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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
151

Adaptations respiratoires et locomotrices des sujets obèses lors du test de marche de six minutes / Respiratory and locomotor adaptations of obese subjects during 6 minute walk test

Retory, Yann 25 January 2017 (has links)
La méthode de référence pour l’évaluation de la capacité d’exercice est l’Exploration Fonctionnelle d’eXercice (EFX). En pratique, pour des problèmes de coût, de matériel et d’expertise médicale, l’EFX n’est pas réalisée chez tous les sujets dont la capacité d’exercice mérite d’être explorée. Le test de marche de 6 minutes (6MWT) ne présente pas ces inconvénients mais ne donne pas d’informations sur les adaptations physiologiques au cours de cet exercice. L’objectif de ce travail de thèse était de concevoir une méthode non invasive de monitorage des adaptations ventilatoires et locomotrices. L’accent a été porté sur le respect du caractère spontané de ces adaptations. La pléthysmographie respiratoire d’inductance (RIP) et l’accélérométrie ont été choisies pour l’évaluation de ces adaptations. Les performances de ces nouvelles méthodes de monitorage sont acceptables pour ces deux dimensions. La confrontation de notre méthode RIP au pneumotachographe, outil de référence, objective des coefficients de corrélations compris entre 0,81 et 0,96 pour le volume courant(Vt), les temps inspiratoires (Ti) et expiratoires (Te). De même, la confrontation de notre méthode accélérométrique avec le contrôle vidéographique montre des coefficients de corrélations de 0,99 pour les paramètres locomoteurs : cadence, longueur moyenne du pas et détermination automatique des distances parcourues (6MWD). La comparaison des profils ventilatoires et locomoteurs entre contrôles et sujets obèses révèle qu’une discrimination est possible (p<0,01 pour Vt, Ti, Te et p<0 ,001 pour cadence, longueur moyenne de pas et 6MWD). Ainsi, même une population sans pathologie respiratoire comme la population obèse sans comorbidités, choisie comme modèle d’étude dans ce travail, peut être discriminée par notre méthode de monitorage. Ces résultats sont encourageants au regard de l’amélioration de la prise en charge des sujets obèses et laissent entrevoir des perspectives tant au niveau technologique qu’à un niveau clinique plus large pour, par exemple, les sujets atteints de pathologies respiratoires susceptibles de limiter leur capacité d’effort. / The reference method for assessment of exercise capacity is the cardio-pulmonary exercise testing (CPET). Nevertheless, CPET is expensive, time consuming, requires specifics skills and is not used for all subjects needing exercise capacity assessment. The 6 minute walk test (6MWT) is free of these disadvantages but does not give basic information about physiological adaptation induced by walking. The aim of this study was to design a non-invasive method for ventilatory and locomotor monitoring. Respect of the spontaneous aspects of these adaptations was considered. Respiratory inductive plethysmography (RIP) was considered for ventilatory evaluation whereas locomotor adaptation was assessed with a tri-axial accelerometer. These new methods provided acceptable results for ventilatory and locomotor dimensions. Confronting our new RIP method with a pneumotachograph as a reference device, we found correlation coefficients from. 0.81 to 0.96 for determination of tidal volume (Vt), inspiratory (Ti) and expiratory time (Te). Confronting our accelerometric method with video recordings as control, we found significant correlation coefficients (r=0.99 and p< 0.001) for determination of cadence, mean step length and automatic distance covered (6MWD) during the 6MWT. Comparisons of ventilatory and locomotor pattern of control and obese without comorbidities showed that discriminating their pattern was possible (p<0.01 for Vt, Ti, Te and p<0.001 for cadence, mean step length and 6MWD). These results imply that even a population without respiratory disorders as the obese population considered in this study, can be discriminated with our monitoring method. It can be concluded that this method is promising for improvement of care to obese subjects and raises technological and clinical perspectives for subjects with respiratory disorders
152

Refugees: ‘normal’ people like us that take off their shoes before entering ‘their house’, which does not exist : A comparative framing analysis: how four Dutch newspapers covered the fires in refugee camp Moria

