25 resultados para Équation de Korteweg-De Vries

em Deakin Research Online - Australia


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The Tonic Sol-fa method of teaching choral singing was propagated throughout Britain during the nineteenth century with the dual objectives of enhancing Christian worship and achieving social reform. It was then imported to South Africa where it was introduced to indigenous people principally through Christian missionary activity and government schools. Although entirely of foreign origin, Tonic Sol-fa was so fully assimilated into African culture that it became effectively 'indigenised'. Due to its widespread use, it became the mainstay of community choral singing and may now be said to represent a significant exogenous aspect of present-day South African musical identity. However, there is little documentation regarding the type and extent of its use in contemporary choral music practice.

This paper will report on the use of Tonic Sol-fa in representative present-day choral music settings. Interview data collected from choir directors, trainers and teachers in Cape Town indicate that there is far from unanimous agreement on several aspects - in particular, the future of Tonic Sol-fa as a pedagogy and notational system. Improving educational opportunities for indigenous South Africans to undertake professional training in music are now threatening the traditional dominance of Tonic Sol-fa in indigenous culture. Nevertheless this research represents a useful case study of the continuing relevance of Tonic Sol-fa to an indigenous population who have 'made it their own' and developed a vibrant choral tradition which continues to both enrich and sustain their lives.

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By discussing the future challenges to musical arts education in Africa in which local cultural practices are valued, the differences of those historically marginalised by virtue of gender, race, ethnicity, and class, are celebrated. In Africa, musical arts education and culture are regarded as an integral part of our life, which not only embraces the spiritual, material and intellectual aspects of our society, but also contributes greatly toward our emotional development. This affirms the integrity and importance of various forms of 'Art' including literature, technology, design, dance, drama, music, visual art, media and communication.

This paper will discuss the future of African musical arts education programmes through the dynamic cycle of differentiation, integration and disassociation. The authors will consider the concept of ‘differentiation’, ‘integration’ and ‘disassociation’ within musical arts practice. An analysis of selected international arts education programmes provides a globally differentiated perspective through a discipline-based approach. In the African context, arts education programmes are located within an integrated approach. The structure of a Music Action Research Team (MAT cell) in Southern African Developing Community (SADC) countries will be highlighted as a means to address disassociation through the active engagement of professional development programmes offered by the Centre for Indigenous African Instrumental Music and Dance (CIIMDA).

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As one of the leading figures in nineteenth century school music in Victoria and more widely in Australia, Samuel McBurney contributed significantly to the promotion of Tonic Sol-fa as a music teaching method as well as to supporting the role of music as a subject in the school curriculum. However his role also extended to that of composer of vocal and choral works for both adults and children. Although largely conforming to the established genre of choral writing of his time, McBurney’s compositional output nevertheless represents a variety of styles ranging from lieder to school and popular songs, and from children’s cantatas to celebratory and patriotic anthems.

This paper considers a representative sample of McBurney’s compositional output in the light of both its musical and extra-musical content. It is argued that his compositions represent several important themes that emerged in Australian colonial society during the latter part of the nineteenth century. His music contributed not only to the moral and aesthetic development of school children but also supported the growing tide of nationalism (which resulted in Federation in 1901) in adult choral music making. Moreover, particularly in relation to his school cantatas, McBurney continued the tradition established by earlier school music composers in Australia - such as James Fisher in New South Wales - by providing a repertoire of choral music for use in schools which, to the present day with the current vogue for school musical productions, continues to be a source of enjoyment, celebration and 'healthful recreation' for young people.

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Education provides unique opportunities for individuals to develop their full character as Australian citizens who can play a part in the shaping of the future. All educational settings have an important role to play in bridging differences and promoting mutual respect, tolerance and understanding between people of different races, cultures, and religions. The curriculum is one component of the wider educational milieu that should be 'an enabling mechanism that nurtures adjustment to change, and simultaneously provides a roadmap of expectation' (Bruniges, 2005, p.15). As the rate and diversity of both local and global change accelerates, education continues to be faced with a multiplicity of challenges. The ways in which we respond to this will influence both the society and the curriculum that we design, implement and evaluate. Currently music educators implementing the Victorian Essential Learning Standards (VELS) are faced with the challenge of developing multicultural practices that align with both curriculum initiatives and create authentic experiences for students. As in the well-known story of the blind men and the elephant, teachers are faced with resources that offer only a shallow introduction to what is a multifaceted field. The question we pose is: 'How do educators embrace a vast range of cultural and social dimensions in our school music programmes without being like a blind man, grasping only one perspective of an extensive and complex whole?'

