448 results on '"Le Dû, P"'
Search Results
2. Author Correction: A planetary collision afterglow and transit of the resultant debris cloud
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Kenworthy, Matthew, Lock, Simon, Kennedy, Grant, van Capelleveen, Richelle, Mamajek, Eric, Carone, Ludmila, Hambsch, Franz-Josef, Masiero, Joseph, Mainzer, Amy, Kirkpatrick, J. Davy, Gomez, Edward, Leinhardt, Zoë, Dou, Jingyao, Tanna, Pavan, Sainio, Arttu, Barker, Hamish, Charbonnel, Stéphane, Garde, Olivier, Le Dû, Pascal, Mulato, Lionel, Petit, Thomas, and Rizzo Smith, Michael
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- 2024
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3. Physical Activity Program for the Survival of Elderly Patients With Lymphoma: Study Protocol for Randomized Phase 3 Trial
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Jonas Dubu, Sébastien Boyas, Virginie Roland, Sébastien Landry, Anne-Lise Septans, Magali Balavoine, Hugues Bourgeois, Yoann Pointreau, Fabrice Denis, Christophe Letellier, and Katell Le Dû
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Medicine ,Computer applications to medicine. Medical informatics ,R858-859.7 - Abstract
BackgroundThe practice of regular physical activity can reduce the incidence of certain cancers (colon, breast, and prostate) and improve overall survival after treatment by reducing fatigue and the risk of relapse. This impact on survival has only been demonstrated in active patients with lymphoma before and after treatment. As poor general health status reduces the chances of survival and these patients are most likely to also have sarcopenia, it is important to be able to improve their physical function through adapted physical activity (APA) as part of supportive care management. Unfortunately, APA is often saved for patients with advanced blood cancer. As a result, there is a lack of data regarding the impact of standardized regular practice of APA and concomitant chemotherapy as first-line treatment on lymphoma survival. ObjectiveThis study aimed to assess the impact of a new and open rehabilitation program suitable for a frail population of patients treated for diffuse large B-cell lymphoma (DLBCL). MethodsPHARAOM (Physical Activity Program for the Survival of Elderly Patients with Lymphoma) is a phase 3 randomized (1:1) study focusing on a frail population of patients treated for DLBCL. The study will include 186 older adult patients with DLBCL (aged >65 years) receiving rituximab and chemotherapy. Overall, 50% (93/186) of patients (investigational group) will receive APA along with chemotherapy, and they will be supervised by a dedicated qualified kinesiologist. The APA program will include endurance and resistance training at moderate intensity 3 times a week during the 6 months of chemotherapy. The primary end point of this study will be event-free survival of the patients. The secondary end points will include the overall survival, progression-free survival, prevalence of sarcopenia and undernutrition, and patients’ quality of life. This study will be conducted in accordance with the principles of the Declaration of Helsinki. ResultsRecruitment, enrollment, and data collection began in February 2021, and 4 participants have been enrolled in the study as of July 2022. Data analysis will begin after the completion of data collection. Future outcomes will be published in peer-reviewed health-related research journals and presented at national congress, and state professional meetings. This publication is based on protocol version 1.1, August 3, 2020. ConclusionsThe PHARAOM study focuses on highlighting the benefits of APA intervention on survival during the period of first-line treatment of patients with DLBCL. This study could also contribute to our understanding of how an APA program can reduce complications such as sarcopenia in patients with lymphoma and improve their quality of life. By documenting the prevalence and relationship between sarcopenia and exercise load, we might be able to help physicians plan better interventions in the care of patients with DLBCL. Trial RegistrationClinicalTrials.gov NCT04670029; https://clinicaltrials.gov/ct2/show/NCT04670029 International Registered Report Identifier (IRRID)DERR1-10.2196/40969
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- 2022
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4. Construire la mémoire du processus d’élaboration des plans locaux d’urbanisme à travers des storymaps, un levier pour la prise en compte du paysage dans l’aménagement des territoires
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Charlotte Porcq and Laurence Le Dû-Blayo
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storymap ,urban development plan ,memory ,decision-making tool ,landscape ,Social Sciences - Abstract
This article describes an attempt to memorise the arbitration processes conducted during the elaboration of an urban development plan for the city of Vitré via storymaps or narrative maps used to address landscape planning issues within the framework of urban planning regulations. The project develops a method for constructing these narratives ex-post, by using records of the speeches of actors in situ, making it possible to complete the storymaps with events during or prior to the planning process. The storymaps make it possible to place the urban development plan within a more long-term geo-historical perspective of landscape planning. They suggest that the urban development plans could play a role in the memorising of perceptions of space which influence public action in a given period.
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- 2022
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5. Extranodal classical Hodgkin lymphoma involving the spinal cord: case report and review of the literature
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Katell Le Dû, Nicolas Alarion, Hassan Rabi, Olivier Casasnovas, Philippine Robert, Amandine Durand, Bénédicte Burlet, Claire Tabouret-Viaud, Selim Ramla, Laurent Martin, and Cédric Rossi
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18F-FDG PET ,case report ,classical Hodgkin lymphoma ,radiotherapy ,spinal cord infiltration ,surgery ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Primary CNS involvement is very rare in Hodgkin lymphoma. Here we present two cases of spinal cord dissemination. Two women of 40 and 65 years of age presented symptoms of spinal cord injury; imaging showed an intramedullary mass in T10 and T2, respectively, without vertebral involvement and upper diaphragmatic lymph nodes. Lymph-node biopsy confirmed the diagnosis of classical Hodgkin lymphoma in both patients. The first patient received four cycles of chemotherapy (escalated BEACOPP and ABVD) with intrathecal therapy, and the second four cycles of doxorubicin, vinblastine, dacarbazine (AVD) and local irradiation after surgery decompression. Complete metabolic response was obtained at the end of treatment. After 5 and 7 years of follow-up respectively, neurological deficits persisted in both.
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- 2022
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6. A New Study on a Type Iax Stellar Remnant and its Probable Association with SN 1181
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Foteini Lykou, Quentin A. Parker, Andreas Ritter, Albert A. Zijlstra, D. John Hillier, Martín A. Guerrero, and Pascal Le Dû
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Supernova remnants ,Type Ia supernovae ,White dwarf stars ,Stellar mergers ,Astrophysics ,QB460-466 - Abstract
We report observations and modeling of the stellar remnant and presumed double-degenerate merger of Type Iax supernova Pa 30, which is the probable remnant of SN 1181 AD. It is the only known bound stellar SN remnant and the only star with Wolf–Rayet features that is neither a planetary nebula central star nor a massive Population I progenitor. We model the unique emission-line spectrum with broad, strong O vi and O viii lines as a fast stellar wind and shocked, hot gas. Non-LTE wind modeling indicates a mass-loss rate of ∼10 ^−6 M _⊙ yr ^−1 and a terminal velocity of ∼15,000 km s ^−1 , consistent with earlier results. O viii lines indicate shocked gas temperatures of T ≃ 4 MK. We derive a magnetic field upper limit of B < 2.5 MG, below earlier suggestions. The luminosity indicates a remnant mass of 1.0–1.65 M _⊙ with ejecta mass 0.15 ± 0.05 M _⊙ . Archival photometry suggests the stellar remnant has dimmed by ∼0.5 mag over 100 yr. A low Ne/O < 0.15 argues against an O-Ne white dwarf in the merger. A cold dust shell is only the second detection of dust in an SN Iax and the first of cold dust. Our ejecta mass and kinetic energy estimates of the remnant are consistent with Type Iax extragalactic sources.
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- 2023
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7. Flamand, hollandais, néerlandais... Badumes, standards et norme(s) dans les Bas-Pays
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Jean Le Dû
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Dutch (language) ,Flemish (language) ,Breton (language) ,sociolinguistics ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
Presentation of the Dutch language past and present and historical comparison of the situations for Dutch and Breton.
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- 2020
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8. V618 Sgr: Galactic eclipsing symbiotic nova detected in repeated outbursts
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Merc, J, primary, Gális, R, additional, Velez, P, additional, Charbonnel, S, additional, Garde, O, additional, Le Dû, P, additional, Mulato, L, additional, Petit, T, additional, Bohlsen, T, additional, Curry, S, additional, Love, T, additional, and Barker, H, additional
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- 2023
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9. The 'Double Lasso-Loop' Technique Used for Arthroscopic Proximal Biceps Tenodesis
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Aaron J. Bois, M.D., M.Sc., F.R.C.S.C., Steven Roulet, M.D., Christophe Le Dû, M.D., Lionel Neyton, M.D., and Arnaud Godenèche, M.D.
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Orthopedic surgery ,RD701-811 - Abstract
Disorders of the long head biceps tendon are among the most challenging of shoulder problems to diagnose and manage. In this Technical Note, we introduce an arthroscopic technique for proximal biceps tenodesis high in the groove at the articular margin of the humeral head using a single anchor and 2 self-cinching loops followed by 5 alternating half-hitches to secure the construct. This method is simple and enables stable fixation of the biceps tendon.
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- 2019
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10. Devoir et nécessité : à quoi sert le breton à ceux qui le parlent ?
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Yves Le Berre and Jean Le Dû
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Breton (language) ,sociolinguistics ,social psychology ,history ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
Although Breton is today only known, actively or passively, by a diminishing group of older adults living in rural areas, it is being taught in both the private and public sectors to French-speaking children by Neo-Breton-speaking teachers under the ‘right to be different’. Breton has moved from the pragmatic sphere into the symbolic. Far removed from the vernaculars, it is descended from a language that was purified by interwar activists to respond to two objectives, namely to ‘reconquer’ a virtual linguistic terrain, including extending it to areas in which Breton had never been spoken, and to open up a cultural and commercial space for Breton identity, an objective now supported by the state, local authorities and the regional media.
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- 2016
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11. Preliminary Favorable Outcome for Medically and Surgically Managed Extensively Drug-Resistant Tuberculosis, France, 2009–2014
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Benoît Henry, Matthieu Revest, Nathalie Dournon, Loïc Epelboin, Guillaume Mellon, Guillaume Bellaud, Pierre Mordant, Damien Le Dû, Nicolas Véziris, Christine Bernard, Sébastien Morel, Stéphane Jauréguiberry, Christian Michelet, François Bricaire, Pierre Tattevin, and Éric Caumes
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extensively drug-resistant tuberculosis ,tuberculosis ,TB ,XDR TB ,multidrug-resistant tuberculosis ,MDR TB ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
We report 20 cases of extensively drug-resistant tuberculosis managed in France. Treatment was individualized and included bedaquiline and linezolid for most patients and surgery in 8 patients. At last follow-up (22 months), 19 patients had achieved conversion from positive to negative on culture testing. These promising results of comprehensive management obtained in a small series deserve confirmation.
