Botswana International University of Science & Technology

Research Output 1970 2020

63 Citations (Scopus)

Adsorption and interfacial electron transfer of Saccharomyces cerevisiae yeast cytochrome c monolayers on Au(111) electrodes

Hansen, A. G., Boisen, A., Nielsen, J. U., Wackerbarth, H., Chorkendorff, I., Andersen, J. E. T., Zhang, J. & Ulstrup, J., Apr 15 2003, In : Langmuir. 19, 8, p. 3419-3427 9 p.

Research output: Contribution to journalArticle

saccharomyces
cytochromes
yeast
Cytochromes c
Yeast

Adsorption Calculations and Modeling Adsorption Calculations and Modeling

Onyango, M. S., Kojima, Y., Matsuda, H. & Ochieng, A., 2003, In : Journal of Chemical Engineering of Japan. 36, 12, p. 1516-1522

Research output: Contribution to journalArticle

434 Citations (Scopus)

Adsorption equilibrium modeling and solution chemistry dependence of fluoride removal from water by trivalent-cation-exchanged zeolite F-9

Onyango, M. S., Kojima, Y., Ochieng, A., Bernardo, E. C. & Matsuda, H., 2004, In : Journal of Colloid and Interface Science. 279, 2, p. 341-350 10 p.

Research output: Contribution to journalArticle

Open Access
Zeolites
Fluorides
Cations
Positive ions
Isotherms
45 Citations (Scopus)

Adsorption Kinetics of Arsenic Removal from Groundwater by Iron-Modified Zeolite

Onyango, M. S., Kojima, Y., Matsuda, H. & Ochieng, A., 2003, In : Journal of Chemical Engineering of Japan. 36, 12, p. 1516-1522

Research output: Contribution to journalArticle

Zeolites
Arsenic
Groundwater
Iron
Adsorption

Adsorption of Fluoride on Limestone-Derived Apatite: Equilibrium and Kinetics

Murutu, C., Onyango, M. S., Ochieng, A. & Otieno, F., 2012, Sustainable Policy Applications for Social Ecology and Development. Carayannis, E. G. (ed.). IGI Global, p. 128-138 11 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Apatites
Calcium Carbonate
Fluorides
Adsorption
Kinetics
47 Citations (Scopus)

Adsorption of hexavalent chromium onto magnetic natural zeolite-polymer composite

Mthombeni, N. H., Onyango, M. S. & Ochieng, A., 2015, In : Journal of the Taiwan Institute of Chemical Engineers. p. 242-251

Research output: Contribution to journalArticle

Open Access
Natural polymers
Zeolites
Isotherms
Chromium
Polypyrroles

Adsorption of zinc and Iron from acidic industrial effluent using basic oxygen furnace slag

Falayi, T. & Ntuli, F., 2018, p. 1-5. 5 p.

Research output: Contribution to conferencePaper

Open Access
Basic oxygen converters
Slags
Zinc
Effluents
Iron

Adsorptive removal of V(V) ions using clinoptilolite modified with polypyrrole and iron oxide nanoparticles in column studies

Mthombeni, N. H., Mbakop, S., Ochieng, A. & Onyango, M. S., 2018, In : MRS Advances. p. 1-9

Research output: Contribution to journalArticle

Adsorbents
Ions
Nanoparticles
Electron microscopes
Pyrroles
1 Citation (Scopus)

Advanced control strategy for NOx reduction in forced unsteady-state reactors

Iancu, M., Botar, C. C. & Agachi, P. S., 2013, In : Computer Aided Chemical Engineering. 32, p. 997-1002 6 p.

Research output: Contribution to journalArticle

Model predictive control
Catalyst activity
Chemical reactivity
Selective catalytic reduction
Exothermic reactions
2 Citations (Scopus)

Advanced control used for counteracting accidental pollutant propagation in rivers

Cristea, V. M., Ani, E. C. & Agachi, P. S., Jun 20 2013, In : Computer Aided Chemical Engineering. 32, p. 1003-1008 6 p.

Research output: Contribution to journalArticle

Rivers
Model predictive control
Turbulence models
Discharge (fluid mechanics)
Simulators

Advanced Process Engineering Control

Agachi, P. S., Cristea, V. M., Csavdari, A. A. & Szilágyi, B., 2018, Walter de Gruyter GmbH & Co. KG. 344 p.

