Relevant bibliographies by topics / Exposition à la nature

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Exposition à la nature'

Author: Grafiati
Published: 21 December 2024

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Journal articles on the topic "Exposition à la nature"

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Ramade, Bénédicte. "Can Man Survive? (1969). Exposer un avenir écologique funeste." Transbordeur 8 (2024): 100–111. http://dx.doi.org/10.4000/12gy1.

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En 1969, le musée américain d’histoire naturelle de New York célébra son centenaire avec une exposition multimédia uniquement constituée d’images photographiques et filmiques qui, plutôt que de mettre en avant l’exceptionnalisme de la nature du pays, documentaient sur un ton dénonciateur et alarmiste la pollution de l’eau et de l’air, la surpopulation et la dégradation globale des conditions de vie sur terre. Can Man Survive? fut à l’affiche du musée jusqu’en mai 1971 avec une scénographie inspirée par les expositions universelles et la télévision, se distinguant de l’iconographie de la défense de la nature jusque-là en vigueur. En reconstituant l’expérience de visite de cet objet expographique à partir de comptes rendus d’époque et de l’examen d’images du catalogue, puis en le comparant avec les stratégies de diffusion d’une organisation de protection des espaces sauvages et des ressources comme le Sierra Club, on peut comprendre la rupture iconographique et idéologique que représente cette exposition paradoxalement tombée dans l’oubli.
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Miller, Kiri. "Americanism Musically: Nation, Evolution, and Public Education at the Columbian Exposition, 1893." 19th-Century Music 27, no. 2 (2003): 137–55. http://dx.doi.org/10.1525/ncm.2003.27.2.137.

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The Columbian Exposition (the World's Fair in Chicago, 1893) was intended to represent the entire progress of human history, with American civilization as its culminating triumph. The Exposition celebrated the four-hundredth anniversary of Columbus's discovery of the New World; it restaged that discovery in myriad ways: from the display of ““savage races”” on the Midway to the construction of an emergent American middle class as civilization's newest noble savages, hungry for education. Music was an integral part of the Exposition. America's musical elite took an active role in the fair's promotion and design. The Exposition also stimulated a flood of writing on the nature and future of ““truly American”” music. This article examines American musical culture at the Exposition, with attention to music as art, science, and commerce three categories at the heart of the Exposition's formal definition of music. The network of mutual reinforcements, contradictions and the related concepts of nation, race, and evolution has powerful implications for the ensuing history of music in America. Analysis of the educational agenda of music at the Exposition suggests it taught its visitors--5 to 10 percent of the American population--a great deal about race, class, nationhood, and their identity as consumers. Reading the musical criticism, speculative philosophy, and patriotic grandstanding that accompanied the fair shows how musical thought of the day relied on evolutionary theory.
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T. Szabó, Levente. "International Exhibitions, Literary Capitalism, and the Emergence of Comparative Literature." Journal of World Literature 7, no. 3 (September 9, 2022): 332–47. http://dx.doi.org/10.1163/24056480-00703003.

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Abstract The invention of international fairs in the 19th century revolutionized both nationalism and modern thinking on global relationships since they showcased but also contested and negotiated national, imperial, and global identities. From the Great Exhibition at Crystal Palace to the 1900 Paris Exposition, the international fairs / expositions universelles were landmarks of histoire croisée of nationalism, global thinking, and capitalism. Even though they seem to be showcasing industrial progress, they also created a completely new frame for the self-fashioning, vindication, and negotiation of national arts and literatures, interpreted in a global setting and in capitalist terms. I propose to explore the pattern and experience of the 19th-century international fair / exposition universelle as an important frame for the emerging modern transnational literary scene, fueling major debates on the nature of nationalism, cosmopolitanism, and capitalism.
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Van Zanten, Leonard None. "Wave Nature." JOURNAL OF ADVANCES IN PHYSICS 11, no. 2 (November 18, 2015): 3050–80. http://dx.doi.org/10.24297/jap.v11i2.536.

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This essay provides evidence that light and other such waves never at all travel on a continues sine formation, and that at no time these are produced at their full frequency. With further evidence that the dispersion of light is never at all by any change in velocity but by incidence only, and that all waves exist by half-lengths only. And in order to do it justice my exposition became rather lengthy, I therefore beg your patience to bear with me to the end. This issue then may prove to be a giant step forward in the knowledge of fundamentals.
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Sessions, John G. "An Exposition on the Nature of the Wage Curve." Scandinavian Journal of Economics 95, no. 2 (June 1993): 239. http://dx.doi.org/10.2307/3440409.

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Sun, Yao. "Expositional discourse and its narrative function in the short prose of I.S. Turgenev." Филология: научные исследования, no. 5 (May 2023): 33–41. http://dx.doi.org/10.7256/2454-0749.2023.5.40855.

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The author explores the expositional discourse and its narrative function in the prose of I.S. Turgenev. The analysis of the lyrical beginning is given as the reason for the special Turgenev exposition, which is a manifestation of the horizons and value consciousness of the author-narrator. It is noticed that it is in lyrical descriptions that the subjective space of the narrator is formed. In Turgenev's prose, there are stories in which the exposition is based on similarities with poems in prose. In such texts, the exposition is only indirectly related to the further development of the plot. It often represents a closed system and functions at the level of metatext and meta-discourse. At this level, the lyrical introduction is designed to affect the spiritual space of the reader. The novelty of the study is given by the conclusions made regarding the cycle "Notes of the hunter". According to them, I.S. Turgenev also has such introductions to the main narrative that do not fit into the "canon". In the stories "Bezhin Meadow", "Date" and others, the exposition implements a specific strategy of the author's narrative. It is as if it is not provided for by the further development of the plot and is a pure product of lyrical and philosophical contemplation of nature. It is a reflection of the subjective perception of the hero-narrator. On its basis, an idea of the world and space belonging to the innermost side of the spiritual personality of the writer is formed. The natural images in the exposition part of the stories are artistically comprehended in the categories of "eternity", opposing the "temporary" plan of human existence.
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Yin, Xinwei, Tong Wang, Lianghai Lv, Baoqian Dai, and Yu Wang. "Discussion on Operation Risk Analysis and Emergency Management Construction of Urban Large-scale Horticultural Exposition." E3S Web of Conferences 253 (2021): 03071. http://dx.doi.org/10.1051/e3sconf/202125303071.

