12-01

    Full Text Available Eight samples of natural Moroccan honeys were tested for their antimicrobial effect, at the concentrations of 100, 75, 50 and 25%, on three bacterial strains, Escherichia coli, Staphylococcus aureus and Salmonella spp. The Agar diffusion method showed that the concentrations tested of orange honey, oregano honey, multiple flowers honey and spurge honey, have inhibited S. aureus growth, except the orange honey which expressed practically no inhibition at the concentration of 25%. With this concentration, the carob honey have shown a low inhibition activity on E. coli growth. However, Eucalyptus, Asparagus, Carob and Tadla flowers honeys showed no inhibition effect on E.coli. All honeys have demonstrated a prominent antibacterial effect on Salmonella and E. coli at the tested concentrations. The liquid-medium tests reveal that the various honeys affect unequally the three strains growth. In most cases, the inhibitory potency was very pronounced (98% Inhibition at the concentration of 100% and 75%. The S. aureus growth was the least inhibited at the concentration of 25%. Likewise, most of the honeys showed an E. coli inhibition ranging from 60 to 80% at the concentration of 50%. The spurge honey registered the most inhibitory effect on Salmonella at all tested concentrations.

  11. INFLUENCE OF PRE OPERATIVE PHYSICAL THERAPY EDUCATION AND EXERCISE ON POST OPERATIVE SHOULDER RANGE OF MOTION AND FUNCTIONAL ACTIVITES IN SUBJECTS WITH MODIFIED RADICAL MASTECTOMY

    Directory of Open Access Journals (Sweden)

    Y. Lokapavani

    2014-10-01

    Full Text Available Background: Modified radical mastectomy is a frequent surgery employed as a therapeutic procedure in patients with breast carcinoma with involvement of axillary lymph nodes. Many patients suffer from severe shoulder complaints after axillary lymph node dissection even with postoperative rehabilitation. Pre-operative exercise and education are recommended to reduce the incidence of breast cancer related upper limb dysfunction; it will shorten the recovery time. The objectives of the study are to determine the influence of pre-operative physiotherapy on shoulder ROM using goniometer in subjects with modified radical mastectomy and to determine the influence of pre-operative physiotherapy on functional activities using shoulder pain and disability index (SPADI in subjects with modified radical mastectomy. Methods: 30 Subjects of adult women included in the study who met the inclusion criteria, divided into 2 groups. Experimental Group received preoperative physical therapy education and exercises 1-2 weeks before surgery and routine physical therapy protocol after surgery. Control Group received standard education brochure preoperatively and routine physical therapy post operatively. Measurements included shoulder ROM and functional evaluation using goniometer and SPADI. Measurements were taken at baseline i.e., pre operatively, post operatively at 4th day after removal of drains, and 1month after surgery. Results: All measures were significantly reduced after surgery, but most recovered after 1month of surgery and attained functional level in experimental Group. Conclusion: This study provides experimental evidence that preoperative education and exercise influence the postoperative shoulder ROM and functional activities after modified radical mastectomy.

  12. Theoretical physics department, june 96-may 98 status report; Service de physique theorique, rapport d`activite juin 1996 - mai 1998

    Energy Technology Data Exchange (ETDEWEB)

    1998-12-31

    This status report presents the work done at SPhT (service de physique theorique, CEA) from june 96 to may 98. The topics have been classified into 3 themes: - statistical physics, - mathematical physics and field theory, - astrophysics, nuclear and particle physics. In the first theme relevant contributions have been made to phase transitions, correlated electronic systems, polymers, membranes, proteins, disordered systems and out of equilibrium processes. The second theme collects various works, some works dedicated to aleatory matrices and quantum chaos aim at developing investigation methods, other works like cord theories use these methods. As for the third theme, the recent discovery of the fluctuations of background cosmological radiation has fomented a great activity at SPhT. Mean field approximation and effective strength have been the starting point of research in the field of nuclear structure. High energy quantum chromodynamics has been applied to deep inelastic scattering where the proton structure is studied through electron-proton collisions. A list of all the publications made by SPhT is given. (A.C.)

  13. Proceedings of the public debate on the general options of management of high and intermediate activity and long-lived radioactive wastes; Compte-rendu du debat public sur les options generales en matiere de gestion des dechets radioactifs de haute activite et de moyenne activite a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-01-15

    The law from December 30, 1991, precisely defines 3 axes of researches for the management of high level and long-lived radioactive wastes: separation/transmutation, surface storage and underground disposal. A global evaluation report about these researches is to be supplied in 2006 by the French government to the Parliament. A first synthesis of the knowledge gained after 14 years of research has led the national commission of the public debate (CNDP) to organize a national debate about the general options of management of high-level and long-lived radioactive wastes before the 2006 date line. The debate comprised 4 public hearings (September 2005: Bar-le-Duc, Saint-Dizier, Pont-du-Gard, Cherbourg), 12 round-tables (October and November 2005: Paris, Joinville, Caen, Nancy, Marseille), a synthesis meeting (December 2005, Dunkerque) and a closing meeting (January 2006, Lyon). This document is a summary of the main questions tackled during this debate from its preparation to its closing meeting and dealing with: the acceptation of the debate, the progress of the debate, the socio-technical problem of gathering the different points to be debated with respect to the different areas in concern, the general questions about the overall nuclear wastes and materials (radioactivity, health, radioprotection, management, reprocessing, control, actors organization, knowledge sharing, perenniality of the financing), the specific questions about long-lived wastes (inventory, separation-transmutation feasibility, nuclear energy and energy policy, management solutions, storage and geologic disposal feasibility, impact of debates on the 2006 law, long-lived waste territories), the conclusions for the 2006 law: mastering the overall nuclear wastes and materials and step-by-step building up of a solution for long-lived wastes (difficulties, lessons learnt from foreign experience, first draft of the 2006 law). Some opinions expressed by some participants about these proposals conclude the document. (J.S.)

  14. Public debate on the general options relative to the management of high-medium activity and long-lived radioactive wastes; Debat public sur les options generales en matiere de gestion des dechets radioactifs de haute activite et de moyenne activite a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-09-15

    The law from December 30, 1991, precisely defines 3 axes of researches for the management of high level and long-lived radioactive wastes: separation/transmutation, surface storage and underground disposal. A global evaluation report about these researches is to be supplied in 2006 by the French government to the Parliament. A first synthesis of the knowledge gained after 14 years of research has led the national commission of the public debate (CNDP) to organize a national debate about the general options of management of high-level and long-lived radioactive wastes before the 2006 date line. This document presents the organizational aspects of the debate: origin, organization committee (mission, members, commitments), framework (the December 31, 1991 law, technical enlargement, society aspects), topics (summary of the debate in ten questions), organization modalities (4 main steps, schedule, venues), objectives and perspectives (sharing information, decision making processes to be implemented by 2006). (J.S.)

  15. Status of the public debate on the general options of management of high and intermediate activity and long-lived radioactive wastes; Bilan du debat public sur les options generales en matiere de gestion des dechets radioactifs de haute activite et de moyenne activite a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-01-15

    The law from December 30, 1991, precisely defines 3 axes of researches for the management of high level and long-lived radioactive wastes: separation/transmutation, surface storage and underground disposal. A global evaluation report about these researches is to be supplied in 2006 by the French government to the Parliament. A first synthesis of the knowledge gained after 14 years of research has led the national commission of the public debate (CNDP) to organize a national debate about the general options of management of high-level and long-lived radioactive wastes before the 2006 date line. The debate comprised 4 public hearings (September 2005: Bar-le-Duc, Saint-Dizier, Pont-du-Gard, Cherbourg), 12 round-tables (October and November 2005: Paris, Joinville, Caen, Nancy, Marseille), a synthesis meeting (December 2005, Dunkerque) and a closing meeting (January 2006, Lyon). This document is a status of the general organisation and progress of the debate from its preparing to its end in mid-January 2006. It shows the challenges the CNDP had to take up to treat the scientifical and technical questions in an accessible way, allowing the participation and the hearing of the large public. A status is made of the deception and satisfaction of the public. A lack of confidence in public authorities and scientists has been expressed several times. No pro-nuclear/anti-nuclear shock has occurred and the debate has revealed a remarkable richness in its content. One contribution of the debate to the future project of law is its enlargement to the overall nuclear wastes and valorizable materials and not only to the high/intermediate-level and long-lived wastes. (J.S.)

  16. Technological demonstrators. Researches and studies on the storage and disposal of long living intermediate level and high level radioactive wastes; Les demonstrateurs technologiques. Recherches et etudes sur le stockage et l'entreposage des dechets de haute activite et de moyenne activite a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-07-01

    This brochure presents the technological demonstrators made by the French national agency of radioactive wastes (ANDRA) and exhibited at Limay (Yvelines, France). These demonstrators, built at scale 1, have been an essential support to the establishment of the 'Dossier 2005' which demonstrates the feasibility of a reversible disposal of long living-intermediate level and high level radioactive wastes in the Callovo-Oxfordian argillite of Meuse-Haute Marne. Two type of demonstrators were built: demonstrators of storage containers for long living-intermediate level wastes and for spent fuels, and dynamic demonstrators for containers handling. This brochure presents these different demonstrators, their characteristics and the results of their tests. (J.S.)

  17. Submission of the national commission of the public debate on the options concerning the long life high and medium activity radioactive wastes management; Saisine de la commission nationale du debat public sur les options generales en matiere de gestion des dechets radioactifs de haute activite et de moyenne activite a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    This document deals with the presentation of a public debate on the radioactive wastes management and the opportunities of its organization. It presents successively the long life high and medium activity radioactive wastes, the today radioactive wastes management policy and some questions and topics which could be discussed during the debate. (A.L.B.)

  18. Memoria implicita e alfabetizzazione visiva nel contesto museale

    OpenAIRE

    Annalisa Banzi; Raffaella Folgieri

    2014-01-01

    Storici dell’arte ed esperti del settore museale lamentano la difficoltà del pubblico a “leggere” le opere esposte in un museo di arti visive. Guardare e cogliere gli aspetti relativi alla grammatica visiva di un oggetto sono abilità che si apprendono, in generale non sono innate o spontanee. I fruitori potrebbero beneficiare di un metodo che sviluppa e potenzia le loro capacità visive. Lo scopo di questo articolo è presentare e valutare se un modello basato sul priming percettivo, una forma ...

  19. Powernext Day-Ahead. Powernext Futures. Powernext Carbon. Powernext Weather. Activity assessment first-half 2006; Powernext Day-Ahead. Powernext Futures. Powernext Carbon. Powernext Weather. Bilan d'activite premier semestre 2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    Powernext SA is a Multilateral Trading Facility which organizes and warrants the transactions on the European power exchange and CO{sub 2} exchange markets. This activity report presents the highlights of the market and of Powernext in the first half of 2006: market conditions, prices and traded volumes on Powernext (Powernext Day-Ahead{sup TM} in the case of day-ahead contracts, Powernext Futures{sup TM} in the case of medium-term contracts, and Powernext Carbon in the case of CO{sub 2}), new active members, and liquidity on the power market. (J.S.)

  20. Effets de l'acide gibbérellique et de la kinétine sur le développement de l'activitéα-amylasique durant la croissance de l'Orge.

    Science.gov (United States)

    Verbeek, R; Onckelen, H; Gaspar, T

    1969-01-01

    Effects of gibberellic acid and kinetic on α-amylase production during the germination of barley. - The action of gibberellic acid and kinetin, alone or combined at different concentrations, has been studied on α-amylase production in whole barley seedlings and in embryoless endosperms in course of the six first days of development in the dark. The classic activation of α-amylase synthesis by gibberellic acid has been confirmed both in whole seeds and in embryoless endosperms. Kinetin inhibits α-amylase synthesis after the third day of germination but has no effect on isolated endosperms. When gibberellic acid and kinetin are given simultaneously gibberellic acid stimulated during the three first days just as it does alone, kinetin inhibits after the third day also as it was alone so that the two regulators act, without interactions, at different stages in the time. These effects of kinetin are be independent. A critical examination of the techniques used in the literature in the stud of amylase is made.

  1. The transport of plutonium industry in France. A high risk activity; Les transports de l'industrie du plutonium en France. Une activite a haut risque. Resume de l'etude et rapport final

    Energy Technology Data Exchange (ETDEWEB)

    Coeytaux, X.; Faid, Y.B.; Hazemann, J.; Marignac, Y.; Schneider, M

    2003-02-15

    According to the estimations of the report more than 450 transport of materials including about 40 tons of plutonium circulate in France during one year. The nuclear matters transported are a source of danger. The risks in relation with the handling and transport of plutonium touch the criticality risk, its great toxicity, and the problem of proliferation. To these risks it is necessary to add terrorists attacks. Three scenarios of accidents have been developed to illustrate the risk potential. A scenario of train accident, with derailment in a tunnel then crash with an other train; a simple scenario occurring to a lorry of plutonium powder; then a scenario of an accident following a terrorist act. These scenarios should be studied by I.R.S.N and the results should be given to the public and to elected people confronted to the transport of plutonium. (N.C.)

  2. Influența noilor reglementări din domeniul cadastrului și publicității imobiliare asupra activităților de amenajare a teritoriului și urbanism

    Directory of Open Access Journals (Sweden)

    Elena Maria MINEA

    2010-10-01

    Full Text Available Cadastre and real estate advertising are two well shaped fields, which define and condition each other, forming an integrated system of property records and legal documents related thereto. Through this system, specific data is meant to be collected and various objective information is provided, regarding the buildings and land in general. Their purpose is serving the state and the holders of rights, in order to defend and guarantee real rights (essentially, property, as well as the establishment of fair taxes. Any modern state with a democratic regime, in a world with a modern economy cannot be perceived as such without an effective system of cadastre and real estate advertising, system which became, through its important functions, mandatory.

  3. The market of the activities bound to the wastes situation 2002-2003 and perspectives 2004; Le marche des activites liees aux dechets situation 2002-2003 et perspectives 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-12-01

    This study presents the different activities bound to the wastes, evaluates the economical stakes, the short-dated development perspectives, identifies the new markets and analyzes the regulations impact on the short-dated markets. It concerns the non hazardous and hazardous wastes. (A.L.B.)

  4. Les victimes silencieuses des crises humanitaires et l’(insécurité de leurs activités économiques : Etude de cas parmi les migrants de deux villes tchadiennes

    Directory of Open Access Journals (Sweden)

    Syntyche Nakar Djindil

    2009-04-01

    Full Text Available Lorsqu’une catastrophe humanitaire fait la une des médias, la communauté internationale se mobilise à réduire les conséquences les plus sérieuses. La population du Tchad connaît cependant des crises endémiques qui ne sont liées à aucun élément déclencheur particulier# ; elle ne reçoit pas l’assistance internationale nécessaire pour faire face à ces problèmes. La présente étude concerne 111 ménages de migrants de la région du centre du Tchad, qui ont, à cause de la guerre et de la sécheresse, tout perdu, et qui vivent désormais dans de N’Djamena et de Mongo#; ces familles sont confrontées à la précarité et à d’autres éléments qui menacent leurs moyens de subsistance. Des méthodes qualitatives et quantitatives ont été combinées dans l’étude pour révéler l’histoire intrigante de leur vie quotidienne au milieu de crises complexes et endémiques. Des données anthropométriques et sanitaires ont été utilisées pour déterminer l’état nutritionnel des mères et de leurs enfants de moins de cinq ans. Des narrations de vie, des entretiens en profondeur et des observations participatives ont permis aux chercheurs de déterminer les stratégies de négociation que ces familles adoptent pour accéder à leur nourriture et à leurs abris, leur expérience de l’insécurité alimentaire et de la vulnérabilité sanitaire, ainsi que les conséquences que ces éléments ont sur leur vie quotidienne. Les résultats indiquent que 62% des ménages sont dirigés par des femmes, qu’il existe de forts taux de malnutrition aiguë (40-50% et chronique (35-40% et que 46% des mères sont sous-alimentées et anémiées. Les taux de mortalité infantile se sont avérés également élevés#: de 30% à 42%. 97% des enfants n’ont pas été complètement vaccinés, voire pas vaccinés du tout, dans certains cas. Aucun des ménages n’a accès à l’eau potable et aux services sociaux de base. La corruption endémique et l’abus manifesté par les autorités tchadiennes ont été identi$és comme sources d’insécurité quotidienne. Ces migrants considèrent cette situation misérable comme normale.

  5. Etude phytochimique et activités biologiques de quelques plantes médicinales end : Ammodaucus leucotrichus Coss. & Dur., Anabasis aretioides Moq. & Coss. et Limoniastrum feei (Girard) Batt

    OpenAIRE

    EL-HACI, Imad Abdelhamid

    2016-01-01

    "#$! ا را ا % ھ '( ، اھ ا*+ ا , " ت ا ا - ' ف / , . ن ا اوي ر ا ا اض ط ! ت ا ا : ا Anabasis aretioides 78 ا $ ،Ammodaucus leucotrichus Coss. & Dur ,1 ا $ : ا*+ ب ا ب 1 + ط1 2 ت ط $ 343 ت 5 61 1 ا .Limoniastrum feei (Girard) Batt. دم 5 ا ;< 2 $ و Moq. & Coss. وي 1 ا - $ C ( ا D ...

  6. Regulatory and law framework of agricultural methanization and composting activities. User's guide; Le cadre reglementaire et juridique des activites agricoles de methanisation et de compostage. Guide Pratique

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-08-15

    After a presentation of the general context of organic waste management (its techniques, materials, legal and regulatory sources, i.e. European and French laws), this guide indicates the main regulatory and law aspects to those wishing to implement a project of methanization or composting of organic by-products in the agricultural sector. Several aspects are therefore discussed and presented in practical sheets. They concern the health and environment regulation, but not the professional risk prevention (explosion, fire, and so on). These aspects are the project setting up, input materials (animal by-products, organic materials coming from agricultural production or from out of it), waste collection and transport, process steps, organic product valorization, biogas valorization, solid and liquid release management

  7. Development of methods for measuring microbiological and corrosive activity of sulfate-reducing bacteria: Final report. Mise au point de methodes de mesure de l'activite microbiologique et corrosive des bacteries sulfato-reductrices: Final rapport

    Energy Technology Data Exchange (ETDEWEB)

    1985-01-01

    Two groups of methods for studying microbiological and corrosive events have been followed in this study. They are based on the fact that metal corrosion, in particular of iron, is an electrochemical phenomena even if biological processes can intervene. The first group of methods consisted of classical measurements of the following parameters: (1) corrosion potential; (2) polarization resistance; (3) slope of the anodic and cathodic TAFEL lines; (4) velocity of the general corrosion; and (5) pitting index. The second group of methods is more original, and concerns the potential measurements in ''biological electrical batteries.'' Such a battery consists of two half elements (electrodes immerged in an electrolyte) that are identical at the onset of the experiment except for the presence of sulfate-reducing bacteria in one cell whereas the other one is sterile. The influence of temperature and bacteric population on the corrosion activity has been studied. The temperatures varied between 25 and 45/sup 0/C and the bacteric concentration between 0 and 20,000 bacteria/ml. Bacterial corrosion can already be detected a few days after the start of an experiment. This fast response indicates the potential of this method relative to classical microbiological methods. 29 figs.

  8. activité chimique et spectroscopie d'émission haute température d'hydrocarbures présents dans l'enveloppe des étoiles évoluées

    OpenAIRE

    Gardez, Aline

    2012-01-01

    This work is devoted to the experimental investigation of the high temperature kinetics and spectroscopy of astrophysical gases. A versatile and existing High Enthalpy Source (HES) coupled with a flow tube and with a Pulsed-Laser-Photolysis-Laser Induced Fluorescence (PLP-LIF) system has been adapted to measure the kinetics of key high temperature neutral-radical reactions of interest for the chemistry of circumstellar envelopes of carbon rich red giant stars characterized by surface layer te...

  9. Cycle annuel d'activité de la truite commune (Salmo trutta L. adulte : Étude par radio-pistage dans un cours d'eau de l'Ardenne belge

    Directory of Open Access Journals (Sweden)

    OVIDIO M.

    1999-01-01

    Full Text Available Sur une durée totale d'expérience de vingt-six mois, vingt truites (26,0-57,0 cm LF ; 198-1 685 g ont été quotidiennement suivies par radio-pistage dans l'Aisne (affluent de l'Ourthe durant des périodes variant de 466 à 16 jours selon les individus et les contraintes techniques expérimentales, notamment la durée de vie des batteries. Il apparaît que l'amplitude et la fréquence des mouvements sont le plus élevées d'octobre à décembre, pendant la période de reproduction. Les migrations vers l'amont (max. : 25 km ont principalement lieu en octobre et pendant la première quinzaine de novembre et sont déclenchées par des variations combinées du niveau d'eau et de la température, dans une gamme thermique précise (10°C à 14°C. Le frai (de la deuxième quinzaine de novembre à la fin décembre a lieu dans le cours principal (largeur maximale : 10 m ou dans de petits affluents. Les truites qui survivent effectuent un homing post-reproducteur rapide (max. : 9 200 m en 24 h et précis. En dehors du contexte de la reproduction, les déplacements sont moins longs et correspondent essentiellement à des changements alternés de gîtes dans un domaine vital bien défini dont la longueur est corrélée avec la taille des truites. En mars et juin, certaines truites effectuent des migrations unidirectionnelles de grande amplitude vers l'amont dont la signification biologique est inconnue. Les résultats sont discutés dans le contexte des stratégies de vie de la truite et de la gestion des populations.

  10. New procedures to measure synthase and phosphatase activities of bis-phosphoglycerate mutase. Interest for development of therapeutic drugs; Nouveaux procedes pour mesurer les activites synthase et phosphatase de la bisphosphoglycerate mutase. Interet pour le developpement de drogues therapeutiques

    Energy Technology Data Exchange (ETDEWEB)

    Ravel, P.; Garel, M.C. [Hopital Henri-Mondor, 94 - Creteil (France); Toullec, D. [Laboratoire Glaxo Wellcome, 91- Les Ulis (France)

    1997-12-31

    In red blood cells, a modulation of the level of the allosteric effector of hemoglobin, 2,3-diphosphoglycerate (2,3-DPG) would have implications in the treatment of ischemia and sickle cell anemia. Its concentrations is determined by the relative activities of the synthase and phosphatase reactions of the multifunctional bis-phosphoglycerate mutase (BPGM). In this report we develop first a more direct synthase assay which uses glyceraldehyde phosphate to suppress the aldolase and triose phosphate isomerase reactions. Secondly we propose a radioactive phosphatase assay coupled to chromatographic separation and identification of the reaction products by paper electrophoresis. Such identification of these products allows us to show that the multifunctional BPGM expresses its mutase instead of its phosphatase activity in conditions of competition between the 3-phosphoglycerate and the 2-phospho-glycolate activator in the phosphatase reaction. These two more precise procedures could be used to study the effects of substrate and cofactor analogues regarding potential therapeutic approaches and could be used for clinical analyses to detect deficiency of BPGM. (author)

  11. Research programme 'Active Solar Energy Use - Solar Heating and Heat Storage'. Activities and projects 2003; Programme 'Solaire actif - Chaleur et Stockage de chaleur'. Activites et projets en 2003

    Energy Technology Data Exchange (ETDEWEB)

    Hadorn, J.-C. [Base Consultants, Geneva (Switzerland); Renaud, P. [Planair SA, La Sagne (Switzerland)

    2003-07-01

    In this report by the research, development and demonstration (RD+D) programme coordinators the objectives, activities and main results in the area of solar heating and heat storage in Switzerland are presented for 2003. In a stagnating market environment the strategy of the Swiss Federal Office of Energy mainly consists in improving the quality and durability of solar collectors and materials, optimizing combisystems for space heating and domestic hot water preparation, searching for storage systems with a higher energy storage density than in the case of sensible heat storage in water, developing coloured solar collectors for more architectonic freedom, and finalizing a seasonal heat storage project for 100 dwellings to demonstrate the feasibility of solar fractions larger than 50% in apartment houses. Support was granted to the Swiss Testing Facility SPF in Rapperswil as in previous years; SPF was the first European testing institute to perform solar collector labeling according to the new rules of the 'Solar Keymark', introduced in cooperation with the European Committee for Standardization CEN. Several 2003 projects were conducted within the framework of the Solar Heating and Cooling Programme of the International Energy Agency IEA. Computerized simulation tools were improved. With the aim of jointly producing high-temperature heat and electric power a solar installation including a concentrating collector and a thermodynamic machine based on a Rankine cycle is still being developed. Seasonal underground heat storage was studied in detail by means of a validated computer simulation programme. Design guidelines were obtained for such a storage used in the summer time for cooling and in the winter time for space heating via a heat pump: depending on the ratio 'summer cooling / winter heating', cooling requires a cooling machine, or direct cooling without such a machine is possible. The report ends up with the list of all supported RD+D projects.