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- 2016
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12. Grantecan spectroscopic observations and confirmations of planetary nebulae candidates in the Northern galactic plane
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Ritter, Andreas, primary, Parker, Q A, additional, Sabin, L, additional, Le Dû, P, additional, Mulato, L, additional, and Patchick, D, additional
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- 2022
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13. Amateur PN discoveries and their spectral confirmation: A significant new addition to the Galactic PN inventory,
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Le Dû, P., primary, Mulato, L., additional, Parker, Q. A., additional, Petit, T., additional, Ritter, A., additional, Drechsler, M., additional, Strottner, X., additional, Patchick, D., additional, Prestgard, T., additional, Garde, O., additional, Outters, N., additional, and Raffaelli, T., additional
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- 2022
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14. « J’étais un vrai âne » : réflexions d’un locuteur natif sur l’évolution de la pratique du gaélique irlandais au XXe siècle
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Jean Le Dû
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Chonraí (Micil) ,memoirs ,autobiography ,Irish (language) ,Ireland ,sociolinguistics ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
In 1999, Micil Chonraí’s memoirs (Indreabhan, Clo Iar-Chonnacht) were published under the title Stairsheanchas Mhicil Chonraí (Micil Chonraí’s life story). The book comprised transcriptions by Conchuir O’Giollagain of the author-narrator-character’s taped autobiographical recordings. Chonraí was born in 1919 and was a member of one of forty Connemara Gaelic-speaking families that were resettled in County Meath in 1935 by the Irish government to revitalise the vernacular in this anglicised region. This ethnological, historical and social testimony allows us to compare viewpoints and to reflect on sociolinguistic practices and representations of Gaelic in the 20th century.
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- 2015
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15. Un projet partagé au service des acteurs : la plateforme d’Observatoires photographiques du paysage en Bretagne (POPP-Breizh)
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Laurence Le Dû-Blayo and Caroline Guittet
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landscape ,platform ,Observatories ,photographic ,participation ,network of stakeholders ,Social Sciences - Abstract
For the most part, Photographic Observatories of the Landscape are confronted with limiting factors when it comes to facilitating the sharing of documents, the sustainability of archiving and the reliability of metadata as well as the capacity to use it. The realisation of these limiting factors by the organisations supporting the Observatories in Brittany led us to propose a project for a platform within a research programme funded by the regional council of Brittany. This POPP-Breizh project for a platform for Photographic Observatories of the Landscape in Brittany was validated in June 2011 by the regional landscape committee and was implemented thanks to the funding of a thesis grant via a regional environmental and urban planning agency co-funding programme involving the regional council and the European Regional Development Fund for the IT development of the platform. This platform project, providing support services (putting photographic series online, indexing metadata, and circulating documents among stakeholders and the public), soon produced positive results well beyond the initial scope of the project, especially regarding two aspects : the building of a network of stakeholders and the sharing of innovations. As a result, it is also in the co-construction of the collaborative management of the programme’s implementation that POPP-Breizh has proved to be an innovative and complex project.
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- 2016
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16. Grantecan spectroscopic observations and confirmations of planetary nebulae candidates in the Northern Galactic Plane.
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Ritter, Andreas, Parker, Q A, Sabin, L, Le Dû, P, Mulato, L, and Patchick, D
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PLANETARY observations ,PLANETARY nebulae ,ELECTRON density ,ASTRONOMICAL observatories ,DATABASES ,OBSERVATORIES ,ASTRONOMICAL spectroscopy - Abstract
We present Gran Telescopio Canarias (GTC) spectroscopic confirmations of 55 faint Planetary Nebulae (PNe) candidates discovered largely in the INT Photometric H α Survey (IPHAS) of the Northern Galactic Plane by our pro-am collaboration. We confirm 46 of them as 'True' (T), 4 as 'Likely' (L), and 5 as 'Possible' (P) PNe and including 5 new PNe central star (CSPN) discoveries. This was from observations of 62 new candidates yielding a maximum PN discovery success rate of 89 per cent. The sensitivity and longer wavelength coverage of IPHAS allows PNe to be found in regions of greater extinction and at these lower Galactic latitudes, including PNe in a more advanced evolutionary state and at larger distances compared to previously known Galactic PNe. We use a holistic set of observed characteristics and optical emission-line diagnostics to confirm candidates. Plasma properties have been determined in a self-consistent way using pyneb. This work is facilitated by the functionality of our powerful, multiwavelength database 'HASH' (Hong Kong, Australian Astronomical Observatory, Strasbourg Observatory H-alpha Planetary Nebula catalogue) that federates known imaging, spectroscopy, and other pertinent data for all Galactic T, L, P PNe, and the significant numbers of mimics. Reddenings, corrected radial velocities, and PNe electron density and temperature estimates are provided for these new PNe wherever possible. [ABSTRACT FROM AUTHOR]
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- 2023
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17. Un atlas linguistique du créole des Petites Antilles (ALPA)
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Jean Le Dû
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linguistic atlas ,Creole (language) ,dialectology ,linguistic geography ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
This article presents the origins and development of the Atlas Linguistique du Créole des Petites Antilles (ALPA) in its academic, technical/scientific, historical and sociolinguistic contexts. The first volume of the ALPA, which was published in 2011 (Paris, CTHS), was based on a questionnaire comprising 467 questions administered to 92 informants across 48 survey points. It shows the dialectological distribution of the Creole in this area and is a key tool for geolinguistic studies on the subject.
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- 2011
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18. Thésaurus des noms de poissons d’animaux marins et du bord de mer des côtes de Basse-Bretagne
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Jean Le Dû
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dialectology ,Breton (language) ,Le Berre (Alain) ,Berr (Alan-Gwennog) ,ichthyonymy ,maritime Breton ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
The thesis of Alan-Gwenog Berr (whose official name is Alain Le Berre, a research fellow at the CNRS) entitled Ichthyonymie bretonne was published by the UBO (1970, 1973, 1973). It is an almost exhaustive inventory of the names of marine animals on the coasts of Lower Brittany (110 survey points): it contains not only the names of fish, but also those of all living beings in the sea of the region (except for algae), including mammals and marine birds. The field research, carried out in close collaboration with researchers from the Faculty of Science, is of a high scientific standard, both from a systematic and linguistic point of view. The article retraces the history of the project, outlines its methodology and proposes future avenues for linguistic exploitation.
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- 2009
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19. FRIPON: a worldwide network to track incoming meteoroids
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Marsset, Michaël, Brož, Miroslav, Castillo-Rogez, Julie, Hanuš, Josef, Viikinkoski, Matti, Ševeček, Pavel, Marchis, Franck, Podlewska-Gaca, Edyta, Asphaug, Erik, Bartczak, Przemyslaw, Berthier, Jérôme, Cipriani, Fabrice, Dudziński, Grzegorz, Dumas, Christophe, Ďurech, Josef, Ferrais, Marin, Fétick, Romain, Fusco, Thierry, Kaasalainen, Mikko, Kryszczynska, Agnieszka, Lamy, Philippe, Le Coroller, Hervé, Marciniak, Anna, Michalowski, Tadeusz, Michel, Patrick, Richardson, Derek, Santana-Ros, Toni, Vachier, Frédéric, Vigan, Arthur, Witasse, Olivier, Yang, Bin, Colas, François, Zanda, B., Bouley, S., Jeanne, S., Malgoyre, A., Birlan, Mirel, Blanpain, C., Gattacceca, J., Jorda, Laurent, Lecubin, J., Marmo, C., Rault, J., Vaubaillon, J., Vernazza, Pierre, Yohia, C., Gardiol, D., Nedelcu, A., Poppe, B., Rowe, J., Forcier, M., Trigo-Rodriguez, J., Lamy, H., Behrend, R., Ferrière, L., Barghini, D., Buzzoni, A., Carbognani, A., Di Carlo, M., Di Martino, M., Knapic, C., Londero, E., Pratesi, G., Rasetti, S., Riva, W., Stirpe, G., Valsecchi, G., Volpicelli, C., Zorba, S., Coward, D., Drolshagen, E., Drolshagen, G., Hernandez, O., Jehin, Emmanuel, Jobin, M., King, A., Nitschelm, C., Ott, T., Sanchez-Lavega, A., Toni, A., Abraham, P., Affaticati, F., Albani, M., Andreis, A., Andrieu, T., Anghel, S., Antaluca, E., Antier, K., Appéré, T., Armand, A., Ascione, G., Audureau, Y., Auxepaules, G., Avoscan, T., Baba