Browsing Faculty of Science & Technology (FST) by Title
Now showing items 354-373 of 4009
-
Assessment of heavy metal concentrations and radiation exposure due to naturally occuring radioactve materials in the limestone deposits of kitui south district - Kenya.
(2011)The heavy metals contents of Cu, Zn and Pb have been measured using Energy Dispersive XRay Fluorescence (EDXRF) and their pollution indexes calculated. The radiation background exposure at 1 m above the ground was measured ... -
Assessment of Heavy Metal Fluxes and Radiation Exposure due to NORM in the Extraction and Processing of Coltan Ores in Selected Areas of Rwanda
(University of NairobiSchool of Physical Sciences, 2010)The present study quantifies heavy metal fluxes and radiation exposure due to Naturally Occurring Radioactive Materials (NORM) in the extraction and processing of the ColumbiteTantalite (Coltan) mineral in Muhanga, Ruli ... -
Assessment of heavy metals and radioactivity of the soil around titanium mining in Kinondo area, Kwale county.
(University of Nairobi, 2021)Mining is the process which involves extraction of minerals and geological materials from the earth. This activity may have a detrimental effect on the environment hence impact health of animals and human. The concentrations ... -
Assessment of human exposures to natural sources of radiation in Kenya
(Department of Physics University of Nairobi, 1999)Exposures of human beings to the natural background radiation in Kenya are assessed using measured activity concentrations of natural radionuc1ides and dose conversion factors; The sampling locations for geological ... -
Assessment Of ICT Project Failure Factors In Government Agencies A Case Study Of Kenyan Government Agencies.
(University of Nairobi, 2018)Information technology has become a critical differentiator in businesses enabling them to gain a competitive edge over their competitors. This has hence pressured many organizations to pursue change and adaptation to the ... -
An Assessment of Integrated Water Resource Management (Iwrm) Approach for Reducing Food Insecurity in Drylands: a Case of Kikuu River Sub-sub-catchment, Makueni County, Kenya
(University of Nairobi, 2017)This research focused on assessment of effects of integrated water resource management on household food production. The key area of the study was Kikuu River Sub-catchment in Nzaui- Kalamba ward of Makueni County Kenya. ... -
Assessment of internal exposures from ingestion of geophagic materials found in some parts of Kenya
(2005)An assessment of the radiological impact of Geophagia deliberate ingestion of soil. was carried out in this study Samples of the most widely used geophagic materials were collected from three regional locations in Kenya. ... -
Assessment of levels of selected Air Polluntant in Athi river, Kenya
(University of Nairobi, 2017-09) -
Assessment Of Levels Of Selected Heavy Metals In Borehole Water In Ongata Rongai, Kajiado County, Kenya
(University Of Nairobi, 2020)Heavy metal content in groundwater sources is of a growing concern as they are known to be persistent in nature and have been found to bioaccumulate in animals and plants. The heavy metals have been found to cause detrimental ... -
Assessment Of Levels Of Urban Air Pollutants And Trace Elements In Roadside Soils; A Case Study In Eastleigh Area, Nairobi
(School of Physical Sciences, College of Biological Sciences, University of Nairobi., 2008)In this study, the assessment of five most common air pollutants from vehicular emissions were done along Juja road in Eastleigh area, Nairobi. Sampling was done for soil samples, particulate matter (PMIO), sulfur dioxide ... -
Assessment of M & E IT Systems in Community-based Organisations
(University of Nairobi, 2019)The study was to evaluate the design of M&E IT systems used in Community-Based Organizations (CBOs) and to contribute to data management and program improvement. This assessment was to determine how M&E IT systems comply ... -
Assessment of maize crop water requirements and productivity under climate change in central and southern regions of Malawi
(Department of Meteorology University of Nairobi, 2009)The rapid population growth, poverty and climate variability have resulted into food insecurity in Malawi. The impacts of climate change on agriculture will add challenges to ensuring food security and poverty reduction ... -
Assessment of mammography practise in Kenya and optimization of its Radiation protection aspects
(Institute of Nuclear Science and Technology, 2008)All mammography units in the country, totaling fourteen in number at the time, were evaluated on the basis of performance and practice to come up with useful data for summing up the mammography practice in Kenya. This ... -
Assessment of Maternal and Umbilical Cord Blood Lead Levels From Selected Informal Settlements in Nairobi County, Kenya
(University of Nairobi, 2022)Lead (Pb) is used in many manufacturing processes due to its useful properties. It is an important component in the manufacturing and recycling of lead batteries, manufacturing of paints and production of glazed pottery ... -
Assessment of Meteorological Drought Characteristics in North Eastern Counties of Kenya
(University of Nairobi, 2016)Climate has an influence on the day-to-day socio-economic development. Agriculture is a vital socio-economic sector in the North Eastern region of Kenya. In this study, the trend of past, present and future rainfall ... -
Assessment of models of diffusion of information technology:
(School of computing and informatics University of Nairobi, 2004)This study reports an empirical assessment of models used by Hanna et al, in their study titled "The diffusion of Information Technology: Experience of Industrial Countries and Lessons for Developing countries". The ... -
Assessment of New Persistent Organic Pollutants-pesticides in Air and Soil Samples From Sites in Nairobi and Mount Kenya
(University of Nairobi, 2016)Persistent organic pollutants (POPs) are compounds of great concern because of the adverse effects they have on humans, wildlife and the environment. They are toxic and have a tendency to accumulate in the food chains. ... -
An assessment of nutrient fluxes and zooplankton dynamics in two marine tidal creeks: Mtwapa and Shirazi, along the Kenyan coast
(Department of Zoology, University of Nairobi, 2004)Two creeks along the Kenyan coast, Mtwapa and Shirazi were investigated in a bid to establish the ecological status as a result of various human impacts on the marine waters. Nutrient distribution patterns in the two ... -
Assessment of occupational radiation exposures of artisan miners of columbite-tantalite (coltan) in the Eastern democratic republic of Congo
(Department of Physics University of Nairobi, 2006)Artisan miners are faced with risks of radiation exposures due to the presence of naturally occurring radioactive materials (NORM) in the earth and in the materials (products, by-products, and wastes) derived from mining ...