Author:Van Aardt, JAN; Wynne, RHDate:Jan 2007Three southern USA forestry species, loblolly pine (Pinus taeda), Virginia pine (Pinus virginiana), and shortleaf pine (Pinus echinata), were previously shown to be spectrally separable (83% accuracy) using data from a full-range spectro-radiometer ...Read more
Author:Robinson, TP; Harris, RS; Hopkins, JS; Williams, BGDate:Jun 2002In many African countries where both Government resources and donor aid for the control of tsetse-transmitted trypanosomiasis are declining, there is an increasing need to identify areas where intervention is most likely to be technically, ...Read more
Author:Letcher, TM; Govender, PUDate:Dec 1997The excess molar volumes V-m(E) {x(CH3OH or CH3CH2OH or CH3(CH2)(2)OH or CH3CH(OH)CH3 + (1 - x)(CH3(CH2)(2)}(2)O or CH3C(CH3)(2)OCH3 or CH3CH2C(CH3)(2)OCH3} have been calculated from measured values of density over the whole composition range ...Read more
Author:Bell, Lebohang T; Hasnaoui, A; Ait-Ameur, K; Ngcobo, SandileDate:Sep 2017In this paper, we experimentally demonstrate selective excitation of highradial-order Laguerre-Gaussian (LGp or LGp;0) modes with radial-order, p = 1 - 4 and azimuthal-order, l = 0, using a diode-pump solid-state laser (DPSSL) that is digitally ...Read more
Author:Loveday, Philip WDate:Jan 2006Piezoelectric patch actuators are employed for monitoring the health of structures and for performing active control of vibration. When the structure is long, slender and has constant cross-section, such as a pipe, rail or rod, it can be ...Read more
Author:Setshedi, Katlego Z; Bhaumik, M; Songwane, S; nyango, MS; Maity, ArjunDate:2013Exfoliated polypyrrole-organically modified montmorillonite clay nanocomposite (PPy OMMT NC), was prepared as a potential adsorbent, via in situ polymerization of pyrrole monomer for adsorption of toxic Cr(VI) from aqueous solution. The WAXD ...Read more
Author:Nel, JL; Reyers, B; Roux, DJ; Cowling, RMDate:Aug 2009There has been very little consideration of freshwater ecosystems in identifying and designing protected areas. Recent studies suggest that protected areas hold enormous potential to conserve freshwater biodiversity if augmented with appropriate ...Read more
Author:Hadley, TD; North, Brian CDate:2005The CSIR has had a strong drive in fluidised bed technology for over two decades. During this period collaboration has been fostered with numerous partners and clients. By being able to draw on their resources, skills, test and other facilities, ...Read more
Author:Hadley, TD; North, Brian CDate:Feb 2006The CSIR has had a strong drive in fluidised bed technology for over two decades. During this period collaboration has been fostered with numerous partners and clients. By being able to draw on their resources, skills, test and other facilities, ...Read more
Author:Mamushiane, Lusani; Lysko, Albert A; Mwangama, J; Kobo, Hlabishi I; Otieno, HODate:Aug 2023The adoption of 5G technology in Africa has been increasing steadily, with initial emphasis on non-standalone (NSA) architecture to leverage existing 4G investments and accelerate return on investment. The uptake of standalone (SA) 5G has ...Read more
Author:Mitchell, MF; Semmelink, CJ; McQueen, ALDate:Jun 1977For some time road engineers have been concerned that the variability inherent in road construction materials and their sampling and testing has not been logically and consistently catered for in the road construction process or in construction ...Read more
Author:Uys, DC; Duvenhage, ADate:Sep 2009Most operational command and control systems use a tactical data link to communicate. The need to integrate simulated systems with operational systems and other simulated systems resulted in the utilization of tactical data link for the ...Read more
Author:Dlodlo, N; Beyers, RNDate:2009The article reports on an effort to address the issue of inequality in girls’ and women’s access to science, engineering and technology (SET) education and careers through raising an awareness on SET among school girls in South Africa. Secondary ...Read more
Author:Dlodlo, N; Beyers, RNDate:Jan 2009This paper reports on an effort to address the issue of inequality in girls' and women's access to science, engineering and technology (SET) education and careers through raising awareness on SET among secondary school girls in South Africa. ...Read more
Author:Rey-Moreno, C; Roro, Z; Tucker, WD; Jay Siya, MJ; Bidwell, NJ; Simo-Reigadas, JDate:Jan 2013The computing for development community knows that technology interventions involve consideration of social, technical and environmental factors. Research into WiFi solutions has fallen off as ubiquitous mobile solutions penetrate even the ...Read more
Author:Kumirai, Tichaona; Dirker, J; Meyer, JDate:Mar 2019Due to climate change and rising global temperatures, energy demand associated with commercial and office building cooling, is projected to increase. Passive-cooling, based on phase change materials, can assist to moderate this increase, ...Read more
Author:Sheik, Muhammed; Klein, Peter; Segakweng, TshiamoDate:Nov 2021Solar energy supply does not always match demand and it is therefore necessary to investigate efficient ways of storing thermal energy. Sorption based thermochemical heat storage provides high energy densities as well as an exceptional advantage ...Read more
Author:Nyadongo, ST; Olakanmi, EO; Pityana, Sisa LDate:Sep 2021Laser cladded (LC) tribaloy (T-800) coating has been used for surface modification of engineering components in high wear and elevated temperature service environments. However, the cracking phenomenon often observed in LC T-800 coating is ...Read more