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The role of Aquaculture enterpreneurship in youth economic empowerment in Sagana fisheries, Kirinyaga county, Kenya
(University of Nairobi, 2012)
Since independence, Kenya has been grappling with an increasing population which is not in
tandem with the rate of job creation hence slow economic growth and development. The Youth
form the largest segment of the ...
Development Of High Strength Lime Pozzolana Pastes
(University of Nairobi,, 2014)
Non - hydraulic hydrated lime is a binder obtained by heating rocks, sand or shells containing calcite to temperature between 900 °C an d 950 °C to produce CaO, which is then slaked with water to produce Ca(OH) 2 . It sets ...
The relevance of Odera Oruka’s political thought to early twenty-first century Kenya
(University of Nairobi, 2013)
The late Prof. Odera Oruka recognised that while hi
s sage philosophy project was important as a
liberating venture, African philosophers had other
important facets of inquiry to attend to. In
particular, he called for ...
Narrative Structure and Metaphor: Towards a new aesthetics of the Kiswahili novel
(Univesity of Nairobi, 2011)
For a long time the Kiswahili novel has been firmly rooted in the classical realism associated with 19th Century European novel. There are a number of features that are associated with that mode of representing reality. ...
A model based on reaction kinetics and elemental diffusion is proposed to account for the presence of double inflection in the hardness profiles of the heat-affected zone (HAZ) in weldments of AI-Li-X alloys tested without postweld heat treatment (PWHT). Such profiles are particularly evident when 1 ) the base metal is in the peak-aged (T8 or T6) temper condition prior to welding; 2) the welding process is a high-heat input process, i.e., gas tungsten arc (GTA), gas metal arc (GMA) or plasma arc (PA) welding; and 3) a filler alloy deficient in lithium (i.e., AA 2319)is used. In the first part of this paper, the theoretical mechanisms are presented. It is proposed that the double inflection appears due to complete or partial reversion of the semi-coherent, plate-like precipitates (i.e., 0% T 1 or S'); coarsening of the platelike precipitates at constant volume fraction; precipitation of ~5' as a result of natural aging; and diffusion of lithium from the HAZ into the weld pool due to the concentration gradient between the weld pool and the base metal. In the second part (to be published in next month's Welding Journal), experimental validation of the model is provided using weldments of the AI-Li-Cu Alloy 2095.
(2012)
Pt-based alloys for high-temperature applications in aggressive environments have been under
development for over 10 years, and are targeted to be used as either as bulk, or as coatings.
The alloys comprise Pt, Al, Cr, ...
Digital divide; the glaring reality
(2012)
The power to access information and technology is important in daily global
operations in different aspects of the society,
be it economical, political or
social.
Each and every country has different levels
of information ...
Non-Usage of Pedestrian Footbridges In Kenya: The Case Of Uthiru Pedestrian Footbridge On Waiyaki Way
(University of Nairobi, 2013)
Pedestrian overcrossings serve many users including bicyclists, joggers and pedestrians who are either able bodied or physically challenged. These facilities can represent one of the most important elements of a community’s ...
Balancing work and study A necessity for successful Distance Learning
(University of Nairobi, 2015-07-19)
As the country re- evaluates the achievement of Millennium goals, it becomes important for Kenya to take its toll. One of the intentions was to increase gross enrolment rate in higher education. The projection was to ...
A multilevel analysis of prenatal care and birth weight
(University of Nairobi, 2012)
The paper investigates the effect of adequate use of prenatal care on birth weight in Kenya using data from the Kenya Demographic and Health Survey of 2008–2009 together with additional administrative data. Both a single–level ...
Importance of livestock and the technological and policy challenges facing the development of livestock in Africa
(University of Nairobi., 2013)