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Now showing items 131-140 of 204
Understanding Nickel Thin Film crystallization using X-Ray Diffractometry
(Bioline International. http://www.ajol.info/journal_index.php?jid=90, 2007-06)
Normal, helical and zigzag deposited Ni films were produced by letting a vapour stream of source
material impinge on Corning 1737 glass substrates at oblique incidence while rotating the substrate during deposition.
Films ...
Decrease in hydraulic conductivity in saturated soil columns and particle release associated with self-filtration in saturated soil columns
(Elsevier http://www.linkinghub.elsevier.com/retrieve/pii/S0016706108001365, 2008)
The dynamics of the process of self-filtration in soil columns have been evaluated for two soils with different
structural cohesion (Balkuling agricultural soil and a mining residue) by carrying out experiments focusing
on ...
Integrating policy, disintegrating practice:water resources management in Botswana
(Elsevier, http://www.linkinghub.elsevier.com/retrieve/pii/S1474706504001834, 2004)
Botswana is generally regarded as an African success story. Nearly four decades of unabated economic growth, multi-party
democracy, conservative decision-making and low-levels of corruption have made Botswana the darling ...
Current impact of mining alkaline rocks on Save River water quality in Zimbabwe
(Elsevier http://www.linkinghub.elsevier.com/retrieve/pii/S1464343X09000491, 2009)
Alkaline rocks (phosphate deposits in particular) of igneous origin are currently being mined in Zimbabwe.
Exploitation of these deposits, which are associated with metals and non-metals, provides a potential
for changing ...
Using a pore-scale model to quantify the effect of particle re-arrangement on pore structure and hydraulic properties
(Wiley http://www.interscience.doi.wiley.com/10.1002/hyp.6299, 2008)
A pore-scale model based on measured particle size distributions has been used to quantify the changes in pore space geometry
of packed soil columns resulting from a dilution in electrolyte concentration from 500 to 1 ...
Mineralogical appraisal of sediments of duricrust suites and pans around Jwaneng area, Botswana
(Bioline http://www.bioline.org, 2007)
A mineralogical investigation of duricrust suites in Letlhakeng valley, and five pans around
Jwaneng in Botswana was undertaken in order to know the mineral assemblages and infer on their landscape formation. In Letlhakeng, ...
Instruments for sustainable solid waste management in Botswana
(Sage http://wmr.sagepub.com/cgi/content/abstract/19/4/342, 2001)
Sustainable solid waste management is a strategy for
achieving environmental quality in both the developed and the developing world. Environmental quality is a necessary condition for an increase in per capita welfare
over ...
Use of the geochemical and biological sedimentary record in establishing palaeo-environments and climate changein the Lake Ngami basin, NW Botswana
(Elsevier, www.sciencedirect.com, 2006)
Sediment samples from a continuous 4.6m profile in the dry bed of Lake Ngami in NW Botswana were analysed for geochemistry and
dated using both 14C and TL methods. Certain units in the profile were found to be diatom rich ...
Cultural tourism and livelihood diversification: The case of Gcwihaba Caves and XaiXai village in the Okavango Delta, Botswana
(Taylor and Francis http://dx.doi.org/10.1080/14766820902829551, 2009)
This paper uses the livelihoods framework to analyse how cultural tourism can diversify
livelihoods at XaiXai village in the Okavango Delta, Botswana. Both primary and
secondary data sources were used in this study. ...
Rainfall interpolation using a remote sensing CCD data in a tropical basin – A GIS and geostatistical application
(Elsevier, www.elsevier.com/locate/pce, 2007)
This paper is aimed at developing a geostatistical model to improve interpolated annual and monthly rainfall variation using remotely-
sensed cold cloud duration (CCD) data as a background image. The data set consists of ...