Academic literature on the topic 'Réactions chimiques – Développement durable'
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Journal articles on the topic "Réactions chimiques – Développement durable"
Armangaud-Batut, René. "Contribution des corps gras au développement durable : solutions énergétiques et chimiques." Oléagineux, Corps gras, Lipides 13, no. 2-3 (March 2006): 187–89. http://dx.doi.org/10.1051/ocl.2006.0020.
Full textChauvigné, Céline. "Les éco-délégués ou comment éduquer le citoyen en milieu scolaire ?" Phronesis 13, no. 3 (2024): 117–27. http://dx.doi.org/10.7202/1114089ar.
Full textDOUAFER, Louiza. "Le Premier Séminaire National sur : Biodiversité, Santé et Environnement: Enjeux du Développement Durable." URBAN ART BIO 2, no. 3 (January 29, 2024): 279. http://dx.doi.org/10.35788/uab.v2i3.108.
Full textHOSTE, H., J. CABARET, G. GROSMOND, and J. P. GUITARD. "Alternatives aux traitements anthelminthiques en élevage biologique des ruminants." INRAE Productions Animales 22, no. 3 (April 17, 2009): 245–54. http://dx.doi.org/10.20870/productions-animales.2009.22.3.3351.
Full textBRUN, F., V. DUBOIS, and C. BOUTIN. "L’emploi du broyat de bois, une solution durable pour traiter les eaux ménagères ?" 3, no. 3 (March 22, 2021): 37–53. http://dx.doi.org/10.36904/tsm/202103037.
Full textTounkara, Sidi Mohamed, and Mohamed Soudani. "Intégration de l’Éducation au Développement Durable dans les Cours de Chimie : Leviers et Obstacles dans l’Enseignement Secondaire au Mali." European Scientific Journal, ESJ 20, no. 26 (September 30, 2024): 74. http://dx.doi.org/10.19044/esj.2024.v20n26p74.
Full textNgoyi, Adolphe Nsomue, Gustave Kishiko Masanga, Hubert Mulungu Bila, Alphonse Yangoy Yashima, Médard Matala Milambo, Laurent Nsapu Ndjibu, and Louis Longanza Baboy. "Effet des amendements organiques sur la croissance et le rendement de la pomme de terre (Solanum tuberosum) cultivée sur un sol dégradé dans la région de Kabinda, République Démocratique du Congo." International Journal of Biological and Chemical Sciences 14, no. 5 (September 14, 2020): 1812–19. http://dx.doi.org/10.4314/ijbcs.v14i5.24.
Full textAnguessin, Benjamine, Pierre Marie Mapongmetsem, Adamou Ibrahima, and Guidawa Fawa. "Effet de la fertilisation organique à base de litière foliaire de Jatropha curcas L. et Jatropha gossypifolia L. sur la culture de tomate (Lycopersicon esculentum Mill.) à Guider (Nord/Cameroun)." International Journal of Biological and Chemical Sciences 15, no. 2 (June 22, 2021): 524–35. http://dx.doi.org/10.4314/ijbcs.v15i2.12.
Full textLeppänen, Anneli. "Improving the Mastery of Work and the Development of the Work Process in Paper Production." Relations industrielles 56, no. 3 (October 22, 2002): 579–609. http://dx.doi.org/10.7202/000083ar.
Full textAssih, Alèdi, and Amen Yawo Nenonene. "Etat de fertilité des sols des vergers d’anacardiers (Anacardium occidentale L.) et ses effets sur la productivité en noix d’anacarde au Togo." International Journal of Biological and Chemical Sciences 16, no. 4 (October 29, 2022): 1448–58. http://dx.doi.org/10.4314/ijbcs.v16i4.8.
Full textDissertations / Theses on the topic "Réactions chimiques – Développement durable"
Dias, Hugo. "Catalyseurs bioinspirés pour la valorisation du co2 en carbonates cycliques." Electronic Thesis or Diss., Lyon 1, 2024. http://www.theses.fr/2024LYO10192.
