Postgraduate Project Topics, Thesis and Dissertation
21501. Paleomagnetism And Tectonics Of Manda Hararo Rift Of North Afar Ethiopia
This study explains tectonics and Paleomagnetism of Manda Hararo rift in north afar. The fieldrntrip which was organized by scientists from New Zealand, Ethiopia and UK was made to studyrnthe Dabbahu magmatic segment in northern part of Manda Hararo rift. A total of 271 orientedrncore samples were...
21502. Practices And Challenges Of Cooperative Training In Tvet Institutes And Companies In Gurage Zone
The main objective of this study was to assess the practices and challenges of cooperative training (CT) in technical vocational education &training (TVET) colleges and companies in Gurage zone. To conduct this study descriptive survey design was employed. Stratified random sampling and purposive...
21503. Model Reference Adaptive Control Based Sensorless Speed Control Of Induction Motor
In this thesis, stator current based model reference adaptive system (MRAS) speed estimator is used for closed loop speed control of induction motor without mechanical speed sensor.rnDue to high sensitivity of motor parameters variation at low speed including zero, stability analysis of MRAS design...
21504. Soil Acidity Problems And Comparison Of Lime Requirement Determination Methods In Different Land Uses Systems The Case Of Fagetalekoma Woreda Awi Zone
Soil acidity is one of chemical soil degradation problems which affect productivity of the soilrnin Ethiopian highlands. The purpose of this research was to assess the status of soil acidity inrndifferent land uses systems and to compare different lime requirement determination methodsrnin...
21505. The Problelmes And Prospects O F Implementing Instructonal Satellite Tv Programs In Secondary Schools Of Southern Nations Nationalities And Peoples Region (snnpr)
This study was undertaken mainly to find out the eXlstzng problems inrnimplementing instructional Satellite TV Programs in secondary schools ofrnSNNPR. In the study it was also tried to assess the attitudes of teachers andrnstudents towards ISTV programs.rnThe study employed descriptive survey...
21506. Antiplasmodial Activity Of Extracts From Dodonaea Angustifolia L.f. And Bersama Abyssinica Fresen Against Plasmodium Berghei In Mice Model
The seed of Dodonaea angustifolia and root bark of Bersama abyssinica are traditionally used for the treatment/prophylaxis of malaria in some malarous areas in Ethiopia. The aim of this study is to evaluate antiplasmodial activity and study acute toxicity of Dodonaea angustifolia and Bersama...
21507. Intelligent System Based Automatic Prediction Of Drought Using Satellite Images
Early days of technology employed traditional methods like rainfall distribution, duration ofrnsunshine, and the related meteorological data to forecast a forthcoming event regardingrndrought. Recently, satellite remote sensing has been considered as an appropriate tool forrnderiving information in...
21508. Study On Prevalence Of Mastitis And Associated Risk Factors With Isolation And Anitimicrobial Susceptibility Of Major Pathogs In Alage State Dairy Farm Ethiopia
Cross-sectional study design was implemented in Alage dairy farm from September 2011 to April 2012 to determine the overall prevalence of mastitis, isolation of mastitis pathogens with their anti-biogram susceptibility patterns and risk factors to mastitis were also investigated. 444 quarter of 111...
21509. Evaluation Of Solid Wate Landfill Potential Site Using Gis Based Multi Criteria Evaluation Method A Case Study Of Addis Ababa
Solid waste management system is the most difficult task that many countries, both developingrnand developed, are facing. In Addis Ababa, the last two decades of development activities, such as construction of roads and other buildings are established. As a result of development activities together...
21510. Helicobacter Pylori Infectionamong Dyspeptic And Non-dyspeptic Hiv Patients At Yekahealth Center Addis Ababa Ethiopia
Background: Helicobacter pylori is a potent producer of urease. HIV infected patientsrnexperience many form of opportunistic infections including gastrointestinal symptoms. The exactrnrole of H. pylori infection among HIV infected patients in causing gastrointestinal symptomsrnsuch as dyspepsia...
