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- Faculty of Engineering and Information Sciences - Papers: Part A (24)
- Faculty of Commerce - Papers (Archive) (22)
- Faculty of Social Sciences - Papers (Archive) (18)
- Faculty of Science, Medicine and Health - Papers: part A (13)
- Senior Deputy Vice-Chancellor and Deputy Vice-Chancellor (Education) - Papers (13)
Articles 31 - 60 of 118
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Conference Report: Dietary Guidelines For A New Millennium, Peter R.C Howe, Paul Nestel
Conference Report: Dietary Guidelines For A New Millennium, Peter R.C Howe, Paul Nestel
Faculty of Science, Medicine and Health - Papers: part A
The US dietary guidelines are being updated, new dietary guidelines for older Australians were released last year, and Australia and New Zealand are jointly reviewing recommendations for nutrient intakes. Who needs them? Are they merely bureaucratic exercises or should we be taking them seriously? If so, how should they be managed for maximum benefit?
The Carletonville-Mothusimpilo Project: Limiting Transmission Of Hiv Through Community-Based Interventions, Brian G. Williams, Catherine L. Mac Phail, Catherine Campbell, D Taljaard, Eleanor Gouws, S Moema, Z Mzaidume, B Rasego
The Carletonville-Mothusimpilo Project: Limiting Transmission Of Hiv Through Community-Based Interventions, Brian G. Williams, Catherine L. Mac Phail, Catherine Campbell, D Taljaard, Eleanor Gouws, S Moema, Z Mzaidume, B Rasego
Faculty of Social Sciences - Papers (Archive)
For all of the last century, the economy of South Africa, and so also of its neighbouring countries, has depended on migrant labour from rural areas. This is particularly so for the mining industry, especially hard-rock mining, and this has led to a system of 'oscillating' migration whereby men from rural areas come to live and work on the mines, without their wives or families, but return home regularly. This pattern of oscillating migration is an important determinant of health and, especially at the start of the epidemic, contributed to the spread of HIV in the region. In this paper …
Visually Directed Walking To Briefly Glimpsed Targets Is Not Biased Toward Fixation Location, John W. Philbeck
Visually Directed Walking To Briefly Glimpsed Targets Is Not Biased Toward Fixation Location, John W. Philbeck
Faculty of Social Sciences - Papers (Archive)
When observers indicate the magnitude of a previously viewed spatial extent by walking without vision to each endpoint, there is little evidence of the perceptual collapse in depth associated with some other methods (eg visual matching). One explanation is that both walking and matching are perceptually mediated, but that the perceived layout is task-dependent. In this view, perceived depth beyond 2 - 3 m is typically distorted by an equidistance effect, whereby the egocentric distances of nonfixated portions of the depth interval are perceptually pulled toward the fixated point. Action-based responses, however, recruit processes that enhance perceptual accuracy as the …
Online Support For Preservice Mathematics Teachers In Schools, Anthony Herrington, Janice Herrington, Arshad Omari
Online Support For Preservice Mathematics Teachers In Schools, Anthony Herrington, Janice Herrington, Arshad Omari
Faculty of Social Sciences - Papers (Archive)
This paper describes the development of a web-based resource designed to support preservice mathematics teachers on school practice. The development of the site resulted in part from a needs analysis conducted with a focus group of students. The purpose of the focus group discussion was to gain from the students their ideas about the type of support that would be most helpful to them as they prepare to teach mathematics lessons, and how the university might be able to assist in these sometimes prolonged periods in school where they are without their traditional support structures. As a result of these …
Preservice Teachers' Understanding And Representation Of Equality Of Fractions In A Javabars Environment, Mohan Chinnappan
Preservice Teachers' Understanding And Representation Of Equality Of Fractions In A Javabars Environment, Mohan Chinnappan
Faculty of Social Sciences - Papers (Archive)