Zebregs, Yanthe January 2021 (has links)
During the 2010’s a new situation emerged due to the influx of people using the Mediterranean Sea route. Around its peak in 2015, widespread media coverage constructed this crisis as ‘the refugee crisis’. Camps like Moria became the emblem of the refugee crisis, yet, more than half a decade later, the ‘crisis’ has yet to be resolved. And, amid a pandemic, a global crisis, not the least affecting refugees, yet another ‘crisis’ arose during the night of 8th/9th September 2020 when a series of fires almost completely destroyed refugee camp Moria, leaving more than 10.000 refugees ‘homeless’. It is in this unique context, at the intersection of ‘the refugee crisis’, ‘the corona crisis’ and ‘the fires in camp Moria’ that this exploratory study captures written news coverage from the four biggest Dutch newspapers, engaging with the refugee crisis in the first week after the fires (9-15 September 2020). It does so, with the aim of exploring the range of frames used to (re)construct the refugee crisis, thereby making certain meanings more likely to be conveyed than others.  Directed at an event focussed time frame within an understudied national context, this study zooms in on a moment of heightened media import to explore the (re)construction of frames as the situation unfolds. To this end, a qualitative inductive framing analysis, focussing on how the frames are reconstructed through framing and reasoning devices, has been conducted on a total of 60 articles.  Including both broadsheets and tabloids with diverse political backgrounds in the sample, significant differences between the coverage of the two tabloids and the two broadsheets were found. The former (tabloids, Telegraaf politically right oriented and AD politically neutral oriented) significantly distance the situation in Moria, the refugees and the refugee crisis as a whole, quite often even framing the refugees as a problem while rejecting humanitarian grounds. The latter (broadsheets, Volkskrant politically (centre) left oriented and NRC politically centre right oriented) were found to centralize humanisation and identification within a humanitarian frame, while problematizing, and assigning responsibility to political handling. Furthermore, the coverage of the tabloids is characterised by more superficial, descriptive accounts, using little framing devices, while the coverage of both broadsheets is saturated with framing devices to substantiate the humanitarian frame.             Finally, the study also found similarities on the level of incorrect labelling (the usage of migrants instead of, or as interchangeable with refugees) and ‘voicelesness’ (the rare opportunity for refugees to speak). The sample articles more often than not mix labels. Furthermore, the broadsheets give (multiple) refugees a voice in respectively 2 (Volkskrant) and 3 (NRC) articles. And in doing so, these articles actually centralize those accounts. Both tabloids on the other hand, only briefly quote an anonymous and un-contextualised refugee once. Although the broadsheets ‘do better’, still, overwhelmingly, refugees themselves do not play a role in their representation and framing.
153

Nf zesilovač pro indukční smyčku / Induction loop amplifier

Flek, Petr January 2018 (has links)
The goal of this master thesis was to study the theory and to realize an induction loop for railway rolling vehicles, to design and manufacture a functioning prototype of electronic amplifier, which carries out all the requirements. This thesis includes detailed information about the induction loop system, its position and performance, following with the design of the amplifier, execution of the design and with the conclusion of measured parameters for the accomplishment of the required parameters.
154

Auslegung eines induktiven Energieübertragungssystems für Lastenpedelecs

Vogt, Johannes Paul, Kertzscher, Jana 22 September 2021 (has links)
Der vorliegende Beitrag beschreibt die Auslegung eines Resonanzübertragers für den Einsatz in kontaktlosen Pedelec-Ladesystemen. Dazu wird im ersten Teil die Schrittfolge des Auslegungsprozesses erarbeitet sowie die notwendigen Systemanforderungen analysiert. Der zweite Teil beschreibt die simulationsgestützte Bestimmung der Systemparameter. / This paper describes the design of a resonant transformer for use in contactless pedelec charging systems. In the first part, the steps of the design process is worked out and the necessary system requirements are analyzed. The second part presents the implementation of the simulationbased determination of the system parameters.
155

