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Now showing items 101-120 of 172

Development of a Piezoelectric Adaptive Mirror for Laser Beam Control

Author: Long, Craig S ; Loveday, Philip W ; Forbes, A Date: Jun 2008 An intra-cavity adaptive mirror is developed for compensation of time-dependent phase aberrations to a laser beam, such as those caused by thermal lensing. The unimorph-type device consists of a metallic disc, with a mirror finish, bonded to ... Read more
Digital audio editor for the blind

Author: Van der Walt, W Date: Feb 2011 This document describes Open Source Software newly-developed under the NAP project. The software comprises a digital audio editor for the blind. Read more
Direct comparison of the thermal lenses of diode-end-pumped Nd:YVO4 and Nd:GdVO4 lasers using a simple evaluation technique

Author: Esser, MJD ; Bollig, C ; Preussler, DR Date: 2006 In this work, the thermal lenses generated in diode-end-pumped Nd:YVO4 and Nd:GdVO4 lasers were evaluated and compared using a simple technique based on the stability criteria of a plane-parallel laser resonator [example 1], as shown in the ... Read more
Downscaled climate change projections over northeastern South Africa: Implications for streamflow

Author: Mkhwanazi, M ; Landman, WA ; Engelbrecht, FA ; Olivier, C Date: Sep 2015 The study assesses the impacts of anthropogenic forcing on seasonal streamflows over northeastern South Africa by using both dynamically and statistically downscaled multi-decadal climate change projections. The statistical model approach is ... Read more
Enhanced photo-transfection efficiency of mammalian cells on graphene coated substrates

Author: Mthunzi-Kufa, Patience ; He, K ; Ngcobo, Sandile ; Warner, JW Date: Feb 2014 Literature reports graphene, an atomic-thick sheet of carbon atoms as one of the promising biocompatible scaffolds that promotes cellular proliferation in human mesenchymal stem cells. On the other hand, different mammalian cell lines including ... Read more
Evidence-based policy for environmental sustainability: a path forward for South Africa

Author: Funke, Nicola S ; Shaxson, L (ed) ; Bielak, AT (ed) Date: Mar 2009 This handbook summarises the background behind, format of and lessons learned from a Collaborative Workshop on Evidence-based Policy-making that was held in November 2008. The workshop was organised by CSIR and funded by the UK's Department ... Read more
First premises of the CSIR at Mint, Visagie street, Pretoria

Author: CSIR Date: 1945 The first CSIR premises located in Pretoria at the Public Works Department adjacent to the Mint in Visagie street. Read more
Food waste in South Africa: Opportunities and challenges

Author: Oelofse, Suzanna HH Date: Jul 2015 This presentation presents on the food waste in South Africa: Opportunities and challenges, Food loss by region and stage of the supply chain and estimated food waste. Read more
Good research guide, second edition

Author: Scholes, RJ Date: 2003 This guide informs CSIR staff about the standards that they are expected to meet when doing research. Researchers who follow this guide will have satisfied the legal requirement for 'due diligence' in their work. Read more
The Green Building Handbook South Africa Volume 12: The Essential Guide

Author: Van Wyk, Llewellyn V Date: Feb 2019 At a higher level the quality of infrastructure in South Africa continues to deteriorate and achieving sustainable infrastructure in the light of increasing demand is a key requirement for improving the quality of life of our people. A chapter ... Read more
Highest national honour for CSIR President - (SABC Morning Live Interview)

Author: Sibisi, S Date: 26 Sep 2007 At a ceremony at the Union Buildings in Pretoria on Friday, CSIR President and CEO, Dr Sibusiso Sibisi, was among a group of South Africans who received the National Orders from President Thabo Mbeki. The Orders are bestowed on South Africans ... Read more
In situ batch denitrification of nitrate rich groundwater using sawdust as a carbon source - Marydale, South Africa

Author: Israel, S ; Engelbrecht, P ; Tredoux, G ; Fey, MV Date: 2009 Batch experiments were performed to denitrify groundwater using sawdust as a carbon source at Marydale, South Africa. Alkalinity, pH, Electrical Conductivity, nitrate, nitrite, ammonia, SO42-, heterotrophic plate count (HPC), dissolved organic ... Read more
Integrated ocean carbon research: A summary of ocean carbon research, and vision of coordinated ocean carbon research and observations for the next decade

Author: Aricò, S ; Arrieta, JM ; Bakker, DC ; Boyd, PW ; Cotrim da Cunha, L ; Chai, F ; Dai, M ; Gruber, N ; Isensee, K ; Monteiro, Pedro M Date: 2021 One of the major expectations from the Decade is a predicted ocean that relies on the integration of comprehensive modeling and sustainable ocean observing systems. Specific to climate change and ocean carbon, the Implementation Plan contains ... Read more
Laser based refurbishment of steel mill components

Author: Kazadi, P ; Van Rooyen, Corney ; Burger, H Date: Mar 2006 Laser refurbishment capabilities were demonstrated and promising results were obtained for repair of distance sleeves, foot rolls, descaler cassette, idler rolls. Based on the cost projections and the results of the in-situ testing, components ... Read more
Lets build a safe SA out of love, not from fear (Interview)

Author: Holtman, B Date: 18 Jan 2008 Barbara Holtman is leader of the CSIR Crime prevention research group. This is a group that is responsible for support of criminal justice systems, a group working with government safety strategies and crime prevention programmes at the CSIR. ... Read more
Localisation system in wireless sensor networks using ns-2

Author: Abu-Mahfouz, Adnan MI Date: Apr 2012 This project presents an extension to the current version of ns-2, which enables a normal user, who has basic knowledge of ns-2, to simulate localization system within a wireless network. Moreover, this project would be beneficial to researchers ... Read more
Malawi Public Health Emergency and Preparedness Workshop

Author: Claassen, Marius ; Nortje, Karen ; Le Roux, Wouter J Date: Sep 2018 Over four days, workshop participants collaboratively identified opportunities to improve interagency cooperation, enhance the institutional framework, and strengthen capacity for public health emergency prevention and response in Malawi. ... Read more
Managing the changing risk of fire in the South African landscape

Author: Van Wilgen, BW ; Archibald, SA ; Frost, P Date: Nov 2008 Fires are a natural and common feature of many of South Africa's landscapes. They are necessary for the maintenance of healthy ecosystems and for biodiversity, but they also do extensive damage to crops, plantations, houses and livestock, and ... Read more
Microstructure of laser cladded martensitic stainless steel

Author: Van Rooyen, Corney ; Burger, HP ; Kazadi, BP Date: Aug 2006 Laser cladding offers distinct advantages including low dilution, low heat input,less distortion, increased mechanical and corrosion properties excellent repeatability and control of process parameters. Solidification of laser cladded ... Read more
Minutes of the inaugaral meeting of the reference group in connection with the project titled: Kukimbia: The impact of environmental refugees in Southern Africa (K5/2768/2), held on 21 June 2017 at 10:00am

Author: Jacobs-Mata, Inga M Date: Jun 2017 Minutes of the inaugaral meeting of the reference group in connection with the project titled: Kukimbia: The impact of environmental refugees in Southern Africa (K5/2768/2), held on 21 June 2017 at 10:00am Read more

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