This study examines the airline-specific, industry-specific and macro-economic factors affectingrnairline profitability for the three airlines in Sub-Saharan Africa, covering the period of 2003-2013.rnTo this end, the study adopts a mixed methods research approach by combining financial reports...
In this research, Universal Mobile Telecommunication System (UMTS) radiornaccess network planning is demonstrated taking Addis Ababa city as a case study. Inrnthis regard, the major planning problem for UMTS network is solved through anrnapproach that makes use of the industry best practices...
Basically, Aquinas’s discussion of the concept of law enables us to understandrnhis treatment of politics. That is why I gave more emphasis on his concept ofrnlaw. In fact, the main factor why I brought the issue of the existence of Godrninto discussion in addition to Aquinas’s theory...
The explosion of wireless technologies including wireless networks, large flat displays, sensors,rnpersonal digital assistants (PDA), smart phones, and embedded devices are playing a great role inrncommunication and service delivery of our daily life. Nowadays it is possible to extend...
The ligand dpamc (2,2’-dipyridylammoniumchloride) has been synthesized fromrndpa (2,2’-dipyridylamine) and acyl chloride via acylation reaction andrncharacterized on the basis of NMR , UV/Vis and elemental analysis. The Cu (II)rncomplex of this ligand was also synthesized and...
The purpose of this study is to assess the practices of curriculum development andrnimplementation in Ethiopian Defense Training Main Department. In order to meet thernobjectives of the study, a descriptive survey design was employed. The data wasrncollected using questionnaires, focus group...
Wireless communications and the utilization of the radio frequency spectrum have witnessedrna tremendous boom during the past few decades. Given the limitations of the naturalrnfrequency spectrum, it becomes obvious that the current static frequency allocation schemesrncannot accommodate the...
Stunting is a well-established child health indicator for chronic malnutrition related tornenvironmental and socio-economic circumstances (WHO, 1995 and 1996). According to thern2011 EDHS report by the Ethiopia CSA, nationally, 44 percent of children under age five arernstunted, and 21 percent of...
In this study, calculations of the excitation function of 93Nb( , n)96Tc, 93Nb( , 2n)95Tc,rn93Nb( , 3n)94Tc reactions have been carried out in the incident alpha energy range fromrn10-42 MeV. In these calculations,the pre-equilibrium e ects have been investigated . Somernof the most widely used...
Medical Referral Decisions are clinical decisions by which clinicians determine referralrnindication, type of required services and selection of appropriate providers in medicalrnreferral systems. A referral indication is a decision made by clinicians to determinernwhether referral is needed or not...
The critical Coulomb explosion number, i.e., the lower bounds of particle sizernrequired to stabilize a multiply charged alkali halide cluster against Coulomb explosionrnwere calculated using a simple Coulomb potential. The magnitude of the charge rangesrnfrom 2 to 10. The influence of sign and...
In Ethiopia, economic burden of schizophrenia and bipolar disorders was a virginrnarea of research untapped for the last many decades. On the other hand sporadicrnepidemiological studies indicate that mental health problems are major public healthrnconcern in the country. However, despite high...
Node is one of the elements which has important role in the imageability of urban environment or city as well as the development of human centered place. It is mostly characterized by concentration of activities and junction of road where large numbers of people attracted and have good interaction...
The demand of mobile communication has grown remarkably in past years. Mobilerncommunication network (system) should use limited resources in efficient and convenientrnmanner. One way of achieving this is to use smaller cells in the expense of therncorresponding handover management and system...
This study aims to examine the adoption of International Financial Reporting Standardsrn(IFRS) in Ethiopia. The study focuses on examining the benefits and challenges of IFRSrnincluding the factors that could influence its adoption. To answer research questions andrntest the hypotheses the study...
The efficacy of synthetic organic insecticides to control malaria vector mosquitoes isrncompromised by increased mosquito resistance to insecticides. Furthermore, use of inorganicrninsecticides raises environmental toxicity concerns. Therefore, plant-based biodegradablerninsecticides would be ideal...
The major purpose of this study was assessIng the major causesrnand possible solutions for teachers' turnover in government secondaryrnschools of Addis Ababa city administration . To achieve the purposes,rndescriptive survey method was employed. The study had three groups ofrnsamples, which...
Ethiopia is one of the sub-Saharan African countries with alarming population growth ratern(2.6%) and high total fertility rate. To reduce high population growth and high fertility inrnEthiopia, the contraceptive use status of women needs to be increased. The main objective of thisrnstudy was to...
This study argues in favor of the importance of co-op based micro andrnsmall enterprises in creating a strong bond between Technical andrnVocational Training programs and self employment on co-op based jobrnplacements. It investigates the state of co-op based micro and smallrnenterprise program and...
In theory, multi-user MIMO is more immune to most of propagation limitationsrnplaguing single-user MIMO (SU-MIMO) systems, such as channel rank loss or an-rntenna correlation. However, in this thesis work, it has been considered the e ect ofrnantenna spacing on indoor multi-user MIMO sum-rate...