Botswana International University of Science & Technology

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2 Citations (Scopus)
21 Citations (Scopus)

On the flow of a class of viscoinelastic-viscoplastic fluids in tubes of non-circular contour

Letelier, M. F. & Siginer, D. A., Nov 1 2007, In : International Journal of Engineering Science. 45, 11, p. 873-881 9 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

On the fully developed tube flow of a class of non-linear viscoelastic fluids

Letelier, M. F. & Siginer, D. A., May 1 2005, In : International Journal of Non-Linear Mechanics. 40, 4, p. 485-493 9 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

On the genus of elliptic fibrations

Gatsinzi, J. B., Feb 2004, In : Proceedings of the American Mathematical Society. 132, 2, p. 597-606 10 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

On the laminar free convection and instability of grade fluids in enclosures

Siginer, D. A. & Valenzuela-Rendón, A., Sep 15 2000, In : International Journal of Heat and Mass Transfer. 43, 18, p. 3391-3405 15 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

On the method of alternating resolvents

Boikanyo, O. A. & Moroanu, G., Oct 1 2011, In : Nonlinear Analysis, Theory, Methods and Applications. 74, 15, p. 5147-5160 14 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
8 Citations (Scopus)

On the physics of viscoplastic fluid flow in non-circular tubes

Letelier, M. F., Siginer, D. A. & Hinojosa, C. B., Jan 1 2017, In : International Journal of Non-Linear Mechanics. 88, p. 1-10 10 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

On the possibility to improve the performance of flow injection analysis by deconvolution of spectrophotometric data

Andersen, J. E. T., Mar 30 2001, In : Talanta. 54, 1, p. 131-138 8 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

On the progenitors of galactic novae

Ribeiro, V. A. R. M., Bode, M. F., Hounsell, R. A. & Williams, R. P., Feb 10 2012, In : Astrophysical Journal. 746, 1, 61.

Research output: Contribution to journalArticle

36 Citations (Scopus)

On the progenitor system of Nova V2491 Cygni: (Research note)

Darnley, M. J., Ribeiro, V. A. R. M., Bode, M. F. & Munari, U., May 23 2011, In : Astronomy and Astrophysics. 530, A70.

Research output: Contribution to journalArticle

16 Citations (Scopus)

On the proof of dark matter, the law of gravity, and the mass of neutrinos

Angus, G. W., Shan, H. Y., Zhao, H. S. & Famaey, B., Jan 1 2007, In : Astrophysical Journal. 654, 1 II

Research output: Contribution to journalArticle

114 Citations (Scopus)

On the pulsating pressure gradient driven flow of viscoelastic liquids

Siginer, A., 1991, In : Journal of Rheology. 35, 2, p. 271-311 41 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

On the pulse-width statistics in radio pulsars - I. Importance of the interpulse emission

Maciesiak, K., Gil, J. & Ribeiro, V. A. R. M., Jun 1 2011, In : Monthly Notices of the Royal Astronomical Society. 414, 2, p. 1314-1328 15 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

On the quality and performance of nanocomposite soy protein/CNTs adhesive for wood application

Afolabi, A. S., Sadare, O. O. & Daramola, M. O., Sep 1 2016, In : Advances in Natural Sciences: Nanoscience and Nanotechnology. 7, 3, 035005.

Research output: Contribution to journalArticle

7 Citations (Scopus)
8 Citations (Scopus)

On the steady flow of magnetorheological fluids in pipes

Letelier, M. F. & Siginer, D. A., 2005, In : International Journal of Applied Mechanics and Engineering. Vol. 10, no 3, p. 463-474 12 p.

