Browsing Journal Articles by Title
Now showing items 621-640 of 874
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Monitoring the extraction of copper from chicken dung leachate using an aluminium electrode as an indicator
(Elsevier Ltd., 2019-11)Copper is found in several minerals in the earth's crust with varying the elemental and mineralogical composition.Several techniques of extraction have been investigated all in the effort of obtaining a cheaper and viable ... -
Morphometric Study of Senna didymobotrya (Fresen.) H. S. Irwin and Barneby in Kenya
(IISTE, 2017)Herbal medicine has been used for many years and it remains widespread in developing countries while the use of complementary alternative medicine is increasing rapidly in developed countries. Senna didymobotrya is important ... -
Mosquitoes composition, abundance and distribution in swampy and flooded shoreline habitats of Lake Baringo, Kenya, during a period of extreme flooding (2012-2013)
(2020-10)Mosquito ecology is influenced by wetness in the environment. In 2011-2014, a rise in waters of Lake Baringo resulted in unprecedented flooding that inundated over 88km2 of the shoreline. A longitudinal study carried out ... -
Motivating Students to Learn Chemistry by Programmed Instruction: The case of Kenyan Secondary Schools
(Scholars Academic and Scientific Publishers (SAS Publishers), 2016-08)This study investigated how students‟ motivation in Chemistry is affected through the use of Programmed Instruction in abstract topics. The research location was Butere sub-county, Kakamega County, Kenya. Quasiexperimental ... -
A multi-institutional, cross-sectional study on disclosure of HIV status to sexual partner(s) and associated factors among people living with HIV/AIDS attending selected hospitals in Kigali, Rwanda
(2020-02)Background: In Sub-Saharan Africa, human immunodeficiency virus (HIV) remains a public health problem. There is need for evidence-based interventions to curb new infections. HIV status disclosure, especially to sexual ... -
Multiobjective optimal power flow for static voltage stability margin improvement
(Elsevier, 2021-12)Worldwide, utilities are aiming to increase the stability of modern power systems during system disturbances. Optimizing generation scheduling can improve system security in contingency and stressed conditions while lowering ... -
Natural Convection in a Rectangular Enclosure with Colliding Boundary Layers
(Journal of Applied Mathematics & Bioinformatics, 2014)The movement of the fluid in natural convection results from the buoyancy forces imposed on the fluid when its density in the proximity of the heat transfer surface is decreased as a result of the heating process. The ... -
The nature and extent of adoption of climate-smart agriculture technologies in Murang’a County, Kenya: A case of Kiharu Constituency
(Journal of Emerging Technologies and Innovative Research, 2023-09)Climate-smart farming, regenerative farming techniques and carbon farming are gaining popularity worldwide due to their potential to improve food and nutrition security. Kenya’s agriculture is largely rain-fed and characterized ... -
Nesting success of Sharpe’s Longclaw (Macronyx sharpei Jackson, 1904) around the grasslands of lake Ol’bolossat Nyandarua, Kenya
(Threatened Taxa, 14(1), 20461–20468, 2022)Sharpe’s Longclaw Macronyx sharpei is an endangered Kenyan endemic bird restricted to high-alttude grasslands with long tussocks. The species occurs on the grasslands surrounding Lake Ol’Bolossat in Nyandarua, Kenya, an ... -
Nestng success of Sharpe’s Longclaw (Macronyx sharpei Jackson, 1904) around the grasslands of lake Ol’bolossat Nyandarua, Kenya
(Journal of Threatened Taxa 14(1): 20461–20468, 2022)Sharpe’s Longclaw Macronyx sharpei is an endangered Kenyan endemic bird restricted to high-alttude grasslands with long tussocks. The species occurs on the grasslands surrounding Lake Ol’Bolossat in Nyandarua, Kenya, an ... -
Network Intrusion Detection Systems: A Systematic Literature Review of Hybrid Deep Learning Approaches
(2022-06)Network Intrusion Detection Systems (NIDSs) have become standard security solutions that endeavours to discover unauthorized access to an organizational computer network by scrutinizing incoming and outgoing network traffic ... -
A neuro fuzzy model of an induction motor for voltage stability analysis using continuation load flow
(2011)This paper uses the concept of the continuation power flow analysis used in voltage stability analysis.It uses the continuation load flow to plot the PV (pressure-volume) curves of an induction motor load. A neuro-fuzzy ... -
Neuro-Fuzzy Control Technique in Hybrid Power Filter for Power Quality Improvement in a Three-Phase Three-Wire Power System
(2015-11-18)Hybrid power filters have proven to play a vital role in harmonic elimination as well as reactive power compensation in power systems concentrated with highly nonlinear loads which has in the last decade increased due ... -
A New Complexity Metric for UML Sequence Diagrams
(2023-01)Object-Oriented Programming (OOP) has been promoted as a way to produce high-quality software while increasing developer productivity through code reuse. Software systems and underlying designs get more extensive and more ... -
New Media and Political Marketing in Kenya: The Case of 2013 General Elections
(2014-08)The paper examines the role of new media in political marketing during the 2013 general elections in Kenya.The ways in which politicians market themselves in the political realm have changed dramatically since the emergence ... -
A new species of Tarabulida (Solifugae: Daesiidae) from Kenya, with the first complete description of a male of the genus
(Bio One, 2010)We describe a new species of Tarabulida Roewer 1933 from Kenya. This genus was previously known from only two species (Tarabulida ephippiata Roewer 1933 and Tarabulida fumigata Roewer 1933) from Libya, which were described ... -
A New Sterol Diglycoside from Conyza floribunda
(The South African Journal of Chemistry, 2009)Chemical investigation of CH2Cl2 and MeOH extracts of Conyza floribunda have led to the isolation of (24S)-ethylcholesta-5, 22E, 25-trien-3-O-glucosyl (1” 4’)-rhamnoside (1), (24S)-ethylcholesta-5,25-dien-3-O- -glucoside ... -
Newspaper Framing of The War on Terror and its Implications for Human Rights: The Case of Garissa Terrorist Attacks in Kenya
(2022-07)The study explores how the framing of the war on terror in Kenyan newspapers is re-shaping the human rights discourse. It principally explores how Kenya's counterterrorism responses since the late 1990s have impacted ... -
Nitrogen-Doped Carbon Nanotubes Synthesised by Pyrolysis of (4-{[(Pyridine-4-yl)methylidene]amino}phenyl)ferrocene
(Hindawi Publishing Corporation, 2013-08-13)Nitrogen-doped carbon nanotubes (N-CNTs) were synthesized by pyrolysis of (4-{[(pyridine-4-yl)methylidene]amino}phenyl) ferrocene in a solution of either acetonitrile or toluene as carbon source. This was achieved by testing ...