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Laser-driven strong magnetic fields and high discharge currents : measurements and applications to charged particle transport / Forts champs magnétiques et décharges de courants intenses générés par laser : mesures et applications au transport de particules chargéesBailly-Grandvaux, Mathieu 20 March 2017 (has links)
La problématique de génération de champs magnétiques quasi-statiques intenses constitue un défi pour la physique de l’interaction laser-plasma. Proposé il y a 30 ans, l’utilisation de cibles "boucles" irradiées par laser se distinguent par leur design compact ne nécessitant aucune génération de courant pulsé en plus de la puissance laser et ont dévoilé récemment leur grand potentiel.Ce travail de thèse s’attache à la caractérisation des phénomènes physiques et au développement de cette technique. On a ainsi montré la génération de forts champs magnétiques quasi-statiques par interaction laser-matière (500 J, durée laser de 1 ns et intensité ~10^17 W/cm^2) atteignant une amplitude de plusieurs centaines de Teslas pendant 2 à 3 ns. L'évolution temporelle et la distribution spatiale des champs magnétiques ont été mesurés par trois diagnostics indépendants : sondes B-dot, rotation de Faraday et défléctométrie de protons. La caractérisation des mécanismes physiques sous-jacents ont aussi fait appel à des diagnostics de rayonnements X de la région irradiée par laser ainsi qu’à des mesures d’ombroscopie optique du fil de la boucle en expansion.Une application de ces champs au guidage magnétique d’électrons relativistes dans la matière dense a permis d'ouvrir de nouvelles perspectives au transport de hautes densités d’énergies dans la matière. En effet, en laissant suffisamment de temps pour que le champ magnétique pénètre dans la cible dense, une amélioration d’un facteur 5 de la densité d’énergie portée par les électrons après 50 µm de propagation a été mise en évidence.En outre, des décharges de courants intenses consécutives à l'irradiation par impulsion laser courtes (50 J, durée laser < 1 ps et intensité ~10^19 W/cm^2) ont été observées. Une imagerie protonique de la décharge a permis de mesurer la propagation d’une onde électromagnétique à des vitesses proches de la vitesse de la lumière. Cette onde d’une durée de ~ 40 ps a été utilisée comme lentille électromagnétique pour focaliser et sélectionner sur une bande étroite d'énergie un faisceau de protons de plusieurs MeV (jusqu’à 12 MeV) passant dans la boucle.Les résultats de ces différentes mesures et applications expérimentales ont été par ailleurs confrontées à des simulations et à des modèles analytiques.Les applications de cette thèse se déploient sur des aspects comme :- la fusion par confinement inertiel, en guidant des faisceaux d'électrons relativistes jusqu'au cœur de la capsule de combustible, tout en confinant les particules qui y déposent leur énergie ainsi que celles créées par les réactions de fusion nucléaire;- l'astrophysique et la planétologie de laboratoire, en générant des sources secondaires de particules énergétiques ou de rayonnement afin de porter la matière dense a de très hautes températures (matière tiède et dense), ou en magnétisant des plasmas pour reproduire des phénomènes astrophysiques à plus petite échelle au laboratoire;- et enfin le contrôle de faisceaux de particules chargées dans le vide pour le développement de sources laser dans le cadre d'applications s'effectuant à distance de la source notamment en science, dans l'industrie, ou même en médecine. / The problem of strong quasi-static magnetic field generation is a challenge in laser-plasma interaction physics. Proposed 30 years ago, the use of the laser-driven capacitor-coil scheme, which stands out for its compact design while not needing any additional pulsed power source besides the laser power, only recently demonstrated its potential.This thesis work aims at characterizing the underlying physics and at developing this scheme. We demonstrated the generation of strong quasi-static magnetic fields by laser (500 J, 1 ns-duration and ~10^17 W/cm^2 intensity) of several hundreds of Teslas and duration of 2-3 ns. The B-field space- and time-evolutions were characterized using three independent diagnostics: B-dot probes, Faraday rotation and proton-deflectometry). The characterization of the underlying physical processes involved also X-ray diagnostics of the laser-irradiated zone and optical shadowgraphy of the coil rod expansion.A novel application of externally applied magnetic fields to guide relativistic electron beam in dense matter has been carried out and the obtained results set the ground for improved high-energy-density transport in matter. Indeed, allowing sufficient time for the dense target