  12. Occupational exposure to natural radionuclides due to mining activities in Ibadan, Southwestern Nigeria; Exposition professionnelle aux radionucleides naturels emis par les activites minieres a Ibadan au sud-ouest du Nigeria

    Energy Technology Data Exchange (ETDEWEB)

    Ademola, J.A.; Okpalaonwuka, N.E. [Ibadan Univ., Dept. of Physics, Oyo State (Nigeria)

    2010-01-15

    The activity concentrations of potassium, uranium and thorium in minerals and soil samples from a mining site in Ibadan, Southwestern Nigeria were measured using gamma ray spectroscopy method. Effective dose per annum has been calculated from the activity concentrations of dominant gamma-emitting natural radionuclides, potassium, uranium and thorium. Samples collected include minerals (beryl, quartz and feldspar), soil samples from the mining pits, heaps and undisturbed land around the mining site. The activity concentrations of {sup 40}K, {sup 238}U and {sup 232}Th, respectively in Bq kg-1 in the mineral samples were as follows: 1985 +- 16, 4.8 +- 0.9 and 11.8 +- 5.8 for beryl sample, 115.1 +- 27.9, 5.0 +- 1.3 and 6.3 +- 5.0 for feldspar samples and 1421 +- 122, <4.8 and 20.1 +- 3.5 for quartz samples. For the soil samples, the mean activity concentrations of {sup 40}K, {sup 238}U and {sup 232}Th, respectively, were 314.2 +- 5.7, 27.7 +- 2.6 and 11.5 +- 5.9 Bq kg-1 for soil samples from the pits and 278.1 +- 5.4, 21.1 +- 2.0 and 15.3 +- 7.5 Bq kg-1 for soil samples from heaps. The mean activity concentrations of soil samples from the undisturbed land around the mining site were 194.3 +- 25.2, 14.5 +- 5.1 and 13.3 +- 5.9 Bq kg-1 for {sup 40}K, {sup 238}U and {sup 232}Th, respectively. The effective dose to which the miners are exposed according to exposure scenarios were calculated as 89.9 muSv y-1 for digging and handling of soil and mineral samples in the pit and 63.6 muSv y-1 for handling of soil and mineral samples at the heaps. (authors)

  13. Caffeoylquinic acid derivatives from Bidens parviflora and their antihistamine release activites%小花鬼针草中咖啡酰奎宁酸类成分及其抑制组胺释放活性

    Institute of Scientific and Technical Information of China (English)

    王珏; 王乃利; 姚新生; 北中進

    2006-01-01

    目的研究小花鬼针草Bidens parviflora全株的化学成分,并通过抑制组胺释放活性方法寻找生物活性化合物.方法采用硅胶、Sephadex LH-20和ODS柱色谱分离化合物,运用1D NMR,2D NMR等波谱法鉴定了化学结构,通过组胺抑制实验探讨抗炎活性.结果分离鉴定6种咖啡酰奎宁酸类化合物及其甲酯,分别是3,5-二氧咖啡酰奎宁酸(3,5-di-O-caffeoylquinic acid,Ⅰ)、3,4-二氧咖啡酰奎宁酸(3,4-di-O-caffeoylquinic acid,Ⅱ)、4,5-二氧咖啡酰奎宁酸(4,5-di-O-caffeoylquinic acid,Ⅲ)、4-氧-咖啡酰奎宁酸(4-O-caffeoylquinic acid,Ⅳ)、5-氧-咖啡酰奎宁酸(5-O-caffeoylquinic acid,Ⅴ)、4-[3-(3,4-二羟基苯基)-丙烯酰氧基]-2,3-二羟基-2-甲基-丁酸{4-[3-(3,4-dihydroxy-phenyl)-acryloyloxy]-2,3-dihydroxy-2-methyl-butyric acid,Ⅵ}.结论所有化合物均为首次从该植物中分得,化合物Ⅵ为新化合物.这些化合物显示一定的抑制组织胺释放活性.%Objective Based on the activities of antihistamine release to study the compounds from Bidens parvi-flora and find biological active compounds. Methods The chemical constituents from B.parviflora were isolated by silica gel and Sphadex LH-20 column chromatographies and purified by preparative HPLC. The chemical structures had been identified by physiochemical properties and spectroscopic methods. Results Six caffeoylquinic acid derivatives were identified as 3, 5-di-O-caffeoylquinic acid ( Ⅰ ),3, 4-di-O-caffeoylquinic acid ( Ⅱ ), 4, 5-di-O-caffeoylquinic acid ( Ⅲ ), 4-O-caffeoylquinic acid ( Ⅳ ), 5-O-caffeoylquinic acid ( Ⅴ ), 4-[3-(3, 4-dihydroxy-phenyl)-acryloyloxy]-2, 3-dihydroxy-2-methyl-butyric acid ( Ⅵ ). Conclusion Compounds Ⅰ - Ⅵ are first obtained from B. parviflora and Ⅵ is new one. Some of the compounds exhibit the activities in antiallergic assays. Moreover, the structure-activity relationships of these compounds have been also discussed in this paper.

  14. Progress report - fuel cell system of the L2ES 2000-2004; Rapport d'activites - systeme pile a combustible du L2ES 2000-2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    Fuel cell activities started in L2ES in 2000. Among all the definitions of the fuel cell system, the laboratory considers as the fuel cell generator, the stack, the ancillaries (air and hydrogen or more generally fuel supply, valves, humidifier or gas treatment, cooling), power electronics, buffer storage and control. The research topics at L2ES are: - fuel cell system modelling - fuel cell system architecture and its optimization - diagnosis and life time. All these topics are described into details. The perspectives and prospects of the laboratory at middle term are specified. (O.M.)

  15. AREVA Technical Days (ATD) session 4: operations of the front-end division of the nuclear fuel cycle; AREVA Technical Days (ATD) session 4: les activites du pole Amont

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    These technical days organized by the Areva Group aims to explain the group activities in a technological and economic point of view, to provide an outlook of worldwide energy trends and challenges and to present each of their businesses in a synthetic manner. This fourth session deals with the strategic and financial significance of the Areva mining operations, the Areva chemistry business, the Areva enrichment business and the Areva fuel business. (A.L.B.)

  16. AREVA Technical Days (ATD) session 2: operations of the back-end of the nuclear fuel cycle; AREVA Technical Days (ATD) session 2: les activites du pole Aval du cycle du combustible nucleaire

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    These technical days organized by the Areva Group aims to explain the group activities in a technological and economic point of view, to provide an outlook of worldwide energy trends and challenges and to present each of their businesses in a synthetic manner. This second session deals with the reprocessing business, back-end financing mechanisms, technology transfer, environmental management, risk management programs, research and development contribution to waste volume reductions, issues and outlook of nuclear wastes, comparison of the open and closed cycles. (A.L.B.)

  17. Contribution à l'étude de l'activité biologique d'extraits de feuilles de Cestrum parqui L'Herit.(Solanaceae sur le criquet pélerin Schistocerca gregaria (Forsk

    Directory of Open Access Journals (Sweden)

    Barbouche N.

    2001-01-01

    Full Text Available Contribution to the study of the biological activity of Cestrum parqui L'Herit. extracts against the locust Schistocerca gregaria (Forsk. The leaves of Cestrum parqui L'Herit. (Solanaceae, a common ornamental shrub in North Africa showed strong insecticide activity against the locust Schistocerca gregaria. The first part of this paper deals with a phytochemical survey of C. parqui. The second one reports on the toxicity of methanolic extracts (EB of leaves and fractions thereof. The mortality in treated insects (at the 5th instar injected with aqueous solutions of EB or fractions reached 100/ within a period of 2 to 4 days. The bioassays undertaken with two fractions F37 (recovered from EB by solid phase extraction and ESB (resulting from the diethylether precipitation from EB methanolic solution exhibited a similar toxicity. The n-hexane extracts obtained after F37 and ESB acidic hydrolysis showed the same TLC patterns. The toxicity of C. parqui is related to the occurrence of saponins.

  18. État des connaissances et incertitudes sur le changement climatique induit par les activités humainesScientific basis and uncertainties of human induced climate change

    Science.gov (United States)

    Duplessy, Jean-Claude

    2001-12-01

    During the 20th century, the mean temperature of the air at the ground level has increased by 0.6±0.2 °C and the warmest air temperatures occurred after 1980. These were significantly warmer than those of the last millennium. Simultaneously, rain and drought, cold and heat wave frequencies have changed, mountain glaciers retreated and the sea-level increased by ˜10 cm. This warming was at least in part induced by human activities and will continue during the next decades. Its amplitude will depend on the rate of greenhouse gas and sulphate aerosols emissions, i.e. on energetic scenarios. Pending scientific uncertainties include cloud variations and interactions between the physical parts of the climate system and the biogeochemical cycles and the biosphere.

  19. The United Nations Development Program (PNUD) and the Mechanism for Clean Development (MDP); Le programme PNUD de renforcement des moyens pour les activites a executer dans le cadre de projets du MDP

    Energy Technology Data Exchange (ETDEWEB)

    Johansson, T. B. [Lund Univ., Lund (Sweden)

    1999-11-01

    The mechanism for clean development is the outcome of a proposal by the Group of 77 and China that was proposed within the context of the negotiations leading to the Kyoto Protocol. It is intended as an instrument in technological, political and socio-economic development. While there remain many questions about the modalities of surveillance, validation and certification of proposed projects the program`s eventual implementation and functioning depends upon the signatories` encouragement, especially the Annex 1 parties, and their adherence to the commitments undertaken with respect to the reduction of greenhouse gases during the period of 2008 to 2012. The UN Program for Development is dedicated to the eradication of poverty and the implementation of sustainable development; climatic change is considered as just one of the many major obstacles to be overcome towards achieving the Program`s objectives. The Clean Development Mechanism provides the means to assist developing countries to combat the negative effects of climatic change and to serve as an international pilot project for all countries on means to meet the challenges posed by greenhouse gas emission reduction obligations.

  20. Caractérisation chimique et évaluation de l’activité biologique de certaines espèces de Daucus de la région de Tlemcen (Algérie)

    OpenAIRE

    Meliani, Nawel

    2014-01-01

    La région de l’ouest Algérien et particulièrement Tlemcen est riche en Plantes Aromatiques et Médicinales (PAM) dont les huiles essentielles sont susceptibles d’être utilisées dans différents domaines. La composition de ces dernières permet de les caractér iser, d’en évaluer la qualité, de mettre en évidence une éventuelle spécificité locale. L’objectif principal de cette étude est : (i) d’accroître notre connaissance sur la composition chimique des huiles essentielles et d’évalue...

  1. Etude phytochimique et activités biologiques de quatre espèces camerounaises de la famille des Myrtaceae: Eucalyptus saligna Sm., Callistemon viminalis W., Syzygium guineense W. et Syzygium aromaticum M. et P.

    OpenAIRE

    Djoukeng, Jules Désiré; Tabacchi, Raffaele

    2006-01-01

    Les plantes de la famille des Myrtaceae sont très aromatiques, avec une abondance en huile essentielle d'où l'usage médicinal. Certaines plantes de cette famille sont utilisées traditionnellement dans la conservation des denrées en stockage dans les pays en voies de développement. Afin de mieux comprendre l'utilisation traditionnelle de Eucalyptus saligna Sm., Callistemon viminalis G., Syzygium guineense W. et Syzygium aromaticum Merr. et Perry (Myrtaceae) nous avons entrepris l'étude phytoch...

  2. Experimental study of the MHD activity associated to the mode m=2, n=1 in the Tore Supra tokamak; Etude experimentale de l`activite MHD associee au mode m=2, n=1 dans le tokamak Tore Supra

    Energy Technology Data Exchange (ETDEWEB)

    Turlur, S.

    1996-09-20

    In tokamaks such as Tore Supra, the plasma confinement magnetic structure can be severely affected when Magnetohydrodynamic (M.H.D.) instabilities are destabilized. Experimentally, these instabilities are detected as magnetic fluctuations with captors located against the inner wall of the vacuum vessel. Fourier analysis provides amplitude, frequency and wave numbers of magnetic modes. In case of fast or transient phenomena, the analysis of magnetic fluctuations is completed using the singular value decomposition. In this dissertation, these analysis techniques are used to study two specific examples of M.H.D. activity related to the m = 2, n = 1 mode. On Tore Supra, the onset of this mode have strong consequences on the stability of partially or fully non inductive discharges. A regular and persistent sawtooth-like regime is observed on the electronic temperature leading to a significant degradation of the central confinement. Heat exhaust and particle balance are also essential parameters to achieve stationary discharges. On Tore Supra, these are studied with the ergodic divertor which produces stochastic magnetic field lines at the plasma edge. For optimal operating conditions of the ergodic divertor, the growth of the m = 2, N = 1 mode can lead to sudden destruction of magnetic equilibrium. For both cases, understanding and characterization of mechanisms leading to the observed m = 2, n = 1 M.H.D. activity are fundamental to obtain stationary discharges. (author). 115 refs.

  3. Influence des ions monohydrogénophosphates et fluorophosphates sur les propriétés des phosphogypses et la réactivité des phosphoplâtres.

    OpenAIRE

    2007-01-01

    240 pages; Phosphogypsum is a by-product resulting from the phosphoric acid synthesis, used for the fertilizers production. This thesis deals with the study of the major impurities influence, i.e. monohydrogenophosphate ions HPO42- and fluorophosphate ions FPO32-, on phosphogypsums properties and phosphoplasters reactivity, in order to recover them in plaster industry. Therefore, we have:- determined this ions role with regard to the phase diagram CaO-SO3-H20 at ambient temperature- determine...

  4. 在美术区域活动中幼儿多元创造能力的培养%Preschool Multivariate the Cultivation of Creative Ability in the Area of Fine Arts Activites

    Institute of Scientific and Technical Information of China (English)

    楼新娜

    2014-01-01

    活动区活动以其个别化的教育形式尊重了幼儿的个别差异,满足幼儿个体发展的需要,成为幼儿在园所钟爱的活动形式,美术区域活动是在指定的范围内,幼儿按自己的意愿进行的一种艺术活动。%Activity area activities in the form of the individualized education to respect the children’s individual difference,Meet the needs of the children’s individual development,As young children in the kindergarten beloved activity form,Children in his will to a kind of art activity.

  5. Evolutionist approach of upstream activities competitiveness of the petroleum industry in a long term perspective; Approche evolutionniste de la competitivite des activites amont de la filiere petroliere dans une perspective de long terme

    Energy Technology Data Exchange (ETDEWEB)

    Dos Santos, E.M.

    1997-01-24

    The purpose of this work is to analyze the concept of competitiveness of companies and nations in the upstream sector of the international oil industry, trying to identify the possibilities of future development of this sector as well as the interactions that may exist between different actors such as governments, consumers and oil companies to boost or re-launch the competitive position of their enterprises and countries in the international context of the industry. In order to attain that, we analyze the developments of the most important economic attributes that characterize the oil activity as well as its most crucial political aspects. We develop a model of `oil competition` and a definition of `oil competitiveness` that take clearly into consideration both the differences between various oil actors and the dynamic aspects linked to the evolution of the oil industry. We do so by constructing an evolutionist model of competition and competitiveness. This approach emulates a `biological process` where firms and the economic environment interact with each other within a process similar to `natural selection` with the survival of the fittest. This evolutionist model adopts some analytical instruments established by Michael Porter, from the University of Harvard, to interpret the changes and the dissimilarities of behavior of various oil actors as well as to explain their respective role in the new oil world that is being organized. Thus, we introduce the notions of `dominant form of competition` and `generic strategy of enterprises`. Then, we use our methodology to analyze the past of the oil industry (the stability and the instability). We conclude this work by discussing about the future evolution of the oil activities in the context of a new long term cycle of investment for the sector. (author).

  6. La bibliothèque et l'activité éditrice du Club alpin austro-allemand (DÖAV : de la documentation à l'idéologie

    Directory of Open Access Journals (Sweden)

    Michel Mestre

    2002-11-01

    Full Text Available L’article met en évidence la particularité des premières bibliothèques des clubs alpins comme lieux de culture savante, tournés vers la découverte scientifique : naturalistes, géologues, géographes s’intéressent à la botanique, la zoologie, mais surtout à la météorologie, la géologie, la cartographie et la glaciologie. Les historiens puis sociologues, photographes et peintres ne sont pas en reste. Est analysé le cas du club alpin austro-allemand jusqu’en 1942, en particulier le rôle de l’alpinisme sportif et l’idéologie sous-jacente définie comme « continuité germanique dans l'espace alpin ».

  7. Etude préliminaire à un modèle de prévision à court terme de l'activité d'un transporteur sous température dirigée

    OpenAIRE

    Despagne, Wilfried

    2008-01-01

    Cet article a été présenté à l'atelier "Fouille de données temporelles" du congrès EGC 2008; This article describes a operational research problem. A company that specializes in temperature controlled transportation wants optimize the planning of its human and material resources through short term activity forecasting. The challenge is to find a unique forecasting model adapted, without human intervention, to the specific needs of 57 company's officies. To do it, the company collected data si...

  8. Les accidents de la route liés à une activité professionnelle. In: Le véritable enjeu de l'insécurité routière : la victime

    OpenAIRE

    Charbotel, B.

    2001-01-01

    Deux types d'accidents de la route sont liés au travail : les accidents de trajet entre le domicile et le travail et les accidents survenant en mission pour l'employeur. Les accidents de la route en mission sont, dans de nombreux pays, la première cause d'accident mortel du travail (de 20 a 40 % des accidents du travail mortels). En France, près de 40 % des accidents du travail mortels sont des accidents de la route, et le taux de 60 % des accidents mortels est atteint si l'on comptabilise le...

  9. Impact d'un programme d'éducation thérapeutique du patient à l'activité physique chez des patients en phase subaiguë d'accident vasculaire cérébral

    OpenAIRE

    Kammoun, Benjamin

    2015-01-01

    In France, we estimate at 150,000 the number of cerebral vascular accident per year. With a cost of 8.3 billion euros, it has become a public health issue. The expenses are, among others, related to legacy, as 43.2% leave hospital being physically dependent.These effects will aftereffect will cause limitations, causing a vicious cycle of inactivity and deconditioning bringing. To fight against this deconditioning, it seems appropriate to follow the recommendations of learned societies in term...

  10. Activite succino-deshydrogenasique des microsomes et mode d'incorporation du succinate 2,3-(14)C dans les acides gras des microsomes de foie de rat in vitro.

    Science.gov (United States)

    Rous, S; Aubry, L; Bonini, F

    1970-03-16

    The incorporations of 2,3-(14)C-succinate 2-(14)C-acetate into fatty acids of different cellular fractions of rat liver were studied. Acetate was incorporated mainly into supernatant and succinate into microsomal fatty acids. Mitochondria only could intensively decarboxylate pyruvate. Avidine inhibited fatty acid synthesis from succinate mainly in the supernatant. It is suggested that succinate is an important physiological precursor of fatty acids in the liver and that an active succino-dehydrogenase is present in microsomes.

  11. L'activité de butinage des Apoides sauvages (Hymenoptera Apoidea sur les fleurs de maïs à Yaounde (Cameroon et réflexions sur la pollinisation des graminées tropicales

    Directory of Open Access Journals (Sweden)

    Tchuenguem-Fohouo F.N.

    2002-01-01

    Full Text Available The gatering activity of wild bees (Hymenoptera Apoidea on flowers of maize at Yaound (Cameroon and further considerations on pollination of the tropical Gramineae. At Nkolbisson (Yaounde, Cameroon, in May 1991, flowers of maize (Zea mays L; Poaceae were observed for the study of pollen gathering by five different species of wild bees: one Apidae Meliponinae (Dactylurina staudingeri and four Halictidae Nomiinae (Lipotriches andrei, Lipotriches langi, Lipotriches notabilis and Leuconomia granulata. Each of these Apoidea is well attracted by pollen of maize. The larger number of bees foraging at the same time on a panicle varies from one with Dactylurina staudingeri to four with Lipotriches andrei and Lipotriches notabilis. Generally, bees forage maize during the whole day and during the full flowering period but visits are more numerous in the morning and during the period of intense flowering. Median duration of a visit on a male spikelet varies from 1 sec with Dactylurina staudingeri to 7 sec with Lipotriches andrei. These Apoidea have an elaborated behaviour when gathering pollen of maize. Dactylurina staudingeri however seems less adapted to the floral morphology of Poaceae comparing with Lipotriches. When foraging maize, all these bees are regular visitors to flowers of this plant, even in the presence of other flower species in the vicinity of the crop. Bees studied have a positive impact on the yield of grains due to a complementary action with the well known one of the wind. The influence is indirect as the bees are seldom visiting the stigmates. The explanation is that when the bees are very common on the panicles they shake the anthers, inducing the release of pollen grains in the atmosphere even in the days without wind. The part of wild bees in the increase of yields is estimated to 3/ while the one of the domestic bees (Apis mellifera is estimated to 21/ in that locality. The authors are reviewing existing literature on grass crop pollination and on Poaceae in general by various species of bees. For a better integrated crop management of maize in Cameroon, it is suggested to conserve the nesting sites of Lipotriches in surrounding areas of crops and to avoid unjustified use of pesticides during the flowering period.

  12. Has the civil society a real place in the governance of the nuclear and chemical activities?; La societe civile a-t-elle 'vraiment' une place dans la gouvernance des activites nucleaires et chimiques?

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    This colloquium, organized in three sessions discusses the following topics: the historical aspects of the transparency in the nuclear domain, the AZF accident, the nuclear wastes specific case, the access of the society to the knowledge, the democratic participation to the management of the risk activities and the conditions of this sustainable participation, the international situation and the public trust. (A.L.B.)

  13. Post-accident management: the point of view of the European Commission; Gestion post-accidentelle d'un accident nucleaire: apercu des activites de l'AIEA

    Energy Technology Data Exchange (ETDEWEB)

    Amaral, E. [Agence International de l' Energie Atomique (AIEA), Div. de la Surete Radiologique et de la Surete du Transport et des Dechets, Vienna(Austria)

    2008-07-15

    This paper will present documents and activities developed and implemented by the IAEA regarding remediation activities. It will be also described the lessons learned from two accidents as outcomes of two important conferences organized by IAEA. (author)

  14. The Effect of Prolonged Military Activities in Man. Physiological and Biochemical Changes. Possible Means of Rapid Recuperation (les Effets d’activites mi1itaires prolongees sur l’homme. Changements physiologiques et biochimiques. Moyens possibles de recuperation rapide.)

    Science.gov (United States)

    2001-03-01

    intravenous infusion of isotonic saline solution. J Clin Invest 30:862 - 868, 1951. 39. Vedovato M., De Paoli Vitali E., Guglielmini C., Casoni I., Ricci G...failure in the rainy season. In the Sahel , the dry season is divided in a cool season in January and February and a hot or very hot season in April, May...36) A. Montmayeur, A. Buguet, H. Sollin and J. R. Lacour - Exercise and sleep in four African sportsmen living in the Sahel : a pilot study. Int. J

  15. Etude phytochimique, activités antimicrobiennes et antioxydantes de Saccocalyx satureioïdes, Salvia verbenaca et Teucriumpolium de la région Ouest d'Algérie

    OpenAIRE

    BELMEKKI, Nacéra née TEBICHEK

    2014-01-01

    Résumé L'étude des espèces Saccocalyx satureioïdes, Teucrium polium et Salvia verbenaca appartenant à la famille des Lamiaceae, a porté sur un screening phytochimique visant à caractériser les différentes familles de composés chimiques contenues dans leur partie aérienne, puis l'extraction sélective des classes dont les tests sont positifs. L'analyse des huiles essentielles de Saccocalyx saiureioïdes, Teucrium polium par chromatographie gazeuse couplée à la spectrométrie de ...

  16. Recherche et étude comparative des activités protéasiques des castes neutres du termite Macrotermes subhyalinus (Termitidae, Macrotermitinae et de son champignon symbiotique Termitomyces sp

    Directory of Open Access Journals (Sweden)

    Kamenan, A.

    2004-01-01

    Full Text Available Research and Comparative Study of Proteasic Activities of Neutral Castes of Termite Macrotermes subhyalinus (Termitidae, Macrotermitinae and its Symbiotic Fungus Termitomyces sp. Crude extracts from neutral castes of the termite Macrotermes subhyalinus, its symbiotic fungus Termitomyces sp. and its comb are not able to hydrolyze acyl-pNA tested on acid medium. However, these substrates on alkaline medium are hydrolysed, indicating that these enzymatic sources possess proteolytic activities. Hydrolyzed acyl-pNA are Gly-pNA, LeupNA, Met-pNA, Phe-pNA, Pro-pNA, Lys-pNA, ArgpNA and Asp-pNA. The highest proteolytic activities were obtained with Leu-pNA and BA-pNA with a Macrotermes subhyalinus termite worker. It is therefore more active than the soldier. Proteolytic activities were higher in small soldiers than in large ones. The proteolytic activities of the fungus are higher than those of the fungus comb, its growth backbone. Mutal competition studies among the best hydrolysed substrates by symbiotic fungus and worker have shown that trypsic activities (Arg-pNA, Lys-pNA and BA-pNA are derived from the same enzyme. This enzymatic reaction has also been observed with Leu-pNA, MetpNA and Ala-pNA.

  17. Programme national d'océanographie côtière (P.N.O.C.), volet "Microbiologie sanitaire", résumé des activités et des travaux

    OpenAIRE

    Pommepuy, Monique

    1994-01-01

    Les zones marines littorales reçoivent des rejets d'eaux usées d'origine urbaine et agricole qui contiennent de très grandes quantités de micro-organismes dont certains sont pathogènes pour l'homme ; dans environnements hostiles, la dispersion et les conditions vie défavorables font que ces bactéries et virus disparaissent rapidement ou évoluent vers un état non cultivable. Cependant, certains milieux - sédiments, eaux turbides ou eutrophisées présentent favorables à la survie bactéries et...

  18. Preparation and properties of thin films used in activity determinations with a 4 {pi} counter; Preparation et proprietes des films minces utilises dans les determinations d'activite au compteur 4 {pi}

    Energy Technology Data Exchange (ETDEWEB)

    Jannez, M.; Le Gallic, Y.; Thenard, M. [Commissariat a l' Energie Atomique, Saclay (France). Centre d' Etudes Nucleaires

    1958-07-01

    Comparative study of various methods of preparing thin films, for use as source holders in the 4 {pi} counter, and of measuring their thickness. Comparative study of various properties: mechanical resistance; heat resistance; ageing; resistance of rhodopas, polystyrene, formvar and cellulose acetate films to the action of various chemical agents. (author) [French] Etude comparee de divers procedes de preparation de films minces, destines a etre utilises comme supports de sources dans le compteur 4 {pi} et de la mesure de leur epaisseur. Etude comparee de diverses proprietes: resistance mecanique; resistance a la chaleur; vieillissement; resistance a l'action de divers agents chimiques de films de rhodopas, polystyrene, formvar et acetate de cellulose. (auteur)

  19. Etude des activités antimicrobienne et antioxydante des huiles essentielle et des flavonoides d'Artemisia herba alba Asso; Artemisia judaica .L. ssp. sahariensis; Artemisia campestris L; Herniaria mauritanica Murb et Warionia saharae Benth. et Cou.

