WorldCat Identities

Université Grenoble Alpes (2020-....).

Overview
Works: 1,700 works in 1,701 publications in 2 languages and 1,728 library holdings
Genres: Conference papers and proceedings 
Roles: Degree grantor, Organizer of meeting, Other, Editor
Classifications: KJE9404.95, 345.24
Publication Timeline
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Most widely held works by Université Grenoble Alpes (2020-....).
La création du Parquet européen : simple évolution ou révolution au sein de l'espace judiciaire européen ? by Constance Chevallier-Govers( Book )

1 edition published in 2021 in French and held by 23 WorldCat member libraries worldwide

Le Parquet européen devrait être opérationnel d'ici le 1er mars 2021. Chargé des investigations et des poursuites pénales en ce qui concerne les infractions portant atteinte aux intérêts financiers de l'Union, il est le premier organe de l'Union européenne à être équipé de pouvoirs contraignants vis-à-vis des autorités nationales en matière pénale. C'est un des éléments qui permet de le distinguer des deux principales agences européennes en matière pénale que sont Eurojust et Europol. Il incarne en quelque sorte le passage d'une coopération judiciaire horizontale à une coopération verticale, marquée par une certaine supranationalité. Par delà l'instauration d'une figure symbolique forte annonçant l'avènement d'un pouvoir judiciaire européen, c'est toute une organisation, un arsenal juridique, des pratiques qui seront mises à l'épreuve. Ceci, dans le contexte paradoxal d'une remise en cause chronique des institutions européennes par les opinions publiques et du besoin imminent d'une lutte "à l'échelle européenne" contre la criminalité économique et financière. Cet ouvrage pose la question de savoir si le Parquet européen constitue une véritable révolution, ouvrant la voie à une certaine fédéralisation de la justice pénale, ou une évolution plus modeste. Pour y répondre, il étudie avant tout la genèse de ce Parquet européen, de même que les longues et difficiles négociations qui lui ont donné corps. Il met en exergue l'originalité du résultat final de celles-ci, notamment le fait qu'il est fondé sur la coopération renforcée de 22 États membres de l'Union européenne. Il se penche ensuite sur sa mise en œuvre, et ce à travers divers aspects, allant de la nomination du chef du Parquet européen aux relations avec les États tiers, en passant par les relations avec les autorités nationales et les agences ou autres organes de l'Union européenne. Le Parquet européen aura en effet d'importants pouvoirs mais devra agir en coopération étroite avec l'OLAF (l'Office européen de lutte antifraude), Eurojust (l'Agence européenne pour la coopération judiciaire en matière pénale) et Europol (l'Office européen de police). Cet ouvrage revient également sur certains grands enjeux que cette révolution/évolution au sein de l'espace judiciaire européen engendre au regard des droits fondamentaux. En effet, l'originalité du Parquet européen implique entre autres des modes de contrôle adaptés. Enfin, ce nouvel organe ne manquera certes pas d'évoluer, entre autres au plan des infractions relevant de sa compétence. C'est par ces perspectives d'avenir que l'ouvrage se clôt
L'incidence des Règles pénitentiaires européennes sur les conditions de vie carcérales françaises by Samia Adgharouamane( )

2 editions published in 2021 in French and held by 2 WorldCat member libraries worldwide

The prison has long been a greg area. Today, many eyes are focused on it, promoting the recognition and evolution of the positive rights of the imprisoned person which continue to expand and become generalized at a time when the issue of prisoners' rights is part of the integral part of the general framework of respect for human rights. It is under the concrete influence of the European Prison Rules which won the support of the Member States of the European Union that the deprivation of liberty opened up to the field of law and to the "outside world", offering new perspectives to the individual and procedural rights of the detainee in order to guarantee the effectiveness of a detention while respecting fundamentalrights. Beyond that, the European Prison Rules have enabled a paradigm shift on the part of the prison administration, which has been able to seize on European prescriptions to make them a strategic lever for development. One of the dynamic factors in this development is undoubtedly linked to the strengthening of external controls to which the administration has been subject in recent years, whether judicial or institutional. However, our legal order shows multiple weaknesses by reducing the scope of certain Rules or by placing itself in clear contradiction with European prescriptions. In a context where political choices in penal matters, the budgetary orientation mainly focused on the security of penitentiary establishments, but also social expectations, strongly influence the conduct and functioning of the penitentiary administration, it was important to draw up a report rigorous and objective places, opening the field to avenues of reflection, with a view to determining, for the future,the main orientations of prison policy
Three essays on development financing : from failure to new perspectives by Gaëlle Despierre Corporon( )

1 edition published in 2021 in French and held by 2 WorldCat member libraries worldwide

Through the prism of the Global Financial Crisis (GFC) of 2007-2008 and an analysis of the scope of traditional models of development finance, I note the inability of the capitalist system to produce a stable international financial system architecture that can provide external financing for development with a long-term objective. The GFC has led to a shift in the focus of development finance to Southern countries, which is associated with a rise in South-South Cooperation. A first step towards emancipation from the traditional unstable and rigid system can be observed through the creation of new development banks and regional monetary cooperation. I propose an alternative model, based on the mobilisation of institutional economics, that works with "dynamic long-term development finance institutions" in order to collectively and sustainably improve the financing of development in developing countries (DCs)
Evaluation et détection des défauts de structure dans le siliciure de baryum pour applications en photovoltaique by Takuma Sato( )