Aissa, D., Bacci, P., Bǎdescu, O., Baldini, R., Baldo, R., Balestrero, A., Baratoux, D., Barbotin, E., Bardy, M., Basso, S., Bautista, O., Bayle, L., Beck, P., Bellitto, R., Belluso, R., Benna, C., Benammi, M., Beneteau, E., Benkhaldoun, Z., Bergamini, P., Bernardi, F., Bertaina, M., Bessin, P., Betti, L., Bettonvil, F., Bihel, D., Birnbaum, C., Blagoi, O., Blouri, E., Boacă, I., Boatǎ, R., Bobiet, B., Bonino, R., Boros, K., Bouchet, E., Borgeot, V., Bouchez, E., Boust, D., Boudon, V., Bouman, T., Bourget, P., Brandenburg, S., Bramond, Ph., Braun, E., Bussi, A., Cacault, P., Caillier, B., Calegaro, A., Camargo, J., Caminade, S., Campana, A., Campbell-Burns, P., Canal-Domingo, R., Carell, O., Carreau, S., Cascone, E., Cattaneo, C., Cauhape, P., Cavier, P., Celestin, S., Cellino, A., Champenois, M., Chennaoui Aoudjehane, H., Chevrier, S., Cholvy, P., Chomier, L., Christou, A., Cricchio, D., Coadou, P., Cocaign, J., Cochard, F., Cointin, S., Colombi, E., Colque Saavedra, J., Corp, L., Costa, M., Costard, F., COTTIER, M., Cournoyer, P., Coustal, E., Cremonese, G., Cristea, O., Cuzon, J., D’Agostino, G., Daiffallah, K., Dǎnescu, C., Dardon, A., Dasse, T., Davadan, C., Debs, V., Defaix, J., Deleflie, F., D’Elia, M., De Luca, P., De Maria, P., Deverchère, P., Devillepoix, H., Dias, A., Di Dato, A., Di Luca, R., Dominici, F., Drouard, Alexis, Dumont, J., Dupouy, P., Duvignac, L., Egal, A., Erasmus, N., Esseiva, N., Ebel, A., Eisengarten, B., Federici, F., Feral, S., Ferrant, G., Ferreol, E., Finitzer, P., Foucault, A., Francois, P., Frîncu, M., Froger, J., Gaborit, F., Gagliarducci, V., Galard, J., Gardavot, A., Garmier, M., Garnung, M., Gautier, B., Gendre, B., Gerard, D., Gerardi, A., Godet, J., Grandchamps, A., Grouiez, B., Groult, S., Guidetti, D., Giuli, G., Hello, Y., Henry, X., Herbreteau, G., Herpin, M., Hewins, P., Hillairet, J., Horak, J., Hueso, R., Huet, E., Huet, S., Hyaumé, F., Interrante, G., Isselin, Y., Jeangeorges, Y., Janeux, P., Jeanneret, P., Jobse, K., Jouin, S., Jouvard, J., Joy, K., Julien, J., Kacerek, R., Kaire, M., Kempf, M., Koschny, D., Krier, C., Kwon, M., Lacassagne, L., Lachat, D., Lagain, A., Laisné, E., Lanchares, V., Laskar, J., Lazzarin, M., Leblanc, M., Lebreton, J., Lecomte, J., Le Dû, P., LELONG, F., Lera, S., Leoni, J., Le-Pichon, A., Le-Poupon, P., Leroy, A., Leto, G., Levansuu, A., Lewin, E., Lienard, A., Licchelli, D., LOCATELLI, H., Loehle, S., Loizeau, D., Luciani, L., Maignan, M., Manca, F., Mancuso, S., Mandon, E., Mangold, N., Mannucci, F., Maquet, L., Marant, D., Marchal, Y., Marin, J., Martin-Brisset, J., Martin, D., Mathieu, D., Maury, A., Mespoulet, N., Meyer, F., Meyer, J., Meza, E., Moggi Cecchi, V., Moiroud, J., Millan, M., Montesarchio, M., Misiano, A., Molinari, E., Molau, S., Monari, J., Monflier, B., Monkos, A., Montemaggi, M., Monti, G., Moreau, R., Morin, J., Mourgues, R., Mousis, O., Nablanc, C., Nastasi, A., Niacşu, L., Notez, P., Ory, M., Pace, E., Paganelli, M., Pagola, A., Pajuelo, M., Palacián, J., Pallier, G., Paraschiv, P., Pardini, R., Pavone, M., Pavy, G., Payen, G., Pegoraro, A., Peña-Asensio, E., Perez, L., Pérez-Hoyos, S., Perlerin, V., Peyrot, A., Peth, F., Pic, V., Pietronave, S., Pilger, C., Piquel, M., Pisanu, T., Poppe, M., Portois, L., Prezeau, J., Pugno, N., Quantin, C., Quitté, G., Rambaux, Nicolas, Ravier, E., Repetti, U., Ribas, S., Richard, C., Richard, D., RIGONI, M., Rivet, J., Rizzi, N., Rochain, S., Rojas, J.F., Romeo, M., Rotaru, M., Rotger, M., Rougier, P., Rousselot, P., Rousset, J., Rousseu, D., Rubiera, O., Rudawska, R., Rudelle, J., Ruguet, J.P., Russo, P., Sales, S., Sauzereau, O., Salvati, F., Schieffer, M., Schreiner, D., Scribano, Y., Selvestrel, D., Serra, R., Shengold, L., Shuttleworth, A., Smareglia, R., Sohy, S., Soldi, M., Stanga, R., Steinhausser, A., Strafella, F., Sylla Mbaye, S., Smedley, A., Tagger, M., Tanga, Paolo, Taricco, C., Teng, J., Tercu, J., Thizy, O., Thomas, J., Tombelli, M., Trangosi, R., Tregon, B., Trivero, P., Tukkers, A., Turcu, V., Umbriaco, G., Unda-Sanzana, E., Vairetti, R., Valenzuela, M., Valente, G., Varennes, G., Vauclair, S., Vergne, J., Verlinden, M., Vidal-Alaiz, M., Vieira-Martins, R., Viel, A., Vîntdevarǎ, D., Vinogradoff, V., Volpini, P., Wendling, M., Wilhelm, P., Wohlgemuth, K., Yanguas, P., Zagarella, R., Zollo, A., l'Observatoire de Paris, Muséum national d'Histoire naturelle (France), Université Paris-Saclay, OSU Institut Pythéas, Istituto Nazionale di Astrofisica, Fondazione Cassa di Risparmio di Torino, Fondazione De Mari Savona, Diputación Foral de Bizkaia, Ministry of Research and Innovation (Romania), Museu de Astronomia e Ciências Afins (Brazil), Labex ESEP, Sorbonne Université, Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. InaMat - Institute for Advanced Materials, Universidad Pública de Navarra. Departamento de Estadística, Informática y Matemáticas, Nafarroako Unibertsitate Publikoa. Estatistika, Informatika eta Matematika Saila, Institut de Mécanique Céleste et de Calcul des Ephémérides (IMCCE), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Lille-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut Pythéas (OSU PYTHEAS), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centre européen de recherche et d'enseignement des géosciences de l'environnement (CEREGE), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Laboratoire d'Astrophysique de Marseille (LAM), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique (LERMA (UMR_8112)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-CY Cergy Paris Université (CY), Unité Scientifique de la Station de Nançay (USN), Centre National de la Recherche Scientifique (CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO), Laboratoire de paléontologie, évolution, paléoécosystèmes, paléoprimatologie (PALEVOPRIM ), Université de Poitiers-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL), Diagnostic des Plasmas Hors Equilibres (DPHE), Institut national universitaire Champollion [Albi] (INUC), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées, Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), Observatoire des Sciences de l'Univers en région Centre (OSUC), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Galaxies, Etoiles, Physique, Instrumentation (GEPI), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Architecture et Logiciels pour Systèmes Embarqués sur Puce (ALSOC), LIP6, Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres (LERMA), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-CY Cergy Paris Université (CY), Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Planétologie et Géosciences - Le Mans (LPG - Le Mans), Laboratoire de Planétologie et Géosciences [UMR_C 6112] (LPG), Université d'Angers (UA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST), Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Université d'Angers (UA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST), Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), Université de Technologie de Belfort-Montbeliard (UTBM)-Université de Bourgogne (UB)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS), Université de Toulouse (UT)-Université de Toulouse (UT), Lumière, nanomatériaux et nanotechnologies (L2n), Institut Charles Delaunay (ICD), Université de Technologie de Troyes (UTT)-Centre National de la Recherche Scientifique (CNRS)-Université de Technologie de Troyes (UTT)-Centre National de la Recherche Scientifique (CNRS), Univers, Transport, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213) (UTINAM), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Morphodynamique Continentale et Côtière (M2C), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS), Institut de minéralogie, de physique des matériaux et de cosmochimie (IMPMC), Muséum national d'Histoire naturelle (MNHN)-Institut de recherche pour le développement [IRD] : UR206-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Géosciences Paris Saclay (GEOPS), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Colas, F., Zanda, B., Bouley, S., Jeanne, S., Malgoyre, A., Birlan, M., Blanpain, C., Gattacceca, J., Jorda, L., Lecubin, J., Marmo, C., Rault, J. L., Vaubaillon, J., Vernazza, P., Yohia, C., Gardiol, D., Nedelcu, A., Poppe, B., Rowe, J., Forcier, M., Koschny, D., Trigo-Rodriguez, J. M., Lamy, H., Behrend, R., Ferriere, L., Barghini, D., Buzzoni, A., Carbognani, A., Di Carlo, M., Di Martino, M., Knapic, C., Londero, E., Pratesi, G., Rasetti, S., Riva, W., Stirpe, G. M., Valsecchi, G. B., Volpicelli, C. A., Zorba, S., Coward, D., Drolshagen, E., Drolshagen, G., Hernandez, O., Jehin, E., Jobin, M., King, A., Nitschelm, C., Ott, T., Sanchez-Lavega, A., Toni, A., Abraham, P., Affaticati, F., Albani, M., Andreis, A., Andrieu, T., Anghel, S., Antaluca, E., Antier, K., Appere, T., Armand, A., Ascione, G., Audureau, Y., Auxepaules, G., Avoscan, T., Baba Aissa, D., Bacci, P., Badescu, O., Baldini, R., Baldo, R., Balestrero, A., Baratoux, D., Barbotin, E., Bardy, M., Basso, S., Bautista, O., Bayle, L. D., Beck, P., Bellitto, R., Belluso, R., Benna, C., Benammi, M., Beneteau, E., Benkhaldoun, Z., Bergamini, P., Bernardi, F., Bertaina, M. E., Bessin, P., Betti, L., Bettonvil, F., Bihel, D., Birnbaum, C., Blagoi, O., Blouri, E., Boaca, I., Boata, R., Bobiet, B., Bonino, R., Boros, K., Bouchet, E., Borgeot, V., Bouchez, E., Boust, D., Boudon, V., Bouman, T., Bourget, P., Brandenburg, S., Bramond, P., Braun, E., Bussi, A., Cacault, P., Caillier, B., Calegaro, A., Camargo, J., Caminade, S., Campana, A. P. C., Campbell-Burns, P., Canal-Domingo, R., Carell, O., Carreau, S., Cascone, E., Cattaneo, C., Cauhape, P., Cavier, P., Celestin, S., Cellino, A., Champenois, M., Chennaoui Aoudjehane, H., Chevrier, S., Cholvy, P., Chomier, L., Christou, A., Cricchio, D., Coadou, P., Cocaign, J. Y., Cochard, F., Cointin, S., Colombi, E., Colque Saavedra, J. P., Corp, L., Costa, M., Costard, F., Cottier, M., Cournoyer, P., Coustal, E., Cremonese, G., Cristea, O., Cuzon, J. C., D'Agostino, G., Daiffallah, K., Danescu, C., Dardon, A., Dasse, T., Davadan, C., Debs, V., Defaix, J. P., Deleflie, F., D'Elia, M., De