Faculty of Science & Technology (FST): Recent submissions
Now showing items 441-460 of 4213
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Population Size Estimation Using Bayesian Approach:a Case of Tertiary Student Men Who Have Sex With Men in Nairobi, Kenya
(University of Nairobi, 2021) -
The Expanding Universe Trouble
(University of Nairobi, 2021)The Lambda Cold Dark Matter model (ΛCDM) is the current standard model of cosmology, which specifies the evolution of the observable Universe. Since the early 20th Century, astronomers have been aware that the Universe is ... -
A Multi- Stakeholder Analysis of the Interaction Between Water Availability and Access, Climate Change and Large-scale Infrastructural Development in Lamu, Kenya
(University of Nairobi, 2021)Climate change is altering the global water cycle and directly influencing our availability of and access to water. The threats of climate change and the relationship with large scale infrastructural development are examined ... -
Ratio Estimation of Finite Population Total in Stratified Random Sampling Under Non-response
(University of Nairobi, 2021)Estimation of population parameters has been an area of interest to many statisticians. Auxiliary variable that is highly correlated with the response variable can be used to improve efficiency of constructed estimators. ... -
Assessment of the Concentrations and Distribution of Selected Polybrominated Diphenyl Ethers in Nairobi River Drainage Basin and Their Photocatalytic Degradation Pathways
(University of Nairobi, 2021)Polybrominated diphenyl ethers are linked to adverse health effects that include thyroid hormone disruption, neuro-developmental deficit, abnormal pregnancy, and potential carcinogens. This study was aimed at assessing the ... -
Use of Block chain Technology in Vaccine Distribution to Enhance Vaccine Safety in Kenya
(University of Nairobi, 2021)Recent history has seen COVID-19 emerge as one of the deadliest communicable diseases. Following its high levels of severity, inaction, and spread, the World Health Organization, WHO, declared the disease a global pandemic ... -
A Model for Classifying Hate Speech Text From Social Media Leveraging on Psycho-social Features and Machine Learning
(University of Nairobi, 2021)Classifying brief text messages containing hate speech from the massive amount of content generated by social media users is a difficult undertaking. Social media data provides significant difficulties for conventional ... -
Genesis of Carbon Dioxide and Associated Characteristics of Selected Mofette Springs in the Eastern Mt. Kenya Region
(University of Nairobi, 2021)The Eastern Mt. Kenya region has a significant number of mofette or cold CO2-rich springs which have not been fully investigated previously. They include Gikumene, Kathathantu, Kiambogo, Mbwinjeru, Mulathankari, Nthungu, ... -
Modeling of the Impact of Climate Change on Herbivores Distribution in the Savanna Ecosystems, a Case Study of Amboseli Ecosystem, Kajiado County, Kenya
(University of Nairobi, 2021)For years, conservationists have been captivated by the existence of many species of large herbivores in grasslands and savannas. However, climate changes manifested through increasing land temperatures and changing rainfall ... -
Designing an Innovation Systems Approach Towards Enhanced Farmer Adoption of Climate Services Within Dryland Agroecosystems in Kitui, Kenya.
(University of Nairobi, 2021)Climate change and vulnerability are major challenges in ensuring household food security. In response to this, many adaptation options are being implemented in the form of small, timebound pilot-based projects in ... -
Psychosocial Heuristic Factors of an Interactive Mobile Device for Geriatric Persons
(University of Nairobi, 2021)Over the years, the older person population has grown, currently at 9% of the world’s total population. This growth is attributed to modern treatment advancements, modern technology, and improved living standards. However, ... -
Enhancing Food Security Through Crop and Livelihood Diversification Among Kimandi-wanyaga Community in Murang’a County, Kenya
(University of Nairobi, 2021)Climate change poses significant risks to food security globally with predictions of a 10-20% decline in rain-fed crop yields by 2050. In Kenya, climate change hazards including droughts and floods are affecting crop ... -
Development of a Novel Square Wave Voltammetric Method for Determination of Phenoxymethylpenicillin and Benzylpenicillin in Animal Products and Pharmaceutical Samples
(University of Nairobi, 2021)Penicillins have been used widely in humans and animal husbandry to control and manage bacterial infections due to their strong antibacterial activity. However, pressence of penicillin residues in animal products has raised ... -
Fabrication and Optimization of an Effective Anaerobic Digester for Biogas Production Using Vegetable Wastes From Wakulima and Kangemi Markets in Nairobi County, Kenya
(University of Nairobi, 2021)This work focuses on generation of biogas and voltage from market wastes inoculated with abattoir wastes. The market wastes were analyzed for proximate and ultimate composition using standard techniques. Bacterial studies ... -
Impact of Land Cover, Land Use and Climate Change on the Hydrological Regimes of the Mara River Basin
(University of Nairobi, 2021)The Mara river basin is a serene sub-catchment of Lake Victoria basin and a part of the upper catchments of the Nile Basin. Importantly, it is a lifeline to the internationally renowned Mara - Serengeti ecosystem and a ... -
Characterization of the Hydrogeology of the Lodwar Alluvial Aquifer System, Turkana County, Kenya
(University of Nairobi, 2021)Drylands account for more than a third of the world's land area and are characterized by less than 250 mm of rainfall per year. In these regions, groundwater is a strategic resource and plays a key role in economic ... -
The Impact of Organizational Culture on Information Security Compliance Culture: a Case of Kenyan Universities
(University of Nairobi, 2021)Insider threat to information security is increasingly becoming a challenge to information security managers. One of the biggest challenges is not a lack of strong and robust policies, but that of ensuring full or highest ... -
In Vitro Regeneration, Genetic Transformation, and Crispr/cas-based Genome Editing in Yam (Dioscorea Spp.)
(University of Nairobi, 2021)Yam is a starchy tuberous crop that provides food and income to millions of people in tropical and sub-tropical regions of the world. Despite its importance, several biotic and abiotic constraints beset yam production. Yam ... -
Climate-smart Agriculture Options for Enhanced Resilience and Food Security: a Case Study of Yatta, Machakos County, Kenya
(University of Nairobi, 2021)The Kenya’s agriculture sector is key for rural livelihoods though highly impacted by climate change. The agriculture is mostly rainfed and dominated by smallholder farmers which increases vulnerability to climate variability ... -
The Role of Information Microfinance Institution in Resilience of Rural Livelihoods to Climate Variability a Case of Tharaka Sub County, Kenya.
(University of Nairobi, 2021)Successful response to climate variability builds on the proper understanding of the local climatic context and existing strategies such as informal microfinance because the impacts are context specific. However, limited ...