Research output: Book/ReportBook

Process engineering
Chemical engineering
Control systems
Process control
Logistics
1 Citation (Scopus)

Advances in opportunistic scheduling in IEEE 802.16 WiMAX for aeronautical communication networks

Luza, T., Zungeru, A. M., Yahya, A., Chuma, J. & Sundarajan, S., 2018, In : International Review of Aerospace Engineering. 11, 5, p. 201-212 12 p.

Research output: Contribution to journalArticle

Telecommunication networks
Scheduling
Quality of service
Scheduling algorithms
Communication
13 Citations (Scopus)

Aeromagnetic, gravity, and Differential Interferometric Synthetic Aperture Radar analyses reveal the causative fault of the 3 April 2017 M-w 6.5 Moiyabana, Botswana, earthquake

Kolawole, F., Atekwana, E. A., Malloy, S., Stamps, D. S., Grandin, R., Abdelsalam, M. G., Leseane, K. & Shemang, E. M., 2017, In : Geophysical Research Letters. 44, 17, p. 8837-8846 10 p.

Research output: Contribution to journalArticle

Botswana
synthetic aperture radar
earthquakes
gravity
gravitation
31 Citations (Scopus)

Aerosol climatology over South Africa based on 10 years of Multiangle Imaging Spectroradiometer (MISR) data

Tesfaye, M., Sivakumar, V., Botai, J. & Mengistu Tsidu, G., Jan 1 2011, In : Journal of Geophysical Research Atmospheres. 116, 20, D20216.

Research output: Contribution to journalArticle

MISR
spectroradiometers
Climatology
climatology
Republic of South Africa
13 Citations (Scopus)

Aerosol measurements over south Africa using satellite, sun-photometer and lidar

Sivakumar, V., Tesfaye, M., Alemu, W., Sharma, A., Bollig, C. & Mengistu, G., Jan 1 2010, Advances in Geosciences: Volume 16: Atmospheric Science (AS). World Scientific Publishing Co., p. 253-262 10 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

photometer
lidar
aerosol
ground-based measurement
stratosphere

A Farmyard Access Control System and Method

Zungeru, A. M., Chuma, J. M., Mangwala, M. & Tlaang, K., Jun 2018, IPC No. G07C 9/00 (2006.01, Patents Scope, Dec 22 2016

Research output: Patent

Open Access
Access control
Control systems
Sensors
Animals
Enclosures
3 Citations (Scopus)
Open Access
5 Citations (Scopus)
Modeling and Simulation
Wireless Sensor Networks
Wireless sensor networks
Energy Consumption
Energy utilization

African emerging small towns: Assessing the changing environment due to urban growth

Akinyemi, F. O. & Nzakamwita, J. M., 2014. 14 p.

Research output: Contribution to conferencePaper

Open Access
small town
urban growth
land management
land use
overcrowding
1 Citation (Scopus)

A FSI model on the casson fluid flow through an elastic stenosed artery

Shaw, S., Pradhan, S. C. & Murthy, P. V. S. N., Dec 1 2012, In : International Journal of Fluid Mechanics Research. 39, 6, p. 521-534 14 p.

Research output: Contribution to journalArticle

fluid-solid interactions
arteries
fluid flow
Shear stress
Flow of fluids
7 Citations (Scopus)

A fundamental investigation on the breakage of a bed of silica sand particles: An attainable region approach

Danha, G., Legodi, D., Hlabangana, N., Bhondayi, C. & Hildebrandt, D., Nov 1 2016, In : Powder Technology. 301, p. 1208-1212 5 p.

Research output: Contribution to journalArticle

Silica sand
Steel
Silicon Dioxide
Silica
Comminution

A fuzzy logic approach to the control of the drying process

Baldea, M., Cristea, V. M. & Agachi, P. S., Jan 1 2002, In : Hungarian Journal of Industrial Chemistry. 30, 3, p. 167-170 4 p.

Research output: Contribution to journalArticle

Fuzzy logic
Drying
Electric insulators
Air
Three term control systems
7 Citations (Scopus)

A fuzzy model for high-speed railway tunnel convergence prediction in weak rock

Adoko, A. C., Zuo, Q. J. & Wu, L., Dec 1 2011, In : Electronic Journal of Geotechnical Engineering. 16 Q, p. 1275-1295 21 p.

