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  • Donaldson, GW; Billingham, PA (1973)
    The words ‘built on a firm foundation' have become part of the language and most people would unhesitatingly agree that a house has to have a foundation' without perhaps understanding exactly why. If one were to place an ...
  • Addis, B.J (NBRI/CSIR, 1980)
    Paving is used to cover ground to eliminate dust, mud or erosion and to facilitate the movement of traffic. It can also be used to control the moisture content of the underlying soil around houses built on unsable soil ...
  • Ferreira, T.M; Billingham, P.A (1973)
    The difference between sound and noise varies from one human being to another. Noise, then, is simply unwanted sound and to understand how it can be combatted we must know more about its nature. A guide of acceptable levels ...
  • Cromarty, R.E; Billingham, P.A (NBRI/CSIR, 1985)
    Thousands of years ago primitive man made use of some of the colourful materials that he found around him to stain his body and clothing. He also decorated the walls of his cave with pictures of hunters and wild animals ...
  • Ferreira, T (NBRI/CSIR, 1979)
    Home owners often complain that traffic noise disturbs their indoor peace and quiet. It is difficult, expensive and probably unnecessary to make the whole house soundproof. To appreciate and apply the practical tips that ...
  • Billingham, P.A (NBRI/CSIR, 1977)
    It has become fashionable to talk of 'energy crisis' but in fact there is still no shortage of energy - if one is prepared to pay the price. This situation, however, cannot continue indefinitely because our limited supplies ...
  • Cawood, WN (NBRI/CSIR, 1976)
    Since primitive man first set fire to a heap of twigs to warm his cave, mankind has been making use of the earth's energy resources. Fortunately, we still have the sun, which offers us an inexhaustible source of non-polluting ...
  • Lotz, F.J; Billingham, P.A (NBRI/CSIR, 1974)
    Too many people need to switch on the air-conditioning every time the sun comes up and light a fire as soon as it does down again. The sun is a wonderful source of energy that comes free of charge to all of us.
  • Long, K (NBRI/CSIR, 1978)
    Thatch has been used as a roofing material from the earliest times. The basic tools of the thatcher's craft have not changed over hundreds of years. Thatching is a craft that is traditionally handed down from father to son.
  • Nair, Kishor Krishnan; Helberg, Albert; Johan, van der Merwe (IEEE, 2015-11-23)
    Bluetooth plays a major role in expanding global spread of wireless technology. This predominantly happens through Bluetooth enabled mobile phones, which cover almost 60% of the Bluetooth market. Although Bluetooth mobile ...
  • Brown, CJ; Macdonald, IAW; Brown, SE (Foundation for Research Development: CSIR, 1985)
    The greatest threat of invasion of alien species of plants and animals is posed by species which originate from similar arid habitats in other parts of the world. In general the smaller the number of individuals of an alien ...
  • Van Wilgen, BW; Nel, JL; Rouget, M (Blackwell Publishing Ltd, 2007)
    Parallel initiatives in South Africa have been addressing the prioritisation and management of invasive alien plant species, the prioritisation of rivers for the conservation of biodiversity, and broad-scale planning for ...
  • Gorgens, AHM; Van Wilgen, BW (Acad Science South Africa, 2004-01)
    Predictions that invasive alien Plants would use significant amounts of water were a major factor in the establishment of South Africa's Working for Water programme, which aims to protect water resources by clearing these ...
  • Richardson, DM; Van Wilgen, BW (Acad Science South Africa, 2004-01)
    This paper examines the evidence for the effects of invasive alien plants in natural and semi-natural ecosystems in South Africa. Invasive alien plants are concentrated in the Western Cape, along the eastern seaboard, and ...
  • Macdonald, IAW; Jarman, ML (National Scientific Programmes Unit: CSIR, 1985)
    This report consists of two types of chapters. Most of the chapters are short syntheses of particular aspects of the alien plant problem in Natal, written by groups of participants during the workshop meeting. They are ...
  • Le Maitre, David C; Van Wilgen, BW; Gelderblom, CM; Bailey, C; Chapman, RA; Nel, JA (Elsevier Science BV., 2002-05-01)
    Invasive alien plants are consumptive water-users, and may have reduced river flows in South Africa by about 6.7% according to a broad-scale study. An effective programme to bring the invasions under control would cost ...
  • Boucher, C; McDonald, AE (National Scientific Programmes Unit: CSIR, 1982-09)
    A comprehensive list of plant communities described by various authors within the Fynbos Biome geographic area is given. The list is divided into two sections. Section I consists of plant communities described over a wide ...
  • Bogaers, Alfred EJ; Kok, S; Reddy, BD; Fran, T (2012-07)
    In this paper we investigate the invertability of a branching 1D arterial blood flow network. We limit our investigation to a single bifurcating vessel, where the material properties, unloaded areas and variables characterizing ...
  • Rushworth, AM; Talbot, CF; Von Glehn, FH; Lomas, RM (1999-03)
    Transport and tramming accidents on coal mines in South Africa are a major component in the overall pattern of colliery accidents. Furthermore, there is now a widespread acceptance that human error is a common cause of ...
  • Urcan, H; Grodner, M; Watson, B; Lamos, RA; Roberts, MKC; Stewart, R; Squelch, AP; Le Grange, R; Xaba, D (2003-07)
    The main aim of this project was to define and quantify the effect of potholes on ground conditions in platinum stopes, and assess whether these changes could be used to predict the occurrence of potholes ahead of stope ...