Academic literature on the topic 'Agneaux – Effets de la lumière sur'
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Journal articles on the topic "Agneaux – Effets de la lumière sur"
PRACHE, S., B. AUROUSSEAU, M. THERIEZ, and M. RENERRE. "Les défauts de couleur du tissu adipeux sous-cutané des carcasses d’ovins." INRAE Productions Animales 3, no. 4 (October 10, 1990): 275–85. http://dx.doi.org/10.20870/productions-animales.1990.3.4.4386.
Full textEl Fadili, M., C. Michaux, B. Boulanouar, and P. L. Leroy. "Effets du milieu et génétiques sur la croissance des agneaux Timahdite et croisés au Maroc." Revue d’élevage et de médecine vétérinaire des pays tropicaux 53, no. 1 (January 1, 2000): 75. http://dx.doi.org/10.19182/remvt.9767.
Full textMatheron, Gérard, O. Bastien, and F. Leimbacher. "Le mouton en Martinique. II. Croissance des agneaux sous la mère." Revue d’élevage et de médecine vétérinaire des pays tropicaux 44, special (May 1, 1991): 83–90. http://dx.doi.org/10.19182/remvt.9246.
Full textBen Salem, I., M. Rekik, H. Hammami, M. Ben Hamouda, R. Aloulou, and L. Sâadoun. "Facteurs de variation non génétique de la productivité des brebis de race Noire de Thibar." Revue d’élevage et de médecine vétérinaire des pays tropicaux 62, no. 1 (January 1, 2009): 59. http://dx.doi.org/10.19182/remvt.10095.
Full textEbangi, A. L., Aboubakar Njoya, Anne Clarisse Ngo Tama, Daniel Nzingu Awa, and D. A. Mbah. "Paramètres génétiques et phénotypiques des caractères du poids à la naissance chez les moutons Foulbé au Camroun." Revue d’élevage et de médecine vétérinaire des pays tropicaux 54, no. 2 (February 1, 2001): 147. http://dx.doi.org/10.19182/remvt.9793.
Full textMourad, M., and I. B. Baldé. "Causes de mortalité des petits ruminants sur le plateau du Sankaran-Guinée en 1992-1993." Revue d’élevage et de médecine vétérinaire des pays tropicaux 50, no. 1 (January 1, 1997): 84–88. http://dx.doi.org/10.19182/remvt.9606.
Full textFeller, Robert L. "Contrôle des effets détériorants de la lumière sur les objets de musée*." Museum International (Edition Francaise) 17, no. 2 (April 24, 2009): 57–97. http://dx.doi.org/10.1111/j.1755-5825.1964.tb01673.x.
Full textGuibert, Pierre. "La luminescence : un bref éclairage sur une méthode de datation pour l’archéologie." Reflets de la physique, no. 63 (October 2019): 8–13. http://dx.doi.org/10.1051/refdp/201963008.
Full textLaPerrière, Anne. "Les paradoxes de l’intervention culturelle : une analyse critique des idéologies d’intervention britanniques face aux immigrants-es." V. Sociétés intégratrices et migrants, no. 14 (January 14, 2016): 187–98. http://dx.doi.org/10.7202/1034522ar.
Full textBen-Meir, Orna. "Zoom sur zone zoologique." Protée 27, no. 1 (April 12, 2005): 69–74. http://dx.doi.org/10.7202/030544ar.
Full textDissertations / Theses on the topic "Agneaux – Effets de la lumière sur"
Boivin, Catherine. "Effet de l'intensité lumineuse sur le contrôle de la reproduction chez la brebis et sur la croissance des agneaux." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24666/24666.pdf.
Full textCHAMAILLARD, KARINE. "Etude statistique des effets de rugosite des grains de poussieres sur leurs proprietes optiques." Cergy-Pontoise, 1999. http://www.theses.fr/1999CERG0081.
Full textAbidi, Farouk. "Effets de la qualité de la lumière sur l'élaboration de l'architecture du rosier buisson." Angers, 2013. http://tel.archives-ouvertes.fr/tel-00871779.