    OpenAIRE

    GHERIB, MOHAMED

    2014-01-01

    naturels. Résumé Les plantes sont depuis toujours une source essentielle de médicaments. Aujourd'hui encore une majorité de la population mondiale, plus particulièrement dans les pays en voie de développement, se soigne uniquement avec des remèdes traditionnels à base de plantes. De l'aspirine au taxol, l'industrie pharmaceutique moderne elle-même s'appuie sur la diversité des métabolites secondaires des végétaux pour trouver de nouvelles molécules aux propriétés biologiq...

  20. Intégration des activités de preuve dans le processus de développement de logiciels pour les systèmes embarqués

    OpenAIRE

    2012-01-01

    In past years, formal verification techniques and tools were widely developed and used by the research community. However, the use of formal verification at industrial scale remains difficult, expensive and requires lot of time. This is due to the size and the complexity of manipulated models, but also, to the important gap between requirement models manipulated by different stackholders and formal models required by existing verification tools. This dissertation aims therefore to develop a m...

  1. M.H.D. activity associated with the q=1 surface in the Tore-Supra tokamak; Activite M.H.D. associee a la surface q=1 dans le tokamak Tore-Supra

    Energy Technology Data Exchange (ETDEWEB)

    Cristofani, P.

    1996-02-12

    In order to increase the temperature, density and confinement time of the plasma energy inside tokamak devices, several heating and fuel injection techniques have been used. However, the increase of the energy content of the central part of the plasma leads to instabilities in the confinement magnetic structure which can degrade the confinement properties and the temperature performances. Inside the plasma, the ``q=1`` surface plays an important role in the confinement process. The aim of this thesis is to study the experimental physics related to this surface with the analysis of the ``saw-tooth`` periodical internal relaxations and of the ``snake`` structure. The first chapter gives a general introduction about thermonuclear fusion and a description of the plasma and of its equilibrium. Chapter 2 is devoted to the description of the soft X-ray tomography, the diagnostic technique used in this work. In chapter 3, a theoretical presentation of plasma stability and a comparison with experimental results obtained in the Tore-Supra tokamak are given. The observations of saw-tooth instabilities are presented with the principal theoretical models which are used to explain this phenomenon. The snake density instability localized in the central part of the plasma is described in chapter 4 with an attempt of interpretation. The equation of the size evolution of a magnetic island was modified to test different models which can explain the snake stability. One model is based on the modification of the bootstrap current induced by the presence of the snake, and on the local modification of the current induced by the accumulation of impurities inside the snake. (J.S.). 107 refs.

  2. Causal reasoning and models of cognitive tasks for naval nuclear power plant operators; Raisonnement causal et modelisation de l`activite cognitive d`operateurs de chaufferie nucleaire navale

    Energy Technology Data Exchange (ETDEWEB)

    Salazar-Ferrer, P.

    1995-06-01

    In complex industrial process control, causal reasoning appears as a major component in operators` cognitive tasks. It is tightly linked to diagnosis, prediction of normal and failure states, and explanation. This work provides a detailed review of literature in causal reasoning. A synthesis is proposed as a model of causal reasoning in process control. This model integrates distinct approaches in Cognitive Science: especially qualitative physics, Bayesian networks, knowledge-based systems, and cognitive psychology. Our model defines a framework for the analysis of causal human errors in simulated naval nuclear power plant fault management. Through the methodological framework of critical incident analysis we define a classification of errors and difficulties linked to causal reasoning. This classification is based on shallow characteristics of causal reasoning. As an origin of these errors, more elementary component activities in causal reasoning are identified. The applications cover the field of functional specification for man-machine interfaces, operators support systems design as well as nuclear safety. In addition of this study, we integrate the model of causal reasoning in a model of cognitive task in process control. (authors). 106 refs., 49 figs., 8 tabs.

  3. Construire une démarche à visée réflexive sur l’activité prescriptive des enseignants : choix méthodologiques

    Directory of Open Access Journals (Sweden)

    Domínguez Estefanía

    2015-01-01

    Full Text Available Notre recherche porte sur le métier d’enseignant et plus particulièrement sur la passation de consignes en classe de français langue étrangère (FLE, pratique que nous abordons sous l’angle de la réflexivité. Nous traiterons dans cet article des choix méthodologiques de cette étude en explicitant le cheminement du chercheur lors de l’articulation des objectifs et des outils de recherche. Nous présenterons donc ces choix mais également les contraintes, difficultés et renoncements inhérents à ce processus. Après avoir contextualisé notre recherche, nous présenterons concrètement la démarche réflexive mise en place. Nous définirons les objectifs des quatre paliers qui structurent la démarche, à savoir questionnaire, réunion-échange, journal de bord et entretien d’autoconfrontation, tout en indiquant les modalités de réflexion ainsi que les types de discours produits par les enseignants. Il s’agira également de préciser le rôle, l’engagement et la relation entre les enseignants-participants et le chercheur afin d’évoquer l’influence de ces paramètres dans le déroulement de la recherche.

  4. The low to intermediate activity and short living waste storage facility. For a controlled management of radioactive wastes; Le centre de stockage des dechets de faible et moyenne activite a vie courte. Pour une gestion controlee des dechets radioactifs

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    Sited at about 50 km of Troyes (France), the Aube facility started in 1992 and has taken over the Manche facility for the surface storage of low to intermediate and short living radioactive wastes. The Aube facility (named CSFMA) is the answer to the safe management of these wastes at the industrial scale and for 50 years onward. This brochure presents the facility specifications, the wastes stored at the center, the surface storage concept, the processing and conditioning of waste packages, and the environmental monitoring performed in the vicinity of the site. (J.S.)

  5. Synthèse et réactivité de complexes métalliques contenant des ligands carbéniques N-hétérocycliques et des ligands fonctionnels pour des applications catalytiques

    OpenAIRE

    Ai, Pengfei

    2015-01-01

    The purpose of this work was the synthesis of N,N'-diphosphanyl-functionalized NHC ligands andtheir coordination chemistry. The novel stable and rigid tridentate N,N'-diphosphanyl-imidazol-2-ylidene was synthesized and experimental and computational information on its stability weregained. It served as a unique platform for the synthesis of novel mono-, di-, tri-, penta-, hexanuclear complexes with the coinage metals (Cu, Ag and Au), exhibiting rare structural features. The mono- and dinuclea...

  6. Comprehensive measurements in 4 {pi} geometry for radio-active samples having a low {beta}-activity (1962); Ensemble de mesure'en geometrie 4 {pi} pour echantillons radioactifs de faible activite {beta} (1962)

    Energy Technology Data Exchange (ETDEWEB)

    Colomer, J.; Valentin, M. [Commissariat a l' Energie Atomique, Saclay (France). Centre d' Etudes Nucleaires

    1961-07-01

    The realisation is described of a comprehensive measurement system having low background noise and, as well as a lead-wall protection, an electronic protection made up of a plastic scintillator placed in anticoincidence with the 4 {pi} counter used for making the measurements. The apparatus is described and its performance discussed. (authors) [French] Realisation d'un ensemble de mesures ayant un faible bruit de fond en utilisant en plus d'une protection par murs de Pb, une protection electronique constituee par un scintillateur plastique mis en ainticoincidence avec le compteur 4 {pi} utilise pour faire les mesures. L'appareillage est decrit et ses performances discutees. (auteurs)

  7. Study of hydrogenases activity inhibition by O{sub 2} and direct electrochemistry; Etude de l'inhibition par O{sub 2} de l'activite d'hydrogenases par electrochimie directe

    Energy Technology Data Exchange (ETDEWEB)

    Baffert, C.; Leger, Ch.; Leroux, F.; Bertrand, P.; Guigliarelli, B. [Laboratoire de Bioenergetique et d' Ingenierie des proteines, BIP-CNRS, 13 - Marseille (France)

    2007-07-01

    At the present time, a great effort of research is made on the identification and the design of enzymes insensitive or low sensitive to O{sub 2}. In parallel, it seems important to understand the inhibition mechanisms in order to propose mutations able to limit this inhibition. The Protein Film Voltametry allows to obtain data which can not be observed or quantitatively obtained by other techniques. The enzyme is immobilized directly on the electrode and the electronic transfer is direct. The redox state of the enzyme depends on the potential of the electrode and the catalytic current is proportional to the enzyme activity. The data obtained for the Ni-Fe hydrogenase (Desulfovibrio fructosovorans) and for the Fe hydrogenase (Clostridium Acetobutylicum) will be compared to the data obtained for hydrogenases of other organisms, by Protein Film Voltametry as well as by other techniques. (O.M.)

  8. Etude de l’activité antiparasitaire et antimicrobienne des extraits de zests d’oranges Citrus sinensis var.Washington navel sur le ravageur Ceratitis capitata et la mycoflore qui lui est associée.

    OpenAIRE

    Benazzouz, Fatima zohra

    2015-01-01

    Ceratitis capitata سمحت لنا الدراسة البیوایكولوجیة لذبالة الفواكھ Penicillium sp. Aspergillus sp et Monilia أربع أنواع (Alternaria sp.,. الفطریات الضارة المتعلقة بھا، سمحت بتعریف ثمانیة أنواع فطریة sp). ثم تلیھا مكونات فینولیة أخرى (Tanins ) بالمقابل دراسة قدرة البرتقال على مقاومة ھذه القطریات بینت أن المكافحة تبدأ بإفراز مركبات فینولیة تركیبیة Ceratitis ) دراسة خلاصة قشرة البرتقال و الزیوت الطیارة الخاصة بھا على العزلات الفطریة و یرقات الذبابة و الذبابة نفسھا .(Flavonoides) حاثة ...

  9. Activities report of the Nuclear Physics Department (CEN Saclay). 1 Oct 1966 - 30 Sep 1967; Compte rendu d'activite du Departement de Physique Nucleaire (CEN Saclay). 1 Oct 1966 - 30 Sep 1967

    Energy Technology Data Exchange (ETDEWEB)

    Cotton, E. [and others

    1967-07-01

    Three parts of the report treat the questions related to the tandem, the cyclotrons and the electrons linear accelerators, then two annexes give the role of publications in this year, and the list of scientific and technical personnel. In the area of Van de Graaff and cyclotrons, progress has been made in the realisation of particles identification systems and in the methods of data processing. The starting up of the trochoidal injection has allowed an improvement of the protons polarisation rate and the intensity increase by a factor 1000. [French] Trois parties traitent des questions concernant le tandem, les cyclotrons et les accelerateurs lineaires a electrons, puis deux annexes donnent la liste des publications de l'annee et la liste du personnel scientifique et technique. Dans le domaine des Van de Graaf et cyclotrons, il faut signaler les progres dans la realisation de systemes d identification de particules et dans les methodes de traitement de donnees. La mise en service de l injection trochoidale a permis une amelioration du taux de polarisation des protons et l'accroissement de l'intensite d un facteur 1000. (auteurs)

  10. Researches on the management of high activity and long-lived radioactive wastes. Axis 1 - separation-transmutation; Recherches sur la gestion des dechets radioactifs a haute activite et a vie longue. Axe 1 - separation-transmutation

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-11-15

    This document gathers the transparencies of seven presentations given at a technical workshop of the French nuclear energy society (SFEN) about the researches on separation-transmutation of high activity and long-lived radioactive wastes. The presentations deal with: inventory and radiotoxicity of the rad-wastes in concern; industrial experience; experience on chemical separation: molecules and processes; reactors physics and transmutation - reactors for transmutation; fuels and targets; scenarios that include transmutation; environmental impacts of these different scenarios. (J.S.)

  11. The high-level and long life radioactive wastes management in France: inquiry near the actors; La gestion des dechets nucleaires a haute activite et a vie longue en France: enquete aupres des acteurs

    Energy Technology Data Exchange (ETDEWEB)

    Le Dars, A

    2002-07-01

    This document presents talks carried out near various actors of the radioactive wastes management in France. These talks have been realized in the framework of an inquiry aiming at supporting the developments of an economic sciences thesis, relative to the sustainable management of the nuclear wastes. This inquiry aimed to better determine the actors stakes, the controversies on the technical choices, but also the possible cooperation. (A.L.B.)

  12. International Congress: Physical Activities--Sport--Development (Nabeul, Tunisia, February 24-26, 1992). Final Report. = Congres International: Activites physiques--Sport--Developpement (Nabeul, Tunisie, 24-26 fevrier 1992). Rapport final.

    Science.gov (United States)

    United Nations Educational, Scientific, and Cultural Organization, Paris (France).

    The aim of this international congress was to strengthen international cooperation in the field of physical education and sport and to promote practical measures based on partnership among government authorities, volunteer organizations, and private national or multinational corporations, by pointing out the contribution that the rational practice…

  13. Vingt ans de recherches à Saint-Véran, Hautes Alpes: état des connaissances de l’activité de production de cuivre à l’âge du Bronze ancien

    OpenAIRE

    2010-01-01

    Not available

    Durante la Edad del Bronce en Europa occidental, el aumento drástico de la producción de cobre apenas está documentado en las actividades mineras y metalúrgicas de transformación. En este contexto, el yacimiento minero y metalúrgico de Saint-Véran, Hautes-Alpes constituye un testimonio privilegiado de la producción en masa a fines del III milenio, ya que las obras mineras dan cuenta de una explotación a gran escala, con una producción de casi 7 t de cobre al a...

  14. Chemistry-transport coupling and retroactive effects on material properties within the context of a deep geological repository; Couplage chimie-transport et retroaction sur les proprietes des materiaux en contexte de stockage geologique profond. Synthese des activites de recherche

    Energy Technology Data Exchange (ETDEWEB)

    Bildstein, O.

    2010-06-15

    The author gives an overview of his research and teaching activities. His researches first dealt with the development of a simulation of the chemistry/transport coupling and of the retroactive effects on transport parameters, then with the chemistry/transport modelling and its coupling with mechanics, and finally with the multi-scale investigation of porous materials. Perspectives are discussed and publications are indicated

  15. Anti-inflammatory and Analgesic Activites of Aristolochia Debillis Sieb.et Zucc. Aqueous Extract%青木香(Aristolochin debillis Sieb.et Zucc.)的消炎和镇痛活性

    Institute of Scientific and Technical Information of China (English)

    吕金海; 舒孝顺; 伍贤进

    2006-01-01

    目的:检测青木香(Aristolochia debillis Sieb.et Zucc.)的块根水提取液的消炎和镇痛效果及毒性.方法:用蛋清诱导法、热板法和扭体法.结果:青木香的块根水提取液无毒性,1 000 mg/kg,i.g.的青木香块根水提取液比生理盐水的消炎和镇痛效果明显,比200 mg/kg,i.g.乙酰水杨酸的消炎效果好,2 000 mg/kg,i.g.的青木香块根水提取液比乙酰水杨酸的消炎效果更加显著.结论:青木香具有较好消炎和镇痛活性,无毒性.%Objective:To determine anti-inflammatory, analgesic and acute toxicity effects ofAristolochia debillis Sieb.et Zucc. aqueous extract. Methods:Egg-albumin-induced edema in rats, hot-plate and acetic acid-induced abdominal constriction tests models respectively in mice were used. Results: The aqueous extract ( 1 000 mg/kg, i.g. ) had significant analgesic and anti-inflammatory effects compared to physiological saline solution, and more significant anti-inflammatory effects compared to acetylsalicylic acid ( 200 mg/kg, i.g. ). 2 000 mg/kg extract(i.g.)had a very significant anti-inflammatory effects compared to acetylsalicylic acid (200 mg/kg, i.g. ). Conclusion: The aqueous extract had a significant analgesic and anti-inflammatory effects and had no acute toxicity.

  16. Exceptional recurrence of flank destabilizations in the recent activity of the Colima volcanic complex, Mexico; Recurrence exceptionnelle de destabilisations de flanc dans l`activite recente du complexe volcanique du Colima, Mexique

    Energy Technology Data Exchange (ETDEWEB)

    Komorowski, J.C. [IPGP, (Mexico); Siebe, C. [Institut de Geofisica, UNAM (Mexico); Rodriguez, S. [Institut de Geologia, UNAM (Mexico); Cortes, A.; Navarro, C.; Gavilanes, J.C.

    1996-12-31

    This short paper reports on new {sup 14}C datings of debris flow units from the Nevado de Colima and Fuego de Colima volcanoes in Mexico. These new datings in connection with a detailed stratigraphic study in the deep canyons around the volcanoes has revealed an exceptional recurrence of flank destabilizations of the Fuego de Colima during the last 45000 years. The cumulated volume of debris in the whole Colima massif is estimated to 60-100 km{sup 3}. The correlation between Landsat satellite pictures and the distribution and age of the debris flows shows that both volcanoes are made of several post-destabilization remaining structures, and that both volcanoes were active and simultaneously collapsed 18500 years ago. The numerous fluvial-lacustrine sequences intercalated between the successive flows indicate that the debris flow were partially sedimented under water and could have led to catastrophic tsunamis towards the Pacific coast. Implications of this work are important because a population of more than 200000 inhabitants is living in a zone covered by several debris flows. (J.S.).

  17. AREVA Technical Days (ATD) session 3: operations of the reactors and services division, technical and economic aspects; AREVA Technical Days (ATD) session 3: les activites du pole reacteurs et services, aspects techniques et economiques

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    These technical days organized by the Areva Group aims to explain the group activities in a technological and economic point of view, to provide an outlook of worldwide energy trends and challenges and to present each of their businesses in a synthetic manner. This third session deals with the reactors technologies basics, the EPR and SWR 1000 issues and outlook, the nuclear systems of the future, the business opportunities and business models. (A.L.B.)

  18. Évaluation du pouvoir allergisant de mélanges complexes : étude de la réactivité de molécules sensibilisantes en mélanges envers des peptides nucléophiles

    OpenAIRE

    Lang, Matthieu

    2012-01-01

    Contact dermatitis is one of the most common health problems. It has unfortunately no cure yet. The only way to prevent it is to avoid contact with the allergen. Numerous tests have been developed in order to evaluate the allergenic potency of the tested chemical. One of these tests is the Direct Peptide Reactivity Assay (DPRA) which aim is to mimic one of the key steps leading to sensitisation: the formation of an antigenic complex by reaction between the allergen and a cutaneous protein. Du...

  19. Where, when, how: the place of radioactive wastes in France. Andra, 1998 activity report; Ou, quand, comment: la place des dechets radioactifs en France. Andra, rapport d'activite 1998

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-07-01

    The 1998 activity report of the French national agency of radioactive wastes (Andra) presents successively: the role and missions of the Andra (history, status of radioactive wastes in France, surface storage and know-how, underground research laboratories, site selection and public information); the aspects of safety (inventory, identification and labelling of wastes, environmental policy, public relation, safety rules and reports, information storage); the scientific programs (collaborations, financing, site studies, rock mechanics and reversibility of storage, design of storage facilities, services); financial report. (J.S.)

  20. Powernext Day-Ahead. Powernext Futures. Powernext Carbon. Powernext Weather. 2006 activity assessment; Powernext Day-Ahead. Powernext Futures. Powernext Carbon. Powernext Weather. Bilan d'activite 2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    Powernext SA is a Multilateral Trading Facility which organizes and warrants the transactions on the European power exchange and CO{sub 2} exchange markets. This activity report presents the highlights of the market and of Powernext in 2006: market conditions (prices on the electricity market, prices on the CO{sub 2} emission allowances market, weather conditions, institutional aspects of the CO{sub 2} market, power generation and consumption, situation at the borders, fuel prices), traded volumes on Powernext (Powernext Day-Ahead{sup TM} in the case of day-ahead contracts, Powernext Futures{sup TM} in the case of medium-term contracts, and Powernext Carbon in the case of CO{sub 2}), new active members, and Powernext liquidity on the power market. (J.S.)

  1. Optimization of the ALARA principle for the management and elimination of very low level radioactive waste; Optimisation de principe ALARA en matiere de gestion et d'elimination de dechets radioactifs de tres faible activite

    Energy Technology Data Exchange (ETDEWEB)

    Regibeau, A.; Caussin, J.; De Spiegeleer, M.; Poelaert, M. [Univ. Catholique de Louvain, Service de Radioprotection, Louvain-la-Neuve (France)

    1992-07-01

    The management of low level solid radioactive waste, as proposed by the National Institutions, cannot be applied to waste produced in a University environment. The report from the Universite Catholique de Louvain (UCL) states the reasons and the procedure which has been set up by the radioprotection department. It describes the storage facilities and details the quality control tests carried out during the elimination process. The report outlines the difficulties encountered by the radioprotection departments due to the absence of normes for the disposal of solid radioactive waste. (author)

  2. Activité physique et produits dérivés du soja : intérêts dans la prise en charge du stress oxydant associé au diabète de type 1

    OpenAIRE

    Malardé, Ludivine

    2012-01-01

    Oxidant stress (OS) is well known to contribute to the onset and the development of diabetic complications. OS mainly result from marked rises in blood glucose level. Insulin treatment is required to keep patients alive, but fails to prevent long term complications progression, which result from hyperglycemic induced OS.In healthy people, diet and/or physical activity succeed to significantly reduce OS. Physical activity exhibit moreover glucoregulatory properties.Consequently, the aim of thi...

  3. Geothermal progress monitor. Progress report No. 1

    Energy Technology Data Exchange (ETDEWEB)

    1979-12-01

    Progress is reported on the following: electrical uses, direct-heat uses, drilling activities, leases, geothermal loan guarantee program, general activities, and legal, institutional, and regulatory activites. (MHR)

  4. Assessment of exposures to ionizing radiation in industries and activities implementing raw materials which naturally contain radionuclides and which are not used because of their radioactive properties. Assessment of the 25. of May 2005 Order related to these activities; Evaluation des expositions aux rayonnements ionisants dans les industries et activites professionnelles mettant en oeuvre des matieres premieres contenant naturellement des radionucleides non utilises en raison de leurs proprietes radioactives. Bilan de l'application de l'Arrete du 25 mai 2005 relatif a ces activites

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2009-12-15

    This report proposes an assessment of the exposure of workers and of population to reinforced natural radioactivity associated to some particular professional activities, i.e. activities where raw materials which are used, are naturally radioactive, for example: coal combustion in thermal power plants, ore processing (tin, aluminium, copper, titanium, niobium, bismuth, thorium), production of refractory ceramics, production or use of thorium compounds, zircon or baddeleyite production, and so on. After a presentation of the French national regulation, the report gives an assessment of its application through different measurements or surveys, notably dosimetry performed on workers or population exposure measurements, or some waste management activities. It discusses the evolution opportunities of this regulation, either in the French framework or at the European level

  5. Environment and Organisation

    DEFF Research Database (Denmark)

    Jørgensen, Michael Søgaard; Jørgensen, Ulrik; Rasmussen, Bent Hesse

    1998-01-01

    The article presents the theoretical and methodological concept for teaching in environmental company activites at the post-graduate masters programme in Environmental Management at DTU......The article presents the theoretical and methodological concept for teaching in environmental company activites at the post-graduate masters programme in Environmental Management at DTU...

  6. 2005 dossier. ANDRA's researches on the geological disposal of high-level and long-lived radioactive wastes. Results and perspectives; Dossier 2005. Les recherches de l'Andra sur le stockage geologique des dechets radioactifs a haute activite et a vie longue. Resultats et perspectives

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-06-15

    This document makes a status of the researches carried out by the French national agency of radioactive wastes (ANDRA) about the geologic disposal of high-level and long-lived radioactive wastes in deep geologic formations (argilites and granites). Content: 1 - Research on deep disposal of radioactive waste: general interest task: Legislative framework, ANDRA scientific objectives, Inspections and assessments; 2 - Designing a safe and reversible disposal system: Repository safety, Reversibility: an essential requirement; 3 - Clay Research on a repository in a clay formation, A long research programme, Dossier 2005 Argile; 4 - Meuse/Haute-Marne site clay: Expected properties of the rock formation, Choice of argillite, Meuse/Haute-Marne site, Conclusions from 10 years of research at the Meuse/Haute-Marne site; 5 - Repository installations: Safe and reversible architecture, Disposal of B waste, Disposal of C waste, Possible disposal of spent fuel (CU); 6 - The disposal facility in operation: From waste packages reception to their disposal in cells, Stages of the progressive closure of engineered structures; 7 - Reversible management: Freedom of choice for future generations, Various closure stages; 8 - Long-term evolution of the repository: Apprehending the repository complexity Main evolutions expected, Slow and limited release of radioactive substances; 9 - Repository safety and impact on man: Several evolution scenarios, Normal evolution, Altered evolution; 10 - Granite Research on a repository in a granite formation: A global approach, Scientific co-operations, Dossier 2005 Granite; 11 - Characteristics of French granite formations: What properties are required for a repository?, Different types of granite formations; 12 - Repository installations: Repository design adapted to granite fractures, Clay seals to prevent water flows, Waste disposal packages ensuring long-term leak-tightness, Physical and chemical environment favourable for waste packages, Architecture limiting the effects of heat; 13 - Results Status of progress and new perspectives: Fifteen years of considerable progress in research, The feasibility of a repository in a clay formation has been established, A repository in a granite formation is conceivable, After 2006: What are the perspectives for research on clay formation?.

