Browsing Faculty of Science & Technology (FST) by Title
Now showing items 3928-3947 of 4095
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Two Factor Authentication and transaction validation using a mobile phone
(University of NairobiSchool of Computing and Informatics, 2013)Online Banking provides speed, flexibility, and efficiency, the Internet has become the means for conducting growing numbers of transactions between suppliers and large international corporations. In this way, the Internet ... -
A Two Layer Mixed Integer Programming Model for Dynamic Composite Webservice Selection in Virtual Organizations Inspired by Layering as Optimization Decomposition
(University of Nairobi, 2016)The key motivation for virtual organizations (VOs) is the need for business agility against a highly volatile and globally competitive market. The agility includes the ability to dynamically and efficiently package and ... -
A two-dimensional numerical model of the lake-land and sea-land breezes over Kenya
(University of NairobiDepartment of Meteorology, 1982)A two-dimensional, hydrostatic, primitive equation model is used to describe the initiation and evolutfon of the lake and sea breezes over Kenya as a function of surface heat and momentum fluxes. The model has 12 ... -
Two-stage chemical and enzymatic strategies for the preparation of biodiesel from croton megalocarpus oil and evaluation of its engine performance and oxidation stability
(University of Nairobi, 2016)Croton oil was extracted from dry Croton megalocarpus seeds by a mechanical pressing machine then filtered. The optimum conditions for preparation of biodiesel from the oil through a two-stage chemical process in reactor ... -
Two-stage group screening-designs with unequal probabilities
(Department of Mathematics University of Nairobi, 2006)The purpose of screening is to reduce a large set of explanatory variables or factors to the set of important variables, assuming that there are only a few really important explanatory variables. In this study, the formula ... -
Two-type step-wise group screening designs with errors in observations
(School of mathematics, 2010-07)In part one of this project, we discuss the problem of two-type step-wise group screening designs with errors in observations and equal prior probability of factor being defective; wherein ffactors are subdivided into ... -
A type-2 diabetes early warning system using particle swarm optimized artificial neural networks: a case of trans Nzoia county of Kenya
(University of Nairobi, 2014-08)This research aimed at developing an early warning system for pre-diabetic and diabetics by analyzing simple and easily determinable signs and symptoms of diabetes among the people living in Trans Nzoia County of Kenya ... -
Types and Abundance of Microplastics in Macro-invertebrates Along the Kenyan Coast
(University of Nairobi, 2020) -
Typesetting Preprocessor Project
(University of Nairobi, 1987) -
UL marketing management decision support system
(2004)The title of this project is "UL marketing management decision support system" here referred to as UL-DSS. The system is designed to assist the sales and marketing managers III making more accurate and timely decisions ... -
Ultrasonic characterization of Kenyan clay Refractories
(Department of Physics - University of Nairobi., 1994)Characterization of cerami.c materials is important in order to improve their quality. In this study uLtrason io nondestructive technique has been used to characterize some Kenyan clay refractories. Ultrasonic: parameters ... -
Ultrasonic characterization of Kenyan clay refractories
(University of Nairobi, 1994)Characterization of ceramic antibacterials important in order to improve their quality. In this study ultrasonic nondestructive technique has been used to characterize some Kenyan clay refractories. Ultrasonic parameters ... -
Underground use by tunneling in Nairobi
(Department of Geology, University of Nairobi, 2012)This tunneling project has been necessitated by the congestion of roads by motor vehicles that have outnumbered the capacity of roads to accommodate them. This phenomenon is progressively becoming a nightmare in the City ... -
Understanding the Cosmological Crisis on the Shape of the Universe Using Planck Data
(University of Nairobi, 2021)The shape of the universe has been a major topic of debate for scientists over the years. Since the beginning of time human beings have been seeking answers to intriguing questions concerning the nature of the universe, ... -
Underwriting Risk Management Strategies For Motor vehicle Insurance: A Case Of The Kenyan Alliance Insurance Company
(University of Nairobi,, 2014)In recent years, risk management has been the subject of financial scrutiny due to the financial crises of 2002 and 2007. The Ukrainian and Greek case have also highlighted great weaknesses in financial risk management. ... -
University Examination Information System
(University of NairobiSchool of Computing and Informatics, 2011)Jomo Kenyatta University of Agriculture and Technology (JKUAT), has a total student population of about 15,000 students spread across four faculties and eight constituent campuses spread across the country. Administration ... -
The uptake and tolerance levels of selected heavy metal ions and their distribution in sweet potato plants (ipomoea hatatas) under in vitro conditions
(University of NairobiChemistry, 2009)Some heavy metals are essential while others may adversely affect human who are water and plant consumers. Pollution by heavy metals is a major problem globally and hence the need to identify sources of the metals and ... -
Uptake of heavy metals by vegetables grown on sewage sludge amended soils
(School of Biological Sciences, University of Nairobi, 1989)The concentrations of some heavy metals in soil and plant tissue, resulting from land application of sewage-sludge, were examined by determining the levels of manganese (Mn), iron (Fe), Copper tCu), zinc (Zn) and lead (Pb) ... -
Urban air quality in the city of Nairobi, Kenya: application of energy dispersive x-ray fluorescence and principal component analysis
(University of Nairobi, 2015)Air pollution is a widespread problem affecting millions of people exposed to high levels of air pollution that exceed one or more ambient limit values. One of these air pollutants is the airborne particulate matter (PM), ... -
Urban Form and Climate Change: Enhancing the Resilience of Mathare Valley Informal Settlement in Nairobi City, Kenya
(University of Nairobi, 2018)Informal settlements within cities are often the most vulnerable areas to climate change due to their location in hazard prone areas, high density of population and poorly constructed structures, as well as the poor ...