Academic literature on the topic 'Retenue gaz'
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Journal articles on the topic "Retenue gaz"
Richard, S., A. Grégoire, and P. Gosse. "Efficacité d'un seuil artificiel sur l'oxygénation de l'eau et l'élimination de CH4 contenu dans l'eau évacuée par la barrage hydroélectrique de Petit Saut (Guyane française)." Revue des sciences de l'eau 18 (April 12, 2005): 127–41. http://dx.doi.org/10.7202/705580ar.
Full textGaly-Lacaux, C., R. Delmas, J. F. Dumestre, and Sandrine Richard. "Evolution temporelle des émissions gazeuses et des profils de gaz dissous Estimation du bilan de carbone de la retenue de Petit-Saut deux ans après sa mise en eau." Hydroécologie Appliquée 9 (1997): 85–114. http://dx.doi.org/10.1051/hydro:1997004.
Full textRuntuboi, Sefnat Sopater, Maria Ludya Pulung, and Evelina Somar. "ANALISIS KADAR BIOETANOL HASIL FERMENTASI DARI NIRA NIPAH (Nypa fruticans wurmb) ASAL PAPUA." Jurnal Natural 15, no. 2 (October 1, 2019): 60–66. http://dx.doi.org/10.30862/jn.v15i2.127.
Full textMulder, M. D., A. Heil, P. Kukučka, J. Klánová, J. Kuta, R. Prokeš, F. Sprovieri, and G. Lammel. "Air–sea exchange and gas–particle partitioning of polycyclic aromatic hydrocarbons in the Mediterranean." Atmospheric Chemistry and Physics 14, no. 17 (September 1, 2014): 8905–15. http://dx.doi.org/10.5194/acp-14-8905-2014.
Full textRahayu, Yunita Suci, Yayuk Astuti, and Eko Fery Prasetya. "Identifikasi Ekstasi/MDMA Menggunakan Analisis Tes Warna dan Gas Chromatography-Mass Spectrometry (GCMS)." Jurnal Sains dan Edukasi Sains 3, no. 2 (October 14, 2020): 38–45. http://dx.doi.org/10.24246/juses.v3i2p38-45.
Full textAzmiyawati, Choiril, Priatmoko Priatmoko, and Retno Dwi Soelistyowati. "Pembentukan Senyawa 2-Bromo-1-(3,4-dimetoksifenil) propanoI-1 dalam Dimetilsulfoksida." Jurnal Kimia Sains dan Aplikasi 2, no. 2 (May 31, 1999): 61–66. http://dx.doi.org/10.14710/jksa.2.2.61-66.
Full textBasuki, Purwanto. "Pengaruh Starter dan Waktu Retensi terhadap Produksi Gas Methan dari Limbah Sapi Peranakan Ongole." Buletin Peternakan 18, no. 4 (April 11, 2013): 143. http://dx.doi.org/10.21059/buletinpeternak.v18i4.1726.
Full textAngers, Annie, Philip Ouimet, Assia Tsyvian-Dzyabko, Tanya Nock, and Sophie Breton. "L’ADN mitochondrial, un potentiel codant mésestimé." médecine/sciences 35, no. 1 (January 2019): 46–54. http://dx.doi.org/10.1051/medsci/2018308.
Full textSouza, Ellen Karoline de, Livia Barbosa Aguiar, Carolina Karla de Souza Evangelista, Aryelly Dayane da Silva Nunes, Kaio Ramon de Aguiar Lima, Dyego Leandro Bezerra de Souza, and Sheila Andreoli Balen. "Reprodutibilidade de testes de resolução temporal em adultos." Distúrbios da Comunicação 31, no. 2 (July 24, 2019): 308–16. http://dx.doi.org/10.23925/2176-2724.2019v31i2p308-316.
Full textPontoh, Julius, and Nancy T. N. Buyung. "ANALISA ASAM LEMAK DALAM MINYAK KELAPA MURNI (VCO) DENGAN DUA PERALATAN KROMATOGRAFI GAS." JURNAL ILMIAH SAINS 15, no. 1 (October 31, 2011): 274. http://dx.doi.org/10.35799/jis.11.2.2011.219.
Full textDissertations / Theses on the topic "Retenue gaz"
Guérin, Frédéric. "ÉMISSION DE GAZ A EFFET DE SERRE (CO2, CH4) PAR UNE RETENUE DE BARRAGE HYDROÉLECTRIQUE EN ZONE TROPICALE (PETIT-SAUT, GUYANE FRANÇAISE) :EXPÉRIMENTATION ET MODÉLISATION." Phd thesis, Université Paul Sabatier - Toulouse III, 2006. http://tel.archives-ouvertes.fr/tel-00079947.