magnetization, a factor 5 improvement of the electron energy-density flux at 50µm-depth was evidenced.Besides, the generation of high discharge currents consecutive to short laser pulse irradiation (50 J, <1 ps-duration and ~10^19 W/cm^2 intensity) was also pointed out. Proton imaging of the discharge permitted to measure the propagation of an electromagnetic wave at a velocity close to the speed of light. This wave, of ~40ps-duration, was used as an electromagnetic lens to focalize and energy-select a narrow energy range within a multi-MeV proton beam (up to 12 MeV) passing through the coil.All-above experimental measurements and application results were thoroughly compared to both computer simulations and analytic modeling.The applications of this thesis work in a near future will concern:- inertial confinement fusion, by guiding relativistic electron beams up to the dense core nuclear fuel, and by confining particles depositing their energy in it, or even those resulting from the fusion reactions;- laboratory planetology and astrophysics, by generating secondary sources of energetic particles and radiation to reach the warm-dense-matter state or by magnetizing plasmas to reproduce astrophysical phenomena in scaled experiments;- and finally, the control of charged particle beams in vacuum, useful in particular for the development of laser-driven sources for distant applications in science, industry or even medecine.
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Unidade de Pronto Atendimento: olhares do usuário à produção do cuidadoAndrade, Bárbara Bulhões Lopes de January 2017 (has links)
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Previous issue date: 2017 / Universidade Federal do Rio de Janeiro. Instituto de Estudos em Saúde Coletiva / O estudo traz um olhar para as singularidades da produção do cuidado pela perspectiva do usuário em uma Unidade de Pronto Atendimento (UPA). Além disso, agrega conhecimento sobre o histórico e o desenvolvimento da rede de urgência e emergência do município do Rio de Janeiro e alguns desafios das unidades de emergência na produção deste cuidado. Afirma-se a noção redes dinâmicas em saúde, que transbordam sua institucionalização temática para o reconhecimento de uma rede viva, transversal e potente a apoiar o usuário nos caminhos que faz pelos serviços de urgência e emergência do município. Apresenta metodologia qualitativa de pesquisa-intervenção, forjada em cartografias da Unidade de Pronto Atendimento, a partir de narrativas de trabalhadores da unidade e da constituição de um usuário-guia. Este se mostra como o guia revelador da produção do cuidado em sua rede viva. Tendo em vista a morte socioafetiva deste nos serviços de saúde, propõe-se o método de Autópsia Sócioafetiva. Tal proposta de método é elaborada a partir da autópsia psicossocial, uma reconstrução do status da saúde física e mental e das circunstâncias sociais, psicológicas e afetivas do usuário na produção do cuidado em seu processo saúde-doença-cuidado-morte pelas redes do Sistema Único de Saúde (SUS). Ao desvelar as dinâmicas e interseções da rede viva do usuário, compreendem-se as singularidades e subjetividades de sua visão sobre a produção do cuidado. O estudo teve como objetivo analisar a produção do cuidado na Rede de Urgência e Emergência, envolvendo gestores, trabalhadores e usuários. Procuraram-se descrever as experiências na Unidade de Pronto Atendimento, com foco nas inovações do modo de produção do cuidado pelo olhar do usuário, levando em consideração as valises tecnológicas do trabalho em saúde, principalmente as interfaces da tecnologia leve nos serviços de urgência e emergência do SUS. As cartografias desenvolvidas apresentam os territórios existenciais da UPA e da multiplicidade de seus trabalhadores e usuários. Desta forma, apresenta as singularidades do cuidado em saúde de urgência e emergência a partir da narrativa da companheira do usuário-guia e de trabalhadoras da UPA. Revela fissuras/meandros da rede de saúde, a multiplicidade do território existencial do usuário e as disputas elaboradas pela garantia do direito à saúde. Aponta inovações no campo das tecnologias leves elaboradas pelos trabalhadores da unidade e apresenta as percepções destes sobre o sistema de regulação de vagas (SISREG). Por fim, a morte socioafetiva do usuário entra também em disputa na produção do cuidado, tanto pela rede de serviços de saúde, que se mostra insuficiente ao não conseguir dar um diagnóstico à companheira do usuário, quanto por sua rede viva que se reconstrói por linhas de captura elaboradas na fé e em grupos de apoio religiosos / This study aims to reveal the singularities of the production of health care from the perspective of the patient in a First Care Unit (UPA). It also intends to