Full textThe global shape of an ornamental plant is one of its major aesthetic criteria. It is controled by its architecture, particularly by bud bursting and shoot elongation. Environmental factors including light have a strong impact on both processes. The management of the lighting conditions during plant culture could help to produce plants with innovative shapes, using environmentally-friendly practices. However, there is a significant lack of knowledge about the mechanisms involved in the regulation of plant development by light. In this thesis, we studied the effect of blue light on the architectural development of two varieties of rose bushes coupling morphological, histological and molecular approaches. Our results show that monochromatic blue light has a depressive effect on the photosynthetic assimilation of roses but induces in both cultivars, same meristem organogenetic activity, internodes growth and floral development than full spectrum light. On the contrary, the removal of blue raies from white light stimulates the elongation of the first order axis in one of the two studied cultivars. This stimulation results from the increase of leaf photosynthetic assimilation and internode cell elongation. This photo-control is exerted on the expression of genes involved in sugar metabolism and cell wall loosening. Our study of photoreceptor mutants in pea suggests that phytochrome B is the major photoreceptor involved in this response to blue light
Xu, Yong. "Étude des effets de la lumière sur les propriétés électriques d’une jonction tunnel magnétique." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0256/document.
Full textThis thesis is devoted to the study of the effects of light on a magnetic tunnel junction (MTJ). A MTJ is made of a nanometer thick insulating layer sandwiched between the two magnetic layers. When an electric current is injected into such a structure, a voltage can be measured across the insulating layer. This voltage depends on the relative orientation of the magnetizations of the two magnetic layers. This is known as the tunnel magneto-resistance effect. We have shown in this thesis that voltage depending on the orientation of the magnetic layers can be measured when the junction is illuminated with light. By studying the influence of the substrate, the position of the light beam, the wave length of light and the response of the system to a laser pulse, we have been able to demonstrate the presence of photovoltaic and Seebeck effects. These results show that it is possible, thanks to the sunlight, to read the information from magnetic memory (MRAM) made of a MTJ
Tallet, Céline. "Mécanismes comportementaux d'établissement de l'affinité pour le soigneur : étude sur agneaux élevés en allaitement artificiel." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2006. http://tel.archives-ouvertes.fr/tel-00688759.
Full textMassier, Sébastien. "Effets du traitement par la Lumière Pulsée sur la physiologie de Pseudomonas aeruginosa et d'Enterococcus faecalis." Rouen, 2011. http://www.theses.fr/2011ROUES030.
Full textThis work is devoted to the study of the bacterial response of Pseudomonas and Enterococcus genus against Pulsed Light treatment (PL). First, the characterization of the PL decontamination unit has chosen a configuration for achieving uniform treatment and to know the physical characteristics. On the other hand, very rapid kinetics destructions of bacterial cultures are obtained in this configuration (reduction of 9 logarithm units a few seconds). In this study, we showed that Pseudomonas aeruginosa is usually more sensitive than Enterococcus faecalis with respect to the same intensity treatment. However and interestingly Pseudomonas aeruginosa is able to adapt to a lethal treatment LP when subjected to sublethal PL doses. While Enterococcus faecalis showed a mutation rate increased after treatment. These different mechanisms used by bacteria in order to cope with the deleterious PL effects were identified by two-dimensional electrophoresis analysis to elucidate the molecular mechanisms involved in these responses
Berthier, Alexandre. "Transport du saccharose chez le Ray-grass anglais (Lolium perenne L. ) : réponse à la défoliation et à l’intensité lumineuse : Thèse soutenue sur un ensemble de travaux." Caen, 2011. http://www.theses.fr/2011CAEN2001.
Full textWe wanted to determine the nature of sucrose transport, isolate, characterize and localize one or more sucrose transporters (SUTs) and assess if these SUTs respond to defoliation or to a modulation of light intensity before and/or after defoliation in rye-grass. Sucrose transport is apoplastic. It depends on a multigenic family of SUTs that were identified for the first time in rye-grass (LpSUT1, LpSUT2). The functional characterization of LpSUT2, which possess a cytoplasmic inner loop, was also successfully realized for the first time in a Monocot species. LpSUT2 is inhibited by fructose, which is a remarkable result for a fructan-accumulating plant, thus suggesting that this SUT could be the perception site of a sugar signal. The expression and the localization of these SUTs, mainly in the mesophyll, suggest that they play a great role for the distribution of C resources within the regrowing plant. The LpSUT1transcript level increases in the few hours following defoliation and might be regulated by sucrose content. LpSUT1 could be implicated in the lateral sucrose transport associated to the storage and/or the mobilization of fructans. The LpSUT2 transcripts are not sensitive to defoliation, but they are surprisingly modulated by light intensity before and/or after defoliation, which could strikingly match their putative role of sugar sensors. Because neither LpSUT1 nor LpSUT2 are localized within phloem tissues, this suggest the existence of other SUTs. The present results allow to better understand regrowth mechanism within a perennial forage species accumulating fructans
Pouliot, Éric. "Impact de l'environnement d'élevage durant la période hivernale sur les performances de croissance et la qualité de la viande des agneaux lourds." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24667/24667.pdf.
