Letteratura scientifica selezionata sul tema "Spectroscopie sur point unique"
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Articoli di riviste sul tema "Spectroscopie sur point unique"
ANDUEZA, D., B. P. MOUROT, A. AÏT-KADDOUR, S. PRACHE e J. MOUROT. "Utilisation de la spectroscopie dans le proche infrarouge et de la spectroscopie de fluorescence pour estimer la la qualité et la traçabilité de la viande". INRA Productions Animales 28, n. 2 (13 gennaio 2020): 197–208. http://dx.doi.org/10.20870/productions-animales.2015.28.2.3025.
Testo completoSystchenko, R., e J. Lapuelle. "Le point sur l’usage unique en 1998". Acta Endoscopica 28, S4 (agosto 1998): 467–68. http://dx.doi.org/10.1007/bf03022487.
Testo completoGoto, Miwa. "The cosmic ray ionization rate in the central parsec of the Galaxy". Proceedings of the International Astronomical Union 9, S303 (ottobre 2013): 429–33. http://dx.doi.org/10.1017/s1743921314001070.
Testo completoDe Pourbaix, Isabelle, e François Nault. "Exploitation démographique d’une liste nominative unique". Articles 11, n. 1 (27 ottobre 2008): 101–30. http://dx.doi.org/10.7202/600870ar.
Testo completoRadhakrishnan, Sambhu, Sam Smet, C. Vinod Chandran, Sreeprasanth Pulinthanathu Sree, Karel Duerinckx, Gina Vanbutsele, Johan A. Martens e Eric Breynaert. "Prediction of Cu Zeolite NH3-SCR Activity from Variable Temperature 1H NMR Spectroscopy". Molecules 28, n. 18 (6 settembre 2023): 6456. http://dx.doi.org/10.3390/molecules28186456.
Testo completoDeshays, Daniel. "Face à l’idée de synchronisme. Notes d’un preneur de son sur le théâtre et le cinéma". Intermédialités, n. 19 (9 ottobre 2012): 85–101. http://dx.doi.org/10.7202/1012657ar.
Testo completoRossillon, Kléber. "Transfigurer des sites culturels et touristiques". Le journal de l'école de Paris du management N° 165, n. 1 (24 gennaio 2024): 22–28. http://dx.doi.org/10.3917/jepam.165.0022.
Testo completoLemieux, Thomas. "L’évolution des inégalités dans les pays industrialisés : le point sur la situation". Conférence François-Albert-Angers ‒ 2007 84, n. 3 (8 dicembre 2009): 241–62. http://dx.doi.org/10.7202/038708ar.
Testo completoChami, Jean. "La formation des enseignants a la lumiere de la psychanalyse1". Revista da FAEEBA - Educação e Contemporaneidade 60, n. 29 (31 dicembre 2020): 117–26. http://dx.doi.org/10.21879/faeeba2358-0194.2020.v29.n60.p117-126.
Testo completoBassetti, J. "(A245) Le Secours À Personnes, De La Difficulté D'une Doctrine Unique". Prehospital and Disaster Medicine 26, S1 (maggio 2011): s67. http://dx.doi.org/10.1017/s1049023x11002317.
Testo completoTesi sul tema "Spectroscopie sur point unique"
Chauvin, Nicolas. "Spectroscopie de la boîte quantique unique dans les systèmes InAs sur InP et InAs sur GaAs émettant à 1,3 µm : application aux sources localisées". Lyon, INSA, 2006. http://theses.insa-lyon.fr/publication/2006ISAL0051/these.pdf.
Testo completoQuantum dots are very promising in the field of quantum information which requires the use of single photons for quantum cryptography or quantum calculation. Thus, it is necessary to understand the physic of single InAs/GaAs and InAs/InP quantul dots emitting in 1. 3 to 1. 5 micrometer spectral range, wavelengths adapted for the transmission through optical fibres. In this thesis, we studied the exciton-biexciton complex, the fine structure splitting, the impact of the temperature and charged excitons in single quantum dots. We observed the dependence of the biexciton binding energy and of the fine structure splitting as a function of the InAs/InP quantum dot size. Moreover, the studies as a function of the temperature showed that the linewidth of the exciton recombination is in the meV range nitrogen temperature and in the 10-15 me V range at room temperature for the InAs/GaAs dots
Prin, Elise. "Propriétés optiques fondamentales de nanocristaux de semi-conducteurs individuels aux températures cryogéniques". Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0182.
