Academic literature on the topic 'Actions réactions'
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Journal articles on the topic "Actions réactions"
Motta, Alessio. "Des ré-actions collectives types." Emulations - Revue de sciences sociales, no. 31 (November 15, 2019): 45–64. http://dx.doi.org/10.14428/emulations.031.04.
Full textLaurens, Henry. "L’Europe et l’islam : actions et réactions." Le Débat 185, no. 3 (2015): 52. http://dx.doi.org/10.3917/deba.185.0052.
Full textSarrazin-Auriol, Corinne. "Actions et réactions de l'école face à la délinquance." Empan 59, no. 3 (2005): 80. http://dx.doi.org/10.3917/empa.059.0080.
Full textBelladina, Aurélie. "Traumatismes sexuels : le désaveu de l’entourage comme miroir du déni du sujet." Cliniques méditerranéennes 109, no. 1 (March 14, 2024): 203–19. http://dx.doi.org/10.3917/cm.109.0199.
Full textMirza, Hayat. "L’expérience télévisuelle ou logique du récit et logique des actions." Revue des sciences de l'éducation 2, no. 3 (October 2, 2009): 249–65. http://dx.doi.org/10.7202/900028ar.
Full textLeBlanc, Marc, and Nguyen Thi-Hau. "Réactions sociales à la déviance." Acta Criminologica 7, no. 1 (January 19, 2006): 107–32. http://dx.doi.org/10.7202/017032ar.
Full textSantos, Sérgio Cunha dos. "ΡΥΣΜΟΣ na poesia de Arquíloco." Classica - Revista Brasileira de Estudos Clássicos 2, no. 1 (February 3, 2018): 153–60. http://dx.doi.org/10.24277/classica.v2i1.632.
Full textBelot, François, Edith Ginglinger, and Laura T. Starks. "Encouraging long-term shareholders: The effects of loyalty shares with double voting rights." Finance Vol. 44, no. 1 (December 21, 2023): 3–61. http://dx.doi.org/10.3917/fina.pr.026.
Full textLebel, Estelle, and Colette Beauchamp. "Moitié Moitié sur les écrans : de l’attribution des fonds publics dans l’industrie audiovisuelle." Articles 7, no. 2 (April 12, 2005): 95–113. http://dx.doi.org/10.7202/057794ar.
Full textLedoux, Sébastien. "La place des émotions à l’École après les attentats de 2015." Diversité 195, no. 1 (2019): 101–7. http://dx.doi.org/10.3406/diver.2019.4797.
Full textDissertations / Theses on the topic "Actions réactions"
Borchani, Salma. "Gestion des actions-réactions stratégiques et dynamique de l'apprentissage stratégique dans les entreprises tunisiennes performantes." Thesis, Paris Est, 2011. http://www.theses.fr/2011PEST0047.
Full textBasing on study of the theory of competitive dynamics and the evolutionary theory, our thesis tackles the question of the process of evolution of the strategic behaviors of the firms in relation to the process of learning. A review of the literature made it possible to develop proposals for a research treating this question and leading to conceptual model adjusted thereafter by the use of qualitative empirical study. The examination of this process of evolution was carried out through an empirical study (qualitative and quantitative) on high performance Tunisian firms belonging to two sectors: milk of production and textile
Ahmat, Al Saïd. "Actions et réactions stratégiques des firmes installées face à l’arrivée de plateformes numériques, le cas des écosystèmes d’affaires mobil banking et banques au Tchad." Electronic Thesis or Diss., Reims, 2023. http://www.theses.fr/2023REIME004.
