Updated information on trends of climate extremes is central in the assessment of climate change impacts. This work examines the trends in mean, diurnal temperature range (DTR), maximum and minimum temperatures, 1951–2012 ...
Kenya’s Vision 2030 recognizes the enabling role of
Information and Communication Technology (
ICT
)
and anchors some
of its key aspirations upon the availability and adoption of computers for schools. The overall ...
he presence of hydrogen sulfide (H2S) and ammonia (NH3) in biogas pose serious human health and environmental challenges. In this study, H2S and NH3 were successfully removed from biogas using water hyacinth-derived carbon ...
Galactitol, in terms of its phase change enthalpy and temperature, is a promising phase change material (PCM) for medium temperature (150–200 °C) latent heat storage of solar cookers. This study aimed at determining the ...
Warburg, Christopher T.; King’ondu, Cecil K.(2014)
This study presents the investigation of material composition and energy characteristics of B. spiciformis, B. boehmii, C. molle, P. maprouneifolia, and S. birrea indigenous tree species at kitulangalo forest reserve in ...
Muthoka, Benard N.; Mulwa, Janet K.; Kamau, Leonard M.(201)
Schools play critical roles in implementation of primary school curriculum. However,
syllabus coverage and pupils' academic performance has been dismal. The purpose of this
study was to investigate the influence of ...
Mule, Joyce M.; Kalai, Jeremiah M.; Mulwa, Janet K.(2017)
The incorporation of stakeholders in decision-making goes a long way in creating an
enabling environment for learning and realizing organizational effectiveness. This study
sought to investigate the influence of Principals' ...
Honeybees (Apis mellifera) are principal insect pollinators, whose worldwide distribution and abundance is known to largely depend on climatic conditions. However, the presence records dataset on potential distribution of ...
Wasike, V. W.; Lesueur, D.; Wachira, Francis N.; Mungai, N. W.; Mumera, L. M.; Sanginga, N.; Mburu, H. N.; Mugadi, D.; Wango, P.; Vanlauwe, B.(Springer Verlag, 2009-09)
While soybean is an exotic crop introduced in Kenya early last century, promiscuous (TGx) varieties which nodulate with indigenous rhizobia have only recently been introduced. Since farmers in Kenya generally cannot afford ...
Obura, E.; Masiga, D.; Midega, C. A.; Wachira, Francis N.(2010-06-11)
Cynodon dactylon plants were observed at 5 locations in Mbita and 2 locations in Bungoma areas of western Kenya showing symptoms similar to Bermuda grass white leaf (BGWL) disease, caused by a phytoplasma. Affected grasses ...
Sudoi, Vincent; Cheramgoi, Evelyne; Langat, Joel K.; Kamunya, Samson M.; Wachira, Francis N.(2011-06-26)
Tea growers in Kenya are faced with a number of challenges; the major one being mite attack. It is therefore necessary to continuously breed and screen tea varieties that are not only high yielding but tolerant to mite ...
This work investigated the properties of scoria and pumice as supplementary cementitious materials (SCMs) for Portland cement and compared to those of rice husk ash (RHA). X-ray fluorescence, X-ray diffraction, and pozzolanic ...
An experimental study on the charging and discharging performance of a finned thermal energy storage unit (TESu) that utilizes
pentaerythritol (PE) as phase change material (PCM) was conducted. It is known that fins enhance ...
Mbuthia, S. K.; Wachira, Francis N.; Ngure, R. M.; Ouma, J.; Kagira, J. M.(National Research Center for Protozoan Diseases, 2011)
The current study investigated the effects of different types of Kenyan tea extracts on the pathogenesis ofTrypanosoma brucei brucei in a Swiss White mice model. Following infection with trypanosomes, the micewere monitored ...
This study reports on the transformation of biogas slurry into mesoporous carbon for supercapacitor electrodes. Pore structures have been modified by altering activation time, temperature and KOH/carbon mass ratio. The ...
Othira, J. O.; Omolo, J. O.; Wachira, Francis N.; Onek, L. A.(Academic Journals, 2012-06)
Striga hermonthica is one of the most important obligate root hemiparasitic weeds of cereals such as maize and sorghum. This study investigated the impact of arbuscular mycorrhizal fungi (AMF) on the Striga-maize host ...
Njuguna, D. G.; Wanyoko, J. K.; Kinyanjui, T.; Wachira, Francis N.(2013-01)
Studies were conducted on essential and toxic elements in the de-oiled tea seed oil cake in the Kenyan tea clones. They were analyzed for calcium, zinc, magnesium, copper, lead, cadmium and manganese by use of Atomic ...
Kenyan tea (Camellia sinensis) is widely grown for its leaves and is commercialized as black tea. Product diversification and value addition is currently an area of great interest. This study provides data on the ...
George, Kelvin O.; Moseti, Kelvin O.; Wanyoko, John K.; Kinyanjui, Thomas; Wachira, Francis N.(Scientific Research Publishing, 2015-04-30)
Catechins
(flavan
-3-ols) are polyphenolic plant secondary metabolites tha
t have been strongly
associated with a wide variety of beneficial health effects
in vitro
,
in vivo
and clinically. This ...
Moseti, K. O.; Wanyoko, J. K.; Kinyanjui, T.; Wachira, Francis N.(2013-05)
Fluoride in food is currently a subject of immense interest globally as it is directly related to health and disease. Tea leaves are rich in fluoride, part of which is released into the tea liquor during the tea making ...