Author:Du Plessis, A; Strydom, CA; Uys, H; Botha, L; Roberts, T; Dlamini, THDate:31 Aug 2010Femtosecond laser control of chemical reactions is made possible through the use of pulse-shaping techniques coupled to a learning algorithm feedback loop – teaching the laser pulse to control the chemical reaction. This can result in ...Read more
Author:Botha, PB; Semmelink, CJ; Raubenheimer, JDate:Oct 2005"Detrimental carbonation" manifests itself by the loss of cementitious stabilization and the forming of loose powdery layers which lead to debonding of the surfacing. Up till now this was seen to be caused by poor curing techniques by contractors ...Read more