Letteratura scientifica selezionata sul tema "Fourmis – Effets de la température"
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Articoli di riviste sul tema "Fourmis – Effets de la température":
Oyeniyi, F. G., e E. O. Ewuola. "A review of strategies aimed at adapting livestock to volatile climatic conditions in Nigeria". Nigerian Journal of Animal Production 48, n. 4 (8 marzo 2021): 79–93. http://dx.doi.org/10.51791/njap.v48i4.3018.
Goldspiegel, Fabien, Philippe Michel, Jean-Baptiste Blumenfeld, Jean-Baptiste Oszenda e Katia Mocellin. "Influence des effets dynamiques et thermiques sur l’assemblage par clouage". Matériaux & Techniques 106, n. 3 (2018): 305. http://dx.doi.org/10.1051/mattech/2018049.
El Bitar, N., e D. Le Bars. "Douleur et thermorégulation Les effets ambivalents de la morphine". Douleur et Analgésie 31, n. 1 (marzo 2018): 35–61. http://dx.doi.org/10.3166/dea-2018-0002.
Tang, Anh Minh, Neda Yavari, Van Tri Nguyen, Jean-Michel Pereira e Ghazi Hassen. "Modélisation physique du comportement thermo-mécanique d’un pieu géothermique". Revue Française de Géotechnique, n. 166 (2021): 3. http://dx.doi.org/10.1051/geotech/2021004.
Faci, Djihade Nesrine, Saida Chouf, Mostepha Benchiheub e Soliman Belkahla. "Effet du vieillissement thermique sur les propriétés structurales et microstructurales d’un alliage à mémoire de forme de type CuZnAl". Matériaux & Techniques 110, n. 5 (2022): 504. http://dx.doi.org/10.1051/mattech/2022036.
OUALI, A. "Conséquences des traitements technologiques sur la qualité de la viande". INRAE Productions Animales 4, n. 3 (31 luglio 1991): 195–208. http://dx.doi.org/10.20870/productions-animales.1991.4.3.4334.
Mezrioui, N., e B. Baleux. "Effets de la température, du pH et du rayonnement solaire sur la survie de différentes bactéries d'intérêt sanitaire dans une eau usée épurée par lagunage". Revue des sciences de l'eau 5, n. 4 (12 aprile 2005): 573–91. http://dx.doi.org/10.7202/705148ar.
Gillet, Marc. "Changement climatique et risques sanitaires : la France aussi est concernée". Questions de santé publique, n. 1 (marzo 2008): 1–4. http://dx.doi.org/10.1051/qsp/2008001.
Serratrice, Jean François. "Suivi des déformations du massif rocheux sous la fondation de la pile VII du Pont du Gard". Revue Française de Géotechnique, n. 164 (2020): 2. http://dx.doi.org/10.1051/geotech/2020023.
QUINIOU, N., D. RENAUDEAU, A. COLLIN e J. NOBLET. "Effets de l’exposition au chaud sur les caractéristiques de la prise alimentaire du porc à différents stades physiologiques". INRAE Productions Animales 13, n. 4 (18 giugno 2020): 233–45. http://dx.doi.org/10.20870/productions-animales.2000.13.4.3783.
Tesi sul tema "Fourmis – Effets de la température":
Gouttefarde, Rémi. "Aspects fonctionnels et morphogenèse des nids de termites et de fourmis : effets de la température et de l'humidité". Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30357/document.
For many social insects, the nest is a central element for the colony's survival. A presumed function of the nest is to ensure protection against climatic fluctuations of the environment. One has to ask how the nests achieve to regulate such abiotic factors, and whether this factors modulate the construction behavior and thus the architecture of the nests. For all these questions only partial and fragmentary answers exist in the literature. The first aim of this thesis was to investigate the putative thermo regulating property of termite nests. We focused on two termite species found in the Brazilian cerrado: Cornitermes cumulans and Procornitermes araujoi. These two sympatric species both build nests consisting of an hypogeous and of an epigeous part. If these structures might seem similar, the internal architecture and the nest composition are quite different. We first aim to investigate whether these differences between the two structures influence their thermo regulating property. To do so, we monitored the temperatures inside the nests of the two species and we proposed a methodology to study the heat diffusion dynamics inside the structures. We also monitored the relative humidity, a factor that is essential for termite survival but that proved to be more complicated to understand. To complement this field work, we tested the survival of the two termite species in different conditions of temperature and relative humidity to test whether they present some adaptations to resist to such conditions related to their living environment. The second aim of this thesis was to study the effects of abiotic factors and more precisely temperature on the nest construction process. In fact, abiotic factors are known to affect insects' behavior, as much on the individual than on the collective level. Here we used the ant Lasius niger in which the construction behavior had already have modelled. This really common species of the northern hemisphere build a nest also made of an hypogeous and of an epigeous part. In the lab, the workers quickly build pillars that they covered by caps and thereby established the first basis of the structure. We performed an experiment where we constrained ants to build under different temperature conditions to test the effect of this abiotic factor on the emerging architecture. It is then possible to establish a quantitative and qualitative description of the architecture by scanning the structure thanks to a surface scanner or with X-ray tomography. Before studying the construction behavior, we first did an experiment to study the ants thermal preferendum. We found temperature regulation in the nest to follow the common heat equation where architecture only modifies the speed of heat diffusion in the nest. The studied environmental factors had complex effects on termite survival, ant distribution and the emerging ant architectures, the latter in agreement with the predictions of the construction model. However, we are still far from a coherent understanding of the interplay between the regulation of abiotic factors by the nest, their effect on his architecture architecture, and their influence on the animal's life history parameters
Challet, Mélanie. "Influence de la température et des courants d'air sur la morphogénèse des cimetières chez la fourmi Messor sancta". Toulouse 3, 2005. http://www.theses.fr/2005TOU30077.
