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Guglielmi, Alexandre. "Propulseur à courant de Hall double étage à source RF inductive : étude expérimentale du fonctionnement et des instabilités basses fréquences". Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30243.
Pełny tekst źródłaUnlike chemical thrusters, electric Hall current thrusters are small motors used for station keeping, orbiting, and interplanetary missions. Often characterized by low thrusts, they have the advantage of having a very high ejection speed and specific impulse. The principle is based on the ionization of a rare gas (Xe, Kr) by a potential difference applied through a magnetic barrier. The locally weaker electronic conductivity in the barrier leads to the creation of an electric field in this region. The ions are then subjected to this field and are therefore accelerated to speeds which may exceed several tens of km/s. The electric field at this barrier is then responsible for the acceleration of the ions and therefore, simultaneously, for the thrust and the specific impulse. In order to modify independently these two parameters, a double stage Hall thruster (ID-Hall, Inductive Double stage HALL thruster)) has been developed. The first stage is the ionization stage, consisting of an independent plasma source (ICP source), and the second stage is the acceleration region with the magnetic barrier. Using different diagnostics (ionic flux probe, retarding potential analyzer, high speed camera, current-voltage probes, segmented anode, etc.) and a numerical model (HALLIS), we were able to characterize the plasma, its instabilities, and thruster performance. Despite the singular magnetic mapping of this thruster, the characteristics in single stage operation are comparable to those of conventional Hall current thrusters. In dual-stage operation, the RF source significantly affects the transport of electrons in the thruster. In addition, other double-stage results show that at low discharge voltages, the discharge current is lower than at single stage. The energy of the extracted ions is higher in double stage and the ion current decreases with increasing RF power but remains close to the ion current in single stage. This study was carried out in Xenon and Argon. Low-frequency oscillations of large amplitudes (Breathing Mode) were observed experimentally, analyzed by time-resolved probe and compared to results obtained by the model. Other azimuthal instabilities (Rotating Spokes) have also been identified as well as studied electrically and by imaging. As soon as the source is active, at low RF power, these previous instabilities are strongly attenuated, while at higher power, other azimuthal instabilities appear (Striations). These azimutals instabilities were also studied around the source alone, by imaging in different gases and using a PIC-MCC model
MERABET, HOCINE. "Etude de la stabilisation radiative consecutive a la double capture electronique dans les collisions ne#1#0#+ +he a basses energies. Roles des processus dielectroniques". Caen, 1996. http://www.theses.fr/1996CAEN2005.
Pełny tekst źródłaLuna, Iradi Tavares de. "Quarteto para contrabaixos 1995 de Ernst Mahle: análise interpretativa". Universidade Federal da Paraíba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/6608.
Pełny tekst źródłaCoordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
This dissertation proposes an interpretative and formal analyses of Ernst Mahle‟s Quarteto 1995 for double-basses , with the purpose to learn better ways to perform this piece. We did a bibliografic study in which we elucidate part of Mahle‟s trajectory as an educator, some of his theoretical handouts as well as his key compositions for double bass in order to lead performers to a better understanding of the thematic, formal, motivic and modal aspects present in the Quarteto 1995 .
A presente dissertação de mestrado propõe uma análise formal e interpretativa da peça Quarteto 1995 para Contrabaixos, de Ernst Mahle, no intuito de refletir sobre os caminhos para a sua performance, partindo de um estudo bibliográfico no qual mostramos um pouco da trajetória de Mahle como educador, algumas de suas apostilas teóricas e peças para contrabaixo, para auxiliar o interprete no entendimento dos aspectos temáticos, formais, motívicos e modais presentes no Quarteto 1995.
Bormann, denis. "Contribution à l'étude de la corrélation structure-propriétés dans certains solides carbonés intercalés". Montpellier 2, 1995. http://www.theses.fr/1995MON20118.
Pełny tekst źródłaTenconi, Margherita. "Development of luminescent bolometers and light detectors for neutrinoless double beta decay search". Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112224/document.
