1000 resultados para issues


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This paper reports the design of a new remotely operated underwater vehicle (ROV), which has been developed at the Underwater Systems and Technology Laboratory (USTL) - University of Porto. This design is contextualized on the KOS project (Kits for underwater operations). The main issues addressed here concern directional drag minimization, symmetry, optimized thruster positioning, stability and layout of ROV components. This design is aimed at optimizing ROV performance for a set of different operational scenarios. This is achieved through modular configurations which are optimized for each different scenario.

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Tese apresentada para cumprimento dos requisitos necessários à obtenção do grau de Doutor em Línguas, Literaturas e Culturas

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A producer of 5.4 M bbl/d, totalling almost half of the consumption of the entire European Union, the Gulf of Guinea is a fundamental lifeline and maritime link between Europe, the Americas and Africa. Geographically positioned as a staging post for transit originating in Latin America and coupled with its relatively porous borders, the region is also the perfect stepping stone for contraband heading to European shores. While blessed with an enviable wealth of marine and mineral resources, the region is also plagued by an ever-increasing spectre of maritime piracy; accounting for around 30% of incidents in African waters from 2003 to 2011. It is for these reasons that this research centres around the issues of maritime security in the Gulf of Guinea, with a particular focus on the first two decades of the 21st century. This research looks to examine the overall picture of the present state of play in the area, before going on to provide an analysis of potential regional developments in maritime security. This research begins with the analysis of concepts/phenomena that have played a notable role in the shaping of the field of maritime security, namely Globalisation and security issues in the post-Cold War era. The ensuing chapter then focuses in on the Gulf of Guinea and the issues dominating the field of maritime security in the region. The penultimate chapter presents a SWOT analysis, undertaken as part of this research with the aim of correlating opinions from a variety of sectors/professions regarding maritime security in the Gulf of Guinea. The final chapter builds upon the results obtained from the abovementioned SWOT analysis, presenting a series of potential proposals/strategies that can contribute to the field of maritime security in the region over the coming years. This research draws to a close with the presentation of conclusions taken from this particular investigation, as well as a final overview of the earlier presented proposals applicable to the field of maritime security during the second decade of the 21st century.

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Les aspects physiques et psychiques sont étroitement intriqués à l'adolescence, et le corps représente un lieu privilégié d'expression des conflits. C'est dire l'importance de donner une place de choix au versant psychologique au sein d'une consultation de santé des adolescents, pour tenter de discerner la souffrance psychique souvent cachée derrière la plainte somatique.

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Psychiatry is now subject to two apparently contradictory movements. On the one hand, the need to respect the autonomy and rights of patients is reinforced and coercive measures are strictly defined and limited. On the other hand, security concerns in our society leads to prosecution of psychiatric disorders, especially when accompanied by behavioral problems or criminal acts. In these situations of compulsory treatment or care provided in prisons, a number of dilemmas emerge. The place of the healthcare professional in treatments ordered by the Justice and problems related to administrative detention are discussed in more detail.

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In the philosophical literature, self-deception is mainly approached through the analysis of paradoxes. Yet, it is agreed that self-deception is motivated by protection from distress. In this paper, we argue, with the help of findings from cognitive neuroscience and psychology, that self-deception is a type of affective coping. First, we criticize the main solutions to the paradoxes of self-deception. We then present a new approach to self-deception. Self-deception, we argue, involves three appraisals of the distressing evidence: (a) appraisal of the strength of evidence as uncertain, (b) low coping potential and (c) negative anticipation along the lines of Damasio's somatic marker hypothesis. At the same time, desire impacts the treatment of flattering evidence via dopamine. Our main proposal is that self-deception involves emotional mechanisms provoking a preference for immediate reward despite possible long-term negative repercussions. In the last part, we use this emotional model to revisit the philosophical paradoxes.

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Règlement particulier (tenue du 2 mai 1868).

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Despite the increasing public profile of lesbian childbearing, public health resources for expectant women often bear heterosexist assumptions and create barriers to accessing information relevant to lesbian mothering experiences. This descriptive, exploratory study examined one lesbian couple's perceived educational needs for effective support, barriers to access, strategies for locating care, and the impact of childbearing on their lives, as well as their reflections on inviting ways to offer supportive practices in a public health context. A case study approach used feminist ethnographic methodology and purposeful convenience sampling. A prenatal and a postnatal open-ended interview were completed with 1 white, middle-class, able, lesbian childbearing couple, each ofwhom has birthed as coparent and biological mother in this couple relationship. Despite this couple's immense situated privilege, they struggled to locate the support they sought for childbearing in a way that offered optimal emotional and physical care from the preconceptual to postpartum stages and which maintained confidentiality or anonymity as desired. They created meaningful care through personal networks. The findings were framed using invitational and feminist theories: how people, places, programs, processes, policies, and politics contributed to educational support. A three part conceptual framework emerged which identified components of access to support: perceived safety of resources, disclosure status, situated privilege, and public or private availability of information. The consequences of lack of public access to comprehensive childbearing care for lesbian women and their communities are described. Educational possibilities addressed systemic heterosexism through the development of sensitive educators, meaningful curriculum, program planning, explicit policies, community partnerships, and political leadership with respect to both institutional and research venues.

