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Artykuły w czasopismach na temat "Analyse de dégradation"
AHONONGA, Fiacre Codjo, Gérard Nounagnon GOUWAKINNOU, Samadori Sorotori Honoré BIAOU i Séverin BIAOU. "Facteurs socio-économiques expliquant la déforestation et la dégradation des écosystèmes dans les domaines soudanien et soudano-guinéen du Bénin". Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie 10, nr 2 (31.12.2020): 43–60. http://dx.doi.org/10.56109/aup-sna.v10i2.36.
Pełny tekst źródłaKPEDENOU, Koffi Djagnikpo, i Zakariyao KOUMOI. "Cartographie et analyse spatiale de la dégradation des terres dans le sud-est du Togo : une approche basée sur la télédétection". Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie 9, nr 1 (30.06.2019): 67–78. http://dx.doi.org/10.56109/aup-sna.v9i1.64.
Pełny tekst źródłaCourvoisier, Emilie, Yoann Bicaba i Xavier Colin. "Analyse de la dégradation thermique du Poly(éther imide)". Matériaux & Techniques 105, nr 4 (2017): 402. http://dx.doi.org/10.1051/mattech/2018006.
Pełny tekst źródłaCourvoisier, Emilie, Yoann Bicaba i Xavier Colin. "Analyse de la dégradation thermique du Poly(éther éther cétone)". Matériaux & Techniques 105, nr 4 (2017): 403. http://dx.doi.org/10.1051/mattech/2018007.
Pełny tekst źródłaIlboudo, Adama, Soungalo Soulama, Edmond Hien i Prosper Zombre. "Perceptions paysannes de la dégradation des ressources naturelles des bas-fonds en zone soudano-sahélienne: cas du sous bassin versant du Nakanbé-Dem au Burkina Faso". International Journal of Biological and Chemical Sciences 14, nr 3 (19.06.2020): 883–95. http://dx.doi.org/10.4314/ijbcs.v14i3.19.
Pełny tekst źródłaGilarowski, Jerzy. "Analyse des facteurs de dégradation de la forêt humide équatoriale de Nyungwe". Miscellanea Geographica 9, nr 1 (1.03.2000): 231–36. http://dx.doi.org/10.2478/mgrsd-2000-090127.
Pełny tekst źródłaLatreille, Thierry, i Aristomène Varoudakis. "Les facteurs structurels de la compétitivité manufacturière. Une analyse en données de panel pour le Sénégal." Revue économique 48, nr 3 (1.05.1997): 471–80. http://dx.doi.org/10.3917/reco.p1997.48n3.0471.
Pełny tekst źródłaSOLLY, Boubacar, El Hadji Balla DIEYE, Oumar SY, Aruna M. JARJU i SANE Tidiane. "Détection des zones de dégradation et de régénération de la couverture végétale dans le sud du Sénégal à travers l'analyse des tendances de séries temporelles MODIS NDVI et des changements d'occupation des sols à partir d'images LANDSAT". Revue Française de Photogrammétrie et de Télédétection 223 (24.03.2021): 1–15. http://dx.doi.org/10.52638/rfpt.2021.580.
Pełny tekst źródłaMONTFORT, Frédérique. "Dynamiques des paysages forestiers au Mozambique : étude de l’écologie du Miombo pour contribuer aux stratégies de restauration des terres dégradées". BOIS & FORETS DES TROPIQUES 357 (1.10.2023): 105–6. http://dx.doi.org/10.19182/bft2023.357.a37281.
Pełny tekst źródłaBenjablah, Meriem Seghiri. "Etude et Analyse des facteurs anthropiques dans la dégradation du patrimoine funéraire en Afrique du Nord". مجلة التمكين الاجتماعي 1, nr 4 (15.12.2019): 392–407. http://dx.doi.org/10.34118/sej.v1i4.843.
Pełny tekst źródłaRozprawy doktorskie na temat "Analyse de dégradation"
Sangely, Matthieu. "Dégradation biologique des polychlorobiphényles". Thesis, Toulouse, INPT, 2010. http://www.theses.fr/2010INPT0094/document.