Research output: Contribution to journalArticle

On the superposition of oscillatory and shear flows of viscoelastic liquids

Siginer, D. A., Jan 1 1989, In : Makromolekulare Chemie. Macromolecular Symposia. 23, 1, p. 73-90 18 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Optical morphology, inclination, and expansion velocity of the ejected shell of nova Monocerotis 2012

Ribeiro, V. A. R. M., Munari, U. & Valisa, P., May 1 2013, In : Astrophysical Journal. 768, 1, 49.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Optical properties and Raman studies of amorphous Se-Bi thin films

Mulama, A. A., Mwabora, J. M., Oduor, A. O. & Muiva, C. C., Jan 1 2014, In : African Review of Physics. 9, p. 33-38 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Optical properties of amorphous Sb2Se3:Sn films

Kumar, P., Sathiaraj, T. S. & Thangaraj, R., Feb 22 2010, In : Philosophical Magazine Letters. 90, 3, p. 183-192 10 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Optical properties of amorphous Se90-XIn10SbXthin film alloys

Muiva, C. M., Mwabora, J. M., Sathiaraj, T. S. & King, J. G., Jan 1 2016, In : Journal of Alloys and Compounds. 689, p. 432-438 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Optical properties of electron-beam deposited quaternary Se86-xTe10Sb4Bix (0 ≤ x ≤ 8) chalcogenide alloys

Nyakotyo, H., Sathiaraj, T. S. & Muchuweni, E., Sep 2017, In : Infrared Physics and Technology. 85, p. 99-108 10 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Optical properties of GAZO thin films deposited by RF planar magnetron sputtering at various O2/Ar flow ratios

Muchuweni, E., Sathiaraj, T. S. & Nyakotyo, H., Apr 2019, In : Optics and Laser Technology. 111, p. 25-29 5 p.

Research output: Contribution to journalArticle

Optical properties of highly oriented nanostructured CuI (111) thin films

Luhanga, P. V. C., Muiva, C., Coetzee, S. H., Maabong, K., Tiedt, L. & Monowe, P., Sep 1 2016, In : Journal of Optoelectronics and Advanced Materials. 18, 9-10, p. 837-841 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Optical properties of selectively absorbing r.f. sputtered NiAl2O3 composite films

Sathiaraj, T. S., Thangaraj, R., Al Sharbaty, H. & Agnihotri, O. P., Jan 1 1991, In : Thin Solid Films. 195, 1-2, p. 33-42 10 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Optical properties of selectively absorbing r.f. sputtered NiAl2O3 composite films

Thangaraj, R., Al Sharbaty, H., Agnihotri, O. P. & Sathiaraj, S., 1991, In : Thin Solid Films. 195, 1, p. 33-42 10 p.

Research output: Contribution to journalArticle

Optimal control of allocation of resources and the economic growth in HIV-infected communities

Kassa, S. M. & Hove-Musekwa, S. D., Jan 1 2014, In : Optimal Control Applications and Methods. 35, 6, p. 627-646 20 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Optimal Control Strategy for TB-HIV/AIDS Co-Infection Model in the Presence of Behaviour Modification

Awoke, T. D. & Kassa, S. M., 2018, In : Processes. 6, 5

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Optimal harvesting from a population in a stochastic crowded environment

Lungu, E. M. & Øksendal, B., Oct 1 1997, In : Mathematical Biosciences. 145, 1, p. 47-75 29 p.

Research output: Contribution to journalArticle

94 Citations (Scopus)

Optimal harvesting from interacting populations in a stochastic environment

Lungu, E. & Øksendal, B., Jan 1 2001, In : Bernoulli. 7, 3, p. 527-539 13 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Optimal harvesting when the exchange rate is a semimartingale

Offen, E. R. & Lungu, E. M., Dec 1 2011, In : International Journal of Stochastic Analysis. 2011, 942478.