  7. Pourbaix diagrams of actinides in molten chlorides using an indicating electrode for oxide ion activity; Etablissement de diagrammes de Pourbaix des actinides dans les chlorures fondus au moyen d'une electrode indicatrice de l'activite des ions oxyde

    Energy Technology Data Exchange (ETDEWEB)

    Lambertin, D.; Lacquement, J. [CEA Valrho, (DCC/DRRV/SPHA), 30 - Marcoule (France)

    2000-07-01

    Pyrochemical separation methods using high temperature molten salt media could emerge as promising and valuable routes compared with aqueous methods for separation and transmutation strategies for long-lived radionuclides. A good knowledge of the molten salt chemistry is essential for controlling these separations, and elementary data are required for molten halide salts, which can be readily provided by electrochemical methods. Applying the chemical principles of aqueous solutions to the molten salt media, Pourbaix diagrams - called in this case potential-oxo-acidity (pO{sup 2-}) - can be plotted. They offer a rapid and comprehensive view of the thermodynamic properties of selected elements in a solvent of interest. Two methods are available for preparing these diagrams. The first is based on available thermodynamic data on pure element oxide (and oxychloride) compounds and on element chloride activity coefficients in melt (which can be electrochemically determined). In this method, we consider the oxide anion exchange reactions between the pure compounds, water and hydrogen chloride. The second method is a direct and experimental determination of the oxo-acidic properties of the studied element chlorides in melts. Use of an Yttria-Stabilised Zirconia Membrane (YSZM) electrode (oxide anion selective electrode) helps determine the nature of the stable oxide compounds in melts as well as their stabilities. The YSZM is used with a silver/silver chloride reference system, and was developed 25 years ago. Two examples of Potential-acidity diagrams. Employing the first method and the determination of the standard potential of plutonium in LiCl-KCl and NaCl-KCl eutectic mixtures, potential-oxo-acidity diagrams were plotted for these melts at various temperatures. It was found that the stability domain for plutonium chloride depends on the melt composition (influence of oxide anion solvation). We also used the Omega acidity function - based on reaction (1) - which is a function of state, since it is only dependent on gas partial pressures. The pO{sup 2-} entity characterizing the melt oxo-acidity is accordingly related to Omega. The knowledge of the equilibrium constant K allows calibration of the pO{sup 2-} scale with respect to the universal Omega scale. Note also that while pO{sup 2-} and pK depend on the melt temperature and composition, this is not the case for the term involving the partial pressures of hydrogen chloride and water, so that Omega can be set independently of the working temperature. Universal potential-acidity diagrams were thus prepared. In the first method, the oxychloride is assumed to be insoluble. We therefore preferred to determine experimentally the stabilities of the element oxychloride and oxide and their physical state (solvated or precipitated) in the melt, considering the second method. For instance, the well-known cerium system was used to validate the YSZM electrode operating procedure, and potentiometric titrations of cerium chloride with carbonate anion serve to characterize the speciation of cerium in the melts as a function of acidity. Similar experiments are planned with plutonium and americium compounds. (author)

  8. Impact of the daily variations of the air pollution on the ambulatory emergency health services activity. Study in the urban area of Rouen (France); Impact des variations quotidiennes de la pollution atmospherique sur l'activite du dispositif d'urgences pre-hospitalieres. Etude dans l'agglomeration de Rouen

    Energy Technology Data Exchange (ETDEWEB)

    Hautemaniere, A.; Czernichow, P.; Germain, J.M.; Zeghnoun, K. [Centre Hospitalier Universitaire, Dept. d' Epidemiologie et de Sante Publique, 76 - Rouen (France); Delmas, V. [Air Normand, 76 - Rouen (France); Falourd, J.C.; Dureuil, B. [Service d' Aide Medicale Urgente de Seine Maritime, 76 - Rouen (France)

    2000-10-01

    The aim of this study was to evaluate feasibility of using both the emergency phone calls (SAMU) and medical interventions (SMUR) related to ambulatory emergency services for local epidemiological surveillance of health impact of air pollution. A temporal ecological study was performed at Rouen area (france) (380000 inhabitants) for 1990-1997 (SAMU) and 1990-1996 (SMUR). The pollutants tested were: Sulphur dioxide (SO{sub 2}), Particles (PM13), and Nitrogen dioxide (NO{sub 2}), as collected routinely by a local automated network. For each phone call (SAMU) or emergency interventions (SMUR), the date, medical reason for calling (SAMU) or diagnosis after interventions (SMUR) (classified as respiratory, cardiovascular or other diseases) have been extracted from a specific information system. A statistical analysis based on time series analysis associated to a Poisson regression was conducted, taking into account temporal trend, seasonal variations, influenza, days of the week, holiday and meteorological data. An association was observed between ambulatory emergency services activity for cardiovascular diseases, and the daily variations of both SO{sub 2} (relative risk = 1.008 [1.001-1.016] for SAMU with an increase of 10{mu}g/m{sup 3}) and NO{sub 2} (relative risk 1.018 [1.008-1.030] for SAMU, relative risk = 1.016 [1.001-1.032] for SMUR with an increase of 10{mu}g/m{sup 3}). No association could be observed with the respiratory diseases for these pollutants. The ambulatory emergency services activity data could contribute to an epidemiological surveillance of the health impact of the air pollution, but a better quality of data collected (concerning both procedures and codification) is requested. The interest of an epidemiological surveillance, rather than usual pollutant monitoring, remains to evaluate. (authors)

  9. Propositions for the implementation and reinforcement of surveillance activities of exposure and risks associated to radon inhalation; Propositions pour la mise en place et le renforcement d'activites de surveillance des expositions et des risques associes a l'inhalation du radon

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-10-01

    This report treats exclusively of exposure by inhalation. It expresses the propositions relative to the implantation and the development of an information network allowing to characterize the radon exposures by inhalation and associated risks. (N.C.)

  10. Glutamine synthetase activity in solanaceous cell suspensions accumulating alkaloids or not. {sup 13}C NMR and enzymatic assay; Activite de la glutamine synthetase dans des suspensions cellulaires de solanacees productrices ou non d'alcaloides. RMN du {sup 13}C et dosage enzymatique

    Energy Technology Data Exchange (ETDEWEB)

    Mesnard, F.; Marty, D.; Monti, J.P. [Faculte de Pharmacie, 80 - Amiens (France). Laboratoire de Biophysique, Groupe de Recherche des Biomolecules: micro-environnement et Metabolisme; Gillet-Manceau, F.; Fliniaux, M.A. [Faculte de Pharmacie, 80 - Amiens (France). Laboratoire de Phytotechnologie

    1999-09-01

    The metabolism of labelled pyruvate followed by {sup 13}C NMR and the measure of glutamine synthetase (GS) showed, according to previous results, a high activity of this enzyme in suspension cells of Nicotiana plumbaginifolia. This activity could derive glutamate from the alkaloidsynthesizing pathways. However, a recent work showed that the rate of the GS gene transcription was inversely proportional to the Gln/Glu ratio. The measures of Gln and Glu concentrations in Nicotiana plumbaginifolia cells revealed that high GS activity correlates with the weak value of Gln/Glu ratio. Therefore, the hypothesis of GS dysfunction for the non-biosynthesis of alkaloids in N. plumbaginifolia suspension cells can be discarded. This conclusion is strengthened by the results obtained when using a GS inhibitor. (author)

  11. Agriculture d'autosubsistance et développement agricole en milieu rural dans la région des Bamanga-Bengamisa (Haut- Zaïre (enquêtes sur les activités agricoles au Zaïre

    Directory of Open Access Journals (Sweden)

    Mulongo, KM.

    1989-01-01

    Full Text Available Survival agricultural and agricultural development in Bamanga-Bengamisa rural area (surveys on farm business in Upper Zaire Province. More than a year of investigation allows us to collect informations about 105 Bamanga rural households. The aim of these surveys was to realize how farmers thing that is possible to improve their agricultural incomes. In spite of the proximity of the National Fertilizer Program (FAO and Zaire agreement for fertilizer use in rural area, nobody thought that manure is an issue of the problem. Twenty-three percent of farmers hope that agricultural prices increase and 14 wish that industrial prices be fixed instead of the free price policy applied ago. More than 30 percent of farmers from 15 to 59 years old get on together that palm tree farming is able to improve agricultural incomes ; while 30 percent of farmers's wife believe that the transport of agricultural products from production centers to rural markets is a priority in farming income improvement. Atlast we realized that it is still indispensable to work hard in breeding in order to improve rural welfare.

  12. Project of decree relative to the licensing and statement system of nuclear activities and to their control and bearing various modifications of the public health code and working code; Projet de decret relatif au regime d'autorisation et de declaration des activites nucleaires et a leur controle et portant diverses modifications du code de la sante publique et du code du travail

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    This decree concerns the control of high level sealed radioactive sources and orphan sources. It has for objective to introduce administrative simplification, especially the radiation sources licensing and statement system, to reinforce the control measures planed by the public health code and by the employment code, to bring precision and complements in the editing of several already existing arrangements. (N.C.)

  13. Influence of bacteria and bacterial activity on the evolution of the free corrosion potentials of stainless steels in natural seawater; Influence des bacteries et de leur activite sur l'evolution du potentiel des aciers inoxydables en eau de mer naturelle

    Energy Technology Data Exchange (ETDEWEB)

    Dupont, I

    1996-10-15

    The free corrosion potential of a stainless steel under seawater increases. This increase depends of a lot of parameters, among them is found in particular: the temperature, the presence of molecular oxygen and the microorganisms. The aim of this work is to describe the role of the sea bacteria and of their activities on the increase of this potential. Stainless steel test-pieces have been put in natural seawater at different temperatures and their corrosion potential determined. It has been shown that the potential increases at 20 C but not at 40 C. The marine bacteria, present in seawater and fixed on the test-pieces at 20 and 40 C have been quantified by epi-fluorescence microscopy. The number of bacteria fixed at these two temperatures are similar. A sample of bacteria has been cut off on test-pieces and in seawater at 20 and 40 C. Their phenotypic analysis has allowed to classify them by numerical taxonomy in different phenons and by their metabolic spectra, it has been possible to distinguish the bacteria fixed at 20 C and those fixed at 40 C. The presence of an important bio-film at 40 C in the absence of a change of potential shows that the fixation of bacteria on stainless steel, if it is necessary, is not a sufficient condition for the starting of this phenomenon. The addition of a microbial enzyme in sterile seawater, the glucose oxidase, catalyzing the oxygen reduction in presence of glucose leads to an increase of the potential. The formation of hydrogen peroxide and the decrease of the pH of the medium seem responsible of this phenomenon. All these results have led us to propose a mechanism clarifying the increase of the potential of stainless steel in natural seawater. (O.M.)

  14. 载银纳米二氧化钛粉在义齿基托中抗菌性的初步研究%The Initial Research on the Antimicrobial Activitives of Denture Base with Ag-embedded Nano-TiO2 in Vitro

    Institute of Scientific and Technical Information of China (English)

    任艳云; 李斌; 徐立群; 李广毅

    2009-01-01

    目的 研究载银纳米二氧化钛树脂基托在遮光条件下对口腔常见致病菌变形链球菌、粘性放线菌和白色念珠菌的抗菌效果.方法 测定载银纳米二氧化钛粉剂在体外对变形链球菌、粘性放线菌、白色念珠菌的最低抑菌浓度(MIC),分别以各自的MIC作为载银纳米二氧化钛在聚甲基丙烯酸甲脂(PMMA)义齿基托中的添加基准量,在遮光条件下测定加入载银纳米二氧化钛粉的PMMA义齿基托对变形链球菌、粘性放线菌和白色念珠菌的抗菌率.结果 载银纳米二氧化钛对变形链球菌、粘性放线菌、白色念珠菌的MIC分别为5、2.5、20 g/L;3种MIC载银纳米二氧化钛粉PMMA义齿基托对变形链球菌、粘性放线菌和白色念珠菌的抗菌率分别为75.1%、88.7%、50.1%;扫描电镜观察证实了加入载银纳米二氧化钛的义齿基托试件上的变形链球菌、粘性放线菌比未加抗菌粉的义齿基托试件上的明显减少.结论 遮光条件下,载银纳米二氧化钛粉对3种口腔常见致病菌均有抑制作用,其中粘性放线菌、变形链球菌效果显著,白色念珠菌效果较差.

  15. PRI 8.1: CARNOT. Analysis and research community of the new orientations of the thermodynamics. Activity report june 2002/ june 2004; PRI 8.1: CARNOT. Communaute d'Analyse et de Recherche des Nouvelles Orientations de la Thermodynamique. Rapport d'activite juin 2002/ juin 2004

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    This progress report takes stock on the CARNOT project. This project aims to standardize the different approaches or identify the application fields of each thermodynamical methodology. The cycles analysis and more generally thermodynamical machines (design, energy efficiency, new energy utilization concepts). The environmental impact is also an important topic of the project. (A.L.B.)

  16. Un environnement multimédia privilégiant l’expression en langage naturel, pour des activités éducatives de type piagétien A multimedia environment favouring natural language expression, for educational piagetian games

    Directory of Open Access Journals (Sweden)

    Élisabeth Godbert

    2000-12-01

    Full Text Available Nous nous intéressons dans cet article au développement de logiciels éducatifs proposant, dans un environnement multimédia, multimodal et réactif privilégiant l’expression en langage naturel, des exercices de type piagétien pour l’aide à l’apprentissage du langage. Dans ce type de système, chaque exercice met en jeu un micro-monde d’objets graphiques sur lesquels l’enfant utilisateur peut agir (modification, déplacement, suppression d’objets, etc., en formulant des requêtes en langage naturel auxquelles le système répond. Nous présentons un logiciel éducatif de cette famille, que nous avons conçu et développé ces dernières années. Nous décrivons en premier lieu les objectifs pédagogiques et les fonctionnalités de notre logiciel, puis le système que nous y utilisons pour le traitement automatique du langage. Nous décrivons ensuite l’ensemble des composants qui structure les connaissances qu’il a été nécessaire de modéliser, articuler et gérer pour la réalisation de ce système.This paper deals with the development of educational software, which proposes, in a multimedia, multimodal and reactive environment favoring natural language expression, piagetian games designed for natural language learning. In such systems, each exercise brings into play a micro-world of graphic objects on which the user can act (for example to modify, move or withdraw the objects, by composing natural language queries to which the system gives an answer. We present a software of this type, that has been designed and implemented these last years. We firstly describe the educational objectives and the functionality of the software, then the natural language processing system which is used in it. Finally we describe the set of components that structures knowledge modeled, articulated and managed in order to carry out this educational system.

  17. Contribution of molecular modeling and of structure-activity relations to the liquid-liquid extraction. Application to the case of U(VI) extraction by monoamides; Apport de la modelisation moleculaire et des relations structure -activite a l`extraction liquide-liquide. Application au cas de l`extraction d`U(VI) par les monoamides

    Energy Technology Data Exchange (ETDEWEB)

    Rabbe, C.

    1996-06-07

    In France, spent fuels are in most cases reprocessed. The aim of the reprocessing is to separate the recyclable fissile materials (for instance, uranium and plutonium) of radioactive wastes. The industrial process used until now is the Purex (Plutonium Uranium Refining by EXtraction) process. Recently (1991), the CEA has undertaken researches on the fields of separation and transmutation of long-lived radionuclides as minor actinides. Some molecules with an amide function have been at first considered especially for the uranium extraction. In order to rationalize the research of new extracting molecules, some molecular modeling methods (quantum chemistry calculations, molecular mechanics) have been used. In fact, there are three determining parameters for a molecule to be a good extractant: it has to own: (1) one or several sites which present a sufficient electron density in order that the metallic cation be complexed (2) the smallest possible substituents to avoid interferences with the complexation (3) a sufficient lipophilic effect. (O.M.). 139 refs., 43 figs., 36 tabs.

  18. Clay 2001 dossier: progress report on feasibility studies and research into deep geological disposal of high-level, long-lived waste; Dossier 2001 argile: sur l'avancement des etudes et recherches relatives a la faisabilite d'un stockage de dechets a haute activite et a vie longue en formation geologique profonde

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-12-01

    A French Act of Parliament passed on 30 December 1991 set out the main areas of research required to prepare solutions for the long-term management of high-level, long-lived radioactive waste. The three avenues of research listed in the Act included a feasibility study of the deep geological disposal of these waste, with responsibility for steering the study given to ANDRA, France National Agency for Radioactive Waste Management. Following government decisions taken in 1998, the study focused on two types of geological medium, clay and granite. The clay formations study is essentially based on results from an underground laboratory sited at the border between the Meuse and Haute-Marne departments, where the Callovo-Oxfordian argillite beds are being investigated. No site has yet been chosen for an underground laboratory for the granite study, so for the time being this will draw on generic work and on research carried out in laboratories outside France. ANDRA has decided to present an initial report on the results of its research programme, publishing a dossier on the work on clay formations in 2001 with a second dossier covering the work on granite due for release in 2002. This dossier is thus a review of the work carried out by ANDRA on the feasibility study into a radioactive waste repository in a clay formation. It represents one step in a process of studies and research work leading up to the submission of a report due in 2005 containing ANDRA conclusions on the feasibility of a repository in the clay formation. (author)

  19. Defect assessment in nuclear components: R and D related to industrial problems - synthesis of the research, training and teaching activities; Analyse de nocivite de defauts dans les structures nucleaires: R et D associee aux problemes industriels - synthese des activites de recherche, d'encadrement et d'enseignement

    Energy Technology Data Exchange (ETDEWEB)

    Marie, St

    2007-06-15

    Nuclear industry pays a particular attention to structures integrity problems: well-aware of the possible catastrophic consequence of a major accident, everything is carried out to minimise the risk of such a situation. From the design, and during all the operating life of the plant, a high level of safety is required and checks by the safety authorities, on the basis of reports made by the operator. These two entities ask for R and D activities to support the improvement of the knowledge of the phenomena already identified (as in the case of the vessel of the PWR) or to bring some element of understanding to situation not considered yet, up to the first incident (as in 1998 with the fatigue problems in the thermal mixing zone, at the origin of the Civaux arrest). Among the CEA teams concerned with these problems, the Laboratory of the Structures Integrity and of Normalisation aims to study the integrity problems in metallic nuclear structures leaning on exceptional experimental means: the RESEDA platform allows the realisation of large-scaled tests on analytical tests (representative of analysed phenomena) to reproduce the industrial situation, linked to various and accurate equipment for the measures and the analyses. Three industrial thematics represent to main part of my research activities at CEA in the fracture mechanics field: - the industrial case of the PWR vessel is related to brittle fracture of the ferritic steels, - the piping components, related to ductile tearing and fracture in the brittle-to-ductile domain, - the high temperature fracture mechanics for the components submitted to very complex loadings. (author)

  20. L’Arma dei Carabinieri e le attività di prevenzione e repressione delle organizzazioni criminali /The « Arma dei Carabinieri » and the prevention and repression of organized crime / L’Arme des Carabiniers et les activités de prévention et de répression des organisations criminelles

    Directory of Open Access Journals (Sweden)

    Parente Mario

    2010-03-01

    Full Text Available Organized crime now has an international face: it controls illegal international activities and all the huge profits made by drug trafficking, the illegal weapons business, money laundering and trafficking of human beings. There are new criminals in the international criminal scene: people from North Africa, Nigeria, Albania, Macedonia, Kosovo, Russia and China.Italy is the destination of much illegal migratory flow, so the “Arma dei Carabinieri” is investigating criminal organisation thanks to new investigative resources.It remains a hard obstacle to overcome. Organized crime exploits different countries’ legal systems and exploits the police’s techniques of investigation.In order to fight international organized crime and the trafficking of human beings, it’s important to increase international co-operation and to promote legal agreements.

  1. Activity concentrations of primordial radionuclides in sediments of surface - water dams in southwest Nigeria - a baseline survey; Concentrations des activites des radionucleides primordiaux dans les sediments des retenues des eaux de ruissellement dans le sud-ouest du Nigeria. Etude de reference

    Energy Technology Data Exchange (ETDEWEB)

    Isinkaye, M.O. [University of Ado-Ekiti, Dept. of Physics (Nigeria); Farai, I.P. [Ibadan Univ., Dept. of Physics (Nigeria)

    2008-10-15

    The radionuclide contents of sediment samples collected from 20 surface-water dams in southwestern Nigeria have been determined by low-level gamma-spectroscopy. The average concentration of {sup 40}K in each of the dams varied between 110.9{+-}11.9 Bq kg-1 and 1025.9{+-}36.8 Bq kg{sup -1} with an overall mean ({+-}SD) of 549.3 {+-} 247.6 Bq kg{sup -1} while that of {sup 238}U varied from 17.1{+-}3.6 to 51.9{+-}8.7 Bq kg{sup -1} with an overall mean ({+-}SD) of 27.6{+-}8.5 Bq kg{sup -1} and that of {sup 232}Th varied from 26.2 {+-}3.6 Bq kg{sup -1} to 130.1{+-}23.7 Bq kg{sup -1} with overall mean ({+-}SD) of 62.0{+-}26.1 Bq kg{sup -1}. The variability of the values shows the wide disparity in the measured activity concentrations. The mean radium equivalent of 158.9 Bq kg{sup -1} was calculated for the sediments in the dams. No artificial gamma emitting radionuclide was detected in the samples. (authors)

  2. Evaluation préliminaire de l'activité larvicide des extraits aqueux des feuilles du ricin (Ricinus communis L. et du bois de thuya (Tetraclinis articulata (Vahl Mast. sur les larves de quatre moustiques culicidés : Culex pipiens (Linné, Aedes caspius (Pallas, Culiseta longiareolata (Aitken et Anopheles maculipennis (Meigen

    Directory of Open Access Journals (Sweden)

    Mahari S.

    2006-01-01

    Full Text Available Preliminary evaluation of larvicidal activity of aqueous extracts from leaves of Ricinus communis L. and from wood of Tetraclinis articulata (Vahl Mast. on the larvae of four mosquito species: Culex pipiens (Linné, Aedes caspius (Pallas, Culiseta longiareolata (Aitken and Anopheles maculipennis (Meigen. Aqueous extracts of Ricinus communis leaves and Tetraclinis articulata wood showed strong toxic activity against larvae of several mosquitoes. In this study, insecticide effects of these plant extracts have been investigated on 2nd and 4th instars larvae of Culicidae insects, Culex pipiens (Linné, Aedes caspius (Pallas, Culiseta longiareolata (Aitken and Anopheles maculipennis (Meigen. After 24 hours of exposition, bioassays revealed low lethal concentrations LC50. To control mosquitoes, these plant extracts might be used as natural biocides.

  3. Improvement of personalized Monte Carlo-aided direct internal contamination monitoring: optimization of calculation times and measurement methodology for the establishment of activity distribution; Amelioration des mesures anthroporadiametriques personnalisees assistees par calcul Monte Carlo: optimisation des temps de calculs et methodologie de mesure pour l'etablissement de la repartition d'activite

    Energy Technology Data Exchange (ETDEWEB)

    Farah, Jad

    2011-10-06

    To optimize the monitoring of female workers using in vivo spectrometry measurements, it is necessary to correct the typical calibration coefficients obtained with the Livermore male physical phantom. To do so, numerical calibrations based on the use of Monte Carlo simulations combined with anthropomorphic 3D phantoms were used. Such computational calibrations require on the one hand the development of representative female phantoms of different size and morphologies and on the other hand rapid and reliable Monte Carlo calculations. A library of female torso models was hence developed by fitting the weight of internal organs and breasts according to the body height and to relevant plastic surgery recommendations. This library was next used to realize a numerical calibration of the AREVA NC La Hague in vivo counting installation. Moreover, the morphology-induced counting efficiency variations with energy were put into equation and recommendations were given to correct the typical calibration coefficients for any monitored female worker as a function of body height and breast size. Meanwhile, variance reduction techniques and geometry simplification operations were considered to accelerate simulations. Furthermore, to determine the activity mapping in the case of complex contaminations, a method that combines Monte Carlo simulations with in vivo measurements was developed. This method consists of realizing several spectrometry measurements with different detector positioning. Next, the contribution of each contaminated organ to the count is assessed from Monte Carlo calculations. The in vivo measurements realized at LEDI, CIEMAT and KIT have demonstrated the effectiveness of the method and highlighted the valuable contribution of Monte Carlo simulations for a more detailed analysis of spectrometry measurements. Thus, a more precise estimate of the activity distribution is given in the case of an internal contamination. (author)

  4. (Alpha, gamma) irradiation effect on the alteration of high-level radioactive wastes matrices (UO{sub 2}, hollandite, glass SON68); Effet de l'irradiation (alpha, gamma) sur l'alteration des matrices de dechets nucleaires de hautes activites (UO{sub 2}, hollandite, verre SON68)

    Energy Technology Data Exchange (ETDEWEB)

    Suzuki, T

    2007-06-15

    The aim of this work is to determine the effect of irradiation on the alteration of high level nuclear waste forms matrices. The matrices investigated are UO{sub 2} to simulate the spent fuel, the hollandite for the specific conditioning of Cs, and the inactive glass SON68 representing the nuclear glass R7T7) The alpha irradiation experiments on UO{sub 2} colloids in aqueous carbonate media have enabled to distinguish between the oxidation of UO{sub 2} matrix as initial and dissolution as subsequent step. The simultaneous presence of carbonate and H{sub 2}O{sub 2} (product resulting from water radiolysis) increased the dissolution rate of UO{sub 2} to its maximum value governed by the oxidation rate. ii) The study of hollandite alteration under gamma irradiation confirmed the good retention capacity for Cs and Ba. Gamma irradiation had brought only a little influence on releasing of Cs and Ba in solution. Electronic irradiation had conducted to the amorphization of the hollandite only for a dose 1000 times higher than the auto-induced dose of Ba over millions of years. iii) The experiences of glass irradiation under alpha beam and of helium implantation in the glass SON68 were analyzed by positon annihilation spectroscopy. No effect has been observed on the solid surface for an irradiation dose equal to 1000 years of storage. (author)

  5. Comparaison de différentes techniques de travail du sol en agriculture biologique: effet de la structure et de la localisation des résidus sur les microorganismes du sol et leurs activités de minéralisation du carbone et de l'azote

    OpenAIRE

    Vian, Jean-François

    2009-01-01

    Over the last decades, the surface traditionally ploughed has tended to decrease and replaced by shallow working tillage techniques without soil inversion, i.e., no tillage or reduced tillage with tines or discs. These techniques were mostly developed in conventional farming systems but nowadays they are also developed in organic farming systems. Nevertheless, these tillage techniques could generate crop nutrients deficiencies and a deterioration of soil structure, especially during the first...

