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Preparation and Properties of Long Afterglow CaAl2O4 Phosphors Activated by Rare Earth Metal Ions
(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 ...
Factors Affecting the Implementation of Water Sector Reforms Strategy: A Case of Tana Water Services Board
(Kenyatta University, 2011)
According to the National Water Services Strategy (2007-2015), water is the most
important natural resource, indispensable for life and the backbone of the growth and
prosperity of mankind. ...