contribute to the discussion on the history and development of the urgency and emergency network in the city of Rio de Janeiro and some of the challenges faced by the emergency units in providing such care. We affirm the definition of health webs as dynamic webs that go beyond their institutionalized definition to the establishment of a live and powerful web that is capable of supporting the attended population on its ways through urgency and emergency units of the city. The study is developed through a methodology of research-intervention, drawing cartographies of the First Care Unit from the narratives of the workers of the unit and of a ‘guiding patient’. This ‘guide’ reveals the production of care in his ‘live web’. Considering the social-affective death of the patient in the health services, we propose the method of the Social – Affective Autopsy. This methodological proposal is built from the psycho-social autopsy, a reconstruction of the physical and mental health status, and social, psychological and affective circumstances of the patient through the production of care in the process of health-disease-care-death through the web of the Unified Health Care System (SUS). Revealing the dynamics and intersections of the patient’s living web we can understand the singularities and subjectivities of his vision on the production of care. Our objective was to analyze the production of care in the Urgent (First Care - UPA) and Emergency Care Units, involving administrators, workers and patients. We describe the experiences in the UPA foccusing on innovations in the production of health care as seen by the patients, taking into account the technological tools of health work, mainly the interfaces of soft technology in the urgency and emergency services of the SUS. The cartographic developments present the living territories of the UPA and the multiplicity of its workers and patients. We present the singularities of health care in urgency and emergency from the narrative of the patient-guide’s wife and of female workers of the UPA. Fissures of the health care web are revealed, the multiplicity of the existential territory of the patients, and the disputes to warrant the right to health care. Innovations in the field of soft technologies developed by the workers of the UPA are pointed out, as well as their perceptions on the patient schedule regulation system (SISREG). Finally, the socioaffective death of the patient also enters in dispute on the production of care, by the health services network that is unable to give a diagnose to the patients partner, as well as by his living that is rebuilt with the mediation of faith-based actions and religious support groups
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Cartographie unifiée de la dynamique des solitons dans les guides d'onde à fibre optique / Unified mapping of the dynamics of solitons in fiber-optic waveguidesTchomgo Felenou, Emmanuel 27 June 2013 (has links)
Ce mémoire porte sur le comportement des solitons affectés, lors de leur entrée dans un guide d'onde à fibre optique, d'une légère distorsion de profil par rapport au profil stationnaire dans le guide. Notre modèle théorique combine l'équation de propagation du champ électrique (Equation de Schrödinger Non Linéaire) et le système d'équations d'évolution des paramètres physiques de l'impulsion (issu de la théorie des coordonnées collectives). Nous dressons une cartographie générale qui dévoile une diversité insoupçonnée de comportements dynamiques au voisinage de l'état stationnaire de l'impulsion, liée à la perturbation initiale du profil de l'impulsion. Cette cartographie établit une classification des solitons en deux grandes familles, correspondant respectivement aux impulsions lumineuses qui génèrent un rayonnement au cours de leur propagation et aux impulsions non rayonnantes. Au sein de chacune de ces deux grandes familles d'impulsions, nous démontrons l'existence de comportements atypiques, que nous qualifions de solitons hyperthermiques (solitons chauds), solitons hypothermiques (solitons froids), et solitons isothermiques, qui correspondent respectivement à des impulsions qui se propagent de manière hautement stable avec un niveau d'énergie supérieur, inférieur, et égal à l'énergie de l'état stationnaire. Aux frontières des domaines d'existence de ces différents types de soliton, nous trouvons des comportements hybrides, correspondant à des solitons qui se refroidissent en cours de propagation suite à une perte significative d'énergie provoquée par un rayonnement intense, et qui changent d'état (de l'hyperthermie à l'hypothermie, ou de l'isothermie à l'hypothermie). Enfin, l'onde de rayonnement émise par une impulsion lumineuse n'est pas identifiée comme étant un processus continuel, mais