Full textThe objective of the thesis is to draw up recent theoretical contributions on strategic actions and reactions around business ecosystems and partly underpin our research problematic since we are focusing on a new organizational field carried by digital platforms. The particularity of these platforms is characterized by an organizational model based on a cooperative system or on a traditional capitalist system, driven by the search for profit. This research is part of the field of strategy and consists of studying the games of actors, relying more specifically on business ecosystems (abbreviated to ESA), a concept that appeared in the work of Moore (1993, p.76) and is defined as a set of "actors maintaining relationships of coopetition" (Koenig, 2012, p. 210). ESA refers to an economic community of organizations that interact with each other to produce goods and/or services that can create value for customers and for themselves. The ESAs we are studying are grouped around platforms called mobile banking (new entrants) and banking institutions (established firms). The problem that led to our thesis is to understand how the platforms have imposed themselves, by what strategic actions they have managed to make a place for themselves on the market and eventually dominate it. Our research field is Chad and our methodology is based on a qualitative analysis of a case study. The data collected will allow us to retrace the history of events and to study the discourses of the actors involved in the process at work by means of a manual analysis of the corpus. The proposals produced can shed new lighting on the strategic actions of the actors
Melliti, Khaled. "Recherche sur la place de l'hellénisme dans l'évolution socioculturelle et politique de carthage punique (fin Ve s. - 146 av. JC) : actions et réactions." Paris 4, 2006. http://www.theses.paris-sorbonne.fr/melliti/paris4/2006/melliti/html/index-frames.html.
Full textStarting in the fifth century, Carthage met a change that affected every aspect of its culture. Considering numerous Greek artefacts and documentation in Carthage, this change can possibly be attributed to Hellenistic cultural contributions. That is, it appears that this evolution in Carthaginian culture is parallel to that observed in Greek civilisation in reference to cultural trends and the improvement of individual quality of life. Greek thinking and trends were originally introduced into Carthage mainly through the Carthaginian oligarchy, due to their desire to develop political prestige. At the same time as wanting the prestige of Greek culture, however, the oligarchy were also well aware of the danger these contributions could generate: the strong sense of individualism characterised by Greek culture represented a potential threat to central power. As the guardian and mainstay of local tradition, the Carthaginian oligarchy would be driven to deal with this ongoing cultural evolution by maintaining a delicate balance between these new incoming ideas and the Carthaginian traditions - the pillars of their own well established authority. They let in Greek influence while keeping their own traditions, developing a prestigious urban political system and modifying the official pantheon to accommodate private religious practice, the goal of this accommodation being to exert control over individual aspiration. The Hellenistic approach to ideology borrowed by Carthage was a tool that acted as a catalyst for local structural potential. Concerning foreign policy, the threats against the Punic commercial empire in the western Mediterranean, epitomised by the emergence of Roman power, forced Carthage to clarify its political relations with the Greek world: the logistic and technical backing that Carthage received from the Greek world quickly evolved into a desire for an actual political and military alliance. Thus, the Greek experience was sought according to the needs of the powerful oligarchy, that is, the defence of their commercial interests. Hellenism, as envisaged by the members of the Carthaginian oligarchy, seemed therefore to be mainly a search for an equilibrium: on the one hand, the obligations of their political prestige and their search for Greek political and military alliance, and on the other hand the absolute necessity to dismantle all political aspirations that generated individualism born of personal needs, by the strengthening of state structures allowing for the exhibition and continuity of traditional values
Olier, Clarisse. "Réactions de cyclisation impliquant cations de Nicholas et alcènes non activés. Extension aux réaction de Prins et d’aza-Prins." Aix-Marseille 3, 2007. http://www.theses.fr/2007AIX30063.
Full textTerminal alkenes, usually unreactive towards Nicholas cations, were reacted in intramolecular reactions to form 1,3-disubstituted cyclohexanes and cycloheptanes moities. A tandem Nicholas-Prins cyclisation using complexed propargylacetals was developped to form 2,4-disubsituted tetrahydropyrans. In that case, the cobalt complex was used as an alkyne protecting group in order to avoid SN2’ side reactions and enabled to obtain products in high diastereoselectivity. Aza-Prins cyclisations were also investigated. They were successful in very few examples. The complexed alkynylimines isolated during this study were reacted in [2+2] and [4+2] cycloadditions to form azetidinones and 2,3-dihydropyridin-4-ones, respectively. Cycloaddition/Pauson-Khand cascade sequence were also investigated
Naidja, Abdallah. "Action catalytique des argiles de type smectites dans les réactions biochimiques." Mulhouse, 1988. http://www.theses.fr/1988MULH0090.
