Author:Phasha, MJ; Bolokang, Amogelang S; Kebede, Mesfin ADate:Feb 2021Density-functional theory (DFT) based first-principles calculations were used to investigate the crystal structure, binding energy, phase stability and elastic properties of body-centered cubic (BCC) W-based binary solid solutions. The effect ...Read more
Author:Kiarii, EM; Govender, Krishna; Mamo, MA; Govender, PPDate:Oct 2018The world reliance on non-renewable and depleted energy resources has made the search for renewable and sustainable energy more significant. However, a theoretical study is necessary to give a more elaborate investigation of the electronic ...Read more
Author:Smith, Marie EDate:Oct 2022Presentation on the environmental overview, Earth Observation Product Development and National and regional initiatives supporting fisheries-National Oceans and Coastal Information Management System (OCIMS)-Marine and Coastal Operations for ...Read more
Author:Sprovieri, F; Pirrone, N; Bencardino, M; D'Amore, F; Angot, H; Walters, Chavon RDate:Feb 2017The atmospheric deposition of mercury (Hg) occurs via several mechanisms, including dry and wet scavenging by precipitation events. In an effort to understand the atmospheric cycling and seasonal depositional characteristics of Hg, wet ...Read more
Author:Molaba, TP; Chapple, Stephen A; John, Maya JDate:Jan 2018In this study, flax composites were prepared from flax fabric and phenolic resin. Chemical treatments were imparted to the fabric to improve adhesion between the fabric and the phenolic matrix. Diammonium phosphate was applied to improve the ...Read more
Author:Mwakikunga, Bonex W; Mudau, AE; Brink, N; Willers, Cornelius JDate:Sep 2011We observe the “invisible-to-the- naked-eye” flames of tungsten and vanadium ethoxide aerosols when ignited at moderate laser excitation (0 < Plaser< 70 W) by employing an IR thermo-graphic camera. No emission is seen in the visible range ...Read more
Author:Omolo, JJ; Maharaj, V; Naidoo, Dashnie; Malebo, HM; Mtullu, S; Lyaruu, HVM; Koning, CBDate:2014Phytochemical investigation of the stem and bark of Steganotaenia araliacea led to the isolation of two flavonoids. The structures of these compounds were identified as apigenin 4'-glucoside 1 and sophoraflavone B 2 using spectroscopic analysis ...Read more
Author:Kumar, R; Anandjiwala, RDDate:May 2012Biocomposites were successfully prepared by the reinforcement of soy protein isolate (SPI) with different weight fractions of woven flax fabric. The flax-fabric-reinforced SPI-based composites were then arylated with 2,2-diphenyl-2-hydroxyethanoic ...Read more
Author:Focke, WW; Muiambo, H; Mhike, W; Kruger, HJ; Ofosu, ODate:Feb 2014The utility of expandable graphite as a flame retardant for PVC, plasticized with 60 phr of a phosphate ester, was investigated. Cone calorimeter results, at a radiant flux of 35 kW m 2, revealed that adding only 5 wt.% expandable graphite ...Read more
Author:Barker, DDate:Dec 2015It’s a story of following one’s dream. Belonging to Werner Heiml, ZU-SFP originated from Germany where it was used as a basic trainer in the Luftwaffe. The P149D was originally developed and manufactured by Piaggio & Co, Italy, in 1953 and ...Read more
Author:Mittal, H; Jindal, R; Kaith, BS; Maity, Arjun; Ray, SSDate:Jan 2015This study reports the microwave-assisted synthesis of gum-ghatti (Gg)-grafted poly(acrylamide-co-methacrylic acid) (AAm-co-MAA) hydrogels for the development of biodegradable flocculants and adsorbents. The synthesized hydrogels were ...Read more
Author:Geldenhuys, CJDate:Feb 1993An annotated list of species recorded in the forests of the southern Cape is provided. The flora comprises 470 species which belong to 280 genera and 106 families (50 monogeneric families, 32 monospecific families and 193 monospecific genera). ...Read more
Author:Arunachellan, IC; Sypu, VS; Kera, NH; Pillay, K; Maity, ArjunDate:Aug 2021In the present work, raw waste material obtained from polluting dried tree fibres (raw TF) as a source of natural carbon was used for the removal of contaminating copper ions in water. Through two sequential steps of oxidation, carbonaceous ...Read more
Author:Engelbrecht, AD; Everson, RC; Neomagus, HWPJ; North, Brian CDate:May 2010An investigation was undertaken to ascertain the suitability of four selected low grade, South African coals for gasification in a bubbling fluidized bed for production of synthesis gas and for the development of integrated gasification ...Read more
Author:Makhado, R; Bologo, T; Knight, RDate:May 2006This paper presents an overview of a report on an investigation on the use of cheap wood ash as an effective means of removing excess fluoride from drinking water used by an impoverished rural community of the Didi village in Limpopo province.Read more
Author:Palaniyandy, Nithyadharseni; Nkosi, Funeka P; Raju, Kumar; Ozoemena, KIDate:Apr 2018A facile synthesis of fluorinated Mn3O4 nano-spheres (F-Mn3O4) from low-cost electrolytic manganese dioxide (EMD) at different temperatures and times has been reported. While the as-prepared materials are micron-sized (>200 nm) and the ...Read more
Author:Cele, Zamani ED; Somboro, AM; Amoako, DG; Ndlandla, Lindokuhle F; Balogun, Mohammed ODate:Nov 2020Chitosan has become an established platform biopolymer with applications in biomedical engineering, nanomedicine, and the development of new materials with improved solubility, antimicrobial activity, and low toxicity. In this study, a series ...Read more