plutôt comme une bouffée d'énergie émise en début de propagation, et sa suppression dans le guide d'onde est considérée comme réalisable / This thesis examines the dynamical behaviour of solitons which are affected, when entering a fiber-optic waveguide, by a slight distortion of profile as compared to the stationary profile in the guide. Our theoretical model combines the propagation equation of the electric field (Non-Linear Schrödinger Equation) and the system of equations of evolution of the physical parameters of the pulse (derived from the collective coordinates theory). We establish a general mapping which reveals an unsuspected diversity of dynamic behaviour around the stationary state of the pulse, in relation with the initial perturbation of the pulse's profile. This mapping establishes a classification of solitons in two broad categories, which correspond to light pulses that generate radiation during their propagation and to non-radiating pulses, respectively. Within each of these two broad classes of pulses, we demonstrate the existence of different kinds of atypical behaviour, which we qualify as hyperthermic solitons (hot solitons), hypothermic solitons (cold solitons) and isothermic solitons, which correspond respectively to pulses that propagate in a highly stable manner with an energy level higher than, lower than, and equal to the energy of the stationary state. On the borders of the domains of existence of these various types of solitons, we find hybrid behaviours, corresponding to solitons that cool during propagation, due to a significant loss of energy caused by an intense radiation, and which change state (from hyperthermia to hypothermia, or from isothermal to hypothermia). Finally, the radiation emitted by a light pulse is not identified as being a continual process, but rather as a ball of energy emitted in the beginning of propagation, and its suppression in the waveguide is considered as practicable
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’n Ouerbegeleidingsprogram vir ouers van ’n kleuter met gesiggestremdheid (Afrikaans)Vivier, Yolande 16 May 2010 (has links)
AFRIKAANS: Gesinne wat met ’n kleuter met ’n gesiggestremdheid gekonfronteer word, het meervoudige behoeftes wat ’n holistiese benadering vereis ten einde hierdie komplekse probleem effektief aan te spreek. Geen navorsing is egter nog gedoen waar daar na die Suid-Afrikaanse ouer wat ’n kleuter met ’n gesiggestremdheid het, se behoeftes gekyk is ten einde ’n gespesialiseerde, empiries gefundeerde ouerbegeleidingsprogram te ontwikkel nie. Hierdie studie het dus ten doel gehad om ’n begeleidingsprogram vir ouers van ’n kleuter met gesiggestremdheid te ontwikkel en die effektiwiteit daarvan te evalueer. Intervensienavorsing as toegepaste navorsing is hiervoor aangewend.<p[> ’n Tweefase-navorsingsbenadering is gebruik. Tydens fase een is van ’n kwalitatiewe benadering gebruik gemaak. Die volgende navorsingsvraag is tydens hierdie fase geformuleer: Watter behoeftes het die Suid-Afrikaanse ouer van ’n kleuter met gesiggestremdheid? : ’n Fokusgroepbespreking waar fokusgroepvrae benut is, is met 10 ouerpare deurloop ten einde die betekenis en interpretasie wat hulle aan hulle leefwêreld heg, te eksploreer. Hierdie data het, aanvullend tot die omvattende literatuurstudie wat onderneem is, inligting na vore gebring wat in die ouerbegeleidingsprogram gebruik is. Antwoorde op die navorsingsvraag kon dus gevind word. Die kwantitatiewe ontwerp wat tydens fase twee gevolg is, is die enkelstelselontwerp. Die volgende navorsingshipotese is tydens hierdie fase geformuleer: : Indien die ouers van ’n kleuter met gesiggestremdheid die ouerbegeleidingsprogram deurloop, sal hulle bemagtig word met kennis ten opsigte van hulle kind se spesifieke oogtoestand, die invloed daarvan op en hulle hantering van die betrokke kind, hulle huwelik en hulle gesin: . Die maatskaplikewerk-intervensieprogram wat ontwikkel is, bestaan uit ses groepwerksessies van ongeveer 60 minute elk wat met twee groepe van 10 ouers in totaal deurloop is. ’n Selfontwerpte vraelys is voor en na afloop van die program deur al 10 ouers voltooi. Hierdie meetinstrument het bostaande hipotese bevestig. Vergelykings is getref tussen die literatuur en die empiriese gegewens. Gevolgtrekkings en aanbevelings vir toekomstige navorsing is na aanleiding van die studie geformuleer. ENGLISH: Families that are confronted with a toddler with a visual impairment have multiple needs that require a holistic approach in order to address this complex problem effectively. However, no research has been done yet that looks at the needs of the South African parent with a toddler with a visual impairment in order to develop a specialized, empirically grounded parental guiding programme. This