Author:Maistry, N; Van Coller, J; Scutz, RADate:Sep 2015It is essential to detect corona discharge as a symptom of insulation breakdown in high voltage (HV) applications. However accuracy of such measurement is often degraded due to the existence of solar background noise in the signal. Fraunhofer ...Read more
Author:Wright, CYDate:Sep 2010The detrimental effects of excess personal solar ultraviolet radiation (UVR) exposure include wrinkles, immunosuppression and skin cancer. Approximately 1 000 South Africans die each year from melanoma skin cancer and 30% of all histologica ...Read more
Author:Wright, C; Albers, PDate:Sep 2011While some sun exposure induces a sense of well-being and synthesis of vitamin D excess sun exposure has been associated with skin cancer, immune suppression and ocular cataracts. In South Africa, approximately 30% of all histologically-diagnosed ...Read more