Luca, P., De Maria, P., Deverchere, P., Devillepoix, H., Dias, A., Di Dato, A., Di Luca, R., Dominici, F. M., Drouard, A., Dumont, J. L., Dupouy, P., Duvignac, L., Egal, A., Erasmus, N., Esseiva, N., Ebel, A., Eisengarten, B., Federici, F., Feral, S., Ferrant, G., Ferreol, E., Finitzer, P., Foucault, A., Francois, P., Frincu, M., Froger, J. L., Gaborit, F., Gagliarducci, V., Galard, J., Gardavot, A., Garmier, M., Garnung, M., Gautier, B., Gendre, B., Gerard, D., Gerardi, A., Godet, J. P., Grandchamps, A., Grouiez, B., Groult, S., Guidetti, D., Giuli, G., Hello, Y., Henry, X., Herbreteau, G., Herpin, M., Hewins, P., Hillairet, J. J., Horak, J., Hueso, R., Huet, E., Huet, S., Hyaume, F., Interrante, G., Isselin, Y., Jeangeorges, Y., Janeux, P., Jeanneret, P., Jobse, K., Jouin, S., Jouvard, J. M., Joy, K., Julien, J. F., Kacerek, R., Kaire, M., Kempf, M., Krier, C., Kwon, M. K., Lacassagne, L., Lachat, D., Lagain, A., Laisne, E., Lanchares, V., Laskar, J., Lazzarin, M., Leblanc, M., Lebreton, J. P., Lecomte, J., Le Du, P., Lelong, F., Lera, S., Leoni, J. F., Le-Pichon, A., Le-Poupon, P., Leroy, A., Leto, G., Levansuu, A., Lewin, E., Lienard, A., Licchelli, D., Locatelli, H., Loehle, S., Loizeau, D., Luciani, L., Maignan, M., Manca, F., Mancuso, S., Mandon, E., Mangold, N., Mannucci, F., Maquet, L., Marant, D., Marchal, Y., Marin, J. L., Martin-Brisset, J. C., Martin, D., Mathieu, D., Maury, A., Mespoulet, N., Meyer, F., Meyer, J. Y., Meza, E., Moggi Cecchi, V., Moiroud, J. J., Millan, M., Montesarchio, M., Misiano, A., Molinari, E., Molau, S., Monari, J., Monflier, B., Monkos, A., Montemaggi, M., Monti, G., Moreau, R., Morin, J., Mourgues, R., Mousis, O., Nablanc, C., Nastasi, A., Niacsu, L., Notez, P., Ory, M., Pace, E., Paganelli, M. A., Pagola, A., Pajuelo, M., Palacian, J. F., Pallier, G., Paraschiv, P., Pardini, R., Pavone, M., Pavy, G., Payen, G., Pegoraro, A., Pena-Asensio, E., Perez, L., Perez-Hoyos, S., Perlerin, V., Peyrot, A., Peth, F., Pic, V., Pietronave, S., Pilger, C., Piquel, M., Pisanu, T., Poppe, M., Portois, L., Prezeau, J. F., Pugno, N., Quantin, C., Quitte, G., Rambaux, N., Ravier, E., Repetti, U., Ribas, S., Richard, C., Richard, D., Rigoni, M., Rivet, J. P., Rizzi, N., Rochain, S., Rojas, J. F., Romeo, M., Rotaru, M., Rotger, M., Rougier, P., Rousselot, P., Rousset, J., Rousseu, D., Rubiera, O., Rudawska, R., Rudelle, J., Ruguet, J. P., Russo, P., Sales, S., Sauzereau, O., Salvati, F., Schieffer, M., Schreiner, D., Scribano, Y., Selvestrel, D., Serra, R., Shengold, L., Shuttleworth, A., Smareglia, R., Sohy, S., Soldi, M., Stanga, R., Steinhausser, A., Strafella, F., Sylla Mbaye, S., Smedley, A. R. D., Tagger, M., Tanga, P., Taricco, C., Teng, J. P., Tercu, J. O., Thizy, O., Thomas, J. P., Tombelli, M., Trangosi, R., Tregon, B., Trivero, P., Tukkers, A., Turcu, V., Umbriaco, G., Unda-Sanzana, E., Vairetti, R., Valenzuela, M., Valente, G., Varennes, G., Vauclair, S., Vergne, J., Verlinden, M., Vidal-Alaiz, M., Vieira-Martins, R., Viel, A., Vintdevara, D. C., Vinogradoff, V., Volpini, P., Wendling, M., Wilhelm, P., Wohlgemuth, K., Yanguas, P., Zagarella, R., Zollo, A., Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. INAMAT2 - Institute for Advanced Materials and Mathematics, Ferrière, L., Appéré, T., Bǎdescu, O., Boacă, I., Boatǎ, R., Bramond, Ph., D’Agostino, G., Dǎnescu, C., D’Elia, M., Deverchère, P., Frîncu, M., Hyaumé, F., Laisné, E., Le Dû, P., Niacşu, L., Palacián, J. F., Peña-Asensio, E., Pérez-Hoyos, S., Quitté, G., Rojas, J.F., Ruguet, J.P., Vîntdevarǎ, D. C., Research unit Medical Physics, and Damage and Repair in Cancer Development and Cancer Treatment (DARE)
- Subjects
DYNAMICS ,[INFO.INFO-AR]Computer Science [cs]/Hardware Architecture [cs.AR] ,Meteors ,Computer science ,Radio receiver ,[INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM] ,Surveys ,010502 geochemistry & geophysics ,Track (rail transport) ,01 natural sciences ,Meteorites, meteors, meteoroids ,law.invention ,Planets and planetary system ,[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing ,Methods: observational ,law ,[INFO.INFO-RB]Computer Science [cs]/Robotics [cs.RO] ,meteoroids ,010303 astronomy & astrophysics ,ComputingMilieux_MISCELLANEOUS ,Observational methods ,Earth and Planetary Astrophysics (astro-ph.EP) ,meteoroids -surveys -methods: observational -interplanetary medium ,[SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] ,ORIGIN ,[INFO.INFO-AO]Computer Science [cs]/Computer Arithmetic ,meteorites, meteors, meteoroids – surveys – methods: observational – interplanetary medium ,Meteoroids ,RECOVERY ,ORBIT ,Meteorite ,Fully automated ,Interplanetary medium ,[INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV] ,[INFO.INFO-DC]Computer Science [cs]/Distributed, Parallel, and Cluster Computing [cs.DC] ,Astrophysics - Instrumentation and Methods for Astrophysics ,[SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing ,FLUX ,Real-time computing ,fripon ,[INFO.INFO-DS]Computer Science [cs]/Data Structures and Algorithms [cs.DS] ,FOS: Physical sciences ,Context (language use) ,CAMERA ,[INFO.INFO-SE]Computer Science [cs]/Software Engineering [cs.SE] ,[SPI.AUTO]Engineering Sciences [physics]/Automatic ,[SDU.STU.PL]Sciences of the Universe [physics]/Earth Sciences/Planetology ,0103 physical sciences ,FIREBALL NETWORK ,observational [Methods] ,meteors ,Instrumentation and Methods for Astrophysics (astro-ph.IM) ,0105 earth and related environmental sciences ,Meteoroid ,INNISFREE METEORITE ,[INFO.INFO-CV]Computer Science [cs]/Computer Vision and Pattern Recognition [cs.CV] ,Astronomy and Astrophysics ,METEORITE FALL ,Meteorites, meteors, meteoroid ,Camera network ,Space and Planetary Science ,[SDU]Sciences of the Universe [physics] ,Interplanetary spaceflight ,meteroids tracking ,meteoroids - surveys - methods: observational ,SYSTEM ,Astrophysics - Earth and Planetary Astrophysics ,Meteorites - Abstract
Context. Until recently, camera networks designed for monitoring fireballs worldwide were not fully automated, implying that in case of a meteorite fall, the recovery campaign was rarely immediate. This was an important limiting factor as the most fragile - hence precious - meteorites must be recovered rapidly to avoid their alteration. Aims. The Fireball Recovery and InterPlanetary Observation Network (FRIPON) scientific project was designed to overcome this limitation. This network comprises a fully automated camera and radio network deployed over a significant fraction of western Europe and a small fraction of Canada. As of today, it consists of 150 cameras and 25 European radio receivers and covers an area of about 1.5 × 10km. Methods. The FRIPON network, fully operational since 2018, has been monitoring meteoroid entries since 2016, thereby allowing the characterization of their dynamical and physical properties. In addition, the level of automation of the network makes it possible to trigger a meteorite recovery campaign only a few hours after it reaches the surface of the Earth. Recovery campaigns are only organized for meteorites with final masses estimated of at least 500 g, which is about one event per year in France. No recovery campaign is organized in the case of smaller final masses on the order of 50 to 100 g, which happens about three times a year; instead, the information is delivered to the local media so that it can reach the inhabitants living in the vicinity of the fall. Results. Nearly 4000 meteoroids have been detected so far and characterized by FRIPON. The distribution of their orbits appears to be bimodal, with a cometary population and a main belt population. Sporadic meteors amount to about 55% of all meteors. A first estimate of the absolute meteoroid flux (mag < -5; meteoroid size ≥∼1 cm) amounts to 1250/yr/10km. This value is compatible with previous estimates. Finally, the first meteorite was recovered in Italy (Cavezzo, January 2020) thanks to the PRISMA network, a component of the FRIPON science project., FRIPON was initiated by funding from ANR (grant N.13- BS05-0009-03), carried by the Paris Observatory, Muséum National d’Histoire Naturelle, Paris-Saclay University and Institut Pythéas (LAM-CEREGE). VigieCiel was part of the 65 Millions d’Observateurs project, carried by the Muséum National d’Histoire Naturelle and funded by the French Investissements d’Avenir program. FRIPON data are hosted and processed at Institut Pythéas SIP (Service Informatique Pythéas), and a mirror is hosted at IMCCE (Institut de Mécanique Céleste et de Calcul des Éphémérides / Paris Observatory) with the help of IDOC (https://idoc.ias.u-psud.fr) (Integrated Data and Operation Center), supported by CNRS and CNES. PRISMA is the Italian Network for Systematic surveillance of Meteors and Atmosphere. It is a collaboration initiated and coordinated by the Italian National Institute for Astrophysics (INAF) that counts members among research institutes, associations and schools (http://www.prisma.inaf.it). PRISMA was partially funded by 2016 and 2020 Research and Education grants from Fondazione Cassa di Risparmio di Torino and by a 2016 grant from Fondazione Agostino De Mari (Savona). FRIPON-Bilbao is supported by a grant from Diputacion Foral Bizkaia (DFB/BFA). FRIPONMOROI was supported by a grant of the Romanian Ministery of Research and Innovation, CCCDI - UEFISCDI, project number PN-III-P1-1.2-PCCDI2017-0226/16PCCDI/2018 , within PNCDI III. Rio de Janeiro camera is hosted and partially maintained by MAST (Museum of Astronomy and Related Sciences)/MCTIC. The Meteorix project acknowledges supports from labex ESEP (Exploration Spatiale des Environnements Planétaires), DIM-ACAV+ Région Île-de-France, Janus CNES, IDEX Sorbonne Universités and Sorbonne Université.
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- 2020
20. Vers une meilleure intégration des Observatoires Photographiques du Paysage (OPP) dans la gouvernance territoriale : de l’OPP des experts à l’OPP des habitants ?