In recent years, considerable research effort has been invested in identifying the nature of the knowledge that drives mathematics teachers’ actions in the classroom. While this investigation has generated a useful body of information, there has been little information about changes in the character of this knowledge when teaching involves the use of technology. In this paper, I address this issue by examining a group of preservice primary mathematics teachers’ understanding of fractions. The participants were required to order fractions within software called JavaBars. The results suggest that, while the preservice teachers had built up robust knowledge about fractions, they …
Severe Maternal Psychopathology And Infant-Mother Attachment, A E. Hipwell, Frits Goossens, Edward Melhuish, R Kumar
Severe Maternal Psychopathology And Infant-Mother Attachment, A E. Hipwell, Frits Goossens, Edward Melhuish, R Kumar
Faculty of Social Sciences - Papers (Archive)
Eighty-two mother-infant dyads, comprising women with psychiatric disorder and individually matched controls, were followed up over the children's 1st year of life. The mothers with mental illness consisted of two subgroups: first, 25 severely mentally ill mothers who had been admitted to a psychiatric unit with their infants; and second, 16 mothers from a community sample meeting research diagnostic criteria for unipolar, nonpsychotic depression. With the exception of six dyads in the in-patient group, observations were made of the mother-infant interaction and the quality of the infant-mother attachment relationship at 12 months. The nature and course of the mothers' illness …
Developments In Blast Furnace Process Control At Port Kembla Based On Process Fundamentals, Robert Nightingale, Rian Dippenaar, Wei-Kao Lu
Developments In Blast Furnace Process Control At Port Kembla Based On Process Fundamentals, Robert Nightingale, Rian Dippenaar, Wei-Kao Lu
Faculty of Engineering and Information Sciences - Papers: Part A
This article is based on a presentation made in the "Geoffrey Belton Memorial Symposium," held in January 2000, in Sydney, Australia, under the joint sponsorship of ISS and TMS.
The C*-Algebras Of Row-Finite Graphs, Teresa Bates, David Pask, Iain Raeburn, Wojciech Szymanski
The C*-Algebras Of Row-Finite Graphs, Teresa Bates, David Pask, Iain Raeburn, Wojciech Szymanski
Faculty of Engineering and Information Sciences - Papers: Part A
We prove versions of the fundamental theorems about Cuntz-Krieger algebras for the C*-algebras of row-finite graphs: directed graphs in which each vertex emits at most finitely many edges. Special cases of these results have previously been obtained using various powerful machines; our main point is that direct methods yield sharper results more easily.
Non-Gravitational Heating In The Hierarchical Formation Of X-Ray Clusters, K K S Wu, A C. Fabian, Paul E J Nulsen
Non-Gravitational Heating In The Hierarchical Formation Of X-Ray Clusters, K K S Wu, A C. Fabian, Paul E J Nulsen
Faculty of Engineering and Information Sciences - Papers: Part A
The strong deviation in the properties of X-ray clusters from simple scaling laws highlights the importance of non-gravitational heating and cooling processes in the evolution of protocluster gas. We investigate this from two directions: by finding the amount of ‘excess energy’ required in intracluster gas in order to reproduce the observed X-ray cluster properties, and by studying the excess energies obtained from supernovae in a semi-analytic model of galaxy formation. Using the insights obtained from the model, we then critically discuss possible ways of achieving the high excess specific energies required in clusters. These include heating by supernovae and active …
The C*-Algebras Of Infinite Graphs, Neal J. Fowler, Marcelo Laca, Iain Raeburn
The C*-Algebras Of Infinite Graphs, Neal J. Fowler, Marcelo Laca, Iain Raeburn
Faculty of Engineering and Information Sciences - Papers: Part A
We associate C*-algebras to infinite directed graphs that are not necessarily locally finite. By realizing these algebras as Cuntz-Krieger algebras in the sense of Exel and Laca, we are able to give criteria for their uniqueness and simplicity, generalizing results of Kumjian, Pask, Raeburn, and Renault for locally finite directed graphs.