Testo completoSemiconductor nanocrystals exhibit outstanding optical and electronic properties due to the quantum confinement of their charge carriers, making them valuable for various applications in optoelectronics, light-emitting devices, and spin-based technologies. Understanding the physics of the band-edge exciton, whose recombination is at the origin of their photoluminescence, is crucial for developing these applications. This thesis focuses on the experimental study of the optical properties of indium phosphide and lead halide perovskites nanocrystals. Using magneto-photoluminescence spectroscopy onsingle nanocrystals at low temperatures, we reveal spectral fingerprints highly sensitive to nanocrystal morphologies and elucidate the entire band-edge exciton fine structure and charge-complex binding energies. In InP/ZnS/ZnSe nanocrystals, the evolution of photoluminescence spectra and decays under magnetic fields show evidence for a ground dark exciton level lying less than a millielectronvolt below the bright exciton triplet, findings supported by a model accounting for the shape anisotropy of the InPcore. In lead halide perovskites, we demonstrate that the ground exciton state is dark and lies several millielectronvolts below the lowest bright exciton sublevels, settling the debate on the bright-dark exciton level ordering in these materials. Combining our results with spectroscopic measurements on various perovskite nanocrystal compounds, we establish universal scaling laws relating exciton fine structure splitting, trion and biexciton binding energies to the band-edge exciton energy in lead-halide perovskitenanostructures, regardless of their chemical composition. Lastly, preliminary spectroscopy analyses on perovskite nanorods with a high aspect ratio suggest their potential as candidates for quantum light emitters due to their characteristic single emission line
Busson, Mickaël. "Nano-Antennes Assemblées sur ADN et Alimentées par un Émetteur Quantique Unique". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00815549.
Testo completoHeurtault, Stéphane. "Propagation d'une piqûre unique de corrosion sur acier inoxydable austénitique". Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066443.
Testo completoThe electrochemical characterization of metastable events such as pitting corrosion of stainless steel in chloride electrolyte remains complex because many individual processes may occur simultaneously on the alloy surface. To overcome these difficulties, an experimental setup, the flow micro-device, has been developed to achieve the initiation of a single pit and to propagate the single pit in three dimensions. In this work, we take advantage of such a device in order to revisit the pitting process on a 316L stainless steel in a chloride – sulphate bulk. In a first step, the time evolution of the pit geometry (depth, radius) and the chemical evolution of the pit solution investigated using in situ Raman spectroscopy have shown that the pit depth propagation depends on the formation of a metal chloride and sulphate gel in the pit solution, and is controlled by the metallic cations diffusion from the pit bottom to the pit mouth. The pit radius growth is defined by the initial surface depassivation, by the presence of a pit cover and by the gel development in the solution. All of these phenomena are function of applied potential and chemical composition of the solution. In a last step, it was demonstrated that a critical chloride concentration is needed in order to maintain the pit propagation. This critical concentration slightly increases with the pit depth. From statistical analysis performed on identical experiments, a zone diagram showing the pit stability as a function of the chloride concentration and the pit dimensions was built
Lermusiaux, Laurent. "Nanostructures plasmoniques dynamiques assemblées sur ADN". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066007/document.
Testo completoWe demonstrate how gold nanoparticle dimers assembled around a single DNA template exhibiting a specific recognition site, provide a macroscopic optical signal depending on their chemical environment. Electrophoresis enables us to produce purified suspensions of gold nanoparticle dimers, with particle diameters ranging from 8 to 60 nm, with different surface chemistries and sample purities as high as 90%. The DNA template features a hairpin loop in order to switch its shape reversibly when binding a target DNA strand. Interparticle distances are estimated using cryo-electron microscopy and indicate a reversible change of the surface-to-surface distance by a factor of 3 in the case of 8 nm diameter gold particles. In order to translate the dynamic switching of a single DNA scaffold in a measurable optical signal, we study the scattering cross-sections of single 40 nm or 60 nm diameter gold nanoparticle dimers, in microfluidic conditions. We are able to progressively decrease the interparticle distance, at the nanometer scale, by increasing the local salt concentration. This deformation results in a spectral shift of the resonance (up to 100 nm) corresponding to a decrease of the interparticle distance from 20 to 1 nm. Moreover, the good correlation between the spectral responses of individual dimers, estimated using a spectrometer or a CCD color camera, enables us to demonstrate a wide-field low-cost detection method of the nanometric deformation of these nanostructures. Using amphiphilic ligands enables us to optimize the colloidal stability of gold nanoparticle dimers in order to minimize their sensitivity to the local ionic strength and temperature changes
Vicomte, Marie. "Définition et mise au point d'une sonde mini-saoz pour l'étude de l'impact des orages tropicaux sur la composition chimique de la stratosphère". Paris 6, 2013. http://www.theses.fr/2013PA066185.
