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5G mobile communication applications: a survey and comparison of use cases

Erunkulu, Olaonipekun Oluwafemi; Zungeru, Adamu Murtala; Lebekwe, Caspar K.; Mosalaosi, Modisa; Chuma, Joseph (IEEE, 2021-07)

The mobile demands and future business context are anticipated to be resolved by the fifth-generation (5G) of mobile communication systems. It is expected to provide an utterly mobile device, connected society, and support ...
Acceptance rate and risk perception towards the COVID-19 vaccine in Botswana

Tlale, Lebapotswe B; Gabaitiri, Lesego; Totolo, Lorato K; Smith, Gomolemo; Puswane-Katse, Orapeleng; Ramonna, Eunice; Mothowaeng, Basego; Tlhakanelo, John; Masupe, Tiny; Rankgoane-Pono, Goabaone; Irige, John; Mafa, Faith; Kolane, Samuel (Public Library of Science, 2022-02-04)

The COVID-19 disease burden continues to be high worldwide and vaccines continue to be developed to help combat the pandemic. Acceptance and risk perception for COVID-19 vaccines is unknown in Botswana despite the government's ...
Acculturative stress and disengagement: learning from the adjustment challenges faced by East Asian International Graduate Students

Lyken-Segosebe, D. E (Sciedu Press, 2017-12)

International graduate students meet TOEFL, GPA, and other admissions criteria to gain entry into US colleges and universities. During their stay in the USA, they provide educational and economic contributions for their ...
Accumulation of heavy metals and bacteriological indicators in spinach irrigated with further treated secondary wastewater

Letshwenyo, Moatlhodi Wise; Mokokwe, Gobusaone (Elsevier B.V., 2020-10)

Shortage of water for agriculture has resulted in the need to explore the use of wastewater for irrigation, however this can pose a health problem to the people emanating from the produced food as a result of the accumulation ...
Activation of samples in the secondary neutron flux generated with a 66 MeV proton beam on a radionuclide production target

Motetshwane, Mogakolodi Adolf (Botswana International University of Science and Technology, 2019-02)

In this work, a small activation chamber was specially designed to facilitate the irradiation of selected samples with secondary neutrons behind a radionuclide production target in the vertical-beam target station (VBTS) ...
Active role of learning institutions in promoting Fourth Industrial Revolution (4IR)

Gwangwava, Norman (Botswana International University of Science and Technology, 2019-06)

Industrial revolution has gone through four phases denoted as the 1st industrial revolution (industry 1.0) through the 4th industrial revolution (4IR or industry 4.0). The 4th industrial revolution is taking place in the ...
Adsorption of lead ions from wastewater using nano silica spheres synthesized on calcium carbonate templates

Manyangadze, Milton; Chikuruwo, Mary Nyaradzayi Hughslar; Narsaiah, Tumma Bala; Chakra, Ch Shilpa; Charis, Gratitude; Danha, Gwiranai; Mamvura, Tirivaviri Augustine (Elsevier B.V., 2020-11)

Lead is a heavy metal that is bio accumulative and non-biodegradable that poses a threat to our health when it exists in excess in our bloodstream. It has found its way into wastewater from mostly chemical industrial ...
Adsorptive removal of heavy metals from wastewater using brick waste and copper smelter slag as low cost adsorbents

Mokokwe, Gobusaone (Botswana International University of Science and Technology (BIUST), 2022-08)

The industrial effluents contain substantial amounts of toxic heavy metal ions which pollutes surface water and groundwater. In this study, the adsorptive removal of copper, iron and nickel ions from wastewater using ...
Advances in nanoscale study of organomineral complexes of termite mounds and associated soils: A systematic review

Eze, Peter N.; Kokwe, Atlasaone; Eze, Juliet U (Hindawi, 2020-03-19)

Termite mounds are replete with natural nanoparticles, and they vary in physicochemical, geochemical, mineralogical, and biological properties from the adjoining soils. Although termite mounds have wide ecological and ...
Age of the oldest known Homo sapiens from eastern Africa

Vidal, Celine M; Lane, Christine S; Asrat, Asfawossen; Barfod, Dan N; Mark, Darren F; Tomlinson, Emma L; Tadesse, Amdemichael Zafu; Yirgu, Gezahegn; Deino, Alan; Hutchison, William; Mounier, Aurélien; Oppenheimer, Clive (Springer Nature Limited, 2022-01-12)

