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Browsing Faculty of Science and Technology by Issue Date

Now showing items 41-60 of 101

Stakeholders Matter! Evaluating Stakeholder Collaboration in the NUL's Transformation and Restructuring Processes

Leduka, R. C. (2013)
Software Support for Creating Digital Health Training Materials in the Field

Molapo, M.; Marsden, G. (University of Cape Town, 2013)

In this paper, we present the design, implementation, and deployment of a tool developed to help rural health trainers to create digital training content for low-literate Community Health Workers (CHWs) in Lesotho; the ...
Symmetry classification of coupled heat-diffusion systems via low dimensional Lie algebras

Mahomed, F.M.; Molati, M. (World Scientific Publishing, 2013)

We review second-order system of coupled heat-diffusion equations. The system under consideration contains several arbitrary elements the forms of which are specified via the method of group classification based on the use ...
Chemical adsorption of NiO nanostructures on nickel foam-graphene for supercapacitor applications

Bello, A.; Fabiane, M.; Dodoo-Arhin, D. et al (J. Mater Sci (2013), 2013)

Few-layer graphene was synthesized on a nickel foam template by chemical vapor deposition. The resulting three-dimensional (3D) graphene was loaded with nickel oxide nanostructures using the successive ionic layer adsorption ...
Graphene: Synthesis, Transfer, and Characterization for Dye-Sensitized Solar Cells Applications

Dodoo-Ahrin, D.; Fabiane, M.; Bello, A. (ACS Publications, 2013)

Large area graphene films with varying growth time thicknesses were synthesized by chemical vapor deposition (CVD) on copper foil and transferred to other substrates for characterization and photovoltaic applications. ...
Isolation, thermostability and enzyme assay of cellulose degrading microorganisms from soils and wastewater samples at Roma, Lesotho

Mekbib, Sissay Bekele; Pakane, I. (World Vision International, 2013)
Sustainable waste management by production of activated carbon from agroforestry residues

Ntuli, V.; Hapazari, I. (South African Journal of Science, 2013)

Agroforestry waste presents a problem for disposal and negatively impacts on the environment if left to rot or burn. The aim of this study was to reduce environmental problems associated with agroforestry waste by promoting ...
Traditional fermented foods of Lesotho

Gadaga, T. H.; Lehohla, M.; Ntuli, V. (Journal of Microbiology, Biotechnology and food science, 2013)

This paper describes the traditional methods of preparing fermented foods and beverages of Lesotho. Information on the preparation methods was obtained through a combination of literature review and face to face interviews ...
Growth of graphene underlayers by chemical vapor deposition

Fabiane, M.; Khamlich, S.; Bello, A. (AIP Publishing, 2013)

We present a simple and very convincing approach to visualizing that subsequent layers of graphene grow between the existing monolayer graphene and the copper catalyst in chemical vapor deposition (CVD). Graphene samples ...
Finite Capacity Queue with Multiple Poisson Arrivals and Generally Distrubuted Service Times

Nikolov, A. V. (International Journal of Applied Mathematics, 2013)

The present article explores a queuing system with multiple inputs, single server, different service rates, and limited size of the buffer. The system parameters are crucial for the performance of numerous applications. ...
Symmetry classification and invariant solutions of the variable coefficient BBM equation

Molati, M.; Khalique, C. M. (Elsevier, 2013)

We perform Lie symmetry classification of a time-variable coefficient BBM equation, which arises in the modeling of long waves of small amplitude in �1 � 1� dimensions. The direct method of group classification is employed ...
Lie Group Analysis of a Forced KdV Equation

Molati, M.; Khalique, C. M. (Hindawi Publishing Corporation, 2013)
Qualitative Assessment of Livestock Faeces and Sewage for Antibiotic Resistant Strains of E. coli in Roma, Lesotho

Mekbib, Sissay Bekele; Marole, T. A.; Asita, A. O. (Greener Journals, 2013)

Sewage water (SW) and fresh livestock faeces: Chicken (ChNF), Sheep (SF), and Cattle (CF) were taken randomly from the farm of the National University of Lesotho aseptically during the 2012 academic year. Twenty ml of ...
Clastogenic and Cytotoxic Effects of Four Pesticides Used to Control Insect Pests of Stored Products on Root Meristems of Allium cepa

Asita, A. O.; Mokhobo, M. M (Environment and Natural Resources Research, 2013)

While the use of pesticides of stored product has increased productivity in agriculture, there is concern about their use because some are mutagens and/or carcinogens, harm non-target organisms or cause pest resistance. ...
Using Multiple Links Simultaneously to Increase Capacity for Multi-homed Terminals in Heterogeneous Wireless Networks

Ramaboli, A. L.; Falowo, O. E.; Chan, H. A. (2013 IEEE 27th International Conference on Advanced Information Networking and Applications, 2013)

Aggregating fractional bandwidth from multiple links in heterogeneous wireless networks can provide an opportunity for network providers to scale up capacity for multi-homed terminals. Multi-homed terminals come equipped ...
Laboratory assessment of insecticidal properties of Tagetes minuta crude extracts against Brevicoryne brassicae on cabbage

Phoofolo, M. W.; Mabaleha, S.; Mekbib, Sissay Bekele (Journal of Entomology and Nematology, 2013)

The cabbage aphid, Brevicoryne brassicae is one of the most serious insect pests of cabbage in Lesotho. Chemical insecticides for efficient control of this pest are often unaffordable for resource-poor farmers. As a first ...
MPEG Video Streaming Solution for Multihomed-Terminals in Heterogeneous Wireless Networks

Ramaboli, A. L.; Falowo, O. E.; Chan, H. A. (The 10th Annual IEEE CCNC- Work-in-Progress, 2013)

Abstract-Most multipath video transmission schemes focus on minimizing video packets delivery time but do not consider protecting the video packets from loss. Packet loss can have undesirable effects on the video quality. ...
Silver nanoparticles decorated on a three-dimensional graphene scaffold for electrochemical applications

Bello, A.; Fabiane, M.; Dodoo-Arhin, D. et al (Journal of Physics and Chemistry of Solids, 2013)

Silver metal nanoparticles were decorated by electron beam evaporation on graphene foam (GF) grown by chemical vapour deposition. X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and ...
Approximate Model for a Merge Configuration of Multiservers With Finite Capacity Intermediate Buffers

Nikolov, A. V. (International Journal of Applied Mathematics, 2013)

We consider a queueing network consisting of multiservers in parallel and connected to a merger queue. All servers have an infinite capacity buffers. The configuration is decomposed into two subsystems: merging multi-servers ...
Thermal Expansion in Zinc Oxide Nanomaterials

Singh, M.; Singh, Madan. (Nanoscience and Nanotechnology Research, 2013)

Thermal expansion of rock salt and wurtize phases of Zinc Oxide nanomaterials has been studied using various relationships between volume thermal expansivity and temperature. The numerical values of volume thermal expansion ...

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