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Now showing items 372-391 of 639

Olifants (CW10)

Author: Morant, PD Date: Jul 1984 In this report available historical information on Olifants estuary and abiotic and biotic characteristics found in the estuary are presented. The Olifants River system was explored early in the colonization of the Cape by European settlers. ... Read more
Onrus (CSW14)

Author: Heinecken, TJE ; St J Damstra, K Date: Jul 1983 In this report available historical information on Onrus estuary is presented. The lower reach of the Onrus River or Onrust River as it is also known, has a small fresh water lagoon at its mouth. The area was originally part of a farm. According ... Read more
OpenNebula KVM SR-IOV driver

Author: Macleod, D Date: May 2013 With the recent release of an OFED which supports SR-IOV on Infiniband HCAs it is now possible to use verbs from inside a VM. This VMM driver supports these Infiniband HCAs, and any other SR-IOV network device, in OpenNebula. Read more
Optical sorting and photo-transfection of mammalian cells

Author: Mthunzi, P Date: Feb 2010 Recently, laser light sources of different regimes have emerged as an essential tool in the biophotonics research area. Classic applications include, for example: manipulating single cells and their subcellular organelles, sorting cells in ... Read more
Optimization of compaction specifications for different pavements layers

Author: Semmelink, CJ ; Groenewald, M ; Du Plessis, E Date: Mar 1994 The report deals with the site investigations in connection with the compaction standards, that is a comparison between actual in situ dry densities achieved compared to specification requirements, for road layer work for the periods 91/92, ... Read more
Orthographic measures of language distances between the official South African languages.

Author: Zulu, PN ; Botha, G ; Barnard, E Date: 2007 Two methods for objectively measuring similarities and dissimilarities between the 11 official languages of South Africa are described. The first concerns the use of n-grams. The confusions between different languages in a text-based language ... Read more
Our Urban Future: Highlighting the growth trajectory of South Africa's settlements

Author: Le Roux, Alize ; Arnold, Kathryn A ; Makhanya, Sibusisiwe A ; Mans, Gerbrand G ; Wools, L Date: Oct 2018 South Africa is experiencing high levels of population expansion and urbanisation, and this growth is occurring at an increasingly rapid pace. Population change over time (growth or decline) is an inevitable phenomenon. Current projections ... Read more
Outgrower timber schemes in KwaZulu-Natal – Do they build sustainable rural livelihoods and what interventions should be made?

Author: Cairns, RI Date: 2000 Small-scale timber growers access commercial timber markets in KwaZulu-Natal through three mechanisms. These are; highly structured contractual arrangements (SAPPI, Lima and Mondi); membership in commercial forest-owners associations or timber ... Read more
Overload road damage model

Author: Roux, Michael P ; Sallie, Ismail M ; Nordengen, Paul A ; Ras, H ; De Franca, Volanda MP Date: Mar 2005 Not only do overloaded vehicles pose an increased safety risk on the road (reduced stability and braking efficiency etc.), but they also accelerate the rate of deterioration of the road network and increase road maintenance costs, which in ... Read more
Palmiet (CSW12)

Author: Clarke, BC Date: Mar 1989 This report was prepared as a result of a research undertaken in both the catchment and the estuary. The prime motivation for this work has been the need to estimate the impact of the dams on the ecology of the river and estuary and on the ... Read more
Pavement behaviour under the super single tyre

Author: Viljoen, AW Date: Jun 1982 Pavement behaviour under the super single tyre (SST) was investigated and compared with that under a conventional dual tyre (CDT). Contact areas and contact pressures over a range of loading conditions were measured and compared. Two approaches ... Read more
Perceptions of the users of urine diversion dry (UDD) toilets in medium density mixed housing in Hull Street, Kimberley

Author: Matsebe, GN Date: Dec 2011 South Africa is a water scarce country (Otieno and Ochieng, 2004; Wassung, 2010). The current sanitation system mostly used in South African urban areas depends on extensive use of water in a form of flush toilets. The housing sector in major ... Read more
Performance-based standards for South African car-carriers

Author: De Saxe, C Date: Dec 2012 Until recently, car-carriers in South Africa operated under abnormal load permits allowing a finite relaxation of legal height and length limits. This practice is being phased out, and exemption will only be granted if a car-carrier complies ... Read more
Permanent deformation and in-depth deflection records for selected HVS tests

Author: Theyse, HL Date: Mar 1999 Transportek has been involved in accelerated pavement testing (APT) with a fleet of Heavy Vehicle Simulators (HVSs) over the past two decades. During this period, a vast amount of pavement response and performance data has been accumulated, ... Read more
Phytosociological classification of the Nylsvley nature reserve

Author: Coetzee, BJ ; Van Der Meulen, F ; Zwanziger, S ; Gonsalves, P ; Weisser, PJ Date: Dec 1977 The vegetation of the Nylsvley Nature Reserve in the Transvaal Mixed Bushveld is classified hierarchically by the Braun-Blanquet method of vegetation survey. The vegetation is seasonal grassland and deciduous savanna with four floristically ... Read more
Pipeline discharges of effluents to sea

Author: Lord, DA ; Anderson, FP ; Basson, JK Date: Oct 1984 The rational development of major projects involving the marine disposal of effluents by pipelines requires the close cooperation of planners, scientists and engineers. In May 1983, a workshop entitled 'Pipeline Discharges of Effluents to ... Read more
Plant communities of Swartboschkloof, Jonkershoek

Author: McDonald, DJ Date: Mar 1985 Swartboschkloof forms part of the Jonkershoek mountain catchment complex at the headwaters of the Eerste River, Cape Province. It has been selected as a primary study site for the Fynbos Biome Project multi-disciplinary studies of Mountain ... Read more
Plasticisation and complexation of certain polymers in supercritical CO2

Author: Labuschagne, Philip W Date: Sep 2004 A polymer system (polyvinylpyrrolidone + polyvinyl acetate-co-crotonic acid) was successfully identified for use as encapsulation material for sensitive actives using supercritical CO2 as plasticisation medium, having the following properties: ... Read more
Pond systems for the purification and disposal of domestic wastewater from small communities: use, design, operation and maintenance

Author: Drews, RJLC Date: 1983 Pond systems are ideally suited for small communities, and for schools, hospitals and other institutions since they are simple and economical to construct, operate and maintain. Numerous pons systems have been designed and commissioned in ... Read more
Population of the LEAP system to model energy futures in South Africa

Author: Taviv, R ; Trikam, A ; Lane, T ; O'Kennedy, K ; Mapako, M ; Brent, AC Date: May 2008 South Africa has ambitious goals for economic and social development, such as halving poverty and reducing unemployment to below 15% by 2014. A government investigation, supported by independent research, indicated that between 2004 and 2014 ... Read more

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Browsing Archives collection by Title

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