Letteratura scientifica selezionata sul tema "Processus chimique"
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Articoli di riviste sul tema "Processus chimique"
Mhamdi, Oumayma, Sophie Jasinski e Alexandre de Saint Germain. "L’allélopathie : une communication chimique entre plantes". Biologie Aujourd’hui 218, n. 3-4 (2024): 145–64. https://doi.org/10.1051/jbio/2024017.
Testo completoRigneault, Hervé, e Sandro Heuke. "Comprendre les processus raman cohérents". Photoniques, n. 121 (2023): 52–56. http://dx.doi.org/10.1051/photon/202312152.
Testo completoRasoloharimahefa-Rasamoela, Michèle, e Catherine Bouland. "Évaluation du risque par les professionnels de la santé et les équipes de secours lors d’incidents chimiques". Santé Publique 36, n. 3 (21 giugno 2024): 109–19. http://dx.doi.org/10.3917/spub.243.0109.
Testo completoRasoloharimahefa-Rasamoela, Michèle, e Catherine Bouland. "Évaluation du risque par les professionnels de la santé et les équipes de secours lors d’incidents chimiques". Santé Publique Prépublications (6 maggio 2024): I—XI. http://dx.doi.org/10.3917/spub.pr2.0029.
Testo completoRaimbault, Benjamin. "Dans l’ombre du génie génétique : le génie métabolique". Natures Sciences Sociétés 29, n. 3 (luglio 2021): 262–73. http://dx.doi.org/10.1051/nss/2021063.
Testo completoAloisi, Giovanni. "Les océans au bord de la crise d'asthme". La Météorologie, n. 125 (2024): 019. http://dx.doi.org/10.37053/lameteorologie-2024-0032.
Testo completoHanafi, Fatiha, Nadia Sadif, Omar Assobhei e Mohammed Mountadar. "Traitement des margines par électrocoagulation avec des électrodes plates en aluminium". Revue des sciences de l'eau 22, n. 4 (22 ottobre 2009): 473–85. http://dx.doi.org/10.7202/038326ar.
Testo completoGarriga Escribano, Cecilio. "Apuntes sobre la incorporación del léxico de la química al español : la influencia de Lavoisier". Documents pour l'histoire du français langue étrangère ou seconde 18, n. 1 (1996): 419–35. http://dx.doi.org/10.3406/docum.1996.1173.
Testo completoFaure, D., e A. M. Deschamps. "Valorisation des pellicules de raisins par compostage". OENO One 24, n. 1 (31 marzo 1990): 1. http://dx.doi.org/10.20870/oeno-one.1990.24.1.1223.
Testo completoBesbes, Mondher, Jean-Paul Hugonin e Christophe Sauvan. "Calcul électromagnétique de micro et nanostructures photoniques périodiques". Photoniques, n. 100 (gennaio 2020): 34–39. http://dx.doi.org/10.1051/photon/202010034.
Testo completoTesi sul tema "Processus chimique"
Marti, Aliod Carles. "Simulation de processus de stockage chimique pour l'énergie renouvelable". Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30358.
Testo completoThe aim of the present thesis encompasses different processes related to the storage of energy coming from renewable sources. Concretely, this thesis aims to study, from a theoretical point of view, the processes related to the plasma-assisted Sabatier reaction (CO 2 + 4 H2 → CH4 + 2 H2O), where the heterogeneous catalyst is composed by Ni/Ru elements. The research is consequently split in the topics developed at each partner specialties. In the university of Perugia, the plasma/gas phase processes are considered, concretely the study of the OH + H 2 using the quantum-classical method. The main innovative procedure has been to add a long-range potential tail to the already available. Potential Energy Surface (PES), converting it into a suitable one for non reactive processes, while maintaining the accuracy of the ab initio, necessary for the reactive processes. In this sense we carried out a study of OH + H2 scattering using a quantum-classical method, treating quantally vibrations and classically both translations and rotations. The good agreement between the state specific quantum- classical reactive probabilities and the corresponding full quantum ones prompted the extension of the study to state to state probabilities for non reactive vibrational energy exchange. The study showed that H 2 reactive dynamics depends on the vibrational excitation, while the non reactive one is mainly vibrationally adiabatic. On the contrary, OH reactive dynamics is not affected by its vibrational excitation, whereas the non reactive one might produce some pumping up to higher vibrational states. In the university Paul Sabatier of Toulouse, the Ru clusters and nanoparticles, part of the industrial catalyst are studied using the DFTB approach. The intend was to investigate the ability of DFTB to provide reliable results about electronic structure, structural properties and stability of monometallic ruthenium systems covering the size range from small clusters to larger nanoparticles and the bulk. Due to the fact that the electronic bonding and structural organization of ruthenium cluster are somewhat specific in regard of other metal clusters, it is challenging to examine whether DFTB is able to account for such peculiarities. Parallel-Tempering Molecular Dynamics (PTMD), was used in combination with periodic quenching to achieve global optimization of neutral, cationic and anionic clusters in the range n=3-20.[...]