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With the development of society, the urban large-scale horticultural exposition has increasingly become one of the manifestations of enriching people's lives, but the issue of safety management has always been an important research topic. Taking Beijing World Horticultural Exposition as an example, this paper systematically analyzes the operation risk of large-scale horticultural exposition, and expounds on the characteristics of possible risks of the world horticultural exposition from the perspective of the existing nature of risks, and puts forward the construction plan of perfecting the responsibility system of emergency management. It aims to provide a theoretical reference for the operation risk analysis and emergency management of large-scale horticultural fairs.
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Charpentier, Angèle, and Anne-Gaëlle Rossignol. "Exposition : La nature dans les espaces périurbains français et russes." Géographes associés 25, no. 1 (2001): 125–31. http://dx.doi.org/10.3406/geoas.2001.2198.

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Wolfson, Murray. "The Transformation Problem: Exposition and Appraisal." Journal of the History of Economic Thought 12, no. 2 (1990): 179–95. http://dx.doi.org/10.1017/s1053837200001723.

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Every theory of value has to perform certain tasks. In the narrowest sense, it must explain ratios of exchange on the market. But it must also give an account of social costs and benefits, and their distribution among individuals and groups. Value theory must relate human beings to the physical and biological realities. It must explain the relations between persons and groups. In fulfilling all these tasks, value theory reflects philosophical beliefs about how human beings perceive and react to nature and to each other.
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Alawiah, Ismi Saumi, Eli Syarifah Aeni, and Restu Bias Primandhika. "PENERAPAN HANDOUT ELEKTRONIK BERBASIS CANVA TERHADAP PEMBELAJARAN MENGANALISIS TEKS EKSPOSISI KELAS VIII." Parole : Jurnal Pendidikan Bahasa dan Sastra Indonesia 6, no. 4 (July 7, 2023): 303–14. http://dx.doi.org/10.22460/parole.v6i4.17976.

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21st century learning has criteria that integrate with technology. One of the efforts to use technology in learning is to use teaching materials. Electronic teaching materials can be an alternative for educators, students, and schools. Its flexible nature makes it easier for learning activities. The This study's goals were to: (1) describe how electronic handouts are used with exposition text content and (2) determine whether using electronic handouts helps students learn exposition texts. In this inquiry, the descriptive qualitative method was used information gathered by answering a questionnaire. The study's conclusions suggest that electronic handouts made with Canva are useful for studying exposition materials. This was obtained through the results of a questionnaire, namely as many as 91.2% of students agreed and strongly agreed on the usefulness of Canva-based electronic handouts in analyzing exposition texts.
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Dissertations / Theses on the topic "Exposition à la nature"

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Brine, Judith M. C. "The nature of public appreciation of architecture : a theoretical exposition and three case studies /." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phb858.pdf.

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Perreau-Saussine, Amanda Claire Radegund. "Natural law with gloves on : a critical exposition of John Finnis's natural law theory." Thesis, University of Cambridge, 2002. https://www.repository.cam.ac.uk/handle/1810/251851.

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Hefti, Manuel. "Nature urbaine et bien-être : analyse des processus psychologiques entre réalité et immersion virtuelle." Electronic Thesis or Diss., Nantes Université, 2024. http://www.theses.fr/2024NANU2011.

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Le changement climatique et l'urbanisation accroissent la vulnérabilité des villes. La (ré)intégration de la nature peut atténuer ces effets en renforçant le bien-être à travers des mécanismes comme la biophilie, la restauration de l’attention, la réduction du stress, et la connexion à la nature. Cette thèse vise à confirmer les effets de la nature urbaine sur le bien-être, explorer les processus psychologiques associés, analyser les impacts psychophysiologiques, et évaluer l'influence des spécificités environnementales à travers trois études auprès de citadins. La première étude, avec 479 participants, montre que la qualité et la quantité perçues de nature urbaine augmentent les affects positifs, surtout chez ceux ayant une forte connexion à la nature. La deuxième étude, menée avec 104 participants en réalité virtuelle (RV) utilisant des vidéos à 360°, montre que des environnements plus naturels réduisent l’effort cognitif, comme le suggèrent les mouvements oculaires. La troisième étude, impliquant 83 participants en RV, compare un environnement urbain standard à une version enrichie en nature après une tâche stressante. Elle associe des mesures subjectives et objectives (variabilité de la fréquence cardiaque et conductance électrodermale) du stress, tout en mettant en lumière l'importance du sentiment de présence pour maximiser les bienfaits des expériences en RV. Les résultats montrent que la nature urbaine améliore le bien-être, bien que ses effets sur l’attention et le stress soient nuancés. La discussion met en avant l'importance de la nature pour atténuer les impacts du changement climatique et l’utilité de la RV dans la recherche en psychologie environnementale
Climate change and urbanization increase the vulnerability of cities. The (re)integration of nature can mitigate these effects by enhancing well-being through mechanisms such as biophilia, attention restoration, stress reduction, and a sense of connectedness to nature. This thesis aims to confirm the effects of urban nature on well-being, explore the associated psychological processes, analyze psychophysiological impacts, and assess the influence of environmental specifics through three studies involving city dwellers. The first study, involving 479 participants, shows that perceived quality and quantity of urban nature increase positive affects, especially among those with a strong connectedness to nature. The second study, conducted with 104 participants using 360° virtual reality (VR) videos, reveals that more natural environments reduce cognitive effort, as indicated by eye movements. The third study, with 83 participants in VR, compares a standard urban environment to a nature-enriched version after a stressful task. It combines subjective and objective measures (heart rate variability and electrodermal conductance) of stress, highlighting the importance of the sense of presence to optimize the benefits of VR experiences. The results demonstrate that urban nature enhances well-being, although its effects on attention and stress are more nuanced. The discussion highlights the importance of nature in mitigating the impacts ofclimate change and the usefulness of VR in environmental psychology research
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Jordi, Rupert Benjamin. "Re-presenting layers of history in the "natural landscape": an architectural exposition of the Silvermine Reservoir." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/22758.

