Author:Durrheim, RJ; Riemer, KLDate:Apr 2012Gold was discovered near present-day Johannesburg in 1886. Mining-induced seismicity was first encountered in the early 1900s when extensive stopes reached depths of several hundred meters. The State appointed committees in 1908, 1915, 1924, ...Read more
Author:Van den Bergh, F; Wessels, Konrad J; Miteff, S; Van Zyl, TL; Gazendam, AD; Bachoo, AKDate:Aug 2012Course resolution earth observation satellites offer large data sets with daily observations at global scales. These data sets represent a rich resource that, because of the high acquisition rate, allows the application of time-series analysis ...Read more
Author:Sharma Grover, A; Plauche, M; Barnard, E; Kuun, CDate:Apr 2009This paper presents the work in the design of a SDS for the provision of health information to caregivers of HIV positive children. The authors specifically address the frequently debated question of input modality in speech systems; touchtone ...Read more
Author:Sharma Grover, A; Plauche, M; Barnard, EDate:Apr 2009This paper presents our work in the design of a SDS for the provision of health information to caregivers of HIV positive children. We specifically address the frequently debated question of input modality in speech systems; touchtone versus ...Read more
Author:Van den Berg, N; Mbobela, P; Pillay, P; London, G; Morris, L; Maharaj, V; Khati, MDate:Feb 2011A natural compound isolated from extracts of an indigenous plant in the Eastern Cape, South Africa, indicates neutralisation activity against HIV-1 pseudoviruses. This natural compound can potentially be used in a microbicide as an alternative ...Read more
Author:Mufhandu, Hazel T; Alexandre, Kabamba B; Gray, ES; Morris, L; Khati, MDate:Sep 2012Globally, HIV-1 subtype C is the most prevalent subtype, yet most antiretroviral drugs are developed against subtype B. UCLA1 RNA aptamer, which we previously showed neutralizes HIV-1 subtype C Env-pseudotyped viruses was examined for ...Read more
Author:Rangel Lopes de Campos, W; Chirwa, N; London, G; Rotherham, LS; Morris, L; Mayosi, BM; Khati, MDate:Oct 2014HIV-associated cardiomyopathy (HIVCM) is of clinical concern in developing countries because of a high HIV-1 prevalence, especially subtype C, and limited access to highly active antiretroviral therapy (HAART). For these reasons, we investigated ...Read more
Author:Malinga, Andries L; Le Roux, WHDate:Jul 2009The performance of three Run-Time Infrastructures (RTI) is measured. Two open source implementations (Portico version 0.8 and CERTI version 3.3.0) and one commercial implementation (MÄK version 3.2) have been subjected to a specific test under ...Read more
Author:Grover, AS; Van Huyssteen, GB; Pretorius, MWDate:May 2010Human Language technologies (HLT) have been identified as a priority area by South African government to enable its eleven official languages technologically. We present the results of a technology audit for the South African HLT landscape, ...Read more
Author:Govender, Avashna; De Wet, Febe; Tapamo, Jules-RaymondDate:Sep 2015Hidden Markov Model (HMM)-based synthesis in combination with speaker adaptation has proven to be an approach that is well-suited for child speech synthesis. This paper describes the development and evaluation of different HMM-based child ...Read more
Author:Govender, Avashna; Nouhou, B; De Wet, FebeDate:Nov 2015Acquiring large amounts of child speech data is a particularly difficult task. One could therefore consider the possibility to add existing corpora of child speech data to the severely limited resources that are available for developing child ...Read more
Author:Sefara, Tshephisho J; Mokgonyane, TB; Manamela, MJ; Modipa, TIDate:Aug 2019Text-to-speech (TTS) synthesis systems are of benefit towards learning new or foreign languages. These systems are currently available for various major languages but not available for low-resourced languages. Scarcity of these systems may ...Read more
Author:Strauss, Hencharl J; Koen, W; Bollig, C; Esser, MJD; Jacobs, Cobus; Collett, OJP; Preussler, DRDate:Jul 2011A single-frequency single-pass amplifier based on Ho:YLF and Ho:LuLF in a scalable slab architecture delivering up to 210 mJ at 2064 nm is demonstrated. The amplifier was end-pumped by a 1890 nm Tm:YLF slab laser and was seeded with a 69 mJ ...Read more
Author:Botha, LR; Bollig, C; Esser, MJD; Campbell, RN; Jacobs, Cobus; Preussler, DRDate:Oct 2009A Ho:YLF laser pumped HBr molecular laser was developed that produced up to 2.5mJ of energy in the 4 micron wavelength region. The Ho:YLF laser was fiber pumped using a commercial Tm:fibre laser. The Ho:YLF laser was operated in a single ...Read more
Author:Estuarine and Coastal Research Unit, ECRUDate:Jun 1981The Holgat is not an estuary in the true sense, due to a combination of factors. Although the catchment has an area of 1500 km2, the Holgat last flowed in 1925. The main reason for this appears to be the low rainfall in the catchment and the ...Read more
Author:Van Zyl, Louwrens HDate:Sep 2006Flutter clearance is usually regarded as a two step process: flutter analysis (including ground vibration testing, aerodynamic analysis and equation of motion solution), and flutter flight testing. The problem with this approach is that there ...Read more
Author:Young, TN; Busgeeth, KDate:Jul 2009Home-based care (HBC), to promote quality-of-life and limit hospital care, is used in many countries, especially where public health services are overburdened. This systematic review assessed the effects of HBC on morbidity and mortality in ...Read more
Author:Matsebe, GDate:Sep 2009The housing plan known as “Breaking New Ground” (BNG) promotes the use of the house as an asset for wealth creation and empowerment (Dept of Housing, 2004). An assessment of social housing developments in South Africa indicated that some of ...Read more
Author:Naudé, BDate:Sep 2011Arguments for a Network Centric Approach are considered in view of threat characteristics and a multitude of role-players within an international arena. The challenges to attain effective Command and Control are discussed in the context of ...Read more