Browsing Faculty of Science & Technology (FST) by Title
Now showing items 3169-3188 of 3948
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Rainwater Harvesting For Domestic Use: A Case Study Of Machakos District
(Department of Meteorology, 2007)This study investigated the characteristics of rainfall and quantified the probable volume of water that can be harvested from rainfall inputs. The region of study considered was Machakos district in Kenya. The area lies ... -
Raman Spectrometric Study of Influence of Acetaminophen on Female Mice`s Reproductive Hormone Levels Blood
(University of Nairobi, 2020)This study presents work on the effects of acetaminophen on female mice’s reproductive hormone levels in blood using Raman spectroscopy together with chemometrics. Here weak Raman signals are enhanced by a factor of 3.94 ... -
Random Forests Application In Missing Data And Predictive Modelling For Hierarchical Routine Clinical Data: A Case Study Of Childhood Pneumonia In Kenya
(UoN, 2019)Health stakeholders usually need complete, accurate and reliable estimates of various health outcomes to make decisions on improving health care delivery. Missing observations especially in clinical routine data is one ... -
Random Walks as Markov Chains
(School of Mathematics, University of Nairobi, 2018)The dissertation applies the Markov chain theory to four types of random walks namely; simple random walk, random walk with reflecting barriers, random walks with absorbing barriers and cyclic random walks. Various methods ... -
Rangeland Resource Dynamics And Their Implications For Pastoral Livelihoods In Amboseli Ecosystem, Kenya
(University Of Nairobi, 2016)Worldwide, rangeland ecosystems have experienced tremendous land use changes in the recent decades that have triggered numerous ecological, social and economic dynamics with adverse implications on its inhabitants. These ... -
Rapid analysis of polyolefin antioxidants and light stabilisers by supercritical fluid chromatography.
(University of NairobiDepartment of Chemistry, 1990-02)Nineteen commercial antioxidants and light stabilisers, with a wide range of relative molecular masses and boiling-points, present in polyolefins were analysed by packed column supercritical fluid chromatography on four ... -
Rapid assessment of calcium carbide ripened bananas using machine-learning assisted laser Raman spectroscopy.
(University of Nairobi, 2021)Fruit ripening is usually a natural process in which fruits undergo various chemical and physical changes before they become palatable. New artificial ways of fruit ripening have been developed as a result of recent ... -
Rapid Assessment of Pesticide Residues in Fruits and Vegetables Using Machine Learning Assisted Diffuse Reflectance Spectroscopy
(University of Nairobi, 2021)There is an urgent need for accurate, non-destructive, rapid, and affordable techniques for screening pesticide residues in fresh fruits to assess whether regulatory standards are met by not surpassing the allowed maximum ... -
Rapid Assessment of Pesticide Residues in Fruits and Vegetables Using Machine Learning Assisted Diffuse Reflectance Spectroscopy
(University of Nairobi, 2021)There is an urgent need for accurate, non-destructive, rapid, and affordable techniques for screening pesticide residues in fresh fruits to assess whether regulatory standards are met by not surpassing the allowed maximum ... -
Rapid Identification Of Edible Oils Manufactured In Kenya
(University of Nairobi, 2016)The aim of this research was to develop a rapid identification method of edible vegetable oils manufactured in Kenya. Vegetable edible oils processed and refined in Kenya have not been characterized and hence it‟s impossible ... -
A Rapid Malaria Diagnostic Method Based On Automatic Detection And Classification Of Plasmodium Parasites In Stained Thin Blood Smear Images
(University of Nairobi, 2014)Malaria is the leading cause of morbidity and mortality in tropical and subtropical countries. Conventional microscopy used in diagnosis of the disease has occasionally proved inefficient since it is time consuming and ... -
The rate of decomposition of cattle dung in a riverine and a grassland habitat
(1986)The influence of season, habitat, chemical composition and invertebrate fauna on the rate of decomposition of cattle dung was studied at Kenyatta University College, Kenya, from September 1984 to May 1985. The rate of ... -
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. ... -
A Re-Examination Of A Five Parameter Lindley Distribution
(University of Nairobi, 2020)In this project,Generalized Five Parameter Lindley distribution(G5L) has been proposed as a new generalization of Lindley capable of modeling di erent shapes with increasing, decreasing,constant and bathtub failure ... -
The reaction of co-ordinated nitrogen bases with gaseous or liquid hydrogen halides, hx (x = c1, br).
(University of NairobiDepartment of Chemistry, University of Nairobi, 1986-08)When gaseous hydrogen chloride was passed over the nickel complex, NiC12.PY2 (py = pyridine), there was a small' but detectable increase in mass. This increase in mass suggested that the hydrogen halide protonated the ... -
Reactions of mono para-substituted dibenzyl sulphides with bromine and alcohols: mechanism of the pummerer rearrangement
(Science department, University of Nairobi, 1988)REACTIONS OF MONO PARA-SUBSTITUTED OIBENZYL SULPHIDES WITH BROMINE AND ALCOHOLS: MECHANISM OF THE PUMMERER REARRANGEMENT Nine mono para-substituted dibenzyl sulphides were prepared in 63.2-96.7% yield by the reaction of ... -
Real Time Multi Agent Based Fraud Detection tool for Banking institutions
(University of Nairobi, 2014)To design and implement a proactive real time fraud detection system tool for banks, it is key to consider the use of a multi agents system in order to achieve this. In this paper after having a chance to meet several ... -
Real Time Traffic Monitoring Using On-board GPS Data
(University Of Nairobi, 2014-09)The high levels of congestions in the city of Nairobi have exceeded the slow increments in transportation infrastructure supply in many. This dramatic increase in traffic volume is causing various social, environmental and ... -
A real time web based employee abuse reporting application in Kenya: A case of a University College
(2014)This project presents a summary of the work covered in this research and the findings uncovered. This work analyses the potential of a web based applications to improve abuse reporting among employees in organizations. ...