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Caroline Guittet and Laurence Le Dû-Blayo
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landscape photographic observatories ,social representation ,landscape dynamic ,participative action ,Geography (General) ,G1-922 - Abstract
Since 2000, many landscape photographic observatories (Observatoire Photographique du Paysage, OPP) have spread out in France and all around Europe, either at local, regional and national levels. They tend to be better integrated into public policies throughout planning and assessment. They are also use as communication tool between people and local stakeholders through survey and participative actions. These experimentations open up new horizons for the implementation of OPP to get information about landscape dynamics as well as about social representation of landscape dynamics.
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- 2015
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21. Comptes rendus
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Jean Le Dû
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Language. Linguistic theory. Comparative grammar ,P101-410 - Published
- 2004
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22. La dialectologie et la géolinguistique bougent encore !
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Jean Le Dû
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sociolinguistics ,dialectology ,linguistic atlas ,Breton (language) ,geolinguistics ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
The first twelve issues of La Bretagne Linguistique reflected the study and reflection days of the Groupe de recherche sur l'économie linguistique de la Bretagne, founded in 1984. They were mainly devoted to sociolinguistics. After a long interruption, we thought it would be a good idea, before returning to sociolinguistics, to devote a special issue to Breton dialectology and geolinguistics. The organisation of this issue is under the responsibility of Jean Le Dû, Professor Emeritus, and Nelly Blanchard, who teaches dialectology in the Celtic department of the University of Western Brittany.
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- 2004
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23. Biliary PAH metabolites, EROD activity and DNA damage in dab (Limanda limanda) from Seine Estuary (France)
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Dévier, Marie-Hélène, Le Dû-Lacoste, Marie, Akcha, Farida, Morin, Bénédicte, Peluhet, Laurent, Le Menach, Karyn, Burgeot, Thierry, and Budzinski, Hélène
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- 2013
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24. Comparative study of different exposure routes on the biotransformation and genotoxicity of PAHs in the flatfish species, Scophthalmus maximus
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Le Dû-Lacoste, Marie, Akcha, Farida, Dévier, Marie-Hélène, Morin, Bénédicte, Burgeot, Thierry, and Budzinski, Hélène
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- 2013
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25. Les photographies du paysage : quelles analyses des dynamiques paysagères ?
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Caroline Guittet and Laurence Le Dû-Blayo
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landscape dynamics ,photographic observatories of landscape ,landscape perception ,landscape awareness ,Brittany (France) ,Social Sciences - Abstract
Diachronous photographic series are didactic resources for understanding landscape dynamics. In fact, several experiments, using quantitative and qualitative methods, attest to this interest in analysing photographs. The example of documents on urban dynamics in Brittany (France) makes it possible to study potentials of both corpus and methods. The utilization of photographic observatories of landscape (Observatoires photographiques du paysage, OPP) and of an iconographic complementary fund with a qualitative approach gives a detailed reflection of landscape dynamics. In other words, this corpus is representative of the regional dynamics from the century scale to the multiannual scale through identification of local specificities and practices in connection with the landscape.
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- 2013
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26. Introduction
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Jean Le Dû and Yves Le Berre
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sociolinguistics ,is there a French sociolinguistic exception? (colloquium) ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
Presentation of the colloquium "Is there a French sociolinguistic exception?" which took place in Brest on 5, 6 and 7 June 1997, followed by a letter from Renée Balibar.
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- 1998
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27. Design and implementation of the new D0 level-1 calorimeter trigger
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Abolins, M., Adams, M., Adams, T., Aguilo, E., Anderson, J., Bagby, L., Ban, J., Barberis, E., Beale, S., Benitez, J., Biehl, J., Bowden, M., Brock, R., Bystricky, J., Cwiok, M., Calvet, D., Cihangir, S., Edmunds, D., Evans, H., Fantasia, C., Foglesong, J., Green, J., Johnson, C., Kehoe, R., Lammers, S., Laurens, P., Le Dû, P., Mangeard, P.S., Mitrevski, J., Mulhearn, M., Mur, M., Naimuddin, Md., Parsons, J., Pawloski, G., Perez, E., Renkel, P., Roe, A., Sippach, W., Stone, A., Taylor, W., Unalan, R., Varelas, N., Verzocchi, M., Weerts, H., Wood, D.R., Zhang, L., and Zmuda, T.
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- 2008
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28. Faits de langues, faits de sociétés
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Jean Le Dû and Yves Le Berre
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norm ,sociolinguistics ,badume ,standard ,institution ,speaker ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
Based on the distinction between language and speech, and opting for an approach to the speaker as both subject and producer of language, this article proposes to define language, speech and society in relation to each other, in other words, to address the sociality of language, the relationships between institutions and idioms, their hierarchy and reciprocity, and the distinction between the two registers of social communication.
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- 1998
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29. Parité et disparité : sphère publique et sphère privée de la parole
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Jean Le Dû and Yves Le Berre
- Subjects
sociolinguistics ,Breton (language) ,linguistic variation ,badume-standard-norm (conference) ,linguistic register ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
This paper opened the “Badume-Standard-Norme” conference which took place in Brest (June 2-4, 1994). The authors of this paper explain why they decided to organise this conference: to confront the theories they have developed while studying the Breton language and its speakers, their open-air laboratory, with the criticism of researchers interested in linguistic matters. At the forefront of these theories detailed here is “badume” (ba-dum: “at home”), used to designate the Breton language spoken locally in traditional society, and then by extension to the languages which fall within the parity register. The “standard” and the “norm”, which belong to the disparity register, are linked to it. If these instruments are used to describe the reality of Breton in Western-Brittany, what about elsewhere?
- Published
- 1996
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30. L’élaboration d’une banque de données textuelles du breton
- Author
-
Yves Le Berre and Jean Le Dû
- Subjects
Breton (language) ,Breton literature ,database ,lexicography ,linguistic variation ,computer science ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
The dictionaries of all the major languages with a long lexicographical tradition are generally referenced to the written language, particularly the literary language. The Breton language has a long lexicographical tradition, but the sources of its dictionaries are mixed, so that none of them offers the lexicographer the material which would enable him to specify the register, level and use of a given word. The database presented in this article is intended to fill this gap by indexing terms from a wide range of texts from the Middle Ages to the present day. In this way, it is possible to obtain images of the language according to the period or context of writing.
- Published
- 1993
- Full Text
- View/download PDF
31. Cartographie des paysages : apport à l’analyse des trames vertes et bleues
- Author
-
Émilie Bourget and Laurence Le Dû-Blayo
- Subjects
landscape ,landscape structure ,scaling ,remote sensing ,object-oriented approach ,Social Sciences - Abstract
Nowadays landscape Atlases cover a great part of mainland France. Beyond their great diversity they all try to describe landscape units of their territories. In order to clarify the situation, the French department of ecology and sustainable development defined a specific vocabulary to link landscape and scales of observation : landscape unit, landscape structure, landscape element. Remote sensing, linked with a land approach, allows identification and cartography of some differents landscape types, and therefore of the landscape structures, particularly with the object-oriented approach. This method is based on the classification of segmented objects extracted from a high-resolution satellite image. This study shows an example picked up on the Pays de Saint-Brieuc, in Côtes d’Armor (France), and deals specifically with the case of the valleys, which strongly structure this space.
- Published
- 2010
- Full Text
- View/download PDF
32. FRIPON: a worldwide network to track incoming meteoroids
- Author
-
Colas, F., primary, Zanda, B., additional, Bouley, S., additional, Jeanne, S., additional, Malgoyre, A., additional, Birlan, M., additional, Blanpain, C., additional, Gattacceca, J., additional, Jorda, L., additional, Lecubin, J., additional, Marmo, C., additional, Rault, J. L., additional, Vaubaillon, J., additional, Vernazza, P., additional, Yohia, C., additional, Gardiol, D., additional, Nedelcu, A., additional, Poppe, B., additional, Rowe, J., additional, Forcier, M., additional, Koschny, D., additional, Trigo-Rodriguez, J. M., additional, Lamy, H., additional, Behrend, R., additional, Ferrière, L., additional, Barghini, D., additional, Buzzoni, A., additional, Carbognani, A., additional, Di Carlo, M., additional, Di Martino, M., additional, Knapic, C., additional, Londero, E., additional, Pratesi, G., additional, Rasetti, S., additional, Riva, W., additional, Stirpe, G. M., additional, Valsecchi, G. B., additional, Volpicelli, C. A., additional, Zorba, S., additional, Coward, D., additional, Drolshagen, E., additional, Drolshagen, G., additional, Hernandez, O., additional, Jehin, E., additional, Jobin, M., additional, King, A., additional, Nitschelm, C., additional, Ott, T., additional, Sanchez-Lavega, A., additional, Toni, A., additional, Abraham, P., additional, Affaticati, F., additional, Albani, M., additional, Andreis, A., additional, Andrieu, T., additional, Anghel, S., additional, Antaluca, E., additional, Antier, K., additional, Appéré, T., additional, Armand, A., additional, Ascione, G., additional, Audureau, Y., additional, Auxepaules, G., additional, Avoscan, T., additional, Baba