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The story of how a particular place came to be is more than the knowledge of a chronology of events; it is intimately part of our experience of that place. By knowing even a little of the history of a place, our perception of that place is transformed. In Historical Ground, John Dixon Hunt uses the term historical ground to refer to the notion that memories, tales, myths, and historical artefacts adhere to a place. The question Hunt then asks is how an existing site, and its tales, may be told through the medium of architecture, or landscape architecture. The idea that each site accumulates histories which may be revealed through architecture, is the basis for my own investigation. In the context of the Cape Peninsula mountain range, I am interested in seeking out and revealing particular historical narratives through the medium of architectural intervention. This report traces the journey of my design research project from my broader interests in the history of the mountain range; through the clarification of my architectural intentions; to my initial siting and programming strategies; and finally to my first ideas about making architecture in this context. I would describe this process as one of walking, finding, linking, and ultimately responding. This report introduces several key elements which underpin my research project. These elements (or layers) are: mountain (my general site of inquiry); pathways (how movement is linked to memory and meaning); earth (a technical study of the encounter between earth and architecture); fire (and its effects on the landscape); water (a resource with a story); and the wall (an historical piece of infrastructure). Each of these elements guides the reader through my research process and highlights certain found histories and artefacts along the way. As each element is presented, my research hones in on one particular place in the landscape, which is ultimately the site of my design investigation. This site, with the addition of a final artefact (a found brief), becomes the site of an architectural proposition which seeks to engage and link all of these elements together.
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Mao, Gwladys. "Estimation des coûts économiques des inondations par des approches de type physique sur exposition." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1192/document.

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Les travaux de cette thèse se situent dans le cadre de l'élargissement du périmètre des impacts estimés par le modèle inondation de la Caisse Centrale de Réassurance (CCR). Le premier chapitre nous a permis de comprendre les différents impacts d'une inondation, leurs interdépendances et d'en conclure une classification des impacts. A partir de cela, nous proposons un modèle global construit par chaînage de modélisation des impacts où les outputs des différents modèles servent d'inputs pour les modèles suivants. Cette démarche permettra d'avoir une répartition des impacts par poste et une compréhension des effets en cascade des dommages directs vers les effets macro-économiques. Le chapitre 2 s'intéresse à la modélisation des dommages aux véhicules sous le cahier des charges de CCR. Les différentes conditions à respecter sont : la modélisation pour le péril inondation seul et du risque automobile seul, la modélisation pour un événement particulier et pour la charge totale annuelle. L'étude de ce risque, nous a permis de décrire, d'implémenter, d'identifier les problèmes et possibles améliorations de différentes approches de modélisation, à savoir : - une régression linéaire, la méthodologie aujourd'hui utilisée par CCR, - une modélisation fréquence x sévérité associée à la théorie des valeurs extrêmes, très utilisée dans le monde de l'assurance, - une modélisation physique sur exposition, démarche déjà adoptée à CCR pour les dommages au bâti. Nous nous sommes donc appuyés sur le modèle d'aléa inondation CCR et avons développé les modules de vulnérabilité et de dommages propres à ce risque. CCR étant chargée de la gestion comptable et financière du Fonds National de Gestion des Risques en Agriculture pour le compte de l'Etat, les travaux se sont poursuivi, dans le chapitre 3, par la modélisation du risque agricole. A partir d'un état de l'art sur la modélisation des conséquences agricoles des inondations, une modélisation de ce risque est proposée et implémentée. Le modèle s'intègre dans la démarche de modélisation physique sur exposition développée à CCR. Le travail a porté sur le développement des modules de vulnérabilité et de dommages spécifiques à l'agriculture. Le modèle de vulnérabilité a été développé à partir du registre parcellaire graphique et le module de dommages a été développé à partir des courbes de dommages à l'agriculture développées par le groupe de travail national Analyse Multi-Critères inondation à travers les travaux de l'IRSTEA. Le modèle d'aléa utilisé est le modèle développé par CCR depuis 2003. Le dernier chapitre est pensé comme une base technique pour CCR afin de pouvoir continuer les travaux d'élargissement du périmètre des impacts modélisés. Tout d'abord, un état des lieux des travaux réalisés (risques automobile et agricole) et en cours (pertes d'exploitations consécutives à un dommage direct) est réalisé et replacé dans le contexte de la modélisation globale des impacts proposée à CCR. Pour les impacts non traités, nous présenterons les problématiques de modélisation, un court état de l'art et les conclusions que nous en avons tirées en terme de modé
This research was conducted within the framework of the Caisse Centrale de Réassurance's (CCR) R&D objective - to widen the scope of impacts estimated by its flood impact model. In chapter one, we study the various impacts of a flood and their interdependencies in order to create a classification of impacts. This classification allows us to design the architecture of a global impact model built from linking specific impacts models where the outputs of one model are the inputs of the following one. This approach generates an estimation with a breakdown by type of impact. It also allows us to understand the domino effects from the direct damage to the macroeconomic impacts. In chapter two, we study models for car damages according to CCR's specifications. The requirements are: the model should be independent from other natural catastrophes and impacts estimations and it should be able to model both a specific event and the total annual load. Through this work we describe, implement, and identify issues with possible improvements of three modelling approaches: - a simple linear regression, CCR's presently used method, - a frequency x severity model associated to the extreme value theory, widely used in the insurance business sector, - a model that pairs a physical model with exposure through damage curves. CCR already uses this approach to estimate damage to buildings. Hence, we are using CCR's flood hazard model and develop an exposure model and a damage model specific to cars. CCR is in charge of the accounting management of the Agricultural National Risk Management Fund on behalf of the State. Hence, chapter three contains state of the art modeling solutions for this risk and description of the designed model and its implementation. A vulnerability model and a damage model specific to the agricultural risk are developed and paired with CCR's flood hazard model. The vulnerability model uses the Graphic Parcel Register database. The damage model is based on the damage curves developed by IRSTEA for the national think tank on flood cost-benefit analysis. Chapter four is a technical document that will allow CCR to continue the development of the global model. It presents a situational analysis of what has been done (cars and agricultural risks) and of ongoing works (business interruption due to direct damage). For the remaining impacts, it presents the modeling issues, a short research review and the conclusions reached in terms of modeling
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St-Hilaire, Marie. "Chémoréflexes laryngés en période néonatale influence de la prématurité et d'une exposition post-natale à la fumée secondaire." Thèse, Université de Sherbrooke, 2010. http://savoirs.usherbrooke.ca/handle/11143/4291.

