Faculty of Science: Recent submissions
Now showing items 41-60 of 381
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The P wavespeed structure below and around the Kaapvaal craton to depths of 800 km, from traveltimes and waveforms of local and regional earthquakes and mining-induced tremors
(Oxford University Press, https://academic.oup.com/gji, 2002-10-01)An average P-wavespeed model from the surface to depths of 800 km was derived for southern Africa using traveltimes and waveforms from earthquakes recorded at stations of the Kaapvaal and South African National networks. ... -
Identification of sources of aerosol particles in three locations in eastern Botswana
(American Geophysical Union, https://agupubs.onlinelibrary.wiley.com/journal/21562202, 2000-07-27)Airborne particles have been collected using a dichotomous virtual impactor at three different locations in the eastern part of Botswana: Serowe, Selibe‐Phikwe, and Francistown. The particles were separated into two fractions ... -
Antibacterial activity of crude extracts and pure compounds isolated from Vernonia galamensis leaves
(Academic Journals, https://academicjournals.org/journal/AJPP, 2018-03-22)The aim of this study was to test the antibacterial property of the extract of the leaves and isolated compounds of Vernonia galamensis that is traditionally claimed to have diverse medicinal use. The disk diffusion method ... -
Effect of erythrinaline alkaloids from Erythrina lysistemon on human recombinant caspase-3
(Academic Journals, https://academicjournals.org/, 2018-04-22)Prostate cancer is a leading killer disease among men all over the world. Inducing apoptosis (programmed cell death) is a strategic chemotherapeutic approach. Caspase-3 is a key effector of apoptosis, and its activation ... -
Mantle structure beneath the incipient Okavango rift zone in southern Africa
(The Geological Society of America, https://pubs.geoscienceworld.org/, 2107-02-01)Numerous investigations of the mature segments of the East African rift system (EARS) have significantly improved our understanding of the structure and processes associated with well-developed continental rifts. In contrast, ... -
Elemental concentrations of aerosols in the city of Gaborone
(Infogain Publication, https://ijeab.com/, 2107-03)This paper presents aerosol studies carried out in Gaborone, the capital city of Botswana. The Gaborone aerosol is varied consisting of elements from Si to Au. Traffic contribution to the aerosol of Botswana is clearly ... -
Geophysical and hydrogeological groundwater prospectivity mapping in the Kraaipan Granite-Greenstone Terrain, Southeast Botswana
(Scientific Research Publishing Inc., https://www.scirp.org/journal/jwarp/, 2017-10)Application of regional geophysical methods for hydrogeological purposes has increased over the last two decades especially in arid and semi-arid areas. A project to map the Kraaipan granite-greenstone terrain in southeast ... -
Measurement of breakdown electric field strength for vegetation and hydrocarbon flames
(Scientific Research Publishing Inc., https://www.scirp.org/, 2018)A significant number of fire-induced power disruptions are observed in several countries every year. The faults are normally phase-to-phase short circuiting or conductor-to-ground discharges at mid-span region of the ... -
Characterization of soils in the Gamodubu landfill area in the Kweneng District, Botswana
(International Scholars Journals, http://internationalscholarsjournals.org/journal/ajss/home, 2019-01)Understanding soil attributes guides arable farming initiatives in many countries, especially developing countries. In this study, soils of the Gamodubu area, in the Kweneng District, Botswana, were analysed to determine ... -
Assessment of the concentration of heavy metals associated with landfill leachate in Gamodubu soils in the Kweneng District, Botswana
(International Scholars Journals, http://internationalscholarsjournals.org/journal/ajss/home, 2019-01)Composting is a common method of household waste in developing countries such as Botswana. However, compost can introduce heavy metals which are harmful to the environment. High concentrations of heavy metals are toxic ... -
Impact and control of desertification in the drylands: a review article
(International Society for Development and Sustainability (ISDS), Japan. https://isdsnet.com/ijds.html, 2018)The inherent variation in the impacts of desertification and the criteria and methods used for its control significantly influence the success of its combat. This paper provides a critical review of the empirical studies ... -
A unified approach to integration theory
(International Journal of Applied Physics and Mathematics, www.ijapm.org/, 2019-01)We investigate the common features and the resemblance of the central parts of the different existing integration theories to obtain a more unified approach to the notion of integral. Our approach gives a presentation of ... -
Analysis of genetic diversity of Cercospora beticola isolates from Swiss chard in Southern Botswana
(Allied Journals, https://www.ijbio.com/, 2018)Cercospora Leaf Spot (CLS) of Swiss chard (Beta vulgaris L. var. cicla) remains an important foliar disease worldwide, yet the causative agent Cercospora beticola genetic variability remains incompletely understood in ... -
Antibacterial and antioxidant potential of Albizia anthelmintica as a medicinal plant on pathogenic veterinary isolates
(Academic Journals, https://academicjournals.org/, 2018-11-10)Albizia anthelmintica is a medicinal plant belonging to the Fabaceae family. It is widely used by smallholder farmers and pastoralists to treat internal parasites in their livestock. This study aimed to determine the ... -
Impact of desertification on livelihoods in Katsina State, Nigeria
(Center for Promoting Ideas (CPI), USA., http://www.jalsnet.com/, 2018-06)Is one of the overwhelming environmental problems in Katsina State where 75% of its nearly 6 million people on a 24,192 km2 of land depend on agriculture. Few studies have been undertaken to enhance the state of knowledge ... -
Land use, rangeland degradation and ecological changes in the southern Kalahari, Botswana
(John Wiley & Sons Ltd., https://onlinelibrary.wiley.com/, 2016-02-09)Dual‐scale analyses assessing farm‐scale patterns of ecological change and landscape‐scale patterns of change in vegetation cover and animal distribution are presented from ecological transect studies away from waterpoints, ... -
Inappropriate use of agrochemicals poses potential threats to Botswana vultures: a call for research and legal instruments
(The Botswana Society, http://journals.ub.bw/index.php/bnr/index, 2017)Agrochemicals are widely used across the world to serve different purposes. However, inappropriate use of agrochemicals affects wildlife particularly non-target species such as vultures. In this paper, we discuss the ... -
Volumetric properties of (Difurylmethane + an Amide) binary mixtures at 293.15K, 298.15K and 303.15 K
(Science Publishing Group, http://www.ajphyschem.org/, 2017-04)Densities (ρ) of pure difuryl methane (DFM), N-methylformamide (NMF), N-ethylformamide (NEF), N,N-dimethylformamide (DMF) and N,N-dimethylacetamide (DMA) and those of [DFM + (NMF or NEF or DMF or DMA] binary mixtures over ... -
Oyster mushrrom cultivation at different production systems: a review
(Dr. Petkova V., http://www.ejbps.com/, 2018-05)This paper aims to review historical perspectives, nutritional and medicinal benefits, biodiversity, cultivation, diseases and their control, pathogen detection systems, food safety concerns and use of spent mushroom compost ... -
Antibacterial and antioxidant potential of Albizia anthelmintica as a medicinal plant on pathogenic veterinary isolates
(Academic Journals, https://academicjournals.org/journal/JMPR, 2018-11-10)Albizia anthelmintica is a medicinal plant belonging to the Fabaceae family. It is widely used by smallholder farmers and pastoralists to treat internal parasites in their livestock. This study aimed to determine the ...