Research output: Contribution to journalArticle

weak rock
Tunnels
tunnel
Rocks
prediction
8 Citations (Scopus)

Age-accumulation of fluoride in an experimental population of short-tailed field voles (Microtus agrestis L.)

Boulton, I., Cooke, J. & Johnson, M., Sep 1 1994, In : Science of the Total Environment, The. 154, 1, p. 29-37 9 p.

Research output: Contribution to journalArticle

Nutrition
Fluorides
fluoride
diet
suckling
4 Citations (Scopus)

Age and growth of sharptooth catfish, Clarias gariepinus (Burchell, 1822) (Clariidae), in the Lower Okavango Delta, Botswana

Bokhutlo, T., Weyl, O. L. F., Mosepele, K. & Wilson, G. G., Jan 1 2015, In : Marine and Freshwater Research. 66, 5, p. 420-428 9 p.

Research output: Contribution to journalArticle

Clariidae
Clarias gariepinus
Botswana
catfish
otolith
125 Citations (Scopus)

A general approach to crystalline and monomodal pore size mesoporous materials

Poyraz, A. S., Kuo, C-H., Biswas, S., King'ondu, C. K. & Suib, S. L., 2013, In : Nature Communications. 4

Research output: Contribution to journalArticle

15 Citations (Scopus)

A Generalized Steepest Descent Approximation for the Zeros of m-Accretive Operators

Chidume, C. E., Zegeye, H. & Ntatin, B., Aug 1 1999, In : Journal of Mathematical Analysis and Applications. 236, 1, p. 48-73 26 p.

Research output: Contribution to journalArticle

M-accretive Operator
Steepest Descent
Fixed point
Converge
Necessary Conditions
54 Citations (Scopus)

A geochemical perspective on charnockite magmatism in Peninsular India

Rajesh, H. M., Nov 1 2012, In : Geoscience Frontiers. 3, 6, p. 773-788 16 p.

Research output: Contribution to journalArticle

charnockite
magmatism
granulite
granodiorite
quartz
18 Citations (Scopus)

Age of ferroan A-type post-tectonic granitoids of the southern part of the Keimoes Suite, Northern Cape Province, South Africa

Bailie, R., Gutzmer, J., Rajesh, H. M. & Armstrong, R., May 1 2011, In : Journal of African Earth Sciences. 60, 3, p. 153-174 22 p.

Research output: Contribution to journalArticle

craton
granite
zircon
tectonics
outcrop
1 Citation (Scopus)

A geomorphological characterisation of river systems in South Africa: A case study of the Sabie River

Eze, P. N. & Knight, J., Jun 1 2018, In : Physics and Chemistry of the Earth. 105, p. 196-205 10 p.

Research output: Contribution to journalArticle

Open Access
Republic of South Africa
rivers
river system
Rivers
river

A geophysical investigation of the structural controls along the southern margin of Lake Ngami, northwestern Botswana using seismic refraction and DC resistivity

Shemang, E. M., Molwalefhe, L. N. & Mosweu, E., 2007, Environmental and Engineering Geophysical Society - 20th, SAGEEP 2007: Geophysical Investigation and Problem Solving for the Next Generation. Vol. 1. p. 498-506 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Botswana
structural control
seismic refraction
Refraction
lakes
6 Citations (Scopus)

A GIS-based procedure for downscaling climate data for West Africa

Akinyemi, F. O. & Adejuwon, J. O., 2008, In : Transactions in GIS. 12, 5, p. 613-631 19 p.

Research output: Contribution to journalArticle

Open Access
downscaling
general circulation model
GIS
climate
crop yield

A GIS Database Design for Urban Poverty Management

Akinyemi, F. O., 2001, p. 1-9. 9 p.

Research output: Contribution to conferencePaper

Open Access
poverty
international organization
information technology
targeting
aid
2 Citations (Scopus)

A global existence result for quasi-linear parabolic equations

McLeod, K. & Milani, A., Jan 1 1990, In : Communications in Partial Differential Equations. 15, 4, p. 557-594 38 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

A hybrid approximation method for equilibrium, variational inequality and fixed point problems

Zegeye, H. & Shahzad, N., Nov 1 2010, In : Nonlinear Analysis: Hybrid Systems. 4, 4, p. 619-630 12 p.

