University of South Australia

About: University of South Australia is a education organization based out in Adelaide, South Australia, Australia. It is known for research contribution in the topics: Population & Poison control. The organization has 10086 authors who have published 32587 publications receiving 913683 citations. The organization is also known as: The University of South Australia & UniSA.

Making Groups Work: University Students' Perceptions

Abstract: Group work has many benefits for effective learning while also preparing graduates for future work. However, group work often elicits a mixed reception from participants. This paper explores the perceptions of final year university business students of their formal group work experiences. Information has been gathered through the collection of quantitative and qualitative data, and analysis reveals student experiences, both positive and negative. This paper also examines students’ perceptions about the extent to which their experiences enabled them to achieve the university’s graduate group work competencies. Finally, it reports students’ own suggestions for improving the problems they encountered thus providing strategies for addressing their concerns. university, groupwork, perceptions, free-riding, education

Maia X-ray fluorescence imaging: Capturing detail in complex natural samples

Abstract: Motivated by the challenge of capturing complex hierarchical chemical detail in natural material from a wide range of applications, the Maia detector array and integrated realtime processor have been developed to acquire X-ray fluorescence images using X-ray Fluorescence Microscopy (XFM). Maia has been deployed initially at the XFM beamline at the Australian Synchrotron and more recently, demonstrating improvements in energy resolution, at the P06 beamline at Petra III in Germany. Maia captures fine detail in element images beyond 100 M pixels. It combines a large solid-angle annular energy-dispersive 384 detector array, stage encoder and flux counter inputs and dedicated FPGA-based real-time event processor with embedded spectral deconvolution. This enables high definition imaging and enhanced trace element sensitivity to capture complex trace element textures and place them in a detailed spatial context. Maia hardware and software methods provide per pixel correction for dwell, beam flux variation, dead-time and pileup, as well as off-line parallel processing for enhanced throughput. Methods have been developed for real-time display of deconvoluted SXRF element images, depth mapping of rare particles and the acquisition of 3D datasets for fluorescence tomography and XANES imaging using a spectral deconvolution method that tracks beam energy variation.