Author:Dzivhani, Mulalo; Soganile, N; Bembe, MncedisiDate:Sep 2016Long Term Evolution Advanced (LTE-Advanced) networks enables the use of new and wider radio frequency spectrum and other new technologies that facilitates high data rates and lower latency. Furthermore, LTE-Advanced adopt the use of small ...Read more
Author:Mkhize, NM; Sithole, Bishop B; Ntunka, MGDate:Jun 2015The present study indicates that solid acid catalysis of crude tall oil (CTO) over a WO3/ZrO2 catalyst is effective in converting the CTO fatty acids components into biodiesel in high yield. Preparation of the catalyst by an impregnation ...Read more
Author:Trollip, NGDate:Oct 1985The discovery of heterogeneous stereospecific catalyst systems by Ziegler and Natta in 1953 heralded the birth of a wide variety of new polymers such as highly crystalline 1953 (isotactic) polypropylene. Polypropylene (PP) is now firmly ...Read more