  6. Comparaison de différentes techniques de travail du sol en agriculture biologique : effet de la structure et de la localisation des résidus sur les microorganismes du sol et leurs activités de minéralisation du carbone et de l'azote

    OpenAIRE

    Vian, Jean Francois

    2009-01-01

    Depuis quelques décennies, le labour, comme mode de travail du sol, tend à diminuer au profit de différents modes de préparation du sol, allant du travail du sol réduit sans retournement jusqu'au semis direct. De tels modes alternatifs de travail du sol méritent une étude approfondie avant leur diffusion en agriculture biologique (AB) car ils peuvent occasionner des problèmes de nutrition des cultures et une dégradation de la structure du sol au cours des premières années de leur application....

  7. Evaluation préliminaire de l'activité larvicide des extraits aqueux des feuilles du ricin (Ricinus communis L.) et du bois de thuya (Tetraclinis articulata (Vahl) Mast.) sur les larves de quatre moustiques culicidés : Culex pipiens (Linné), Aedes caspius (Pallas), Culiseta longiareolata (Aitken) et Anopheles maculipennis (Meigen)

    OpenAIRE

    Mahari S.; Mellouki F.; Oufara S.; Aouinty B.

    2006-01-01

    Preliminary evaluation of larvicidal activity of aqueous extracts from leaves of Ricinus communis L. and from wood of Tetraclinis articulata (Vahl) Mast. on the larvae of four mosquito species: Culex pipiens (Linné), Aedes caspius (Pallas), Culiseta longiareolata (Aitken) and Anopheles maculipennis (Meigen). Aqueous extracts of Ricinus communis leaves and Tetraclinis articulata wood showed strong toxic activity against larvae of several mosquitoes. In this study, insecticide effects of these ...

  8. Effects of lactobacillus acidophilus cultures on intestines development and digestive enzymes activites of weaned piglets%嗜酸乳杆菌培养物对断奶仔猪肠道发育及消化酶活性的影响

    Institute of Scientific and Technical Information of China (English)

    刘阳; 熊昊; 游金明; 贺琴

    2015-01-01

    研究旨在探讨在断奶仔猪饲粮中添加发酵豆粕及嗜酸乳杆菌培养物对仔猪肠道形态结构及空肠消化酶活性的影响.选用遗传背景、胎次和体重相近的21日龄断奶仔猪48头,随机分为4个处理,每个处理3个重复,每个重复4头仔猪.对照组仔猪饲喂玉米-豆粕型基础饲粮,试验Ⅰ组仔猪饲喂奶粉饲粮(由某公司提供),试验Ⅱ组仔猪饲喂用发酵豆粕代替10.0%普通豆粕的试验饲粮,试验Ⅲ组饲粮是在试验Ⅱ组基础上用嗜酸乳杆菌培养物代替3.0%原有原料,试验期21 d.结果显示:①饲粮中用发酵豆粕代替10%普通豆粕显著提高35日龄仔猪十二指肠、回肠绒毛高度,降低35日龄仔猪隐窝深度,提高绒毛高度/隐窝深度(V/C)(P0.05),但35日龄时Na+/K+-ATP酶活性显著提高(P<0.05).发酵豆粕可改善仔猪空肠微绒毛结构,减缓断奶应激引起的乳糖酶急剧下降,提高蔗糖酶、麦芽糖酶活性.用嗜酸乳杆菌培养物替代原有原料3%后各指标效果更好,替代后其效果与奶粉饲粮的效果相当.%This experiment was conducted to study the effects of weaned piglets dietary adding solid-state fermented soybean meal (FSBM) and lactobacillus acidophilus cultures on small intestine villi state structure and enzyme activity of jejunum mucosa. A total of 48 piglets weaned at 21 days of age and with the similar genetic background were randomly allotted to 4 treatments with 3 replicates per treatment and 4 piglets per replicate using a randomized complete-block design. The controlled piglets were fed basic diet with a type of corn and soybean meal, experiment group Ⅰ piglets were fed milk powder diet, experiment group Ⅱ piglets were fed the diet of 10.0%FSBM instead of the ordinary soy? bean meal, experiment group Ⅲ piglets were fed the diet is based on the experiment group Ⅱ in?stead of 3.0% lactobacillus acidophilus cultures of the original material. The experiment lasted for 21 days. The results showed as follows: ①The intestinal villus height was increased, crypt depth was lowered and the V/C was increased when 10%FSBM was used in diet of piglets to replace soybean meal (P<0.05).②The jejunum and ile?um villus height was increased, the crypt depth was lowered and the V/C was increaseded when 3.0%lactobacillus acidophilus cultures was used in diet of piglets to replace FSBM and other ingredients(P<0.05). ③Through transmission electron microscopy, the jejunum microvillus was observed thin, short and misaligned for piglets in the control group, while that was longer, trim and crowded together for piglets in experiment groups, especially supplementation of lactobacillus acidophilus. ④The activity of disaccharide enzyme (sucrase, lactaid and maltase) was increased when 10% FSBM was used in diet of piglets to replace soybean meal (P<0.05).⑤There were no significant differences in the activity of di?saccharide enzyme and Ca2+/Mg2+-ATPPase in jejunum of piglets fed 10.0% FSBM and 3.0% lactoba?cillus acidophilus cultures (P<0.05), but the Na+/K+-ATPPase activity on 35 d was increased (P<0.05). FSBM can improve the structure of piglets jejunum microvillus, restrain the drop of lactaid activity caused by weaned stress, increase the activity of sucrase and maltase. Supplementation of 3.0% lacto?bacillus acidophilus cultures can improve the above index and its effect was similar to that of the milk powder diet.

  9. Métabolites secondaires des plantes et comportement animal: surveillance sanitaire et observations de l'alimentation des chimpanzés (Pan troglodytes schweinfurthii) en Ouganda. Activités biologiques et étude chimique de plantes consommées

    OpenAIRE

    Krief, Sabrina

    2003-01-01

    In order to select plants with pharmacological effects, behavioural and health monitoring of wild chimpanzees (Pan troglodytes schweinfurthii), from Kibale National Park, in Uganda, has been conducted. Fecal and urine samples ((252 and 76) were analyzed and the health status evaluated. 84 crude extracts from 24 plants species from chimpanzees' diet were tested in vitro for a wide range of biological properties such as antimalarial, anthelminthic, antileishmanial, antimicrobial, cytotoxic acti...

  10. Étude de la structure, des propriétés de surface et de la réactivité de nanoparticules isolées par spectroscopie de photoélectrons par rayonnement synchrotron dans le domaine des rayons X-mous

    OpenAIRE

    2015-01-01

    During the past decade, a world-wide industrial expansion of nanosystems has been taking place at the junction between fundamental and applied sciences. Among these nanosystems, clusters, defined as small particles whose constitution ranges from few atoms (or molecules) to several thousand units, constitute "the missing link" between the isolated atom and the bulk solid. Studying the interactions in the aggregates would allow to understand how the atom is influenced by its neighborhood when i...

  11. Fauna and flora protection. Fishing and aquatic environment. Dams life. Special revision of the Motz dam. Activities of the control services. Hydropower statistics; Protection de la faune et de la flore. Peche et milieu aquatique. La vie des barrages. Revision speciale du barrage de Motz. Activites des services du controle. Statistiques hydroelectriques

    Energy Technology Data Exchange (ETDEWEB)

    Jacquet, J.J. [Direction regionale de l`industrie, de la recherche et de l`environnement, (DRIRE), Rhone-Alpes (France)

    1998-12-31

    This issue of `Barrages` magazine comprise four articles. The first article deals with the French law no 84-512 from June 29, 1984 relative to river fishing and to the management of fish resources. This law stipulates the general concern of the preservation of aquatic ecosystems and of the protection of the piscicultural patrimony. This implies an equilibrated management of piscicultural resources. The hydroelectric power production is also concerned on three aspects: the minimum flow rate of rivers, the passage of migratory fishes, and the emptying of reservoirs. This article recalls some parts of the legislative texts relative to these aspects and the solutions and methodological developments applied to French dams to fulfill the regulations. The second article deals with the complete safety control of the Motz dam (Haute-Savoie, France): present day state, stability, concrete quality, flood risks assessment and project of renovation. The third article presents the results of the decennial and annual control and the main facts that occurred during the second quarter of 1998, while the last paper is a graphic and a table summarizing the statistics about French hydropower production and reservoirs filling. (J.S.)

  12. Neuropathies périphériques et hémopathies B : de l'étude clinique des neuropathies associées à une gammapathie monoclonale IgM à activité anti-MAG au mécanisme de mort cellulaire induit par le Fingolimod (FTY720) dans les hémopathies B

    OpenAIRE

    Delmont, Émilien

    2013-01-01

    Fingolimod (FTY720) is an immunosuppressive drug that was recently approved for the treatment of multiple sclerosis and is currently under pre-clinical investigation as a therapy for a number of haematological malignancies. Previous studies have indicated a role for FTY720 in inducing autophagy and caspase-independent cell death in cancer cells through incompletely characterized molecular mechanisms. Our study thus aims at a beeer understanding of the way of action of FTY720. In chronic lymph...

  13. Safety and exploitation of dams: the inspection equipments (part.1); an international facility: the hydroelectric facility of Emosson. Dams life. Activities of the control services; Securite et exploitation des barrages: les materiels d'auscultation (1. partie); un amenagement international: l'amenagement hydroelectrique d'Emosson. La vie des barrages. Activites des services du controle

    Energy Technology Data Exchange (ETDEWEB)

    Anon.

    2004-07-01

    This issue of Barrages newsletter comprises 4 articles. The first article deals with the instruments used for the inspection of dams and the detection of any drift of dams stability. This article is the first of a series. It presents some general considerations about dams sounding and the apparatuses used. Two types of instruments are presented: the pendulums and the planimeters. The second article presents the conclusions of the decennial and annual inspections of French dams. Only the observations requiring a special follow-up are reported. The third article treats of trans-border facilities which require an international agreement. This is the case of the French-Swiss Emosson dam. The article describes the preliminary negotiations and the main points of the convention signed by both countries. The last article summarizes the activities of the control services for the second quarter of 2004: important facts, administrative instructions, studies, projects and works, services organisation of the different regional directions of industry, research and environment (DRIRE), of the technical service of electric power and big dams (STEEGB) and of the office of technical study and control of big dams (BETCGB). (J.S.)

  14. Le système "pouzzolanes naturelles-chaux-eau" à 38 et 100[C] : relations entre la réactivité chimique, les phases néoformées et les conséquences physico-mécaniques (application aux matériaux volcaniques du Massif Central français)

    OpenAIRE

    Pichon, Herve

    1994-01-01

    The aim of this work is to study the "natural pozzolana-lime-water" system at 38 and 100°C in order to understand the chemical and physical phenomena involved in the pozzolanic reaction. The products of this reaction, the chemical soluble constituents and the mechanical properties of lime-pozzolana mixes allow us to propose a new classification of natural pozzolanas. This classification is based on : - a characterisation and an evaluation of the reactive chemical constituents (unrhyolitic vol...

  15. Harmonizing nuclear safety practices in Europe: WENRA activities in the area of waste management; Harmonisation des pratiques en matiere de surete nucleaire en Europe. Les activites de l'Association des responsables des Autorites de surete nucleaire des pays d'Europe de l'Ouest (WENRA) dans le domaine de la gestion des dechets

    Energy Technology Data Exchange (ETDEWEB)

    Theis, St. [ENSI, groupe de travail de WENRA sur les dechets et le demantelement (Switzerland); Dandrieux, G.; Feron, F. [Autorite de Surete Nucleaire, representante francaise au sein du groupe de travail de WENRA sur les dechets et le demantelement, 75 - Paris (France)

    2011-02-15

    The Western European Nuclear Regulators Association (WENRA) was created in 1999. It originally consisted of the heads of the nuclear safety authorities of the member countries of the European Union (E.U.), plus Switzerland. The original objectives of the Association were: to develop a common approach to nuclear safety and regulation, in particular within the E.U.; to provide the E.U. with an independent capability to examine nuclear safety and regulation in candidate countries; to evaluate and achieve a common approach to nuclear safety and regulatory issues which arise. For the detailed work WENRA set up two working groups, for reactor safety (RHWG: reactor harmonization working group) and a little later for waste and decommissioning (WGWD: working group on waste and decommissioning). The basis for all WENRA work is the WENRA policy statement which as a major promoter of developments contains a self commitment of all WENRA member states to implement without undue delay harmonized requirements produced by the working groups after approval of the WENRA plenary. First WENRA publications receiving much public interest were mainly dedicated to the safety of power reactor, and more recently on new reactors and on long term operation of currently operating reactors. (authors)

  16. Radiobiological study of the radioprotective activity of a natural Iranian compound, ''Shir-Khecht''; Etude radiobiologique de l'activite radioprotectrice d'un compose naturel Iranien: le ''Shir-Khecht''

    Energy Technology Data Exchange (ETDEWEB)

    Rouhanizadeh, N. [Commissariat a l' Energie Atomique, 92 - Fontenay-aux-Roses (France). Centre d' Etudes Nucleaires

    1968-01-01

    After reviewing the primary mechanisms of the action of ionizing radiation, the possible mechanisms of the action of radioprotective substances, the various chemical structures having a protective effect and the methods for studying chemical radioprotection, the author presents the results he has obtained with natural Iranian product: ''Shir-Khecht''. Tests with this product at lethal and sublethal doses have been carried out on the rat using various means of introduction. The effect of radiation, both with and without protection, has been studied using histological and biochemical methods. The product examined has, in effect, a protective action; it is, furthermore, non-toxic and active when taken orally. (author) [French] Apres avoir rappele les mecanismes primaires de l'action des rayonnements ionisants, les mecanismes possibles de l'action des substances radioprotectrices, les diverses structures chimiques possedant un effet protecteur et les methodes d'etude de la radioprotection chimique, l'auteur presente les resultats qu'il a obtenus en utilisant un compose naturel iranien: le ''Shir-Khecht''. Des essais de ce produit, chez le rat, par diverses voies d'introduction, a dose letale et subletale ont ete effectues. L'effet des radiations, avec et sans protection, a ete etudie a l'aide de methodes histologiques et biochimiques. Le compose essaye possede un pouvoir protecteur; il est, de plus, non toxique et actif par voie orale. (auteur)

  17. Faisabilité de localisation d'usagers de la route en détresse par la technique TDOA à l'aide d'un réseau de radiotéléphonie GSM. Rapport d'activités, décembre 2001 - décembre 2002

    OpenAIRE

    2002-01-01

    Contrat INRETS/Région Nord-Pas de Calais n°01-34-0092; Rapport de recherche; La précision de localisation recherchée au sein du réseau cellulaire dédié de deuxième et troisième génération est de l'ordre de grandeur de quelques mètres afin de pouvoir lever l'ambiguïté quant au sens de circulation emprunte par l'usager de la route. Ce paramètre est jugé majeur notamment sur autoroute. Dans la première partie du rapport, nous présentons les différentes étapes du processus de localisation des usa...

  18. Recommendation of the 19 july 2000 ''sanitary risks control of the polluted soils by an industrial activity''; Recommandation du 19 juillet 2000 ''surveillance des risques sanitaires lies aux sols pollues par une activite industrielle''

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    Compare to the laws of the air and water domain, the soils appeared like an affected sector by the environmental policy. This paper proposes actions and elements taken into account concerning the polluted soils. The types of sites and the type of pollution, the good evaluation conditions of the sanitary risks and the general frame of the recommendation are presented. (A.L.B.)

  19. Cristallochimie de Tl III6Te VIO 12 et Tl I6Te VIO 6E 6: un exemple original de l'activitéstéréochimique de la paireélectronique 6s 2(E) du thallium(I)

    Science.gov (United States)

    Frit, Bernard; Roult, Georges; Galy, Jean

    1983-07-01

    Both crystal structures of Tl 6TeO 12 and Tl 6TeO 6E 6 compounds have been determined, the former by X-ray single crystal techniques, the latter by powder neutron diffraction techniques. They crystallize in the trigonal system, space group R3¯ the corresponding hexagonal cell parameters are a = 9.645(2) Å, c = 9.421(2) Å, and a = 9.5722(3) Å, c = 9.3494(4) Å, respectively, with Z = 3. In both compounds tellurium(VI) is octahedrally coordinated to oxygen atoms with Te sbnd O distances of 1.936Åfor the Tl(III)-containing compound, i.e., Tl 6TeO 12, and 1.946Åfor Tl 6TeO 6 (Tl(I)). Tl(III) is surrounded by seven oxygen atoms sitting at the summits of a distorted monocapped trigonal prism. Tl(I) is linked to three oxygen atoms, forming a distorted TlO 3 pyramid. The lone pairs brought by Tl(I) are in the positions precedingly occupied by oxygen atoms in the crystal structure of Tl 6TeO 12. This is an outstanding example of the crystallochemical role of the lone pairs E which act like oxygen atoms, making Tl I6Te VIO 6E 6 isostructural with Tl IIITe VIO 12. Structural relationships with fluorite type network are discussed.

  20. Gamma activity and residual power of a shutdown reactor after an irregular operating. Acta code for IBM computer 7094, 360 or CDC 6600; Activite gamma et puissance residuelle d'un reacteur a l'arret apres un fonctionnement irregulier. Programme Acta pour calculateur IBM 7094, 360 ou CDC 6600

    Energy Technology Data Exchange (ETDEWEB)

    Rafalovitch, A

    1967-07-01

    the aim of this study is to evaluate the influence of the power variation in time. The calculation method and the associated software are described. The last chapter applied the method to a determined problem. (A.L.B.)

  1. Effect of support on the crystalline structure, the acid-base properties and activity of iron based systems in the CO + H{sub 2}O reaction; Influence du support sur la structure cristalline, les proprietes acido-basiques et l'activite des systemes a base de fer en reaction CO + H{sub 2}O

    Energy Technology Data Exchange (ETDEWEB)

    Bouarab, R. [Ecole nationale Polytechnique, Dept. des Sciences Fondamentales, Alger (Algeria); Bouarab, R.; Boudjemaa, A.; Trari, M. [Faculte de Chimie, USTHB, Lab. C. G. N. et L. S. V. E. R., Alger (Algeria); Bennici, S.; Auroux, A. [Institut de Recherches sur la Catalyse et l' Environnement de Lyon, UMR 5256, CNRS-UCB Lyon1, 69 - Villeurbanne (France)

    2009-03-15

    The water gas shift reaction was studied in the temperature range of 350-450 C over iron based catalysts exempt of Cr{sub 2}O{sub 3}. The basic properties and CO conversion of these catalysts are given in the following sequence: Fe{sub 3}O{sub 4}/MgO {>=} Fe{sub 3}O{sub 4}/TiO{sub 2} {>=} Fe{sub 3}O{sub 4} {>=} Fe{sub 3}O{sub 4}/SiO{sub 2}. The basic catalysts are consequently more active than acid ones. On the other hand, the DRX results showed a strong crystalline fraction of MgO in the Fe{sub 3}O{sub 4}/MgO catalyst calcined at 400 C. Hence, Fe{sub 3}O{sub 4}/MgO generates an MgO reservoir able to feed the catalyst surface with formate species during the water gas shift reaction. (authors)

  2. Influence of the size of MoS{sub 2} particles supported on alumina on the activity and the selectivity of hydro-treating reactions; Influence de la taille des particules de MoS{sub 2} supportees sur alumine sur l`activite et la selectivite des reactions d`hydrotraitement

    Energy Technology Data Exchange (ETDEWEB)

    Da Silva, P.

    1998-01-14

    The influence of the size of molybdenum disulfide particles supported on alumina on hydro-desulfurization and hydrogenation reactions has been studied. Different methods have been used to modify the length and the stacking of MoS{sub 2} slabs. MoS{sub 2} slab length measured from Electron Microscopy is increased from 20 to 40 angstroms by increasing loading from 4 to 22 % pds in Mo. These catalysts have been tested and characterised by different techniques. Increasing the sulfiding temperature also leads to an increase in MoS{sub 2} slab length. Bulk MoS{sub 2} and MoS{sub 2}/Al{sub 2}O{sub 3} showing high MoS{sub 2} slab stacking have been prepared from ammonium tetra-thio-molybdate salt. Sulfide phase characterisation results and an hexagonal MoS{sub 2} slab model have been used to estimate a number of edge and corner Mo ions. Catalysts have been characterised by Temperature Programmed Reduction and by CO adsorption at low temperatures (infra-red). Edge and corner Mo ions site densities determined by these techniques are linearly correlated with the number of sites calculated from the hexagonal MoS{sub 2} slab model and the characterisation results. Catalysts have been tested at 350 deg. C, under a total pressure of 4,5 MPa for dibenzo-thiophene hydro-desulfurization and 1-methyl naphthalene hydrogenation in the presence of nitrogen compounds. Linear correlations have been obtained between the catalytic activity and the number of edge and corner Mo sites estimated from different techniques. These results obtained from independent techniques clearly show the essential part played by edge and corner sites on catalytic activity. MoS{sub 2} slab length has no influence on the selectivity hydrogenation/hydro-desulfurization of tested catalysts. On the other side, the increase o stacking of MoS{sub 2} slab un-favours the hydrogenation reaction when compared to the hydro-desulfurization reaction. (author) 169 refs.

  3. Evaluation of technetium 99m-HMPAO leukocyte scanning in the assessment of disease extent and activity in inflammatory bowel disease. Interet de la scintigraphie aux leucocytes marques par le radiopharmaceutique HMPAO [sup 99m]Tc dans le bilan d'activite et d'extension des enterocolites cryptogenetiques

    Energy Technology Data Exchange (ETDEWEB)

    Morelec, I.; Bracquemart, P.; Beades, E.; Bouvard, G.; Fellous, F.; Piquet, M.A.; Dao, T.; Verwaerde, J.C. (Centre Hospitalier Universitaire, 14 - Caen (France)); Coste, J. (Hopital Cochin, 75 - Paris (France))

    1993-01-01

    We have studied prospectively the usefulness of HMPAO [sup 99m]Tc leucocytes scan in patients with Crohn's disease and ulcerative colitis. Abdominal scans were performed 1 h and 2 h 30 after injection of an autologous leukocyte preparation containing 100-200 MBq of Technetium 99m. The extent of bowel involvement, evaluated on the 2 h 30 scan, was compared to X-rays and endoscopic findings. The disease activity was quantified by the intensity of intestinal radionuclide uptake on the 2 h 30 scan and compared with the Crohn's disease activity index (CDAI) sedimentation rate. Forty-five examinations were performed in 40 patients with Crohn's disease or ulcerative colitis. The correlation of the number of locations between leukocyte scan and other diagnosis procedures was good in 40 cases. CDAI was significantly correlated with radionuclide index. Two fistulae and one abscess and small bowel involvement were correctly visualized. This technique provides images of excellent quality, superior to those obtained with indium 111. Therefore, we believe that this test can be useful in the follow-up of patients with Crohn's disease and ulcerative colitis.

  4. Exposure to ionizing radiations having a medical origin. Propositions for the implementation and the development of epidemiology surveillance activities in general population; Exposition aux rayonnements ionisants d'origine medicale. Propositions pour la mise en place et le developpement d'activites de surveillance epidemiologique en population generale

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-09-01

    This report gives propositions relative to the implementation and the development of epidemiology surveillance activities in general population in relation with medical exposure to ionizing radiations. It is intended for the General Direction of Health and General Direction of Nuclear Safety and Radiation Protection. These propositions have been elaborated by a work group coordinated and run by InVS and gathering the following organisms: French Agency of sanitary safety of health products (A.F.S.S.A.P.S.), Center of Quality Assurance of technological applications in the area of health (C.A.A.T.S.), Direction of Hospitals and Care organization (D.H.O.S.), General Direction of Health (D.G.S.), General Direction of Nuclear Safety and Radiation Protection (D.G.S.N.R.), National Federation of radiologists physicists (F.N.M.R.), institute of Radiation Protection and Nuclear Safety (I.R.S.N.), INSERM 'epidemiology of cancers', French Society of Biology and Nuclear Medicine (S.F.B.M.N.), French Society of Medical Physics (S.F.P.M.), French Society of Radiology (S.F.R.). (N.C.)

  5. Comparative study of radiochemical purity of Neurolite 1, Ceretec1, Cerestab 1 preparations labelled with {sup 99m}Tc in function of time and activity used; Etude comparative de la stabilite de la purete radiochimique de preparations de Neurolite1, Ceretec1 et Cerestab1 marquees au {sup 99m}Tc en fonction du temps et de l'activite utilisee

    Energy Technology Data Exchange (ETDEWEB)

    Lemoine, E.; Lopez, V.; Giraud, F.; Pisano, P. [CHU Timone, Service de radiopharmacie, 13 - Marseille (France)

    2010-07-01

    the radiochemical purity (R.C.P.) of the 'Ceretec' and the 'Cerestab' labelled by a {sup 99}Tc activity up to 3.7 GBq is satisfying 10 mn after the labelling, however, it becomes under 90% if the activity used goes over 3.7 GBq. The R.C.P. of the 'Cerestab labelled with an activity over 1 GBq is not stable on 6 hours. (N.C.)