Pełny tekst źródłaSoil is a complex interface between all compartments of the environment. Their pollution contributes to the spread of many pollutants. PCBs are persistent toxic compounds in the environment. Widely used especially in dielectric oils, they now contaminate many industrial floors. Heat treatment of these soils is very expensive and can cause the emission of dioxins. The objective of this work is to study a biological treatment process for the degradation of PCBs in soils. Biological degradation of PCBs has been observed in the presence of two cultured organisms, Burkholderia xenovorans and Phanerochaete chrysosporium, confirming their technological potential under aerobic conditions. Under anaerobic conditions, a microbial community with the ability to degrade PCBs was developed. A study of the diversity of 16S rDNA gene within this community has identified the species in this community. An analysis of life cycle assess the environmental performance of two methods for treating soils contaminated with PCBs, one thermal and one biological. This analysis quantifies the environmental benefit of the biological process compared with the heat treatment
Boutin, Olivier. "Analyse des processus primaires de dégradation thermochimique de la biomasse". Vandoeuvre-les-Nancy, INPL, 1999. http://docnum.univ-lorraine.fr/public/INPL_T_1999_BOUTIN_O.pdf.
Pełny tekst źródłaThe primary processes of thermal degradation of biomass are studied. A bibliographical research reveals the knowledge and the deficiencies on this subject. Fast pyrolysis of cellulose pellets are carried out in an image furnace and in a solar fumace. These original experimental deviees using a concentrated radiation deliver high and clean flux densities during controled irradiance times. Ali the products of the reaction are collected and analysed by liquid and gas phase chomatography. Mass and C, H and O balances are very good. The evolution of the products composition (liquid, volatile, gas and char) are examined as a function of the irradiance time and flux density. An intermediate liquid (at the reaction temperatures) species is observed. It is directly produced from cellulose partial depolymerisation. It mainly contains anhydrooligosacharides with degrees of polymerisation ranging from two to seven. The condensable products contain few compounds, unlike the bio ails usually obtained in fast pyrolysis. Gases are formed by secondary crakings of the vapors. Lt is possible to obtain only liquids and gases beyond a given flux density. The modeling of heat transfers (pellets and small particules) associated with the kinetics of decomposition is made. Ln most of the cases the agreement between theory and experiments is very good. The comparison between the results of this work and those usually obtained in classical fast pyrolysis is examined on the basis of the elementary processes of heat transfers
Contreras-Dominguez, Monica. "Dégradation de tanins condensés par des champignons filamenteux : analyse structurelle et enzymatique". Aix-Marseille 1, 2007. http://www.theses.fr/2007AIX11035.
Pełny tekst źródłaGousseau, William. "Pronostic de dégradation d'endommagements de roulements sur application aéronautique par analyse vibratoire". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI063.
Pełny tekst źródłaAs part of preventive maintenance of its engines, Safran Aircraft Engines wishes to complete its diagnostic operations with a reliable prognosis of the residual life of the bearings. Following an attack, there is currently a great deal of uncertainty about the remaining life before bearing failure from the threshold of vibrational observability of the damage. Current algorithms diagnose an approximate stage of degradation and generate alarm messages of different levels, each level corresponding to a different stage of degradation, combining confidence and severity of diagnosis. An important aspect of the prognosis is the taking into account of the contextual parameters influencing the rate of degradation. The objectives of this thesis are to have methods and tools to quantify a running time remaining before bearing failure with regard to: - the severity of the damage detected, - the environmental conditions of operation, - the depth The industrial constraints associated with these objectives are as follows: 1) The prognosis should be based, at least, on high-frequency vibratory measurements of a few kHz (accelerometers), contextual data (the rotational speeds of the different rotors, for example, or the amplitudes of the levels piloted on them), rotation regimes, revealing a loading of the bearings) 2). Constituing a database of tests resulting from a plan of experiments: these tests will have to take into account the constraints related to the control of the parameters considered to be significantly influential 3) This database must take into account the representativity of the vibratory environment of an aircraft engine. 4) Propose a tool or method of prognosis taking into account the nature of the bearing to consider
Blond, Eric Henri. "Dégradation thermomécanique des réfractaires au contact de laitiers sidérurgiques". Cachan, Ecole normale supérieure, 2003. https://tel.archives-ouvertes.fr/tel-00370776.