An Equivariant Brauer Semigroup And The Symmetric Imprimitivity Theorem, Astrid An Huef, Iain Raeburn, Dana Williams
An Equivariant Brauer Semigroup And The Symmetric Imprimitivity Theorem, Astrid An Huef, Iain Raeburn, Dana Williams
Faculty of Engineering and Information Sciences - Papers: Part A
No abstract provided.
Integer-Modulated Filter Banks Providing Perfect Reconstruction, Alfred Mertins, Tanja Karp, Jorg Kliewer
Integer-Modulated Filter Banks Providing Perfect Reconstruction, Alfred Mertins, Tanja Karp, Jorg Kliewer
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper, we extend the perfect reconstruction conditions known for cosine modulation to other, more general modulation schemes. The modified PR conditions provide additional degrees of freedom which can be utilized to design integer-modulated filter banks. Techniques for the design of prototypes and modulation sequences are presented.
Network Reconfiguration For Enhancement Of Voltage Stability In Distribution Networks, Kashem M. Muttaqi, Velappa Ganapathy, G G. Jasmon
Network Reconfiguration For Enhancement Of Voltage Stability In Distribution Networks, Kashem M. Muttaqi, Velappa Ganapathy, G G. Jasmon
Faculty of Engineering and Information Sciences - Papers: Part A
Network reconfiguration is performed by altering the topological structure of distribution feeders. By reconfiguring the network, voltage stability can be maximised for a particular set of loads in distribution systems. A new algorithm is formulated for enhancement of voltage stability by network reconfiguration. Initially, a certain number of switching combinations is generated using the combination of tie and its two neighbouring switches, and the best combination of switches for maximising the voltage stability in the network among them is determined. Then the search is extended by considering the branches next to the open-branches of the best configuration one by one …
Naturality And Induced Representations, Siegfried Echterhoff, S Kaliszewski, John Quigg, Iain Raeburn
Naturality And Induced Representations, Siegfried Echterhoff, S Kaliszewski, John Quigg, Iain Raeburn
Faculty of Engineering and Information Sciences - Papers: Part A
We show that induction of covariant representations for C*-dynamical systems is natural in the sense that it gives a natural transformation between certain crossed-product functors. This involves setting up suitable categories of C*-algebras and dynamical systems, and extending the usual constructions of crossed products to define the appropriate functors. From this point of view, Green's Imprimitivity Theorem identifies the functors for which induction is a natural equivalence. Various special cases of these results have previously been obtained on an ad hoc basis.
The Method Of Generalised Conditional Symmetries And Its Various Implementations, Joanna Goard
The Method Of Generalised Conditional Symmetries And Its Various Implementations, Joanna Goard
Faculty of Engineering and Information Sciences - Papers: Part A
We relate Kaptsov's method of B-determining equations for finding invariant solutions of PDEs to the nonclassical method and to the method of generalised conditional symmetries. An extension of Kaptsov's method is then used to find new solutions of degenerate diffusion equations.