  6. Determination of species activities in organic phase. Modelling of liquid-liquid extraction system using uniquac and unifac models; Determination des activites des especes en phase organique. Application d`uniquac et unifac a la modelisation des systemes d`extraction liquide-liquide

    Energy Technology Data Exchange (ETDEWEB)

    Rat, B. [CEA Saclay, 91 - Gif-sur-Yvette (France). Dept. de Recherche en Retraitement et en Vitrification]|[Paris-6 Univ., 75 (France)

    1998-12-31

    The aim of nuclear fuel reprocessing is to separate reusable elements, uranium and plutonium from the other elements, fission products and minor actinides. PUREX process uses liquid-liquid extraction as separation method. Numerical codes for modelling the extraction operations of PUREX process use a semi-empirical model to represent the partition of species. To improve the precision and precision and predictive nature of the models, we looked for a theoretical tool which permits to quantify medium effects, especially in the organic phase, for which few models are available. The Sergeivskii-Dannus model permits to quantify deviations from ideality in organic phase equilibrated with aqueous phase, but with parameters depending on extractant/diluent ratio. We decided to investigate UNIQUAC and UNIFAC models which permit to estimate activity coefficients in non-electrolytic phases taking account of the mutual interactions of molecules and their morphology. UNIFAC is based on UNIQUAC but molecules are considered as structural groups assemblies. Before applying these model to extraction systems, we investigate their abilities to describe simple systems, binary and ternary systems. UNIQUAC has been applied to TBP/diluent mixtures and permits to estimate activity coefficients for diluents whose interactions with TPB are very different in nature and strength. Group contribution (UNIFAC) applied to TBP/alkane mixtures permits to represent the effect of lengthening alkane chain but not the effect of branching. UNIQUAC fails to describe the TBP/diluent/water/non-extractable-salt systems in case of strong TBP diluent interactions. In order to obtain a correct description of these systems, we used the Chem-UNIFAC model, where the INIFAC equation is supplemented with chemical equilibria allowing explicitly for complexes formation and where group contribution is used to describes complexes. We have with Chem-UNIFAC a model available which can take the effect of the diluent into account and permits to represent partition isotherms with the same parameters whichever is TBP/diluent ratio. (author) 118 refs.

  7. 2002 summary of the report on studies and activities. Research on the Disposal of High-level Long-lived Radioactive Wastes; 2002 synthese du bilan des etudes et travaux. Recherches pour le stockage des dechets radioactifs haute activite et a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-01-01

    This synthesis presents the studies underway and the major results obtained in the framework of the second research area prescribed by the Law of 1991 (the feasibility study of a deep geological repository). It also clarifies the French and international contexts of that research, namely with regard to the development of scientific partnerships. Content: 1 - scientific knowledge gained in 2002: packages, materials evolution, works about the clayey environment, works about the granitic environment, modeling approach; 2 - the 2002 granite dossier: context and goals, content; 3 - the 2002 concept choices for the clayey environment: overall architecture, packages and storage cells for B-type wastes, packages and storage cells for C-type vitrified wastes, packages and storage cells for spent fuels; 4 - international context: IAEA, OECD/NEA, integrated group for the safety case (IGSC), forum for stakeholders confidence (FSC), working party on decommissioning and dismantling (WPDD), general direction of energy transport, general direction of research, status of partnerships and bilateral agreements, advance of research cooperations, European Union; 5 - ANDRA's participations to international meetings; 6 - scientific partnerships: Ecole des Mines, BRGM, GdR FORPRO, MoMas, CEA, IFP, PRACTIS, PARIS, 7 - information and evaluation: national commission of evaluation (CNE), scientific committee, permanent group, orientation and follow-up committee; 8 - ANDRA's theses; 9 - ANDRA's publications. (J.S.)

  8. The radiation protection of workers. I.R.S.N.activities in 2005 in the field of radiation protection management; La radioprotection des travailleurs. Activites de l'IRSN en 2005 dans le domaine de la gestion de la radioprotection

    Energy Technology Data Exchange (ETDEWEB)

    Rannou, A.; Ameon, R.; Boisson, P.; Clairand, I.; Couasnon, O.; Franck, D.; Scanff, P.; Rehel, J.L.; Thevenet, M

    2005-07-01

    This report presents the main work carried out by the Institute of radiation protection and nuclear safety (I.R.S.N.) in the year 2005 for the management of occupational radiological protection. it draws up an assessment for this same year of the occupational external exposures to ionizing radiation in France on the basis of passive dosimetry data transmitted to the I.R.S.N. by the approved dosimetry laboratories. (authors)

  9. Bioaccumulation of selenium and induced biological effects in the filter feeding bivalve Corbicula fluminea: influence of ventilatory activity, selenium speciation and route of transfer; Bioaccumulation du selenium et effets biologiques induits chez le bivalve filtreur Corbicula fluminea: prise en compte de l'activite ventilatoire, de la speciation du selenium et de la voie de contamination

    Energy Technology Data Exchange (ETDEWEB)

    Fournier, E

    2005-10-15

    Selenium is an essential micro-nutrient for most of living organisms. However, toxic effects in several ecosystems have been reported in the literature. Toxicity comprehension is difficult due to the complexity of Se oxidation states in the environment. The aim of this thesis work was to acquire knowledge on the physiological and environmental factors involved in bioaccumulation and toxicity processes in the freshwater filter-feeding bivalve C. fluminea. The aims were: i) to define what the factors involved in Se bioaccumulation processes in the bivalve are, ii) to characterize Se bioaccumulation at different biological organisation levels, iii) to investigate Se toxic effects. First experiments, carried out for short term exposure duration (3 days), have permitted to underline the importance of Se chemical speciation in bioaccumulation processes in C. fluminea. It has been shown that the organic form, seleno-methionine, was much more bio-available than the inorganic forms, selenite and selenate. Moreover, the route of transfer was determinant in those processes. Inorganic forms have been better extracted by trophic route, whereas seleno-methionine has been better extracted by the direct route. In our experimental conditions, ventilation of the bivalve has not been a limiting factor for Se bioaccumulation by the direct route, whereas it has been for bioaccumulation by the trophic route. Ventilation has been largely modified by the presence of dissolved selenite and seleno-methionine. We have shown that the kinetics of seleno-methionine bioaccumulation are much more fast than those of selenite. Moreover, when introduced as SeMet, internalized Se appeared to be relatively remanent in soft tissues of C. fluminea in comparison with Se internalized when introduced as selenite. Subcellular and molecular distributions of these forms were very different. Finally, it has been shown that seleno-methionine and selenite could generate weak alterations of the anti-oxidant status and the genetic expression in C. fluminea. On the other hand, important ultrastructural modifications of gill tissues have been observed after selenite and seleno-methionine exposure. (author)

  10. Gestion durable des terrains affectés par les anciennes activités industrielles en Wallonie : les enjeux et les défis posés par l'évaluation des risques dans le cadre des nouveaux développements réglementaires sur la pollution locale des sols

    Directory of Open Access Journals (Sweden)

    Moutier M.

    2004-01-01

    Full Text Available Sustainable management of sites affected by past industrial activities in Wallonia: the stakes and the challenges of “risk assessment” within the framework of the new policy developments on (local soil pollutions. Risk-based land management is a concept that stands out more and more frequently in soil policies adopted by different European countries, as well as within the framework of the future European directive on soil protection. This concept intends to act as a lever for sustainable solution development in terms of rehabilitation by ensuring the following principles: (1 reduction of risks (human health, ecosystems allowing sites to be reused safely (concept of “fitness for use”; (2 prevention of any pollutant dispersion risk (concept of “environmental protection”; (3 long-term care while minimising the burden of controlling, maintenance and monitoring. These ideas have been taken as backdrop for the Walloon decree “on soil remediation and rehabilitation of disused economic activity sites”. Risk control has been taken as a key point for any decision related to historically polluted sites. However, to be effective, this option stands out that reliable and efficient methodological tools are available for land evaluation (risk assessment. Three decision-making tools, specifically developed for the intended applications in the Walloon Region, are presented in the paper: (1 a global risk evaluation method allowing ranking of polluted sites; (2 a method to decide, at the end of the first step of the investigation procedure (preliminary soil investigation, whether further investigations are required or not; (3 a methodological procedure to proceed to a detailed risk assessment at the end of the in-depth investigation step. Perspectives are proposed to improve these first tools. It has also been shown that the challenge of sustainable solutions for the management of polluted sites finally depends on answers that will be progressively developed by the scientific community. These have to take into account all aspects of the Walloon context.

  11. Register of Education and Training Activities in Librarianship, Information Science and Archives = Inventaire des activites de formation dans le domaine de la bibliotheconomie, des sciences de l'information et de l'archivistique = Inventario de las actividades de formacion en la esfera de la bibliotecologia, las ciencias de la informacion y la archivologia.

    Science.gov (United States)

    de Grolier, Eric, Comp.

    This register provides information on information science, librarianship, documentation, and archival science training activities conducted outside regular university courses organized by specialized schools. Based on a December 1980 UNESCO questionnaire survey, the register includes seminars, refresher courses, continuing education courses, and…

  12. The end of the mining activities. Report for the President of the Republic followed by answers of interested organisms and administrations; La fin des activites minieres. Rapport au President de la Republique suivi des reponses des administrations et des organismes interesses

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-12-01

    During more than 200 years, the coal mining took an important place in the economy. The end of this activity will occur in 2005 in France. So the french Government decided to evaluate, in this report, a retrospective and a prospective on the mining costs, the economic and environmental impacts. Legal aspects and the case of the uranium and the potash mines are also presented. (A.L.B.)

  13. Oil exploration and production activities after the flexibilizing of the strategical state monopoly in Brazil: environmental control tools applied by governmental bodies; Activites d'exploration et de production du petrole dans le nouveau scenario de flexibilite du monopole d'Etat au Bresil. Les controles gouvernementaux pour la protection de l'environnement

    Energy Technology Data Exchange (ETDEWEB)

    Malheiros, T.M.M. [IBAMA, Institut bresilien pour l' Environnement et les Ressources Naturelles Renouvelables, Rio de Janeiro, RI (Brazil); La Rovere, E.L. [Centro de Tecnologia, PPE/COPPE/UFRJ, Rio de Janeiro (Brazil)

    2000-07-01

    The goal of this paper is to discuss the environmental control tools applied by Brazilian governmental bodies to oil exploration and production activities after the flexibilizing of the strategical state monopoly in this sector. An analysis of the environmental control tools applied up to now by governmental bodies is needed due to the fast growth rate of these activities in the last few months and to the entrance of new players in this sector. This work presents the new scenario of the flexibilizing of the state oil monopoly in Brazil and the current situation of environmental control tools applied to oil exploration and production activities. Follow some proposals of changes in the environmental licensing procedures, and for the adoption of environmental audits aiming at an improved environmental control of these activities in the current Brazilian context. (authors)

  14. Towards a physical interpretation of third phase formation in liquid-liquid extraction. Application to the Diamex process for the treatment of high radioactive nuclear wastes; Vers une interpretation physique des phenomenes de troisieme phase en extraction liquide-liquide. Application au procede Diamex de traitement des effluents radioactifs de haute activite

    Energy Technology Data Exchange (ETDEWEB)

    Verdier-Erlinger, C

    1998-07-24

    Using SAXS, conductivity and phase behaviour determination we show that concentrated solutions of extractants are organised in reverse oligomeric aggregates which have many features in common with reverse micelles. The aggregation numbers of these reverse globular aggregates as well as their interaction potential are determined experimentally. The sticky sphere interaction is responsible for the de-mixing on the oil phase when in equilibrium with excess oil. Prediction of conductivity as well as formation condition for the third phase is possible using standard liquid theory applied to the reverse micelles. The attractive interaction, modeled with the sticky sphere model proposed by Baxter, is the balance of steric stabilisation introduced by the hydrophobic tails of the extracting molecule and the Van der Waals forces between the highly polarizable water core of the reverse molecule concentration, number of carbon atoms of aliphatic solvents, as well as proton and Neodymium cation concentration. It is shown that van der Waals interactions with a Hamaker constant of 2.5 kT explains the behaviour of DMDBTDMA in dodecane. (author) 184 refs.

  15. Modélisation des mécanismes de formation sous ébullition locale des dépôts sur les gaines de combustible des réacteurs à eau sous pression conduisant à des activités volumiques importantes

    OpenAIRE

    Ferrer, Alexandre

    2013-01-01

    The Pressurized Water Reactors (PWRs) primary circuit materials are subject to general corrosion leading to soluble metallic element (mainly Fe, Ni, Cr, Mn, Co) transfer and subsequent ion precipitation processes on the primary circuit surfaces. When deposited on fuel rods, these species are activated by neutron flux. Thus, crud erosion and dissolution processes induce to primary coolant activity. During a normal operating cycle in a EDF PWR, the volume activity in the coolant is relativly st...

  16. De l’idée au marché : l’ITERG renforce ses activités dans la chimie verte avec la plateforme CEDOP, Centre européen de développement des oléo-produits

    Directory of Open Access Journals (Sweden)

    Alfos Carine

    2012-01-01

    Full Text Available ITERG, the Industrial Technical Centre (CTI for Fats and Oils, under the supervision of the Ministry of Economy, Finance and Employment, located in Pessac has undertaken the project to build a technology platform (to be operational in early 2012 dedicated to innovation and transfer in the field of oleochemicals from experimental to semi-industrial scales. This platform, CEDOP (European Centre for the Development of Oleo-Products can offer within the same entity, expertise and scalability from laboratory to semi-industrial productions, to industrial manufacturers, processors, distributors and value chain actors of oleo-products. This project unique in its design, perfectly in tune with public policies for innovation and development of green chemistry, not only meets the needs of manufacturers and their markets but also the current socio-economic expectations in terms of environment and sustainable development. The CEDOP project total investment reached 8,700,000 € [buildings (laboratories, industrial and pilot halls, technical offices and equipment]. After the positive results of preliminary studies (competition, market research, risk assessment and the inclusion of CEDOP in the “State-Aquitaine Region Contract of Projects”, public institutions (Regional Council, State, FEDER, local and professional organization (ONIDOL brought together 85% of the project funding. Such a support reflects the confidence of the stakeholders in ITERG’s independent entrepreneurial skills in scientific and technology to meet public and professional policies, but above all in the large scope of corporate customers from different sectors of activity, potential future users of the tool. This project for research and technology transfer is fully integrated in ITERG’s development and diversification strategies and aims to develop an attractive lipochemistry-technology cluster.

  17. The coordination of research and innovation activities relative to an emergent technology: the case of batteries for electric and hybrid vehicles; La coordination des activites de recherche et d'innovation dans les phases d'emergence: le cas des batteries pour vehicules electriques et hybrides

    Energy Technology Data Exchange (ETDEWEB)

    Larrue, Ph.

    2000-05-23

    In this thesis, we try to provide elements of a non-deterministic view of the coordination of research activities in the phase of emergence. Firstly, we try to identify the variables that determinate the strength and the characteristics of the imperative of coordination in this very preliminary period of an innovation process. Secondly, we try to evaluate the institutional arrangements that can effectively sustain the coordination of the activities of the various interdependent actors more or less involved in the innovation process. The basic idea of the thesis is that technological innovations do not originate as isolated according to a hypothetical underlying 'nature of the technology', especially when they are controversial and subject to great uncertainties as is the case with regard to batteries for Electric and hybrid Vehicles (EVs). Innovations appear to be generated by means of the interactions of a number of organizations belonging to different 'spheres' (different industries, scientific disciplines, public institutions, etc.). In order to validate a new area of opportunity which is still very uncertain at this preliminary stage, the competences and interests of these different organizations must be coordinated. Because of the complex mix of economic and technological barriers faced by the actors taking part in this innovation process, the area of batteries for electric and hybrid vehicles is the 'perfect laboratory' to investigate the institutional arrangements that can sustain the coordination of research and innovation activities relating to an emerging technology. The empirical and theoretical investigations are mainly focused on pre-competitive research consortia such as the United-States Advanced Battery Consortium (USABC). This case study is conducted through in-depth interviews with key-actors of the area of batteries and electric vehicles. We also use the results of an on-line experts opinions survey we performed. (author)

  18. TFA'Expo Exhibition on the next low level radioactive wastes storage center Andra - Aube Center. January - june 2003; TFA'Expo exposition sur le futur Centre de stockage de dechets de tres faible activite Andra - Centre de l'Aube. Janvier - Juin 2003

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    In order to inform the public on the nuclear installations, the Andra this document on the next storage Center of the Aube, for the low level radioactive wastes. The six parts present, the wastes characteristics, the wastes management, the choice of the site, the organization of the TFA (very low activity wastes), the environmental impacts and the economical impacts. (A.L.B.)

  19. The managerial dilemma between the prescribed task and the real activity of operators: some trends for research for PSA; Le dilemme managerial entre la tache prescrite et l`activite reelle des operateurs: quelques tendances de la recherche pour les EPS

    Energy Technology Data Exchange (ETDEWEB)

    Montmayeul, R.; Mosneron Dupin, F.; LLory, M.

    1993-11-01

    Whatever the level in an organization, the management needs safety indicators to assist decision making on safety. As an indicator, PSA (Probabilistic Safety Assessment) through PHRA (Probabilistic Human Reliability Assessment) accounts for some aspects of human reality. In spite of the limitations of PSAs as a tool in assisting the processing of safety problems, three possible channels for development and progress are suggested ``internal`` improvement of PSAs, by enhancing data and human-behaviour models; extension of the classical applications of PSAs for the purpose of reflection and speculation, and for querying the potential influence of a certain number of factors concerning human behaviour; the extension of PSAs themselves, by developing organizational indicators. Research has been undertaken to evaluate the feasibility of using methods developed for analysis of the psychosocial climate of a company to set up a ``safety culture`` or ``safety climate`` indicator. Such an organizational indicator would reflect perception and opinion of the personnel at a given time, and make it possible to follow their evolutions; effective interpretation of the results needs to be done with the staff concerned. PSA and other indicators are only tools for analysis and aids for decision making, they cannot replace any part of the technical and scientific debate which must be on-going for all aspects of safety. (authors). 20 refs.

  20. Water/rock interactions and mass transport within a thermal gradient Application to the confinement of high level nuclear waste; Interactions solide/solution et transferts de matiere dans un gradient de temperature. Application au confinement des dechets nucleaires de haute-activite

    Energy Technology Data Exchange (ETDEWEB)

    Poinssot, Ch. [CEA Saclay, 91 - Gif-sur-Yvette (France). Dept. d`Entreposage et de Stockage des Dechets]|[Ecole Normale Superieure, 92 - Fontenay-aux-Roses (France). Laboratoire de Geologie

    1998-12-31

    The initial stage of a high level nuclear waste disposal will be characterised by a large heat release within the near-field environment of the canisters. This heat flux caused by radioactive decay will lead to an increase of temperature and a subsequent thermal gradient between the `hot` canisters and the `cold`geological medium. In addition, this thermal gradient will decrease with time due to the heat decay although it could last hundred years. What will be the consequences of such a thermal field varying both on space and time for the alteration of the different constituents of the near field environment. In particular, what could be the effects on the radionuclides migration in the accidental case of an early breach of a canister during the thermal stage? This study brings significant answers to these questions in the light of a performance assessment study. This work is supported by a triple methodological approach involving experimental studies, modelling calculations and a natural analogues study. This complete work demonstrates that a thermal gradient leads to a large re-distribution of elements within the system: some elements are incorporated in the solid phases of the hot end (Si, Zr, Ca) whereas some others are in those of the cold end (Fe, Al, Zn). The confrontation of the results of very simple experiments with the results of a model built on equilibrium thermodynamics allow us to evidence the probable mechanisms causing this mass transport: out-of-equilibrium thermodiffusion processes coupled to irreversible precipitation. Moreover, the effects of the variation of temperatures with time is studied by the way of a natural system which underwent a similar temperature evolution as a disposal and which was initially rich in uranium: the Jurassic Alpine bauxites. In addition, part of the initial bauxite escaped this temperature transformations due to their incorporation in outer thrusting nappes. They are used as a reference. (author)

  1. White Book on means of extending the general tax on polluting activities to intermediary energy consumptions of enterprises; Livre blanc sur les modalites de l'extension de la taxe generale sur les activites polluantes aux consommations intermediaires d'energie des entreprises

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-10-11

    The government decided to engage France in a firm action of reducing the pollutant emission damaging the environment or producing the greenhouse effect. To this aim the taxation upon the consumptions of rare resources the use of which results in an important pressure upon environment, as the energy for instance, constitutes an essential complement to other tools, as for instance, regulations, technical norms, ecological labels, assistance for investments, etc. Thus the fiscal policy constitutes a perennial lever of inciting actors, particularly those acting in economy, to optimize and control their energy consumption or to reduce their greenhouse gas emission. Any pollutant emission avoided represents not only a supplementary protection of the environment but also, in time, the avoidance of a reparatory expenditure for the entire society. To this aim the Parliament has approved in 1999 the creation of a general tax on polluting activities (TGAP) intended to prevent first the local and diffuse pollutions which will be enlarged since 2001 to prevent the global pollutions, first of those resulting from greenhouse gas emissions. France engaged itself in the frame of Kyoto conference protocol, adopted in December 1997, to stabilize in 2010 its gas emissions to the level attained in 1990. Actually, taking into account the prospects for economic growth, this engagement needs supplementary efforts. The government's decision, announced last 20 May, of enlarging the TGAP since 2001 to intermediary energy consumptions, is a contribution to this objective. Concerned about the France industry competitiveness, namely to the particular situation of the intensive energy enterprises, exposed to international competition, the government judged advisable to proceed in a large consultation of the concerned economic actors before implementing this enlargement. The White Book makes this engagement concrete. The accuracy of the answers given to the questions, posed in its second part, will allow clarifying the choices of the government in implementing this reform. Tool of inciting and preventing, the enlarged TGAP, allows add to the dividends obtained for environmental protection the resources of a second dividend, the dividend for employment. By substituting for other mandatory taxes pressing on labour, the TGAP will be entirely allotted to lower the social employment quotas. The document presents the government's program, introduces the principles of ecological fiscal policy and the topics of greenhouse effect.

  2. Une activité politique féminine conservatrice avant le droit de suffrage en France et en Italie. Sociohistoire de la politisation des femmes catholiques au sein de la Ligue patriotique des Françaises (1902-1933 et de l’Unione fra le donne cattoliche d’Italia (1909-1919.

    Directory of Open Access Journals (Sweden)

    Magali Della Sudda

    2010-01-01

    Full Text Available Cette recherche historique qui croise les apports des études de genre, de la science politique et de la sociologie religieuse met en lumière la façon singulière dont les militantes d’action féminine catholique sont venues à la politique en France et en Italie durant les premières décennies du XXe siècle. Deux associations catholiques féminines de masse ont fait l’objet de cette analyse comparée : la Ligue patriotique des Françaises active de 1902 à 1933 et l’Unione fra le donne cattoliche d’I...

  3. Une activité politique féminine conservatrice avant le droit de suffrage en France et en Italie. Socio histoire de la politisation des femmes catholiques au sein de la Ligue patriotique des Françaises (1902-1933) et de l'Unione fra le donne cattoliche d'Italia (1909-1919).

    OpenAIRE

    Della Sudda, Magali

    2007-01-01

    Thèse de socio-histoire comparée du politique rédigée entre 2002 et 2007 dans le cadre d'une co-tutelle franco-italienne.; This PhD deals with the forms of public and political activism developed by conservative Catholic women in the Italian Unione fra le donne cattoliche d'Italia (UDCI) and the French Ligue patriotique des Françaises (LPDF) before the 1944 and 1945 that allows full citizenship to French and Italian women. It led me to explore in depth two distinct paths by which such organiz...

  4. Volcanisme, activité anthropique et circulation des masses océaniques : leur influence respective sur la distribution des populations d'ostracodes dans la baie de Kagoshima (île de Kyushu, Japon)Impact of volcanism, human activities, and water mass circulation on the distribution of ostracod populations in Kagoshima Bay (Kyushu Island, southern Japan)

    Science.gov (United States)

    Bodergat, Anne-Marie; Oki, Kimihiko; Ishizaki, Kunihiro; Rio, Michel

    2002-11-01

    The distribution of ostracod populations in Kagoshima Bay (Japan) is analysed with reference to different environmental parameters. The bay is an area of volcanic activity of Sakurajima volcano under the influence of the Kuroshio Current. Most of the Head environment is occupied by an acidic water mass. Numbers of individual and species decrease from the Mouth of the bay towards the Basin and Head environments. In this latter, acidic water mass has a drastic effect on ostracod populations, whereas volcanic ashes and domestic inputs are not hostile. Ostracod distribution is influenced by the quality and structure of water masses. To cite this article: A.-M. Bodergat et al., C. R. Geoscience 334 (2002) 1053-1059.

  5. Représentations dissociatives de l’élevage caprin par les différents acteurs de l’arganeraie: des enseignements pour l’organisation d’un développement territorial basé sur la complémentarité de plusieurs activités

    OpenAIRE

    Araba, Abdelilah; Casabianca, François; Chatibi, Said; Sorba, Jean; Linck, Thierry (ed.); Lacombe, Nicolas

    2013-01-01

    L’arganeraie est une vaste zone forestière endémique du sud ouest du Maroc où coexistent traditionnellement, élevage, agriculture, utilisation du bois, production de « noix d’argan ». Depuis quelques années, elle connait de profondes mutations avec l’explosion des marchés d’exportation de l’huile d’argane et l’émergence d’une nouvelle filière industrielle oléicole et cosmétique globalisée. Le chevreau de l’arganeraie fait aujourd’hui l’objet d’un projet de certification dont l’idée était déjà...

  6. Fondurile cinegetice ale Universității ”Ștefan cel Mare” Suceava – Facultatea de Silvicultură: o retrospectivă a activității [Hunting Funds of Ștefan cel Mare University of Suceava - Faculty of Forestry: a retrospective of work

    Directory of Open Access Journals (Sweden)

    Dănilă G

    2016-12-01

    Full Text Available Ștefan cel Mare University’s Hunting Funds, through the Faculty of Forestry, consists of three hunting territories (HT: HT no. 55 Mitoc, HT no. 69 Râșca, HT no. 56 Salcea. The first two have a high hunting potential for major hunting sedentary game species (wild boar, roe buck, roe deer, hare, wolf, bear. In over 15 years of hunting management, USV has overcome the difficulties imposed by different legislations. Also, USV, along with the University of Brașov, managed to amend Law 407/2006 and to return to free hunting use of the public lands. The teaching and research activities in the hunting territories have resulted in over 15 diploma projects, over 20 scientific articles published in specialized reviews, of which 7 ISI, over 10 scientific papers of which two were the students’ work, two research contracts and a book. The management coherence driven by the specialized staff is reflected in the higher number of top quality trophies, which started to be harvested after about 10 years of management.