Pełny tekst źródłaNeutrinoless Double Beta Decay (0νDBD) is regarded as an important key in the decryption of some hot astroparticle and cosmological enigmas: it violates lepton number by two units and it is currently the only known practical way to shed light on the neutrino nature, being possible only in case of a Majorana neutrino, identical to its antiparticle. Moreover, the 0νDBD rate is sensitive to the effective neutrino mass, so it would be useful to define the absolute neutrino mass scale and hierarchy. The experimental footprint of 0νDBD is a monochromatic peak in the sum energy spectrum of the two emitted electrons. Next-generation experiments aim at reaching a sensitivity on the effective neutrino mass of the order of ten meV, corresponding to half lives in the range 10²⁷-10²⁸ years: this means to be able to gather, at least, a few hundred kilograms of 0νDBD candidate isotope source and to efficiently scrutinize it with very sensitive detectors. Meanwhile, background levels in the energy region of interest of the 0νDBD signal should be lowered to less than one count/ton/y. Cryogenic luminescent bolometers are a promising technique for 0νDBD search, as they feature excellent energy resolutions, high detection efficiency, flexibility in the material choice and easy scalability to large modular experiments; furthermore, the simultaneous read-out of heat and light signals produced by particle interactions provides an active discrimination method against the dangerous α contaminations, populating the 0νDBD energy region of several interesting candidate isotopes. The work presented in this dissertation was carried out in the context of the LUMINEU project: a pilot experiment focused on zinc molybdate scintillating bolometers, to define the strategies for the construction of a next-generation experiment based on the 0νDBD candidate ¹⁰⁰Mo. In view of the construction of a large 0νDBD experiment, involving hundreds of modules, systematic cryogenic measurements have to be performed to ensure good performance and reproducibility of the detectors and their components. Aboveground facilities are preferred for routinary tests because of their easier accessibility: most of the tests were carried out at CSNSM, where I also worked on the setup of a new cryogenic apparatus, based on the Pulse-Tube technology. One part of my thesis work saw the study of bolometric light detectors based on germanium absorbers and Neutron Transmutation Doped (NTD) thermometers: a proper design was developed in view of LUMINEU and the devices were characterized in terms of sensitivity, energy resolution, baseline noise and reproducibility. The results are compatible with a 0νDBD search final experiment, though this detector configuration is very sensitive to vibrational noise. In addition, the feasibility of bolometric light detectors based on NTD thermometers and Neganov-Luke amplification was investigated, demonstrating that this technique can actually boost the signal-to-noise gain to a level compatible with event discrimination based on Cherenkov light detection. Another part of my work dealt with the test of scintillating zinc molybdate bolometers of mass up to ~300 g, coupled to the aforementioned light detectors and operated both in the aboveground facilities at CSNSM and underground at Modane, in the cryostat of the EDELWEISS Dark Matter search experiment. Good event discrimination capability was achieved: thanks to double read-out of heat and light, it is possible to identify α particles, the threatening background for 0νDBD interests, against β/γ interactions. The results proved the possibility to pre-characterize aboveground detectors of mass close to the one of a final experiment module, despite the high cosmic rays rates. Besides, the measurements opened the way to the mutual compatibility of the underground setup, conceived for another kind of experiment, and LUMINEU 0νDBD search detectors
Hahn, Soonkap. "Double hydrogen bonding of 1, 8-biphenylenediol with various bases /". The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487260531954656.
Pełny tekst źródłaChauveau, Emmanuel. "Développement de compteurs à scintillation hautes performances et de très basse radioactivité pour le calorimètre du projet SuperNEMO". Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14103/document.
Pełny tekst źródłaSuperNEMO is a next generation double beta decay experiment which will extend the successful “tracko-calo” technique employed in NEMO 3. The main characteristic of this type of detector is to identify not only double beta decays, but also to mesure its own background components. The projet aims to reach a sensitivity up to 1026 years on the half-life of 82Se. One of the main challenge of the Research and Development is to achieve an unprecedented energy resolution for the electron calorimeter, better than 8 % FWHM at 1 MeV.This thesis contributes to improve scintillators and photomultiplicators performances and reduce their radioactivity, including in particular the development of a new photomultiplier in collaboration with Photonis
Meige, Albert. "Simulations numériques de plasmas basse pression : applications aux doubles couches". Toulouse 3, 2006. http://www.theses.fr/2006TOU30203.
Pełny tekst źródłaInductive plasmas are simulated by using a one-dimensional particle-in-cell simulation including Monte Carlo collision techniques (pic/mcc). To model inductive heating, a non-uniform radio-frequency (rf) electric field, perpendicular to the electron motion is included into the classical particle-in-cell scheme. The inductive plasma pic simulation is used to confirm recent experimental results that electric double layers can form in current-free plasmas. These results differ from previous experimental or simulation systems where the double layers are driven by a current or by imposed potential differences. The formation of a super-sonic ion beam, resulting from the ions accelerated through the potential drop of the double layer and predicted by the pic simulation is confirmed with nonperturbative laser-induced fluorescence measurements of ion flow. It is shown that at low pressure, where the electron mean free path is of the order of, or greater than the system length, the electron energy distribution function (eedf) is close to Maxwellian, except for its tail which is depleted at energies higher than the plasma potential. Evidence supporting that this depletion is mostly due to the high-energy electrons escaping to the walls is given. .
MELLAC, SOPHIE. "Etudes par rmn de mesappariements dus a des bases modifiees ou a des bases non complementaires dans l'adn en double helice". Paris 6, 1994. http://www.theses.fr/1994PA066187.
Pełny tekst źródłaDelatour, Thierry. "Photooxydation des bases de l'ADN : mécanismes et caractérisation de lésions doubles". Université Joseph Fourier (Grenoble ; 1971-2015), 1998. http://www.theses.fr/1998GRE10219.
Pełny tekst źródłaPlihon, Nicolas. "Stabilité et structure électrique d'une décharge inductive en gaz électronégatif". Palaiseau, Ecole polytechnique, 2004. http://www.theses.fr/2006EPXX0009.
