Browsing Faculty of Science & Technology (FST) by Title
Now showing items 1565-1584 of 3948
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Fabrication and characterisation of NB:TIO2 thin film for hydrogen gas sensing application.
(University of Nairobi, 2021)A gas sensor is a selective device used in monitoring the presence or concentration level of a particular gas in the ambient atmosphere. Gas sensors operate on the principle which is anchored on any of the following three ... -
The Fabrication and Characterization of Iron Disulfide [FeS2] Photoelectrochemical (PEC) Solar Cell
(University of NairobiSchool of Physical Sciences, 1997)Iron pyrite, also known as iron disulfide, has been classified as one of the most promising materials for both thin film and photoelectrochemical (PEC) solar cells. In this study, iron pyrite was grown on tin oxide coated ... -
Fabrication And Characterization of Iron Disulfide Thin film Solar Cells By Spray Pyrolysis
(2000)Iron pyrite is a frequently occurring natural compound with large reserves. In this study polycrystalline iron pyrite thin films were prepared by thermal sulfurization of iron oxides that were prepared by spray pyrolysis. ... -
Fabrication and Characterization of Polyaniline- Carbon Modified Electrode (Cme) Biosensor for Analysis of Bisphenol a
(University of Nairobi, 2017) -
Fabrication and characterization of silicon solar cells
(Faculty of Science, University of Nairobi, 1985)Silicon solar cells have been fabricated in our laboratory by way of diffusing phosphorus into silicon through glassy layers, that is, the introduction of elemental phosphorus into silicon through a layer of molten ... -
Fabrication And Characterization Of Tio2/Nb2O5 Composite Photo-Electrodes Deposited Using Electrophoretic Technique For Application In Dye-Sensitized Solar Cells
(University of Nairobi, 2017)This study has investigated a rapid, simple and cost effective electrophoretic deposition (EPD) technique for fabrication of nanoparticulate TiO2/Nb2O5 composite electrode films for use in dye-sensitized solar cells (DSSCs). ... -
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 ... -
Fabrication of a semiconductor insulator photovoltaic converter semiconductor
(University of NairobiFaculty of Science. University of Nairobi, 1990)Semiconductor Insulator Semiconductor (SIS) Photovoltaic Converters have been fabricated successfully by the spray pyrolysis and the Vacuum deposition techniques. The two techniques and fabrication processes have been ... -
Facilitating Group Learner Interactions using Intelligent Agents to Improve Group Knowledge Construction in Collaborative M-Learning: Case of Higher Learning Institutions in Kenya
(University of Nairobi, 2018)This research study aimed to improve the levels of group knowledge construction by providing intelligent-based facilitations to learner group interactions in a collaborative mobile learning environment. The interactions ... -
Factors affecting access of water supply in Kisauni area, Mombasa county, Kenya
(2013)The present study, factors affecting accessibility of water supply options was conducted in Kisauni, Mombasa County with a main objective of finding the most accessible water supply in terms of quality, quantity and cost ... -
The factors affecting adoption of online doctor services in Kenya. A case study of the Nairobi hospital.
(University of Nairobi, 2018)This research was concern with the factors affecting online doctor services adoption. The study is aimed to examine the critical factors affecting adoption of online doctor services in the context of Kenya. Aspects such ... -
Factors Affecting Financial Performance in the Kenyan Non-Life Insurance Sector
(University of Nairobi, 2019)Despite premium growth over the years, Kenyan non-life insurance penetration has continued on the downward trend from 2.28% in 2013 to 1.63% in 2017; Pro tability has also been on the negative side since 2015; recording ... -
Factors affecting foraging and reproductive success of Kittlitz’s Plover (Charadrius pecuarius TEMMINCK) at two soda lakes in eastern Rift Valley, Kenya
(University of Nairobi, 2015)Ground nesting shorebirds are perennially at risk from an array of threats arising from activities of humans, other animals and climate induced factors. People and wild animals can destroy nests and kill young birds as ... -
Factors Affecting Information Security in Teleworking. Case Study: Kenya National Police Dt Sacco
(University of Nairobi, 2021)Businesses are increasingly adopting teleworking to embrace the changes in the operation macro environment, the COVID 19 pandemic is driving most businesses to adopt teleworking to curb its spread, and teleworking is ... -
Factors affecting information systems security effectiveness in University Of Nairobi
(2015)Dependence on information systems (IS) is growing at a very high rate; this is encouraged by business competitiveness. Though the growth is health literature reveals that, there are security threats accompanying this. The ... -
Factors Affecting Intention to Use E-learning by People With Hearing Impairment: a Case of Karen Technical Training Institute for the Deaf
(University of Nairobi, 2021-08)E-learning has become an increasingly important learning and teaching mode and is heavily utilised in open and distance learning programs as well as in conventional learning institutions. The traditional application of ... -
Factors Affecting Malaria Transmission By Vector Mosquito Populations In Western Kenya, With Special Reference To Altitude
(University of Nairobi, 1992)Five populations of Anopheles vectors of malaria from different altitudes along a transect in Nyanza Province of western Kenya were studied over a period of two years, January, 1989 through to December, 1990. Each ... -
Factors Affecting Population, Nesting Habits, and Conservation of Grey Crowned Crane (Balearica Reguloram, Bennett 1834) in Lake Ol’ Bolossat Basin, Kenya
(University of Nairobi, 2022)Birds are significant drivers of ecosystem processes and are therefore sensitive to natural and human-induced changes. Cranes are a highly threatened bird family and Grey Crowned Crane (Balearica regulorum) is listed as ... -
Factors affecting the adoption of E-governance in a public institution in Kenya: case of Nema-Kenya
(University of Nairobi, 2013)The aim of the study is to determine factors affecting the adoption of e-governance in a public institution in Kenya, a case of NEMA-Kenya. E-government has been identified and adopted as one of the most efficient vehicles ... -
Factors affecting the population dynamics of Theileria parva in rhipicephalid ticks
(WarwickDepartment of Biological Sciences, 1994)A series of experiments were carried out to investigate some of the poorly understood aspects of the life cycle of Theilefid parva in its rhipicephalid tick vectors. The first series of experiments established that nymphae ...
