Maseno University Repository: Recent submissions
Now showing items 2661-2680 of 5713
-
: Spray Pyrolysis Technique (SPT) was used to deposit thin films (TFs) of cadmium stannate, doped with iron (Fe) for the first time. The precursor solutions that were used wereprepared at a concentration of 0.1M, doped with Feand then sprayed onto the pre-heated glass slides immediately at deposition temperatures of 350 ± 7°C, 400 ± 7°C and 450 ± 7°C. The optical properties of the deposited Fe-doped TFs were studied in the wavelength range of 300-1100nm. The X-Ray diffraction (XRD) studies showed that the TFs were orthorhombic with growth orientation along the (2 0 0) direction. Film thickness of 85 ± 10 nm was obtained. It was found out that anincrease in the deposition temperature increased transmittance and band gap, but decreased absorption coefficient, extinction coefficient and refractive index, which was attributed to the improvement in crystallinity of the deposited TFs. Doping reduced transmittance and band gap, but increased refractive index, absorption coefficient and extinction coefficient, which was attributed to the increase in free carriers. KEYWORDS:cadmium stannate, deposition temperature, iron-doped, optical properties of cadmium stannate
(Elsevier, 2020)The elastic properties of the orthorhombic cadmium stannate (Cd2SnO4) were investigated using density functional theory, applying both energy-strain relationship (which is found in the literature) and stress-strain ... -
Effect Of Deposition Temperature On The optical Properties Of Iron-Doped Cadmium Stannate Thin Films Deposited By Spray Pyrolysis
(IJSTRE, 2019): Spray Pyrolysis Technique (SPT) was used to deposit thin films (TFs) of cadmium stannate, doped with iron (Fe) for the first time. The precursor solutions that were used wereprepared at a concentration of 0.1M, doped ... -
Nurses’ knowledge related to pain assessment for critically ill patients at a public sector hospital in Johannesburg
(University of the Witwatersrand, 2014)Discrepancies exist between how pain is assessed in ICU patients able and unable to self report. There are pain assessment scales and guidelines that have been developed over the years for pain assessment. However, little ... -
Nurses Compliance With Focused Antenatal Care In Siaya County Kenya
(International Organization of Scientific Research, 2018) -
Health literacy knowledge and experience of bachelor nursing students at a university in the Western Cape
(University of the Western Cape, 2016)Background: Health literacy is defined as the degree to which an individual has the capacity of obtaining, processing, and understanding basic health information and services needed for one to make appropriate decisions ... -
Alcohol use among khat (Catha) chewers in Kenya
(Blackwell Publishing Ltd, 1987-01)Among one hundred randomly selected outpatients at the Meru District Hospital in Kenya, 29 (28 men and 1 woman) were Khat chewers. Six of these were ‘heavy’ and 23 ‘moderate’ users. Twenty out of 29 Khat chewers also used ... -
Prevalence of khat chewers among primary health clinic attenders in Kenya
(Blackwell Publishing Ltd, 1987-03)In a rural district hospital in Kenya, the authors screened 100 randomly selected outpatients for khat (miraa) chewing. A surprisingly high number of them admitted chewing khat leaves. The implications of this finding and ... -
Comparison of economic impact of alternative constraint control measures in indigenous chicken production in Nyanza Province, Kenya
(CIPAV Foundation, 2013)This study compared the costs and benefits of six alternative control measures on the indigenous chicken productivity constraints with an aim of identifying the most desirable mitigation measure; for improved productivity ... -
Epidemiological assessment of productivity constraints and appropriate intervention measures on indigenous chicken production in southern Nyanza, Kenya
(University of Nairobi, 2014)The purpose of this study is to determine the factor(s) that limit indigenous chicken productivity; assess and prioritize them and come up with appropriate interventions that are sustainable in this livestock production ... -
Participatory epidemiological assessment of factors that limit indigenous chicken productivity under free range system in south western Kenya
(Livestock Research for Rural Development, 2016-10-01)This study used participatory epidemiology (PE) tools and laboratory investigations to assess the factor(s) that limit the productivity of the free-ranged indigenous chickens in south western Kenya. The study was conducted ... -
Alcohol use among khat (Catha) chewers in Kenya
(Blackwell Publishing Ltd, 1987-01)Among one hundred randomly selected outpatients at the Meru District Hospital in Kenya, 29 (28 men and 1 woman) were Khat chewers. Six of these were ‘heavy’ and 23 ‘moderate’ users. Twenty out of 29 Khat chewers also used ... -
Characteristics of psychosocial support seeking during HIV-related treatment in western Kenya
(Mary Ann Liebert, Inc., 2008-07-01)While the characteristics of those who seek psychosocial support following an HIV diagnosis have been well documented in western countries where linkages between HIV-related treatment and psychosocial support programs are ... -
Validity/reliability of PHQ-9 and PHQ-2 depression scales among adults living with HIV/AIDS in western Kenya
(Springer-Verlag, 2009-02-01)Background Depression greatly burdens sub-Saharan Africa, especially populations living with HIV/AIDS, for whom few validated depression scales exist. Patient Health Questionnaire-9 (PHQ-9), a brief dual-purpose instrument ... -
Systematic cultural adaptation of cognitive-behavioral therapy to reduce alcohol use among HIV-infected outpatients in western Kenya
(Springer US, 2010-06-01)Two-thirds of those with HIV worldwide live in sub-Saharan Africa. Alcohol use is associated with the HIV epidemic through risky sex and suboptimal ARV adherence. In western Kenya, hazardous drinking was reported by HIV ... -
Investigation of some factors that lead to improved performance vis-a-vis the efficiency of single basin solar stills
(Ashdin Publishing House, 2011-01-01)More often than not, the study of solar stills and their performance is restricted to the solar radiation at the place of study, certain parameters and factors have been found to improve the performance of solar stills in ... -
Equitable allocation and distribution of education bursary fund in Siaya County, Kenya
(Afr Educ Res J, 2020)Globally, there exist bursary schemes that are in place to enhance access and equity in the provision of education to the disadvantaged. In Kenya, there have been bursary schemes that enhances access and equity in the ... -
RELATIONSHIP BETWEEN HUMAN RESOURCES AND STUDENTS’PERFORMANCE IN KISUMU COUNTY
(International Journal of Education and Research, 2020)Primary schools exist to fulfill certain mandates that include offering quality education to learners, maximizing the stakeholders’ interest, social responsibility and ethics. However, the achievement of these mandates has ... -
https://ijehss. com/uploads2020/EHS_3_70. pdf
(International Journal of Education Humanities and Social Science, 2020)Education is an important component of developing the personal moral character of children which is an essential prerequisite for the continuation of civilization. Moral values such as honesty, mutual respect, civility and ... -
Influence of Physical Facilities on Academic Performance in Constituency Development Fund (CDF) Built Secondary Schools in Rachuonyo South Sub-County, Kenya.
(Net Journals. 25 Akintola Road, Sapele, Delta State, 331107, Nigeria, 2020-07)In 2013 and 2014, over 50%(728 out of 1336 and 778 out of 1491) of candidates enrolled in constituency development fund (CDF) built secondary schools in Rachuonyo South sub-County got E to D grades which are below the ... -
The influence of globalization on management of universities in Kenya
(Baraton Interdisciplinary Research Journal, 2015)Globalization is characterized by, but not limited to, liberalism, free market policies, information and communication technology, inter-connection, inter dependence, and borderless border that has made the world a global ...