Faculty of Science: Recent submissions
Now showing items 241-260 of 317
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A Mathematical Model Of Combined Pre-Exposure, Post-Exposure Vaccines And Treatment Of Tuberculosis
(2012-09-03)Due to high prevalence of tuberculosis (TB) in developing countries where HIV prevalence is also high, developing effective TB vaccines that will prevent infection and reactivation of latent infection is a high priority. ... -
Effects Of Vaccination And Treatment On HIV Transmission
(2012-08-31)This paper is an investigation of the possible effects of vaccination and treatment on the dynamics of HIV-AIDS in a varying population. The devastating global impact of HIV has increased research efforts to find an effective ... -
Evaluating the potential impact of condoms and vaginal microbicides to reduce the spread of HIV.
(2012-08-31)Since its emergence in the 1980s,the HumanImmuno-deficiency Virus(HIV),the causative agent of Acquired Immune Deficiency Syndrome (AIDS) has claimed the lives of millions of people(20 million), and continues to exert ... -
Single Period Inventory Models for Products whose Demand Follows Compound Distributions
(2012-08-31)Up to this point, the Single Period Inventory models developed have focused on a product whose demand distribution in a single period is some simple classical distribution like the normal distribution, log-normal distribution, ... -
On a Stochastic Control Problem with Terminal State Constraints
(2012-08-31)In this thesis, we consider a stochastic control problem in both finite and infinite time interval, with a terminal state constraint. We consider two approaches in solving the problem i.e., the Maximum Principle and the ... -
Treatment of HIV-1 with Reverse Transcriptase Inhibitors ( RTI's) and Protease Inhibitors ( PI's )
(2012-08-31)Treatment with antiretroviral drugs has been reported to delay progression of HIV infection to AIDS, and may even lower the infectiousness of the infectives. This study investigates the effects of treatment of HIV-1 with ... -
A Study of Heap Fermentation and Protein Enrichment of Cassava.
(2012-08-30)Cassava (Manihot esculenta Crantz) is an important source of carbohydrate for humans and animals, producing high energy of 610 kJ/100 g fresh root weight. However, it is very poor in protein (1 % fresh root weight) and ... -
Metal, Arsenic and Cyanide Pollution of the Environment in the Vicinity of a Mining Waste Disposal Dump at Athens Mine.
(2012-08-30)Mining activity and mine wastes at Athens mine; Mvuma, Zimbabwe, have been generated since the 15th century accelerated significantly during the 20th century. The mine wastes constitute a potential source of contamination ... -
The Limnology and Ecology of Two Small Man-Made Reservoirs in Zimbabwe.
(2012-08-30)This study investigated the limnology of two small dams (< 5ha) built in series on Munwahuku river. Very little is known about the ecology of such small water bodies and the hydrological regime of these dams is that they ... -
Characterization of Anopheles gambiae (Giles) Breeding Sites in Gokwe South, Zimbabwe
(2012-08-29)Anopheles gambiae Giles larval breeding habitats were characterized in Gokwe South district in Zimbabwe to determine the ecological parameters of Anopheles breeding sites and identify their associations with larval density. ... -
A compartive study of vegetation structure and visibility at Wild Dog (Lycaon pictus) kill sites in and outside Hwange National Park
(2012-08-29)The objective of this study was to compare vegetation structure and visibility at sites at which wild dogs (Lycaon pictus) had killed kudu (Tragelaphus strepsiceros) and impala (Aepyceros melampus). The kill sites, within ... -
Impact of cultivation on soil and species composition of the Monavale Vlei, Harare
(2012-08-29)The study assessed the impact of cultivation on soil properties, species richness (grass and herbaceous) and species composition on the Monavale vlei. The results revealed that cultivation had an impact on nitrogen levels, ... -
Morphological variation in bills and claws in relation to Prey type in Southern African Birds of Prey (Orders Falconiformes and Strigiformes)
(2012-08-29)Bill and claw morphological characteristics were measured to establish the extent of functional similarities in the hunting and feeding apparatus among Southern African birds of prey (orders Falconiformes and Strigiformes) ... -
Malaria Vector Status and Insecticide Susceptibility Studies in Zimbabwe
(2012-08-29)The major problem that has evolved from malaria control progammes that utilize insecticides for vector control is the development of insecticide resistance. In Zimbabwe, despite decades of pesticide usage there is limited ... -
Influence of elephant (Loxodonta africana Blumenbach) on Baikiaea plurijuga dominated woody vegetation around natural and artificial watering points in the northern part of Hwange National Park, Zimbabwe
(2012-08-29)The extent of elephant damage on shrub and mature Baikiaea plurijuga was investigated around artificial and natural watering points in the Main Camp area of Hwange National Park. Damage was scored on a percentage basis for ... -
Towards a suitable framework for blended multimedia e-learning applications
(2012-08-29)Most universities in developing countries are using a teaching and learning approach known as blended e-learning, however, there was no a framework for blended multimedia-based e-learning applications. Further, there is ... -
Optimisation of the growth conditions and genetic characterisation of Pleurotus species
(2012-08-29)A comprehensive genetic and optimisation of the growth conditions study of fifteen Pleurotus species and strains from Belgian Coordinated Collections of Microrganisms/ Mycotheque de l’ Université Catholique de Louvain ... -
Integrated Improved Security System Techniques in Combating Crime Using the Biometrics at the National Airport of Zimbabwe
(2012-08-29)Biometrics have become very popular as a tool in combating crime in the world. This has also been necessitated by the September 11 2001 event. Despite all the research that has been carried out the improvement of the ... -
The Abundance and Biting Behaviour of Anopheles merus (Dönitz) in Gokwe South District, Zimbabwe
(2012-08-29)Malaria is a major public health problem in most sub-Saharan countries. Anopheles merus (Dönitz), a saltwater breeding member of An. gambiae complex, is involved in low rate malaria transmission in this region. In this ... -
To find cost effective routes that are able to meet the fuel/time constraints using the Intelligent Transportation Systems in VANETS
(2012-08-29)The use of real-time information in Intelligent Transportation Systems (ITS) in particular Vehicular Ad hoc Networks (VANETs) has the potential to improve traffic conditions and reduce travel delays by facilitating better ...