In this work, we studied environmental effects on corpses aggregation in the ants Messor sancta. We characterized this phenomenon at both scales : individual and collective one. Results sew that ants have a lower dispersion on corpses piles. Ants sew a thigmotactic behavior around the piles. Our study also sew that pick up and drop behaviors are modulated by temperature. At the collective scale, we have shown that temperature and air flow modified collective aggregation dynamics. This modulation is the results of a complex coupling between individual sensitivity to local corpses density and individual sensitivity to climatic environment
Ponthieu, Raphaël. "Les fourmis et les machines : interfacer systèmes vivants et systèmes artificiels". Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC072/document.
Within the animal kingdom social insects fascinate humans. Especially ants, which are capable of adapting to various environments and taking advantage of their biotopes. Observing practices that we would have thought to be exclusive to humans – such as farming (of mushrooms) or breeding (of aphids) – spurs the will to understand by which mean ants operate. It turns out that ants achieve certain tasks in different ways than humans. For instance, to find the shortest path to a food source, or the best nest to migrate to; the colony can make a collective decision, decentralized and without the need of direct comparisons by individuals. My work has consisted of the elaboration and use of new methods to study ants. Two complementary objectives have been chosen to drive the work: implementation of a biohybrid system and assessing the means of and limits to controlling the behaviour of ants. The first objective consists of asking ourselves what will happen if we connected an ant colony with a computer For this I have designed apparatus that permit interaction between those two entities. It involved giving sight to the computer into what the colony was doing, then providing ways for the computer to act on the colony. To do so, I designed and tried out tools to monitor the activity of colonies as well as modular environments which ants can inhabit. I designed an embedded system that records and analyses activity of ant colonies on a micro-computer. I designed and 3D printed modules of various sizes that can be assembled together to form a structurally varied environment. For the computer to be able to act upon ant behaviour, I chose to endow it with the capability of modifying environmental conditions, at particular temperatures. Once the system was built, I conducted experiments to assess how local changes of temperature affect ant behaviour. This characterisation of behaviour under temperature changes sheds light on the relation of ants with their environment. This permitted the exploration of questions of control of behaviour of ants by a machine. The use of temperature having proved its capacity to modulate the local occupancy density, I then have been able to show that it was possible to confine an ant in a set location. Finally, I implemented a closed feedback loop system, in which the temperature used to confine the ant is dependent on the ant activity in real time. This last experiment shed light on the complexity of the dynamic relation between ants and their environments and opened new perspectives for future investigations. During this research, many tools were developed. Functional prototypes of moduary environments have demonstrated the relevance of using 3D printers for the study of ants. The various tools for monitoring, recording and processing video data provide new and innovative experimental possibilities and can be used for other studies, especially over long periods of time. Temperature control devices have as well been designed using rapid prototyping tools, making them accessible, scalable and reproducible in an open source approach
Kataya, Zeinab. "Effets de température sur les nanoparticules de CoAg : structure et effets de ségrégation". Phd thesis, Université d'Orléans, 2013. http://tel.archives-ouvertes.fr/tel-01004367.
Mieusset, Roger. "Effets de la température sur les fonctions testiculaires et épididymaires". Paris 11, 1992. http://www.theses.fr/1992PA11T022.
Manel, Stéphanie. "Modélisation de la durée de développement pré-imaginal chez les poïkilothermes sous régime de températures variables". Lyon 1, 1995. http://www.theses.fr/1995LYO10277.
Salas, Lopez Alex. "Effets de l’anthropisation sur la diversité fonctionnelle des fourmis et leur participation dans des processus écosystémiques". Thesis, Guyane, 2016. http://www.theses.fr/2016YANE0004/document.