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Les reflux laryngo-pharyngés acides, très fréquents en période néonatale, sont la remontée du contenu gastrique jusqu'au niveau du pharynx. Le contact entre un liquide (ex : liquide gastrique acide) et le larynx déclenche chez un nouveau-né à terme et en santé des mécanismes de défense (toux, déglutition, réaction d'éveil) appelés chémoréflexes laryngés, dont l'objectif est d'empêcher l'aspiration dans la trachée. Malheureusement, chez certains nouveau-nés, le contact entre le liquide et la muqueuse laryngée déclenche des réflexes délétères comprenant des apnées, des bradycardies et désaturations. Ces réflexes délétères sont impliqués dans les apnées du prématuré, les malaises graves du nourrisson et probablement dans certains cas du syndrome de mort subite du nourrisson.Les observations cliniques suggèrent que certaines conditions néonatales, dont la prématurité et une exposition post-natale à la fumée secondaire, favorisent la survenue de ces réflexes délétères. Ainsi, mon projet de doctorat consiste à étudier l'influence de la prématurité et l'influence d'une exposition à la fumée secondaire sur les CRL chez l'agneau nouveau-né. L'influence de la prématurité a été effectuée en utilisant un modèle d'agneau prématuré à 132 jours de gestation (terme = 147 jours). L'influence d'une exposition à la fumée secondaire post-natale, a, quant à elle, été effectuée en utilisant un modèle d'agneau exposé à la fumée secondaire durant les 16 premiers jours de vie à raison de 20 cigarettes/jour. Dans chaque étude, les agneaux ont été instrumentés pour enregistrer l'activité du muscle constricteur du larynx (muscle thyroaryténoidien), l'électroencéphalogramme, la fréquence cardiaque, la respiration et la saturation. Un cathéter supra-glottique a été utilisé pour l'injection de 0.5 ml de différentes solutions (modèle de prématuré : injection de sérum physiologique, d'eau distillée et HCl, pH 2; modèle d'exposition à la fumée secondaire : injection de sérum physiologique, d'eau distillée, HCl pH 2, lait) durant les différents stades de conscience. Le modèle d'agneau prématuré a permis de démontrer qu'une stimulation laryngée soit par l'eau distillée ou HCl à 7 jour post-natal induit des apnées prolongées, des bradycardies et des désaturations, lesquels sont potentiellement dangereuses. À l'inverse, une stimulation laryngée à 14 jours post-natals n'induit pas d'évènement cardiorespiratoire cliniquement significatif. Le modèle d'exposition à la fumée secondaire a, quant à lui, permis de démontrer qu'une exposition post-natale à la fumée secondaire induit une inhibition cardiorespiratoire plus importante et diminue les mécanismes de protection suite à une stimulation laryngée. Par contre, aucune stimulation n'entraîne d'évènement pouvant mettre en péril la vie de l'agneau. En conclusion, la survenue de réflexe potentiellement dangereux suite à une stimulation laryngée semble survenir en présence de certaines conditions néonatales. La prématurité semble être une de ces conditions.Les évènements potentiellement dangereux observés chez les agneaux prématurés montrent que les CRL sont probablement impliqués dans la pathogénèse des apnées/bradycardies du prématuré, phénomène fréquemment retrouvés en clinique. Quant à l'exposition à la fumée secondaire, elle est une condition néonatale qui modifie les réflexes obtenus suite à une stimulation laryngée sans induire de réflexes potentiellement dangereux.Les modifications observées suggèrent fortement que la fumée secondaire est un facteur de risque des malaises inopinés du nouveau-né et du syndrome de mort subite du nourrisson.
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Dewaele, Aurélie. "Effet d'une exposition odorante pré et post-natale sur le développement des préférences médiées par l'olfaction chez la souris - Mécanismes de neuromodulation." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLA013/document.