  7. Log live high activity radioactive wastes / Researches and results law of the 30 December 1991. Separation and transmutation of long lived radionuclides; Les dechets radioactifs a haute activite et a vie longue / recherches et resultats Loi du 30 decembre 1991. Separation et transmutation des radionucleides a vie longue

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-12-15

    The law of the 30 December 1991 on the high activity long lived radioactive wastes reached the end. This synthesis final document presents the scientific and technological results, obtained still the end of 2005, on the separation and the transmutation of long lived radionuclides of high activity long lived radioactive wastes. It is organized in five chapters: a presentation of the context and the historical aspects, the researches, the objectives and the strategy of the axis 1, the researches results on the advanced separation, the researches results on the transmutation, the scenario of separation-transmutation and their environmental, technical and economical impacts. (A.L.B.)

  8. The radiation protection of workers I.R.S.N. activity in 2005 in the field of the radiation protection management; La radioprotection des travailleurs Activite de l'IRSN en 2005 dans le domaine de la gestion de la radioprotection

    Energy Technology Data Exchange (ETDEWEB)

    Rannou, A.; Ameon, R.; Boisson, P.; Clairand, I.; Couasnon, O.; Franck, D.; Scanff, P.; Rehel, J.L.; Thevenet, M

    2008-07-01

    This report presents the main work carried out by the Institute of Radiation Protection and Nuclear Safety (I.R.S.N.) in the year 2005 for the management of occupational radiological protection. It draws up an assessment for this same year of the occupational external exposures to ionizing radiation in France on the basis of passive dosimetry data transmitted to the I.R.S.N. by the approved dosimetric laboratories. (author)

  9. Non-intrusive measurement of tritium activity in waste drums by modelling a {sup 3}He leak quantified by mass spectrometry; Mesure non intrusive de l'activite de futs de dechets trities par modelisation d'une fuite {sup 3}He et sa quantification par spectrometrie de masse

    Energy Technology Data Exchange (ETDEWEB)

    Demange, D

    2002-07-03

    This study deals with a new method that makes it possible to measure very low tritium quantities inside radioactive waste drums. This indirect method is based on measuring the decaying product, {sup 3}He, and requires a study of its behaviour inside the drum. Our model considers {sup 3}He as totally free and its leak through the polymeric joint of the drum as two distinct phenomena: permeation and laminar flow. The numerical simulations show that a pseudo-stationary state takes place. Thus, the {sup 3}He leak corresponds to the tritium activity inside the drum but it appears, however, that the leak peaks when the atmospheric pressure variations induce an overpressure in the drum. Nevertheless, the confinement of a drum in a tight chamber makes it possible to quantify the {sup 3}He leak. This is a non-intrusive measurement of its activity, which was experimentally checked by using reduced models, representing the drum and its confinement chamber. The drum's confinement was optimised to obtain a reproducible {sup 3}He leak measurement. The gaseous samples taken from the chamber were purified using selective adsorption onto activated charcoals at 77 K to remove the tritium and pre-concentrate the {sup 3}He. The samples were measured using a leak detector mass spectrometer. The adaptation of the signal acquisition and the optimisation of the analysis parameters made it possible to reach the stability of the external calibrations using standard gases with a {sup 3}He detection limit of 0.05 ppb. Repeated confinement of the reference drums demonstrated the accuracy of this method. The uncertainty of this non-intrusive measurement of the tritium activity in 200-liter drums is 15% and the detection limit is about 1 GBq after a 24 h confinement. These results led to the definition of an automated tool able to systematically measure the tritium activity of all storage waste drums. (authors)

  10. Memoire : Public consultation on off road vehicles: Recommendations for reducing pollution and greenhouse gases associated with off road vehicle activities in Quebec; Memoire : Consultation publique sur les vehicules hors route : Recommandations pour la reduction de la pollution et des gaz a effet de serre lies aux activites de vehicules hors route au Quebec

    Energy Technology Data Exchange (ETDEWEB)

    Belisle, A.; Castonguay, M. [Association quebecoise de lutte contre la pollution atmospherique, Saint-Leon-de-Standon, Quebec (Canada)

    2005-06-01

    Recreational or off-road vehicles (ORV) such as snowmobiles, cross-country vehicles and dirt bikes emit significant levels of exhaust gases, thus contributing to air pollution. The Association quebecoise de lutte contre la pollution atmospherique (AQLPA) has prepared a memoire that recommends several means of reducing air pollution emissions generated by ORVs. The memoire discusses measures such as more rigorous regulations regarding the allowed power of the engines; obligations by manufacturers to resort to anti pollution measures; the imposition of strict standards on pollutant emissions; as well as a policy that respects the rights of people and the environment regarding the use and installation of paths for ORVs. Other recommendations include equipping the vehicles with a catalytic converter; obligatory inspection of ORVs; creating a program of re-naturalization near ORV paths; and promoting alternative activities whose practices do not generate greenhouse gases and which do not contribute to air pollution. 7 tabs., 2 apps.

  11. α-Glucosidase Inhibitory Activitives of S.xanthoxylon Bunge ,N.tangutorum Bobr and N.sibirica Pall, grown in Neimenggu from Zygophyllaceae%内蒙古产白刺、小果白刺和霸王α-葡萄糖苷酶抑制活性

    Institute of Scientific and Technical Information of China (English)

    常星; 康文艺

    2012-01-01

    首次利用体外α-葡萄糖苷酶抑制模型对内蒙古产3种蒺藜科植物的9个提取物进行活性评价,并与阳性对照Acarbose比较,发现3种植物均有抑制α-葡萄糖苷酶活性.其中白刺石油醚提取物对α-葡萄糖苷酶的抑制活性(IC50 =81.80 mg/L)最高,其余依次为小果白刺乙酸乙酯提取物(IC50=610.29 mg/L),霸王石油醚(IC50=627.22mg/L)和乙酸乙酯提取物(IC50 =838.40 mg/L),它们的抑制活性远大于阳性对照Acarbose( IC50=1103.01 mg/L).结果发现,不同植物不同溶剂提取物的α-葡萄糖苷酶抑制活性不同.同一植物不同溶剂提取物相比较,甲醇提取物的α-葡萄糖苷酶抑制活性不及乙酸乙酯和石油醚提取物.%The a-glucosidase inhibitory activities of nine extracts from three species of Zygophyllaceae in Neimenggu were evaluated in vitro by 96-microplate-based method for the first time. All these three species showed a-glucosidase inhibitory activities compared with the positive control " acarbose ". Among these nine extracts, petroleum ether extract of Nitraria tangutorum Bobr. Had the highest inhibitory activity (IC50 =81.80 mg/L) .followed by the ethyl acetate extract of N. Sibirica Pall( IC50 = 610.29 mg/L) ,the petroleum ether extract (IC50, = 627. 22 mg/L) and ethyl acetate extract (IC50 =838.40 mg/L) of Sarcozygium xanthoxylon Bunge,all of which are much higher than that of acarbose (IC50= 1103.01 mg/mL). Different extracts of different plants showed different inhibitory activies, while the inhibitory activity of different extracts from the same plant varied a lot. The methanolic extract had lower inhibitory activity than that of ethyl acetate extract and petroleum ether extract.

  12. L'activité physique adaptée pour les personnes atteintes de diabète de type 2 : approche sociologique des "carrières de pratiquant d'APA" dans leurs relations avec la "trajectoire de maladie"

    OpenAIRE

    Barth, Nathalie

    2012-01-01

    Alongside prescription medication, it is recommended that type 2 diabetes patients (T2D) carry out regular adaptedphysical activity (APA), in the same way that they should adopt a new dietary balance (HAS 2006). This incitement to bringabout concrete changes in lifestyle comes up against opposition which is compounded where the patient does not have ahistory of regular physical exercise. Some health organizations have devised innovative arrangements such as health networks,or inter-disciplina...

  13. Calcineurin inhibitor tacrolimus does not interfere with the suppression of hepatitis C virus infection by interferon-α

    NARCIS (Netherlands)

    Q. Pan (Qiuwei); H.J. Metselaar (Herold); P.E. de Ruiter (Petra); J. Kwekkeboom (Jaap); H.W. Tilanus (Hugo); H.L.A. Janssen (Harry); L.J.W. van der Laan (Luc)

    2010-01-01

    textabstractImmunosuppression considerably affects hepatitis C virus (HCV) recurrence and the outcome of antiviral treatment after liver transplantation. Recent findings have suggested that the calcineurin inhibitor tacrolimus (Tac), unlike cyclosporine A (CsA), interferes with the antiviral activit

  14. Joint associations of alcohol consumption and physical activity with all-cause and cardiovascular mortality.

    NARCIS (Netherlands)

    Soedamah-Muthu, S.S.; Neve, De M.; Shelton, N.J.; Tielemans, S.M.A.J.; Stamatakis, E.

    2013-01-01

    Individual associations of alcohol consumption and physical activity with cardiovascular disease are relatively established, but the joint associations are not clear. Therefore, the aim of this study was to examine prospectively the joint associations between alcohol consumption and physical activit

  15. Bottomalnd hardwood reforestatoin plan Dahomey National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — Plan describes anticipated hardwood reforestation activites on agricultural fields of Dahomey NWR form 1992 - 1995. Site selection, tree compositon and spacing are...

  16. Rethinking the principle of subsidiarity / Erkki Vedder

    Index Scriptorium Estoniae

    Vedder, Erkki

    2004-01-01

    Peipsi Koostöö Keskus oli üks 22 partnerist, kes osales EL-i Activite Citizens Network'i poolt algatatud projektis, mille raames tutvustati horisontaalse subsidiaarsuse printsiipi erinevates riikides

  17. Requirements Reasoning for Distributed Requirements Analysis using Semantic Wiki

    NARCIS (Netherlands)

    Liang, Peng; Avgeriou, Paris; Clerc, Viktor

    2009-01-01

    In large-scale collaborative software projects, thousands of requirements with complex interdependencies and different granularity spreading in different levels are elicited, documented, and evolved during the project lifecycle. Non-technical stakeholders involved in requirements engineering activit

  18. Attacks on Fitness Trackers Revisited: A Case-Study of Unfit Firmware Security

    OpenAIRE

    Rieck, Jakob

    2016-01-01

    Fitness trackers - wearables that continuously record a wearer's step count and related activity data - are quickly gaining in popularity. Apart from being useful for individuals seeking a more healthy lifestyle, their data is also being used in court and by insurance companies to adjust premiums. For these use cases, it is essential to ensure authenticity and integrity of data. Here we demonstrate a flaw in the way firmware for Withings' Activit\\'e is verified, allowing an adversary to compr...

  19. Report made on behalf of the commission of foreign affairs about the project of law, adopted by the senate, authorizing the approval of the agreement between the French government and the preliminary commission of the organization of the nuclear test ban treaty, about the conduct of the activities relative to the international control facilities, including the post-certification activities; Rapport fait au nom de la Commission des Affaires Etrangeres sur le projet de Loi, adopte par le Senat, autorisant l'approbation de l'accord entre le Gouvernement de la Republique francaise et la Commission preparatoire de l'organisation du traite d'interdiction complete des essais nucleaires sur la conduite des activites relatives aux installations de surveillance international, y compris les activites posterieures a la certification (ensemble une annexe)

    Energy Technology Data Exchange (ETDEWEB)

    Cazenave, R

    2003-12-01

    France and the preliminary commission of the comprehensive nuclear test ban treaty organization (CTBTO) concluded on July 13, 2001, an agreement about the conduct of the activities relative to the international surveillance facilities. This agreement aims at organizing the modalities of implementation of the surveillance activities carried out by the technical secretariat of the preliminary committee of CTBTO in the French territory. This document is the report of the French national assembly about the project of law for the approval of this agreement. It presents the difficult implementation of an international test ban system, the French commitment in the comprehensive nuclear test ban treaty (CTBT), and the main dispositions of the agreement of July 13, 2001. (J.S.)

  20. The thematic role-playing activity in the constitution of reflective thinking in pre-school children L’activité du jeu thématique de rôles dans la formation de la pensée réfléchie chez le préscolaires A atividade de jogo temático de rol na formação do pensamento reflexivo em pré-escolares (The thematic role-playing activity in the constitution of reflective thinking in pre-school children (L’activité du jeu thématique de rôles dans la formation de la pensée réfléchie chez le préscolaires (A atividade de jogo temático de rol na formação do pensamento reflexivo em pré-escolares

    Directory of Open Access Journals (Sweden)

    Luis Quintanar-Rojas

    2009-12-01

    Full Text Available Actualmente, la neuropsicología infantil aporta la elaboración de métodos útiles para la solución de problemas del desarrollo. Este artículo presenta los resultados de la aplicación del método de juego de roles, en una población colombiana del último nivel de preescolar (48 niños entre los 5 y 6 años de una institución educativa regular privada, en la formación del pensamiento reflexivo. Al grupo experimental se le aplicó el método de juego temático de roles que, de acuerdo con la concepción de Vygotsky y Elkonin, garantiza la adquisición de las neoformaciones psicológicas de la edad preescolar. El análisis pre-test / post-test permitió observar cambios importantes en la actividad escolar de los niños del grupo experimental después de la intervención.

  1. Hydroelectric production, pump-turbines for high fall. The hydroelectric equipping of la Coche (Savoie). Dams life. Dams ecology and management. Activities of the control services. Hydroelectric statistics; Production hydroelectrique, turbines-pompes pour haute chute. L'amenagement hydroelectrique de la Coche (Savoie). La vie des barrages. L'ecologie et la gestion des barrages. Activites des services du controle. Statistiques hydroelectriques

    Energy Technology Data Exchange (ETDEWEB)

    Anon.

    1999-07-01

    This issue of Barrages newsletter comprises 5 articles. The first article deals with the pumped storage facility of la Coche (Savoie, France). This type of storage facility requires the use of specific reversible pump-turbines for high fall reservoirs (900 m). This paper describes the advantages and drawbacks of multi-stage reversible hydraulic machineries and the installation of the la Coche facility. The second article reports on the results of decennial and annual inspections of French dams for the second quarter of 1999: fissures propagation, water oozing, leaks, concrete swelling etc.. Only the observations requiring a special follow-up are reported. The third article is devoted to the degradation of the aquatic ecosystems during periods of dryness and periods of draining (water chemistry, biological and sedimentological surveys). The forth article reports on some important facts (accidents, reservoirs emptying, administrative instructions, technical meetings, planning of inspections etc.). The last article is just a graph and a table summarizing the status of reservoirs filling and power production during the second quarter of 1999. (J.S.)

  2. Areva excellent business volume: backlog as of december 31, 2008: + 21.1% to 48.2 billion euros. 2008 revenue: + 10.4% to 13.2 billion euros; Areva excellent niveau d'activite: carnet de commandes au 31/12/2008: + 21,1% a 48,2 Mds d'euros. Chiffre d'affaires de l'exercice 2008: + 10,4% a 13,2 Mds d'euros

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2009-07-01

    AREVA's backlog stood at 48.2 billion euros as of December 31, 2008, for 21.1% growth year-on-year, including 21.8% growth in Nuclear and 16.5% growth in Transmission and Distribution. The Nuclear backlog came to 42.5 billion euros at December 31, 2008. The Transmission and Distribution backlog came to 5.7 billion euros at year-end. The group recognized revenue of 13.2 billion euros in 2008, for year-on-year growth of 10.4% (+9.8% like-for-like). Revenue outside France was up 10.5% to 9.5 billion euros, representing 72% of total revenue. Revenue was up 6.5% in the Nuclear businesses (up 6.3% LFL), with strong performance in the Reactors and Services division (+10.9% LFL) and the Front End division (+7.2% LFL). The Transmission and Distribution division recorded growth of 17% (+15.8% LFL). Revenue for the fourth quarter of 2008 rose to 4.1 billion euros, up 5.2% (+1.6% LFL) from that of the fourth quarter of 2007. Revenue for the Front End division rose to 3.363 billion euros in 2008, up 7.1% over 2007 (+7.2% LFL). Foreign exchange (currency translations) had a negative impact of 53 million euros. Revenue for the Reactors and Services division rose to 3.037 billion euros, up 11.8% over 2007 (+10.9% LFL). Foreign exchange (currency translations) had a negative impact of 47 million euros. Revenue for the Back End division came to 1.692 billion euros, a drop of 2.7% (-2.5% LFL). Foreign exchange (currency translations) had a negative impact of 3.5 million euros. Revenue for the Transmission and Distribution division rose to 5.065 billion euros in 2008, up 17.0% (+15.8% LFL)

  3. Research strategy and programs about the management of high-level and long-lived radioactive wastes (by right of the article L542 of the environment law and belonging to the December 30, 1991 law); Strategie et programmes des recherches sur la gestion des dechets radioactifs a haute activite et a vie longue (au titre de l'article L542 du code de l'environnement, issu de la loi du 30 decembre 1991) 2002-2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    This document has been prepared by the French public organizations on charge of the researches about the management of radioactive wastes in the framework of the law from December 30, 1991. It was presented at the national commission of evaluation on March 6, 2002. It comprises 6 chapters dealing with: 1 - the methodology, structuration and implementation of researches: main goals; products of the back-end of the fuel cycle and evaluation of fluxes; technical structuration of programs; researches consistency, complementarity and priority; criteria of appreciation of researches relevance; 2 - the main results after 10 years of researches in the framework of the 1991 law: abatement of wastes noxiousness; wastes conditioning; long-term storage; studies on geological disposal; 3 - the main steps towards 2006: separation and transmutation; underground disposal; conditioning and long-term behaviour; 4 - presentation and analysis of research programs: separation-transmutation; feasibility of a deep geologic disposal (clay, granite); conditioning and storage (containers, storage and long-term behaviour); 5 - coordination: authorities, share of data, research programs; 6 - international collaborations; appendixes. (J.S.)

  4. Strategy and research programs on the long life high activity radioactive wastes management (concerning the article L542 of the environment code, of the law of the 30 December 1991). Knowledge and perspectives; Strategie et programmes des recherches sur la gestion des dechets radioactifs a haute activite et a vie longue (au titre de l'article L542 du code de l'environnement, issu de la loi du 30 decembre 1991). Acquis et perspectives

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    Describing the research strategy and the programs around the three axis, separation and transmutation - deep underground storage - conditioning and long time disposal, this document is a reference concerning the research programs of the law of the 30 December 1991. This 2004 edition presents the historical approach and the main context, the objectives, the methods and criteria followed, the research program organization and implemented coordination structures. It provides also the results of the last ten years. (A.L.B.)

  5. Dat'a' RTE - ' Balance Responsible data ' Service. You would like to manage your activities more effectively, and that's why RTE is offering new services that give you access to personalized data; Dat'a' RTE offre ''donnees de responsable d'equilibre''. Vous souhaitez mieux piloter vos activites, RTE vous propose un nouveau service de mise a disposition de donnees personnalisees

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-06-01

    RTE, the French manager of the power transportation network, already offers a service under which it publishes public data on its web site ; it aims to improve the way the electricity market works in a transparent and nondiscriminatory fashion. To better respond to the needs of actors in the electricity market, RTE has developed new Dat'a' RTE services, giving them access to detailed, personalized and confidential data. Dat'a' RTE is the main electronic channel used for exchanging personalized data between RTE and customers. The 'Balance Responsible Data' service completes and enhances the other services associated with the 'Balance Responsible Entity' service. For a detailed picture and greater reactivity, the customers have access to the basic data used to calculate imbalances as soon as they are processed by RTE. They become definitive from the point in time specified in the Balance Responsible Entity contractual documents. The price of this service is dependent upon the size of the customer's Balance Responsible perimeter.

  6. Research strategy and programmes on the management of long-lived high-level radioactive waste (pursuant to article L542 of the environmental code taken from the law of December 30, 1991); Strategie et programmes des recherches sur la gestion des dechets radioactifs a haute activite et a vie longue (au titre de l'article L542 du code de l'environnement, issu de la loi du 30 decembre 1991)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2002-07-01

    This report is made of two parts: the first part is a status report which highlights the main achievements of all research activities conducted in 2001 in the global context of national and international efforts on nuclear waste management (partitioning and transmutation, disposal in deep geological formations, conditioning and storage, national and international collaborations, report no 7 of the national review board (CNE), the Global 201 conference and the year 2001 highlights). The second part is the executive summary of the 2002 edition of the 'Research strategy and programmes' document. The new edition has ben reorganized according to previous editions in an effort to make it more concise, clearer and more comprehensive. Chapter 1 now focusses entirely on the methodology followed by all research partners and stakeholders in structuring and implementing research programmes. Chapter 2 is new and provides a summary of the major research results 10 years after the 1991 law became effective. Chapter 3 is also new and highlights the major milestones yet ahead and identified in terms of both objectives to be attained and key steps leading up to 2006. Chapter 4 contains a detailed description and analysis of the programmes envisaged and the last 2 chapters discuss very broadly the coordination of research activities and the way they are being implemented both at national (chapter 5) and international (chapter 6) levels. (J.S.)

  7. Anadolu Öğretmen Lisesi Öğrencilerinin Uygulamaları İzleme Etkinliklerine İlişkin Görüşleri ve Bu Etkinliklerin Öğretmenlik Mesleğine Yönelik Tutumlarına Etkisi Anatolian Teacher Training High School Students’ Views On The Effectiveness Of Teaching Practicum Activites And The Impact Of These Actıvities On Students’ Attitudes Toward Teaching Profession

    Directory of Open Access Journals (Sweden)

    Mehmet Nuri GÖMLEKSİZ

    2012-12-01

    Full Text Available Teaching profession has an important place in the society becauseteachers train individuals and prepare them for the future. Thedevelopment of a nation is mostly based on training well-qualifiedpersons. Teachers, as the trainers of future generations, perform thattask. In this sense, training well-qualified teachers of future gainsimportance. Anatolian Teacher Training High Schools are thought asthe source of teacher training faculties. Teaching Practicum ActivitiesCourse is among the courses conducted to prepare students for theteaching profession in Anatolian Teacher Training High Schools. Thebetter these courses are organized and conducted, the better studentswill be prepared for the future. The aim of this quantitative andqualitative study is to explore Anatolian Teacher Training High Schoolstudents’ opinions toward Teaching Practicum Activities Course. It wasalso aimed to see if students’ attitudes toward teaching professionchanged after Teaching Practicum Activities Course. In qualitative partof the study, it was aimed to determine Anatolian Teacher Training HighSchool students’ views on the effectiveness of Teaching PracticumActivities Course. Study group included 11th grade students enrolled atErgani Anatolian Teacher Training High School in 2009-2010 academicyear. All 11th graders were chosen as the sample of the study. There aretotally 63 male, 17 female students. Quantitative data were collected byusing Attitude Scale for Teaching Profession developed by Semerci(2009. Cronbach Alpha reliability coefficient of the scale was calculatedto be 0.68, KMO value was measured to be 0,88, Bartlett’s test wascalculated to be 8980,25. Paired groups t test was used to analyze thequantitative data. In qualitative part of the study, an interview formincluding six semi-structured questions was used. Eighty students wereinterviewed and content analysis method was used to analyze thequalitative data. Results of the study proved that students had someproblems during Teaching Practicum Activities Course such as crowdedclassrooms, insufficiency of the physical equipment of the schools. Butit was also determined that these activities contributed them havingmore information about teaching profession in practice. They alsoemphasized that they enjoyed teaching profession. No statisticallysignificant difference was found among students’ attitudes towardteaching profession before and after Teaching Practicum Activities Course. Based on the results of the study, it is suggested that students should be informed about the activities, practice schools should be selected carefully and there should be effective communication between Anatolian Teacher Training High Schools and practice schools. Öğretmenlik mesleği toplumda önemli bir yere sahiptir, çünkü öğretmenler bireyleri gelecek için yetiştirip onları geleceğe hazırlamaktadırlar. Bir ülkenin gelişmesi büyük oranda iyi yetişmiş bireylere bağlıdır. Geleceğin kuşaklarını yetiştiren kişiler olarak öğretmenler bu görevi yerin getirmektedirler. Bu anlamda nitelikli öğretmenlerin yetiştirilmesi önem kazanmaktadır. Anadolu Öğretmen Liseleri öğretmen yetiştiren fakültelerin kaynağını oluşturmaktadır. Uygulamaları İzleme Etkinlikleri Anadolu Öğretmen Lisesi öğrencilerini öğretmenlik mesleğine hazırlamak için yürütülen derslerden biridir. Bu ders ne kadar iyi düzenlenir ve yürütülürse, öğrenciler mesleğe o kadar iyi hazırlanacaktır. Nitel ve nicel desenlerin kullanıldığı bu araştırmanın amacı Anadolu Öğretmen Lisesi öğrencilerinin Uygulamaları İzleme Etkinliklerine ilişkin görüşlerini belirlemektir. Bunun yanı sıra, Uygulamaları İzleme Etkinliklerinden sonra öğrencilerin öğretmenlik mesleğine yönelik tutumlarının değişip değişmediği de araştırma ile ortaya konmaya çalışılmıştır. Araştırmanın nitel boyutunda Anadolu Öğretmen Lisesi öğrencilerinin Uygulamaları İzleme Etkinliklerinin etkililiğine ilişkin görüşleri belirlenmeye çalışılmıştır. Çalışma grubunu 2009–2010 eğitim-öğretim yılında Ergani Anadolu Öğretmen Lisesinde öğrenim gören 11. Sınıf öğrencileri oluşturmaktadır. Tüm 11. Sınıf öğrencileri araştırmaya dâhil edilmiştir. Çalışma grubunda toplam 63 erkek, 17 kız öğrenci bulunmaktadır. Araştırmanın nicel verileri Semerci (1999 tarafından geliştirilen Öğretmenlik Mesleği Tutum Ölçeği ile toplanmıştır. Ölçeğin Cronbach Alpha güvenirlik katsayısı 0,68, KMO değeri 0,88, Bartlett’s testi ise 8980,25 olarak hesaplanmıştır Nicel verilerin analizinde eşli gruplar t testi kullanılmıştır. Nitel bölümde altı yarı yapılandırılmış sorudan oluşan bir görüşme formu kullanılmıştır. Seksen öğrenci ile görüşülmüş ve verilerin analizinde içerik analizi yöntemi kullanılmıştır. Araştırma sonuçları, öğrencilerin Uygulamaları İzleme Etkinlikleri Dersinde kalabalık sınıflar ve fiziki donanım eksikliği gibi sorunlarla karşı karşıya bulunduğunu ortaya koymuştur. Ancak, öğrenciler bu etkinliklerle öğretmenlik mesleği hakkında daha fazla bilgi sahibi olduklarını ve bu etkinliklerin öğretmenlik mesleğini sevmelerini sağladığını da ifade etmişlerdir. Uygulamaları İzleme Etkinliklerinden önce ve sonra öğrencilerin öğretmenlik mesleğine ilişkin tutumları arasında istatistiksel olarak anlamlı bir farklılık bulunmamıştır.Araştırma sonuçlarına dayalı olarak öğrencilerin etkinlikler hakkındabilgilendirilmeleri, uygulama okullarının seçimine dikkat edilmesi veAnadolu Öğretmen Lisesi ile uygulama okulu arasında etkili biriletişimin kurulması gibi önerilerde bulunulmaktadır.