Lallement, Audrey. "Impact des processus photochimiques et biologiques sur la composition chimique du nuage". Thesis, Université Clermont Auvergne (2017-2020), 2017. http://www.theses.fr/2017CLFAC066/document.
Testo completoIn the context of global warming, more precise knowledge of atmospheric processes is needed to evaluate their impact on the Earth radiative budget. Clouds can limit the increase of temperature but this retroaction is not well understood due to a lack of knowledge of cloud media (like organic fraction composition). From the beginning of atmospheric studies, only chemical, especially radical, reactions was taken into account. However microorganisms metabolically active were found in cloud water arising questions about their role as biocatalyst. They are able to use carboxylic acids as nutriments, to degrade radical precursor (like H2O2) and to survive oxidative stress. The aim of this work is to quantify the impact of photochemical and biological processes on cloud chemistry composition. First, the concentrations of •OH, the most reactive radical, were evaluated and the influence of microorganisms on the concentrations were studied. A new method was developed in artificial medial before direct quantification of steady state •OH concentration in atmospheric waters (rain and cloud waters). Concentrations ranged from 10-17 to 10-15 M and did not change in presence of microorganisms. These measures were lower than concentrations estimated by chemical atmospheric models. A possible explanation was an underestimation of the main sink of this radical (organic matter). To better characterize this fraction, simple aromatic compounds were identified in cloud waters, phenol was found in the 8 samples analyzed. To go further, we studied phenol degradation in detail. Enzyme transcripts involved in phenol degradation were present in cloud water samples showing in situ activity of native bacteria. 93% of tested cultural strains, isolated from cloud waters, were able to degrade phenol. To quantify the relative contribution of radical versus microbial processes allowing phenol degradation, we performed photo-biodegradation experiment with a model strain (Rhodococcus erythropolis PDD-23b-28). Our results showed that these two processes participated equally to phenol degradation, suggesting that microorganisms and radicals can be involved in atmospheric natural remediation
Verlhac, Catherine. "Analyse microstructurale chimique de matériaux cellulosiques : étude de quelques aspects des processus papetiers". Bordeaux 1, 1988. http://www.theses.fr/1988BOR10582.
Testo completoLasledj, Abdelmadjid. "Traitement des sols argileux à la chaux : processus physico-chimique et propriétés géotechniques". Thesis, Orléans, 2009. http://www.theses.fr/2009ORLE2044/document.
Testo completoLime treatment techniques have largely been developed across the word mainly in civil engineering works. The context of sustainable development implies to improve the rate of reuse of clay soils in the earthworks. This study demonstrates that whatever the plasticity and poor hydromechanical properties of clay soils, the lime treatment is effective. Experimental results on highly plastic clay soil show that all geotechnical properties progress with the lime treatment: the swelling is eliminated, the plasticity is reduced greatly and the strength increases. Monitoring the physicochemical lime-clay reaction allowe to determine the quantities of lime required for short term and/or long term changes in the hydromechanical behaviour of treated clay soils. The cation exchange pursued by the pozzolanic reactions induced mineralogical, textural and structural changes in the treated soil. New hydrates are formed through the consumption of lime and clay. These hydrates contour the edges of clay particles and formed a layer which coat and provide the link between particles. These changes are well behind improvements in geotechnical properties of treated soil. The research conducted in this thesis shows that the process and the kinetics of lime-clay reactions depend on the exchangeable cation, the amount of lime available, to the curing temperature and the structure of the clay smectite, illite and kaolinite
Verlhac, Catherine. "Analyse microstructurale chimique de matériaux cellulosiques étude de quelques aspects des processus papetiers /". Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376190791.
