Globally, the telecommunication sector is under a regular reform process in the form of privatization andrnliberalization of the market as well as establishing an independent regulatory authority to fosterrncompetition and protect the interests of customers from unjust practices of operators. As...
··.This thesis comprises o f a descri ptive and experimental study.rnThe study h2s been conducted t o investigate the content and test therneffectiveness of the English teaching radio programmes that arernbroadcast to supplement the classroom English teaching . Each of therngrades :rom three...
Applying c-number Langevin equations, we have calculated the Q function for the two-rnmode coherent and subharmonic light. We have then determined the Q function for thernsuperposition of these two light beams. With the aid of the pertinent Q functions, wernhave obtained the mean and variance of...
Understanding the nature of traffic and its associated delay process in high traffic systems,rnsuch as the Internet, is essential for Engineering, Operations & Performance evaluation ofrnthese networks. It has been a common practice to assume packet arrivals as a Poisson Processrnin modelling high...
The main objective of this research study to constrain the petrogenesis of granitoid rock of Assosa area. To achieve objective successfully, different research method had been done like: field investigation, petrographic analysis and description and geochemical data analysis and interpretation....
Back ground: Mother to child transmission of HIV is responsible for about 20% of all HIVrntransmissions of which 95% are found in the Sub-Saharan Africa. Without any intervention,rnMTCT of HIV among non-breastfeeding infants’ ranges from 14-32% in developed nations torn25- 48% in resource...
Giardia cysts and Cryptosporidium oocysts are (protozoan single cell) causative agent forrnmost of enteric diarrhea and resistant to most of disinfectants. The main purpose of thisrnresearch was to determine, enumerate and test viability of Giardia cyst and Cryptosporidiumrnoocysts in Addis Ababa...
The main objective of this study is to identify the role of Assets Disclosure and Registration law inrnthe reduction of corruption through the Federal Ethics and Anti-Corruption Commission of Ethi-rnopia. The introduction and implementation of the Assets Disclosure and Registration law by...
Channel proteins that selectively conduct molecules across the cell membrane often exhibitrnan asymmetric structure. By means of a stochastic model the channel asymmetry in thernpresence of non equilibrium fluctuations can influence the transport through such channelsrnby a ratchet like mechanism....
The present study was carried out in MelU National Park, Kenya and adjacent farms fromrnSeptember 2000 to February 2001. The diversity and distribution of bats based on vegetationrndisturbance and plant species cover/abundance were examined. Four hundred and ninety fivern(495) bats representing the...
The objective of the study reported in this thesis has been to develop a unified algorithmrnfor the computer-aided design of a wide range of electrical network configurations.rnWhile the design has been based on well-known techniques established earlier by otherrnresearchers, the present work has...
Background: Cervical cancer is the second most common cancer among womenrnworldwide. About 83% of the cases occur in developing countries, representing 15% ofrnfemale cancers .In Ethiopia, prevalent cancer among women between 15 and 44 years ofrnage with age specific incidence rate of...
Pancake tortoise MaiacocherslIs tomieri is a rock crevice-dwelling terrestrial testunidrninhabiting rock outcrops and kopjes discontinuously distributed throughout the semi-aridrnand arid savannas (Somali-Masai floristic zone) of Kenya and Tanzania. Theirrndistribution overlaps with that of...
Lake Hawassa is used for a variety of purposes like fishing, recreation, swimming, drinking water supply by the communities surrounding it and cultivation of vegetables. However, it is exposed to wastewater discharge from the city and polluting the aquatic ecosystem. The objective of this study was...
The studied area is located 335 Km. southwest of AddisrnAbaba in the southwestern Ethiopian plateau. Over half of thernmap-area is underlain by thick basalt flows inter layered withrntuffs and volcanoclastic sediments. The Jimma Volcanics, whichrnis mainly composed of massive rhyolite in thick...
So far the Ethiopian Electric Power Corporation (EEPCo) has been electrifying the remote rural areas of the country by extending the national grid. Despite the tremendous efforts exhibited during the past few years, there are still exceedingly many people without access to electricity services....
The study sought to investigate the contributions of strategic planning to organizationalrnperformances in the selected sectors of Sululta Town. The study has also sorted out the context ofrnstrategic planning prior to its design. In addition, the research investigated the practices andrnchallenges...
We consider the behavior of 2D systems in the strong magnetic elds and at lowrntemperature. The main attention is devoted to the quantum Hall e ect in tworndimension electron gas and in one layered graphene . The original part of the workrnis the analysis of Landau level of mono layer graphene in...
Water pollution is a global problem and has been evident for long period of time. Thernimpact of urbanization on the rivers and streams is increasing with the development ofrnindustry and population size in the city of Addis Ababa. The fast population growth,rnuncontrolled urbanization and...
Background- Breastfeeding and good nutrition for children are essential for achieving thernMillennium Development Goals, particularly the goals relating to child survival. Even thoughrnmost mothers in Ethiopia breastfeed their babies, they do not always follow thernrecommendations of the "National...