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The purpose of this study was to investigate the issues surrounding the transition into the teaching profession by specifically focusing on teacher induction and mentoring issues while explicitly addressing matters of concern by secondary music teachers in a large suburban school board in southern Ontario. Participants included beginning teachers with fewer than 5 years of teaching, mid career teachers with between 6 and 15 years of instruction, and experienced teachers with more than 16 years of practice. The ' processes of mentoring and inducting new teachers within the board were examined, along with their relationships between proteges, mentors, and administrators. Further, internal and external programs specifically designed and implemented for newer music teachers were scrutinized and discussed. An analysis of key documents and literature on the subject was performed, and data were collected through 16 personal interviews. The findings suggest that although the necessity of mentoring and induction processes has begun to be recognized, there exists a fundamental relationship between mentoring and induction and the effect of the professional attachments to mentoring; the institutional and administrative supports that are enabled; and essential processes and practices between mentors and proteges. Together these three arms combine to support successfiil induction and mentoring initiatives that will help ease the transition into teaching.

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For most people design is a mystery. The products of design are integrated into our daily lives to the point that design has become invisible to us. However. what is subsumed in design practice is a creative problem-solving process that is applicable as a teaching strategy as well as a method for teaching the subject of design. The purpose of this study was to inquire into the current classroom practice of Ontario Visual Arts and Technological Education teachers, understand the goals of Ontario government curriculum developers, and explore the position held by the professional design community on secondary school design education. Data for this study were collected from: (a) a textual analysis of 4 Ministry curriculum documents; (b) interviews with JO stakeholders; (c) unobtrusive observations and informal conversations conducted at 7 secondary school open house events; and (d) observation of 2 sessions of an AQ course for Design and Technology. The research design modeled the design process and was divided into 2 parts: a discovery or problem-finding phase and a discussion or problem-solving phase. The results showed that design is misunderstood and misused; it has become lost between visual arts and technology where neither program holds responsibility for its delivery; students mistake working on computers for design practice; and while there is a desire within the professional community to have a voice in secondary school design education. there is no forum for participation. The technology-driven paradigm shift taking place in society today calls for a new framework for tellching and practicing dcsign. Further research is required; howcvcr. in the meantime. secondary school educators might benefit from professional development and classroom support from the professional dcsign community.

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The following phenomenologically oriented study examines and describes the relevance and effectiveness of professional development and continuing education programs for real-world situations of personal trainers. The participants were personal trainers, facility managers, and persons involved in the accreditation process. Data collection took place in 3 phases. The first phase consisted of the participants completing the PUMP Questionnaire, followed by focus groups with personal trainers and interviews with managers. The study's 3 data sets required reduction via a content analysis by question, content analysis by existential categories, and further thematic analysis using the lived relation existential dimension. The discussion contains the salient sites and issues of disconnect between clients, personal trainers, and facility managers and how they might affect the personal training experience. The intergenerational disconnect emphasized between Boomers as clients and Millennials as personal trainers requires further exploration and dialogue and underscores the need for different approaches to content and delivery of professional development and continuing education experiences for personal trainers and managers of fitness facilities.

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Due to the impact of sport on the natural environment (UN, 2010), it is important to examine the interplay between environmental issues and sport (Hums, 2010, Mallen & Chard, 2011; Nauright & Pope, 2009; Ziegler, 2007). This research content analyzed 82 ski resort environmental communications (SRECs). These communications were rated for their prominence, breadth, and depth using the delineation of environmental issues provided by the Sustainable Slopes Program (SSP) Charter. This data was compared to the resorts’ degree of environmentally responsible action as rated by the Ski Area Citizens’ Coalition (SACC). An adaptation of Hudson and Miller's (2005) model was then used to classify the ski resorts as inactive, reactive, exploitive, or proactive in their environmental activities. Recommendations have been made for standardization and transparency in environmental disclosures and an environmental management system to aid ski resorts in moving from ad hoc processes to a systematic and comprehensive framework for improving environmental performance.

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The purpose of this case study was to gain an in-depth understanding of the experiences of 3 second-career males prior to and during their participation in teacher education programs. Case study research techniques were used to elicit data from 3 participants who had completed teacher education programs and were actively teaching in various capacities in Ontario. Data were collected through an email questionnaire, 2 open-ended, one-on-one interviews, and the researcher's field notes and reflections of the interview process. These data were coded, analyzed for emerging trends, collated, and presented as a series of findings. The study revealed that these 3 second-career males transitioning into teacher education programs encountered a number of difficulties, some of which are a result of the way program providers structure their recruitment processes and present their curricula. Findings indicated that the second-career males in this study appeared to be inadequately prepared to work in a female-dominated profession. The study also found incompatibilities between associate teachers and these second-career candidates during practice teaching sessions. The findings and implications are of interest to teacher educators, school boards, teacher federations, and prospective adult candidates that may be considering teaching as an alternative second career.

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ABC's popular television series Lost has been praised as one of the most innovative programs in the history of broadcast television primarily due to its unique storytelling content and structure. In this thesis, I argue that in spite of its unconventional stances in terms of narrative, genre, and character descriptions, Lost still conforms to the conventional understanding of family, fatherhood, and subjectivity by perpetuating the psychoanalytic myth of the Oedipus complex. The series emphasizes the centrality of the father in the lives of the survivors, and constructs character developments according to Freud's essentialist and phallocentric conception of subjectivity. In this way, it continues the classic psychoanalytic tradition that views the father as the essence of one's identity. In order to support this argument, I conduct a discursive reading of the show's two main characters: Jack Shepherd and John Locke. Through such a reading, I explore and unearth the mythic/psychoanalytic importance of the father in the psychology of these fictional constructs.