Pełny tekst źródłaBretheau, Landry. "Localized Excitations in Superconducting Atomic Contacts : Probing the Andreev Doublet". Palaiseau, Ecole polytechnique, 2013. http://pastel.archives-ouvertes.fr/pastel-00862029.
Pełny tekst źródłaThis thesis discusses two experiments highlighting the existence of a fermionic degree of freedom in the Josephson effect: the Andreev doublet. They are both performed on the most basic Josephson element, a one-atom contact between two superconducting electrodes. In the first one, we observed the disappearance of the supercurrent, which reflects the spontaneous trapping of a quasiparticle in one of two Andreev bound states. In the second experiment we achieved the photon-absorption spectroscopy of this two-level system, using a Josephson junction as an integrated on-chip microwave emitter and detector. The observed spectra are well accounted for by a spin-boson model including the Andreev doublet and an electromagnetic mode of the environment
Bafail, Duaa. "The Effect of Damaged Bases on The End Joining of DNA Double Strand Break Ends". VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3516.
Pełny tekst źródłaPicard, Virginie. "Structure et dynamique du potamoplancton de la Loire moyenne (France) en période de basses eaux". Clermont-Ferrand 2, 2003. http://www.theses.fr/2003CLF21424.
Pełny tekst źródłaKarnebäck, Josef. "Momentum : att utmana basens roll i en ensemble". Thesis, Kungl. Musikhögskolan, Institutionen för jazz, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kmh:diva-1848.
Pełny tekst źródłaFocusing on the role of the bass in music. How is the instrument used in an ensemble? What happens if it develops and finds new spaces in the group? A work about creating music with influences from jazz and fusion that puts the bass in a new light.
Sarazin, Xavier. "Recherche de la double désintégration beta sans émission de neutrino. Le détecteur BiPo". Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00705459.
Pełny tekst źródłaSauty, Christophe. "L'homme et la basse vallée du Doubs de Petit-Noir (39) à Verdun-sur-le-Doubs (71) : entre mémoire et histoire". Besançon, 2007. http://www.theses.fr/2007BESA1020.
Pełny tekst źródłaThe aim of this thesis is to perceive the state of the settlement during the different prehistorical and historical periods (from the ancient prehistory to the modern or contemporary times) and to study its evolution in the specific context of the lower valley of the Doubs river on a plan which runs from Petit-Noir / Neublans, at the limit of the Jura, to the confluence Saône / Doubs in Saône-et-Loire. It corresponds to about twenty cities. This zone is a wetland, deeply affected by the Doubs river; an important aspect of the problematic is therefore to give a better understanding of the relationship men could have with a milieu, which was both hostile (floods) and attractive (communication, agriculture). That’s why we have meant to define the milieu in which men were able to settle at various moments thanks to the use of various sciences (palynology, geology, climatology, pedology, etc. ) we defined the milieu in which men lived; besides, we could study the evolution of the lower riverbed of the Doubs for the last five centuriesthrough the use of ancient maps and thanks to the air missions of the National Geographic Institute. We can thus split our zone into two parts. One goes from Petit-Noir to Mont-les-Seurre where the river had an intense alluvial dynamic (meander, forks, braids)* the other runs from Mont-Les-Seurre to Verdun-sur-le-Doubs, where the Doubs river has not evolved so much since at least Proto-History (certified presence of quite stable fords). Situated between the plain of Dôle (le Finage) to the North, ‘la Bresse Jurassienne’ and ‘Burgundian’ to the West and to the South and also the Burgundian margin to the West this area of the Lower Valley of ‘le Doubs’ is, on the human level, a buffer zone for different reasons: buffer zone between ‘la bourgogne’ and ‘la franche-comté’, it was already settled by the Eduens and the Sequanes during Antiquity (from the Iron Age to the Roman Period) ; situated on the fundamental axis between four rivers, Rhône – Saône – Doubs – Rhin, it’s certainly been a trade zone since the Paleolithic and was indeed settled by agrarian populations since the Neolithic. Concerning Protohistory as well as the Roamn times, our corpus confirms that the rural settelement increased, that the road network improved tremendously, and that trades became more dynamic; while in the Middle Ages appeared a new system of geographic organisation and space management which announced the changes to come. In the end, although until 1950 the number of known sites remained minimal – giving the image of a zone which was deserted for natural reasons, the new prospectings of the 1980s allow to notice more than one thousand of archeological impacts, proving today that this zone had been by no means a no man’s land but had actually been a very active area since Prehistory. For all these questions (volume 1) we have intended to mobilise all the possible historical and archeological datas, which explains the large amount of invory datas in this thesis (volume 2, 3 and 4). Concerning the method, our biggest difficulty was less to find in different places the documentary ressources we needed to build up our problematic than to articulated these different series of ressources together; series which constantly waver between dated, not dated or dated approximately, between continuous and fragmented, punctual and belonging to spatiality or else between limited and territorialized. That’s why it had an impact on the archeological discourse, placing it between History and Memory
Bounouar, Mohamed Amine. "Transistors mono-électroniques double-grille : modélisation, conception & évaluation d'architectures logiques". Thèse, Université de Sherbrooke, 2013. http://hdl.handle.net/11143/6117.