study thus aimed at developing a guiding programme for parents with a toddler with a visual impairment and evaluating its effectiveness. Interventional research as applied research was utilised for this purpose. A two-phase research approach was used. During phase one a qualitative approach was used. The following research question was formulated during this phase: What are the needs of the South African parent with a toddler with a visual impairment? A focus-group discussion where focus-group questions were used was held with 10 parents in order to explore the meaning and interpretation that they attach to their daily world. These data, in addition to the wide-ranging literature study that had been undertaken, brought information to the fore that was used in the parental guiding programme. Answers to the research question could thus be found. The quantitative design that was followed during phase two was the single-system design. The following research hypothesis was formulated during this phase: If the parents of a toddler with a visual impairment follow the parental guiding programme, they will be empowered with knowledge with regard to their child’s specific eye condition, its influence on and their management of the child concerned, their marriage and their family. The social-work interventional programme that was developed consists of six group-work sessions of approximately 60 minutes each that were held for two groups of 10 parents in total. A self-designed questionnaire was completed by these 10 parents before and after the programme. This measuring instrument confirmed the above-mentioned hypothesis. Comparisons were made between literature and the empirical data. Conclusions and recommendations for future research were formulated following on this study. / Thesis (DPhil)--University of Pretoria, 2010. / Social Work and Criminology / unrestricted
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Giving and stewardship in border black Baptist churchesZanekile, Nkolelo 20 September 2011 (has links)
In this thesis, the Researcher argues that the Border Black Baptist Churches form two-thirds of the membership of the Border Baptist in the Association. The researcher is concerned that they are growing in numbers but declining in finances. This problem is affecting the body of Jesus Christ locally, nationally and globally. It does not end there but the Great Commission (Matt 28:16-20) has also been affected. My personal interest is to show that Border Black Baptist Churches are not necessarily poor but need some kind of profound teaching and motivation. It means that in the Border/Amathole region we need self-propagating, self-supporting, self-governing and self- theologizing within our own culture. We need to see that the tithing system is God’s plan for giving. It is instituted by God and encompasses His promises, only if we obey Him. In the Border Black Baptist Churches there is also a need to see that freewill offerings are part and parcel of God’s plan for financial giving and stewardship. It means that giving to God must be seen as Creation, Sowing and Reaping Principles. My research methodology includes interviews, questionnaires and study of the relevant literature. The reason for this research is to bring clarity about financial giving and stewardship in these Churches. The whole purpose is to see financially matured Border Black Baptist Churches in this region. / Dissertation (MA(Theol))--University of Pretoria, 2012. / Practical Theology / unrestricted
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Guiamento óptico de átomos através de feixes não difrativos do tipo "Frozen Waves" = Atom optical guiding along non-diffracting beams of type "Frozen Waves" / Atom optical guiding along non-diffracting beams of type "Frozen Waves"Pinilla Pachon, Edwin German, 1981- 06 December 2016 (has links)
Orientadores: Michel Zamboni Rached, Guillermo Gerardo Cabrera Oyarzún / Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin / Made available in DSpace on 2018-09-01T02:33:12Z (GMT). No. of bitstreams: 1