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Although much research has been done on the existence and formation of risk and issue based health policies, there is only little insight in health policy development processes in a broader context. This hampers intervention in these policy processes to adequately develop integrated and effective health policies.

Legislation in the Netherlands requires municipalities to develop and implement local health policies. These policies are supposed to aim at the promotion of health across sectors and with a strong community involvement. Health policy development processes have been studied in four Dutch municipalities. For each case, we identified a range of stakeholders and monitored the change or stability of their characteristics over 3 years. In addition, for each case, three overlaying maps of networks were made addressing communication and collaboration actions within the defined set of stakeholders. We point out a number of barriers which impede integrated policy development at the local level: the importance given to local health policy, the medical approach to health development, the organizational self-interest rather than public health concern, the absence of policy entrepreneurial activity.

Furthermore, this article advocates the use of complementary theoretical frameworks and the expansion of the methodological toolbox for health promotion. The value of stakeholder and network analysis in the health promotion domain, at this stage, is two-fold. First, mapping relevant actors, their positions and connections in networks provides us with insight into their capacity to participate and contribute to health policy development. Second, these new tools contribute to a further understanding of policy entrepreneurial roles to be taken up by health promotion professionals and health authorities in favour of the socio-environmental approach to health.

Notwithstanding the value of this first step, more research is required into both the practical application as well as in the theoretical connections with, for example, Multiple Streams theory.


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The teaching and learning of Indigenous African music is characterised as a holistic integrated experience where music, dance and theatre are inseparable, seen as an integral part of culture. The transmission of this experience is absorbed through participation in cultural activities from childhood in the community. In African societies, both traditional and contemporary, musical arts education and the understanding of culture are fundamental to life, community and society. It is through musical arts, that Africans embrace spiritual, emotional, material and intellectual aspects and knowledge of both the individual and the community. This paper reports on an in-service program (August 2006) offered at the Centre for Indigenous African Instrumental Music and Dance Practices (CIIMDA), Pretoria, South Africa. For the purpose of this paper, the one week professional development course undertaken by generalist primary school teachers from Swaziland is highlighted and proves worthy for these teachers to implement what they learnt in the classroom. As a position paper, I contend that the understanding and participation in indigenous cultural musical arts practices, enlightens learners about their cultural heritage and further enriches their understanding of African music and dance that can be adopted, adapted and applied to primary schools in Swaziland. This paper summaries some key findings of interview data from ten participants in relation to the intensive program. By offering such in-service professional development programs, teachers are able to reach their wider communities where they will continue to share and speak about African music, dance and culture.

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Pre-service teacher education students from two Australian universities were interviewed about their understandings of cultural diversity in music education. These initial findings revealed varied but generally consistent enthusiasm about including music from different cultures in teaching. However comments revealed an almost haphazard exposure to other musics. These were generally informal rather than learned in their formal education. Interviewees recognised the training that they had received in their tertiary studies in other cultures (both Western and non-Western) and expressed the intention to pursue professional development in their future careers. Engaging with the music of other cultures allows teachers and students to develop understanding and empathy with others. This is in line with current governmental initiatives on values that states that values education is intended to 'inspire and educate the next generation to see their world through the eyes of others. We want children to become adults who are caring, tolerant, fair and compassionate' (Department of Education, Science and Training, n.d., p. 2). Comments from the interviewees illustrate just such attitudes and understandings. It behoves us as educators to prepare students for teaching in multicultural classrooms that reflect the wider Australian society.

