Accounting education and the corporate reporting function : inaugural lecture delivered at Rhodes University

Inaugural lecture delivered at Rhodes UniversityRhodes University Libraries (Digitisation

Mixed-Mode Sensitivity Analysis of a Combined Differential and Common Mode Active Receiving Antenna Providing Near-Hemispherical Field-of-View Coverage

A theoretical framework for a mixed differential and common mode sensitivity analysis of active receiving antennas is presented, which includes the derivation of a novel set of noise parameters for dual-mode balanced amplifiers. The analysis is applied to an example of a mixed-mode active wire antenna design, consisting of an integrated monopole and dipole structure. Results of numerical simulations and experimental measurements are presented which show that, for a single-polarized design, the judicious use of both differential and common modes enables the field-of-view coverage to be extended over the entire hemisphere with a variation in receiving sensitivity of less than 3 dB in the E-plane

Quad-Mode Antenna for Wide-Scan Sparse Arrays

A conical quad-mode antenna excited through four orthogonal transverse electromagnetic modes is presented. The radiation characteristics of each mode are validated through measurements, illustrating the complimentary nature of the four far-field radiation patterns through which near-hemispherical field-of-view coverage can be achieved

Ou Testament Teologie en/of 'Religionsgeschichte'?

Old Testament Theology and/or "Religionsgeschichte"This article provides an overview of the latest developments in the area of Old Testament Theology and the relationship thereof to "Religionsgeschichte". The book by Rainer Albertz has played an important role in the debate on the relationship between these disciplines. Attention is given to this debate and particularly to the reaction to the Albertz�s viewpoint as stated at the International Meeting Society of Biblical Literature, Louvain, 7-10 August 1994

Die twaalfde kongres van die �International Organization for the Study of the Old Testament� (IOSOT), 24 tot 29 Augustus 1986 in Jerusalem

The XII congress of the "International Organization for the Study of the Old Testament", 24�29 August, Jerusalem The XII congress of the lOSOT, attended by 436 participants from all over the world, took place in Jerusalem under the auspices of the Hebrew University, The presence of a great number of Israeli scholars had a definite influence on the proceedings of the congress. South Africa was also well represented. The congress reflected the multiplicity of approaches in current Old Testament research and no new trends came to the fore at the congress. The sociological approach was implemented by a considerable number of scholars. In general it can be said that the text immanent approach gained ground on the historicalcritical method

Sudden and unexpected childhood deaths investigated at the Pretoria Medico-Legal Laboratory, South Africa, 2007 - 2011

Background. Sudden and unexpected death is well known to occur in infants, and although sudden deaths are less frequent after the first birthday, they still account for a significant proportion of childhood deaths. In 2009, 1.9% of the total deaths in the USA were childhood deaths. In South Africa (SA) this proportion was much higher at 11.85%. According to the law, sudden and unexpected deaths are generally investigated as unnatural deaths. Establishing an exact underlying anatomical cause of death will depend on available resources and can be difficult in a substantial proportion of cases.Methods. A retrospective descriptive case audit was conducted at the Pretoria Medico-Legal Laboratory (PMLL), SA, from 1 January 2007 through to 31 December 2011. All children aged 1 - 18 years who died suddenly and unexpectedly were included.Results. Ninety-eight cases were identified, which constituted nearly 1% of total admissions to the PMLL. The majority of the deaths were of children aged 1 - 5 years, and the male/female ratio was 1.04:1. In the largest proportion of cases (n=28, 28.6%), the medicolegal investigation, including autopsy and ancillary investigations, did not establish an underlying anatomical cause of death. In the cases where a cause of death was established, pneumonia was the most common diagnosis (n=22, 22.4%).Conclusions. The fact that the cause of the largest proportion of deaths could not be ascertained emphasises the need for consideration of additional investigative techniques, such as molecular/genetic screening, which have provided an underlying cause of death in a significant number of cases in other countries. There is a lack of published research on the causes and incidence of sudden unexpected deaths in children in SA, and further research in this area is needed

Frail aged persons residing in South African homes for the aged who require hospitalisation Part I. Urban areas

The numbers and characteristics of white residents identified by medical and nursing staff as requiring more staff time and/or expertise and/or medical equipment than is available in homes for the aged were assessed. Only 27 out of 2447 (1 1%) extremely infirm aged persons resident in 93 homes for the aged would, in the opinion of institutional staff, benefit by admission to a long-term care hospital catering for chronically ill. The conditions affecting these residents are described and recommendations relating to their management made

Thermal simulation of magnetization reversals for size-distributed assemblies of core-shell exchange biased nanoparticles

A temperature dependent coherent magnetization reversal model is proposed for size-distributed assemblies of ferromagnetic nanoparticles and ferromagnetic-antiferromagnetic core-shell nanoparticles. The nanoparticles are assumed to be of uniaxial anisotropy and all aligned along their easy axis. The thermal dependence is included by considering thermal fluctuations, implemented via the N\'eel-Arrhenius theory. Thermal and angular dependence of magnetization reversal loops, coercive field and exchange-bias field are obtained, showing that F-AF size-distributed exchange-coupled nanoparticles exhibit temperature-dependent asymmetric magnetization reversal. Also, non-monotonic evolutions of He and Hc with T are demonstrated. The angular dependence of Hc with T exhibits a complex behavior, with the presence of an apex, whose position and amplitude are strongly T dependent. The angular dependence of He with T exhibits complex behaviors, which depends on the AF anisotropy and exchange coupling. The resulting angular behavior demonstrates the key role of the size distribution and temperature in the magnetic response of nanoparticles.Comment: Revised arguments in Introduction and last sectio

The value of medical student hepatitis B immunisation as part of clinical skills training in the Clinical Skills Unit of the University of the Free State

Background: It is compulsory for medical students of the University of the Free State to be immunised against hepatitis B before they have contact with clinical patients. Previously, the students were vaccinated on campus at the student health services. With the implementation of Curriculum 2000 (the revised MBChB programme), hepatitis B immunisation, as an example of an invasive procedure, was incorporated into the medical students’ clinical skills training programme. The aim of this study was to assess the students’ perceptions regarding immunising their peers, being immunised by their peers and the educational value of this process.Methods: Medical students in Phase II of the MBChB programme were included in this observational descriptive study and participation was voluntary. Students immunised their peers with a hepatitis B vaccine in the upper arm under the supervision of medical and nursing personnel in the laboratory of the Skills Unit. After the final immunisation, the students completed an anonymous questionnaire.Results: Sixty-six students completed the questionnaire. Of these, 80% felt that that they had improved their understanding of the theory of immunisation. Some (8%) students preferred to have the immunisation performed at a clinic or by a doctor and 6% had a problem with being vaccinated by a peer. A few (3%) students found it unacceptable to be immunised in a mixed gender group, 5% thought they had suffered complications and 5% indicated that there had been inadequate supervision. Most of the students (98%) responded positively to immunising their peers and 95% felt that it was advantageous to receive the immunisation in the skills laboratory environment. Approximately half (56%) of the students wanted to receive additional important immunisations.Conclusion: Students were positive about practising immunisation techniques on their peers.SA Fam Pract 2005;47(4): 54-5