Pełny tekst źródłaKhemliche, Hocine. "Determination experimentale des amplitudes de population complexes des sous-niveaux magnetiques issus d'une double capture a basse energie". Paris 6, 1994. http://www.theses.fr/1994PA066611.
Pełny tekst źródłaGoios, Borges de Almeida Andre. "The physics of double-reed wind instruments and its application to sound synthesis". Paris 6, 2006. http://www.theses.fr/2006PA066179.
Pełny tekst źródłaThis thesis is dedicated to the study of the driving mechanism of double-reed woodwinds. It is firstly studied experimentally in a global manner, by measuring the quasi-static non-linear characteristics, which can be compared to generic models of reed instruments proposed in the past. The details of the reed mechanics and the flow through it are studied in depth, allowing to explain the differences observed in the non-linear characteristics curve. A new quasi-static model is then proposed for the double-reed, and some considerations are made about its validity in the oscillating regimes. This mathematical model is applied to sound synthesis by physical modelling of an oboe
Chesnel, Jean-Yves. "Dependance en energie des processus responsables de la double capture electronique lors des collisions c#6#+ +he et ne#1#0#+ +he a basse et tres basse vitesse". Caen, 1996. http://www.theses.fr/1996CAEN2019.
Pełny tekst źródłaJacob, Sandrine. "Impact du système de réparation des mésappariements de bases dans la réponse des cancers colorectaux aux inhibiteurs de topoisomérases". Paris 6, 2004. http://www.theses.fr/2004PA066165.
Pełny tekst źródłaDoridant, Adrien. "Transistor bipolaire basse fréquence pour application spatiale et de défense soumis à une double agression onde électromagnétique : - dose Ionisante". Thesis, Montpellier 2, 2013. http://www.theses.fr/2012MON20058/document.
Pełny tekst źródłaNowadays, economic constraints push space and aeronautical industries to use Commercial Off The Shelf (COTS) components, even though natural space environment constitutes a real challenge for electronic reliability due to ionizing particles. In addition to this problem, technological advancements lead to a decrease in device consumption inducing smaller electromagnetic susceptibility margins. Hence, integrated circuits are more sensitive to both Electromagnetic Interferences (EMI) and ionizing dose, which may threaten satellite missions. This thesis reveals precursor work in the field of combined ionizing dose and high frequency (HF) interferences on bipolar transistors designed for low frequency applications. Classical discrete low frequency bipolar transistors biased at integrated-circuit level of currents are put under study. A change of the voltage output when the device is subject to a continuous sine aggression (CW) in the range 100 MHz - 5 GHz is observed. This CW waveform allows an analysis of the response of the transistor in a steady state. It is important to note that the change in behavior of the transistor occurs even for interference frequency bands way higher than the operating frequencies of the device. We identified the different physical mechanisms involved during high frequency interference injection: rectification and current crowding. Then we studied the influence on the behavior under interference of different parameters: frequency and power of the interference signal, low frequency and RF frequency package of the transistor, values of elements of the bias circuit. A simple criterion to predict the way of change in the output voltage of the transistor is proposed. The same experiments were conducted on the transistors irradiated with a cobalt 60 source. We highlighted the importance for high-frequency susceptibility of the change induced by ionizing dose near the emitter base junction. Hence the susceptibility must be considered for different bias operations for different ionizing dose rates. Finally, our interest focused on another type of HF interference: a sine wave modulated by a pulse signal. With this type of signal, the transient behavior of the transistor under interference is analyzed. It highlights the importance of internal and external capacitances of the device on its response. Here again ionizing dose influences the electromagnetic susceptibility of the transistor
Sahbani, Saloua. "Effets des radiations gamma et des électrons de basse énergie sur la fonctionnalité de l'ADN". Thèse, Université de Sherbrooke, 2014. http://hdl.handle.net/11143/5976.
Pełny tekst źródłaBLUMENFELD, DE VITRY LAURE. "Etats preferentiels de double capture lors de collisions de basse vitesse (o#8#+he, h#2 a 1,3 kev/amu)". Paris 11, 1991. http://www.theses.fr/1991PA112063.
Pełny tekst źródłaSoussi, Chaima. "Développement de modèles numériques pour l'évaluation des performances vibro-acoustiques de fenêtres en basse fréquence". Thesis, Paris, HESAM, 2020. http://www.theses.fr/2020HESAC014.