1 edition published in 2020 in English and held by 2 WorldCat member libraries worldwide

In this study, I focused on semiconductor barium disilicide BaSi2. Since BaSi2 is constituted of less toxic and earth-abundant elements, this environmental-friendly material takes advantage in terms of elemental strategies compared to other materials. Our previous researches found its potentials for solar cell applications. For instance, BaSi2 shows a large absorption coefficient because of its characteristic band structure.So far, we have successfully demonstrated Si-based hetero- and homo-junction solar cells. In order to design further better devices, I investigated intrinsic defects in undoped-BaSi2 in this study. For, the defects promote for photogenerated carriers to recombine each other during travel to electrodes. As a result, photogenerated currents decrease. Therefore, defect control is indispensable to realize the devices with high conversion efficiency. My previous researches found such films grown by molecular beam epitaxy method contained the defects while their origins are unknown yet. EPR enables me to access microscopic information such as identification of paramagnetic defects, determination of local structures, etc.First, I performed electron paramagnetic resonance (EPR) measurements on a-axis orientated BaSi2 epitaxial films. Assessing the observed g value carefully, I succeeded in the detection of EPR active defects for the first time in this material. In addition, it was confirmed that the EPR line observed from the film (anisotropic g value: 2.003-2.010) decreased by the introduction of atomic hydrogens (H). In our previous study, the BaSi2 film contained atomic H showed significant improvements in photoresponsivity, indicating that this defect can affect optical properties.Second, I revealed some different types of defects were formed depending on composition ratios through the EPR measurements of powder and single crystal of BaSi2. To accomplish this identification, I adopted a variety of EPR techniques from the multi-frequency cw-EPR to the advanced pulse-EPR. In Si-rich samples, I observed at least two different defects with averaged g values (gav) > 2. Each defect exhibited different behavior on temperature dependence and relaxation time. On the other hand, in Ba-rich samples, other EPR lines (gav < 2) appeared. One of the defects had a narrow linewidth and hyperfine structures which may stem from 29Si (I = 1/2), 135Ba (I = 3/2), or 137Ba (I = 3/2). I performed further identification by adopting hyperfine spectroscopy such as ELDOR-detected NMR (ED-NMR). ED-NMR is a technique that has been attracted attention in recent years as a new technique for measuring hyperfine coupling constants. The hyperfine coupling constant of |A| ~ 70 and 80 MHz was successfully observed in ED-NMR spectra of Si-rich and Ba-rich, respectively. These values seemed to correspond to those observed in single crystals. The density functional theory (DFT) calculation was also carried out to get a picture of possible defect models. Through simulations of the EPR spectra using the obtained parameters, I suppose that at least and VSi were formed as a paramagnetic defect in the Ba-rich sample.At last, I also conducted photoluminescence (PL) measurements, which is very powerful for determining defect levels. Four PL peaks were observed at the almost same photon energy in each of the thin film samples and the polycrystalline sample. These results suggest that similar defects are formed in the thin film and the polycrystalline sample. Also, I compared with the results measured by other methods (the deep level transient spectroscopy and temperature dependence of electronic resistivity), resulting in a suggestion for a radiative defect model in BaSi2.In summary, I revealed the details of some of the defects in BaSi2. Combining the EPR result with that of PL, I concluded that the definitive defect affected its photoresponsivity originated from VSi with 0.8 or 0.9 eV of the PL peak in the BaSi2 epitaxial films
Description linguistique et évaluation des capacités orthographiques d'adultes en difficulté avec l'écrit. by Carole Blondel( )

1 edition published in 2020 in French and held by 2 WorldCat member libraries worldwide

In this thesis, we are interested in the spelling abilities of writers aged 16 to 65 living in metropolitan France, who were considered to be in difficulty with writing according to the IVQ survey (INSEE, 2011). The material of our research consists of two dictations that reflect a situation of ordinary scription (the writing of a shopping list), which include words, pseudo-words and noun and verbal phrases. They come from a first IVQ survey and a complementary survey that we conducted in 2014. Our approach is part of the literacy framework and aims to highlight not only the weaknesses of these audiences but also their knowledge and know-how. Our hypothesis is that the spelling abilities of writers even in great difficulty, may be considered from a point of view that differs from the opposition between right and wrong forms, and that a more refined analysis is possible by mobilizing the contributions of linguistics. We show in particular how writers appropriate the phonographic component of spelling: although some are considered "illiterate" according to the IVQ survey, they have developed knowledge about the French spelling system, both in its regularities and its specificities. Our research thus provides a helpful tool for training by taking into account the difficulties of writers in a more targeted way, and by setting up diagnostics that can take the form of a dictated evaluation type, but by working on the choice of items against the results of our study on the writing proficiency levels of writers in difficulty
Hannah Arendt et la rupture totalitaire by Arthur Guezengar( )

1 edition published in 2020 in French and held by 2 WorldCat member libraries worldwide

