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The Okwa basement complex, western Botswana: U–Pb zircon geochronology and implications for Eburnean processes in southern Africa
(Elsevier Ltd. www.elsevier.com/locate/jafrearsci, 2006)
The Okwa Basement Complex crops out at the northwestern edge of the Kaapvaal craton within the Okwa Inlier, an isolated exposure
of Precambrian basement in the Kalahari Desert. New U–Pb zircon dating was performed on all ...
Prenylated flavonoids and other constituents from the twigs of Dorstenia angusticornis (Moraceae)*
(Elsevier Ltd. www.elsevier.com/locate/biochemsyseco, 2005-06-18)
Dorstenia (Moraceae) is a mainly tropical genus of some 170 species (Mabberley,
1987). There are 23 species in Cameroon where a decoction of the leaves is
administered for the treatment of cough, headache and stomach ...
Isoflavonoids from Seeds of Millettia griffoniana (Bail), 15
(Verlag der Zeitschrift fu¨r Naturforschung, Tu¨bingen · http://znaturforsch.com, 2005)
Three new isoflavonoids, griffonianone F, G and H were isolated from the seeds of Millettia griffoniana,
along with the known prebarbigerone, pseudobaptigenin, pseudobaptigenin methyl ether,
tephrosin, dipterixine, ...
Genesis of sediment-hosted stratiform copper–cobalt deposits, central African Copperbelt
(Elsevier www.elsevier.com/locate/jafrearsci, 2005)
The Neoproterozoic central African Copperbelt is one of the greatest sediment-hosted stratiform Cu–Co provinces in the world, totalling
140 Mt copper and 6 Mt cobalt and including several world-class deposits (P10 Mt ...
Shallow seismic refraction and magnetic studies at Lake Ngami, The Okavango Delta, Northwest Botswana
(Elsevier www.elsevier.com/locate/jafrearsci, 2007)
A seismic refraction analysis was carried out on data acquired on an 8.5 km profile at Lake Ngami, NW Botswana, to determine the
structure and stratigraphy underlying the lake. The seismic spread comprised a 48-channel ...
Influence of seasonal flooding on soil total nitrogen, organic phosphorus and microbial populations in the Okavango Delta, Botswana
(Journal of Arid Environments. http://www.elsevier.com/wps/find/journaldescription.cws_home/622855/description#description, 2003)
The effect of flooding on soil total nitrogen, phosphorus and microbial
population in different vegetation zones (floodplain, island and woodland)
and profile depth (0?1, 0?5, 2?0, 3?0, 4?0 and 5?0m) of the Okavango ...
Fault-Plane Solutions of the 18 May 2001 earthquake in South Africa near Botswana border
(Botswana Geoscientists Association, 2005-12)
Fault-plane solutions of an earthquake can provide information about the type of fault. We report on the calculation of the
fault-plane solutions of the earthquake that occurred on the morning of 18 May 2001 and was felt ...
Teachers’ experiences with an adapted IGCSE physics syllabus in Botswana
(Elsevier, www.elsevier.com/locate/ijedudev, 2005)
This paper focuses on teachers’ experiences with implementing a modified International General Certificate of
Secondary Education (IGCSE) physics syllabus in Botswana. The syllabus, characterised by a new organisational ...
The current-induced critical field of a type II superconducting cylindrical filament
(Elsevier Science Ltd. www.elsevier.com/locate/physc, 2002-08-15)
The azimuthal surface nucleation field of an infinitely long type II superconducting cylindrical filament is calculated
from the linearized Ginzburg-Landau equation for the order parameter. A current is thought to be ...
Thermal analysis and annealing temperature dependence of electrical properties in Sn10Sb20Se70 glassy semiconductor
(Springer Netherlands, 2008)
The melt-quenched Sn10Sb20Se70 sample in the
bulk form was used to prepare films on well-cleaned glass
substrates by thermal evaporation method. The activation
energy for glass transition (apparent) and crystallization
has ...