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Now showing items 11-20 of 104
A xanthone and a phenylanthraquinone from the roots of Bulbine frutescens, and the revision of six seco-anthraquinones into xanthones
(University of Nairobi, 2014)
Phytochemical investigation of the dichloromethane/methanol (1:1) extract of the roots of Bulbine frutescens led to the isolation of a new xanthone, 8-hydroxy-6-methylxanthone-1-carboxylic acid (1) and a new phenylanthraquinone, ...
Optical and Electrical Properties of Magnesium Doped Zinc Oxide for Photovolraic Applications
(2014)
This research is an experimental design which came up with the opticaJ and electrical properties of
magnesium eloped zinc oxide foi; photovoltaic applications. The specific objectives are to determine the
Optical properties, ...
Chemical Energy Sources Transformations by Remote Experiment
(2014)
The paper describes the first experience with the set up, functioning and data evaluation of the remote experiment “Energy transformation” accessible via Internet (http://remotelab10.truni.sk) as a part of the e-laboratory ...
Laboratory as a Service (LaaS): a Novel Paradigm for Developing and Implementing Modular Remote Laboratories
(2014)
The increasing adoption of remote laboratories in education along with the shift from eLearning 2.0 towards eLearning 3.0, have demanded several considerations in their implementation and delivery format. In response to ...
Formulation of a vector SIS malaria model in a patchy environment with two age classes.
(University of Nairobi,, 2014-01-22)
We formulate an SIS model describing transmission of highland malaria in
Western Kenya, the host population is classified as children, age 1- 5 years
and adults, above 5 years. The susceptibility and infectivity of an ...
Improved Quality and Reliability in Telecommunication Network Testing by means of a Remote Online Test System
(2014)
Increasing demand for high quality and reliable operation of the telecommunication network services and its applications have been the main challenges of the telecommunication network providers in the last decade. In this ...
Image Fusion and Evaluation of Geological Disaster Based on Remote Sensing
(2014)
The investigation of geological disaster in our article locates in southern Australia, which is characterized by wide range, high relief, inaccessibility and other unfavorable factors. Multi-spectral ETM+ and SPOT 5 pan ...
RoombaCreate® for Remote Laboratories
(2014)
Internet has advanced significantly with the aid of electronics and communication technologies. This allows us to undertake ambitious activities over the Internet, which are unthinkable even few years back. With this new ...
A Web-Based Remote Lab Platform with Reusability for Electronic Experiments in Engineering Education
(2014)
This contribution shows the concept and the steps of how we can create a Web-based remote lab platform with reusability capability that can be mainly used in engineering and science education for teaching electronics. ...
Larvicidal Activities Of Extracts And Rotenoids From Millettia Usaramensis Subspecies Usaramensis On Aedes Aegypti (Linnaeus, 1762) (Diptera: Culicidae)
(University of Nairobi, 2014)
The dichloromethane/methanol (1:1) extract of the stem bark of Millettia usaramensis subspecies usaramensis was tested for its larvicidal activity against the 4th instar Aedes aegypti larvae and demonstrated activity with ...