Pełny tekst źródłaThis doctoral thesis focuses on the numerical prediction of the sound transmission of insulating double glazing and wooden windows in the low frequency range. In this context, the finite element method is used to solve the multiphysical problem. This choice is justified by the fact that this approach is suitable for the resolution of fluid-structure interaction problems in low frequencies, due in particular to its flexibility in taking into account the coupling between domains and the geometrical and material complexities of the structures. To reach the desired objective, experimental modal analyses of the main components of a window, and then of a complete window, are performed in order to calibrate the numerical models. In addition, the effect of experimental conditions on the measurement of the sound transmission loss is analysed through the definition of four numerical configurations of the acoustic laboratory test. These configurations, whose difference is linked to the representation of the emitting and receiving chambers, allow to highlight their influence on the determination of the transmission loss below the Shroeder frequency. The numerical results, obtained with a free-field configuration for double glazing and windows, are compared to experimental results to evaluate the efficiency and validity of the developed models. Finally, parametric studies are carried out to investigate the influence on the sound transmission loss of some parameters such as (i) the properties of the glazing or sealing system, (ii) the characteristics of the inter-glazing cavity, and (iii) the boundary conditions
Moriceau, Sebastien. "Surfaces de degré 4 avec un point double non dégénéré dans l'espace projectif réel de dimension 3". Rennes 1, 2004. http://www.theses.fr/2004REN10130.
Pełny tekst źródłaKhalife, Hawraa. "CROSS and CUPID-Mo : future strategies and new results in bolometric search for 0νββ". Thesis, université Paris-Saclay, 2021. http://www.theses.fr/2021UPASP002.
Pełny tekst źródłaNeutrinoless double-beta decay is a hypothetical rare nuclear transition (T₁/₂>10²⁶ yr). Its observation would provide an important insight about the nature of neutrinos ascertaining that they are Majorana particles and demonstrating that the lepton number is not conserved. This decay can be investigated with bolometers embedding the double beta decay isotope, the possibility to investigate this rare process is strongly influenced by the background level in the region of interest. A new R&D has recently begun within the CROSS project (Cryogenic Rare-event Observatory with Surface Sensitivity) aiming at the development of bolometric detectors, embedding the promising isotopes ¹⁰⁰Mo and ¹³⁰Te, capable of discriminating surface α et β interactions by exploiting the properties of superconducting material (Al film) or normal metal (Pd film) deposited on the crystal faces (Li₂MoO₄ and TeO₂). These films work as pulse-shape modifiers. The results of the tests on prototypes performed at CSNSM (Orsay, France) showed the capability of a few- μm (nm)-thick Al (Pd) film deposited on the crystal surface to discriminate surface from bulk events, with the required rejection level of the surface background. While Al film can only identify surface α particles, with normal-metal films we were able to separate also the β surface component. This is a breakthrough in bolometric technology for double beta decay that could lead to reach a background index in the range 10⁻⁵ counts/(keV kg yr). In addition, the thesis covers the CUPID-Mo experiment, a demonstrator of CUPID, the next-generation ton-scale cryogenic 0νββ experiment. CUPID-Mo employs Li₂MoO₄ scintillating bolometers that allows to discriminate between α and β/γ, thus rejecting the dominant contribution on the background that consists in α particle interactions. The experiment achieved a new limit on the half-life of 0νββ decay in ¹⁰⁰Mo of T₁/₂> 1.5 x 10²⁴ yr at 90% C.I., the best ever obtained worldwide on this isotope
LECUBIN, FLORENCE. "Synthese et etude de nouvelles bases heterocycliques : extension des motifs de reconnaissance de l'adn double brin par les oligonucleotides anti-genes". Paris 11, 1999. http://www.theses.fr/1999PA112083.
Pełny tekst źródłaMaring, Bayta Louise. "The metaphorical bases of children's developing theories of mind /". view abstract or download file of text, 2003. http://wwwlib.umi.com/cr/uoregon/fullcit?p3102179.
Pełny tekst źródłaTypescript. Includes vita and abstract. Includes bibliographical references (leaves 186-192). Also available for download via the World Wide Web; free to University of Oregon users.
Freitas, Philippe. "Apports et limitations de la technologie MOS double grille à grilles à grilles indépendantes sub-45nm pour la conception analogique basse fréquence". Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13987/document.
Pełny tekst źródłaThe aim of this thesis is to study the contributions and the limitations of Independently Driven Double Gate MOS transistors in regard of the low frequency analog design. This device is one of the candidates for the replacement of the current bulk MOS technology since the gate length of the transistors cannot be efficiently decreased under 30nm. Even if the IDGMOS technology is mainly designed for digital and radio frequency applications, the independent drive of the gates should also improve the design of analog circuits ant it would provide solutions to the future circuits issues. First, this work focuses upon the IDGMOS’s behaviour, going a little deeper into the effects of the coupling that exists between its interfaces. Using the electrical characteristics of the transistor and simplifying its model, this report then reviews the static and dynamic laws of the component in order to extract a simple description of its operation modes. Secondly, a state of the art concerning both the future environment and issues is presented, followed by the solutions which currently exist using the standard MOS technology. A brief comparison between an advanced MOS technology and an IDGMOS model fitted on the ITRS parameters is given. However, these ideal parameters prevent this work from establishing a practical conclusion whereas the aforementioned theoretical studies can be used for providing a better understanding of the IDGMOS contributions. Those are reviewed just before the last part of the report which presents some basic analog circuits and their enhancement using double gate transistors. This chapter first emphasizes each important aspect of the device operating within the circuits and it thus concludes on an interesting comparison between two complete low supply voltage amplifiers, the first one designed using IDGMOS transistors and the other one based on bulk driven MOS devices
Bounouar, Mohamed Amine. "Transistors mono-electroniques double-grille : Modélisation, conception and évaluation d'architectures logiques". Phd thesis, INSA de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00967363.