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Chez les mammifères, le système olfactif principal est fonctionnel dans le dernier tiers du stade gestationnel. Le fœtus est donc capable de détecter avec sensibilité, discriminer, et mémoriser les odorants présents dans le liquide amniotique dans lequel il baigne. Chez le rongeur, ces odorants mémorisés in utero sont fondamentaux pour la survie du nouveau-né à la naissance en lui permettant de s’orienter vers la mamelle et de déclencher la tétée. Par la suite, ces odorants vont guider le nouveau-né dans ses choix olfactifs et alimentaires et favoriser ses apprentissages ultérieurs. Or, on sait que l’alimentation de la mère fait varier les clés olfactives des fluides biologiques (liquide amniotique, lait) et donc modifie la nature des sources olfactives rencontrées par le fœtus, puis le nouveau-né dans la période périnatale. Dans le but d’évaluer l’impact d’une exposition odorante périnatale sur le fonctionnement et la maturation du système olfactif en relation avec le développement de préférences médiées par l’olfaction et la modulation du stress au moment du sevrage, nous avons mis en place un modèle d’exposition odorante périnatale via l’alimentation maternelle dans une lignée transgénique murine exprimant le récepteur olfactif I7 couplé à une protéine fluorescente, dont l’odorant préférentiel est l’heptanal. Après validation de la présence d’heptanal dans le liquide amniotique et le lait de ces souris par GC-MS-MS, nos résultats montrent que l’exposition périnatale à l’heptanal entraine une augmentation significative du nombre de glomérules I7 présents au niveau du bulbe olfactif à PN12 par rapport aux animaux contrôles sans modification notable de l’homéostasie tissulaire ou de la transcription du gène I7 au niveau de la muqueuse olfactive. Ce changement structural important au niveau des projections axonales du bulbe olfactif s’accompagne d’un faible effet sur le comportement olfactif des souriceaux dont les capacités de discrimination ne sont que très faiblement améliorées par rapport aux souriceaux non exposés. A PN21, l’effet de l’exposition odorante sur le nombre de glomérules I7 est atténué, mais reste significatif. A ce stade, les souriceaux odorisés montrent une attraction olfactive pour l’heptanal par rapport au groupe contrôle non exposé, bien que l’effet sur un choix entre aliment odorisé ou pas soit plus contrasté. D’un point de vue moléculaire, ces effets sont associés à une diminution de l’expression du récepteur I7, et de gènes de la signalisation neuronale pouvant traduire une modification de la dynamique cellulaire. Et comme le montrent les résultats obtenus en électro-olfactogramme à cet âge, la sensibilité de la muqueuse olfactive vis-à-vis de l’heptanal est diminuée alors qu’elle ne l’est pas pour d’autres composés odorants. Ces travaux montrent que l’exposition périnatale à un odorant s’accompagne d’effets précoces sur le système olfactif qui impactent son organisation et d’effets sur les choix olfactifs qui se renforcent au cours du développement. Enfin, l’effet d’une exposition périnatale à l’heptanal sur la réponse à des conditions stressantes après séparation maternelle au moment du sevrage a été évaluée en enregistrant des souriceaux CD1 élevés dans les mêmes conditions d’odorisation que les souriceaux mI7-GFP adoptés, en open-field odorisé ou non. Nous avons montré que la réaction de stress des souriceaux à PN21, exposés en périnatal à l’heptanal, dans l’open field, est atténuée lorsque l’heptanal est présent dans l’environnement, comparé à la réaction des souriceaux non exposés qui affichent un comportement d’anxiété. Dans l’ensemble, cette étude a donc permis de mettre en évidence les conséquences en terme d’effets comportementaux (préférences médiées par l’olfaction et diminution du stress), structuraux et moléculaires, d’une exposition odorante périnatale chez le jeune, à l’aide d’une lignée transgénique pour laquelle nous disposions de peu de données
In mammals, the main olfactory system displays all the structural and functional characteristics at the last third of the gestational stage. Thus, the fetus is able to detect, to discriminate, but also to memorize the odorants present in the amniotic fluid in which it bathes. In the rodent, these odors memorized in utero are fundamental for the survival of the newborn at birth by allowing it to trend itself towards food sources. Afterwards, odorants are guiding the newborn to olfactory and food choices and are promoting subsequent learning. It is known that the mother's diet varies the olfactory keys of the biological fluids (amniotic fluid, milk) and thus modifies the nature of the olfactory sources encountered by the fetus and then the newborn in the perinatal period. The neuroanatomic and functional consequences of this impregnation are the subject of recent studies. The objective of this thesis was to characterize the effects of perinatal odor exposure on the maturation and functioning of the olfactory system in relation to the development of olfactory preferences and to a stressing challenge at weaning. For that, we set up a model of perinatal odor exposure through maternal feeding in the mI7-GFP murine transgenic strain expressing the olfactory receptor I7 coupled with the Green Fluorescent Protein (GFP). We evaluated the neuroanatomic, molecular and behavioral consequences on the pups before weaning, and their evolution over time by focusing our efforts on the postnatal stages 3 (PND3), PND12-14 and PND21. Due to the fragility of the transgenic strain, we worked on mI7-GFP mice pups crossfostered by CD1 mice mothers raised under the same conditions after having validated the presence of heptanal in the amniotic fluid of mI7-GFP mice and the milk of CD1 mice by GC-MSMS. We characterized the effects of perinatal odor exposure on the maturation and functioning of the olfactory system in relation to the olfactory preference until weaning (mI7-GFP mice pups under CD1 adoptive mothers) and on the stress reaction to maternal separation at weaning (CD1 mice pups under biological mother). Our results show that perinatal exposure to heptanal leads to a significant increase in the number of I7 glomeruli in the olfactory bulb (OB) associated to a slight modification of the tissue homeostasis in the olfactory mucosa (OM) and to subtle differencies in heptanal sensitivity and preferences, that are amplified at PND21. From a molecular point of view, these effects are associated to a down-regulation of the expression of the I7 receptor and genes of neuronal signaling and an odorantspecific decrease in EOG response which may highlight a modification of the cellular dynamics. Finally, the effect of perinatal exposure to heptanal on the response to stressing conditions after maternal separation was assessed by recording CD1 mice pups grown under the same conditions than fostered mi7 mice on odorized and non odorized open-field. We showed that the reaction of odorized mice in the open field at PND21 is attenuated when the odorant is present in the environment, compared to non odorized mice that display anxiety-like behavior. Overall, this study demonstrates the consequences of a perinatal odorant exposure in the young, in terms of behavior (olfactory preference and anxiety), structural and molecular plasticity of the olfactory system, on a transgenic strain for which we had little available data
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Reisiger, Anne-Ruth. "Pathologie du système de récompense : effets à long terme d’une exposition chronique à la nicotine et au sucrose." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR14870/document.