  8. Variability in north tropical atlantic over the last 20 000 years and holocene gulf stream activity; Variabilite au cours des derniers 20 000 ans de l'hydrologie de l'atlantique tropical nord et de l'activite du gulf stream a partir de la composition isotopique de l'oxygene et de la composition en elements trace des foraminferes planctoniques profonds

    Energy Technology Data Exchange (ETDEWEB)

    Cleroux, C

    2007-10-15

    Modern oceanographical studies shown that most of the ocean heat content in the North Atlantic Western Boundary Current region is stored in the upper 400 meters. To study past heat content and Gulf Stream activity, we performed coupled analyses of oxygen isotopic and trace elemental composition on several foraminifera species to reconstruct upper water column temperature and salinity. Calcification depths of Globorotalia inflata, Globorotalia truncatulinoides and Pulleniatina obliquiloculata have been constrain by correlating modern hydrographic data to oxygen isotopic measurement of North Atlantic core-top samples. We found that the three deep-dwelling foraminifera species have a preferred habitat at the base of the seasonal thermocline (Cleroux et al, 2007). The same set of North Atlantic core-tops has been used to define relationships between trace elemental compositions and temperature. We established calibrations between Mg/Ca ratio or Sr/Ca ratio and temperature for the three deep-dwelling foraminifera (Cleroux et al, submitted). We apply this strategy on the core MD99-2203 located off Cape Hatteras where the Gulf Stream separate from the United States coast. High-resolution surface reconstructions over the Holocene show low amplitude periodic temperature and salinity changes that could be related to NAO type mechanisms. Large hydrological changes in sub-surface reflect variations of Labrador current and Mode Water influences. Using recent studies on Mode Water formation and Gulf Stream heat advection, we interpret our results in term of ocean heat content and Gulf Stream activity. (author)

  9. Temporal relationships between the variations of diffuse gaseous emanations and the explosive activity of some active volcanoes of Costa-Rica, examples at the Arenal, Irazu and at the Rincon de la Vieja; Relations temporelles entre les variations des emanations gazeuses diffuses et l`activite explosive de quelques volcans actifs du Costa-Rica, exemples a l`Arenal, l`Irazu et au Rincon de la Vieja

    Energy Technology Data Exchange (ETDEWEB)

    Baubron, J.C. [BRGM, 45 - Orleans (France); Allard, P. [CEA Centre d`Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France). Direction des Sciences de la Matiere; Fernandez, E. [Obviscori, Heridia (Costa Rica); Hammouya, G. [Observatoire de la Soufriere, IPG-P, le Houelmont, 97 - Gourgeyre (France); Soto, G.J. [ICE, San Jose (Costa Rica)

    1996-12-31

    The surveillance of the temporal evolution of radon and helium concentrations in the carbon dioxide of crater fumaroles and gaseous emanations is performed since 1992 on the Irazu, Arenal, Poas and Rincon de la Vieja volcanoes in Costa-Rica. The {sup 3}He/{sup 4}He ratio is used as an indicator of the deep origin of the volcanic gas while radon is an indicator of the CO{sub 2} flux. Radon measurements performed on the Irazu show a continuous decay of radon concentration in the intra-crater fumaroles with an important increase of the gaseous flux since 1992. On the contrary, the external fumaroles on the NW flank were characterized by an important increase in radon concentration in 1994 with a stable flux. The radon surveillance performed in soils around the volcano has shown an intense increase of the diffuse gaseous flows probably linked to the micro-seismic activity of the volcano. Similar observations are reported for the Rincon de la Vieja volcano and correlated with its eruptive history and its phreatic and phreato-magmatic activity. Short paper. (J.S.).

  10. 5. Les métiers artistiques du spectacle vivant et leurs catégorisations

    OpenAIRE

    Rannou, Janine

    2016-01-01

    « L’art, écrit Freidson, n’est ni un métier ni une activité de loisir. C’est un hybride anormal des deux » (Freidson 1994). Toute la rhétorique professionnelle sur la « vocation », le nécessaire « engagement de soi » (Menger 1997) – commitment (Freidson 1986) –, le « talent » qui « ne s’apprend pas », confirme le rapport particulier au travail qui caractérise les activités artistiques. L’identité de l’ « artiste » y dépasse largement la sphère de l’activité professionnelle. Quant à la réussit...

  11. Enjeux sanitaires, socio-économiques et environnementaux liés à la réutilisation des eaux usées dans le maraîchage urbain : cas du bassin versant de l’Abiergué (Yaoundé-Cameroun)

    OpenAIRE

    Kenmogne, Guy Romain Kouam; Rosillon, Francis; Mpakam, Hernanie Grelle; Nono, Alexandre

    2010-01-01

    Le bassin versant de l’Abiergué, localisé dans le périmètre urbain de Yaoundé entre 11°05’ et 11°25’ de longitude Est et entre 3°51’ et 3°54’ de latitude Nord connaît une importante activité maraîchère dans les bas fonds de Nkolbikok à Nkolbisson. Une étude démarrée en 2005 dans cette zone, a pour objectif principal de contribuer à la valorisation de cette activité tout en œuvrant à la réduction des risques induits (sanitaires et environnementaux). De nombreuses activités ont été développées ...

  12. Enjeux sanitaires, socio-économiques et environnementaux liés à la réutilisation des eaux usées dans le maraîchage urbain à Yaoundé au Cameroun : cas du bassin versant de l’Abiergué

    OpenAIRE

    Kouam Kenmogne, Guy Romain; Rosillon, Françis; Mpakam, Hernanie Grelle; Nono, Alexandre

    2010-01-01

    Le bassin versant de l’Abiergué, localisé dans le périmètre urbain de Yaoundé entre 11°05’ et 11°25’ de longitude Est et entre 3°51’ et 3°54’ de latitude Nord connaît une importante activité maraîchère dans les bas fonds de Nkolbikok à Nkolbisson. Une étude démarrée en 2005 dans cette zone, a pour objectif principal de contribuer à la valorisation de cette activité tout en œuvrant à la réduction des risques induits (sanitaires et environnementaux). De nombreuses activités ont été développées ...

  13. Evaluation du Plan Marshall 2.Vert. Evaluation thématique n°5 : Terrains mis à disposition du développement économique

    OpenAIRE

    Reginster, Isabelle; Juprelle, Julien; Lefèvre, Martine; Paque, Régine; vanderkelen, Françoise

    2013-01-01

    Le présent rapport d’évaluation du Plan Marshall concerne les terrains mis à disposition du développement économique. Plus précisément, il porte sur l’évaluation de quatre mesures du Plan Marshall 1.0 : assainir les sites d’activités économiques désaffectés (SAED) (1) pollués ou (2) non pollués et équiper les zones d’accueil des activités économiques (3) en zones d’activités économiques (ZAE) et (4) en zones portuaires. L’objectif commun à ces mesures est de mobiliser l’espace disponible e...

  14. Memoria implicita e alfabetizzazione visiva nel contesto museale / Implicit memory and visual literacy in museums

    Directory of Open Access Journals (Sweden)

    Annalisa Banzi

    2014-06-01

    Full Text Available Storici dell’arte ed esperti del settore museale lamentano la difficoltà del pubblico a “leggere” le opere esposte in un museo di arti visive. Guardare e cogliere gli aspetti relativi alla grammatica visiva di un oggetto sono abilità che si apprendono, in generale non sono innate o spontanee. I fruitori potrebbero beneficiare di un metodo che sviluppa e potenzia le loro capacità visive. Lo scopo di questo articolo è presentare e valutare se un modello basato sul priming percettivo, una forma di memoria implicita, possa migliorare la metodologia per leggere gli aspetti visivi del patrimonio artistico. A complemento del lavoro proposto, vengono qui introdotti anche alcuni risultati preliminari di un nuovo promettente approccio sperimentato, che consiste nella analisi dei segnali elettroencefalografici dei soggetti coinvolti, raccolti attraverso un dispositivo per EEG durante la fase di verifica dell’esperimento sul priming percettivo. Art historians and museum practitioners complained about the lack of “reading skills” in observing artworks by museum visitors. Reading and analysing visual grammar aspects of an artistic object are skills that require learning: not innate or spontaneous. Museum goers could benefit from method developing and enhancing their visualization skills. The purpose of this article is to present and assess whether a model based on “visual-perceptual priming”, a form of implicit memory, could improve the methodology of reading visual aspects of artworks. We also introduce some preliminary results obtained from a promising new approach consisting the analysis of electroencephalographic signals from individuals, collected through an EEG device during the experiment on the visual-perceptual priming

  15. TIC et créativité en didactique des langues

    OpenAIRE

    Rémon, Joséphine

    2009-01-01

    International audience; Nous nous proposons d'analyser dans quelle mesure un enseignement de TIC en langue cible peut être le lieu d'activités potentiellement créatives en abordant des questions telles que les suivantes : " Comment se décline la notion de créativité dans le cadre de la didactique des langues ? ", " Comment déterminer si une activité est ou non potentiellement créative ? " ou " Quels indices révèlent que la créativité des apprenants est à l'oeuvre ? ". Nous explorons l'apparei...

  16. Seasonal development of bacterial communities in a coastal marine sediment as related to the input of organic material.

    OpenAIRE

    Meyerreil, L; Graf, G.

    1984-01-01

    Le développement saisonnier des communautés benthiques a été suivi dans les sédiments marins côtiers de la baie de Kiel (Mer Baltique,RFA). La biomasse totale benthique (ATP) la biomasse bactérienne, l'activité benthique globale (production de chaleur), et taux de décomposition enzymatique des carbohydrates (activité de l'amylase) suivent un cycle saisonnier fortement lié à certains événements dans le sédiment. Parmi ceux-ci, l'apport des blooms phytoplanctoniques en automne et au printemp...

  17. Audit de l’organisation des destinations touristiques à fin d’optimisation

    OpenAIRE

    Tavel, Christophe; Perruchoud-Massy, Marie-Françoise

    2011-01-01

    Que ce soit pour son cadre idyllique, son calme, ses parcours pédestres, ses activités de loisirs, son histoire, sa gastronomie ou ses vins merveilleux, notre canton est une destination privilégiée pour les touristes de tous bords. C’est donc principalement avec ses paysages majestueux et son climat généreux que le Valais d’antan a su profiter du secteur touristique. A l’heure actuelle, les activités du tourisme, qu’elles soient hivernales ou estivales, occupent toujours une place prépondéran...

  18. L´Importance économique e sociales du tourisme mondial et déveolppment durable

    OpenAIRE

    Touhami, Larbi

    2014-01-01

    Le tourisme mondial est une activité contributrice au développement économique et social. Son poids économi-que, selon les rapports de l’Organisation Mondiale du Tourisme (OMT), donne à ce secteur une importance capitale, en comparaison aux autres secteurs d’activités économiques: l’industrie du tourisme représente 9% du PIB mondial et 8% de l’emploi mondial. Il est devenu, pour un nombre très grand des pays, la source principale de devises. Confronté aux défis de la durabilité, le tourisme e...

  19. Human Views: Extensions to the Department of Defense Architecture Framework

    Science.gov (United States)

    2008-09-01

    décision lié à la PFC au niveau des programmes et des capacités. 2. Une relation directe avec une activité liée aux Ressources Humaines (RH) (Projet...capacités. 2. Une relation directe avec une activité liée aux ressources humaines (RH) (Projet d’analyse, de restructuration et d’adaptation de la...ingénierie et gestion collaborative de capacités » (DIGCap) a examiné le concept d’ingénierie des capacités (IC), qui apporte rigueur analytique et

  20. La surveillance de l'environnement à la F.U.L.

    OpenAIRE

    Nicolas, Jacques

    1996-01-01

    L'article décrit les activités de recherche et d'enseignement en surveillance de l'environnement à la Fondation Universitaire Luxembourgeoise à Arlon. Il présente le contexte historique qui a initié ces activités, intégrant plusieurs chercheurs de disciplines diverses. Travailler sur le milieu naturel impose des contraintes, mais celles-ci sont compensées par une exigence modérée en ce qui concerne la précision de certains résultats. L'approche de l'unité de recherche utilise le milieu comme ...

  1. Entre projet associatif et entrepreneuriat social : rupture ou continuum ?

    OpenAIRE

    Crocco, Maria-Grazia

    2013-01-01

    International audience; Aujourd’hui, le secteur de l‘insertion par l'activité économique (IAE) est confronté à des transformations qui concernent, tout à la fois, son modèle économique et politique ainsi que la manière d’organiser sa gouvernance et les relations avec les collectivités publiques et les entreprises « classiques ». Les structures d'insertion par l'activité économique (SIAE) se mesurent à des notions comme « entreprise sociale », « entrepreneur social » et « entrepreneuriat socia...

  2. etude de l'ifficacité des huilles essentielles de curcuma longa comme un biopesticides cas antifongique

    OpenAIRE

    larabi, souhila; rabah, souhila

    2014-01-01

    Résumé Les plantes médicinales constituent une source immense de métabolites secondaires, dont les huiles essentielles, dotées de nombreuses activités biologiques ; Cette étude a pour objectif l'évaluation de l'effet des huiles essentielles de Curcuma longa Linn comme un biopesticide Cas antifongique. L'extraction des huiles essentielles de Curcuma Ionga Linn a été réalisée par hydrodistillation. Le rendement en HE est de 0,96%. L'activité antifongique est mise en évidence p...

  3. Watertightness work on the C and D embankment of the Petit-Saut hydraulic facility; first part: establishment of a tightness fault. Dams life. Vouglans dam: life of a thirty years dam; second part: complementary studies and works performed. Activities of the control services; Travaux d'etanchement des digues C et D de l'amenagement hydraulique de Petit-Saut; premiere partie: constatation d'un defaut d'etancheite. La vie des barrages. Barrage de Vouglans: vie d'un trentenaire; deuxieme partie: etudes complementaires et travaux realises. Activite des services du controle

    Energy Technology Data Exchange (ETDEWEB)

    Clere, H. [DRIRE Franche-Comte, 25 - Besancon (France); Cotin, L.

    2001-07-01

    This issue of Barrages newsletter comprises 4 articles. The first article deals with the discovery of a tightness deficiency in the embankments of the Petit-Saut dam in French Guiana (description, monitoring after flooding, leaks and pressure measurements, geophysical surveys, solutions). The second article reports on the results of decennial and annual inspections of French dams for the first quarter of 2001: fissures propagation, water oozing, leaks, concrete swelling etc.. Only the observations requiring a special follow-up are reported. The third article is devoted to the complementary study and works carried out at the Vouglans dam (Franche-Comte, France) for the anchoring of the spillway breaking reservoir. The last article reports on some important facts (accidents, reservoirs emptying, administrative instructions, technical meetings, planning of inspections etc..). (J.S.)

  4. Information on Dams: recalibration of the spillway of the Crescent dam. Dams life. Security and exploitation of dams: the Montezic facility, management of an incident on the pond embankment (part. 2). Activities of the control services; Information sur les barrages: recalibrage de l'evacuateur de crues du barrage de Crescent. La vie des barrages. Securite et exploitation des barrages: amenagement de Montezic, gestion d'un incident sur la digue de l'Etang (2. partie). Activites des services du controle

    Energy Technology Data Exchange (ETDEWEB)

    Charpentier, B. [Direction regionale de l' industrie, de la recherche et de l' environnement, (DRIRE), 21 - Dijon (France); Oberle, J.M. [Electricite de France (EDF - CIH), 68 - Mulhouse (France); Hoonakker, M. [Bureau d' Etude Technique et de Controle des Grands Barrages, BETCGB (France)

    2002-07-01

    This issue of Barrages newsletter comprises four articles. The first article describes the recalibration works of the spillway of the Crescent dam (Morvan, France) in order to adapt its capacity to the results of the recent hydrological studies. The second article summarizes the conclusions of the decennial, annual and other periodicity inspections of French dams. Only the observations requiring a special follow up are reported. The third article is the second part of a study about the management of an incident discovered on the embankment of the reservoir of the Montezic dam (Aveyron, France). This part describes the causes of the crack, the evolution of the leaks and the remedial actions carried out. The last article summarizes the activities of the control services (important facts, administrative instructions, studies, projects, works, meetings, workshops etc.). (J.S.)

  5. Advice of the French nuclear safety authority concerning the researches relative to the management of high activity and long lived radioactive wastes as carried out in the framework of the December 30, 1991 law, and links with the national plan of management of radioactive wastes and valorizable materials (PNGDR-MV); Avis de l'Autorite de Surete Nucleaire sur les recherches relatives a la gestion des dechets a haute activite et a vie longue (HAVL) menees dans le cadre de la loi du 30 decembre 1991, et liens avec le PNGDR-MV

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-02-15

    This document reports on the main conclusions of the French nuclear safety authority (ASN) after 15 years of researches on radioactive wastes management carried out in the framework of the law 91-1381 from December 30, 1991. The advice of the ASN is not limited to the high level and long lived radioactive wastes. It presents first the dispositions of the December 30, 1991 law which fixes the main trends of the researches on radioactive waste management. Then it recalls the role of the ASN and of its technical means in the three axes of research (separation-transmutation, conditioning and long-duration storage, disposal in deep geologic formation): safety at all waste management steps, management consistency for all waste-types, development of suitable processes for each category of waste. The position of the ASN with respect to each axis of research is detailed and some recommendations and additional information needs are expressed. A schedule is proposed for the implementation of a storage facility in the argilite formation near the Bure site. Then it refers to the implementation of a national plan of management of radioactive wastes and valorizable materials, in particular concerning the low level and long lived wastes, the used sealed sources, the tritiated wastes and the naturally radioactive wastes (uranium mine tailings). (J.S.)

  6. NF M60-804-2. April 2004. Nuclear energy - measurement of the transuranium activity (Pu, Am, Cm) by alpha spectrometry in water - part 2: radionuclides separation by utilization of anionic and cationic resins and by extraction chromatography; NF M60-804-2. Avril 2004. Energie nucleaire - mesurage de l'activite des transuraniens (Pu, Am, Cm) par spectrometrie alpha dans l'eau - Partie 2: separation des radionucleides a mesurer par l'utilisation de resines anioniques, cationiques et par chromatographie d'extraction

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    This document describes a type of preparation and the measurement of water samples by alpha spectrometry: chemical separation and purifications by ionic chromatography, alpha spectrometry measurement by a grid chamber or a semi-conductor. The measure domain is bound to the lower level by the detection threshold and to the upper level by the radioactivity level for which the laboratory is authorized. (A.L.B.)

  7. NF M60-804-3. April 2004. Nuclear energy - transuranium activity measurement (Pu, Am, Cm, Np) by alpha spectrometry in water - Part 3: radionuclides separation by utilization of resins by extraction chromatography (little volumes); NF M60-804-3. Avril 2004. Energie nucleaire - mesurage de l'activite des transuraniens (Pu, Am, Cm, Np) par spectrometrie alpha dans l'eau - Partie 3: separation des radionucleides a mesurer par l'utilisation de resines par chromatographie d'extraction (petits volumes)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2004-07-01

    This document describes two types of preparation and the measurement of water samples by alpha spectrometry: chemical separation and purifications by ionic or extraction chromatography, alpha spectrometry measurement by a grid chamber or a semi-conductor. The measure domain is bound to the lower level by the detection threshold and to the upper level by the radioactivity level for which the laboratory is authorized. (A.L.B.)

  8. Administrative instruction D.G.S./S.D. 7 D./D.H.O.S./E. 4 n. 2001-323 of the 9 july 2001 relative to the management of effluents and wastes from treatment activity and contaminated by radioisotopes; Circulaire D.G.S./S.D. 7 D./D.H.O.S./E. 4 n. 2001-323 du 9 juillet 2001 relative a la gestion des effluents et des dechets d'activites de soins contamines par des radionucleides

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    The three parts for this administrative instruction are general principles of management of effluents and waste at radioactive character, management individualized plan for effluents and wastes, articulation with regulation relative to classified installations for the environmental protection. (N.C.)

  9. Molecular cloning and characterization of multidomain xylanase from manure library

    Science.gov (United States)

    The gene (manf-x10) encoding xylanase from an environmental genomic DNA library was cloned and expressed in Escherichia coli. The encoded enzyme was predicted to be 467 amino acids with a molecular mass of 50.3 kD. The recombinant ManF-X10 was purified by HisTrap affinity column and showed activit...

  10. The Research of Private Consumption Behavior of China%我国居民消费行为研究

    Institute of Scientific and Technical Information of China (English)

    国家统计局综合司课题组

    2003-01-01

    Form the viewpoint of the conjunction of theory and experimental research, the paper analyses the preference of consumers of different income level, together with the consuming activites of constraint hypothesis, and thereby establishes the consumption model suitable for the private consumption situation of China. The paper further provides the relevant suggestions on stimulating consumption growth.

  11. Noise and health of children

    NARCIS (Netherlands)

    Passchier, W.

    2000-01-01

    The world of the child is becoming noisier and noisier. Compared to the mid-fifties environ-mental noise levels (sources such as road traffic, aircraft) increased substantially, causing higher noise levels during day- and night-time at home, at school and during out- and indoors leisure time activit

  12. Prenatal Testing - Multiple Languages: MedlinePlus

    Science.gov (United States)

    ... Pregnancy Examen de réactivité foetale lors de la grossesse - français (French) Bilingual PDF Health Information Translations Ultrasound in Pregnancy Échographie pendant la grossesse - français (French) Bilingual PDF Health Information Translations Hindi ( ...

  13. GenBank blastn search result: AK103976 [KOME

    Lifescience Database Archive (English)

    Full Text Available AK103976 001-016-F10 E31863.1 Rice chitinase-complementary DNA having lytic activit...y on molds and bacteria and vector and transformant containing the complementary DNA.|PAT PAT 0.0 Plus Plus ...

  14. GenBank blastn search result: AK062603 [KOME

    Lifescience Database Archive (English)

    Full Text Available AK062603 001-103-G12 E31863.1 Rice chitinase-complementary DNA having lytic activit...y on molds and bacteria and vector and transformant containing the complementary DNA.|PAT PAT 5e-27 Plus Plus ...

  15. GenBank blastn search result: AK058878 [KOME

    Lifescience Database Archive (English)

    Full Text Available AK058878 001-007-A04 E31863.1 Rice chitinase-complementary DNA having lytic activit...y on molds and bacteria and vector and transformant containing the complementary DNA.|PAT PAT 0.0 Plus Plus ...

  16. Serotonin release in the caudal nidopallium of adult laying hens genetically selected for high and low feather pecking behavior: An in vivo microdialysis study

    NARCIS (Netherlands)

    Kops, M.S.; Kjaer, J.B.; Güntürkün, O.; Westphal, K.C.G.; Korte-Bouws, G.A.H.; Olivier, B.; Bolhuis, J.E.; Korte, S.M.

    2014-01-01

    Severe feather pecking (FP) is a detrimental behavior causing welfare problems in laying hens. Divergent genetic selection for FP in White Leghorns resulted in strong differences in FP incidences between lines. More recently, it was shown that the high FP (HFP) birds have increased locomotor activit

  17. Visit CD

    CERN Multimedia

    Schopper,H

    1987-01-01

    Le DG H.Schopper souhaite la bienvenue aux ambassadeurs des pays membres et aux représentants des pays avec lesquels le Cern entretient des relations proches et fait un exposé sur les activités au Cern

  18. The assessment of disability with the Groningen Activity Restriction Scale. Conceptual framework and psychometric properties

    NARCIS (Netherlands)

    Kempen, G.I J M; Miedema, I; Ormel, J.; Molenaar, W.

    1996-01-01

    The conceptual framework, psychometric properties, descriptive statistics, and the rules for administration and scoring of the Groningen Activity Restriction Scale (CARS) for assessing disability in the area of ADL (Activities of Daily Living including mobility) as well as IADL (Instrumental Activit

  19. 29 CFR 783.19 - Commerce activities of enterprises in which employee is employed.

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 3 2010-07-01 2010-07-01 false Commerce activities of enterprises in which employee is...'s Provisions § 783.19 Commerce activities of enterprises in which employee is employed. Under... their personal engagement in interstate commerce activites, as explained in § 783.18, are...

  20. Time use of Hellene 3rd and 4th graders during a school day

    NARCIS (Netherlands)

    Vleioras, Georgios

    2010-01-01

    Using data from the time diaries of 164 Hellene 3rd and 4th graders interviewed in their homes in March 2007, individual differences in time-use patterns were investigated. The participants rested for 9 hours 10 minutes, and spent 57.0%, 21.7%, and 5.0% of their waking time on school-related activit