Model úzkopásmové komunikace PLC / Narroband PLC model

Sekot, Karel January 2009 (has links)
This thesis is focused on data communication utilizing low-voltage power distribution lines (PLC). It describes interference in narrowband systems commonly used for remote data collecting, for example. Preamble deals with basic priciples of PLC (signal injecting) and describes the measuring workplace, its wiring and used tools. Following sections define different types and possible sources of interference, operation of the equipment in terms of EMC and other characteristics of the transmission path. The text also analyzes practical interference tests, identifies main parameters affecting data transmision and compares teoretical and practical conclusions.
156

Posouzení investičního záměru na výstavbu výrobní haly / Assessment of investment project on construction of a production hall

Jeleníková, Judita January 2014 (has links)
The diploma thesis analyzes the current situation of a flowmeters production company. Embraces the investment plan for a purchase of the construction hall including also calibration equipment. The second purpose is the expected opportunity to realize production in own facility. As the assignment of thesis we should target to formulate recommendations whether to realize the intended investment.
157

Framing the Social Imaginary of Citizenship: Ontario’s Canadian and World Studies 9 & 10 Curriculum Policy Document in Retrospect and Prospect

Butler, Jesse 16 April 2020 (has links)
In Ontario, as in many other provincial, state, and national jurisdictions, the government has come to play a significant role in shaping the curriculum taught in public schools. The curriculum, in this sense, is a matter of public policy. In educational research, however, there is a surprising lack of literature analyzing the curriculum as policy. This thesis engages with this gap in the literature through a multifaceted analysis of four successive versions of Ontario’s key curriculum policy document on the education of public secondary students as citizens. In analyzing this document, my emphasis is on how it frames citizenship, which I understand here as the desired relationship between the individual, the society, and the state. Methodologically, this thesis is a hybrid of deductive and inductive analytic approaches. The deductive element consists of an analysis of theoretical literature to develop a typology of the dimensions of citizenship—political, public, juridical, economic, and cultural. The inductive element consists of qualitative analyses of both the four versions of the curriculum policy document and a selection of interviews with teacher candidates who taught courses from this document. My findings reveal a gradual shift in the framing of citizenship in the curriculum over a twenty-year period, with active participation in local or national public life becoming eclipsed in favour of an individualized emphasis on economic participation and juridical responsibilities. While the teacher candidates interviewed reveal a willingness to creatively reinterpret the curriculum, they also describe how they are constrained by a network of other policies that effectively discourage active forms of citizenship. In conclusion, I suggest that future revisions of the curriculum policy document should place greater emphasis on active forms of citizenship in order to bring greater balance to citizenship education policy in Ontario.
158

Knowledge Representation, Reasoning and Learning for Non-Extractive Reading Comprehension

January 2019 (has links)
abstract: While in recent years deep learning (DL) based approaches have been the popular approach in developing end-to-end question answering (QA) systems, such systems lack several desired properties, such as the ability to do sophisticated reasoning with knowledge, the ability to learn using less resources and interpretability. In this thesis, I explore solutions that aim to address these drawbacks. Towards this goal, I work with a specific family of reading comprehension tasks, normally referred to as the Non-Extractive Reading Comprehension (NRC), where the given passage does not contain enough information and to correctly answer sophisticated reasoning and ``additional knowledge" is required. I have organized the NRC tasks into three categories. Here I present my solutions to the first two categories and some preliminary results on the third category. Category 1 NRC tasks refer to the scenarios where the required ``additional knowledge" is missing but there exists a decent natural language parser. For these tasks, I learn the missing ``additional knowledge" with the help of the parser and a novel inductive logic programming. The learned knowledge is then used to answer new questions. Experiments on three NRC tasks show that this approach along with providing an interpretable solution achieves better or comparable accuracy to that of the state-of-the-art DL based approaches. The category 2 NRC tasks refer to the alternate scenario where the ``additional knowledge" is available but no natural language parser works well for the sentences of the target domain. To deal with these tasks, I present a novel hybrid reasoning approach which combines symbolic and natural language inference (neural reasoning) and ultimately allows symbolic modules to reason over raw text without requiring any translation. Experiments on two NRC tasks shows its effectiveness. The category 3 neither provide the ``missing knowledge" and nor a good parser. This thesis does not provide an interpretable solution for this category but some preliminary results and analysis of a pure DL based approach. Nonetheless, the thesis shows beyond the world of pure DL based approaches, there are tools that can offer interpretable solutions for challenging tasks without using much resource and possibly with better accuracy. / Dissertation/Thesis / Doctoral Dissertation Computer Science 2019
159