Testo completoChampeau, François. "Paramétrisation des processus physico-chimiques de formation des nuages et étude de leurs impacts sur l'évolution de la composition chimique atmosphérique". Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2007. http://tel.archives-ouvertes.fr/tel-00717866.
Testo completoChampeau, François. "Paramétrisation des processus physico-chimiques de formation des nuages et étude de leurs impacts sur l'évolution de la composition chimique atmosphérique". Phd thesis, Clermont-Ferrand 2, 2007. http://www.theses.fr/2007CLF21748.
Testo completoBernard, Pierre. "Étude du polissage mécano-chimique du cuivre et modélisation du processus d'enlèvement de matière". Phd thesis, Ecole Centrale de Lyon, 2006. http://tel.archives-ouvertes.fr/tel-00632222.
Testo completoBernard, Pierre. "Etude du polissage mécano-chimique du cuivre et modélisation du processus d'enlèvement de matière". Ecully, Ecole centrale de Lyon, 2006. http://bibli.ec-lyon.fr/exl-doc/pbernard.pdf.
Testo completoChemical Mechanical Polishing (CMP) has benn introduced in semiconductor manufacturing thirty years ago. It makes it possible to obtain fast and high quality planarization at nanometric scales. CMP consists in polishing a chemically modified copper surface with abrasive particules on a polyurethane pad. The chemical transformation of the copper (or other materials) leads to a modification of the mechanical properties of the superficial layer, that is more easily removed. Our study focused firstly on the composition of this modified layer, and secondly on the elaboration of a model that could explain the removal and planarization of the surface layer. We were able to point out that the modified layer is Cu2O. Our model is based on the properties of the pad (roughness, elastic properties), the wafer (mechanical properties of the modified layer) and the abrasive particles (mass concentration, hardness). We established a simple expression between the removal rate (RR), the rotating speed V of the platen and the pressure P applied on the wafer : RR = K. V. P 1,19. Our experimental results corroborate this model. Oour model is also able to explain the planarization phase
Bernard, Pierre Kapsa Philippe. "Etude du polissage mécano-chimique du cuivre et modélisation du processus d'enlèvement de matière". [S.l.] : [s.n.], 2006. http://bibli.ec-lyon.fr/exl-doc/pbernard.pdf.
Testo completoLibri sul tema "Processus chimique"
Coughanowr, Donald R. Process systems analysis and control. 3a ed. Dubuque, IA: McGraw-Hill, 2012.
Cerca il testo completoFontecave, Marc. Chimie des processus biologiques: Une introduction. Paris: Fayard, 2009.
Cerca il testo completoIordache, Octavian. Modelarea statistică și estimarea parametrilor proceselor chimice. București: Editura Academiei Române, 1991.
Cerca il testo completoL, Kabel Robert, a cura di. Scaleup of chemical processes: Conversion from laboratory scale tests to successful commercial size design. New York: Wiley, 1985.
Cerca il testo completoRosenof, Howard P. Batch process automation: Theory and practice. New York: Van Nostrand Reinhold, 1987.
Cerca il testo completoA, Linninger Andreas, a cura di. Batch processes. Boca Raton, FL: CRC/Taylor & Francis, 2006.
Cerca il testo completoP, Huang C., O'Melia Charles R, Morgan James J. 1932-, American Chemical Society. Division of Environmental Chemistry. e American Chemical Society Meeting, a cura di. Aquatic chemistry: Interfacial and interspecies processes. Washington, DC: American Chemical Society, 1995.
Cerca il testo completoComité national pour la gestion des produits chimiques (Madagascar). Profil national sur la gestion des produits chimiques à Madagascar. [Antananarivo?]: Comité national de gestion des produits chimiques, 2001.
Cerca il testo completoC, Jones Anthony, e Hitchman Michael L, a cura di. Chemical vapour deposition: Precursors, processes and applications. Cambridge, UK: Royal Society of Chemistry, 2009.
