Masters Theses:Department of Physical Sciences

Microplastic Abundance, Composition and Distribution in the Endorheic Lake Naivasha, Kenya

Migwi, Francis Kigera (University of Embu, 2020-10-28)

Plastic pollution has recently gained global concern due to the negative effect it presents on both the environment and human health. In the environment, plastics degrade yielding millions of micro- and nano-scale plastic ...
Structure and Biomass Accumulation of Natural Mangrove Forest at Gazi Bay, Kenya

Githaiga, Michael N. (Kenyatta University, 2013-08)

Mangroves occupy only 0.4% of forested areas globally but are among the most productive ecosystems on earth. They account for about 11% of the total input of terrestrial carbon into the oceans. The above ground carbon ...
Preparation and Properties of Long Afterglow CaAl2O4 Phosphors Activated by Rare Earth Metal Ions

Wako, Ali Halake (University of the Free State Republic of South Africa, 2011-11)

This work comprises of several aspects of calcium-aluminate phosphor activated with rare earth metal ions i.e. (CaAl2O4:Eu2+, Nd3+, and Dy3+). In particular the luminescent and structural properties of the long afterglow ...
Low Cost Pozzolana based Cement from Industrial and Agricultural Waste Materials

Wachira, Jackson M. (Kenyatta University, 2003-09)

This thesis reports the results of a study aimed at making low cost cement from some agricultural and industrial wastes. The utilization of these wastes would avail an economical and environmentally friendlier waste ...