Full textThe CO2 valorisation is a strategy that could solve current issues. By using as a reagent this abundant molecule which is considered as an anthropogenic waste product, the development of sustainable syntheses of high added value products is becoming a key challenge for the chemical industry. The synthesis of cyclic carbonates is a typical example of a green reaction that converts CO2 into useful products for polymer and lithium battery industries. However, the CO2 cycloaddition to epoxides requires the use of selective catalysts to avoid the formation of undesirable polymers. Within living organisms, carbonic anhydrase has been widely studied and recognised for its reversible ability to rapidly convert CO2 into HCO3-. Nevertheless, the application of this metalloenzyme is prohibited for an industrial use due to its instability outside physiological conditions and its expensive cost. Inspired from this macromolecule whose active site is a zinc complex surrounded by L-histidine ligands, the aim of this thesis was to develop a selective catalytic system for the synthesis of cyclic carbonates under mild conditions. Catalytic evaluations of zinc salts and L-histidine derivatives were carried out and led to syntheses and exhaustive characterisations of a series of zinc complexes. Their stability and activity coupled with their selectivity towards cyclic carbonates prompted further researches into the grafting of those complexes onto supports. Functionalised mesoporous silicas were prepared and their catalytic activity tested, enabling those selective bioinspired catalysts to be recycled
Hany, Cindy. "Développement de méthodes thermiques pour la caractérisation de réactions chimiques en microfluidique." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13936/document.
Full textThis work deals with the development of new measurement methods in order to characterize high exothermic chemical reactions in safe conditions. Thus, we combine thermal analysis with microfluidic technology. The use of microfluidics allows to manipulate a very small amount of product safely. First, we have developed a microcalorimeter to measure the global heat flux produced in co-flow or droplet-flow configurations. Several parameters can be determined: reaction and mixing enthalpy, concentrations by calorimetric titration and kinetics. The second method uses an InfraRed camera to measure the temperature field of the isoperibolic millireactor. Then, the local evolution of the reaction is estimated by thermal processing. From such inverse methods, the thermokinetic parameters can be determined
Quinton, Julia. "Développement et utilisation de dosages immunométriques pour la recherche de nouvelles réactions chimiques." Paris 11, 2010. http://www.theses.fr/2010PA112218.
Full textThe main goal of this project is the discovery of new ligation reactions by sandwich immunoassays. These sandwich test are usually used for the detection of macromolecules (proteins, virus or bacteria) for applications in diagnostic and they are poorly described for the detection of small compounds. Firstly, the development of the "sandwich test" has been carried out by evaluating the minimum size of the compounds which could be detected through the simultaneous binding oftwo antibodies. This study showed that a ternary complex could be formed even if the spacer separating two epitopes is constituted by only 5 carbon atoms. The screening by "sandwich test" has been first validated on known reactions: the Huisgen cycloaddition and Sonogashira reactions. Secondly, the screening by "sandwich test" has been realised in order to find new reactions. 2688 reactions have been realised on 96 well plates in different experimental conditions and then screened by "sandwich test". 67 hits have been observed and resulted from the formation of cross coupled products. However, among these 67 hits, 13 products resulted from known reaction and 54 hits resulted from new ones. Only 2 reactions have been optimised and reproduced at bigger scale. This screening led to the discovery of a new desulfuration reaction catalysed by copper that allowed the straighfoward formation of iso-urea in presence of phenols. This reaction was very efficient in an intramolecular way and led to the formation of benzoxazoles from aminophenols. Then, this screening permitted the disco very of a second new reaction: an innovative reaction of cyclisation in the presence of N-hydroxythiourea, alcynes and copper salts
Koubachi, Jamal. "Développement et application des réactions d'arylations et d'alcénylations directes pallado-catalysées pour la synthèse d'imidazo[1,2-a]pyridines diversement substituées." Orléans, 2008. http://www.theses.fr/2008ORLE2021.
