Academic literature on the topic 'Assemblage à température ambiante'
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Journal articles on the topic "Assemblage à température ambiante"
Bailly, Sean. "De la supraconductivité à température quasi ambiante." Pour la Science N° 496 - février, no. 2 (January 2, 2019): 8. http://dx.doi.org/10.3917/pls.496.0008.
Full textLECLERCQ, B., H. De CARVILLE, and G. GUY. "Pertes de poids du canard de Barbarie mâle lors du jeûne avant abattage." INRAE Productions Animales 2, no. 5 (December 10, 1989): 353–56. http://dx.doi.org/10.20870/productions-animales.1989.2.5.4429.
Full textZouak, Belkacem, and Mohammed Said Belkaïd. "Etude et simulation d’un système de refroidissement par effet Peltier pour les cellules solaires photovoltaïques." Journal of Renewable Energies 22, no. 2 (October 6, 2023): 171–78. http://dx.doi.org/10.54966/jreen.v22i2.735.
Full textRINALDO, D., and J. LE DIVIDICH. "Influence de la température ambiante sur les performances de croissance du porc." INRAE Productions Animales 4, no. 1 (February 2, 1991): 57–65. http://dx.doi.org/10.20870/productions-animales.1991.4.1.4318.
Full textAmrani, F., V. Veiillard, A. Astier, M. Paul, and B. Plaud. "Peut-on conserver la célocurine® à température ambiante ?" Annales Françaises d'Anesthésie et de Réanimation 33 (September 2014): A255. http://dx.doi.org/10.1016/j.annfar.2014.07.431.
Full textMoufti, Ahmed, and Mohammed Mountadar. "Lessivage des fluorures et des métaux a partir d'une cendre à charbon." Water Quality Research Journal 39, no. 2 (May 1, 2004): 113–18. http://dx.doi.org/10.2166/wqrj.2004.018.
Full textYildirim, Ayhan, Heinz-Theo Lübbers, and Vedat Yildirim. "Obturation du canal radiculaire à la gutta-percha." SWISS DENTAL JOURNAL SSO – Science and Clinical Topics 126, no. 2 (February 15, 2016): 150–51. http://dx.doi.org/10.61872/sdj-2016-02-06.
Full textBéchara, W., P. Lafon, and S. M. Candel. "Modélisation du bruit des jets turbulents libres et subsoniques à température ambiante." Journal de Physique III 3, no. 3 (March 1993): 653–74. http://dx.doi.org/10.1051/jp3:1993155.
Full textBertin, R., JM Guastavino, and R. Portet. "Comportement alimentaire de la souris mutante Staggerer, effet de la température ambiante." Reproduction Nutrition Développement 30, no. 1 (1990): 139. http://dx.doi.org/10.1051/rnd:19900144.
Full textBahbah, S., R. Frey, R. Andre, C. Flytzanis, and G. Roosen. "Effet Kerr magnéto-optique à température ambiante dans les microcavités de semiconducteur." Journal de Physique IV (Proceedings) 119 (November 2004): 121–23. http://dx.doi.org/10.1051/jp4:2004119020.
Full textDissertations / Theses on the topic "Assemblage à température ambiante"
Amrous, Ania. "Etude d'auto-assemblages moléculaires sur surfaces isolantes par microscopie à force atomique en mode non-contact sous ultravide à température ambiante." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4368.
Full textIn this thesis, we report the results obtained with the growth of highly crystalline and stable supramolecular assemblies at room temperature on insulating surfaces of bulk alkali halides single crystals. The objective of this study is to structurally characterize these self-assembled networks and understand all the interaction forces involved in the growth and diffusion processes. This is performed by joint non-contact atomic force microscopy (nc-AFM) experiments in ultrahigh vacuum and theoretical calculations based on density functional theory (DFT) and molecular dynamics. We show how well-defined parameters for the choice of the molecule on the one hand such as size, shape, symmetry, flexibility and functionality, and the choice of the substrate on the other hand, influence the morphology growth and serve to steer the structure and diffusion properties of such systems
Amrous, Ania. "Etude d'auto-assemblages moléculaires sur surfaces isolantes par microscopie à force atomique en mode non-contact sous ultravide à température ambiante." Electronic Thesis or Diss., Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4368.