The Arendtian thought is marked by two strong theses: the idea according to which man is conditioned by the environment in which he finds himself caught and that he contributes to modifying by his words and his acts on the one hand; and on the other the idea that totalitarianism constitutes a break with the world and the political tradition, to the point of appearing as a system ontologically hostile to the human condition. But the coexistence of these two theses is not self-evident. Hannah Arendt makes political activity a mode of being specific to human existence, based on the freedom to act, to finally describe a political system where this dimension has lost all meaning. By putting these two dimensions into perspective, this thesis seeks to resolve this paradox of a political regime capable of breaking with all that constitutes political action. By proceeding with a methodological review of the Arendtian texts, from the most recent to his first works on imperialism, it shows moreover that the conception of totalitarianism as a break with the human condition goes hand in hand with another approach making totalitarianism. the continuity of processes already germinated in the colonial system
Acteurs, dynamiques territoriales et développement local, cas de la Vallée de la Soummam en Algérie by Lilia Lamrani( )

1 edition published in 2020 in French and held by 2 WorldCat member libraries worldwide

This thesis is about the socio-economic development process in the Soummam Valley, region of Kabylie in northern Algeria. The main issue is: How does the enterprises' agglomeration that has been formed on the territory of this valley, entail the establishment of a relatively effective territorial economic system (TES)? This question is all the more relevant as Algerian economy is mostly an annuitant one. Moreover, what are the characteristics of the socio-economic dynamics induced by this phenomenon of enterprises' agglomeration?Based on a strategy privileging heavy industries, the development policy that has long prevailed in Algeria relies on the idea that development is a process of socio-economic transformation initiated and led by the central government. More than 50 years after the political independence of Algeria, the national economy is neither densified nor diversified. It remains exclusively a mono-product (hydrocarbons) based economy and even more so a mono-export economy.However, over the last decades, one has witnessed a new approach to economic development issues, based on the concept of territory. In this approach, development refers to socio-economic dynamics initiated from below, by organized local actors who value the resources available on their territory. The relevance of this approach lies on the fact that these territorial dynamics refer both to a productive organization and a specific mode of regulation, in other words to the two interdependent elements that constitute the TES: the techno-economic system of production, ensuring the competitiveness of the territory, and the socio-institutional regulation system, ensuring its sustainability.This research aims to further understanding and enrichment of this relatively new development approach. Through an in-depth study of socio-economic dynamics focused on agribusiness activities in the Soummam Valley, we would like to show how the concept of territorial development constitutes an appropriate framework to the theoretical analysis, and how it can be an effective tool for regional and local development policy in developing countries as well as in developed nations.More concretely, our analysis shows that in the Soummam Valley area, the industrial firms' agglomeration, specialized in agribusiness, induces a socio-economic development process, which improves significantly the living conditions of the local population (job creation, income distribution, products availability, etc.). Despite that, nowadays the Soummam Valley agro-food TES is facing many challenges, notably those related to the establishment of territorial governance that can ensure, in the same time, a better regulation of the relations between local actors, territorial promotion strategies and a high level protection of the environment in the ecological sense
Les représentations de l'homosexualité dans les littératures francophones contemporaines : entre insultes, silence, transvaluation et sexualité. Analyse de 'Le Flamant noir' (Berthrand Nguyen Matoko), '39 rue de Berne' (Max Lobe), 'Chuchote pas trop' et 'Portrait d'une jeune artiste de Bona Mbella' (Frieda Ekotto) et 'La Fête des masques' et 'Al Capone le Malien' (Sami Tchak). by Liria Bakita Moussavou( )

1 edition published in 2020 in French and held by 2 WorldCat member libraries worldwide

En choisissant de travailler sur les représentations de l'homosexualité dans les pays francophones d'Afrique subsaharienne, nous poursuivions trois objectifs à portée de main. S'insurgeant contre le silence de plusieurs universitaires dudit continent à aborder la thématique de l'homosexualité dans leurs travaux scientifiques, faire de celle-ci notre réflexion s'est donc imposé à nous de façon impérative. En effet, notre premier objectif (épistémologique) était de s'intéresser à cette thématique qui demeure encore un champ quasi inexploré et inexploité en littérature en milieux francophones d'Afrique afin de réfléchir sur les problématiques que soulève cette sexualité si prégnante aujourd'hui. En d'autres termes, le désintéressement ou le manque d'intérêt du plus grand nombre a produit en nous un effet sans doute doublé et dont l'aboutissement de ce travail peut prétendre être l'écho. Signalons que si les œuvres de fictions abondent il n'en est pas ainsi des travaux scientifiques sur le sujet. L'autre but visé, cette fois-ci pragmatique, consistait à infirmer l'idée selon laquelle l'homosexualité serait une sexualité exogène à l'Afrique. Une conception qui rend plus mal à l'aise les personnes homosexuelles qui se sentent mises à part à cause de leur sexualité. Comme nous l'avons amplement montré à la lumière des travaux de Charles Gueboguo, l'homosexualité est transculturelle et donc elle a toujours existé au sein de plusieurs peuples africains. En revanche, son questionnement actuel n'est pas celui que connurent les sociétés passées. Les mœurs changent avec le temps, les hommes y compris. C'est donc une conviction pour nous de (re)donner l'estime de soi, la confiance et la considération à ces personnes marginalisées sexuellement et/ou identitairement. Ce faisant, nous avons mis l'accent sur l'acceptation, l'affirmation et la représentation de soi, de son homosexualité. Le dernier objectif est beaucoup plus personnel et il voudrait satisfaire une curiosité intellectuelle. Pourquoi cette sexualité suscite-t-elle autant de débats de nos jours, divise-t-elle des familles ou des foyers dans certains pays, pourtant si insignifiante dans l'Antiquité grecque ? L'homosexualité est-elle seulement un acte sexuel entre deux ou plusieurs personnes de même sexe ou va-t-elle au-delà de la génitalité ? Des interrogations que nos nombreuses lectures et surtout nos analyses ont permis de comprendre autrement qu'avec un regard judicateur ou une attitude intolérante envers les personnes homosexuelles
Dynamique des agrégats et fibres pathologiques by Kevin Pounot( )

