University of Botswana Research, Innovation and Scholarship Archive: Recent submissions
Now showing items 1781-1800 of 2188
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Measurement of operating forces in a ram press crushing sunflower seed
(Blackwell Publishing Ltd, http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1475-1305, 2009)This study presents the experimental setup and results of measurement of forces and moments in a manually operated ram press machine. Tests were conducted on a BP30 ram press using electrical resistance strain gauges to ... -
Application of enamel-coating for draught reduction of a mouldboard plough
(Akademiai Kiado, 2007)The effect of enamel-coating on the draught performance of an animal-drawn mouldboard plough was studied. A single furrow swing mouldboard plough-Maun Series, and the same type enamel-coated plough both ox-drawn, are ... -
Effect of annealing on the structural, optical and electrical properties of ITO films by RF sputtering under low vacuum level
(Elsevier Science Ltd. http://www.elsevier.com/locate/mejo, 2008)Indium tin oxide (ITO) thin films were prepared by RF sputtering of ceramic ITO target in pure argon atmosphere at a high base pressure of 3×10−4 mbar without substrate heating and oxygen admittance. The use of pure argon ... -
Patriarchy and women’s land rights in Botswana
(Elsevier www.elsevier.com/locate/landusepol, 2006)Patriarchy has been defined as a gendered power system: a network of social, political and economic relationships through which men dominate and control female labour, reproduction and sexuality as well as define women’s ... -
The dominant tradition in adult literacy – a comparative study of national literacy programmes in Botswana and Zimbabwe
(Springer, http://www.springeronline.com, 2001-11)The article highlights the renewed significance of adult literacy for international and national educational policy as a result of the World Educational Forum in 2000, at which a new vision of literacy was advocated. The ... -
Effects of global positioning system collar weight on zebra behavior and location error
(Wildlife Society http://joomla.wildlife.org/index.php?option=com_content&task=view&id=43, 2008)Global Positioning System (GPS) collars are increasingly being used to study fine-scale patterns of animal behavior. Previous studies on GPS collars have tried to determine the causes of location error without attempting ... -
High definition television:-the TV system of the future
(University of Botswana, 1998)This paper describes the fundamental principles of production and accomplishment of High Definition Television (HDTV)-the television system of the future.It looks at the parameters of high definition television (HDTV),and ... -
Automobile pollution and the environment
(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, ... -
Reservoir storage requirements in arid areas
(University of Botswana, 2006)Water reservoir storage requirements are a function of demand and variation in inflow. The greater the variation the greater the storage required to meet a specified draft. The selected recurrence interval of failure also ... -
Analysis of gender differences in education for engineering career (Gaborone case study)
(University of Botswana, 2000)The percentage of students, especially women in engineering, is very low in Botswana and the country is still heavily dependent upon foreign human resources. The objective of this research has been to study the gender ... -
An investigation into the possibility of establishing a building index for Botswana
(University of Botswana, 2001)Without cost information, project planning is difficult for clients just as pricing of tenders is difficult for construction firms. No agency or organization in Botswana has endeavoured to collect, compile and analyze ... -
Implementation of a single phasing protective circuit for three phase induction motors
(University of Botswana, 2006)Analysis of the induction motor failures show, that a significant number of motors are damaged due to single phasing.At such conditions the current increases rapidly and the motor is subjected to burnouts and consequently ... -
PSPICE model of an open-circuit DC shunt machine
(University of Botswana, 2000)Computer models are used to replicate the essential performance features of a physical element using convenient modeling and simulation programs. Within SPICE, an acronym for the Simulation Program with Integrated-Circuit ... -
Oxide of nitrogen in diesel engines: formation, effects and control
(University of Botswana, 2001)Diesel engines are used in heavy duty applications because of their high effeciency an reliability. However, oxides of nitrogen emissions remain a major concern. In diesel engines, fuel combustion is responsible for a major ... -
K-Maps: a visual tool for systematic design of combinational circuits using multiplexers
(University of Botswana, 1998)One of the application areas of digital multiplexers is in implementation of logic equations. Truth tables can be used as a design tool, but they become very limited when design details are explored.It will be shown in ... -
Low flush water closets in buildings and their effects in the drainage systems
(University of Botswana, 1999)Water scarcity in arid and semi-arid countries such as Botswana; call for judicious planning and economic use. In this connection many water saving components and appliances have been devised. One such system for example ... -
Energy losses in a ram press machine for vegetable oil expression
(Dalhousie University, 2009) -
Essential elements of telephone call charging systems
(University of Botswana, 1998)There are many instances where a telephone call charge needs to be avaialable immediately after a call is made. Usually, for a fee a telecommunication provider can provide call charge for a particular call. Call charging ... -
Product analysis based on Botswana's postcolonial socio-cultural perspective
(Chinese Institute of Design, http://www.ijdesign.org, 2007)Products designed and manufactured in any country are influenced by local factors, such as the availability of raw materials, human skills, tradition, and socio-cultural values. The tendency to use available natural resources ... -
Leadership from two cultural perspectives—a tune or discord: Botswana's experience
(Routledge. http://www.informaworld.com, 2008-07)This article provides traditional and teachers' academic views on school leadership in Botswana. The traditional view is based on the practice used in the kgotla's system. This is a traditional way of engaging all people ...