Full textIn this thesis, we report the results obtained with the growth of highly crystalline and stable supramolecular assemblies at room temperature on insulating surfaces of bulk alkali halides single crystals. The objective of this study is to structurally characterize these self-assembled networks and understand all the interaction forces involved in the growth and diffusion processes. This is performed by joint non-contact atomic force microscopy (nc-AFM) experiments in ultrahigh vacuum and theoretical calculations based on density functional theory (DFT) and molecular dynamics. We show how well-defined parameters for the choice of the molecule on the one hand such as size, shape, symmetry, flexibility and functionality, and the choice of the substrate on the other hand, influence the morphology growth and serve to steer the structure and diffusion properties of such systems
Desbordes, Cloé. "Étude du contact mécanique et électrique réalisé par hybridation de micro-tubes oxyde et de nano-inserts." Electronic Thesis or Diss., Paris, HESAM, 2024. http://www.theses.fr/2024HESAE017.
Full textFlip chip assembly of fine pixel pitch photonic components, which are particularly sensitive because they are made of heterogeneous materials, encounters several technological issues linked to the use of traditional process including temperature (thermocompression, soldering, etc.). Assembly by insertion at room temperature using interconnections whose manufacture is compatible with traditional foundry processes, therefore proves to be a suitable solution to these problems. The aim of this PhD thesis is to develop this assembly process by implementing and optimising two innovative interconnection technologies: oxide microtubes and nanoinserts. To this end, the assembly of 10 µm pitch oxide microtubes and their electrical conductivity in service were modelled using finite elements. Experiments relating both assembly force and electrical resistance to the insertion depth of the interconnections made it possible to validate the simulated results. The design of the interconnections was then optimised numerically in order to of improve their performance. The models also highlight the benefit of developing nanoinserts with specific dimensions. They were successfully manufactured at pitches ranging from 10 µm to 2 µm
Hai, Xueying. "Matériaux magnétocaloriques pour la réfrigération magnétique à température ambiante." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAY073/document.
Full textThe magnetocaloric effect (MCE) is characterized by a magnetic entropy change and an adiabatic temperature change. The NaZn13-type La(Fe,Si)13 system has attracted wide interest because of its first-order ferromagnetic phase transition with a large magnetocaloric effect. The transition temperature can be flexibly adjusted through substitution or interstitial insertion. Particularly, hydrogen interstitials can adapt the temperature range to room-temperature applications. Precise adjustment can be achieved by full hydrogen absorption then partial desorption. However, fully hydrogenated alloys are unstable upon heating. It is important to have a better understanding of its hydrogen stability to optimize its application potential.In the first part, the structural, magnetic, and magnetocaloric properties of La(Fe,Si)13 phases are studied. In particular, we have investigated the effect of substitution of Ce on the La site and Mn on the Fe sites. The partial substitution of Ce results in the decrease of TC with decreasing lattice constant. At the same time, Ce substitution for La results in a reduced volume of the octahedral interstitial site due to steric effect. The interstitial insertion is impeded by Ce partial substitution.Secondly, the effects of interstitial atoms such as hydrogen and carbon are examined. These elements are able to enter the interstitial voids in the La(Fe,Si)13 phase, expanding the lattice. Through the extension of Fe-Fe distances, the Curie temperature of the magnetocaloric phase can be raised up to room temperature range. The influence of small concentration of carbon on the magnetic properties of samples is examined prior to hydrogenation and carbon content is optimized. In order to investigate the interstitial dynamics, the hydrogen sorption kinetics is studied by the means of Sieverts’ volumetric method and neutron diffraction. Particular attention has been given to the adjustment of the structure in the course of hydrogen/deuterium interstitial absorption and desorption.Steady-state and in-situ neutron diffractions provide precise information of the interstitial atom location of the sequential filling of the accommodating sites. The structural investigation allows specifying the deformations undergone in the complex metallic alloys La-Fe-Si when subjected to light interstitial insertion or rare earth substitution at the cation site. We show that the depression or enhancement of the hydrogenation kinetics may be related to the particular inhomogeneous cell variation of bonding in the structure. A mechanism for the diffusion path is suggested.The mechanism is light atom insertion into the interstitial sites is not only strongly related to the available space for accommodation, but also associated with the facility of the diffusion path in the lattice. We demonstrate with experimental results that a modest addition of carbon in the La-Fe-Si phase prior to hydrogenation can effectively slow down the hydrogen insertion kinetics. In Ce-substituted La-Ce-Fe-Si phases, carbon insertion can help retain hydrogen atoms during desorption, therefore, offering a prospect to have improved stability of hydrogenated materials for long-term applications. The hydrogen stability of the material is examined by means of thermal desorption in DSC and an enhancement of the thermal stability of the material is achieved with carbon-doping.Lastly, in the search of new rare-earth-free materials for magnetocaloric applications, we have explored the capacity of alloys of types FeCrNi and FeCrMn. The magnetic and structural transitions of these alloys of different compositions are studied and their potential for magnetocaloric application is examined in this thesis
Orieux, Adeline. "Sources semiconductrices d'états à deux photons à température ambiante." Paris 7, 2012. http://www.theses.fr/2012PA077157.