1 edition published in 2020 in English and held by 1 WorldCat member library worldwide

Neurodegenerative diseases, such as Parkinson's and Alzheimer's, constitute a growingthreat with ever increasing prevalence. These diseases are characterized by the presence ofprotein deposits in the patient's brain that are called amyloids. Several proteins wereidentified in these deposits as being the molecular hallmark of the disorder, among whichwe can cite alpha-synuclein for Parkinson's disease and tau for Alzheimers's disease.Protein amyloid aggregation is central to neurodegenerative diseases and hence constitutesa target of choice for diagnostic and therapeutic attempts. Itis characterized by the formation of a structural cross-beta pattern, which is a stack ofbeta-sheets, usually forming long fibrils. Under specific conditions, larger aggregates can beobtained, such as micrometer-sized particles, including so-called particulates andspherulites. Several pieces of evidence suggest that the formation of such aggregates, and especially at early-stages, can be involved in protein toxicity. Yet, the reasons for theaggregation to occur are not well understood. In this work, we aimed at deciphering thefundamental principles underlying protein amyloid aggregation by studying the changesin protein ad hydration water dynamics, the understanding of which might help in the development ofwater-dynamics based diagnostic methods.We employed mainly incoherent neutron scattering (on SPHERES at the MLZ and IN16B at the ILL)and molecular dynamics simulations. Theformer provides ensemble averaged information on hydrogen motions in the system, and thelatter provides a fully atomistic picture from which dynamical and structural aspects canbe investigated.Studying alpha-synuclein, we could show that protein backbone and side-chain motions - that is,internal dynamics - is barely affected by aggregation. However, hydration water motions areincreased around amyloid fibrils. The increased dynamics originates from a fraction ofwater molecules being displaced from the protein hydrophobic core to the hydrophilictermini regions when fibrils are formed. Hence, it results in a higher water entropy in fibrils,where the central cross-beta pattern appears highly efficient in protecting itself frominteracting with the solvent.For gammaS-crystallin, comparison of the internal protein dynamics of the wild-type proteinwith a G18V mutant revealed that the mutant is less dynamic, whatever itsaggregation state. This observation, along with the comparison of protein dynamics withtheir relative hydropathy index, indicates that the internal dynamics depends strongly onthe amino acid composition, but not on the aggregation state. In addition, other factorscan affect protein dynamics, such as the presence of metal ions.The measurements carriedout on insulin, in the presence or absence of zinc show that the metal promotes proteinhydration at pH 1.8, where it interacts loosely with the protein. The zincaffects also aggregate-aggregate interaction, probably by electrostatic screening as theformation of spherulites is facilitated in the absence of the metal.Eventually, the possibility to unambiguously and simultaneously access internal dynamicsand center-of-mass diffusion was demonstrated by carrying out so-called fixed- window scanson the IN16B instrument at the ILL. This novel technique applied to lysozyme showed thatparticulate formation occurs in a one-step process, and the internal dynamics remainsconstant all along. This pilot experiment opens up the possibility to study fibrilformation of pathologically relevant proteins.Taken together, the aforementioned results demonstrate that we can now study the amyloidaggregation process with great detail, and there is a great opportunity to extend this workwithin a biological context, in order to link the biophysical properties of protein amyloidaggregation with its effects and toxicity in-vivo
Vers une détermination sans contact des propriétés mécaniques de matière condensée molle avec AFM by Erik Abegg( )

1 edition published in 2020 in English and held by 1 WorldCat member library worldwide

La détermination précise de l'élasticité en dessous de l'échelle microscopique par des mesures d'indentation sur des matériaux mous est difficile car elle dépasse les limites des modèles mécaniques de contact conventionnels. Les contributions d'énergie de surface dominent l'interaction et empêchent une détermination précise de l'élasticité en volume du matériau. Pour résoudre ce problème, une méthode de mesure sans contact dans un liquide a été développée sur le Surface Force Apparatus (SFA) permet une détermination absolue de l'élasticité sans contact solide-solide. Bien que réussie, le SFA présente des limites en termes d'épaisseur d'échantillons minces et de plage de fréquences en raison de la taille macroscopique de la sonde utilisée. Dans ce manuscrit, nous rendons compte de la mise en œuvre de la technique de mesure sans contact sur la plate-forme AFM (Atomic Force Micrsocope), où des sondes plus petites peuvent être utilisées et une gamme de fréquences plus large est disponible. L'excitation mécanique piézoacoustique conventionnelle de la sonde AFM s'est avérée insuffisante en milieu liquide et un schéma d'excitation capacitive a été développé pour résoudre ce problème. Pour implémenter et explorer ce nouveau schéma d'excitation, une configuration AFM “maison” a été reconstruite. Le potentiel de cet AFM est démontré en effectuant des mesures de référence sur un substrat rigide dans de l'huile pdms et de l'eau déionisée. Nous rendons également compte de l'étude des surfaces des brosses en polymère p-NIPAM à l'aide de AFM, où nous avons trouvé une interaction de pontage non signalée en dessous de la température de solution critique inférieure. Enfin, nous présentons de nouvelles mesures par AFM sur les argiles dites “quick clay”, constituant d'un type de sol sujet à des glissements de terrain impressionnants. Nous démontrons la capacité de l'AFM à étudier la microstructure de l'argile dans son état naturel saturé en eau et à explorer les propriétés mécaniques de l'argile à l'échelle micro et nanométrique. Ces résultats ouvrent la voie à l'AFM pour contribuer à répondre à des questions clés dans ce domaine de la géologie où les argiles sont des matériaux importants
Développement d'outils de diagnostic pour l'analyse des défaillances des circuits intégrés analogiques et mixtes by Tommaso Melis( )

