Author:Jezko, JDate:1974The atmosphere of an insert gas below its critical temperature has little effect on the vapor pressure of liquids and solids that may be associated with it, but on the raising the temperature of the gas a remarkable increase in the vapor ...Read more
Author:Johnson, M; Lück-Vogel, MelanieDate:May 2017The coastal zone occurs at the interface of three major natural systems. These systems include the atmosphere, the ocean and the land surface. Ocean waves are among the most important forces shaping the world¿s coastlines. They drive environmental ...Read more
Author:Johakimu, Jonas K; Sithole, Bishop BDate:Sep 2017This work summarises the findings of our research on the activation of woodchips using weak white liquor as an alternative mill self-generated alkaline solvent. The ultimate goal was to gain a better understanding on: the effectiveness of the ...Read more
Author:Abraham, E; Deepa, B; Pothan, LA; Jacob, M; Thomas, S; Cvelbar, U; Anandjiwala, RDate:Jun 2011The objective of this work was to develop a simple process to obtain an aqueous stable colloid suspension of cellulose nano fibrils from various lignocellulosic fibres. For the preliminary analysis we have studied three different fibres: ...Read more
Author:Malaka, MS; Naidoo, Kersch; Kabuba, JDate:Apr 2017Siphonochilus aethiopicus is an indigenous South African plant also known as African ginger. It has often been used for its medicinal properties to treat various ailments such as flu, colds, and so forth. The research aim of this study was ...Read more
Author:Bode, ML; Buddoo, SR; Minnaar, SH; Du Plessis, CADate:Aug 2008The successful extraction and isolation of the hydrolysed tetraether lipid calditoglycerocaldarchaeol (GDNT) from Sulfolobus etallicus, a key thermophilic bioleaching archaeon, is described. The archaeal biomasswas recovered directly from a ...Read more
Author:Malherbe, Johan; Iyahen, E; Engelbrecht, Francois A; Chamunorwa, M; Helmschrot, JDate:2018The Extreme Climate Index (ECI) is an objective, multi-hazard index capable of tracking changes in the frequency or magnitude of extreme weather events in Africa. The index is geared towards identifying broad-scale climate extremes that may ...Read more
Author:Du Preez, WB; Richter, PW; Hope, D; Kotze, CPDate:Jul 2006Eyeborn is an innovative hydroxyapatite orbital implant used to replace the eyeball of a patient who has lost an eye. A prosthetic eye cap is fitted in front of the Eyeborn implant, restoring the patient’s appearance and improving his quality ...Read more
Author:Meintjies, AADate:1967The sensing element of the methanometer is a small hydrogen flame which burns in air at the tip of a metal jet. The electrical resistance of the hydrogen flame is extremely high and is decreased when an organic substance burns in it. The ...Read more
Author:Baumbach, JDate:Oct 2006Camouflage technology exists since 1979 at the CSIR. Spectral measurements of natural phenomena (leaves, bark, soil, rocks) were very difficult during the early days, and spectral measurements were performed on samples brought back from the ...Read more
Author:Das, Sonali; Hunter, LawranceDate:Feb 2015The objectives of this study are to develop an understanding of fabric quality related issues and research gaps relevant to apparel manufacturing and merchandising within the South African context. The specific focus is on fabric objective ...Read more
Author:Katumba, G; Olumekor, L; Forbes, A; Wackelgard, EDate:Jul 2006The investigation and development of carbon-silica composites has been going on for some time. Different applications such as adsorbents, biosensors, templates and solar absorbers have emanated from these studies. The concept of using solar ...Read more
Author:Chelopo, MP; Kalombo, Lonji; Wesley-Smith, J; Grobler, A; Hayeshi, RDate:Mar 2017The combination of polymeric nanoparticles (NPs) as a core and lipid vesicles as a shell has emerged to be a robust and promising drug delivery strategy. This study explores the development of a novel combined delivery system where poly d,l, ...Read more
Author:Mtibe, Asanda; Mokhothu, Thabang H; John, Maya J; Mokhena, Teboho C; Mochane, MJDate:Aug 2018In recent years, there has been growing demand of utilizing nanomaterials to develop new sustainable products. Nanomaterials offer unique extraordinary properties such as high surface area, eco-friendliness and good mechanical and physical ...Read more
Author:Dada, M; Popoola, P; Mathe, Ntombizodwa R; Pityana, Sisa L; Adeosun, A; Lengopeng, ThaboDate:Feb 2020Laser additive manufacturing is a direct energy deposition process which manufactures components from 3D model data in progressive layers until a whole part is built as opposed subtractive manufacturing. However, during the procedure, the ...Read more
Author:Mbanjwa, M; Chen, H; Fourie, L; Ngwenya, S; Land, KDate:Jun 2014Multiplexed or parallelised droplet microfluidic systems allow for increased throughput in the production of emulsions and microparticles, while maintaining a small footprint and utilising minimal ancillary equipment. The current paper ...Read more
Author:Mokoena, Teboho P; Hillie, Kenneth T; Swart, HC; Leshabane, N; Tshilongo, J; Motaung, DEDate:Oct 2020We report on the effect of the annealing temperature ramping rate on the gas sensing performance towards n-propanol gas and the luminescence properties using p-type NiO gas sensors prepared by the hydrothermal method and annealed at various ...Read more
Author:Madigoe, Mandy N; Modiba, Rosinah; Lesley, Cornish, LDate:Nov 2022The aim of this study was to produce a titanium-based alloy with mainly ß-phase and reduced Young’s modulus for biomedical applications. Alloys Ti-Nbx-Ta5-Zr5 (x = 20, 30, 40 at.%Nb) were prepared by arc melting then solution annealed at 950 ...Read more
Author:Mdletshe, Lindokuhle S; Makgwane, Peter R; Ray, Suprakas SDate:Aug 2019This study report on the synthesis of spinel CuFe2O4 nanostructures by surfactant-assisted method. The catalysts were characterized by X-ray diffraction (XRD), laser Raman, transition electron microscope (TEM), scanning electron microscope ...Read more