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Previous issue date: 2016 / Resumo: Nesta tese, propõe-se um novo método para realizar guiamento de átomos neutros resfriados. Este método envolve o uso da pressão de radiação por ressonância para efetuar o guiamento dos átomos através de um campo óptico (feixe) oco. Particularmente, usa-se a força de dipolo óptico e um tipo específico de campo óptico não difrativo, chamado de "Frozen Wave" (FW), na versão tradicional e estendida, para estudar o guiamento atômico. Os campos ópticos FW¿s, que são uma solução exata da equação de onda, surgem como uma resposta aos problemas relacionados com a difração e com a impossibilidade de fazer qualquer tipo de modelamento (ou localização) longitudinal e transversal de intensidade, dos campos ópticos tradicionais usados no guiamento de átomos, como por exemplo, nos campos Laguerre-Gauss e Bessel. Assim, planejam-se algumas soluções mediante os métodos tradicional e estendido que permitem criar estruturas de luz (localizadas) resistentes à difração e nas quais o padrão de intensidade longitudinal e transversal (restringido) pode ser modelado a priori. De acordo com isso, o estudo teórico do método tradicional e da generalização das FW¿s foi realizado junto com sua comprovação experimental e foram calculados os respectivos potenciais de dipolo óptico junto com a profundidade de penetração dos átomos na barreira de potencial para cada campo óptico. Nos resultados conseguiu-se modelar algumas estruturas de luz (tanto no método tradicional como no estendido) tais como um cilindro, três cilindros concatenados, um tipo de cilindro com tampa e um funil óptico, entre outras; e mostrou-se as vantagens do uso deste tipo de estruturas de luz quando comparadas com os campos ópticos tradicionais para o guiamento atômico. Finalmente, concluiu-se que usar este tipo de campos não difrativos elimina as restrições dos campos tradicionais e é possível fazer o guiamento de átomos neutros resfriados com estes tipos de estruturas de luz. O método estendido dá uma generalização que permite pensar estes tipos de estruturas de luz para aplicações mais globais nas diferentes áreas da óptica e fotônica / Abstract: This thesis proposes a new method to perform cold neutral atom guiding. This method involves the use of resonance radiation pressure to make the atom guiding along a hollow (beam) optical field. Particularly, it uses the optical dipole force and a specific type of non-diffracting optical field, called "Frozen Wave" (FW), in these traditional and extended versions, to study the atom guiding. The FW¿s optical fields, which are an exact solution of the wave equation, appear as an answer to the problems related to the high diffraction and impossibility of any type of longitudinal and transverse intensity modeling (or location) of traditional optical fields used in atom guiding, for example the Laguerre-Gaussian and Bessel optical fields. Thus, some solutions were planned by the traditional and extended methods, which allow to create localized light structures resistant to diffraction and model a priori longitudinal and transverse (restricted) intensity pattern. Accordingly, the theoretical study of the traditional method and his generalization were carried out with their experimental evidence. Also, his respective optical dipole potential was calculated with the atom penetration depth in the potential barrier for each optical field. In the results was possible to model some light structures (both in the traditional and extended method) such as a cylinder, three concatenated cylinders, one cylinder with a lid and an optical funnel, among others; and it is showed the advantages of using this type of light structures when it is compared with the conventional optical fields for the atom guiding. Finally, it is concluded that use this type of non-diffracting fields eliminates the restrictions of the traditional fields and it is possible the cold neutral atoms guiding with this type of light structures. The FW¿s extended method gives a generalization and it permits to suggest this type of light structures for more complete applications in different areas of optics and photonics / Doutorado / Física / Doutor em Ciências / 141977/2013-2 / CNPQ
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Les principes directeurs du procès civil dans l'Espace judiciaire européen / The guiding principles of civil trial in the European justice areaReichling, Noemie 29 November 2017 (has links)
Depuis l’entrée en vigueur du Traité d’Amsterdam, le 1er mai 1999 et la « communautarisation » de la coopération judiciaire civile, l’Union européenne a adopté de nombreux instruments applicables aux litiges transfrontaliers, au point que l’on peut aujourd’hui parler d’un « droit judiciaire privé européen ». Or, il est permis de s’interroger sur les principes qui le gouvernent. Par comparaison, le Code de procédure civile français comprend un chapitre entier consacré aux principes directeurs du procès civil. De l’étude des instruments de l’Espace judiciaire civil européen, quatre principes directeurs ont été identifiés : le principe du contradictoire, le principe du rôle actif du juge, le principe de célérité et le principe du dialogue transfrontalier. Il est alors possible, dans une démarche prospective, de s’interroger sur leur éventuelle consécration en droit de l’Union. Un certain nombre d’obstacles ont été relevés mais aucun ne paraît dirimant. Possible, cette