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La prise volontaire de nicotine augmente l'excitabilité de la voie ILCx-BNST, entraînant une hyperactivité des neurones DA de l’ATV. Dans une première partie, l'objectif était d’étudier les neuroadaptations de la voie ILCx-BNST induites par l'auto-administration intraveineuse (AAIV) de nicotine. Les récepteurs cannabinoides CB1 contrôlent les propriétés renforçantes de la nicotine. Par conséquent, nous avons examiné le rôle des récepteurs CB1 du BNST. Nous montrons que l'acquisition de l’AAIV de nicotine est associée à une facilitation persistante de l'induction d’une potentialisation à long terme (LTP) CB1-dépendantes des synapses ILCx-BNST. La stimulation électrique du ILCx favorise également la persistance du comportement de recherche de nicotine pendant les périodes où la drogue n'est pas disponible. En outre, en utilisant la pharmacologie intra-BNST, nous montrons que la stimulation des récepteurs CB1 du BNST au cours de l’acquisition de lAAIV augmente la sensibilité aux stimuli associés à la nicotine. L’idée qu’il existe un appétit incontrôlable pour les aliments palatables, en dépit des conséquences négatives. Dans une seconde partie, notre projet a porté sur le rôle des neurones dopaminergiques (DA) de l’ATV dans la perception d’un stimulus aversif chez l’animal exposé au sucrose. Nos résultats indiquent que le sucrose augmente l'activité spontanée des neurones DA de la VTA. En outre, si un choc électrique provoque une inhibition presque complète de l'activité de VTA neurones DA chez les rats témoins, le sucrose perturbe la signalisation d'un stimulus aversif, indépendamment de l’état calorique du rat
Learning mechanisms associated with active responding for nicotine enhanced the excitability of the ILCx-BNST pathway. The objective of this project was to better understand the involvement of the ILCx-BNST pathway in nicotine self-administration. Since the endocannabinoid system controls nicotine reinforcement and nicotine-induced synaptic modifications, we examined the role of CB1 receptors in the BNST. We showed that acquisition of nicotine IVSA was associated with a persistent facilitation of LTP induction at ILCx-BNST synapses. Behaviorally, electrical stimulation temporarily increased excessive responding to nicotine when nicotine was not available. Moreover, using intra-BNST pharmacology, we revealed that stimulation of BNST CB1 receptors enhanced sensitivity to nicotine-paired cue. In contrast, after a prolonged history of nicotine intake, it blocked drug-seeking in a reinstatement model of relapse. Drug addiction is partly due to the inability to stop using despite negative consequences. The hypothesis that palatable food induces similar uncontrolled consumption is becoming more widespread. As drug addiction is known to increases activity of VTA DA neurons, we aimed to examine whether exposure to sucrose would induce similar neuronal modifications and impair the capacity to respond to an aversive stimulus. We found that sucrose enhanced spontaneous activity of DA VTA neurons. In addition, while a footshock caused a nearly complete inhibition of activity of VTA DA neurons in control rats, sucrose disrupted signaling of an aversive stimulus. These modifications were independent from the caloric state of the rats
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Dufour, Diane. "Implication du système sérotoninergique dans l'autisme : étude de marqueurs centraux (modèle animal) et périphériques (plaquette sanguine humaine)." Thesis, Tours, 2011. http://www.theses.fr/2011TOUR3801/document.

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Disposer de marqueurs pour l’étude de l’autisme permettrait d’améliorer la compréhension de la physiopathologie, de compléter les arguments cliniques diagnostiques et de proposer des voies de recherche thérapeutiques ou préventives. Notre hypothèse est que certaines modifications du système sérotoninergique peuvent être des marqueurs potentiels de l’autisme. Pour tester cette hypothèse, nous avons eu recours à deux modèles : la plaquette sanguine humaine et un modèle animal, le rat exposé en prénatal à l’acide valproïque. Nous avons montré : - que le taux de sérotonine intraplaquettaire et la densité de transporteurs de la sérotonine peuvent être analysés chez l’homme. Ces paramètres ne diffèrent pas entre les groupes de témoins, autistes et apparentés du premier degré, - que le taux de sérotonine est abaissé de 46% dans l’hippocampe des rats exposés à l’acide valproïque, sans modification de la densité de transporteurs. Ces études renforcent l’intérêt de réaliser, chez des sujets avec autisme, des explorations centrales de ces potentiels marqueurs sérotoninergiques, et notamment à l’aide d’outils d’imagerie moléculaire
Development of markers of pathogenesis for autism would improve understanding of the pathophysiology, would complete clinical arguments for diagnosis and would propose preventive or therapeutic research pathways. Our hypothesis is that modifications to the serotonergic system may be potential markers for autism. To test this hypothesis, we used two study models : the human blood platelet and an animal model, rats prenatally exposed to valproic acid. We have shown that: - platelet serotonin levels and serotonin transporters density may be jointly tested in humans. These parameters do not significantly differ between groups of controls, patients with autism and first-degree related, - serotonin levels were decreased by 46% in the hippocampus of rats exposed to valproic acid, and no significant modification was observed in serotonin transporters density. These results reinforce the interest of central explorations.These studies reinforce the interest of central exploration of serotonergic potential markers in patient with autism and especially with molecular imaging tools
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Gribbin, Eugene. "Aspects of residential land use in Dublin : (an examination of the nature and causes of the maldistribution of residential land use in Dublin, together with an exposition of a prescriptive policy designed to contribute towards the correction of existing i." Thesis, Manchester Metropolitan University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397471.

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Books on the topic "Exposition à la nature"

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I, Arnolʹd V. Mathematical understanding of nature: Essays on amazing physical phenomena and their understanding by mathematicians. Providence, Rhode Island: AMS, American Mathematical Society, 2014.

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Puromōshon, NHK, and Asahi Shinbunsha, eds. Arcimboldo: Nature into art. Tokyo: The National Museum of Western Art, 2017.

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Claudia, Voigt Kirsten, Wood Jon, Lichtenstern Christa, Staatliche Kunsthalle Karlsruhe, and Museum der Moderne Salzburg Mönchsberg., eds. Tony Cragg: Second nature. Karlsruhe: Staatliche Kunsthalle, 2009.

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Salazie, Ecomusée. Trésor d'ici, la nature des savoir-faire: Exposition 1998 Îlot expo-Hell-Bourg, Salazie. Sainte-Marie (La Réunion)]: Ecomusée-Salazie, 1998.

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Exposition internationale de photographie au sténopé (2nd 2008 Le Bourget, France). Nature urbaine: Seconde exposition internationale de photographie au sténopé, 4 mars-27 avril 2008 = urban nature : 2nd international pinhole photography exhibition. Moisenay-le-Petit: Gaud, 2008.

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Michael, Zimmermann, ed. A Buddha within: The Tathāgatagarbhasūtra: The earliest exposition of the Buddha-nature teaching in India. Tokyo: International Research Institute for Advanced Buddhology, Soka University, 2002.