Testo completoThe convective overshooting are phenomena known for a long time above the tropical continents. They are suspected to be a major source of tropospheric very short lived species, humidification by ice crystals injection, and possibly NOx formed by lightning in the lower stratosphere. However, measurements next and above such cumulo-nimbus clouds are not an easy task. The mini SAOZ is a UV-Visible spectrometer developed in LATMOS since 2009 on more advanced technology. This instrument is making measurements of atmospheric profiles of minor chemical species (O3, H2O, NO2, O4, O2, BrO, OClO,CH2O) by solar occultation. With its new high performance and light-weight payload, the mini-SAOZ is embedded on small balloons for studying the tropical convection. Two flights of qualification have taken place in Kiruna in 2010 and 2011 with the support of CNES. The results of the spectral analysis and the different problems met during the flights have permitted improvements of the instrument to be qualified for the next flights in tropics. Two flights of mini-SAOZ have been operated during the TRO-pico campaign, in 2012, whose objective was to better understand the impact of the tropical convection on the stratospheric chemical composition. The comparisons with other instruments validate the performances of the mini-SAOZ. However, the measurements get through this thesis don’t still permit to prove with certainty the mechanisms linked to the tropical convection
Moulin, Nicolas. "Influence des ions manganese sur la structure de bandes au point l de la zone de brillouin pour differents semiconducteurs semimagnetiques et sur le spectre de photoconductivite de znmnte". Montpellier 2, 1990. http://www.theses.fr/1990MON20009.
Testo completoPineau, Charles-Henri. "La spectroscopie hépatique par résonance magnétique du phosphore 31 : mise au point de protocoles d'études sur des cohortes à 1,5 et 2 tesla". Bordeaux 2, 1994. http://www.theses.fr/1994BOR23095.
Testo completoKaram, Habib. "Mise au point de la mesure de sections efficaces de réactions (n,XN) par spectroscopie γ prompte sur des cibles très radioactives". Strasbourg, 2009. http://www.theses.fr/2009STRA6014.
Testo completoThe “Bataille” law obliged the CNRS to develop researches on the reprocessing of the nuclear waste. It is in this frame that our group GRACE (Groupe de Recherche sur l’Aval du Cycle Electronucléaire) of the IPHC began researches that contribute to the development of the hybrid reactors. However, the field of research widened because it now includes studies to develop the Thorium cycle. GRACE has undertaken measurements of (n,xng) reactions cross sections badly known or for which no measurement exists yet. The experiments were performed at the “white” neutron beam generated by GELINA facility in Geel, Belgium. The time of flight technique was applied. The g spectroscopy used for these measurements requires the detection of g rays with a good energy resolution. Because of the existence of a g flash created at the same time as the neutron beam, a short dead time is also required, to be able to detect the high energy neutrons. GRACE managed to conciliate these two imperatives by finalizing a new method based on the digital treatment of the signal. Using large HPGe coaxial detectors, (n,xng) cross sections measurements on the 206,207,208Pb nuclei were successfully realized at a 200 m flight path. The work presented in this thesis consists in adapting the method to highly radioactive targets. For that reason, the new measurement took place on a 30 m flight path and planar germanium detectors were used. In order to check the correct functioning of the new experimental method, (n,n’g) cross section measurements on a natural lead target were done and the results found were compared with the experiments at 200 m and with the theoretical calculations of the TALYS code. After that, the partial inelastic scattering cross sections on the 182,186W were performed from the threshold up to 8 Mev. Finally, a 93,2% enriched 235U target was bombarded and three transitions due to the 235U(n,2ng)234U reaction were successfully analysed including the one from the 8+ to the 6+ state, never measured before. This work is an essential step for using this new method in order to measure the (n,2ng) reaction cross sections on the highly radioactive 233U isotope
Bounouar, Samir. "Corrélation de photons sur un émetteur de photons uniques semi-conducteur à température ambiante". Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00727393.
Testo completoLibri sul tema "Spectroscopie sur point unique"
SIMON, Guilhem, a cura di. Spectroscopies vibrationnelles. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.9782813002556.
Testo completoCapitoli di libri sul tema "Spectroscopie sur point unique"
Neisser, Clemens, e François Sauvagnat. "Discussions sur la paranoïa du point de vue clinique". In Psychose naissante, psychose unique ?, 85–96. Elsevier Masson (programme ReLIRE), 1991. http://dx.doi.org/10.3917/elma.grivo.1991.01.0085.
Testo completoHERRERA-FERRÁ, Karen. "Mondialisation de la neuroéthique : repenser le « marché mondial » du cerveau et de l’esprit". In Neuroéthique et diversité culturelle, 149–66. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9139.ch8.
Testo completoBardout, Jean-Christophe. "Cause and Reason: Is There an Occasionalist Structure to Malebranche’s Philosophy". In Oxford Studies in Early Modern Philosophy, 173–92. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780199279753.003.0006.
Testo completoAtti di convegni sul tema "Spectroscopie sur point unique"
Williams, Robert L., Elvedin Kljuno e J. Jim Zhu. "Spatial 3-SUR 1-RU Platform Robot Inverse Orientation Kinematics". In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59291.
Testo completoRapporti di organizzazioni sul tema "Spectroscopie sur point unique"
Dudoit, Alain. L’urgence du premier lien : la chaîne d’approvisionnement du Canada au point de rupture, un enjeu de sécurité nationale. CIRANO, giugno 2023. http://dx.doi.org/10.54932/zjzp6639.
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