consécration semble également souhaitable. Ses différents apports ont en effet été mis en évidence. Il restait à déterminer la base juridique ainsi que l’instrument normatif de cette consécration. À ce titre, l’article 81 du Traité sur le fonctionnement de l’Union européenne relatif à la coopération judiciaire en matière civile pourrait servir de base juridique. Par ailleurs, c’est lavoie du règlement et non celle de la directive qui a été ici privilégiée. / Since the Treaty of Amsterdam entered into force on the 1st of May 1999 and the “communitarisation” of judicial cooperation in civil matters, the European Union has adopted many legal instruments relating to cross-border litigation, to the extent that one can now refer to a distinct “European International Private Law”, the governing principles of which have yet to be defined. By comparison, the French Code of Civil Procedure includes an entire chapter devoted to the governing principles applicable to civil trials. Based on a study of the European civil justice area, four governing principles can be identified: the adversarial principle, the principle of the judge’s active role, the principle of urgency and the principle of cross-border dialogue. In prospective terms, it follows that the possibility of these four principles’ being enacted in EU law is a matter worthy of examination. Several obstacles can be identified, none of which appears to be insuperable. Having been recognised as a possibility, such a consecration also seems desirable on the grounds of its several demonstrable advantages. The legal basis and vehicle of the above-mentioned four principles’ legal enshrinement remain to be determined. In this regard, article 81 of the Treaty on the Functioning of the European Union, pertaining to judicial cooperation in civil matters, couldserve as a legal basis. In terms of implementation, this study also argues in favor of regulations over directives.
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Factors affecting digital transformation in manufacturing companiesEluekezi Nnewuku, Rosa, Tuncay, Hatice January 2021 (has links)
The adoption of digital transformation can be seen as the companies opportunity for increased competitiveness. The possibilities of digital transformation are many as it allows, among other things, a connection between workers and machines or between machines. However, companies are facing difficulties to implement digital transformation effectively. Implementing digital transformation is a slow process for companies and most companies are in the early stages of it. Also, the technologies that are associated with digital transformation are still unclear. Companies still lack a systematic approach to implementing digital transformation. Understanding critical factors that affect digital transformation in manufacturing companies could help to develop a systematic approach for implementing digital transformation. Therefore, in this research the authors have carefully reviewed and identified factors that affect digital transformation within the manufacturing industry. This thesis research aims to identify the factors that will lead to the success of digital transformation in manufacturing companies and to also find out the factors that when being ignored will lead to unsuccessfulness. The research has been guided by three research questions: 1) Which factors are stated in the literature that is affecting the implementation of digital transformation in manufacturing companies, 2) How are these factors related to each other in the literature, and 3) How can practitioners and academics use factors for the successful implementation of digital transformation? In this research, a systematic literature review (SLR) has been carried out which has led to identifying 11 key factors. Based on the identified factors, a model has been developed to support the implementation of digital transformation in manufacturing companies. The model consists of four different categories of factors, namely, “Awareness related factors, Readiness related factors, Technology, Selection, and Integration related factors (so-called ARTO-model. Furthermore, a survey has been developed to get experts´ perspectives on the identified factors and the model. Based on the input from the survey, a final compiled ARTO model is proposed as a guiding tool for the successful implementation of digital transformation. Further, a model to show the relationship between the factors is created. Keywords: Digital transformation, Digitalization, Industry 4.0, Enabling technologies, Key factors, Critical factors, Manufacturing industry, Guiding framework / Implementeringen av digital transformation kan ses som företags möjlighet till ökad konkurrenskraft. Möjligheterna med digital