Pełny tekst źródłaDoukhan, Giuliana Nathalie. "Étude expérimentale et analyse thermochimique de la dégradation d'alliages pour surchauffeurs d'incinérateurs d'ordures ménagères". Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-337.pdf.
Pełny tekst źródłaGérard, Corinne. "Dégradation oxydante de la nicotine sur zéolithe de métal supporté ou échangé". Le Havre, 1994. http://www.theses.fr/1994LEHA0010.
Pełny tekst źródłaCarillo, Serge. "Dégradation des facteurs de transcription nucléaires FOS et JUN". Montpellier 2, 1994. http://www.theses.fr/1994MON20235.
Pełny tekst źródłaGrégoire, Laurie-Anne. "Analyse de profils de chaussées : effet du gel saisonnier et de la dégradation du pergélisol". Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27218.
Pełny tekst źródłaMethods adapted to road condition are needed to maintain and rehabilitate roads built on permafrost or in context of seasonal frost. Several issues can lead to increase repair and maintenance costs, decrease the pavement’s lifetime and increase problems related to the safety of road users. The project objective is to develop a profile analysis tool, which would help to locate thaw and frost sensitive zones, diagnose the causes of degradation and select proper mitigation strategies. The research project is divided into two parts. The first section is related to frost heaves on pavements in context of seasonal frost. Currently, there are diagnosis methods for detecting areas where frost susceptibility is present. These methods do not allow to determine whether the freezing problem is under or at the surface of the road; in other words if the problem is related to differential heave or uplift cracks. Moreover, the methods used are not adapted to municipal roads. According to the known problems of some sites, it was possible to develop a chart used to differentiate if the frost problem is in surface layers or deep in the road subgrade. Then, a 3D analysis was done to complement the chart. Using this technology, a new method will be developed to detect freezing problems through the transverse profiles. The second part focuses on the pavements built on permafrost. Current methods for detecting the degradation of permafrost under roads are unclear and need to be refined. Three test sites were studied on the Alaska Highway in Yukon. Depending on various analysis, such as analysis of longitudinal profiles, the spectral density and wavelength, trends analysis were found to characterize the instability of permafrost.
Léoni, Eric. "Modélisation dynamique des systèmes thermochimiques : réactions en phase liquide-dégradation thermique d'un combustible végétal". Corte, 2002. http://www.theses.fr/2002CORT2010.
Pełny tekst źródłaKsiążki na temat "Analyse de dégradation"
Mark, Lemon, red. Exploring environmental change using an integrative method. Amsterdam: Gordon & Breach, 1999.
Znajdź pełny tekst źródłaDupont, Alan. The environment and security in Pacific Asia. Oxford: Oxford University Press for the International Institute for Strategic Studies, 1998.
Znajdź pełny tekst źródłaLemon, Mark. Exploring Environmental Change Using an Integrative Method. Taylor & Francis Group, 1999.
Znajdź pełny tekst źródłaLemon, Mark. Exploring Environmental Change Using an Integrative Method. Taylor & Francis Group, 1999.
Znajdź pełny tekst źródłaCzęści książek na temat "Analyse de dégradation"
Aguilera, Monica, Marie Balasse, Sébastien Lepetz i Véronique Zech-Matterne. "Amender les sols cultivés avec des fumiers et déchets domestiques : une origine multimillénaire pour un enjeu majeur du développement durable". W Regards croisés: quand les sciences archéologiques rencontrent l'innovation, 51–72. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.3790.
Pełny tekst źródłaCEA, Roberto. "Politique de santé entre concurrence scientifique et pouvoir des experts". W Les épidémies au prisme des SHS, 109–14. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5996.
Pełny tekst źródłaRaporty organizacyjne na temat "Analyse de dégradation"
Laroche, Hervé, i Véronique Steyer. L’apport des théories du sensemaking à la compréhension des risques et des crises. Fondation pour une culture de sécurité industrielle, październik 2012. http://dx.doi.org/10.57071/208snv.
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