Aissa, D., additional, Bacci, P., additional, Bǎdescu, O., additional, Baldini, R., additional, Baldo, R., additional, Balestrero, A., additional, Baratoux, D., additional, Barbotin, E., additional, Bardy, M., additional, Basso, S., additional, Bautista, O., additional, Bayle, L. D., additional, Beck, P., additional, Bellitto, R., additional, Belluso, R., additional, Benna, C., additional, Benammi, M., additional, Beneteau, E., additional, Benkhaldoun, Z., additional, Bergamini, P., additional, Bernardi, F., additional, Bertaina, M. E., additional, Bessin, P., additional, Betti, L., additional, Bettonvil, F., additional, Bihel, D., additional, Birnbaum, C., additional, Blagoi, O., additional, Blouri, E., additional, Boacă, I., additional, Boatǎ, R., additional, Bobiet, B., additional, Bonino, R., additional, Boros, K., additional, Bouchet, E., additional, Borgeot, V., additional, Bouchez, E., additional, Boust, D., additional, Boudon, V., additional, Bouman, T., additional, Bourget, P., additional, Brandenburg, S., additional, Bramond, Ph., additional, Braun, E., additional, Bussi, A., additional, Cacault, P., additional, Caillier, B., additional, Calegaro, A., additional, Camargo, J., additional, Caminade, S., additional, Campana, A. P. C., additional, Campbell-Burns, P., additional, Canal-Domingo, R., additional, Carell, O., additional, Carreau, S., additional, Cascone, E., additional, Cattaneo, C., additional, Cauhape, P., additional, Cavier, P., additional, Celestin, S., additional, Cellino, A., additional, Champenois, M., additional, Chennaoui Aoudjehane, H., additional, Chevrier, S., additional, Cholvy, P., additional, Chomier, L., additional, Christou, A., additional, Cricchio, D., additional, Coadou, P., additional, Cocaign, J. Y., additional, Cochard, F., additional, Cointin, S., additional, Colombi, E., additional, Colque Saavedra, J. P., additional, Corp, L., additional, Costa, M., additional, Costard, F., additional, Cottier, M., additional, Cournoyer, P., additional, Coustal, E., additional, Cremonese, G., additional, Cristea, O., additional, Cuzon, J. C., additional, D’Agostino, G., additional, Daiffallah, K., additional, Dǎnescu, C., additional, Dardon, A., additional, Dasse, T., additional, Davadan, C., additional, Debs, V., additional, Defaix, J. P., additional, Deleflie, F., additional, D’Elia, M., additional, De Luca, P., additional, De Maria, P., additional, Deverchère, P., additional, Devillepoix, H., additional, Dias, A., additional, Di Dato, A., additional, Di Luca, R., additional, Dominici, F. M., additional, Drouard, A., additional, Dumont, J. L., additional, Dupouy, P., additional, Duvignac, L., additional, Egal, A., additional, Erasmus, N., additional, Esseiva, N., additional, Ebel, A., additional, Eisengarten, B., additional, Federici, F., additional, Feral, S., additional, Ferrant, G., additional, Ferreol, E., additional, Finitzer, P., additional, Foucault, A., additional, Francois, P., additional, Frîncu, M., additional, Froger, J. L., additional, Gaborit, F., additional, Gagliarducci, V., additional, Galard, J., additional, Gardavot, A., additional, Garmier, M., additional, Garnung, M., additional, Gautier, B., additional, Gendre, B., additional, Gerard, D., additional, Gerardi, A., additional, Godet, J. P., additional, Grandchamps, A., additional, Grouiez, B., additional, Groult, S., additional, Guidetti, D., additional, Giuli, G., additional, Hello, Y., additional, Henry, X., additional, Herbreteau, G., additional, Herpin, M., additional, Hewins, P., additional, Hillairet, J. J., additional, Horak, J., additional, Hueso, R., additional, Huet, E., additional, Huet, S., additional, Hyaumé, F., additional, Interrante, G., additional, Isselin, Y., additional, Jeangeorges, Y., additional, Janeux, P., additional, Jeanneret, P., additional, Jobse, K., additional, Jouin, S., additional, Jouvard, J. M., additional, Joy, K., additional, Julien, J. F., additional, Kacerek, R., additional, Kaire, M., additional, Kempf, M., additional, Krier, C., additional, Kwon, M. K., additional, Lacassagne, L., additional, Lachat, D., additional, Lagain, A., additional, Laisné, E., additional, Lanchares, V., additional, Laskar, J., additional, Lazzarin, M., additional, Leblanc, M., additional, Lebreton, J. P., additional, Lecomte, J., additional, Le Dû, P., additional, Lelong, F., additional, Lera, S., additional, Leoni, J. F., additional, Le-Pichon, A., additional, Le-Poupon, P., additional, Leroy, A., additional, Leto, G., additional, Levansuu, A., additional, Lewin, E., additional, Lienard, A., additional, Licchelli, D., additional, Locatelli, H., additional, Loehle, S., additional, Loizeau, D., additional, Luciani, L., additional, Maignan, M., additional, Manca, F., additional, Mancuso, S., additional, Mandon, E., additional, Mangold, N., additional, Mannucci, F., additional, Maquet, L., additional, Marant, D., additional, Marchal, Y., additional, Marin, J. L., additional, Martin-Brisset, J. C., additional, Martin, D., additional, Mathieu, D., additional, Maury, A., additional, Mespoulet, N., additional, Meyer, F., additional, Meyer, J. Y., additional, Meza, E., additional, Moggi Cecchi, V., additional, Moiroud, J. J., additional, Millan, M., additional, Montesarchio, M., additional, Misiano, A., additional, Molinari, E., additional, Molau, S., additional, Monari, J., additional, Monflier, B., additional, Monkos, A., additional, Montemaggi, M., additional, Monti, G., additional, Moreau, R., additional, Morin, J., additional, Mourgues, R., additional, Mousis, O., additional, Nablanc, C., additional, Nastasi, A., additional, Niacşu, L., additional, Notez, P., additional, Ory, M., additional, Pace, E., additional, Paganelli, M. A., additional, Pagola, A., additional, Pajuelo, M., additional, Palacián, J. F., additional, Pallier, G., additional, Paraschiv, P., additional, Pardini, R., additional, Pavone, M., additional, Pavy, G., additional, Payen, G., additional, Pegoraro, A., additional, Peña-Asensio, E., additional, Perez, L., additional, Pérez-Hoyos, S., additional, Perlerin, V., additional, Peyrot, A., additional, Peth, F., additional, Pic, V., additional, Pietronave, S., additional, Pilger, C., additional, Piquel, M., additional, Pisanu, T., additional, Poppe, M., additional, Portois, L., additional, Prezeau, J. F., additional, Pugno, N., additional, Quantin, C., additional, Quitté, G., additional, Rambaux, N., additional, Ravier, E., additional, Repetti, U., additional, Ribas, S., additional, Richard, C., additional, Richard, D., additional, Rigoni, M., additional, Rivet, J. P., additional, Rizzi, N., additional, Rochain, S., additional, Rojas, J.F., additional, Romeo, M., additional, Rotaru, M., additional, Rotger, M., additional, Rougier, P., additional, Rousselot, P., additional, Rousset, J., additional, Rousseu, D., additional, Rubiera, O., additional, Rudawska, R., additional, Rudelle, J., additional, Ruguet, J.P., additional, Russo, P., additional, Sales, S., additional, Sauzereau, O., additional, Salvati, F., additional, Schieffer, M., additional, Schreiner, D., additional, Scribano, Y., additional, Selvestrel, D., additional, Serra, R., additional, Shengold, L., additional, Shuttleworth, A., additional, Smareglia, R., additional, Sohy, S., additional, Soldi, M., additional, Stanga, R., additional, Steinhausser, A., additional, Strafella, F., additional, Sylla Mbaye, S., additional, Smedley, A. R. D., additional, Tagger, M., additional, Tanga, P., additional, Taricco, C., additional, Teng, J. P., additional, Tercu, J. O., additional, Thizy, O., additional, Thomas, J. P., additional, Tombelli, M., additional, Trangosi, R., additional, Tregon, B., additional, Trivero, P., additional, Tukkers, A., additional, Turcu, V., additional, Umbriaco, G., additional, Unda-Sanzana, E., additional, Vairetti, R., additional, Valenzuela, M., additional, Valente, G., additional, Varennes, G., additional, Vauclair, S., additional, Vergne, J., additional, Verlinden, M., additional, Vidal-Alaiz, M., additional, Vieira-Martins, R., additional, Viel, A., additional, Vîntdevarǎ, D. C., additional, Vinogradoff, V., additional, Volpini, P., additional, Wendling, M., additional, Wilhelm, P., additional, Wohlgemuth, K., additional, Yanguas, P., additional, Zagarella, R., additional, and Zollo, A., additional
- Published
- 2020
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- View/download PDF
33. Pour un atlas linguistique collectif de la langue bretonne
- Author
-
Jean Le Dû
- Subjects
dialectology ,dialectological survey ,linguistic atlas ,Breton (language) ,geolinguistics ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
In the early 1970s, at the request of Mr Falc’hun, I agreed to take charge of the creation of a New linguistic atlas of Lower Brittany (NALBB). At the time, I was far from imagining the heaviness of the task, which required a full-time job. Apart from the time spent in the field, the most tedious part is the phonetic transcription of the results. As the first series of surveys is nearing completion, the rest of the work remains to be done. However, it is impossible for me to carry out this task alone for the same reasons I have just mentioned. The other reason is demographic: time is running out for the vernacular languages, which are disappearing with their speakers. I therefore call on those interested to collaborate in the project.
- Published
- 1991
- Full Text
- View/download PDF
34. Exploring ecosystem-change and society through a landscape lens: recent progress in European landscape research
- Author
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Tobias Plieninger, Thanasis Kizos, Claudia Bieling, Laurence Le Dû-Blayo, Marie-Alice Budniok, Matthias Bürgi, Carole L. Crumley, Geneviève Girod, Pip Howard, Jan Kolen, Tobias Kuemmerle, Grega Milcinski, Hannes Palang, Kathrin Trommler, and Peter H. Verburg
- Subjects
ecosystem services ,European Landscape Convention ,landscape governance ,landscape stewardship ,landscape values ,multiscale landscape modeling ,social-ecological systems ,Biology (General) ,QH301-705.5 ,Ecology ,QH540-549.5 - Abstract
Landscapes are closely linked to human well-being, but they are undergoing rapid and fundamental change. Understanding the societal transformation underlying these landscape changes, as well as the ecological and societal outcomes of landscape transformations across scales are prime areas for landscape research. We review and synthesize findings from six important areas of landscape research in Europe and discuss how these findings may advance the study of ecosystem change and society and its thematic key priorities. These six areas are: (1) linkages between people and the environment in landscapes, (2) landscape structure and land-use intensity, (3) long-term landscape history, (4) driving forces, processes, and actors of landscape change, (5) landscape values and meanings, and (6) landscape stewardship. We propose that these knowledge areas can contribute to the study of ecosystem change and society, considering nested multiscale dynamics of social-ecological systems; the stewardship of these systems and their ecosystem services; and the relationships between ecosystem services, human well-being, wealth, and poverty. Our synthesis highlights that knowledge about past and current landscape patterns, processes, and dynamics provides guidance for developing visions to support the sustainable stewardship of social-ecological systems under future conditions.
- Published
- 2015
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- View/download PDF
35. Higher-derivative supergravity in U(l) superspace
- Author
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Le Dû, Régis
- Published
- 1998
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36. A new low cost microbiotest with the freshwater ciliate protozoan Spirostomum ambiguum: Definition of culturing conditions
- Author
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Le Dû-Delepierrel, A., Persoone, G., and Grolière, C. A.
- Published
- 1996
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- View/download PDF
37. Y a-t-il une exception sociolinguistique française ?
- Author
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Jean Le Dû and Yves Le Berre
- Subjects
sociolinguistics ,French (language) ,parity/disparity ,linguistic practices11-26 ,is there a French sociolinguistic exception? (colloquium) ,Language. Linguistic theory. Comparative grammar ,P101-410 - Abstract
This text is the introduction to the conference "Is there a French sociolinguistic exception? In the first part, the authors recall the principles, notions and categories that allow us to identify and order the words that surround any speaker (idiom and institution, parity and disparity, badumes, standards and norm). Secondly, they analyse, with the help of these notions, the sociolinguistic evolution of France from the French Revolution to the mid-1990s.
