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Le malaise des enseignants, les difficultés de recrutement ou encore la désillusion des contractuels, autant de thèmes désormais familiers du paysage politico-médiatique comme de la recherche en sciences humaines et sociales, ne sont que les symptômes d'une crise profonde qui affecte nos sociétés -? celle de l'éducation ? -, dans la mesure où elle paraît remettre en cause notre capacité à "? prendre soin, préserver et admirer les choses du monde ? " ainsi que le soulignait Hannah Arendt.Avec son sixième ouvrage, Nedjib Sidi Moussa propose un récit singulier et sensible, à rebours des plaidoyers lénifiants pour une école postmoderne ou des complaintes anxiogènes sur les territoires abandonnés de la République. Dans ce journal de bord, rédigé à chaud, les lecteurs suivront les pérégrinations d'un professeur contractuel nommé dans un collège de la banlieue parisienne afin d'apprendre aux enfants des classes laborieuses l'histoire et la géographie -? sans oublier l'enseignement moral et civique.En passant du rire aux larmes et de la compassion à la révolte, Le Remplaçant offre une chronique saisissante de la France macronienne. C'est le portrait d'une société déconfinée qui se prépare à réélire un président impopulaire tandis que l'on commémore le soixantième anniversaire de l'indépendance algérienne. Mais ce livre raconte aussi l'histoire d'une jeunesse perdue, celle d'un fils d'ouvrier à l'orée de ses quarante ans, celle d'un ancien sorbonnard durablement installé dans le précariat.
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Materials. --- Materials. --- Substitute products. --- Substitute products.
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"One of the recurring themes in the sustainability literature has been the legitimacy of using an economic framework to account for natural resources. This paper examines the potential for substituting between different inputs in the generation of income, where the inputs include natural resources such as land and energy resources. A nested constant elasticity of substitution (CES) production function is used to allow flexibility in the estimated elasticities of substitution. Also, with this specification, natural resources and other inputs are combined in different levels of the function, thus allowing for different levels of substitutability. Institutional and economic indicators are also incorporated in the production function estimated. Results show that the elasticities derived from functions involving land resources were generally around one or greater, implying a fairly high degree of substitutability. Furthermore, changes in trade openness and private sector investment have a statistically significant and direct relationship with income generation. No statistically significant relationship between income and any of the institutional indicators was found. "--World Bank web site.
Natural resources. --- Substitute products. --- Substitution (Economics)
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"One of the recurring themes in the sustainability literature has been the legitimacy of using an economic framework to account for natural resources. This paper examines the potential for substituting between different inputs in the generation of income, where the inputs include natural resources such as land and energy resources. A nested constant elasticity of substitution (CES) production function is used to allow flexibility in the estimated elasticities of substitution. Also, with this specification, natural resources and other inputs are combined in different levels of the function, thus allowing for different levels of substitutability. Institutional and economic indicators are also incorporated in the production function estimated. Results show that the elasticities derived from functions involving land resources were generally around one or greater, implying a fairly high degree of substitutability. Furthermore, changes in trade openness and private sector investment have a statistically significant and direct relationship with income generation. No statistically significant relationship between income and any of the institutional indicators was found. "--World Bank web site.
Natural resources. --- Substitute products. --- Substitution (Economics)
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Asbestos substitutes --- Asbestsubstituten --- Succédanés d'amiante --- Substitute products --- Asbestos substitutes.
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This book presents state-of-the-art coverage of synthesis of advanced functional materials. Unconventional synthetic routes play an important role in the synthesis of advanced materials as many new materials are metastable and cannot be synthesized by conventional methods. This book presents various synthesis methods such as conventional solid-state method, combustion method, a range of soft chemical methods, template synthesis, molecular precursor method, microwave synthesis, sono-chemical method and high-pressure synthesis. It provides a comprehensive overview of synthesis methods and covers a variety of materials, including ceramics, films, glass, carbon-based, and metallic materials. Many techniques for processing and surface functionalization are also discussed. Several engineering aspects of materials synthesis are also included.
Synthetic products. --- Chemistry, Technical --- Commercial products --- Chemurgy --- Substitute products
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"An overview of the science of plastics, what makes them a desired material choice, why they are harmful to humans, animals, and the environment, and how we can replace them."
Environmental protection. Environmental technology --- Plastics --- Plastic scrap --- Substitute products
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Chemistry, Technical --- Chemistry, Technical. --- Chemistry. --- Chemistry. --- Chemistry. --- Chimie. --- Substitute products --- Substitute products. --- Synthetic products --- Synthetic products. --- chemistry.
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