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In recent decades, school health promotion programs have been developing into whole-school health approaches. This has been accompanied by a greater understanding among health promoters of the core-business of schools, namely education, and how health promotion objectives can be integrated into this task. Evidence of the positive impact of school health promotion on health risk behavior of students is increasing. This article focuses on the processes and initial results of developing a collaborative model tailored for whole-school health in the Netherlands, named schoolBeat. The Dutch situation is characterized by fragmentation, a variety of health and welfare groups supporting schools, and a lack of sound integrated youth policies. A literature review, observations, and stakeholder consultation provided a clear picture of the current situation in school health promotion, and factors limiting a comprehensive and needs-based approach to school health. This revealed that a health promotion team within a school is fundamental to an effective approach to tailored school health promotion. A respected member of school staff should chair this team. To strengthen the link with the school care team, the school care coordinator should be a member of both teams. To provide coordinated support to all schools in a region, participating organizations decided to share advisory tasks. These tasks are included in the regular health promotion work of their staff. This means working with one advisor representing all school-health organizations per school, and using a comprehensive overview of possible support and projects promoting health. Empowering schools in needs assessments and comprehensive school health promotion is an important element of the developed approach. This article concludes with an examination of emerging issues in evaluating collaborative school health support during the first 18 months of development, and implementation and future perspectives regarding sustainable collaboration and quality improvement.

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The 1960s saw a broadening of the offerings of music from other cultures in the materials and programs of the Australian Broadcasting Commission (ABC). This is a useful indicator for our changing perceptions. Since then, increasingly ‘authentic’ music materials have been available to primary classroom teachers, but how far have we really come? Blacking (1973) identified the difficulty of truly acquiring an understanding, skill and authenticity in the music of another culture. Blacking stressed the importance of music and musical acquisition occurring in a cultural context. In many cultures there is a clear link between the acquisition of musical and social skills. By removing music from one culture and presenting it in the symbolic gestures of another we may strip much of its meaning. It is very difficult for a member of one culture to comprehend the music and culture of another without understanding its social milieu. This is particularly true for musics from cultures removed from the Western music paradigm. It could be argued that the further we move from our cultural norm, the harder it is to produce authentic experiences for students and future experienced teachers. By considering the resources offered to teachers and teacher education students we can explore the attempts we have made, and continue to make, in our attempts to move from integration to multiculturalism. As a ‘work in progress’, this paper will consider the inclusion of African music in the nationally distributed ABC school singing books as a means of illustrating and marking change.

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This paper is based on ongoing work in developing interactive interfaces to formal methods for encoding design knowledge. It reports on the development of a shared graphical notation to support user interaction with design knowledge based on mixed-initiative. Mixed-initiative provides a model of interaction where both the designer and the knowledge formalism may share responsibility over decisions. The paper discusses how a formal visual notation can support the mixed-initiative mode for developing and managing formal design knowledge. The notation addresses on the dialogue problem between the user and a knowledge based formalism and illustrates a model of interaction in which the user and the formalism can share and input data through a common shared resource, on a common shared task. The paper demonstrates the use of this notation in common decision tasks and the implications for seamless interaction with design support systems.

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An important part of educating students in electronics and electrical engineering is laboratory practicals. Providing effective practical experience to students by distance education has always been a significant challenge to the engineering educator. Deakin University has for many years taught practicals in basic digital electronics to off-campus students by means of a kit. The same students have performed related exercises in analogue electronics, which require generating and measuring AC signals, by means of either software simulations or on-campus attendance at lab classes. This year, for the first time, off-campus students are being provided with a new kit, which contains a low-cost, battery-powered AC signal generator, and an interface that allows a PC to be used as an oscilloscope. This kit allows the off-campus student further flexibility in learning basic electronics.

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We previously described a putative role for inosine monophosphate dehydrogenase (IMPDH), a rate-limiting enzyme in de novo guanine nucleotide biosynthesis, in lipid accumulation. Here we present data which demonstrate that IMPDH activity is required for differentiation of preadipocytes into mature, lipid-laden adipocytes and maintenance of adipose tissue mass. In 3T3-L1 preadipocytes inhibition of IMPDH with mycophenolic acid (MPA) reduced intracellular GTP levels by 60% (p < 0.05) and blocked adipogenesis (p < 0.05). Co-treatment with guanosine, a substrate in the salvage pathway of nucleotide biosynthesis, restored GTP levels and adipogenesis demonstrating the specificity of these effects. Treatment of diet-induced obese mice with mycophenolate mofetil (MMF), the prodrug of MPA, for 28 days did not affect food intake or lean body mass but reduced body fat content (by 36%, p = 0.002) and adipocyte size (p = 0.03) and number. These data suggest that inhibition of IMPDH may represent a novel strategy to reduce adipose tissue mass.