Land-use changes have deep consequences on species diversity, community structure and ecosystem functioning. Consequently, many works have tried to understand the effects of such changes on the diversity and functional properties of organisms. It has been demonstrated that species traits are oftenly more important than the identity of species per se in order to account understand the ecological roles of species. Besides, while the majority of assessments about land-use change effects on ecosystem functioning have focused on primary producers, the contribution of other organisms is essential to maintain the functioning and resilience of ecosystems.Ants are interesting organisms to track land-use changes due to their abundance, ubiquity and ecological dominance. Ants are present in most of terrestrial biomes and participate in several ecosystem processes through their consumption of food resources. They are also easy to sample and standard methods exist to provide accurate comparisons between studies. While a number of studies have demonstrated abrupt changes in ant species composition along environmental gradients, only a reduced number of such studies have tried to understand how ant community changes affect ecosystem processes. Moreover, the traits responsible for the stability of ant communities in response to land-use changes are little known. It is therefore necessary to develop a methodology that enables a proper identification of ant participation to different ecosystem processes and their contribution to ecosystems’ resistance and resilience.In this thesis I aim to bring some light about i) how land-use changes affect ant community structure? ii) what traits are responsible of the ecological success of a species or it’s extinction from a given environment? iii) how changes in the species or trait composition affect the participation intensity of ants in different ecosystem processes ?
Roussy, Laurent. "Étude du comportement des matériaux composites aux températures cryogéniques". Besançon, 1994. http://www.theses.fr/1994BESA2050.
Daviller, Guillaume. "Etude numérique des effets de température dans les jets simples et coaxiaux". Phd thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2010. http://tel.archives-ouvertes.fr/tel-00573368.
Jean-St-Laurent, Mathilde. "Effets des cycles extrêmes de température sur le comportement des matériaux composites". Master's thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/26398.
This master dissertation presents the effect of extreme temperature cycles on composite materials of carbon fiber and cyanate-ester resin made of five harness woven fabrics. Three laminates and one sandwich plate were studied. The evaluation of damage present in the laminates showed two different types of damage: vertical microcracks and debonding between the fibers and the matrix. Debonding is only visible on the edges of the laminates. As for the microcracks, they are present both on the edges and inside of the laminates, but in greater quantity on the edges. The damage inside the sandwich plate is present under two forms: vertical microcracks and delamination due to the presence of the adhesive. The effect of thermal cycling on the degradation of the mechanical properties of the laminates was also studied. The mechanical tests performed showed that properties influenced by the matrix behavior were altered by the presence of microcracks.
Libri sul tema "Fourmis – Effets de la température":
Gordon, Christopher J. Temperature and toxicology: An integrative, comparative, and environmental approach. Boca Raton, FL: Taylor & Francis, 2005.
Bureau de la sécurité des transports du Canada. CN Amérique du Nord train parti à la dérive point milliaire 175, subdivision Grande Cache Latornell (Alberta) 18 janvier 1994. Hull, Qué: Bureau de la sécurité des transports du Canada, 1995.
Stevens, R. A. The effect of wiping and spray wash temperature on bacterial retention of abraded domestic sink surface. Toronto, Ont: Nickel Development Institute, 1993.
Kaufman, J. G. Relational analysis: Guidelines for estimating the high- and low-temperature properties of metals. Materials Park, Ohio: ASM International, 2011.
Yutaka, Tochihara, Ohnaka Tadakatsu e International Conference on Environmental Ergonomics (10th : 2002 : Fukuoka, Japan), a cura di. Environmental ergonomics: The ergonomics of human comfort, health, and performance in the thermal environment. Amsterdam: San Diego, CA, 2005.
S, Purohit S., a cura di. Hormonal regulation of plant growth and development. Dordrecht: M. Nijhoff/W. Junk, 1985.
International RILEM Workshop on Resistance of Concrete to Freezing and Thawing with or without De-icing Chemicals (1997 University of Essen). Frost resistance of concrete: Proceedings of the International RILEM Workshop on Resistance of Concrete to Freezing and Thawing with or without De-icing Chemicals, University of Essen, September 22-23, 1997. London: E & FN Spon, 1997.
McKinnon, L. M. The effects of soil temperature and site preparation on subalpine and boreal tree species: A bibliography. Victoria, B.C: Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, 2002.
Clark, R. P. Man and his thermal environment. London: E. Arnold, 1985.
Metz, Bert. Controlling climate change. New York: Cambridge University Press, 2009.
Capitoli di libri sul tema "Fourmis – Effets de la température":
"13 Effets de température". In Exercices de neutronique, 59–62. EDP Sciences, 2004. http://dx.doi.org/10.1051/978-2-7598-0161-9.c016.
"13 Effets de température". In Exercices de neutronique, 216–20. EDP Sciences, 2004. http://dx.doi.org/10.1051/978-2-7598-0161-9.c049.
"Chapitre 7. Effets neutroniques liés à la température". In Histoire et techniques des réacteurs nucléaires et de leurs combustibles, 237–50. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2032-0-011.
"Chapitre 7. Effets neutroniques liés à la température". In Histoire et techniques des réacteurs nucléaires et de leurs combustibles, 237–50. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2032-0.c011.
GAO, Kunshan, Wenyan ZHAO e John BEARDALL. "Réponses futures des producteurs primaires marins aux changements environnementaux". In Planète bleue, photosynthèse rouge et verte, 277–308. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9082.ch9.