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Andersson, Patrik. On the nature of things. Edited by Steiner Shep 1962-, Austin Kim Kennedy, and Kamloops Art Gallery. Kamloops, B.C: Kamloops Art Gallery, 2011.

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Karlsruhe, Staatliche Kunsthalle, ed. Inventing nature: Pflanzen in der Kunst. Karlsruhe: Staatliche Kunsthalle Karlsruhe, 2021.

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Friedrich Wilhelm Joseph von Schelling. Exposition de mon système de la philosophie: Sur le vrai concept de la philosophie de la nature. Paris: J. Vrin, 2000.

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Oxbøll, Christina Rauh, and Pia Wirnfeldt. Natur: Spor & spejlinger = Nature : traces & reflections. Edited by CLAY Keramikmuseum Danmark. Middelfart: CLAY Keramikmuseum Danmark, 2021.

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Book chapters on the topic "Exposition à la nature"

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Jung, C. G., and W. Pauli. "Exposition." In The Interpretation of Nature and the Psyche, 7–59. London: Routledge, 2022. http://dx.doi.org/10.4324/9781315101606-2.

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Piergiacomi, Enrico. "Lucrezio e la fisica del lavoro." In Idee di lavoro e di ozio per la nostra civiltà, 91–96. Florence: Firenze University Press, 2024. http://dx.doi.org/10.36253/979-12-215-0319-7.12.

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Through the analysis of book 5 of the De rerum natura, the paper reconstructs Lucretius’ explanation of the genealogy of work or labor, which is contained in his more general exposition of the history of technological development. The main point that will be defended is that the philosopher-poet is not per se against technology, for he believes that human beings are biologically endowed with creativity, or the capacity to discover crafts that can create the means for satisfying natural needs. However, Lucretius also believed that the labor must be kept under control. Crafts should be used not for amassing wealth at the expense of others, but for achieving two conditions that, according to Epicurus’ teaching, lead to the natural good of katasthematic pleasure: security and removal of pain.
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Zwart, Hub. "Dialectical Materialism." In Philosophy of Engineering and Technology, 67–109. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84570-4_3.

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AbstractAlthough Karl Marx and Friedrich Engels strictly speaking never used the term, “dialectical materialism” refers to the philosophy of science and nature developed in (and on the basis of) their writings, emphasising the pivotal role of real-world socio-economic conditions (e.g. labour, class struggle, technological developments). As indicated by their correspondence (Marx & Engels, 1983), their collaboration represented a unique intellectual partnership which began in Paris in 1844 and continued after Marx’s death, when Engels took care of Marx’s legacy, notably the sprawling mass of manuscripts which he managed to transform into Volume II and III of Capital. While their joint effort (resulting in no less than 44 volumes of collected writings known as the Marx Engels Werke, published by Dietz Verlag Berlin) began as co-authorship, they eventually decided on a division of labour (with Marx focussing on Capital), although reading, reviewing, commenting on and contributing to each other’s writings remained an important part of their research practice. As a result of this division of labour, while Marx focussed on political economy, Engels dedicated himself to elaborating a dialectical materialist philosophy of nature and the natural sciences, resulting in works such as the Anti-Dühring and his unfinished Dialectics of Nature (published posthumously), although Engels (a voracious intellectual) wrote and published on may other topics as well, so that his output can be regarded as a dialectical materialist encyclopaedia in fragments. Again, although I will start with an exposition of dialectical materialism, my aim is not to contribute to scholarly discussions on dialectical materialism. My focus is on the how and now, and my aim is to explore how to practice dialectical materialism of technoscience today (cf. Žižek, 2014/2015, p. 1; Hamza, 2016, p. 163).
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Derks, Jackielee. "The “Native New Woman”: Material Culture and the Indian Novel in the Women’s Library at the World’s Columbian Exposition." In Global Voices from the Women’s Library at the World’s Columbian Exposition, 195–209. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42490-8_11.

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Plattfaut, Ralf. "Exposition." In Process-Oriented Dynamic Capabilities, 1–4. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-03251-1_1.

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Burmester, Lars. "Exposition." In Adaptive Business-Intelligence-Systeme, 3–24. Wiesbaden: Vieweg+Teubner, 2011. http://dx.doi.org/10.1007/978-3-8348-8118-2_1.

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Roch, Eckhard. "Exposition." In Psychodrama, 15–32. Stuttgart: J.B. Metzler, 1995. http://dx.doi.org/10.1007/978-3-476-03571-4_2.

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Demal, Ulrike. "Exposition." In Wörterbuch der Psychotherapie, 187. Vienna: Springer Vienna, 2000. http://dx.doi.org/10.1007/978-3-211-99131-2_511.

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Bommert, Christian. "Exposition." In Peter Weiss und der Surrealismus, 30–41. Wiesbaden: VS Verlag für Sozialwissenschaften, 1991. http://dx.doi.org/10.1007/978-3-663-12290-6_2.

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Bergem, Wolfgang. "Exposition." In Identitätsformationen in Deutschland, 13–23. Wiesbaden: VS Verlag für Sozialwissenschaften, 2005. http://dx.doi.org/10.1007/978-3-322-80749-6_2.

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Conference papers on the topic "Exposition à la nature"

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Liu, Haofang, Shuyong Chen, and Junling Liu. "New criterion to determine the nature of single-phase faults." In Exposition. IEEE, 2008. http://dx.doi.org/10.1109/tdc.2008.4517116.

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Sivak, Michael, Michael J. Flannagan, Eric C. Traube, Hiroshi Hashimoto, and Shinichi Kojima. "Fog Lamps: Frequency of Installation and Nature of Use." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1997. http://dx.doi.org/10.4271/970657.

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Kaiser, Edward W., Walter O. Siegl, and Richard W. Anderson. "Fuel Structure and the Nature of Engine-Out Emissions." In International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1994. http://dx.doi.org/10.4271/941960.