Pełny tekst źródłaLaquerre, Pierre. "Conception d'une chaîne de traitement analogique de signaux vidéo en technologie CMOS basse tension pour applications aux instruments d'observation de la Terre". Phd thesis, Toulouse, INPT, 2007. http://oatao.univ-toulouse.fr/7602/1/laquerre.pdf.
Pełny tekst źródłaHansson, Anna. "Balans i bas och kropp : En basists sittställning och hur det påverkar ljudet". Thesis, Kungl. Musikhögskolan, Institutionen för klassisk musik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kmh:diva-2788.
Pełny tekst źródłaAbout your seating position and how to produce sound. A study of how double basists use their bodies and how to play double bass without injuring your body.
G. Bottesini "Elegy no.3". Pianist Erik Lanninger
A. Vivaldi "Cello sonata no.3 in A-minor" Cembalo Anna Paradiso
A. Pärt "Spiegel im Spiegel". Pianist Erik Lanninger
E. Bloch "The Prayer" från "Jewish Life". Pianist Helena Hansson
G. Bottesini "Concerto for Double Bass and Orchestra no.2 in B-minor". Violin Lina Samuelsson, Lisa Chenevier, viola Doris Mägi, cello Viktoria Hillerhud, kontrabas Jennifer Downing Olsson.
I tillhörande video förekommer Prayer av Bloch och Elegy av Bottesini. Medverkar gör Helena Hansson och Erik Lanninger.
Giudice, Emmanuel. "Etude par dynamique moléculaire des aspects énergétiques et conformationnels des déformations de la double hélice d'ADN en fonction de sa séquence de bases". Paris 6, 2003. http://www.theses.fr/2003PA066139.
Pełny tekst źródłaSerrano, Antón Fernando. "Report on OCDE’s tax bases erosion and shifting benefits: origin and implementation within international and global framework". Pontificia Universidad Católica del Perú, 2014. http://repositorio.pucp.edu.pe/index/handle/123456789/115680.
Pełny tekst źródłaEl trabajo propone al lector un análisis de las circunstancias que han dado lugar al Informe de la Organización para la Cooperación y el Desarrollo Económico (OCDE) sobre la erosión de bases imponibles y la traslación de beneficios. En el contexto actual de globalización económica, la falta de coherencia de los sistemas fiscales y el unilateralismo han podido dar lugar a situaciones fiscales asimétricas, en gran parte aprovechadas por las multinacionales. Son también objeto de examen los medios e instrumentos utilizados y propuestos por distintas instituciones internacionales para implementar sus acciones con fuerza legal, en concreto, a través del soft law y su aceptación por parte de los distintos Estados, como método utilizado en la lucha contra la evasión y fraude fiscal.
Bretheau, Landry. "Excitations Localisées dans des Contacts Atomiques Supraconducteurs : SONDER LE DOUBLET D'ANDREEV". Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00862029.
Pełny tekst źródłaBongrand, Mathieu. "Mesure de processus de double désintégration bêta du 130Te dans l'expérience NEMO 3. RetD du projet SuperNEMO : étude d'un détecteur BiPo". Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00342721.
Pełny tekst źródłaBounouar, Mohamed Amine. "Transistors mono-electroniques double-grille : Modélisation, conception and évaluation d’architectures logiques". Thesis, Lyon, INSA, 2013. http://www.theses.fr/2013ISAL0068/document.
Pełny tekst źródłaIn this work, we have presented a physics-based analytical SET model for hybrid SET-CMOS circuit simulations. A realistic SET modeling approach has been used to provide a compact SET model that takes several conduction mechanisms into account and closely matches experimental SET characteristics. The model is implemented in Verilog-A language, and can provide suitable environment to simulate hybrid SET-CMOS architectures. We have presented logic circuit design technique based on double gate metallic SET at room temperature. We have also shown the flexibility that the second gate can bring in order to configure the SET into P-type and N-type. Given that the same device is utilized, the circuit design approach exhibits regularity of the logic gate that simplifies the design process and leads to reduce the increasing process variations. Afterwards, we have addressed a new Boolean logic family based on DG-SET. An evaluation of the performance metrics have been carried out to quantify SET technology at the circuit level and compared to advanced CMOS technology nodes. SET-based static memory was achieved and performances metrics have been discussed. At the architectural level, we have investigated both full DG-SET based arithmetic logic blocks (FA and ALU) and programmable logic circuits to emphasize the low power aspect of the technology. The extra power reduction of SETs based logic gates compared to the CMOS makes this technology much attractive for ultra-low power embedded applications. In this way, architectures based on SETs may offer a new computational paradigm with low power consumption and low voltage operation. We have also addressed a flexible logic design methodology based on DG-SET transmission gates. Unlike conventional design approach, the XOR / XNOR behavior can be efficiently implemented with only 4 transistors. Moreover, this approach allows obtaining reconfigurable XOR / XNOR gates by swapping the cell biasing. Given that the same device is utilized, the structure can be physically implemented and established in a regular manner. Finally, complex logic gates based on DG-SET transmission gates offer an improvement in terms of transistor device count and power consumption compared to standard complementary SETs implementations.Process variations are introduced through our model enabling then a statistical study to better estimate the SET-based circuit performances and robustness. SET features low power but limited operating frequency, i.e. the parasitics linked to the interconnects reduce the circuit operating frequency as the SET Ion current is limited to the nA range. In term of perspectives: i) detailed studying the impact on SET-based logic cells of process variation and random back ground charge ii) considering multi-level computational model and their associate architectures iii) investigating new computation paradigms (neuro-inspired architectures, quantum cellular automata) should be considered for future works
Armatol, Antoine. "Innovative methods for background rejection in next-generation neutrinoless double beta decay bolometric experiments". Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASP105.