Efforts to date the oldest modern human fossils in eastern Africa, from Omo-Kibish1,2,3 and Herto4,5 in Ethiopia, have drawn on a variety of chronometric evidence, including 40Ar/39Ar ages of stratigraphically associated ...
Age structured mixture model for early COVID-19 spread: a Zimbabwean risk factor analysis

Zidana, Chipo; Gudoshava, Masilin; Showa, Sarudzai Portia (Modestum Publishing LTD, 2020-07-13)

Unique severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2/COVID-19) prevention measures to distinct age, geographical and community groupings can only be effectively and efficiently implemented with a clear ...
Airblast prediction in a blasting operation using artificial intelligence

Gaopale, Kesalopa; Jamisola, Rodrigo S.; Seitshiro, Itumeleng (Botswana International University of Science and Technology (BIUST), 2019-06)

This paper presents the use of artificial neural network (ANN) to predict airblast that is induced by blasting in a diamond mine. A total of 94 blasting datasets were used to develop and train the ANN models using ...
Algorithm for compressing/decompressing Sudoku grids

Nedev, Zhivko; Zungeru, Adamu Murtala; Khov, Suykhun; Dy, Daravisal; Sov, Kimkhung (Science publications, 2020-11)

We describe a way to transfer efficiently Sudoku grids through the Internet. This is done by using linearization together with compression and decompression that use the information structure present in all sudoku grids. ...
Anaerobic treatment of opaque beer wastewater with enhanced biogas recovery through Acti-zyme bio augmentation

Manyuchi, Musaida Mercy; Mbohwa, Charles; Muzenda, Edison (Institution of Chemical Engineers ,Published by Elsevier, 2018-12)

This study investigates the potentially of biologically treating opaque beer wastewater using the bio augmentation technology at the same time harnessing biogas and bio solids as value added products. Wastewater sample ...
Analysis and optimization of auto-correlation based frequency offset estimation

Ngebani, I.M.; Chuma, Joseph Monamati; Masupe, S. (South Africa Institute of Electrical Engineers, 2015-09)

In this letter, a general auto-correlation based frequency offset estimation (FOE) algorithm is analyzed. An approximate closed-form expression for the Mean Square Error (MSE) of the FOE is obtained, and it is proved that, ...
Analysis of microseismicity and hazard assesment of the Selibe phikwe cu-ni mine (BCL), Botswana

Hengari, Amogelang (Botswana International University of Science and Technology (BIUST), 2024-02-11)

Seismic Monitoring is a technique that uses vibration monitors in the detection and analysis of dynamic stress waves, generated from failure of rock mass. This technique was applied at the Selibe-Phikwe Cu-Ni mine (BCL) ...
Analysis of the axisymmetric far wake

Yane, Tshepho; Narayana Rao, Subas Chandar (Botswana International University of Science and Technology, 2017-06)

The axisymmetric turbulent far wake of a long slender cylinder is being studied. Classical analytical solutions describing the wake width and the velocity defect are presented. The governing equations have been solved with ...
Analysis of the mitigation strategies for COVID-19: from mathematical modelling perspective

Kassa, Semu Mitiku; Njagarah, John Boscoh Hatson; Terefe, Yibeltal Adane (Elsevier, 2020-09)

In this article, a mathematical model for the transmission of COVID-19 disease is formulated and analysed. It is shown that the model exhibits a backward bifurcation at R0=1 when recovered individuals do not develop a ...
Anti-poaching system using wireless sensors network

Yahya, Abid; Bogaisang, Karabo D.; Gamoshe, Odirile G.; Maina, Dennis M. (Botswana International University of Science and Technology (BIUST), 2019-06)

Pertaining technology advancement, several innovations have been implemented in the wireless sensors networks ﬁeld. This research seeks to facilitate innovation of a wireless network monitoring system that will be more ...
Antibacterial activity of 2-Picolyl-polypyridyl-based Ruthenium (II/III) complexes on non-drug-resistant and drug-resistant bacteria

Matshwele, James T. P.; Odisitse, Sebusi; Mapolelo, Daphne; Leteane, Melvin; Julius, Lebogang G.; Nkwe, David O.; Nareetsile, Florence (Hindawi, 2021-05-21)

A new hexadentate 2-picolyl-polypyridyl-based ligand (4, 4’-(butane-1, 4-diylbis(oxy))bis(N, N-bis(pyridin-2-ylmethyl)aniline)) (2BUT) (1) and its corresponding Ru(II/III) complexes were synthesized and characterized, ...

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