Full textIn this work, we design and characterize semiconductor sources of two-photon states for integrated quantum information. These devices are based on spontaneous parametric down-conversion in AlGaAs waveguides and emit photon pairs at room temperature and telecom wavelength. The first source is a twin photon emitting laser diode, based on a modal phase-matching between an electrically injected Bragg laser mode at 775 nm and the telecom photon modes within the same waveguide. We describe the structure design, its linear and nonlinear optical behaviour, and its characteristics under electrical current injection. The achievement of laser emission and second harmonic generation in the same device open the way towards an ultra-compact source of photon pairs. The second device under study is based on a transverse pumping geometry in which a laser beam impinging on top of the waveguide produces two counterpropagating waveguided telecom photons. We explore the huge versatility of the two-photon quantum state generated by this source, namely the possibilities of state engineering in the frequency domain that are inabled by this geometry. We also present the first experimental demonstration of polarization entangled photon pairs achieved with this device, together with a model allowing to predict the entanglement quality from the spatial and spectral distribution of the pumping beam. These sources of non classical states of light, compact and capable of electrical injection on chip are excellent candidates for future photonic implementations of quantum information
Maynard, Marie-Aude. "Stockage d'impulsions lumineuses dans l'hélium métastable à température ambiante." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS445/document.
Full textThe need to synchronise quantum information and communication protocols implies the use of quantum memories. Different physical systems are investigated nowadays, among which ions in crystals, cold atoms and atomic vapours. The most common protocol is based on the Electromagnetically Induced Transparency (EIT) phenomenon: a light pulse is engraved in the Raman coherence of both ground states of an atomic Lambda–type three-level system. Though it opens promising perspectives, with respect to efficiency, fidelity and storage time, this technique is, however, sensitive to dephasing effects such as magnetic field gradients.In this thesis, I first study the storage of classical light pulses via EIT in a room- temperature metastable helium vapor. The obtained experimental results agree with the numerical simulation of the complete Maxwell-Bloch equations of the system. In particular, the existence of an extra phase acquired by the retrieved pulse is demonstrated in the detuned configuration, which can be explained by the propagation of the signal beam in the medium. In the second part, I experimentally isolate, in the same system, a new storage protocol based on the Coherent Population Oscillation (CPO) phenomenon, which is by nature more robust than EIT to dephasing effects. The numerical simulations allow us to precisely analyse the mechanisms involved in a CPO memory and, in particular, the influence of the relative phase between the signal and coupling beams on the storage efficiencies
Chausse, Eric. "Test et modélisation de détecteurs infrarouges microbolométriques à température ambiante." Grenoble INPG, 2000. http://www.theses.fr/2000INPG0021.
Full textBossé, Emilie. "Comportement des actinides dans les liquides ioniques à température ambiante." Paris 11, 2008. http://www.theses.fr/2008PA112159.
