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Now showing items 101-120 of 11257

Climate change and the Knysna Estuary

Author: James, J ; Van Niekerk, Lara ; Lamberth, S Date: 2023 Estuaries are shallow coastal environments that are influenced by both tidal action and freshwater inflow. As a result of the mixing of marine and fresh waters, estuaries are naturally dynamic, unstable environments with physico-chemical ... Read more
The effect of curing conditions on bonded repair with boron/epoxy composite patch of aircraft skin

Author: Malika, Khodja ; Hamida, F ; Wahid, O ; Rossouw, Pierre ; Corderley, Gary Date: Jul 2017 Composite materials are becoming more important in the construction of aerospace structures. Bonded joints fulfil a significant role in the development of new technologies, particularly in the aerospace industry where they give new possibilities ... Read more
Proceedings of the 27th International Conference on Information Visualisation (IV 2023), Tampere, Finland, 25-28 July 2023

Author: Banissi, E ; Siirtola, H ; Ursyn, A ; Pires, J ; Datia, J ; Nazemi, N ; Kovalerchuk, B ; Andonie, R ; Nakayama, M ; Mabakane, Mabule S Date: Jul 2023 This collection of papers on this year's information visualization forum, compiled for the 27th conference on Information Visualization incorporating the following: Artificial Intelligence analytics, machine-, deep-learning, and Learning ... Read more
Material characteristics of Ti-6AL-4V samples additively manufactured using laser-based direct energy deposition

Author: Willemse, MG ; Siyasiya, CW ; Marais, D ; Venter, AM ; Arthur, Nana KK Date: Feb 2023 Although additive manufacturing is fast gaining traction in the industrial world as a reputable manufacturing technique to complement traditional mechanical machining, it still has problems such as porosity and residual stresses in components ... Read more
A synthesis of mercury research in the Southern Hemisphere, part 2: Anthropogenic perturbations

Author: Fisher, JA ; Schneider, L ; Fostier, A-H ; Guerrero, S ; Guimaraes, JD ; Labuschagne, Casper ; Leaner, JJ ; Martin, Lynwill G ; Mason, RP ; Walters, Chavon R Date: May 2023 Environmental mercury (Hg) contamination is a global concern requiring action at national scales. Scientific understanding and regulatory policies are underpinned by global extrapolation of Northern Hemisphere Hg data, despite historical, ... Read more
Modular robotic arm for automation of SMME industrial press

Author: Naicker, Dhananathan M ; Purdon, Kyla ; Ramruthan, Kshir Date: Nov 2023 Small South African manufacturing companies, endeavouring to benefit from Fourth Industrial Revolution (4IR) technologies, specifically automation, are restricted by exorbitant costs and the lack of know-how associated with automation. This ... Read more
Nano mechanical study on a single layer TiC/TI6Al4V-ELI composite manufactured with laser metal deposition

Author: Ramasobane, P ; Mashinini, MP ; Masina, Bathusile N Date: Nov 2023 This study investigated the nano mechanical properties of Ti6Al4V-ELI embraced with TiC particles, synthesized with in situ laser metal deposition technique. The 3.85% feed ratio fraction TiC/Ti6Al4V-ELI composite samples were manufactured ... Read more
A real-time implementation of a DPCA GMTI technique for a UAV SAR demonstrator system developed by the CSIR

Author: Mosito, Katlego E ; Magaoga, Mpereke E ; Nel, Willem AJ ; Blaauw, Ciara ; Tema, Thabo H Date: Nov 2023 This paper presents a real-time Displaced Phase Center Antenna (DPCA) Ground Moving Target Indication (GMTI) processor. The GMTI processor performs clutter suppression, target detection, target tracking and target geolocation in real-time on ... Read more
Sustainability Handbook Volume 8

Author: De Jager, Peta Date: Jan 2024 Given that cement is the third most utilized material following sand and water and its manufacture contributes an estimated 6% of global anthropogenic carbon dioxide emissions, there is a need to consider recyclability, life cycle environmental ... Read more
Study on joint characteristics in laser butt welding of AMed and wrought Ti6Al4V plates