Full textMartinot-Lagarde, Gregoire. "Effets mécaniques de la lumière sur des sphères de polystyrène dans l'eau : mesure et applications physico-chimiques." Bordeaux 1, 1995. http://www.theses.fr/1995BOR10595.
Full textMartinet, Quentin. "Étude des effets environnementaux sur les modes acoustiques confinés de nanoparticules par diffusion inélastique de la lumière." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1152/document.
Full textOver the past twenty years, inelastic light scattering by vibrational eigenmodes of nanoparticles, called Lamb modes, has proven to be an effective method for characterizing the size and mechanical properties of nano-objects. The resonant frequency of a nano-sphere, in the gigahertz range, is given, as a first approximation, by the ratio of the acoustic velocity of the bulk material and the size of confinement. The refinements of the theoretical model allow to obtain, from these eigenmodes, information on the shape and local environment of nano-objects.The objective of this thesis is to probe the domain of validity of the Lamb model, to analyze the different impacts of the environment on eigenmodes and to develop a new strategy to measure them. Several aspects of interaction with the external medium can be considered depending on the system studied. On the one hand, the delocalization of the acoustic wave in the case of core shell systems is ruled by the acoustic impedance of the core and the shell and leads to a mechanical coupling. On the other hand, the inertial mass effect induced by the presence of organic ligands on the surface of the particle modifies the resonant frequency. The validity of both approaches is discussed according to the configuration and these models are applied to real cases, such as semiconductor core shell nanoparticles and nanoplatelets, or gold colloidal clusters. The inertial mass effect is significant for small objects and it is shown the feasibility to realize ultra-sensitive nano-balance capable of probing the local environment of nano-objects. Furthermore, in the case of gold clusters, this approach makes it possible to discuss the limit of the Lamb model, based on continuum mechanics, to interpret vibrations involving only six atoms. Thanks to low frequency Raman spectroscopy, it appears that the experimental results are in good agreement with both the continuum mechanics approach, by considering the inertial mass effect, and also with density functional theory (DFT) calculations. Finally, the experimental development of an optical set-up capable of measuring low frequency Raman modes on a single nanoparticle in a liquid medium is presented. This technic requires to localize a nanoparticle in a liquid medium with plasmonic tweezers and to enhance the low frequency Raman signal by stimulating vibrational modes with electrostriction. The perspectives are to apply this method to the dynamical study of a single object such as viruses or proteins
Books on the topic "Agneaux – Effets de la lumière sur"
Conférence internationale sur l'harmonisation des exigences techniques relatives à l'homologation des produits pharmaceutiques à usage humain. and Canada. Programme des produits thérapeutiques., eds. Essais de stabilité: Essais de photostabilité des nouveaux produits et substances médicamenteuses. Ottawa, Ont: Programme des produits thérapeutiques, Santé Canada, 1998.
Find full textCapponi, Matteo. Parole et geste dans la tragédie grecque. À la lumière des trois « Électre ». Éditions Alphil-Presses universitaires suisses, 2020. http://dx.doi.org/10.33055/alphil.03145.
Full textMeyer, Christian, ed. Pietro d’Abano, Expositio problematum (XIX). Leuven University Press, 2021. http://dx.doi.org/10.11116/9789461663894.
Full textBook chapters on the topic "Agneaux – Effets de la lumière sur"
PICCARDI, Jeanne. "Comme des éphémères dans la lumière." In Revue Education, Santé, Sociétés, Vol. 7, No. 2, 19–42. Editions des archives contemporaines, 2021. http://dx.doi.org/10.17184/eac.4664.
Full textBodelet, Céline, and Aurélie Gauchet. "La vaccination contre la grippe chez les professionnels de santé travaillant en établissement." In Pratiques et interventions en psychologie de la santé, 49–62. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.3185.
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