transformation är många, då det bland annat tillåter uppkoppling mellan arbetare och maskiner. Dock, står företagen inför svårigheter med implementeringen av det. Implementeringen av digital transformation är en långsam process för företagen och många företag befinner sig i tidigt skede. Även teknologier som associeras med digital transformation är fortfarande oklara och det saknas kunskap gällande detta. Dessutom finns det inte mycket handlingskraft när det kommer till faktorer som påverkar digital transformation. Företag saknar fortfarande tillvägagångssätt för implementering av digital transformation. Därför har författarna till den här undersökningen noga granskat och identifierat faktorer som påverkar digital transformation inom tillverkande företag. Syftet med den här undersökningen är att ta reda på faktorer som ska leda till framgång av digital transformation i tillverkande företag, och vidare ta reda på faktorer som när de ignoreras kommer leda till misslyckande. Forskningsfråga 1: Vilka är faktorerna som nämns i litteraturen och som påverkar digital transformation i tillverkande företag? Forskningsfråga 2: Hur är dessa faktorer relaterade till varandra inom litteraturen? Forskningsfråga 3: Hur kan praktiker och akademiker använda faktorer för ett framgångsrikt genomförande av digital transformation? I den här undersökningen har det gjorts en systematisk litteraturstudie som ledde till utvecklingen av ett ramverk. Vidare skapades en enkät för att få experters perspektiv på den systematiska litteraturstudien och ramverket. Det skapades en modell som bygger på fyra olika kategorier ”Awareness related factors, Readiness related factors, Technology, Selection and integration related factors (så kallad ARTO-modell) utifrån den systematiska litteraturstudien och därefter gjordes en liknande modell baserad på inputen från enkäten. Slutligen sammanställdes resultaten i en gemensam ARTO- modell och en modell för att visa relationen mellan de olika modellerna skapades Nyckelord: Digital Transformation, Digitalisering, Industri 4.0, Möjliggörande teknik, Nyckel faktorer, Kritiska faktorer, Tillverkande företag, Vägledande ram
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Návrh nákladního výtahu / Project of service liftDrápela, Josef January 2008 (has links)
This diploma thesis deal with project of service lift. The service lift is drive by special mechanism using thrust chain. The chain is led from chain accumulator over sprocket gear to vertical guiding groove. Lift car is connected to the end of chain. There are designed and described the most important constructional unit of service lift in this thesis. But the most attention is pay to drive, including break system and chain accumulator. The drive is consist of electric motor, clutch, break, planetary gearbox and sprocket gear.
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La Fédération française des Éclaireurs (FFE) : une histoire de jeunes filles et de femmes dans un mouvement scout féminin en France (1911-1970) / The French Girl Guiding Federation : éclaireuses (FFE) : history of girls in the Girl Guiding movement in France (1911-1970)Tobita, Takako 26 June 2018 (has links)
La Fédération Française des Éclaireuses est le premier mouvement du scoutisme féminin en France, créée en 1921 et dissoute en 1964. Notre recherche s’emploie à retracer l'histoire de ce mouvement associatif atypique qui regroupe des membres interconfessionnels protestants, catholiques, juifs et laïques, sous l’angle du pluralisme socioculturel, ce qui était rare par rapport à d’autres mouvements de jeunesse de l’époque. La spécificité du mouvement du scoutisme tient également à sa méthode éducative, forgée sur l’enfant et l’adolescent par son fondateur, Robert Baden-Powell. Nous commencerons par étudier le début du scoutisme en Grande Bretagne et son adaptation en France dans la première décennie du XXe siècle, puis la fondation de la FFE, et sa dissolution vers la reconstruction des mouvements scouts mixtes jusqu'en 1970. / The French Girl Guides Federation, Éclaireuses (FFE), founded in 1921 and disbanded in 1964, is the first Girl Guiding Movement in France. The present focus is to retrace the history of this movement, since the start of the scout movement in Great Britain, which was introduced to France in the first decade of the 20th century, through the development under the form of an association, which brought to gather the members from various about social culture and religion: Protestants, Roman Catholics, Jews and non-religious peoples, etc. We analyse their difficulties to cooperating each other, their decision for break-up in 1964, which resulting in the recreation of a mixed scouts movements until 1970.
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