Research output: Contribution to journalArticle

Fixed Point Problem
Banach spaces
Hybrid Method
Approximation Methods
Variational Inequalities
21 Citations (Scopus)
Iteration Scheme
Fixed Point Problem
Variational Inequality Problem
Banach spaces
Equilibrium Problem
37 Citations (Scopus)

A hybrid scheme for finite families of equilibrium, variational inequality and fixed point problems

Zegeye, H. & Shahzad, N., Jan 1 2011, In : Nonlinear Analysis, Theory, Methods and Applications. 74, 1, p. 263-272 10 p.

Research output: Contribution to journalArticle

Fixed Point Problem
Variational Inequalities
Banach spaces
Monotone Mapping
Fixed Point Set

A hydrodynamic study of nickel suspension in stirred tanks

Ochieng, A., 2005, 193 p.

Research output: Other contribution

Open Access
Hydrodynamics
Nickel
Computational fluid dynamics
Computer simulation
Liquids

Air leakage and recirculation behavior under the influence of booster fans

Feledi, K. & Gillies, S., 2015, 2015 SME Annual Conference and Expo and CMA 117th National Western Mining Conference - Mining: Navigating the Global Waters. Society for Mining, Metallurgy and Exploration, p. 116-119 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Leakage (fluid)
Fans
ventilation
leakage
air

A kinetic and thermodynamic study of sulphate removal from AMD using fly ash

Ntuli, F., Falayi, T. & Mabatho, M., 2014, p. 259-266. 8 p.

Research output: Contribution to conferencePaper

Coal Ash
Sulfates
Thermodynamics
Ions
Adsorption
2 Citations (Scopus)

A knowledge identification framework for the engineering of ontologies in system composition processes

Gillespie, M. G., Hlomani, H., Kotowski, D. & Stacey, D. A., 2011, Proceedings of the 2011 IEEE International Conference on Information Reuse and Integration, IRI 2011. p. 77-82 6 p. 6009524

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ontology
Chemical analysis
Knowledge representation
Intelligent systems
Syntactics
14 Citations (Scopus)

A laboratory scale application of the attainable region technique on a platinum ore

Danha, G., Hildebrandt, D., Glasser, D. & Bhondayi, C., Apr 1 2015, In : Powder Technology. 274, p. 14-19 6 p.

Research output: Contribution to journalArticle

Platinum
Ores
Barreling
Comminution
Ball mills
7 Citations (Scopus)

Alcohol dehydrogenase gene ADH3 activates glucose alcoholic fermentation in genetically engineered Dekkera bruxellensis yeast

Schifferdecker, A. J., Siurkus, J., Andersen, M. R., Joerck-Ramberg, D., Ling, Z., Zhou, N., Blevins, J. E., Sibirny, A. A., Piškur, J. & Ishchuk, O. P., 2016, In : Applied Microbiology and Biotechnology. 100, 7, p. 3219-3231 13 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
Accretive Mapping
Strictly Pseudocontractive Mapping
Variational Inequality Problem
Nonlinear Operator
Common Fixed Point
4 Citations (Scopus)

Aligning an engineering education program to the Washington Accord requirements: Example of the University of Botswana

Oladiran, M. T., Pezzotta, G., Uziak, J. & Gizejowski, M., Jan 1 2013, In : International Journal of Engineering Education. 29, 6, p. 1591-1603 13 p.

Research output: Contribution to journalArticle

Botswana
Engineering education
engineering
Accreditation
education

Almost global existence of solutions of quasi‐linear hyperbolic equations

Milani, A. J. & Brosowski, B., Jan 1 1989, In : Mathematical Methods in the Applied Sciences. 11, 1, p. 65-70 6 p.

Research output: Contribution to journalArticle

Quasilinear Hyperbolic Equation
Initial value problems
Global Existence
Existence of Solutions
Hyperbolic Problems

Almost global strong solutions to quasilinear dissipative evolution equations

Milani, A., Jan 1 2009, In : Chinese Annals of Mathematics. Series B. 30, 1, p. 91-110 20 p.

Research output: Contribution to journalArticle

Dissipative Equations
Strong Solution
Global Existence
Existence Results
Evolution Equation

Almost-periodic solutions to quasilinear evolution equations with a nonlocal nonlinearity

Milani, A. & Pinter, G., Aug 2006, In : Mathematical Methods in the Applied Sciences. 29, 12, p. 1411-1422 12 p.

Research output: Contribution to journalArticle

Almost Periodic Solution
Quasilinear Equations
Existence and Uniqueness Results
Evolution Equation
Nonlinearity