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An ecological study was undertaken over a period of one and half years in miombo woodland found in Serenje District, Zambia in order to determine the extent of woodland degradation in the study area as well as determining the avifauna community structure in the study area, and how it responds to...

The work covered in this thesis was carried out between March 1988 and March 1991 in Kenya. The first 8 months of this 3-year study period was spent on compulsory course work and developing a research proposal under the African Regional Postgraduate Programme in Insect Science at the...

The need to determine constituent elements in materials so as to meet various technological demands in many fields is of an extreme importance. This work is an attempt to establish the efficacy of using non-destructive neutron activation methods based on instrumental gamma-ray spectrometry for...

III-V semiconductors and their alloys are by no meanssimple and have some rather subtle properties There fore their increasing commercial exploitation has stimulated phenomenal growth in the research effort devoted to studying their defects and radiation effects. NMR spectroscopy has become...

Numerical anxiety was investigated in the light of poor mathematics achievement and negative attitudes held by learners towards mathematics. Two instruments, a two dimensional scale measuring general anxiety and numerical anxiety, and a mathematics achievement test comprising items specific to a...

_ Let * be a root system in a £-dimensional real Euclidean space V with Weyl group W( £), and let W+{<f) denote its rotation subgroup. In [173 » the projective representations of the rotation subgroup W ( 9) have been determined from those of W( $) for each root system $. This is done by...

Saeed [11] has considered Schur multipliers of some of the finite abelian groups.The study of the schur multipliers of abelian groups is the first step in the studying of the projective representations of such groups. Our objective here is to determine the Inequivalent Irreducible projective...

Bulk Hetero-Junction - (BHJ) - Organic photovoltaic (OPV) cells based on the conjugated polymer poly (3-hexylthiophene-2, 5- diyl) (region-P3HT) also referred to as P3HT and a fullerene derivative [6, 6] Phenyl-C61-butyric acid methyl ester (C60-PCBM) also referred to as PCBM. The optimization,...