Literatura académica sobre el tema "Produit de lixiviation – Composition chimique"
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Artículos de revistas sobre el tema "Produit de lixiviation – Composition chimique"
Ntsoumou, M. V., P. P. Adzona, T. M. Ndoulou y Mboko H. Banga. "Rendement et Composition Chimique du Tourteau de Tetracarpidium conophorum (Müll. Arg.) Hutch. & Dalz Produit par Pression Mécanique et Hydrodistillation". European Scientific Journal, ESJ 19, n.º 36 (31 de diciembre de 2023): 175. http://dx.doi.org/10.19044/esj.2023.v19n36p175.
Texto completoBakhti, Abdellah y Mohand SaÏd Ouali. "Sorption des ions chromate sur une hydrotalcite de synthèse calcinée". Water Quality Research Journal 40, n.º 2 (1 de mayo de 2005): 177–83. http://dx.doi.org/10.2166/wqrj.2005.020.
Texto completoOuafi, Nesrine, Houria Moghrani, Noureddine Benaouda, Noureddine Yassaa y Rachida Maachi. "Evaluation qualitative et quantitative de la qualité des feuilles de Laurier noble Algérien séchées dans un séchoir solaire convectif". Journal of Renewable Energies 20, n.º 1 (12 de octubre de 2023): 161–68. http://dx.doi.org/10.54966/jreen.v20i1.617.
Texto completoChatonnet, Pascal, Jean-Noël Boidron y Monique Pons. "Incidence du traitement thermique du bois de chêne sur sa composition chimique. 2e partie : évolution de certains composés en fonction de l'intensité de brûlage". OENO One 23, n.º 4 (31 de diciembre de 1989): 223. http://dx.doi.org/10.20870/oeno-one.1989.23.4.1722.
Texto completoSELLIER, P., J. BOUIX, G. RENAND y M. MOLÉNAT. "Les objectifs et les critères de sélection : Les aptitudes bouchères : croissance, efficacité alimentaire et qualité de la carcasse". INRAE Productions Animales 5, HS (2 de diciembre de 1992): 147–59. http://dx.doi.org/10.20870/productions-animales.1992.5.hs.4278.
Texto completoDAABOUL, Joanna, Julien LE DUIGOU, Diana PENCIUC y Benoit EYNARD. "Aide à la décision pour la conception d’une chaine logistique inverse pour l’aluminium". Revue Française de Gestion Industrielle 33, n.º 1 (1 de marzo de 2014): 9–31. http://dx.doi.org/10.53102/2014.33.01.716.
Texto completoFRAYSSE, J., F. BARILLET, G. LAGRIFFOUL y F. BOCQUIER. "Brebis laitières : impact de la structure du troupeau et autres facteurs d’élevage sur la composition chimique du lait livré". INRAE Productions Animales 9, n.º 3 (17 de junio de 1996): 201–10. http://dx.doi.org/10.20870/productions-animales.1996.9.3.4048.
Texto completoFAYE, B., O. ABDELHADI, G. RAIYMBEK, I. KADIM y J. F. HOCQUETTE. "La production de viande de chameau : état des connaissances, situation actuelle et perspectives". INRAE Productions Animales 26, n.º 3 (18 de junio de 2013): 289–300. http://dx.doi.org/10.20870/productions-animales.2013.26.3.3158.
Texto completoGeoffroy, F., Michel Naves, G. Saminadin, H. Borel y G. Alexandre. "Utilisation des ressources alimentaires non conventionnelles par les petits ruminants". Revue d’élevage et de médecine vétérinaire des pays tropicaux 44, special (1 de mayo de 1991): 105–12. http://dx.doi.org/10.19182/remvt.9227.
Texto completoBastianelli, Denis y Laurent Bonnal. "Evaluation de la qualité des produits du canard gras". Revue d’élevage et de médecine vétérinaire des pays tropicaux 67, n.º 3 (27 de junio de 2015): 135. http://dx.doi.org/10.19182/remvt.10176.
Texto completoTesis sobre el tema "Produit de lixiviation – Composition chimique"
Moustafa, Ahmad. "Caractérisation chimique (minérale et organique) des lixiviats issus de la décharge des déchets à Tripoli-Liban". Electronic Thesis or Diss., Université de Lille (2018-2021), 2021. http://www.theses.fr/2021LILUR008.