Full textSur 10 ans, les émissions atmosphériques se sont avérées très significatives, notamment les trois premières années ayant suivies la mise en eau, puis décroissent au cours du temps. Tandis que 50% des émissions de CO2 ont lieu à la surface du lac, les émissions de CH4 sont principalement localisées en aval des turbines.
Les émissions atmosphériques résultent de la dégradation de la MO (sol et biomasse issus de la forêt tropicale) immergée lors de la mise en eau et leur diminution au cours du temps découle de l'épuisement du stock de MO. Au terme de 10 ans, 20% du stock de carbone a été minéralisé et émis vers l'atmosphère sous forme de CO2 et de CH4. L'oxydation aérobie du CH4 transforme plus de 95% du CH4 diffusant depuis l'hypolimnion en CO2 dans la colonne d'eau du lac et 40% du CH4 entrant dans la rivière à l'aval. A l'échelle du barrage ce processus est responsable de l'oxydation de 90% du CH4 produit et de 30% des émissions totales de CO2. Le CH4 et le CO2 qui atteignent les eaux de surface du barrage sont émis vers l'atmosphère par flux diffusifs. L'étude de ce processus de transfert gazeux à l'interface air-eau montre que, en milieu tropical, les flux diffusifs sont accélérés par les fortes températures et les phénomènes pluvieux.
Le modèle est basé sur le modèle hydrodynamique SYMPHONIE 2D et les modules biogéochimiques développés dans le cadre de cette étude à partir des données cinétiques des processus étudiés. Les profils verticaux simulés de température, d'oxygène, de CO2 et de CH4 sont bien reproduits. Ce modèle pose les bases d'un outil opérationnel de modélisation pour la retenue de Petit Saut ainsi que pour d'autres réservoirs en milieu tropical.
Guérin, Frédéric. "Emission de gaz à effet de serre (CO2,CH4) par une retenue de barrage hydroélectrique en zone tropicale (Petit-saut, Guyane française) : expérimentation et modélisation." Toulouse 3, 2006. https://tel.archives-ouvertes.fr/tel-00079947.
Full textThe emissions of carbon dioxide (CO2) and methane (CH4) and the carbon cycle in the Petit-Saut reservoir and in the Sinnamary River (French Guiana) were studied with an aim of developing a coupled physical/biogeochemical model. The development of this model required the study of three processes controlling these emissions: (i) CO2 and CH4 production during the mineralization in anoxic condition of organic matter (OM) from soils and plants, (ii) aerobic CH4 oxidation in the water column of the lake and (iii) the processes involved in gas exchange at the air-water interface. Over 10 years, atmospheric emissions were shown to be very significant, in particular the first three years having followed the reservoir impoundment and then decreased with time. While 50% of the CO2 emissions take place at the surface of the lake, the emissions of CH4 are mainly localized downstream from the turbines. The atmospheric emissions result from the degradation of OM (soil and biomass originating from the tropical forest) flooded during impoundment and their reduction with time rises from the exhaustion of the OM stock. 10 years after impoundement, 20% of the carbon stock were mineralized and emitted to the atmosphere in the form of CO2 and of CH4. Aerobic CH4 oxidation transforms more than 95% of the CH4 diffusing upward from the hypolimnion into CO2 in the water column of the lake and 40% of the CH4 entering the river downstream of the dam. In the whole Petit Saut system, this process is responsible for the oxidation of 90% of the produced CH4 and 30% of the total CO2 emissions. The CH4 and CO2 which reach the water surface of the reservoir and of the river downstream of the dam are emitted to the atmosphere by diffusive flux. The study of this process of gas transfer to the interface air-water shows that, in tropical environment, diffusive fluxes are enhanced by the elevated temperatures and the rainy phenomena. The model is based on the hydrodynamic model SYMPHONY 2D and the biogeochemical model developed during this study starting from the kinetic data of the studied processes. The simulated vertical profiles of temperature, oxygen, CO2 and CH4 are well reproduced. This model poses the bases of an operational tool of modeling for the Petit-Saut reservoir like for other reservoirs in tropical environments
Barrios, Evelyn. "Hydrodynamique des reacteurs a lit fixe avec ecoulement en co-courant ascendant de gaz et de liquide." Paris 6, 1987. http://www.theses.fr/1987PA066066.
Full textAnastassiades, Evanguelos. "Étude du fonctionnement de mobiles auto-aspirants dans les réacteurs agités gaz-liquide." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL126N.
Full textMedeiros, de Lima Filho Nelson. "Hydrogénolyse catalytique d'amidon de maïs en réacteur gaz-liquide-solide mécaniquement agité." Vandoeuvre-les-Nancy, INPL, 1996. http://www.theses.fr/1996INPL042N.