Pełny tekst źródłaThe search for neutrinoless double beta decay (0ν2β) is a major challenge in contemporary physics, as its observation would demonstrate that the neutrino is a Majorana particle. The half-life of the process being related to the effective Majorana mass mββ, it would also provide a measure of the neutrino mass scale and information on its mass hierarchy. The next-generation experiment CUPID aims to reach a sensitivity high enough to explore completely the region of possible values for mββ in the case of the inverted hierarchy. It will use scintillating bolometers made of a Li₂MoO₄ (LMO) crystal, containing ¹⁰⁰Mo as the 2β candidate isotope, coupled to a Ge bolometric light detector. Thanks to the dual light/heat readout, CUPID will be able to reject the background due to α particles, which is the main source limiting the sensitivity of CUORE, its predecessor, and aims to achieve a background level of 10⁻⁴ counts/kg/keV/year (ckky) in the region of interest (ROI). However, if the 0ν2β still eludes us after CUPID, we will have to push the background reduction even further to explore the spectrum of values for mββ possible in the case of the normal mass hierarchy. It is in this context that BINGO (Bi-Isotope 0ν2β Next Generation Observatory) and the work of this thesis lay. This project aims to test innovative methods for achieving a background of 10⁻⁵ ckky in the ROI of ¹⁰⁰Mo but also of ¹³⁰Te, respectively embedded in LMO and TeO₂ crystals. Firstly, an innovative assembly of bolometers reducing the amount of passive material around the detectors has been developed and validated. Secondly, R&D on implementing a cryogenic active veto composed of scintillators around the volume containing the bolometers was done to reject external γ events by coincidence. A study of potential candidates led to the selection of the BGO for the material. A cryogenic test of a prototype veto module containing two BGOs is also reported in this thesis. Other light collection measurements have also been done at room temperature. Finally, to use TeO₂ crystals as scintillating bolometers, it is necessary to boost the performance of the light detectors. To achieve this goal, BINGO will operate light detectors using the Neganov-Trofimov-Luke (NTL) effect to amplify the signal. An R&D campaign has been conducted to test a new method for depositing aluminum electrodes and different electrode geometries
Valdaperez, Nicolas. "Etude des caractéristiques statiques et du bruit basse fréquence de transistors bipolaires NPN intégrés dans des procédés BiCMOS haute fréquence à simple et double polysilicium". Phd thesis, Université de Caen, 2002. http://tel.archives-ouvertes.fr/tel-00002862.
Pełny tekst źródłaBongrand, Mathieu. "Mesure des processus de double désintégration bêta du 130 Te dans l'expérience NEMO 3R&D du projet SuperNEMO : étude d'un détecteur BiPo". Paris 11, 2008. http://www.theses.fr/2008PA112141.
Pełny tekst źródłaThere are 2 parts in this thesis: one analysis of the NEMO3 experiment data associated with a study of a BiPo detector for the SuperNEMO project. NEMO3 is searching for double beta decay process using direct detection of the two emitted electrons by a tracking detector coupled to a calorimeter. I completely studied the backgrounds and therefore gave the most precise measurement of the allowed process with neutrinos emission for 130Te: T1/2 = 6. 1±1. 2(stat)±0. 4(syst)x1020 yr. This result also constraints theoretical calculations for the neutrino effective mass m of 130Te: T1/2 >5. 0x1022 yr et m<1. 5–5. 3 eV. SuperNEMO is a project with 100 kg of emitters to measure T1/2 >1026 yr, using the NEMO3 detection principle but improving efficiency, radiopurity, energy resolution and reducing backgrounds. This background will be then limited by natural radioactive contaminations inside the source foils. Thus the SuperNEMO specifications are very high (A(208Tl)<2 Bq/kg) and not measurable by actual detectors. The collaboration decided to study a BiPo detector to measure 208Tl, using identification of the 212Bi→212Po→208Pb chain. Foil source to measure is put between two scintillator plans allowing energy and time measurements. I studied BiPo1 prototype, showed its technical feasibility, validated the principle and determined the sensitivity of the source measurement compared to backgrounds. Data analysis of BiPo1 showed the possibility to measure 5 Bq/kg of 208Tl with the final BiPo. This result is not so far from SuperNEMO requirements and already shows a gain factor of 4 compared to actual detection possibilities
Frémont, François. "Double capture electronique dans les collisions a basse energie entre un ion c#6#+ ne#1#0#+ et une cible d'helium. Processus dielectroniques et effets d'alignement". Caen, 1993. http://www.theses.fr/1993CAEN2037.