1 edition published in 2021 in English and held by 1 WorldCat member library worldwide

The automobile industry nowadays is in constant developments in all branches of this sector. Electronics is also involved in this evolution. The latest technological nodes are used in many automotive applications today. New challenges are thus faced to ensure the safety and reliability of these circuits. One of these is the fault diagnosis of analog and mixed-signal circuits. Performing failure analysis is today very difficult, due to the lack of standard automated diagnosis method. Standard techniques do not always provide a conclusive analysis due to the safety controls. These are required for such applications. It is thus common not to directly analyze the failure state of the circuit, that cannot be activated for safety reasons. Only the consequences of such a state are analyzed, causing an unacceptable analysis time with a low success rate. The goal of this thesis is to provide a robust diagnosis solution for analog circuits, with simulation and design solutions for analysis. This allows the analyst to overcome the highlighted limitations. To achieve this goal, this work proposes developments in three main areas. The first is the simulation to reproduce the images of the most used microscopy techniques for fault isolation. They are photoemission microscopy and thermal laser stimulation. The goal of the simulation is to speed up the inspections with such tools. Moreover they are used to reproduce the images of defective units to validate fault hypotheses. In this context we developed an automatic simulation tool for photoemission. Besides, we propose an innovative simulation method for thermal laser stimulation techniques. The benefits of both solutions are proven by real analyses solved with these solutions.The second area of development is the accessibility to the internal signals. Full measurement of internal device signals implies better fault diagnosis. In this work we propose a new solution for inspect the internal signals by light emitting elementary components. They are connected to the main functionalities and report their state through their light emitted. Such solution is implemented in a real silicon analog device showing an improved fault detection. Another technique explored in this work is the use of the eBeam dynamic voltage contrast to access the lowest level of metals.The third area concern the fault diagnosis using analog simulation. We propose a solution to find the relevant signals and devices of an integrated circuit. This method helps the analyst to focus only on the list of circuit features that are relevant respect to the failure. We developed it, using standard analog simulators. Besides we also introduce the use of modern analog fault simulation available on the market. The exploitation of such simulators along with standard failure analysis techniques is presented. We developed a new workflow for fault diagnosis and applied to real cases. Thanks to this method, a list of candidates to look at is available during the analyses. Finally, we propose a robust diagnosis flow, in which all the techniques and innovations presented in this thesis are mixed. Its application allows the analyst to solve critical cases with a multitude of solutions. The analyses become faster and more accurate
Architecture et conception d'un amplificateur de puissance large-bande pour des applications 4G/5G by Mohammed Saad Boutayeb( )

1 edition published in 2020 in French and held by 1 WorldCat member library worldwide

The arrival of the 5G NR put more constraints on the transceivers architectures. They must integrate more components (filters, power amplifiers, etc.) in order to address more numerous and wider bands (in particular the “sub-6 GHz” bands) in addition to processing more complex signals. These new space and performance constraints that transceivers must meet have a direct impact on the technical specifications of power amplifiers (PAs). On the one hand it is necessary to have PAs which address wider bands in order to reduce the number of components in the emission chain; on the other hand, these PAs must meet the criteria of linearity of the new standards (LTE-A and 5G NR) while ensuring good operating energy efficiency. The work of this thesis concerns the investigation of advanced PA architectures combining bandwidth, linearity and energy efficiency.The context and the motivations of the thesis stated, the choice of SOI 130nm RF technology and the constraints to which the PA must respond are justified. A study of the state of the art of improved efficiency PAs architectures makes it possible to select Doherty architecture as an interesting solution. A theoretical study of the Doherty architecture is carried out in order to model its operation, to identify the impact of the dimensioning parameters and the parasitic capacitances of the transistor on the performances before exploring the bandwidth perspectives it presents. A first demonstrator circuit was implemented in RF SOI 130nm. It is a Doherty amplifier stage covering the 3.2-3.6 GHz band. For an LTE 10MHz 50RB signal at an output power of 27dBm, a maximum ACLR of -30.5 dBc and a minimum PAE of 36% was measured across the band. A second Doherty circuit integrating a driver stage has been implemented in the same technology. Measurements for an LTE 10MHz 12RB signal at 28 dBm of output power give a maximum ACLR of -35 dBc and a minimum PAE of 32% over the whole band 3.2-3.8 GHz which allows to cover the B42, B43 and B49 bands
Evaluation quantitative du risque rocheux : de la formalisation à l'application sur les linéaires et les zones urbanisées by Manon Farvacque( )

1 edition published in 2020 in English and held by 1 WorldCat member library worldwide