Full textKhalfet, Ridha. "Étude d'une colonne à bulles à solide suspendu destinée à la biolixiviation de matières premières minérales : application à la biolixiviation de minerai de pyrite." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL127N.
Full textDhaouadi, Hatem. "Étude d'un réacteur à gazosiphon à recirculation externe." Vandoeuvre-les-Nancy, INPL, 1997. http://www.theses.fr/1997INPL030N.
Full textDUMESTRE, JEAN-FRANCOIS. "Ecologie microbienne de la retenue hydroelectrique de petit saut (guyane). Mise en place de communautes bacteriennes oxydantes - consequences sur les emissions de gaz polluants et sur la desoxygenation de l'eau, dans le lac et dans le fleuve en aval." Toulouse 3, 1998. http://www.theses.fr/1998TOU30158.
Full textBarreto, C?sio Carlos Pereira. "Atra??o e reten??o de talentos em empresas de engenharia consultiva no setor de petr?leo e g?s natural da cidade de Natal." Universidade Federal do Rio Grande do Norte, 2008. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12101.
Full textThis study addresses the question of attraction and retention of talent in companies that produce engineering projects in the area of oil and natural gas in the city of Natal. The objectives were to identify the mechanisms that these companies use to attract and retain talented professionals and what the relationship between these practices and performance of these organizations in the market. This is a case study of a qualitative nature which were included in the fullness of companies that work in that class in the capital Potiguar. Have been applied to the managers of these companies structured questionnaires with eleven issues orientativas based on theoretical reference adopted. The research finds that managers understand the word "talent", recognize the importance of the appreciation of its employees and the development of their innate abilities to better organizational performance, much due to the fact they are acting in a market of fierce competition. His companies - though not submit the formal procedures related to the subject in question - have mechanisms that can be characterized as the attraction and retention of talent. The relationships identified in this study are consistent with the results found in other studies and put the information here can serve as the basis for that other managers, including other areas, to reach excellence in their respective industries
O presente estudo aborda a quest?o da atra??o e reten??o de talentos nas empresas que elaboram projetos de engenharia na ?rea de petr?leo e g?s natural na cidade do Natal. Os objetivos foram identificar os mecanismos que essas empresas utilizam para atrair e reter profissionais talentosos e quais as rela??es existentes entre essas pr?ticas e o desempenho das referidas organiza??es no mercado. Trata-se de um estudo de caso de natureza qualitativa no qual foram inclu?das a plenitude das empresas que atuam nesse ramo na capital potiguar. Foram aplicados aos gerentes dessas empresas question?rios estruturados com onze quest?es orientativas fundamentadas no referencial te?rico adotado. A pesquisa constata que os gestores compreendem o termo talento , reconhecem a import?ncia da valoriza??o de seus funcion?rios e do desenvolvimento de suas habilidades inatas para um melhor desempenho organizacional, muito devido ao fato de estarem atuando em um mercado de acirrada competi??o. Suas empresas apesar de n?o apresentarem processos formais relacionados ao tema em quest?o apresentam mecanismos que podem ser caracterizados como de atra??o e reten??o de talentos. As rela??es identificadas neste estudo s?o consistentes com os resultados encontrados em outros trabalhos e as informa??es aqui postas podem servir de base para que demais gestores, inclusive de outras ?reas, consigam atingir a excel?ncia em seus respectivos setores
Vilhelmová, Marie. "Zdravotně technické a plynovodní instalace v obytné budově." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227295.
Full textBooks on the topic "Retenue gaz"
Idroes, Rinaldi, Rivansyah Suhendra, Muslim Muslim, Mahmudi Mahmudi, and Ghazi Mauer Idroes. Kromatografi Gas Waktu Mati dan Indeks Retensi Kovats. Syiah Kuala University Press, 2018. http://dx.doi.org/10.52574/syiahkualauniversitypress.315.
Full textBook chapters on the topic "Retenue gaz"
KÁSSIA BARROS, FERREIRA, MANTOVANI CIBELE, SOUZA ANTONIO MARICÉLIO BORGES DE, BATISTA JOÃO ELIÉZER DE SOUZA, and PIVETTA KATHIA FERNANDES LOPES. "UNICONAZOLE NO CRESCIMENTO IN VITRO DE ORQUÍDEAS EPÍFITAS." In PERSPECTIVAS DAS CIÊNCIAS AGRÁRIAS NA SOCIEDADE 5.0: EDUCAÇÃO, CIÊNCIA, TECNOLOGIA E AMOR, 177–82. Instituto Internacional Despertando Vocações, 2020. http://dx.doi.org/10.31692/978-65-88970-07-2.177-182.
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