Author: Okamoto, Y ; Shinonaga, T ; Takemoto, Y ; Okada, A ; Ochi, A ; Kishimoto, R ; Pityana, Sisa L ; Arthur, Nana KK ; Omoniyi, Peter ; Mahamood, Rasheedat ; Maina, Martin ; Akinlabi, Ester Date: Jun 2023 Titanium alloy Ti6Al4V has been widely applied to medical, automotive, and aerospace industries due to its excellent properties such as high strength and excellent corrosion resistance. On the other hand, additive manufacturing (AM) technology ... Read more
The synthesis of bupropion hydrochloride under greener and safer conditions utilizing flow technologies

Author: Van Wyk, LT ; Neyt, Nicole C ; Jugmohan, Jaimee ; Panayides, Jenny-Lee ; Riley, DL Date: Jan 2024 Globally, major depressive disorders are a leading cause of disconsolateness affecting more than 300 million individuals. Bupropion is a unique dopamine-norepinephrine reuptake inhibitor (DNRI) commonly utilized in the treatment of depression, ... Read more
A novel energy-aware SDWSN controller placement scheme

Author: Molose, RRS ; Isong, B ; Dladlu, N ; Abu-Mahfouz, Adnan MI Date: Nov 2023 This paper presents a novel algorithm for placing multiple controllers in a software defined wireless sensor network (SDWSN). The algorithm is designed to address scalability and energy efficiency issues in the network. We propose a hybrid ... Read more
4-RRS PKM for stabilisation on a mobile sensor platform

Author: Ramruthan, Kshir ; Kuchwa-Dube, C Date: Nov 2023 Disturbances experienced by an inspection robot can reduce the quality of its sensor measurements, which can in turn negatively affect the robot’s functionality. This research aimed to design a Parallel Kinematic Mechanism (PKM) for use as ... Read more
3D mapping and photogrammetry sensor payload for unmanned aerial vehicles

Author: Purdon, Kyla ; Van Niekerk, T ; Phillips, R ; Marais, Stephen T Date: Nov 2023 Unmanned Aerial Vehicles (UAVs) have shown great potential for data collection and monitoring of areas. Sensors such as LiDARs and cameras can be used on UAVs for high-resolution data collection and used for various applications like Digital ... Read more
Classification of exaggerated news headlines

Author: Rangata, Mapitsi R ; Sefara, Tshephisho J Date: Feb 2024 The amount of data online is increasing as companies generate news articles daily. These news articles contain headlines that have a level of exaggeration aimed to win the readers. In addition, these companies are competing against one another; ... Read more
Towards energy-efficient intelligent edge computing

Author: Afachao, F ; Abu-Mahfouz, Adnan MI Date: Nov 2023 This research focuses on energy-efficient edge computing in the context of intelligent edge computing. With the increasing demand for computation and data processing at edge network nodes, the study explores the use of artificial intelligence ... Read more
Voyager, a ground mobile robotic platform for research development

Author: Purdon, Kyla ; Dickens, John S ; De Ronde, Willis ; Ramruthan, Kshir ; Crafford, Gerrie Date: Nov 2023 This paper describes a mobile ground-based robotic platform named Voyager which was developed to support robotics research and replace the old mobile robotic platform, the Pioneer. A comparative analysis was done with three mobile robot: ... Read more
Candida parapsilosis cell wall proteome characterization and effectiveness against hematogenously disseminated candidiasis in a murine model

Author: Gong, X ; Srivastava, V ; Naicker, Previn ; Khan, A ; Ahmad, A Date: Mar 2023 Candida parapsilosis poses huge treatment challenges in the clinical settings of South Africa, and often causes infections among immunocompromised patients and underweight neonates. Cell wall proteins have been known to play vital roles in ... Read more
Ground-based surveillance and classification radar for wildlife protection

Author: Berndt, Robert J ; Wabeke, Leon O ; Van Rensburg, Vanessa ; Potgieter, Pieter F ; Kloke, Kevin H Date: Nov 2023 Wildlife poaching has become an increasingly large problem over the last decade in southern Africa. There have consequently been worrying declines in rhinoceros population levels. As part of a multi-year effort to investigate and develop ... Read more
Potential opportunities to convert waste to bio-based chemicals at an industrial scale in South Africa

Author: Mandree, PM ; Thopil, GA ; Ramchuran, Santosh O Date: Oct 2023 Globally, greater than 30% of waste is disposed of in some form of landfill, and it is estimated that annual waste-related emissions will increase by up to 76% by 2050. Emissions arising from fossil fuel-derived products and waste disposal ... Read more

Now showing items 101-120 of 11257

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