Now showing items 41-60 of 1666

  • Solar still for rose water production 

    Ganesan, C.T. (University of Botswana, http://www.ub.bw, 1998)
    This paper is the outcome of students'project guided by the author. An attempt has been made to design and develop a solar still for rose production in India. This unit has the following features:i) possibility of tilt ...
  • The Southern African Cultural Information System (SACIS) 

    Thapisa, A.P.N. (Emerald//www.emeraldinsight.com, 1998)
    Describes the development of the Southern African Cultural Information System (SACIS), a project spearheaded by the Southern African Development Community (SADC). A substantial and effective information system is considered ...
  • Antibiotic activity of selected Botswana Medicinal Plants 

    Majinda, Runner R.T.; Motswaledi, Modisa S. (The Botswana Society, http://journals.ub.bw/index.php/bnr/index, 1998)
    A number of plant extracts from selected Botswana Medicinal Plants were tested against a battery of organisms for antibiotic activity. The antibiotic profile for most of these extracts seems to support their traditional ...
  • Teachers' perspectives on classroom practice in Botswana: implications for pedagogical change 

    Tabulawa, R. (Routledge http://www.informaworld.com, 1998-04)
    Attempts to improve the quality of education in Botswana have, inter alia, included an emphasis on a learner-centered pedagogy. Attempts at implementing this pedagogy have been made within the ambit of the technical rational ...
  • Management of waste oil in Botswana and the possibilities of energy recovery from waste oil 

    Ketlogetswe, C. (University of Botswana, Faculty of Engineering and Technology, http://ajol.info/index.php/bjt, 1998-04)
    Since independence, the economy of Botswana has been undergoing a rapid transition from one in which the majority of the people depend on traditional agriculture and pastoralism to one in which formal sector employment ...
  • Domestic use of electrical energy from wind energy in Botswana 

    Dimitrova, J.; Slivkov, G. (University of Botswana, Faculty of Engineering and Technology, http://ajol.info/index.php/bjt, 1998-04)
    This paper presents an examination of the possibility of using wind turbines generating electricity for households in the remote rural areas of Botswana. On the basis of theoretical consideration of the wind system generating ...
  • A departure from the past? Extension workers and participatory rural development: the case of Botswana 

    Youngman, F.; Maruatona, T. (Taylor & Francis, http://www.informaworld.com, 1998-07)
    This article addresses the question of whether extension workers can change their attitudes and practices in order to promote participatory rural development by considering the case of Botswana. It discusses the emergent ...
  • Community participation in facility management 

    Ngowi, A.B.; Mselle, P.C. (MCB University Press http://www.emeraldinsight.com/10.1108/02632779810233511, 1998-11)
    By involving the beneficiaries of a facility such as housing or an irrigation scheme, at the various stages of the project, it is possible to build their capacity in relation to the facility, which may contribute to the ...
  • Novel natural products from marketed plants of eastern and southern Africa 

    Abegaz, B.M.; Ngadjui, B.T.; Bezabih, M.; Mdee, L.K. (International Union of Pure and Applied Chemistry. http://www.iupac.org/publications/pac/, 1999)
    Marketed plants are an important but a vulnerable group of plants whose investigations as well as conservation should be considered with priority. The chemistry, and in some cases biological activities of novel iso¯avonoids, ...
  • Migrant labour and the Peasantry in the Bechuanaland Protectorate, 1930-1965 

    Morapedi, W.G. (Taylor & Francis, 1999)
    This article grapples with issues that have largely remained outside the realms of migrant labour studies in colonial Botswana: the positive input of migrant wages to agricultural production and the effects of migrant ...
  • Electrospray Liquid Chromatography–Mass Spectrometry of the Leaf Extract of Rhamnus prinoides 

    Nindi, M.M.; Kgarebe, B.V.; Wolfender, J.L.; Abegaz, B.M. (John Wiley & Sons, Ltd., 1999)
    Three naphthalenic derivatives, four flavonoids and two of the four anthraquinones previously isolated from the leaves of Rhamnus prinoides were successfully ionised under electrospray ionisation conditions. These compounds ...
  • Effect of traditional Sudanese processing of kisra bread and hulu-mur drink on their thiamine, riboflavin and mineral contents 

    Mahgoub, S.E.O.; Ahmed, B.M.; Ahmed, M.M.O.; El Agib, E.N.A.A. (Elsevier; www.elsevier.com/locate/foodchem, 1999)
    The effect of fermentation, germination and heating on the levels of thiamine, riboflavin and some mineral elements was studied in Sudanese kisra bread and hulu-mur drink prepared from the two sorghum cultivars dabar and ...
  • Cascade system reliability with Rayleigh Distribution 

    Rekha, A.; Raju, V.C.C. (University of Botswana, 1999)
    The stress-attention in cascade reliability has been studied when both stess and strength follow Rayleigh distribution. The expression for the relaibility R(n), for a system survive with the first (n-1) components failed ...
  • The development of apprentices in the construction industry: a Botswana case study 

    Mwewa, W.L. (University of Botswana, www.ub.bw, 1999)
    The demand for adequate training of artisans and apprentices in the construction industry cannot be over emphasized in view of the rapid changes the industry is undergoing. Many of of these changes are continously taking ...
  • Improvement of AC electronmagnet performance 

    Litchev, A.I.; Yanev, K.M. (University of Botswana, 1999)
    Electromagnets are essentials for the operation of relays, contactors and other electromagnetic apparatus and take part in driving control and protective circuits of industrial processes and power systems. Performance of ...
  • The construction industry in Botswana: a socio-economic development perspective 

    Ssegawa, J.K. (University of Botswana http://www.ub.bw, 1999)
    By the turn of the century,Botswana will be 34 years old as an independent nation. Reflecting on the past, is a background of tremedous achievements from a socio-economic development perspective.The achievement could not ...
  • Perceptions of the water cycle among primary school children in Botswana 

    Taiwo, A.A. (Taylor & Francis, http://www.tandf.co.uk/journals, 1999)
    The study was designed to elucidate the nature of the perception of the water cycle held by Botswana pupils in standards 4 to 7 of primary schools in three different areas (namely, remote area dwellers’ settlement, peri-urban ...
  • The construction industry in Botswana: a socio-economic development perspective 

    Ssegawa, J.K. (University of Botswana, http://www.ub.bw, 1999)
    By the turn of the century, Botswana will be 34 years old as an independent nation. Reflecting on the past, is a background of tremendous achievements from a socio-economic development perspective. The achievements could ...
  • Tracing the African project failure syndrome: the significance of 'ubuntu". 

    Rwelamila, P. D.; Talukhaba, A .A.; Ngowi, A.B. (Emerald http://www.emeraldinsight.com, 1999)
    The lack of 'ubuntu'(African group solidarity) between project stakeholders in the Southern Africa Development Community (SADC) public building sector has been surrounded by controversy and strongly held opinions. The work ...
  • Automobile pollution and the environment 

    Inambao, F.L.; Mosweu, M. (University of Botswana, 1999)
    It is widely recognised that air pollution caused by the global rapid increase of automobile traffic is a threat to the environment. With regard to automobiles there are three general areas of concern: urban pollution, ...