Disrupting The Center: Interrogating An ‘Asian Feminist’ Identity, Lenore T. Lyons
Disrupting The Center: Interrogating An ‘Asian Feminist’ Identity, Lenore T. Lyons
Faculty of Arts - Papers (Archive)
The problem of ‘difference’ has emerged as a significant issue in western feminist theory making during the past two decades. In response to claims that mainstream feminism has ignored the lives and voices of third world women and women of colour, attention has increasingly been placed on the ways in which class and ‘race’ intersect in the everyday lived experiences of women. This work has sought to displace the hegemonic control of white, western women in the production of feminist knowledge. Despite a growing body of literature on women’s movements throughout the Asian region, however, common-sense perceptions of Asian ‘submissiveness’ …
Home Invasion: Television, Identity And Belonging In Sydney's Western Suburbs, Tanja Dreher
Home Invasion: Television, Identity And Belonging In Sydney's Western Suburbs, Tanja Dreher
Faculty of Arts - Papers (Archive)
Television occupies a central place in most Australian homes, and 'TV talk' is an important process in negotiations of individual and group identities (Gillespie. 1995). TV is the focus of many private, family interactions. As a 'window on the world', television is also a primary source of information about public life. Thus TV is deeply implicated both in interactions within the home, and in our understandings of the wider 'home' of the nation. This paper draws on discussions with diverse community groups in and around Cabramatta to explore the crucial role of TV in negotiations of 'home' and 'belonging' in …
Positionally Dependent 15n Fractionation Factors In The Uv Photolysis Of N2o Determined By High Resolution Ftir Spectroscopy, Fred Turatti, D W. T Griffith, Stephen Wilson, Michael Esler, T Rahn, H Zang, G A. Blake
Positionally Dependent 15n Fractionation Factors In The Uv Photolysis Of N2o Determined By High Resolution Ftir Spectroscopy, Fred Turatti, D W. T Griffith, Stephen Wilson, Michael Esler, T Rahn, H Zang, G A. Blake
Faculty of Science, Medicine and Health - Papers: part A
Positionally dependent fractionation factors for the photolysis of isotopomers of N2O in natural abundance have been determined by high resolution FTIR spectroscopy at three photolysis wavelengths. Fractionation factors show clear 15N position and photolysis wavelength dependence and are in qualitative agreement with theoretical models but are twice as large. The fractionation factors increase with photolysis wavelength from 193 to 211 nm, with the fractionation factors at 207.6 nm for 14N15N16O, 15N14N16O and 14N14N18O equal to −66.5±5‰,−27.1±6‰ and −49±10‰, respectively.
(De)Constructing The Interview: A Critique Of The Participatory Method, Lenore T. Lyons, J. Chipperfield
(De)Constructing The Interview: A Critique Of The Participatory Method, Lenore T. Lyons, J. Chipperfield
Faculty of Arts - Papers (Archive)
Feminist approaches to the use of interviewing emphasise the importance of building rapport with respondents in order to achieve a successful research outcome. This ‘participatory model’ is concerned with addressing power differentials between researcher and researched and thus producing non-hierarchical, non-manipulative research relationships. We argue that the continued centring of rapport as a key interview strategy ignores both the nature of power relationships within the interview, as well as interviewee subjectivity. Drawing on our own experiences of interviewing we examine the ways in which both interviewer and interviewee are placed along intersecting axes of power. An analysis of the complex …
The Environmental Crisis And The Accounting Craft, Jane Andrew
The Environmental Crisis And The Accounting Craft, Jane Andrew
Faculty of Commerce - Papers (Archive)
If the purpose of environmental accounting research is to develop, suggest ad analyse ways out fo the environmental crisis, then it is fundamental that the ethical positions informing our research are developed and explored fully before we make choices about the path and direction of our own work. This paper reviews two alternative approaches to environmental ethics, namely, radical ecology (of which deep ecology, social ecology and eco-feminism are regarded as sub-divisions) and the emerging area of postmodern environmentalism. The aim is to encourage environmental accounting researchers to consider and explicitly state the ethical position adopted within their work.