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Fish, Randall K., Mari Ostendorf, Gary D. Bernard, David Castanon, and Hariharan Shivakumar. "Modeling the Progressive Nature of Milling Tool Wear." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1797.

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Abstract A particularly important step during industrial machining operations is the detection and classification of tool wear. Past research in this area has demonstrated the effectiveness of various feature sets and binary classifiers. The goal of the research discussed here is to develop a classifier which makes use of the dynamic characteristics of tool wear in a metal milling application and replaces the standard binary classification with a gradient measure that is the posterior probability (or confidence) that the tool is worn given the observed feature sequence. This classifier tracks the dynamics of sensor data within a single cutting pass as well as the evolution of wear from sharp to dull. We discuss topology design and training model parameters in an application with sparsely-labeled training data. We were able to achieve better than 90% accuracy across changing cutting conditions even with a limited feature set drawn from a single sensor.
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Fell, James C., and Terry Klein. "The Nature of the Reduction in Alcohol in U.S. Fatal Crashes." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/860038.

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Khodataev, Kirill. "The Nature of Surface MW Discharge." In 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-1378.

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Awal, M. A., Md Rifat Kaisar Rachi, Hui Yu, Stefan Schröder, Jorg Dannehl, and Iqbal Husain. "Grid-Forming Nature Retaining Fault Ride-Through Control." In 2023 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2023. http://dx.doi.org/10.1109/apec43580.2023.10131145.

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Bejinariu, Silviu-Ioan, Ramona Luca, and Hariton Costin. "Nature-inspired algorithms based multispectral image fusion." In 2016 International Conference and Exposition on Electrical and Power Engineering (EPE). IEEE, 2016. http://dx.doi.org/10.1109/icepe.2016.7781293.

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Bergles, A. E., and S. G. Kandlikar. "On the Nature of Critical Heat Flux in Microchannels." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42383.

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The critical heat flux (CHF) limit is an important consideration in the design of any flow boiling unit. Before the use of microchannels under flow boiling conditions becomes widely accepted in critical applications, such as electronics cooling and laser lenses, it is essential to develop CHF data for microchannels. The experiments required to obtain this information pose unique challenges as the channel dimensions become smaller. The issues of parallel channel instability, experimental control, experimental uncertainty, and conjugate effects need to be carefully addressed. These issues are addressed in the present paper, and guidelines helpful in the design of CHF experiments are outlined.
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Melhuish, Chris. "Controlling and Coordinating Mobile Micro-Robots: Lessons From Nature." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0270.

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Abstract Assuming that mobile micro-scaled robots will be built in the future it is reasonable to speculate how such machines can be controlled. At the micro-scale robots will experience considerable limitations. Against this background, and inspired by natural collective systems, the paper explores collective minimalist mechanisms for the key aspects of moving through the environment, regulating the size of robot groups and acting on the environment.
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Reports on the topic "Exposition à la nature"

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Marcelino, Alejandra. An Exposition on Perfect Graphs. Ames (Iowa): Iowa State University, August 2022. http://dx.doi.org/10.31274/cc-20240624-181.

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Miller, Paul Matthew. Plasma Sciences Exposition at APS-DPP. Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1391881.

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Okun, vadim, Romain Gaucher, and Paul E. Black. Static analysis tool exposition (SATE) 2008. Gaithersburg, MD: National Institute of Standards and Technology, 2009. http://dx.doi.org/10.6028/nist.sp.500-279.

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Ogata, Michael. Static Analysis Tool Exposition (SATE) VI:. Gaithersburg, MD: National Institute of Standards and Technology, 2023. http://dx.doi.org/10.6028/nist.ir.8462.

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Brockmeier, Martina. A Graphical Exposition of the GTAP Model. GTAP Technical Paper, September 2000. http://dx.doi.org/10.21642/gtap.tp08.

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This paper offers a graphical exposition of the GTAP model of global trade. Particular emphasis is placed on the accounting, or equilibrium, relationships in the model. It begins with a treatment of the a one region version of GTAP, thereafter adding a rest of world region to highlight the treatment of trade flows in the model. The implementation of policy instruments in GTAP is also explored, using simple supply-demand graphics. The material provided in this paper was first developed as an introduction to GTAP for participants taking the annual short course. Based on its success in that venue, this paper has been placed on the "highly recommended" reading list for individuals seeking an introduction and overview of the GTAP framework. This paper offers a graphical exposition of the GTAP model of global trade. Particular emphasis is placed on the accounting, or equilibrium, relationships in the model. It begins with a treatment of the a one region version of GTAP, thereafter adding a rest of world region to highlight the treatment of trade flows in the model. The implementation of policy instruments in GTAP is also explored, using simple supply-demand graphics. The material provided in this paper was first developed as an introduction to GTAP for participants taking the annual short course. Based on its success in that venue, this paper has been placed on the highly recommended reading list for individuals seeking an introduction and overview of the GTAP framework.
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Dávila de León, MC, JC Revilla Castro, and C. Fernández-Villanueva. Beyond mere exposition: TV violence in protected times. Revista Latina de Comunicación Social, February 2018. http://dx.doi.org/10.4185/rlcs-2018-1259en.

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Okun, vadim, Aurelien Delaitre, and Paul E. Black. The second static analysis tool exposition (SATE) 2009. Gaithersburg, MD: National Institute of Standards and Technology, 2010. http://dx.doi.org/10.6028/nist.sp.500-287.

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Razin, Assaf, and Efraim Sadka. International Fiscal Policy Coordination and Competition: An Exposition. Cambridge, MA: National Bureau of Economic Research, July 1991. http://dx.doi.org/10.3386/w3779.

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9

Fanney, A. H., A. H. Fanney, K. M. Whitter, and T. B. Cohn. Second Internationl Green Building Conference and Exposition--1995. Gaithersburg, MD: National Institute of Standards and Technology, 1995. http://dx.doi.org/10.6028/nist.sp.888.

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Fanney, A. H., A. H. Fanney, and P. R. Svincek. Third International Green Building Conference and Exposition-1996. Gaithersburg, MD: National Institute of Standards and Technology, 1996. http://dx.doi.org/10.6028/nist.sp.908.

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