Full textGomez, fernandez Mario Andres. "Synthèse des composés biologiquement actifs en utilisant des réactions photochimiques." Thesis, Reims, 2018. http://www.theses.fr/2018REIMS009.
Full textIn life sciences, there is a continuos research for new biological active molecules, this is true for both pharmaceultical industry and agrochemical industry. In the last years regulations have become more and more severe. In recent years, the technology for the test of new chemical compounds in industry has considerably evolved. Nowdays it is possible to test a vast number of compounds for the screening of biological activity in a short time. This means that industry is searching for new methodologies that allow the obtention of diverse chemical structures that can present biological activity.In this context, chemical industry, in particular, pharmaceutical and agrochemical industry are interested in the use of photochemical reactions in organic synthesis. Photochemical reactions allow the obtention of a variety of complex structures that are not easily obtained by classical methods. This chemical space has not been completly explored in the search of biological active compounds.In the works presented in this PhD research we first explored the [2+2] photocycloadtion of a carbonyl compound to an olefin, the called Paternò-Büchi reaction. We succesfully applied this reaction to obtain oxetanes wich posses agro-like substituents and key sites for further functionalization, a requirement demanded in industry. We also explored the use of fluorinated olefins in this photoreaction. The results are very promising: we discovered a new family of stable fluorinated oxetanes. These compounds can be used cas molecular scaffolds for the obtention of biological active compounds. At the same time, we discovered a new photochemical reactivity: a Photo-Wittig like reaction. This new reactivity depends on the substitution pattern of the carbonyl group. We hypothesize that the new reactivity depends on the excited state of the carbonyl compound
Andreotti, Bruno. "Action et réaction entre étirement et rotation, du laminaire au turbulent." Paris 7, 1999. http://www.theses.fr/1999PA077004.
Full textThe dynamics of turbulence can be interpreted in terms of interaction between two components : stretching. Which corresponds to a local convergence (or divergence) of streamlines, and rotation. The effect of stretching on rotation is well known : rotation is amplified in a stretching direction and decreased in a compressive direction. The retroaction of rotation on stretching is studied experimentally, considering flows where particular interactions between stretching and rotation are constrained by geometry. The same mechanism of retroaction is observed in three experiments : if stretching amplifies rotation, rotation tends to reduce stretching. This mechanism is linked to the fact that pressure gradient, in a region of disturbed rotation, cannot completely balance centrifugai force. And tends to bring the flow back to a locally two-dimensional state. The action and reaction between stretching and rotation are at the origin of the relative stability of rotation dominated flows in comparison with those domianted by stretching. The instability of an hyperbolic flow is shown and characterised experimentally. Above a threshold £tiven by geometry, an alternats array of vortices aligned in the stretching direction appears. Once these vortices are formed, a réduction of stretching is observed in their core. Symmetrically, the stability of a large Reynolds number stretched vortex is studied by analysing the properties of velocity fluctuations in ifs vicinitv. A depletion of the tendencv to stretching, signature. In turbulence of an energy cascade, is observed. It is shown. As a conclusion, how a prohabilistic reformulation of simple dynamical mechanisms. As those which dominate the interaction between stretching and rotation, may lead to a type of modelling of turbulence dvnamics
Jida, Mouhamad. "Réaction de kulinkovich sur des esters dérivés d'aminoacides naturels et non naturelsApplication à la synthèse de précurseurs potentiels de produits biologiquement actifs." Paris 11, 2008. http://www.theses.fr/2008PA112126.