Rockfalls are a common type of fast moving landslide, corresponding to the detachment of individual rocks and boulders of different sizes from a vertical or sub-vertical cliff, and to their travel down the slope by free falling, bouncing and/or rolling. Every year, in the Alpine environment, rockfalls reach urbanized areas causing damage to structures and injuring people. Precise rockfall risk analysis has therefore become an essential tool for authorities and stakeholders in land-use planning.To this aim, quantitative risk assessment (QRA) procedures originally developed for landslides have been adapted to rockfall processes. In QRAs, rockfall risk for exposed elements is estimated by coupling the hazard, exposure and vulnerability components. However in practice, the estimation of the different components of risk is challenging, and methods for quantifying risk in rockfall-prone regions remain scarce. Similarly, the few studies which so far performed QRAs for rockfall assume stationary, precluding reliable anticipation of the risk in a context where environmental and societal conditions are evolving rapidly and substantially. Moreover, rockfall risk remains - as for most of natural hazards - always defined as the loss expectation. This metric offers a unique risk value, usually inconsistent with short/long term constraints or trade-offs faced by decision-makers.On this basis, this PhD thesis therefore aims at (i) reinforcing the basis of QRA, (ii) assessing the effect of environmental changes on rockfall risk, and (iii) proposing method for quantifying rockfall risk from measures of risk alternative to the standard loss expectation. In that respect, we propose a QRA procedure where the rockfall risk is quantified by combining a rockfall simulation model with the physical vulnerability of potentially affected structures and a wide spectrum of rockfall volumes as well as release areas. The practicability and interest of this procedure is illustrated on two real case studies, i.e. the municipality of Crolles, in the French Alps, and the Uspallata valley, in the central Andes mountains. Similarly, the effect of environmental changes on rockfall risk is considered by comparing rockfall risk values in different land-use and land-cover contexts. Last, we implement in our procedure on an individual basis two quantile-based measures, namely the value-at-risk and the expected-shortfall, so as to assess rockfall risk for different risk-management horizon periods. All in all, this PhD thesis clearly demonstrates the added value of QRA procedure in the field of rockfall, and reinforces its basis by implementing analytical, statistical or numerical models. The resulting panel of risk maps, also proposed under non-stationary contexts, are of major interest for stakeholders in charge of risk management, and constitute appropriate basis for land-use planning and prioritizing of mitigation strategies
Une étude du mouvement des Tea Parties et son impact sur la politique étasunienne : une analyse qui dépasse le simple conservatisme populiste by Amira Achouri( )

1 edition published in 2020 in English and held by 1 WorldCat member library worldwide

Le 16 décembre 2009, quelques semaines avant les primaires qui devaient désigner le candidat officiel des partis démocrate et républicain aux États-Unis, quelques habitants de Boston se sont inspirés de la Révolution américaine dans leurs habits. En effet, les drapeaux qu'ils portaient symbolisaient un serpent à sonnette noir sur fond jaune, ayant comme slogan « Don't Tread on Me » (Ne marchez pas sur moi), en s'inspirant du Boston Tea Party de 1773. Le rassemblement public, qui était initialement et principalement structuré dans la demeure du représentant Républicain Ron Paul, a été organisé conjointement avec une campagne de collecte de fonds lancée par des activistes. Cette campagne permettrait de collecter 6 millions de dollars de fonds sur Internet en une seule journée, grâce à des dons individuels de 50 dollars (Sinderband, 2007). Un an plus tard, un groupe de candidats républicains a balayé la majorité démocrate aux élections de mi-mandat de novembre 2010 et a remporté 60 sièges supplémentaires à la Chambre des représentants, célébrant ainsi l'un des plus grands triomphes républicains de ces cinquante dernières années (Zernike, 2010). Loin d'être un mouvement anodin en 2009, le mouvement Tea Party est considéré par beaucoup comme ayant eu un impact significatif sur cette victoire. La cristallisation du débat sur la réforme de santé avait conféré au mouvement un pouvoir et une influence inattendus. Aujourd'hui, ils représentent un nouveau mouvement conservateur, pourtant bien établi dans le pays.Le but de cette thèse est d'analyser la montée des idées et des politiques de la nouvelle droite depuis la Seconde Guerre mondiale aux Etats-Unis. Au lieu de considérer la droite contemporaine comme fondamentalement sans rapport avec l'économie et la société conventionnelles des États-Unis, on analyse les nombreuses manières dont le nouveau conservatisme s'inspire profondément dans les débats politiques américains. On considère trois grandes questions : Ces questions sont les suivantes : (1) Existe-t-il une nouvelle droite et, dans l'affirmative, en quoi consiste-t-elle et pourquoi est-elle qualifiée de « nouvelle »? (2) Quel est le rôle des idées dans la formation de la politique gouvernementale ? Et (3) quelles sont les implications du nouveau conservatisme sur l'avenir de la démocratie américaine ?Après l'échec des néoconservateurs sous l'administration Bush et la victoire de Barack Obama en tant que premier président noir de l'histoire américaine, les commentateurs ont déclaré la fin du conservatisme aux États-Unis. Cependant, l'émergence du Tea Party en tant que mouvement populaire influent a tout simplement prouvé le contraire. Dès son apparition, le Tea Party était simplement considéré comme un groupe raciste, craignant l'autorité croissante d'un président noir. La thèse vise donc à révéler que les éléments entourant la réaction du mouvement du Tea Party étaient en réalité plus profonds, allant au-delà d'une simple réaction raciste et remontant à des décennies d'un mouvement conservateur de longue date enraciné dans la vie et la politique américaines.La thèse vise également à examiner les sources de soutien du mouvement Tea Party dans la sphère politique américaine. Entre les événements émergents de 2008 et les élections à mi-parcours de 2010, le mouvement Tea Party est devenu une force de mobilisation importante qui a suscité un intérêt considérable pour la politique américaine. On explique l'origine de la naissance du mouvement Tea Party qui est apparu à ce moment-là, tout de suite après l'élection d'un président démocrate en 2008. Ainsi, afin de comprendre les origines du mouvement, on met en évidence les facteurs qui ont contribué à l'émergence de ce phénomène politique
Etude contrastive du lexique causatif français et chinois by Ping-Hsueh Chen( )

