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Effects of pre-treatments methods on the germination of pod mahogany (afzelia quanzensis)and mukusi(baikiaea plurijuga)seeds
(International Journal of Innovative Research in Science, Engineering and Technology, 2014-01)
Seed pre-treatments (mechanical, concentrated sulphuric acid for 3, 6, 9 and 12 minutes, hot water treatments for 3, 6, 9 and 12 minutes) were carried out to overcome seed dormancy of Afzelia quanzensis and Baikiaea plurijuga ...
Effects of combined apertures on the magnitudes of electric coupling coefficients of combline resonators
(IOP Publishing, 2014)
The effects of differently positioned and combined apertures on the magnitudes of electric coupling coefficients of two identical combline resonators are analysed. Coupling coefficient, k-vertical symmetry provides greater ...