Texto completoThe global production of waste is increasing rapidly, posing a source of threat to living beings, human health and the environment. Most of the waste produced is disposed of in poorly controlled landfills, especially in third world countries such as Lebanon. The waste is subjected to degradation processes resulting in the release of many toxic substances mainly leachate which is loaded with pollutants constituting a major source of environmental pollution. In Lebanon, waste is disposed of in uncontrolled landfills without any prior sorting. The Tripoli landfill is one of the most dangerous landfills in Lebanon due to the disposal of leachate in the aquatic environment without any treatment.Our research work aims to study the physico-chemical characteristics; the temporal and seasonal variation in the quality of the leachate from the Tripoli landfill in northern Lebanon, and the estimation of the probable risk of leachate in the study area. In order to meet these objectives, several sampling campaigns were carried out covering the summer and winter periods, as well as the old and new cells of the body of the landfill. The variation of the 100 leachate quality parameters, namely dissolved organic components; inorganic macro-components; metallic trace elements; and xenobiotic organic compounds were monitored according to standard methods of wastewater analysis using specific laboratory equipment. Analyzes of the leachate quality showed a large variation between the two-landfill units. The content of the majority of pollutants (organic and mineral) detected in the new landfill unit is much higher than that found in the old unit. This indicates the heterogeneous state of the landfill body and the influence of age on the quality of the leachate. The quantity and quality of the leachate is strongly correlated with climatic conditions and it depends on the pollutant studied, reflecting the complexity of the seasonal effect on the quality of the leachate from the Tripoli landfill. High values of LPI (Leachate Pollution Index) and leachate pH were found which show the age of the Tripoli landfill. High values of LPI and the annual flow of pollutants (organic and mineral) were found, which shows the high toxicity of the leachate as well as the occasional pollution of the different behaviors of the neighboring aquatic environment (Abou Ali River and Mediterranean Sea).The results obtained in this study give a clear picture of the leachate quality of the Tripoli landfill; which will be used to set corrective and preventive actions for the hazardous situation of the landfill, and to attract the attention of local and national managers to limit the danger and move towards a good management of leachate rejected by the establishment of a specific treatment system of leachate
LE, BRAS PHILIPPE. "Les moyens du medecin du travail pour la determination de la composition des produits toxiques dans le monde du travail". Nantes, 1988. http://www.theses.fr/1988NANT099M.
Texto completoMartin-Dupont, Fabienne. "Valorisation chimique d'un co-produit de la filière bois : Approche théorique des capacités fixatrices en métaux lourds par les écorces forestières". Compiègne, 2003. http://www.theses.fr/2003COMP1475.
Texto completoSomot, Stéphanie. "Radium, uranium et métaux dans les résidus de traitement dynamique, acide et alcalin, de minerais d'uranium". Nancy 1, 1997. http://www.theses.fr/1997NAN10286.
Texto completoBoutakiout, Amale. "Etude physico-chimique, biochimique et stabilité d’un nouveau produit : jus de cladode du figuier de Barbarie marocain (Opuntia ficus-indica et Opuntia megacantha)". Thesis, Angers, 2015. http://www.theses.fr/2015ANGE0004/document.