Cerca il testo completo1915-, McKetta John J., a cura di. Unit operations handbook. New York: Marcel Dekker, 1993.
Cerca il testo completoCapitoli di libri sul tema "Processus chimique"
MENUT, Laurent. "Observations et législation". In Modélisation de la pollution atmosphérique régionale, 29–48. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9102.ch2.
Testo completoMENUT, Laurent. "La modélisation de chimie-transport". In Modélisation de la pollution atmosphérique régionale, 125–53. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9102.ch6.
Testo completoMENUT, Laurent. "Les dépôts". In Modélisation de la pollution atmosphérique régionale, 113–23. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9102.ch5.
Testo completoFontecave, Marc. "Chimie des processus biologiques : une introduction". In Chimie des processus biologiques : une introduction. Collège de France, 2009. http://dx.doi.org/10.4000/books.cdf.205.
Testo completoMONTEUX, Julien, e Denis ANDRAULT. "Dynamique et évolution thermique du manteau terrestre primitif". In Structure et dynamique de l’intérieur de la Terre 1, 75–113. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9172.ch3.
Testo completoMENUT, Laurent. "Définition de la pollution atmosphérique". In Modélisation de la pollution atmosphérique régionale, 5–27. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9102.ch1.
Testo completo"Chapitre 9 Initiation aux processus induits par les rayonnements ionisants". In Cinétique et dynamique des réactions chimiques, 247–78. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1812-9-011.
Testo completo"Chapitre 9 Initiation aux processus induits par les rayonnements ionisants". In Cinétique et dynamique des réactions chimiques, 247–78. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1812-9.c011.
Testo completo"Chapitre 9 Initiation aux processus induits par les rayonnements ionisants". In Cinétique et dynamique des réactions chimiques, 247–78. EDP Sciences, 2020. https://doi.org/10.1051/978-2-7598-1296-7.c011.
Testo completo"Chapitre 8 Initiation à la cinétique des processus photophysiques et photochimiques". In Cinétique et dynamique des réactions chimiques, 219–46. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1812-9-010.
Testo completoAtti di convegni sul tema "Processus chimique"
Aukauloo, Ally. "S'inspirer de la nature pour produire de l'énergie. Photosynthèse artificielle à l'Université Paris-Saclay". In MOlecules and Materials for the ENergy of TOMorrow. MSH Paris-Saclay Éditions, 2021. http://dx.doi.org/10.52983/nova3845.
Testo completoPROCA, Agnesea. "Formarea competenței de utilizare inofensivă a compușilor chimici în procese biologice cu importanță vitală în cadrul lucrărilor practice la chimie". In "Învățământul superior: tradiţii, valori, perspective", conferinţă ştiinţifică internaţională, 81–88. Ion Creangă Pedagogical State University, 2022. https://doi.org/10.46727/c.v1.1-2-10-2022.p81-88.
Testo completoRapporti di organizzazioni sul tema "Processus chimique"
Jiang, C., e X. Zhang. Direct lithium extraction from raw and CO2-mineralization treated oilfield brine using an electrochemically assisted lithium-ion sieve: a preliminary feasibility study. Natural Resources Canada/CMSS/Information Management, 2024. https://doi.org/10.4095/pwwq3wrg5m.
Testo completoCauhopé, Marion, François Duchêne e Marie-Christine Jaillet. Impact d'une catastrophe sur l'avenir d'un site industriel urbain. Les cas de Lyon et Toulouse. Fondation pour une culture de sécurité industrielle, giugno 2010. http://dx.doi.org/10.57071/730gkb.
Testo completoMartinais, Emmanuel. L’élaboration du PPRT de la vallée de la chimie lyonnaise: La prévention des risques industriels comme moteur du développement économique. Fondation pour une culture de sécurité industrielle, ottobre 2016. http://dx.doi.org/10.57071/nbm663.
Testo completoThees, Oliver, Matthias Erni, Vanessa Burg, Gillianne Bowman, Serge Biollaz, Theodoros Damartzis, Timothy Griffin et al. Le bois-énergie en Suisse: potentiel énergétique, développement technologique, mobilisation des ressources et rôle dans la transition énergétique. Livre blanc. Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, aprile 2023. http://dx.doi.org/10.55419/wsl:32793.
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