Author:Jacobs, V; Patnaik, A; Anandjiwala, RD; Maaza, MDate:Jun 2011Electrospinning of chitosan, a naturally occurring polysaccharide biopolymer, has been investigated. In this paper, the authors report the optimization of electrospinning process and solution parameters using factorial design approach to ...Read more
Author:Seid, ER; Majozi, TDate:May 2014Presented in this contribution is a formulation that addresses optimization of both water and energy, while simultaneously optimizing the batch process schedule. The scheduling framework used in this study is based on the recent and efficient ...Read more
Author:Liu, I-S; Takawira, F; Xu, HJDate:Aug 2007This paper presents a joint medium access control and physical (MAC-PHY) layers solution for optimizing the system performance in the hybrid Token-CDMA MAC system. The proposed scheme is designed in order to provide continuous monitoring of ...Read more
Author:Gbadeyan, OJ; Adali, S; Bright, G; Sithole, Bishop B; Onwubu, SDate:Jul 2020The possibility of obtaining calcium carbonate nanoparticles from Achatina fulica shell through mechanochemical synthesis to be used as a modifying filler for polymer materials has been studied. The process of obtaining calcium carbonate ...Read more
Author:Bergh, J; Snedden, Glen; Dunn, DwainDate:Apr 2020This paper presents the predicted, as well as final experimental results for the design of an automatically optimized non-axisymmetric endwall and as such, attempts to close the loop between design and practice, providing additional information ...Read more
Author:Moolman, FS; Rolfes, H; Van der Merwe, SW; Focke, WWDate:29 Jul 2004The oxygen carrying performance of a perfluorooctyl bromide (PFOB) emulsion is considered. The intended purpose is to enhance hepatocyte growth and function in a bio-artificial liver support system (BALSS). Such oxygen carrying emulsions have ...Read more
Author:Jacobs, V; Patanaik, A; Anandjiwala, RDDate:Nov 2011This paper reports the optimization of electrospinning process and solution parameters using factorial design approach to obtain uniform polyethylene oxide (PEO) nanofibers. The parameters studied were distance between nozzle and collector ...Read more
Author:Menya, E; Olupot, PW; Storz, H; Lubwama, M; Kiros, Y; John, Maya JDate:Mar 2019Response surface methodology was employed to optimize pyrolysis conditions for production of char with maximum yield, fixed carbon content, and with minimum ash content from Uganda’s New Rice for Africa (NERICA) 1 rice husk variety. The aim ...Read more
Author:Pelders, Jodi L; Magweregwede, Fleckson; Rupprecht, SMDate:Aug 2021Increased depths of conventional gold and platinum mines, longer travelling times as working places move further from the shaft, and ancillary activities taking place in the mining cycle reduce the useable time spent at the workface. Current ...Read more
Author:Mfusi, Busisiwe J; Mathe, Ntombizodwa R; Makoana, Nkutwane W; Popoola, PDate:Nov 2022Surface morphology is a significant aspect of a solid material, whether for aesthetic or functional purposes and currently, through different surface modification methods, developments have been dedicated into advancing metallic materials to ...Read more
Author:Dada, M; Popoola, P; Aramide, O; Mathe, Ntombizodwa R; Pityana, Sisa LDate:Jun 2020Laser Additive Manufacturing was used to fabricate AlTiCrFeCoNi high entropy alloy and the corrosion properties of the alloy were investigated in 3.5 wt% NaCl solution. The tests were conducted via potentiodynamic polarization at room temperature ...Read more
Author:Adetunji, KE; Hofsajer, IW; Abu-Mahfouz, Adnan MI; Cheng, LDate:Sep 2022In developing a sustainable and efficient power systems network while reducing carbon footprint, renewable energy (RE)-based Distribution Generation (DG) units are highly recommended. Furthermore, Battery Energy Storage Systems (BESS) and ...Read more
Author:Venkatasamy, V; Mathe, Mahlanyane K; Cox, SM; Happek, U; Stickney, JLDate:Jun 2006Studies of the optimization of HgSe thin film deposition using electrochemical atomic layer epitaxy (EC-ALE) are reported. Cyclic voltammetry was used to obtain approximate deposition potentials for each element. These potentials were then ...Read more
Author:Mwakikunga, Bonex W; Forbes, A; Sideras-Haddad, E; Arendse, CDate:Oct 2008Laser pyrolysis has been used to synthesize WO3 nanostructures. Spherical nano-particles were obtained when acetylene was used to carry the precursor droplet, whereas thin films were obtained at high flow-rates of oxygen carrier gas. In both ...Read more
Author:Akpakwu, GA; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Feb 2022The Constrained Application Protocol (CoAP) is a lightweight web transfer protocol designed based on the REST architecture standardized by the Internet Engineering Task Force (IETF) to meet and accommodate the requirements of the constrained ...Read more
Author:Page, TPT; Du Plessis, AGDate:Mar 1998The objective of the work reported in this document was to compile training guidelines to address the hazards arising from electrical ignitions and fires in underground coal mines. The resulting training guidelines, which contain recommended ...Read more
Author:Smith, Marie E; Robertson, lain L; Bernard, StewartDate:Jun 2018Productive upwelling zones such as the southern Benguela can exhibit phytoplankton biomass variability over several orders of magnitude, from near oligotrophic offshore waters to hypertrophic inshore blooms of>100 mgm (sup-3). This introduces ...Read more
Author:Thomalla, Sandy J; Moutier, William; Ryan-Keogh, Thomas J; Gregor, Luke; Schutt, JuliaDate:Dec 2017Autonomous platforms will begin to address the space-time gaps required to improve estimates of phytoplankton distribution, which will aid in the quantification of baseline conditions necessary to detect long-term trends that can be attributed ...Read more