Author:Oberholster, Paul J; Mthethwa, BLS; Botha, AMDate:Sep 2009Due to the lack of toxin standards and resource limitations for wide scale use of analytical methods for e.g. high-performance liquid chromatography (HPLC) and enzyme-linked immunosorbent assay (ELISA) in cyanobacterial toxin monitoring, it ...Read more
Author:Abia, ALK; Ubomba-Jaswa, Eunice; Ssemakalu, CC; Momba, MNBDate:Dec 2015Purpose
Research in the last few decades has increasingly demonstrated riverbed sediments as reservoirs of pathogenic bacteria, which could be released into water resources when sediments are resuspended. Current methods for enumerating these ...Read more
Author:Nandi, D; Saha, I; Ray, SS; Maity, ArjunDate:Sep 2015Reduced-graphene-oxide based superparamagnetic nanocomposite (GC) was fabricated and applied for the remediation of Ni(II) from an aqueous medium. The as-prepared GC was extensively characterized by Raman, TEM, AFM, SEM–EDX, SQUID, and BET ...Read more
Author:Van Wyn Gaardt, WM; Cassette, PDate:Feb 2006A reference system that would allow national laboratories to compare their activity measurements of non-gamma-emitting radionuclides at any time is currently being developed. The system requires a non-commercial reference-liquid scintillation ...Read more
Author:Du Plessis, A; Brent, ACDate:Jun 2006The study summarised in this paper focused on expanding existing South African mine closure cost calculation models to provide a new model that incorporates risks, which could have an effect on the closure costs during the life cycle of the ...Read more
Author:Paige-Green, P; Jones, DJDate:Mar 2004The data required for a road materials database was identified and a basic structure formulated during 2003. A set of Excel workbooks and associated worksheets was developed as a foundation for the database and as an interim means of gathering ...Read more
Author:Jones, DJ; Paige-Green, PDate:Mar 2003The data required for a road materials database has been identified and a basic structure formulated. A set of Excel workbooks and associated worksheets has been developed as a foundation for the database and as an interim means of gathering ...Read more
Author:Wilms, Josefine; Thatcher, MDate:Sep 2017Nearest neighbour searches, scaling, and a flow accumulation method were applied to improve predictions for freshwater deposits from land surfaces to the ocean for an earth systems model. Runoff, generated by the Conformal Cubic Atmospheric ...Read more
Author:Van Zyl, Louwrens H; Wegman, Erik JDate:27 Feb 2006Knowledge of the natural modes of vibration of a structure is required to solve or avoid vibration and flexibility problems in industrial, automotive, aerospace and civil engineering applications. All new aircraft must undergo a flutter ...Read more
Author:Schmitz, P; Engelbrecht, GN; Bean, WLDate:Sep 2010The South African National Defence Force (SANDF) contracted the CSIR to investigate and propose methods to improve its logistics and inventory accounting capabilities. The CSIR proposed that a supply chain management approach should be followed ...Read more
Author:Schmitz, P; Engelbrecht, GN; Bean, WLDate:01 Sep 2010The South African National Defence Force (SAND F) contracted the CSIR to investigate and propose methods to improve its logistics and inventory accounting capabilities. The CSIR proposed that a supply chain management approach should be ...Read more
Author:Moema, JS; Paton, R; Scheers, PVDate:Jul 2003This report details the research work performed at Mintek for SIMRAC into the
development of a sensor material (smart bolt alloy) using metastable austenitic
stainless steel. This study was split in to two phases. Phase 1 investigated the ...Read more
Author:Jansen van Vuuren, JC; Leenen, L; Phahlamohlaka, Letlibe J; Zaaiman, JJDate:Mar 2013National governments have the responsibility to provide, regulate and maintain national security, which includes cybersecurity for their citizens. Although South Africa has recently published its first draft cybersecurity policy, the ...Read more
Author:Peché, M; Davel, MH; Barnard, EDate:Dec 2009This article introduces the first Spoken Language Identification system developed to distinguish among all eleven of South Africa’s official languages. The PPR-LM (Parallel Phoneme Recognition followed by Language Modeling) architecture is ...Read more
Author:Leyland, RDate:Sep 2010Despite some preliminary developments for Slope Management Systems (SMS) for the South African Road Network, no functional SMS has been implemented. Slopes along important strategic routes are generally not monitored and only maintained on a ...Read more
Author:Steenkamp, Lucia HDate:01 Sep 2010The main objective of the development of a two-step “green” synthesis for (-)-ambafuran production is to find an alternative synthesis of (-) Ambrox from sclareol, to use a bioconversion or biocatalysis route, and that it results in a natural ...Read more
Author:Monk, John SDate:Nov 2008The presentation provides a brief history of the UAV developments at the CSIR, which dates back from the early 80’s. It covers the UAV facilities at the CSIR and the CSIR’s role in UAV-related research. Future research areas in the UAV field ...Read more
Author:Cronje, JM; Heyns, PS; Theron, NJ; Loveday, Philip WDate:Mar 2005In this paper we report on the development of a variable stiffness and damping Liquid Inertia Vibration Eliminator (LIVE) vibration isolator. The result is the ability to shift the isolation frequency of the isolator and also to change the ...Read more