Faculty of Science & Technology (FST): Recent submissions
Now showing items 401-420 of 4283
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Financial time series modelling of trends and patterns in the energy markets
(University of Nairobi, 2016)Precise recognition of a time series path is important to policy makers, statisticians, economists, traders, hedgers and speculators alike. The correct time series path is also a key ingredient in pricing models. This study ... -
Blue, able and simplified linear estimation of the selected order statistics from the logistic distribution
(University of Nairobi, 2016)Simplified linear estimation of the scale parameter of the logistic distribution based on the sum of consecutive order statistics is considered. The paper also discusses the ... -
New ent-clerodane and abietane diterpenoids from the roots of Kenyan croton megalocarpoides Friis & M. G. Gilbert
(University of Nairobi, 2016)The roots of the endangered medicinal plant Croton megalocarpoides collected in Kenya were investigated and twenty-two compounds isolated. Among them were twelve new ent-clerodane (1–12) and a new abietane (13) diterpenoids, ... -
ICT governance drivers and effective ICT governance at the university of Rwanda
(University of Nairobi, 2016)Investments in information and communication technology (ICT) based systems and processes are essential for business organizations. Yet many organizations have not been able to derive maximum benefit from their substantial ... -
Assessing Climate Change Adaptation Strategies among Rural Maasai pastoralist in Kenya
(University of Nairobi, 2016)The aim of this study is to assess adaptation and coping strategies of Maasai pastoralist to climate change and identify viable adaptation options to reduce the impac t of climate change ... -
Impact of Marine Woodborers Dicyathifer mannii, Sphaeroma terebrans and Cirolana sp. on the Mangroves of the Kenyan Coast
(University of Nairobi, 2015)Three species of woodborers from marine mangrove plants at Mida Creek, Tudor Creek and Gazi Bay along the Kenyan coast are identified. The relationship between the borers and the host mangrove plants (Avicennia, Sonneratia, ... -
A Bridging Technology Of Learner Entry Behavior In A Flipped Classroom Model.
(University of Nairobi, 2016)Today’s learner is able to access information from mobile devices. Due to accessibility and affordability of mobile devices, more instructors continue to adopt instructional design models of mobile learning as more ... -
Proposed model for predictive mapping of graduate’s skills to industry Roles using machine learnining techniques
(University of Nairobi, 2016)he main focus in training evaluation is not only to determine whether training objectives were achieved but also how to improve evaluation so as to enhance both employability of graduates and performance ... -
Isolation and characterization of a thermostable cellulase from bacillus licheniformis strain vic isolated from geothermal wells in the Kenyan rift valley
(University of Nairobi, 2016)Cellulolytic microorganisms such as fungi and bacteria are responsible for much of the cellulose degradation in soils. Despite the vast number of cellulase producers, there is a deficiency of microorganisms that can produce ... -
Modeling trust in social networks
(University of Nairobi, 2016)We rely on trust in our day to day interactions and activities with each other. It is not easy to estimate it but we offer a simple and powerful method for estimating trust levels of agents in a social network using data ... -
Financial inclusion and cream skimming in Kenya's financial sector
(University of Nairobi, 2016)Tremendous efforts have been put in place by the relevant government bodies and partners in enhancing financial inclusion in Kenya. An analysis of the data from the Fin Access National Survey of the year 2013 shows that ... -
Credit Scoring for M-Shwari using Hidden Markov Model
(University of Nairobi, 2016)The introduction of mobile based Micro-credit facility, M-Shwari, has heightened the need to develop a proper decision support system to classify the customers based on their credit scores. This arises due to lack of proper ... -
Validation of the polyacrylic acid/glassy carbon differential pulse anodic stripping voltammetric sensor for simultaneous analysis of lead(ii), cadmium(ii) and cobalt(ii)ions
(University of Nairobi, 2016)Electrochemical sensor validation en sures that the determination procedure employed for a specific test is suitable for its intended use. Accuracy and precision, linearity, range, limits of ... -
Massive and prolonged deep carbon emissions associated with continental rifting
(University of Nairobi, 2016)Carbon from Earth’s interior is thought to be released to the atmosphere mostly via degassing of CO2 from active volcanoes1, 2, 3, 4. CO2 can also escape along faults away from active volcanic centres, but such tectonic ... -
Optimization of C/N ratio for Mesophilic anaerobic digestion from food wastes found in Nairobi a lab-scale case study
(University of Nairobi, 2016)Extensive work has been done on Anaerobic digestion of single substrates and using codigestion. In a number of cultures around the world, the wastes that are discarded as household waste may not easily fit in the biogas ... -
Useful products from microalgae: case study of Ruai wastewater treatment plant in Nairobi
(University of Nairobi, 2016)Microalgae has had a number of applications. This study explores the formation of biodiesel from lipids and formation of charred biomass fuel from the algae species found at Ruai Wastewater facility at Ruai, Nairobi. ... -
Optimization of essential oil extraction from eucalyptus grandis leaves by clevenger distillation
(University of Nairobi, 2016)Abstract : Recent statistics have shown a rise in the margin of consumption and utilization of essential oils, over the past years this has been marked by a divergence in the dependence of allophaticallopathic ... -
The anthropocene is functionally and stratigraphically distinct from the holocene
(University of Nairobi, 2016)BACKGROUND Humans are altering the planet, including long-term global geologic processes, at an increasing rate. Any formal recognition of an Anthropocene epoch in the geological time scale hinges on whether humans have ... -
Enhancement of colonisation of soybean roots by arbuscular mycorrhizal fungi using vermicompost and biochar
(University of Nairobi, 2016)Pollution and contamination of soil is one of the major concerns in the world today. Excessive use of synthetic fertilisers has caused tremendous harm to the environment and the human population indirectly. Chemical residues ... -
Rapid detection of hiv1-p24 antigen in human blood plasma using Raman spectroscopy
(University of Nairobi, 2016)Raman spectroscopy together with principal component analysis (PCA) has been applied in detecting HIV1-p24 antigen in plasma. PCA distinguished Raman data of human blood Plasma contaminated with HIV1-p24 antigens from ...