Full textThis thesis is devoted to the study of the intramolecular Kulinkovich cyclopropanation of esters prepared from natural and unnatural aminoacids. The reactions were performed with Grignard reagents in the presence of catalytic or stoechiometric amounts of titanium isopropoxide. The first chapter shows the scope of the Kulinkovich reaction which allows the transformation of esters into cyclopropanols. The reactions were carried out in both inter and intramolecular modes and are extended to cyclic carboxylic derivatives such as lactones, anhydrides, etc… In the second chapter, we study the regio and stereoselectivity of the cyclopropanation reaction when the starting materials possess two ester functions and a terminal double bond. The glutamate derivative furnished expected fused cyclopropanols while the aspartate derivative only gave unexpected pyrrolidinones. In the third chapter, the intramolecular cyclopropanation applied on other alphaaminoesters afforded expected bicyclic cyclopropanols as a mixture of diastereomers, thus providing an access to enantiomerically pure azabicyclo[3. 1. 0]hexanols. The fourth chapter concerns the reactivity of these alcohols under ring opening conditions. The different azabicyclo[3. 1. 0]hexanols were transformed into dihydropyridinones, pyrrolidinones, piperidones or pyridinols , possible precursors of bioactive products. Application of this methodology allowed the preparation of the (S)-2-phenylpiperidin-3-one , a potent intermediate in the synthesis of pharmacologically significant products (substance P antagonists)
Petit, Frédéric. "Synthèse de lactones optiquement actives par réaction de baeyer-villiger microbiologique." Aix-Marseille 2, 1993. http://www.theses.fr/1993AIX22027.
Full textAlphand, Véronique. "Synthèse de lactones optiquement activés par réaction de Baeyer-Villiger microbiologique." Aix-Marseille 2, 1990. http://www.theses.fr/1990AIX22020.
Full textBooks on the topic "Actions réactions"
Interventions en milieu rural et changement social au Niger: Actions et réactions des femmes. Paris: L'Harmattan, 2013.
Find full textFlavien Bertran de Balanda de Falguière. Bonald: La réaction en action. Aix-en-Provence: Champ d'azur, 2010.
Find full textSomé, Magloire. Christianisation de l'Ouest-Volta: Action missionnaire et réactions africaines, 1927-1960. Paris: L'Harmattan, 2004.
Find full textLa christianisation de l'ouest-Volta: Action missionnaire et réactions africaines, 1927-1960. Paris: L'Harmattan, 2004.
Find full text1953-, Croasmun William R., and Carlson, Robert M. K., 1949-, eds. Two-dimensional NMR spectroscopy: Applications for chemists and biochemists. New York, N.Y: VCH, 1987.
Find full textJ, Lagowski J., ed. Marvels of the molecule. New York, N.Y: VCH, 1987.
Find full text1943-, Nakajima Tsuyoshi, and Groult Henry, eds. Fluorinated materials for energy conversion. Amsterdam: Ms. C. Kreinz, 2005.
Find full textEdenborough, Michael. Organic Reaction Mechanisms: A Step by Step Approach. Taylor & Francis Group, 1998.
Find full textEdenborough, Michael. Organic Reaction Mechanisms. Narosa Publishing House, 2002.
Find full textEdenborough, Michael. Organic Reaction Mechanisms: A Step by Step Approach, Second Edition. Taylor & Francis Group, 2017.
Find full textBook chapters on the topic "Actions réactions"
Coppin, Marc. "Actions et réactions locales." In La Côte d’Opale en guerre d’Algérie 1954-1962, 97–126. Presses universitaires du Septentrion, 2012. http://dx.doi.org/10.4000/books.septentrion.47792.
Full textSarrazin-Auriol, Corinne. "Actions et réactions de l'école face à la délinquance." In Les Centres éducatifs renforcés, 95–107. Érès, 2007. http://dx.doi.org/10.3917/eres.puyue.2007.01.0095.
Full textBRETON, Justine. "Comprendre les épidémies des séries arthuriennes au regard de la pandémie de 2020." In Les épidémies au prisme des SHS, 45–54. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5989.
Full textDrąg, Zbigniew. "Les stratégies de la vie quotidienne des agriculteurs polonais." In Sociologie des mondes ruraux en Pologne et en France : terrains et études. Wydawnictwo Uniwersytetu Łódzkiego, 2023. http://dx.doi.org/10.18778/8331-165-4.06.
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