Full textThe room temperature ionic liquids are potentially interesting for the treatment of nuclear fuel. But the knowledge of the behaviour of actinides in the ionic liquids is fragmented because these solvents are new, young and many. In a first time, the ionic liquids [BuMelm] [Tf₂N] and [MeBu₃N] [Tf₂N] have been studied in ⍺ and Ƴ irradiation with different atmosphere (argon and air) and concentrations of water. ESI-MS, NMR and liquid chromatography coupled ESI-MS analysis demonstrate a multitude of degradation products but in a very small quantitie. This good radiolytic stability makes it a major advantage for the studies of actinides. In a second time, the interaction between an anionic complex of uranium (UCI₆² ֿ) and the cation of the ionic liquid and too the study of the hydrolysis of An⁴໋(An= uranium, neptunium, plutonium) were conducted in different ionic liquids ([MeBu₃N] [Tf₂N], [BuMe₂Im] [Tf₂N] and [BuMelm][Tf₂N]). The experimental results showed that the intensity of these interactions between UCI₆² anion and the ionic liquid cation depends on the latter and follows the order : MeBu₃ N໋~ BuMe₂Im໋〈〈BuMeIm໋. In addition, the results obtained by UV/Vis spectroscopy showed that the reaction of hydrolysis in the ionic liquids is slow, secondary compared to the oxidation or the disproportionation and that the amount of water in ionic liquid must be relatively large compared to the concentration of actinide. The results from the coupling of different analytical techniques (NMR, mass spectrometry, UV-Visible, Infra-red, electrochemistry. . . . ) have allowed a first approach in the understanding of the actinides in the room temperature ionic liquids
Caillet, Xavier. "Une microcavité semiconductrice source de photons jumeaux contrapropageants à température ambiante." Paris 7, 2009. http://www.theses.fr/2009PA077218.
Full textThis work is devoted to the conception and demonstration of a semiconductor waveguide emitting counterpropagating twin photons for Quantum Information. Several criteria make it a promising device: integrability, compactness, room temperature operation, high collection efficiency, spectral width of the generated photons, and the easy control of the degree of frequency correlation. Some of these properties stems from the original geometry of the device: the generated photons are created by Parametric Fluorescence inside a non-linear waveguide, optically pumped by the top. The idea at the ongin of this work is the integration of a microcavity with a structure based on counterpropagating geometry, which allows to optimise the performances of the source. After a brief introduction of the research field, a complete study of the properties of the device is shown which ended in the design of an optimized structure. The realized samples were characterized through optical losses measurements in the waveguide regime and through Second Harmonic Generation experiments. A Parametric Fluorescence experiment was then conducted in order to estimate the performances of the new device. The integration of a vertical microcavity allowed in particular a two orders of magnitude increase of the source conversion efficiency. The quality of the generated quantum state was verified via a Hong-Ou-Mandel experiment which is a indistinguability test between two photons. The good visibility obtained opens the way to a large number of Quantum Information experiments using this source
Foletto, Marc. "Les micro-jets de plasma à pression atmosphérique et température ambiante." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30026/document.
Full textMicroplasma jets propagating in a helium flow surrounded by air at ambient pressure and temperature have attracted the attention of many researchers over the past decade. These microplasma jets are ignited in a cylindrical dielectric barrier discharge (DBD) powered by impulse or sinusoidal voltage pulses with an amplitude of several kilovolts and then propagate as an ionization wave in the helium flow outside the DBD. The plasma so-generated is confined to the region where helium is the dominant species because ionization of the surrounding air requires a significantly higher electric field strength than is present at the ionization front in the plasma jet. The putative biomedical applications of microplasma jets are particularly promising because they provide a way of producing reactive oxygen and nitrogen species some centimeters downstream from the DBD without significant gas heating. The objective of the work reported in this thesis has been to develop a better understanding of the influence of the operating conditions and geometry on the properties of the plasma jets. To this end, experimental and numerical studies of the hydrodynamics of the helium flow and simulations of the generation and propagation of the microplasma jet have been carried out
Book chapters on the topic "Assemblage à température ambiante"
GALIĆ, Kata. "Sélection d’emballages par famille de produits alimentaires." In Matériaux et procédés d’emballage pour les industries alimentaires, cosmétiques et pharmaceutiques, 347–76. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9039.ch13.
Full text"Contrôle de la température ambiante pour le transportdes denrées périssables surgelées." In Manuel ATP 2020, 117–19. United Nations, 2020. http://dx.doi.org/10.18356/9789210051910c008.
Full text"Contrôle de la température ambiante pour le transport des denrées périssables surgelées." In Manuel ATP 2021, 113. United Nations, 2022. http://dx.doi.org/10.18356/9789210001328c009.
Full text"Contrôle de la température ambiante pour le transport des denrées périssables surgelées." In Accord relatif aux transports internationaux de denrées périssables et aux engins spéciaux à utiliser pour ces transports (ATP), 73. UN, 2010. http://dx.doi.org/10.18356/60ec0b73-fr.
Full text"Contrôle de la température ambiante pour le transport des denrées périssables surgelées." In Manuel ATP, 115. United Nations, 2024. http://dx.doi.org/10.18356/9789213585603c009.
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