The r-Bell number ^Br(G) of a simple labeled graph G is the number of partitions of its vertex set whose blocks are independent sets of G where the _rst r-vertices are in di_erent blocks. The number of these partitions ...

In this work our purpose is to calculate the pion radiative decay constant using the formulation of Bethe-Salpeter equation under covariant Instantaneous Ansatz(CIA) after inclusion of both leading(LO) as well as ...

This study aimed at assessing the coverage of the 2015 national election of Ethiopia on the first established private FM radio, Fana F.M 98.1. The study employed quantitative content analysis. The sample selection underwent ...

The low latitude and equatorial ionosphere TEC and S4 index variability are investigated using observational data. Two GPS stations namely Addis Ababa located at geographic latitude 9°.034 N and longitude 38°.67 E and ...

Since railway is considered as optimal solution for the quickly growing transportation demand its design, construction and maintenance should get proper attention. In rail route design, we may need (be forced) to consider ...

The continuous miniaturization process of computing devices featuring wireless technologies influences our everyday life. With the popularity of laptops, cell phones, PDAs, GPS devices, RFID, and intelligent electronics ...

Recently, railway traffic has increased considerably in the different parts of the world; moreover, it is expected that railway transportation will further grow for both passenger and freight transportation. These ...

Agricultural production in Ethiopia is predominantly rainfed. Variation of rainfall in space and time affects the agricultural production system in the country. This needs accurate measurement of rainfall and close study ...

The main objective of this thesis is to assess the potential of rain water harvesting practice to solve problems of both increasing water demand and storm water in Addis Ababa city. The research is carried out based on ...

Livestock production is essential for household food security in pastoralist areas since they uses their products directly to exchange with other household commodities. Yabello Woreda is one of the pastoral Woredas found ...