- Published
- 1998
- Full Text
- View/download PDF
38. A Novel Portable Device For Gamma And Neutron Spectroscopy With Special Nuclear Material Identification.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Morichi, Massimo, Fanchini, Erica, and Mangiagalli, Giacomo
- Subjects
NEUTRON spectroscopy ,RADIOACTIVE substances ,INORGANIC scintillators ,SODIUM iodide ,LIQUID scintillators - Abstract
The development of new types of detectors and the increased performance of the electronics have paved the way for developing advanced systems for the measurement and identification of radioactive material that can be involved, for example, in illicit trafficking. Radioactive isotope identifiers are today commercially available. Nowadays those systems make use of inorganic scintillators as Sodium Iodide (NaI(Tl)) or, for enhanced resolution, Lanthanum Bromide (LaBr
3 ) to identify the gamma emitters through their characteristic gamma lines. The most complete systems usually include an additional 3He proportional counter for neutron detection and counting. The performances of such devices are compliant with standards as the IEC 62327 Hand Held Instruments for the Detection and Identification of Radionuclides. This paper presents a new type of portable radioactive isotope identifier. This device, based on an organic liquid scintillator with excellent Pulse Shape Discrimination (PSD) proprieties for the simultaneous detection of gamma rays and neutrons, detects radioactive source as Special Nuclear Material (SNM), medical, industrial and Naturally Occurring Radioactive Material. The exclusive feature of this instrument is the identification of neutron sources with discrimination between fission sources (like Californium252 Cf) and alpha-n type sources (like Americium Beryllium Am-Be) from Plutonium and Uranium through an innovative dedicated algorithm. Individual thresholds for neutron and gamma counts are calculated to allow detection with 95% detection probability for a dose rate on the front face of the scintillator of at least 50 nSv/h. Alarms are triggered separately when the respective rate exceed these thresholds. The neutron source detection has also been proved in a gamma ray field up to 100 μSv/h. The electronics is equipped with two analog inputs and two high voltage power supplies in a small form factor thus becoming an enabling technology for higher performance yet portable radioactive isotope identifier devices, which can include more detectors and perform data fusion analysis. The addition of a second detector allows to detect a masked neutron source through the PSD algorithm performed by the liquid scintillator detector while the added inorganic scintillator identifies the masking gamma emitters. The inorganic scintillator allows also the calculation of Pu and U enrichment grade through characteristic gamma emission line. [ABSTRACT FROM AUTHOR]- Published
- 2020
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39. A New Project dedicated to developing International MOBILity of APPrentices in the Master's Degree in Instrumentation, Measurement and Metrology (MOBIL-APP project).
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., and Le Dû, P.
- Subjects
STUDY & teaching of nuclear energy ,MASTER'S degree ,RESEARCH reactors ,LABORATORIES ,STUDENT attitudes - Abstract
The project concerns the outgoing international mobility of block-release apprentices preparing the Master's degree in Instrumentation, Measurement, Metrology of the Filière Instrumentation (Physics Department of the Science Faculty). It targets universities and research centers involved in nuclear energy and is based on ongoing partnerships with CFA Epure–Méditerranée (apprenticeship center), EDF, and CEA thanks to on a solid research background in the LIMMEX laboratory run jointly by CEA and AMU (IM2NP) and dedicated to Instrumentation and Measurements under EXtreme conditions, on the ANIMMA international conference and the EFMMIN Franco-Moroccan school. This has led to the development of a useful network of operators (partners involved in the project) in priority geographical areas for AMU's international strategy: Nuclear Reactor Laboratory at MIT, Moroccan Nuclear Center and Mohammed V University, Polish Nuclear Center, Slovenian Jožef Stefan Institute, Belgian Nuclear Center. The project will consist in sending a group of block-release apprentices for one week per year to a partner site who will propose visits to reactors, laboratories and companies, and participation in seminars, short courses, experimental projects and workshops together with local students. They will visit cultural places and prepare an activity report in English. When the project is completed its possible extension to other block-release courses at AMU will be examined because international mobility is a real advantage in terms of employability for young-people. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
40. E-SiCure Collaboration Project: Silicon Carbide Material Studies and Detector Prototype Testing at the JSI TRIGA Reactor.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Radulović, Vladimir, Ambrožič, Klemen, Snoj, Luka, Capan, Ivana, Brodar, Tomislav, Ereš, Zoran, Pastuović, Željko, Sarbutt, Adam, Ohshima, Takeshi, Yamazaki, Yuichi, and Coutinho, José
- Subjects
SILICON carbide ,RADIOACTIVE substances ,HARBOR security ,SCHOTTKY barrier diodes ,NEUTRON counters - Abstract
In 2016, the "E-SiCure" project (standing for Engineering Silicon Carbide for Border and Port Security), funded by the NATO Science for Peace and Security Programme, was launched. The main objective is to combine theoretical, experimental and applied research towards the development of radiation-hard SiC-based detectors of special nuclear materials (SNM), and by that way, to enhance border and port security barriers. Along the plan, material modification processes are employed firstly to study, and secondly to manipulate the most severe electrically active defects (which trap or annihilate free charge carriers), by specific ion implantation and defect engineering. This paper gives an overview of the experimental activities performed at the JSI TRIGA reactor in the framework of the E-SiCure project. Initial activities were aimed at obtaining information on the radiation hardness of SiC and at the study of the energy levels of the defects induced by neutron irradiation. Several Schottky barrier diodes were fabricated out of nitrogen-doped epitaxial grown 4H-SiC, and irradiated under Cd filters in the PT irradiation channel in the JSI TRIGA reactor with varying neutron fluence levels. Neutron-induced defects in the material were studied using temperature dependent current-voltage (I-V), capacitance-voltage (C-V) and Deep-Level Transient Spectroscopy (DLTS) measurements. Our prototype neutron detectors are configured as 4H-SiC-based Schottky barrier diodes for detection of secondary charged particles (tritons, alphas and lithium atoms) which are result of thermal neutron conversion process in
10 B and6 LiF layers above the surface of the 4H-SiC diodes. For field testing of neutron detectors using a broad beam of reactor neutrons we designed a standalone prototype detection system consisting of a preamplifier, shaping amplifier and a multichannel analyser operated by a laptop computer. The reverse bias for the detector diode and the power to electronic system are provided by a standalone battery-powered voltage source. The detector functionality was established through measurements using an241 Am alpha particle source. Two dedicated experimental campaigns were performed at the JSI TRIGA reactor. The registered pulse height spectra from the detectors, using both10 B and6 LiF neutron converting layers, clearly demonstrated the neutron detection abilities of the SiC detector prototypes. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
41. Practical Demonstrations – Key to Efficient Explanations of Radioactivity to Pupils and Students.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Koželj, Matjaž, Slapar Borišek, Vesna, and Istenič, Radko
- Subjects
RADIATION damage ,RADIOACTIVITY ,RADIATION doses ,INFORMATION retrieval - Abstract
The radioactivity workshop and hands-on demonstrations in Milan Čopič Nuclear Training Centre enable us to effectively transfer some basic information about radioactivity, radiation and radiation effects to our young visitors. This activity has been well accepted and praised by teachers, who are aware of the subject importance for education. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
42. COSICAF, a fission chamber simulation tool for academic purposes.
- Author
-
Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., de Izarra, G., Lamotte, M., Bréaud, S., Pépino, A., Filliatre, P., and Jammes, C.
- Subjects
FISSION counters ,MONTE Carlo method ,IONIZATION chambers ,COMPUTER simulation - Abstract
Since a few years, simulation codes were built at CEA Cadarache to predict the signal of ionisation chambers and taylor detectors for specific applications. It is proposed here to present COSICAF, a tool developed for mainly academic purpose and rapid fission chamber prototyping. This numerical simulation, mostly based on semi-empirical models and Monte-Carlo method will help students to understand how ionisation chambers work. Through the paper, models and their numerical implementation will be discussed. A focus is made on recently implemented features like charge multiplication and correlated source which make the simulation of proportional counter possible. To demonstrate the interest of the code, simulations of a planar fission chamber is proposed. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
43. MAPSSIC, a communicating MAPS-based intracerebral positrons probe for deep brain imaging in awake and freely-moving rats.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Gensolen, F., Ammour, L., Bautista, M., Heymes, J., Fieux, S., Kachel, M., Lefebvre, F., Pangaud, P., Pinot, L., Lanièce, P., Baudot, J., and Gisquet, P.
- Subjects
BRAIN imaging ,RADIONUCLIDE imaging ,CMOS image sensors ,ANIMAL behavior ,MONTE Carlo method ,POSITRON emission tomography - Abstract
Radioisotope imaging is a powerful tool to understand the biological mechanisms in-vivo, especially in the brain of small animals, providing a significant model to study the human brain. In this context, we have developed and built a pixelated intracerebral positron probe to be embedded on awake and freely moving small animals, typically rats. This pixelated probe will represent a key instrument for neuroscientists to study neural mechanisms and correlate them to behavioral experiments. We describe in this paper the simulations carried out to design the intracerebral sensor, its architecture, and the detection of positrons in a volume with a couple of sensors assembled back-to-back. We also depict the architecture of the wireless acquisition system. Finally, we present the first measurements performed in real-time by this miniaturized probe with sealed radioactive sources and a
18 F solution. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
44. Producing Useful Chemicals Using a Nuclear Reactor.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Plant, Arran George, Najdanovic-Visak, Vesna, Joyce, Malcolm J., Snoj, Luka, and Jazbec, Anže
- Subjects
CHEMICALS ,NUCLEAR reactors ,ETHYLENE glycol ,BOROSILICATES ,GAS chromatography/Mass spectrometry (GC-MS) - Abstract
In this paper, the irradiation of glycerol and ethylene glycol by either mixed (neutron-γ) or γ-only (γ) fields at the TRIGA reactor of the Jožef Stefan Institute is described. This is highly relevant to future applications of fission reactor systems to produce useful feedstock derivatives from organic waste, beyond the production of heat and power. Samples of glycerol and ethyl glycol have been exposed to neutron-gamma radiation with fast neutron fluxes ranging from 7.7×10
10 to 3×1012 cm−2 s−1 and gamma-only irradiation at maximum dose-rates of 492 and 10 kGy hr−1 , respectively. A study of the dependence of product yield versus absorbed dose has been conducted, for total dose ranges of 1 to 100 kGy. The products of these exposures have been identified through Gas Chromatography – Mass Spectrometry (GC-MS) techniques. Analysis comparing neutron-gamma irradiated samples of ethylene glycol and glycerol with gamma-irradiated samples shows no detectable qualitative difference between either irradiation type. Although, additional radiolysis products were detected when compared with available literature; ethyl acetate from ethylene glycol and solketal from glycerol. Quantitatively, neutron-gamma irradiation seems to be less effective at producing acetaldehyde from ethylene glycol, compared with gamma-only which can be explained through neutron moderation and consequent heating effects due to the borosilicate vials. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
45. Application of CdZnTe Quasi-Hemispherical Detectors in Strong Gamma-Radiation Fields.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Loutchanski, Anatoli, Fjodorovs, Viktors, Ivanov, Victor, and Ogorodniks, Vadims
- Subjects
GAMMA rays ,SPECTRUM analysis ,SEMICONDUCTOR nuclear counters ,SEMICONDUCTOR detectors ,WAVELENGTHS - Abstract
The results of a study of some ways to improve spectroscopy characteristics of the CdZnTe quasi-hemispherical detectors when working in high gamma radiation fluxes are presented. It was shown that the use of IR illumination with a wavelength of 1050 nm or 1200 nm or at slight warm-up of the detector to +30°C ... +40°C can significantly improve spectroscopy performance of the CdZnTe detectors of size 3.5 mm × 3.5 mm × 1.75 mm when operating in a tested gamma-radiation field with a dose rate up to 590 mGy/h. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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- View/download PDF