Full textBui, The Thuong Mathieu. "Développement d'une méthode d'analyse des milieux réactionnels par spectrométrie de masse APPI." Strasbourg, 2011. http://www.theses.fr/2011STRA6242.
Full textThe aim of the project is to set up a universal method, easy to implement, that gives a rapid and precise information on the composition of the reaction mixture (identification and quantification of compounds of interest) and to evaluate the scope of the method. The principle of this method, [TMOA-APPI-MS], relies on the labeling of a compound of interest by an organic molecule that is chemically inert and owns selective ionization by APPI. In this method, the label (trimethoxybenzene) is selectively ionized and only the labeled molecules are detected. The label decreases the influence of the other functions on the molecule or in the reaction mixture and allows a standardization of the analysis conditions. The method was first compared with classical techniques (NMR, GC, HPLC) in a carbonylative Sonogashira coupling. The study of more complex reaction mixture with amines was then undertaken. This study enabled the optimization of reaction conditions for the synthesis of heterocycles starting from a labeled ynone. A reaction of deethylation of triethylamine catalyzed by platinum was discovered by the method [TMOA-APPI-MS]. A study to validate the discovery of "new reactions" was then undertaken. Known and new reaction conditions were applied to labeled model substrates with alkyne or diyne functions. The reactions were analyzed by the method [TMOA-APPI-MS], in order to ensure its ability to detect new transformations. This systematic screening showed that silver selectively catalyzes the hydration of terminal alkynes
Maximin, Céline. "Stratégies d'innovation, capital humain et développement durable : Le cas des entreprises du secteur chimique en France." Paris 1, 2008. http://www.theses.fr/2008PA010044.
Full textRoubinet, Benoît. "Développement de nouveaux outils chimiques pour la conception d'un système de détection fluorogénique des réactions catalysées par les polymérases." Rouen, 2015. http://www.theses.fr/2015ROUES012.
Full textDuring the past decade, considerable research efforts have been devoted to the field of bioanalysis of nucleic acids, and significant achievements have been done, particularly through the development of new methods for high-throughput DNA sequencing (HTS). This was made possible thanks to advances in optical detection methods, in particular fluorescence techniques which have some advantages including high sensitivity and ease of implementation. It is in this context that this current project takes place, whose ultimate and ambitious goal is the development of a novel fluorogenic system for real-time monitoring of DNA replication process. The main objective of this Ph. D. Thesis is to obtain a first proof-of-concept through the synthesis of a novel class of thionucleotides that only differ from the natural nucleotides by the replacement of the bridging-oxygen between phosphorus atoms Pα and Pβ by a sulfur atom ("P-S-P" moiety), to increase the nucleophilic character of the anion, released upon action of DNA polymerase (thiopyrophosphate (ThioPPi) instead of pyrophosphate). Subsequent reaction of ThioPPi with thiol-reactive latent fluorophores will enable detection of this enzymatic event. The first part of this work was devoted to the rational design and structural optimization of this pro-fluorescent system. Novel water-soluble phenol-based fluorophores derived from 7- hydroxycoumarin scaffold have been synthesized and the evaluation of their photophysical properties has been done. Their subsequent conversion to thiol-sensitive fluorogenic probes (reactive toward both ThioPPi and its decomposition product thiophosphate anion) through the chemical modification of their hydroxyl group was achieved. This comprehensive study has enabled us to select some latent fluorophores exhibiting both biocompatibility and high reactivity toward thiols, suitable for targeted application. The second part was devoted to the synthesis of original thionucleotides by exploring unusual synthetic strategies leading to "P-S-P" moiety; some valuable/interesting results were obtained. The third part aimed at highlighting some of the synthesized molecules in bioanalytical experiments
Noël, Maxence. "Etude des relations structure-fonction des sialyltransférases humaines : développement de nouveaux outils." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1S109/document.
