Browsing Faculty of Science & Technology (FST) by Issue Date
Now showing items 21-40 of 853
-
Fabrication and Cha r actcrization of Aluminum and Gallium Morroand Co-doped Zinc Oxide Thin Films by Radio Frequency Sputtering For photovoltaic Applications
(28-04-14)There is need to provide low resistivity ZnO transparent conducting thin films by radio frequency (rf) magnetron spunering technique for commercial photovoltaic applications. Rf magnetron spunering technique has comparative ... -
Performance of Ti02/In(OH)xSylPb(OH)xSy Composite eta Solar Cell Fa bricated from Nitrogen Doped Ti02 Thin Film Window
(28-04-14)TiO~ th in lilills were doped with nitrogen (N2) gas and the presence of nitrogen atoms was confirmed in the films hv Energy dispersive x-ray (EDX) spectrum analysis. Undoped TiO: thin films had an energy band gap of ... -
Morphological and Stru crural Ch a r a cter iz.a tion of Ti02/N b20S Composite Electrode Thin Films Synthesized by Electrophoretic Deposition (EPD) Technique
(28-04-14)Composite electrodes of titanium dioxide (Ti02) and niobium (v) oxide (Nb?05) have been deposited onto glass substrates by electrophoretic deposition (EPO) technique. The mechanism of EPO involves charged particles in a ... -
Niobium Doped Ti O, (Nb:Ti02) Effects of Doping Concentration on the Optical Properties of Ti O2
(28-04-14)The optical band gaps and crystal structure were inve stig ated on niobium doped TiO~ (for atomic niobium concentrations ranging from 0.02 -0.06 at. % in the composite) prepared by high temperature diffusion method. The ... -
Nanoporous Ceramics for Water Filtra tion
(28-04-14)Over four billion cases of diarrhea that occur worldwide each year result ill about 18 million deaths. In the developing countries (in Africa) over 35% of the population suffers from diseases related to unsafe water ... -
Optical Characterization of Compounds for Dye-Sensitized Solar Cell Applications
(28-04-14)The d\ e·~cn~ltized solar cell can provide an economically credible alternative in miugaring the challenges presented by the current convectional photovoltaic devices. Whereas the se m iconductor assume both the task of ... -
Mobile Blogging System
(University of Nairobi.School of Computing and Informatics, 28-08-08) -
F AMIL Y PLANNING AND SEXUAL BEHA VIOUR IN THE ERA OF STDs AND HIV/AIDS: A CASE OF NAKURU DISTRICT , KENY A
(29-06-13)n the recent times, there has been a remarkable increase in the prevalence of contraceptive use in Kenya. While use of modern contraceptives has been somewhat successful in preventing unwanted pregnancy and allowing ... -
Creating Empirical Models: A step by Step introduction to the construction of a simple correlation and regression-based forecast model
(University of Nairobi,Meteorology Department, 29-07-02) -
Ab-initio Studies of point defects in TiO2: A density functional approach
(University of Nairobi, 29-11-13) -
Optoelectronic Properties of Palladium Doped Tin (IV) Oxide (Pd: Sn02) Tlfin Films Deposited by Spray Pyrolysis
(University of Nairobi, 29-11-13) -
3-Category Pedagogical Framework for Context based Ambient Learning
(31-05-13)Mobile phones have taken centre stage in transforming people's lives in all sectors of African economies. With regard to Education sector, studies show that, there is high prevalence of mobile phones among learners in ... -
Contributions to a knowledge of termite fungi in East Africa. The genus Termitomyces Heim
(University of Nairobi, 1966) -
A Delphi Study to Determine Factors which Contribute to Success in Administration of AA High Schools in Texas"
(University of NairobiSchool of mathematics, 1969) -
A computer program for self‑analyzing students evaluation data by the individual faculty
(University of NairobiSchool of mathematics, 1969) -
Phenotypic diversity and breeding of forage cowpea
(College of Biological Sciences, University of Nairobi, 1970)In a study of 13 characters in the world collection of 1072 cowpea cv. at Jhansi, 11 plant types were recognized, of which 3 occurred only in India. 50 cv. yielding 40, 000-50, 000 kg fodder/ha in 2 cuttings with CP content ... -
Trigonal Sexadentate Complexes of Schiff Base Derivatives of 1,1,1-Tris(aminomethyl)- ethane
(University of NairobiDepartment of Chemistry, 1971-09)