46. Unmanned Radiation Monitoring System.
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Lüley, Jakub, Vrban, Branislav, Čerba, Štefan, Osuský, Filip, and Nečas, Vladimír
- Subjects
FUKUSHIMA Nuclear Accident, Fukushima, Japan, 2011 ,RADIATION doses ,RADIATION dosimetry ,IONIZING radiation ,CALIBRATION - Abstract
The absence of online radiation monitoring systems has been observed in the case of Fukushima nuclear accident. As the tsunami destroyed 23 of the 24 status monitoring points, almost no relevant radiation dose measurements data were available. A rapid deployment of a mobile radiological unit that can quickly determine the activity and direction of the radioactive cloud spread on the ground or in the air can prevent unnecessary deaths and related financial losses. Although the design of the current generation of NPPs incorporates features that minimize the risk of large radioactive releases outside the reactor, it is still important to focus on the development of systems that can mitigate the consequences of such events. In situations when the level of radiation does not permit the personal to perform the required measurements, online unmanned radiation monitoring systems may come to the play. For such a purpose the RMS-00x radiation monitoring system could be used, which is a modular system covering the functionality of dose rate measurement, air sampling and radiation map creation without requiring the human personnel to be present at the measurement site. The main purpose of the RMS-00x radiation monitoring system is the rapid deployment of unmanned monitoring devices to reduce the radiation burden on workers and on public. The system can be applied in the vicinity of a nuclear power plant (NPP) or at any location, where source of ionizing radiation could be present. Before this system is used in real conditions, its components must be thoroughly calibrated, based on certified measurement equipment and state-of-art simulation tools. This paper deals with the description of the RMS-00X sensor modules and demonstrates their functionality in combination with UAV. In addition, demonstration of the use of the developed technology was carried out as part of the regular emergency planning and preparedness of EBO NPP on 26th October 2017. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
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47. The Potential of Photon Activation and Neutron Activation Techniques for Fast Soil Characterization.
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Sari, Adrien, Garti, Sara, Lainé, Frédéric, Carrel, Frédérick, Dumazert, Jonathan, Makil, Hamid, Dufour, Nicolas, Mougel, Caroline, Masset, Adeline, Mondon, Lucile, Boutillon, Laurent, and Lejeune, Jean-Pierre
- Subjects
NUCLEAR activation analysis ,SOIL testing ,ELECTRON accelerators ,POLYETHYLENE ,PHOTONS - Abstract
In the frame of a partnership between CEA and VINCI, various measurement techniques are applied to soil analysis and tested in different laboratories located at CEA Saclay (France). This paper deals with two nuclear measurement techniques assessed in this project. More specifically, this paper presents the feasibility study carried out for two non-destructive active methods: photon activation and neutron activation. First, some atomic nuclides are activated either by photons or neutrons. Secondly, gamma-rays of specific energies are emitted by activated nuclides and gamma-ray spectrometry enables to identify these activated nuclides. Calibration of the full measurement system with reference samples would enable to quantify the mass of activated nuclides. Irradiations performed for photon activation measurements were conducted using a linear electron accelerator (linac) as the latter enables to generate high-energy photons by Bremsstrahlung thanks to its conversion target. Furthermore, irradiations performed for neutron activation measurements were also conducted with a linac. Indeed, photons may be converted to neutrons by photonuclear reactions using a secondary target. In the frame of this project, experiments were carried out at the SAPHIR platform (CEA Saclay) with a Linatron-M9 VARIAN linac. The electron energy was either 6 or 9 MeV. For neutron activation measurements, a secondary target made of heavy water has been used as neutron source and a polyethylene cell enabled to thermalize neutrons and increase the number of reactions of interest. In this paper, we present the different experimental setups and the measurement protocols established for this feasibility study. We show experimental results obtained with raw material samples coming from three construction sites. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
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48. Comparative Evaluation of Three Wireless Sensor Network Transceivers in a High Radiation Environment.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Huang, Q., Jiang, J., and Deng, Y. Q.
- Subjects
WIRELESS sensor networks ,RADIO transmitter-receivers ,ZIGBEE ,RADIATION - Abstract
This paper presents on the results of radiation studies for three commonly used wireless sensor nodes based on the following protocols: ZigBee, WirelessHART, ISA 100.11a, and network devices built with commercial off-the-shelf (COTS) components. The level of radiation considered is at par with that experienced at Fukushima Daiichi Nuclear Power Plant after the accident. An experimental setup is developed to monitor behaviors of each wireless device and network real-time under the
60 Co gamma radiator at The Ohio State University Nuclear Reactor Lab (OSU-NRL). The experimental results have indicated that the performance of the communication channels and wireless signal parameters do not degrade significant under such radiation. However, all the tested devices and networks can only survive for several hours under the high dose rate condition (20 K Rad/h). The results of these experimental studies have provided useful references to those who design and manufacture COTS-based wireless monitoring systems for use in high level radiation environments. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
49. Tests under irradiation of optical fibers and cables devoted to corium monitoring in case of severe accident in a Nuclear Power Plant.
- Author
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Cheymol, G., Maurin, L., Remy, L., Arounassalame, V., Maskrot, H., Rougeault, S., Dauvois, V., Le Tutour, P., Huot, N., Ouerdane, Y., and Ferdinand, P.
- Subjects
OPTICAL fibers ,IRRADIATION ,NUCLEAR power plant accidents ,OPTICAL fiber detectors ,RADIOLYSIS - Abstract
The DISCOMS project, which stands for "DIstributed Sensing for COrium Monitoring and Safety", considers the potential of distributed sensing technologies, based on remote instrumentations and Optical Fiber Sensing cables embedded into the concrete floor under the reactor vessel, to monitor the status of this third barrier of confinement. This paper focuses on the selection and testing of singlemode (SM) optical fibers with limited RIA (Radiation Induced Attenuation) to be compliant with remote distributed instruments optical budgets, the ionizing radiation doses to sustain, and their reduction provided by the concrete basemat shielding. The tests aimed at exposing these fibers and the corresponding sensitive optical cables, to the irradiation doses expected during the normal operation of the reactor (up to 60 years for the European Pressurized Reactor), followed by a severe accident. Several gamma and mixed (neutron-gamma) irradiations were performed at CEA Saclay facilities: POSÉÏDON irradiator and ISIS reactor, up to a gamma cumulated dose of about 2 MGy and fast neutron fluence (E > 1 MeV) of 6 x 10
15 n/cm2 . The first gamma test permitted to assess the RIA at various optical wavelengths, and to select three radiation tolerant singlemode fibers (RIA < 5 dB/100 m, at 1550 nm operating wavelength). The second one was performed on voluminous strands of sensitive cables encapsulating the selected optical fibers, up to approximately the same accumulated dose, at two temperatures: 30°C and 80°C. A significant increase of the RIA, without any saturation tendency, appeared for fibers inserted into cables, correlated with the increase of the hydroxyl attenuation peak at 1380 nm. Molecular hydrogen generated by the radiolysis of compounds of the cable is at the origin of this phenomenon. A third gamma irradiation run permitted to measure the radiolytic hydrogen production yield of some compounds of a dedicated temperature cable sample. The efficiency of a carbon coating layer over the silica cladding, acting as a barrier against hydrogen diffusion, was also successfully confirmed. Finally, the efficiency of this carbon coating layer has also been tested under neutron irradiation, then qualified as a protection barrier against hydrogen diffusion in the optical fiber cores. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
50. Study of online measurements techniques of metallic phase spatial distribution into a corium pool.
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Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Tisseur, D., Cavaro, M., Rey, F., Paumel, K., Chikhi, N., Delacroix, J., Fouquart, P., Le Tellier, R., and Bouyer, V.
- Subjects
LIQUID phase epitaxy ,ULTRASONIC testing ,ELECTROMAGNETIC testing ,X-ray imaging ,HYDRODYNAMICS - Abstract
In the context of in-vessel retention (IVR) strategy in order to better assess the risk of reactor vessel failure, the knowledge related to the kinetics of immiscible liquid phases stratification phenomenon needs to be further improved. So far, only one medium-scale experiment (MASCA-RCW, in the frame of the OECD MASCA program) gives direct information regarding the transient relocation of metal below the oxide phase through post-mortem measurements. No experimental characterization of the stratification inversion kinetics when heavy metal becomes lighter and relocates at the top exists. Further investigation of these hydrodynamic and thermochemical processes could be made possible thanks to on line instrumentation enabling to follow displacement of oxidic and metallic phases into the corium pool. At CEA Cadarache, studies are under progress to set up innovative technologies for corium stratification monitoring which would be integrated to a cold crucible induction melting furnace. Based on space and time resolution specifications, three on-line measurements techniques were selected and studied. The first one is an ultrasonic technique using a refractory material waveguide and based on a time-of-flight measurement. We present the feasibility approach with the preliminary results obtained during experiments at high temperature on VITI facility. The second method consists in electromagnetic characterization of the corium pool thanks to an excitation by a magnetic field induced by surroundings coils and measurement of magnetic response by sensors placed around the crucible. A modelling study has enabled to define an appropriate experimental configuration. An experimental set up has also been tested to verify the calculation results. The third technique is 2D X-rays imaging. A feasibility study for a real-time X-ray imagingwith a framerate of 1 image/s has been performed using home-made simulation software MODHERATO, accounting forscattering, based on corium behavior previsions. Results on thedetection of interfaces between different type of corium phases(oxide, light metal, heavy metal) are shown. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
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