Use Of Self-Report To Monitor Overweight And Obesity In Populations: Some Issues For Consideration, Victoria M. Flood, Karen Webb, Ross Lazarus, Glen Pang
Use Of Self-Report To Monitor Overweight And Obesity In Populations: Some Issues For Consideration, Victoria M. Flood, Karen Webb, Ross Lazarus, Glen Pang
Faculty of Health and Behavioural Sciences - Papers (Archive)
Objective: To examine the validity of self reported height and weight data reported over the telephone in the 1997 NSW Health Survey, and to determine its accuracy to monitor overweight and obesity in population surveys. Method: Self-reported and measured heights and weights were collected from 227 people living in Western Sydney, who had participated in the NSW Health Survey 1997. Results: Self-reported (SR) weights and heights led to misclassification of relative weight status. BMI, based on measured weights and heights, classified 62% of males and 47% of females as overweight or obese, compared with 39% and 32%, respectively, from self-report. …
Book Review, Richard Utz And Tom Shippey (Eds), Medievalism And The Modern World: Essays In Honour Of Leslie Workman, Louise D'Arcens
Book Review, Richard Utz And Tom Shippey (Eds), Medievalism And The Modern World: Essays In Honour Of Leslie Workman, Louise D'Arcens
Faculty of Arts - Papers (Archive)
As an area of enquiry, the academic study of medievalism has seemed constitutionally, and indeed institutionally, marginal. Neither fish nor fowl, its interdisciplinarity has long consigned it in the eyes of many medievalists to the shadowy realm of para-disciplinarity, seemingly doomed to the task of merely commenting on the work of others. In recent years, however, Anglophone medieval studies has witnessed the growing momentum of what might be called a "medievalist turn". The emergence of numerous studies of the historical and political forces buttressing the emergence of the discipline, along with the biographical studies of Helen Damico and Norman Cantor, …
Book Review: The Nation's Diet: The Social Science Of Food Choice, Linda C. Tapsell
Book Review: The Nation's Diet: The Social Science Of Food Choice, Linda C. Tapsell
Faculty of Health and Behavioural Sciences - Papers (Archive)
No abstract provided.
A New Early Devonian Operculate Tetracoral Genus From Eastern Australia, Anthony J. Wright
A New Early Devonian Operculate Tetracoral Genus From Eastern Australia, Anthony J. Wright
Faculty of Science, Medicine and Health - Papers: part A
Chakeola, a solitary latest Lochkovian to late Emsian (Early Devonian) new genus of the operculate tetracoral family Calceolidae, is characterised by: opercular septa that are present from adjacent to the median septum to the lateral extremities of the operculum; a lack of rootlets on the counter face of the corallite; a weak counter opercular face in mature specimens; and eccentric growth increments on the external opercular surface. The type species, C. johnsoni new species, is described from latest Lochkovian pesavis Zone), early Pragian (suleatus Zone) and late Pragian (pireneae Zone) strata of the Garra Formation, Wellington, NSW. C. whitehollsei new …
Sweating In Extreme Environments: Heat Loss, Heat Adaptation, Body-Fluid Distribution And Thermal Strain, Nigel Taylor
Sweating In Extreme Environments: Heat Loss, Heat Adaptation, Body-Fluid Distribution And Thermal Strain, Nigel Taylor
Faculty of Science, Medicine and Health - Papers: part A
Evaporation is an extremely powerful cooling process. When totally evaporated from the skin surface, sweat can remove body heat at a rate of 2.43 kJ«g"\ Humans therefore control sweat secretion to maintain thermal homeostasis. Since humans are capable of extended sweat rates approximating 30 g'min"1, it is possible to remove heat at rates -73 kJ-min"1. Assuming a 20% efficiency, such heat loss will support a normothermic total energy use of 1520W. This equates with an external work rate of 304W, eliciting an oxygen consumption >3.5 /«min"1. However, while man has a great capacity to both work and dissipate metabolically-derived heat, …
Thermal Sweating Following Spinal Cord Injury, Bradley Wilsmore, J D. Cotter, Andrea Macdonald, A. Zeyl, Guy M. Bashford, Nigel Taylor
Thermal Sweating Following Spinal Cord Injury, Bradley Wilsmore, J D. Cotter, Andrea Macdonald, A. Zeyl, Guy M. Bashford, Nigel Taylor
Faculty of Science, Medicine and Health - Papers: part A