Texto completoThe orientations of the Moroccan agricultural policy concerning the Green Morocco Plan, promote the development of the arid zones and the development of crops that adapt to global warming. The prickly pear cactus is a plant which is adapted to the arid climate and still untapped in Morocco. Prickly pear cladodes contain bioactive components that have beneficial health effects. The juice extracted from cladodes of both species Opuntia ficus-indica(spineless) and Opuntia megacantha(spiny) was the subject ofthis work. The cladodes were harvested in the region of Marrakech (Ouled Dlim) in Morocco for three seasons (spring, summer and winter) between 2013 and 2014 to assess the effect of harvest time on the physico-chemical and biochemical composition and antioxidant activity. The yield of cladode juice varies within the seasons and species (63,39 –20,83 %). The physico-chemical and biochemical analyzes showed that cladode juice is rich in polyphenols (543 ± 1–456 ± 8mg GAE/mL), in ascorbic acid (17,60 ± 1,87 –22,88 ± 0,62 mg/100 mL) and in potassium (409,35 –44,23 mg/100mL) but poor in sugar (0,66 ± 0,01–1,45 ± 0,03 g/100 mL). HPLC analysis of phenolic compounds has shown that cladode juice is rich in flavonols namely isoquercetin and hyperoside (645,90 mg/mL and 164,50 mg/mL respectively). The antioxidant activity of cladode juice was measured with FRAP test (1,74 ± 0,07 –3,33 ± 0,02 μmol TE/mL) and the antiradical activity was carried out with the DPPH test (1,78 ± 0,03 –4,10 ± 0,02 μmol TE/mL ) and the ABTS test (12,78 ± 1,69 –23,10 ± 0,17 μmol TE/mL ). The correlation analysis indicated that there was a significant relationship (p<0,05) between the methods of analysis, species and seasons.Quantitative analysis of cladode juice harvested in March HPLC-DAD showed the presence of a significant quantity of flavonoids essentially isoquercetin and hyperoside. Results of these analyzes showed that cladode juice is rich in nutriments and has an antioxidant activity potential. The juice can be stored for 42 days at 4°C, after pasteurization at 95°Cfor 3 min in a water bath and lowering the pH to 3,5 with citric acid. Cladode juice can be used as nectar, iced tea or soft drink and with a valorization of its coproducts (jam, soup, powder etc.)
Sinakevitch, Pean Irina. "Détermination de la nature chimique du produit synthétisé et libéré par les dorsal unpaired median (DUM) neurones et étude du rôle physiologique de ces cellules neurosécrétrices du 6ème ganglion abdominal de la blatte periplaneta americana L". Angers, 1995. http://www.theses.fr/1995ANGE0010.
Texto completoRivière, Michel. "Etude structurale et sérologique d'un nouveau glycolipide phénolique produit par Mycobacterium Kansasii". Toulouse 3, 1987. http://www.theses.fr/1987TOU30128.
Texto completoSterpenich, Jérôme. "Altération des vitraux médiévaux : contribution à l'étude du comportement à long terme des verres de confinement". Nancy 1, 1998. http://docnum.univ-lorraine.fr/public/SCD_T_1998_0211_STERPENICH.pdf.
Texto completoZhang, Yan. "Modélisation du comportement élastoplastique d'une pâte cimentaire soumise à la dégradation chimique". Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10005/document.
Texto completoThesis presents elastoplastic modelling of cement-based materials coupledwith chemical degradation and mechanical damage. The emphasis is put on cementpaste subjected to compressive stresses. A short literature review is first presented on the mineralogical composition, chemical degradation mechanisms, basic mechanical behaviour and chemical-mechanical coupling. Based on this analyses and a series of experimental data obtained from uncoupled and coupled tests, an elastoplastic constitutive model coupled with chemical damage is first formulated. Two plastic mechanisms are taken into account; respectivelyrelated to deviatoric shearing and pore collapse. The chemical damage is identified as relative variation of porosity. Elastic and plastic properties are affected by chemical damage. Numerical simulations are compared with experimental data and good agreements have been obtained. The evolution of the chemical damage has been described by the generalized diffusion equation which is based on the mass balance equation and a phenomenological chemistry model. We have used finite element method to solve the generalized diffusion equation. Coupled chemical-mechanical tests have been simulated by the proposed model and we have also obtained satisfactory concordance. An extension of the model is finally proposed by including mechanical damage due to microcracks in order to describe brittle responses of material under tensile stresses and low confining pressures. An example of application to structural analysis with chemical degradation is presented. It has been shown that the proposed model describes correctly the main features of the mechanical behaviours of cement-based materials at different stress conditions with chemical degradation
Fournié, Jean-Jacques. "Etude structurale et serologique du mycoside a produit par mycobacterium kansasii". Toulouse 3, 1986. http://www.theses.fr/1986TOU30191.
Texto completoCapítulos de libros sobre el tema "Produit de lixiviation – Composition chimique"
ANGELI, Frédéric, Léa BRUNSWIC, Thibault CHARPENTIER y Stéphane GIN. "Lixiviation du plomb dans les verres industriels en cristal : rôle de la composition chimique, de la structure et des traitements de surface". En Le plomb dans les matériaux vitreux du patrimoine, 301–31. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9076.ch13.
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