1 edition published in 2021 in French and held by 1 WorldCat member library worldwide

Prescription du préservatif masculin : étude qualitative sur l'opinion des médecins généralistes et sages-femmes dans l'agglomération grenobloise by Sophie Legros( )

1 edition published in 2020 in French and held by 1 WorldCat member library worldwide

Sexually transmitted diseases (STDs) are still a public health issue in France with 6 000 Human immunodeficiency virus (HIV) cases discovered each year and an increase of bacterial infections. Despite the well-known efficiency of the male condom against STDs, it has been used less and less for several years. This study aimed at interviewing General practitioners (GPs) and midwives about the possibility of prescribing male condoms and their refund. Method: It was a qualitative study intended for GPs and midwives in and around Grenoble, France. It was led through semi-structured individual interviews. Results: 9 GPs and 5 midwives were interviewed. Primary care workers had been little informed about this new measure and they did not have much experience. This prescription has been identified as a way to convey information, to raise awareness and to make condoms easier to access by reducing their costs. The possibility of prescription for contraception was also emphasized. Moreover, it appears as a way to open discussions about sexual health which can sometimes be hard to tackle. However, in the context of the fight against STDs, this measure must be associated with education and information programs as well as easily accessible free condoms. Conclusion: In spite of a few identified obstacles and although still in its early stages, the prescription of condoms has been received positively by health workers thanks to its assets in the fight against STDs. It is associated with contraceptive actions
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1 edition published in 2020 in French and held by 1 WorldCat member library worldwide

The deep-UV, a strong germicide, is used in particular in water purification centers employing mercury lamps. Nonetheless, the use of mercury is increasingly controversial and may be banned in the next years. Therefore, new deep-UV emitters are being considered, such as deep-UV LEDs (Light Emitting Diodes). In order to create a LED emitting at a wavelength close to 265nm, where the germicide effect is optimal, a ternary material is used : the AlxGa1-xN, with a high aluminium concentration. However, this material is not mastered yet, and p-doping it is very complicated.To avoid this doping issue, an innovative UV-LED structure has been imagined : the field effect LED, using a gate to ease the insertion of holes in the active area. In this thesis work, this component is analysed and developed. Simulations highlighted the relevance of such a LED compared to a standard DEL, with a surprising evolution of the WPE (Wall Plug Efficiency).Simulations testing the robustness of the experimental device brought to light the fact that such a technology requires the mesa's side surface not to be damaged by the laser engraving. Hence, a survey studying multiple characterisation tools such as MET, atom probe, Auger spectroscopy or even cathodoluminescence has been realised. An electrical test was developed in order to identify the nature of the etching defects, and limit them.This work identified low damaging etching process, and field effect LED were developed. Electro-optical characterisations of these components were made, in order to enlighten the impact of the gate on the electroluminescence
Impact d'une course de trail à étapes sur le sommeil : étude UT4M-Sleep 2018 by Thibault Fouquet( )

1 edition published in 2021 in French and held by 1 WorldCat member library worldwide