Pełny tekst źródłaPerron, Alain. "Duo concertant ; : Dorléac ; Relevés no. 7 ; Séquences voilées ; Double éclat : œuvres musicales". Master's thesis, Université Laval, 1992. http://hdl.handle.net/20.500.11794/28621.
Pełny tekst źródłaGombault, Aurélie. "Etude de la régulation d'une protéine GAP de Ras de la levure à l'homme". Phd thesis, Université d'Orléans, 2008. http://tel.archives-ouvertes.fr/tel-00387553.
Pełny tekst źródłaBortolon, Liane Balvedi Poersch. "Bases moleculares da resposta à seca e caracterização do potencial androgenético a cultivares brasileiras de trigo". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/150715.
Pełny tekst źródłaWheat (Triticum aestivum L.) is an important crop cultivated in Brazil. Few cultivars are recommended for rainfed production in the Cerrado Biome where water scarcity limits grain yield. Here we report a transcriptome analysis of MGS1 Aliança (a wheat cultivar adapted to the Cerrado) under drought stress. A set of 4,422 differentially expressed transcripts was found in roots and leaves. The number of down-regulated transcripts in roots (1,102) was lower than the up-regulated transcripts (1,706), while the opposite occurred in leaves (1,017 induced and 647 repressed). The number of common transcripts between the two tissues was 1,249, while 2,124 were specific to roots and 1,049 specific to leaves. Quantitative RT-PCR analysis of 35 randomly selected transcripts revealed a 0.78 correlation with the transcriptome data. The differentially expressed transcripts were distributed across all chromosomes and component genomes. The number of transcripts on the B genome was greater than on the A and D genomes. Additionally, a greater number of drought related transcripts was mapped on chromosomes 3B, 5B and 5D. When considering both tissues, 116 different metabolic pathways were changed. One common pathway, among the top three changed pathways in both tissues, was starch and sucrose metabolism. The comparison of root- and leaf-derived transcripts allows the identification of important transcripts related to water stress response in each of these tissues. It also paves the way for future marker development and selection of candidate genes linked to that trait. These results are useful for understanding the metabolic pathways involved in wheat drought response. The information generated will be used for transgenic wheat purposes. For this the doubled-haploid method is desirable and an investigation about the protocol eficiency is needed. Microspores are gametic cells with capacity to give rise to a new plant via in vitro embryogenesis. Doubled haploid plants generated by isolated microspore culture are completely homozygous and represent an important tool for plant genetics and breeding research. This process is triggered by different stress pretreatments, which are employed to switch microspores from gametophytic to a sporophytic pathway. Although isolated microspore culture has innumerous advantages, important limitations have prevented its application on a large scale. Genotypic differences in androgenic response and the formation of albino plants remain great challenges. Although albinism is a major genetic characteristic, appropriated pretreatments and culture medium can avoid this phenomenon to some extent. The androgenic response of five Brazilian wheat genotypes was evaluated in the present study. Two pretreatments were tested: cold (4°C) and 2-hydroxynicotinic acid (100 mg/L). Cold was better than chemical pretreatment, producing more green plants in four out of five genotypes. Only two Brazilian genotypes treated with 2-hydroxynicotinic acid produced plants, and one of them produced a single albino plant. Our results also show that semi-liquid medium (containing 10% Ficoll) promoted a higher androgenic response than did liquid medium, increasing the number of embryos and regenerated plants.
Kanté, Wayé. "Etude de l'interface biomatériau - protéines plasmatiques humaines sous l'écoulement généré par l'électrode à disque tournant, au moyen de méthodes basées sur l'impédance électrochimique et de capacité de double couche". Paris 13, 2001. http://www.theses.fr/2001PA132007.
Pełny tekst źródłaPlihon, Nicolas. "Stabilité et structure électrique d'une décharge inductive en gaz électronégatif". Phd thesis, Ecole Polytechnique X, 2006. http://tel.archives-ouvertes.fr/tel-00083948.
Pełny tekst źródłaKrebs, Daniel. "Pricing a basket option when volatility is capped using affinejump-diffusion models". Thesis, KTH, Matematisk statistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123395.
Pełny tekst źródłaChangeux, Thomas. "Structure des peuplements de poissons à l'échelle du bassin rhodanien : approche régionale et organisation longitudinale : exploitation des captures par pêche aux engins". Lyon 1, 1994. http://www.theses.fr/1994LYO10112.
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