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 ...

is now constructing a modern and reliable railway industry, consequently; one main problem of the Rail vehicle transportation industry is its accidents. This paper will attempt to develop a passive safety consideration ...

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 ...

The main focus of this study is to see how intensity of rainfall changes in the Upper Blue Nile River Basin under the conditions of the changed climate. Predicted future climate change impacts indicate that there will be ...

Flow estimation at a point in a river is vital for a number of hydrologic applications including flood forecasting, water resource management, and for development applications. This paper presents the result of a watershed ...