Le trail, compétition pédestre se déroulant en environnement naturel est une discipline en plein essor en France. Cet essor se traduit par une augmentation du nombre de pratiquants et une multiplication des courses aux formats variés en termes de kilométrage et de dénivellation. Certaines de ces courses sont organisées par étapes, représentant des contraintes physiologiques spécifiques, du fait de la répétition quotidienne d'efforts. Le sommeil, élément majeur de la récupération et de la performance est à ce jour peu étudié dans ce contexte. L'objectif principal du présent travail est d'évaluer l'impact d'une épreuve de trail par étapes sur l'évolution des paramètres objectifs du sommeil en compétition et au cours des nuits suivant la course. Notre hypothèse est que ces épreuves par étapes seraient associées à une détérioration progressive de la durée et de la qualité de sommeil, et à leur normalisation dans les jours suivant l'épreuve. Cette étude observationnelle transversale a été conduite du 21 au 28 août 2018 au cours de l'Ultra Tour des 4 Massifs (UT4M) challenge, épreuve de trail se déroulant sur les massifs environnant Grenoble, constituée de 4 étapes de 40 kilomètres, réparties sur 4 jours de course. 20 traileurs ont été inclus et 16 ont bénéficié d'un enregistrement du sommeil au moyen d'un dispositif ambulatoire validé (Bandeau DREEM), au cours des 2 nuits précédant la course, des 4 nuits au cours de la course et pendant 2 nuits consécutives après course (récupération). Comparativement à la pré-course, une réduction significative du temps de sommeil total était observée en course. Les athlètes malgré des heures de lever précoces imposées par la course n'adaptaient pas leurs heures de coucher en conséquence. Les indices de fragmentation du sommeil augmentaient tout au long de la course sans toutefois altérer l'efficacité du sommeil. Les pourcentages de sommeil lent léger et lent profond augmentaient durant les premières nuits de course. Le pourcentage de sommeil paradoxal diminuait significativement en course, et un rebond de sommeil paradoxal était observé lors des nuits de récupération. Ce dernier peut être expliqué par un processus homéostasique de rattrapage du sommeil paradoxal lors des nuits de récupération du fait de la privation de sommeil induite en course. Les horaires de coucher des traileurs mettent en lumière le manque de connaissance et de mise en pratique des règles élémentaires d'hygiène de sommeil qui auraient impliqué d'ajuster l'heure de coucher en fonction de l'heure prévisionnelle de lever afin de couvrir les besoins intrinsèques de sommeil. La réduction du temps de sommeil total pourrait avoir un impact négatif sur la vigilance diurne, le risque de blessure et la sécurité des coureurs. Dans le cadre d'une démarche préventive et d'une pratique sportive en santé, le professionnel de santé a un rôle de prévention par la communication des stratégies à mettre en place pour garantir une hygiène de sommeil la plus adaptée possible en compétition et en phase de préparation et de récupération
Développement de calculs à énergie continue pour un retour intégral complet sur les paramètres de modèle nucléaire by Elias Vandermeersch( )

1 edition published in 2021 in French and held by 1 WorldCat member library worldwide

Currently, the major source of uncertainty for stochastic transport simulations comes from nuclear data (cross sections, angular and energetic distributions; etc.).Those are obtained by an evaluation process, in which experimental data are fitted with nuclear physic models.Thereby, nuclear data uncertainties comes from the nuclear models parameters uncertainties.Nuclear data are continuously improved, in particular by an assimilation process.Yet, this process is only applied on a small part of the data, with deterministic methods in which data are averaged on energy-groups.To ensure nuclear data consistency and improve the assimilation process, it is necessary to apply the assimilation process at the root of nuclear data, directly to the nuclear parameters.To obtain such a feedback, transport codes have first to be fed with consistent nuclear data.A strong coupling between a nuclear reaction code (CONRAD) and a stochastic transport code have been implemented in the code LAST.Thus, the nuclear data used are produced with the same parameters and models, and LAST can be utilized to compute reactivity sensivities to nuclear parameters with simple perturbations, via all the concerned nuclear data.Multiple Monte-Carlo transport codes have recently been improved with adjoint-based method, and are now able to compute sensitivity to nuclear data.In order to overpass simple perturbations computations, a weak coupling between CONRAD and a development version of TRIPOLI-4® has been carried out during this PhD, giving promising results.This coupling has also been used to demonstrate the necessity to include all the nuclear data during the assimilation process, unlike the current method used
Simulations à l'échelle mésoscopique du comportement en fatigue de métaux CFC by Fanshi Meng( )

1 edition published in 2020 in English and held by 1 WorldCat member library worldwide

La fatigue est l'une des principaux mécanismes de défaillance des composants métalliques. les stades précurseurs de l'endommagement par fatigue concernent la période avant l'initiation et la propagation des fissures de fatigue et représente jusqu'à 90 % de la durée de vie en fatigue. De fait, la compréhension des mécanismes de l'endommagement par fatigue aux stades précurseurs est un enjeu clé pour am´eliorer la durée de vie opérationnelle des composants. Des études expérimentales ont montré l'importance des Bandes de Glissement Intensif (BGIs) en tant que sites de localisation de la plasticité et d'amorçage des fissures. Le but de cette thèse est de contribuer à la compréhension de la formation de microstructure de fatigue à l'échelle des dislocations avec l'aide de la dynamique de dislocations discrètes en 3D (DDD). Tout d'abord, des simulations de glissement simple sur monocristal de Cu sont réalisées. Le processus de formation des microstructures liées à l'organisation des dislocations à l'intérieur des PSB et l'évolution de la rugosité développée en surface sont élucidés. Pour un chargement de fatigue en cisaillement simple sous une amplitude de déformation imposée importante (>0.001), on observe une réorganisation progressive des dislocations dont la répartition initialement homogène dans le grain se transforme en des microstructures organisées en BGIs. Le processus est expliqué à partir de calculs des contraintes internes sur le système dévié. La stabilité des BGIs simulées est vérifiée en diminuant subitement l'amplitude du chargement après les avoir construites. Les simulations se comparent bien avec les observations expérimentales de la littérature. En outre, la comparaison entre Cu et l'acier inoxydable austénitique 316L confirme l'importance de la probabilité de glissement dévié pour la distribution et le nombre de BGIs. Des simulations de différentes combinaisons de glissements doubles sont également réalisées pour identifier l'effet des interactions de dislocations sur le comportement cyclique. Finalement, dessimulations cycliques de bi-cristaux et d'agrégats polycristallins sont réalisées grâce au nouveau code DDD dédié aux poly-cristaux
 
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Alternative Names
Grenoble (Isère)

UGA

Univ. Grenoble Alpes

Université Grenoble-Alpes

Université Grenoble-Alpes (université intégrée)

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French (14)

English (7)