Research output: Contribution to journalArticle

Optimal multi-dimensional stochastic harvesting with density-dependent prices

Alvarez, L. H. R., Lungu, E. & Øksendal, B., Jun 1 2016, In : Afrika Matematika. 27, 3-4, p. 427-442 16 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
Open Access
6 Citations (Scopus)

Optimal portfolio in the presence of transaction costs and convex risk measure

Lungu, E., Elias Rabson, O. & Obonye, D., 2017, In : International Journal of Financial Engineering. International Journal of Financial Engineering

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Optimal synthesis of a Ni(II)-dimethylglyoxime ion-imprinted polymer for the enrichment of Ni(II) ions in water, soil and mine tailing samples

Rammika, M., Darko, G. & Torto, N., Apr 2012, In : Water SA. 38, 2, p. 261-268 8 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Optimal template removal from molecularly imprinted polymers by pressurized hot water extraction

Batlokwa, B. S., Mokgadi, J., Nyokong, T. & Torto, N., Mar 1 2011, In : Chromatographia. 73, 5-6, p. 589-593 5 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Optimising biogas production from anaerobic co-digestion of chicken manure and organic fraction of municipal solid waste

Matheri, A. N., Ndiweni, S. N., Belaid, M., Muzenda, E. & Hubert, R., 2017, In : Renewable and Sustainable Energy Reviews. 80, p. 756-764 9 p.

Research output: Contribution to journalArticle

Open Access
44 Citations (Scopus)

Optimization of bi-metallic (Fe–Co) catalyst on kaolin support for carbon nanofiber growth in a CVD reactor

Mudi, K. Y., Abdulkareem, A. S., Azeez, O. S., Kovo, A. S., Tijani, J. O. & Eterigho, E. J., Feb 2019, In : Carbon Letters. 29, 3, p. 233-253 21 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Optimization of cooling load for a lecture theatre in a composite climate in India

Kulkarni, K., Sahoo, P. K. & Mishra, M., 2011, In : Energy and Buildings. 43, 7, p. 1573-1579 7 p.

Research output: Contribution to journalArticle

Open Access
18 Citations (Scopus)

Optimization of Failure-Tolerant Workspaces for Redundant Manipulators

Jamisola, R., 2010, In : Philippine Science Letters . 3, 1, p. 66-75 10 p.

Research output: Contribution to journalArticle

Open Access

Optimization of ground heat exchanger parameters of ground source heat pump system for space heating applications

Sivasakthivel, T., Murugesan, K. & Sahoo, P. K., 2014, In : Energy. 78, p. 573-586 14 p.

Research output: Contribution to journalArticle

Open Access
34 Citations (Scopus)

Optimization of process parameters for spark plasma sintering of nano structured SAF 2205 composite

Oke, S. R., Ige, O. O., Falodun, O. E., Obadele, B. A., Shongwe, M. B. & Olubambi, P. A., Apr 2018, In : Journal of Materials Research and Technology. 7, 2, p. 126-134 9 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Optimization of pulp production from groundnut shells using chemical pulping at low temperatures

Musekiwa, P., Moyo, L. B., Mamvura, T. A., Danha, G., Simate, G. S. & Hlabangana, N., Jun 2020, In : Heliyon. 6, 6, 8 p., e04184.

Research output: Contribution to journalArticle

Open Access

Optimization of Reverse Cationic Flotation of Low-Grade Iron Oxide from Fluorspar Tails Using Taguchi Method

Lubisi, T. P., Nheta, W. & Ntuli, F., 2018, In : Arabian Journal for Science and Engineering. 43, 5, p. 2403-2412 10 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Optimization of supported bimetallic (Fe-Co/CaCO3) catalyst synthesis parameters for carbon nanotubes growth using factorial experimental design

Bankole, M. T., Mohammed, I. A., Abdulkareem, A. S., Tijani, J. O., Ochigbo, S. S., Abubakre, O. K. & Afolabi, A. S., 2018, In : Journal of Alloys and Compounds. 749, p. 85-102 18 p.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Optimization of the pyrolysis oil fraction: An attainable region approach

Chiwara, B., Makhura, E., Danha, G., Hlabangana, N., Gorimbo, J. & Muzenda, E., Sep 2018, In : Detritus. 3, September, p. 68-74 7 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
17 Citations (Scopus)