17 resultados para Bricker, John W. (John William), 1893-1986.

em Deakin Research Online - Australia


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Attempts to produce adequate and long-lived subject indexes of information systems and computer science research have failed. In this paper we report preliminary results of an approach by which the terms expressed in research literature, such as that in information systems, can be systematically and meaningfully categorised. The approach is based on Roman Ingarden’s ontological theory of the written scholarly work: its nature, existence, and categorisation, and builds on Grounded Theory: a rigorous grounded qualitative research method addressing how meaningful categories can be analysed from text and related to each other. We have found that the key guiding unit of analysis operationalising Ingarden’s approach through Grounded Theory is the “reported research activity” and that the process is possible although labour intensive. On the basis of using the approach, we propose simple steps to improve the quality of keywords in reported research.

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Purpose – The focus of this paper is on the benefits that may eventuate through new mechanisms of production and distribution. As we enter the twenty-first century, the nature of the book and the structure of the industry which produces it are undergoing radical transformation, as developments in information technology offer new mechanisms for production and distribution. Most of the discussion of these changes is conducted from the perspective of what has been lost through these changes. Design/methodology/approach – This paper reviews the history of the book from the perspective of the disruptive effects of the changes in production technology and impact on the roles involved in production, distribution and reading of books. Darnton’s Communication Circuit is updated to predict future limiting factors and opportunities for participation. Findings – The evolution of the book has seen successive categories of workers involved in book production supplanted by the adoption of new technology. The updated Darnton’s model suggests that the roles involved in the production and distribution of the book will, however, be supplanted in favour of authors and readers of the book in the future. Social implications – The predicted changes will alter the roles of authors and book users. Originality/value – This paper suggests a novel approach to the discussion of the future of book publication and suggests future developments.

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Rupert Kathner (Ben Mendelsohn) always had stars in his eyes. He wanted to make movies and wanted the whole world to see them. It was at a screening of a pilot for one of his films to studio execs that he met a woman who would change his life. Alma Brooks (Victoria Hill) was working as a secretary at the studio when she met Rupe. When they paired up, a revolutionary filmmaking duo was born. Despite opposition from the Police Commissioner himself, they produced the first true crime movie ever made in Australia: 'The Pyjama Girl Murder Case'. In the end, even the Commissioner gave it his blessing and it was an instant success. In fact, every film they ever made was shown on the big screen. Over the course of 15 years together, these mavericks managed to make a remarkable nineteen movies

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Procellariiformes (albatrosses and petrels) must accumulate substantial energy reserves to sustain them while incubating their single egg. They then produce a chick that is often more than 130% of their own body mass. Thus, despite the variable nature of resource availability in the marine environment, successful reproduction requires a considerable increase in foraging rates. Birds that are better foragers are, therefore, likely to be better parents. As surrogates of foraging ability, we assessed two parental traits that are separated temporally over the breeding season, body condition during incubation and provisioning performance, in Gould’s petrel (Pterodroma leucoptera). Although parental condition did not influence hatching success, we found significant positive correlations between the average body condition of a breeding pair and both the growth rate of chicks (g day–1) and the body condition of chicks at peak mass. Provisioning rate also correlated positively with chick condition. Chick condition was positively correlated with haemoglobin concentration [Hb] at peak mass, which was positively correlated with [Hb] at fledging. Because the probability of survival after fledging may be influenced by chick body condition and [Hb], the ability of parents to acquire additional resources for breeding is likely to be an important determinant of reproductive success.

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The thesis argues that the "top down" approach which has been a recent feature of vocational provision in Australia has largely excluded vocational teachers and students from being involved in curriculum and policy formation. The emphasis of the current system on "training" to meet economic ends has resulted in a demise of "education" in the vocational arena. Such policy fails to recognise the complexities of learning and work in a rapidly changing society.

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A series of new metal (M) dithiolene complexes bearing terthiophene (3, 12, M = Ni; 4, M = Pd; 5, 6, M = Au) and 2,5-bis(para-methoxyphenyl)thiophene units (14, M = Ni; 15, 16, M = Au; 17, M = Pd) have been synthesised in 38–99% yield. The electrochemical properties of the materials have been characterised by cyclic voltammetry and UV-vis spectroelectrochemistry. The nickel complexes possess low oxidation potentials (−0.12 to −0.25 V vs Ag/AgCl) due to the electron-rich dithiolene centres and all complexes display ligand-based redox activity. The terthiophene derivatives have been polymerised by electrochemical oxidation to give stable films with, in the case of poly(3), broad absorption characteristics. Charge transfer materials have been isolated from 14 and 16 with conductivities in the range 9 × 10−6 to 7 × 10−8 S cm−1.

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A novel polythienylenevinylene (PTV) and two new polythiophenes (PTs), featuring fused tetrathiafulvalene (TTF) units, have been prepared and characterized by ultraviolet−visible (UV−vis) and electron paramagnetic resonance (EPR) spectroelectrochemistry. All polymers undergo two sequential, reversible oxidation processes in solution. Structures in which the TTF species is directly linked to the polymer backbone (2 and 4) display redox behavior which is dictated by the fulvalene system. Once the TTF is spatially removed from the polymer chain by a nonconjugated link (polymer 3), the electroactivity of both TTF and polythiophene moieties can be detected. Computational studies confirm the delocalization of charge over both electroactive centers (TTF and PT) and the existence of a triplet dication intermediate. PTV 4 has a low band gap (1.44 eV), is soluble in common organic solvents, and is stable under ambient conditions. Organic solar cells of polymer 4:[6,6]-phenyl-C61 butyric acid methyl ester (PCBM) have been fabricated. Under illumination, a photovoltaic effect is observed with a power conversion efficiency of 0.13% under AM1.5 solar simulated light. The onset of photocurrent at 850 nm is consistent with the onset of the π−π absorption band of the polymer. Remarkably, UV−vis spectroelectrochemistry of polymer 4 reveals that the conjugated polymer chain remains unchanged during the oxidation of the polymer.

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