A complete spinal cord injury prevents neural connections between distal sites and higher neural structures. While it has previously been demonstrated that an isolated spinal cord can elicit non-thermal sweating independently of the hypothalamus [1-3], the ability of the spinal cord to control sweating in response to thermal stimuli, without hypothalamic influence, is less clear. The majority of early literature indicates that thermal sweating is absent below a complete spinal cord injury (SCI) [4-7], yet several studies suggest otherwise [8-11]. However, invasive measures have failed to observe altered sympathetic activity when thermally stimulating insensate regions [12], which is inconsistent with …
Coral Microatolls From The Central Pacific Record Late Holocene El Nino, Colin Woodroffe, Michael K. Gagan
Coral Microatolls From The Central Pacific Record Late Holocene El Nino, Colin Woodroffe, Michael K. Gagan
Faculty of Science, Medicine and Health - Papers: part A
Microatolls are discoid corals that have grown laterally because vertical growth is constrained by exposure at lowest tides. We demonstrate that a modern reef-flat Porites microatoll from Christmas (Kiritimati) Island preserves an oxygen isotope record of substantial sea surface temperature variations related to El Niño-Southern Oscillation (ENSO). We also show that a late Holocene fossil microatoll from the centre of the island contains interannual oxygen isotope variations over an approximate 20-year period. Three pronounced negative isotope anomalies attributed to warm El Niño events are superimposed on an annual cycle. El Niño events similar to those seen in recent decades appear …
Clusterin Protein Diversity In The Primate Eye, Paul Wong, Bruce A. Pfeffer, Steven L. Bernstein, Michelle L. Chambers, Gerald J. Chader, Zahra F. Zakeri, Yan-Q Wu, Mark Wilson, S Patricia Becerra
Clusterin Protein Diversity In The Primate Eye, Paul Wong, Bruce A. Pfeffer, Steven L. Bernstein, Michelle L. Chambers, Gerald J. Chader, Zahra F. Zakeri, Yan-Q Wu, Mark Wilson, S Patricia Becerra
Faculty of Science, Medicine and Health - Papers: part A
Purpose: The clusterin gene encodes a multi-functional protein that has been identified in different tissues, including a number of different eye tissues, primarily in the mouse and to a much lesser extent in humans. Clusterin has been implicated in a number of cellular processes such as lipid transport, membrane integrity, apoptosis, and neurodegeneration, all of which could be important to the biology of the eye. In the current communication, we provide data that confirms the expression of clusterin in a number of different human eye tissues and establishes the expression profile of this gene in monkey derived eye tissues. The …
Ventilatory Accommodation Of Oxygen Demand And Respiratory Water Loss In Kangaroos From Mesic And Arid Environments, The Eastern Grey Kangaroo (Macropus Giganteus) And The Red Kangaroo (Macropus Rufus), Terence J. Dawson, Adam J. Munn, Cyntina E. Blaney, Andrew Krockenberger, Shane K. Maloney
Ventilatory Accommodation Of Oxygen Demand And Respiratory Water Loss In Kangaroos From Mesic And Arid Environments, The Eastern Grey Kangaroo (Macropus Giganteus) And The Red Kangaroo (Macropus Rufus), Terence J. Dawson, Adam J. Munn, Cyntina E. Blaney, Andrew Krockenberger, Shane K. Maloney
Faculty of Science - Papers (Archive)
We studied ventilation in kangaroos from mesic and arid environments, the eastern grey kangaroo (Macropus giganteus) and the red kangaroo (Macropus rufus), respectively, within the range of ambient temperatures (T-a) from -5 degrees to 45 degrees C. At thermoneutral temperatures (T-a = 25 degrees C), there were no differences between the species in respiratory frequency, tidal volume, total ventilation, or oxygen extraction. The ventilatory patterns of the kangaroos were markedly different from those predicted from the allometric equation derived for placentals. The kangaroos had low respiratory frequencies and higher tidal volumes, even when adjustment was made for their lower basal …
Deconstructing The Interaction Of Glu-Plasminogen With Its Receptor A-Enolase, N M. Andronicos, M S. Baker, M Lackmann, M Ranson
Deconstructing The Interaction Of Glu-Plasminogen With Its Receptor A-Enolase, N M. Andronicos, M S. Baker, M Lackmann, M Ranson
Faculty of Science - Papers (Archive)
No abstract provided.