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 ...

Cheng (2003) model of the extra-thoracic respiratory tract was used to calculate the deposition efficiency of aerosols of aerodynamic diameter ranging from 0.1 m to 72 m. The model assumes the deposition in the ...

Modern transport and freight distribution system all over the world are tending towards the adoption of best practices those are reliable, timely and cost effective. Multimodal transport between road and rail, also known ...

Railways are prime mode of transportation and large infrastructures in many countries. Accidents occurring in railway transportation systems cause loss of precious lives and property. One of the major accidents occurring ...

Ethiopia has recently finished constructing the first Light Rail Transit (LRT), in the history of the country. Our new experience demands other pioneer countries’ huge experience on LRT track inspection methods, frequency ...

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 research is identifying rainwater harvesting as alternative water supply sources in Siyadebirna wayu woreda to solve shortage of water during critical dry seasons. The research is carried out ...