Full textSialylation is a major modification of glycoproteins and glycolipids and is involved in cellular and molecular processes. The sialylation reaction is catalyzed by sialyltransferases, a group of golgian glycosyltransferases using an activated sugar donor in the form of CMP-sialic acid. These enzymes, 20 in humans, have redundant enzymatic activities and have a very fine specificity towards the accepting substrate. Their deregulation leads to altered sialylation profiles in pathological situations but little is known about their functional organization in the cell. Techniques for studying the sialylation reaction and sialoglycoconjugates are numerous but rarely present the possibility of selectively monitoring O- or N-glycans. In this context, I have produced different recombinant and soluble sialyltransferases and developed new strategies for studying these enzymatic activities in in vitro and in cellulo assays based on the use of a non-natural sialic acid: CMP-SiaNAl. This unnatural sialic acid derivative carrying an N-alkyne group serves as a chemical reporter for the detection and visualization of sialoglycoconjugates. After having shown that this substrate is used with the same affinity as the natural substrate, I developed new tools allowing the study of sialyltransferases. In addition, I was able to provide elements of understanding as to the molecular and functional evolution of this ST6GAL1 in vertebrates, implying an evolution of its enzymatic activity in mammals
Bur, Nicolas. "Etude des caractéristiques physico-chimiques de nouveaux bétons éco-respectueux pour leur résistance à l'environnement dans le cadre du développement durable." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00804542.
Full textPascual, Espuny Céline. "Le développement durable : promesse d’un changement paradigmatique ? : étude d’un processus discursif et négocié : un exemple : Reach* (* règlement européen sur les substances chimiques)." Paris 4, 2007. https://hal-amu.archives-ouvertes.fr/tel-01896585.
Full textThis thesis questions the notion of sustainable development, it considers the way the idea came into being, how it has been transmitted, diffused, and how it has evolved. The viewpoint that has been retained is based on the fact that sustainable development contains a paradigmatical potential, and that it proposes logical and cognitive ruptures. In that perspective, considering sustainable development as a paradigma comes under a central question, that of the question of norms in the process of changing. The construction of these norms can be envisaged in their diffusion in a public sphere. It is a two-step study : first, in the analysis of texts we consider to be “founders”, from which sustainable development emerges and which determine a field of action whilst allowing interpretation. Then times of controversy, of publicised debates take place, and constitute a second period of normalisation, in a more open space. By the analysing and cross-checking of eight years’ worth of articles and press releases from Reach, (European regulation on the Registration, Evaluation and Authorisation of Chemicals, which was adopted in decembre 2006), we can observe the discursive and negociated process of the normalisation of sustainable development
Books on the topic "Réactions chimiques – Développement durable"
Ontario. Esquisse de cours 12e année: Sciences de l'activité physique pse4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Technologie de l'information en affaires btx4e cours préemploi. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Études informatiques ics4m cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Mathématiques de la technologie au collège mct4c cours précollégial. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Sciences snc4m cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: English eae4e cours préemploi. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Le Canada et le monde: une analyse géographique cgw4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Environnement et gestion des ressources cgr4e cours préemploi. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Histoire de l'Occident et du monde chy4c cours précollégial. Vanier, Ont: CFORP, 2002.
Find full textOntario. Esquisse de cours 12e année: Géographie mondiale: le milieu humain cgu4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Find full textBook chapters on the topic "Réactions chimiques – Développement durable"
Boucher, Olivier. "Propriétés physiques, chimiques et optiques des aérosols." In Ingénierie et développement durable, 17–35. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-8178-0055-4_3.
Full text"Mesotoga : la bactérie des milieux pollués." In Science et développement durable, 114. Marseille: IRD Éditions, 2019. http://dx.doi.org/10.4000/1229r.
Full textBellali, Abderrahmane. "Recherches sur la Sustainability." In Recherches sur la Sustainability, 368–85. EMS Editions, 2023. http://dx.doi.org/10.3917/ems.cheva.2023.01.0368.
Full textReports on the topic "Réactions chimiques – Développement durable"
Les forêts françaises face au changement climatique. Académie des sciences, June 2023. http://dx.doi.org/10.62686/6.
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