Induktiva och deduktiva arbetssätt inom matematik : En systematisk litteraturstudie om hur induktiva och deduktiva arbetssätt kan påverka elevers matematiska förståelse / Inductive and deductive teaching methods in mathematics : A systematic literature study on how inductive and deductive teaching methods can affect students' mathematical understanding

Algulin, David, Sandberg, Jesper January 2021 (has links)
Denna systematiska litteraturstudie syftar till att undersöka hur induktiva eller deduktivaarbetssätt i undervisning påverkar elevers förståelse för matematiska innehåll samt vilka föroch nackdelar det finns med respektive. Studiens frågeställningar grundar sig i egnaerfarenheter och utifrån observation på skolor, där vi mött elever med bristande matematiskförståelse. Vi har då uppmärksammat att lärare återkommande fokuserar undervisningen påutantillkunskap, och i hög grad bearbetar matematiska innehåll med deduktiva arbetssätt.Observationerna utgjorde grunden till en hypotes om att det finns ett samband mellan eleversbristande förståelse och deduktiv undervisning som fokuserar på utantillkunskap. I studiengranskas tidigare forskning genom att tio utvalda vetenskapliga artiklar kategoriseras utifrånteoretiska perspektiv och dess innehåll tematiseras utifrån framgångsfaktorer för eleverslärande. Studiens resultat med utgångspunkt i de granskade artiklarna tyder på attarbetssättets induktiva eller deduktiva karaktär är av mindre betydelse för eleversmatematiska förståelse. Slutsatsen blir således att de identifierade framgångsfaktorerna ärmer adekvata för elevers matematiska förståelse.
160

Teaching the Inductive Bible Study Method of Bible Interpretation to Adults: a Comparison of Three Instructional Approaches

Pak, Luke Kyungwhan 08 1900 (has links)
This study compared three groups of adult learners in a church education environment in order to determine the effectiveness of using lecture/demonstration plus cooperative learning elements with or without group processing (LCL) as compared to the use of lecture/demonstration plus individualistic learning elements (LIL) with the Inductive Bible Study Method (IBSM) as the common subject for all groups. While group A experienced highly structured cooperative learning without having group processing, group B experienced highly structured cooperative learning with an emphasis on group processing. Group C served as a control group. This study took place with a total of five class hours. For measuring student cognitive achievement, the subjects were administered a written pretest and posttest in the form of a "use-of-IBSM measure." For measuring students' attitude toward Bible interpretation (as promoted by IBSM), the students responded to an "attitude-toward-Bible-interpretation measure" at pretest and posttest. For measuring students' affective reactions, the students responded to a posttest-only "students'-satisfaction-with-the-learning-experience measure". Students' attitude toward the philosophy behind IBSM was measured by using an "attitude-toward-IBSM" instrument at posttest. In addition, teachers and students were interviewed orally at posttest to ascertain their affective reactions to the instructional approach they experienced. Connections between demographic data and students' use and/or attitude toward ISBM, as well as their satisfaction with the learning experience and attitude toward cooperative versus individualistic instructional methodology were also explored. The data from the use-of IBSM as well as attutide-toward-Bible-interpretation measures were analyzed by analysis of covariance. Other posttest-only tests were analyzed by a priori comparisons. Three major findings of this study were: (1) LCL did not produce any significant impact on learners' use of IBSM, attitude toward IBSM, or satisfaction with the learning experiences compared to LIL; (2) Group processing did not enhance the achievement effects of the experimental group B when compared to other contrast groups; and (3) LCL promoted students' affective outcomes in the areas of consensus building and intragroup dynamics.

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