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All sheet metal forming processes occur after permanent plastic deformation resulting in the material properties changing and therefore it is necessary to determine the extent to which a material can further be deformed for subsequent forming operations. Traditionally, experimental trial and...

This dissertation considers the single quantum pair annihilation of positrons with bound K-shell electrons in heavy atoms. It gives numerical calculations of the total cross section. By means of the method due to Basbas et a/.14, the binding-energy effect and its contribution to SQA cross...

The literature on the mineral deposits and small-scale mining activities in Zambia has been reviewed. The present state of the industry has been described with particular reference to the supportive services given by various institutions. The way in which the research, government and mining...

The ordinary time-independent Landau problem of a charged particle moving in an external perpendicular homogeneous magnetic field and the case of when a linear potential is introduced are reviewed for motion occurring in an infinite plane, on an infinite strip and in the half-plane. The first...

Studies were carried out in the South Luangwa National Park, located in the Luangwa Valley Zambia., on the behaviour, ecology and vectorial capacity of G. brevipalpis and G. m. morsitans and G. pallidipes. The catch of G. brevipalpis was low in odour baited epsilon, NGU2G, F3 and biconical traps...

The work presented here is a survey of some known results in functional analysis, particularly in the field of Operator theory. The study begins with definitions of linear spaces and some topological results which form the necessary background.Chapter two is the heart of the work and deals with...

The work presented here is a survey of some known results in functional analysis, particularly in the field of Operator theory. The study begins with definitions of linear spaces and some topological results which form the necessary background. Chapter two is the heart of the work and deals with...

Laminar stability flow for incompressible fluid flow in two dimensional symmetric channels of variable width is reviewed through a survey of various related topics, Many authors whose works are reviewed here investigated linear stability using the "WKB' method in which regions of growth of a...

Zambia, where annual rainfall is moderate to meagre over large parts of the country, and year to year variations are large, unpredictable weather can prove to be a serious obstacle to stable and systematic agricultural production. For effective agricultural planning on a rational and scientific...

The Electoral Commission of Zambia (ECZ) is the constitutional public institution established for the purpose of primarily conducting presidential and parliamentary elections in the Republic of Zambia. The ECZ consists of 5 full time commissioners, inclusive of the Chairperson, all of whom are...