21511. The Effectiveness Of Tutorial Program In Distance Education At The Tertiary Level The Case Of Alpha And Admas University College
The purpose of this study was to investigate the effectiveness of tutorial program inrndistance education at the tertiary level with reference to Alpha and AdmasUniversityrnColleges.The populations of this study included administrators, tutorial coordinators,rntutors and students. In this study a...
21512. Magmatic Evolution Of Boko Magmatic Complex Main Ethiopian Rift Using Petro-chemical Approach And Co2 Flux Measurement
Boko magmatic complex is situated in transitional zone between Central and Northern MER segments. The area is located approximately 92.02 Km from Addis Ababa. The main objective of the research study is to understand the magmatic evolution and the extent of the main collapse zone of the complex. To...
21513. Assessment Of Downstream Pollution Profiles Of Awassa Textile Factory Effluent Along Tikur Wuha River Using Physico-chemical And Macroinvertebrate Indicators
The purpose of this study was to investigate pollution profiles of Awassa Textile Factoryrnwastewater and examine its ecological impact in terms of the effect on aquatic biotarnusing macroinvertebrates as bioindicator downstream along Tikur Wuha River. The waterrnquality parameters used to...
21514. Quantum Mechanical And Optical Properties Of Asymmetric Double Wells And Two Electron Quantum Dots
In this dissertation the energy of the ground and excited state of symmetric andrnasymmetric parabolic double quantum wells (DQWs) are investigated by using ourrnformulated trial wave functions and the Hamiltonian. For symmetric DQWs, calculationrnof the frequency corresponding to the ground state...
21515. Analysis And Dsp Implementation Of Sensor-less Direct Foc Of Three-phase Induction Motor Using Open-loop Speed Estimator
This thesis work deals with sensor-less speed control of induction motor in its entire speed range. Flux linkage and rotor speed estimators are designed, simulated and implemented on 180W induction motor using Texas Instrument DSP board TMDSHVMTRPFCKIT. Estimated flux-linkage has been used as...
21516. Post-market In Vitro Quality Evaluation Of Artemether-lumefantrine Tablets Marketed In Addis Ababa And Selected Areas Of Oromia Region In Ethiopia
Malaria is a highly prevalent disease in the developing world. The disease is endemic in Ethiopiarnwhere 67% of its population are susceptible to the disease. Oromia is the largest and mostrnpopulated region of Ethiopia. The present study aimed to evaluate quality of artemetherlumefantrinern(AL)...
21517. Determinants Of Dividend Policy Evidence From Ethiopian Insurance Companies
The purpose of this study was to examine the determinants of dividend policy inrnEthiopian insurance companies. For this purpose, samples of nine Ethiopian insurancerncompanies were selected. Ordinary Least Squares (OLS) Regression was used tornexamine the impact of profitability, liquidity,...
21518. Investigation Of The Performance Of Different Adaptive Space-time Transmit Diversity Schemes
Transmit diversity techniques provide attractive solutions for increasingrndownlink capacity in 3G systems. Open-loop and closed-loop transmitrndiversity modes with two transmit antennas have already been included intorn3G Partner Project WCDMA (wideband code division multiplexing access),rnand...
21519. Urban Expansion And Its Impact On The Livelihood Of Peripheral Farming Communities The Case Of Kutaber Town Amhara Region Ethiopia
Currently, urban expansion is becoming a big problems in sub-Saharan African countries as they are expanded without well planed urbanization. Therefore, the objective of this study is to assess Urban Expansion and its Impact on Peripheral Farming Communities: the Case of Kutaber town, Amhara...
21520. Womens Participation In Educational Leadership In Selected High Schools In Addis Ababa City Administration
The purpose of the study was to find and in barriers for women to enterrnleadership positions in selected secondary schools in Addis Ababa CityrnAdministration. It was intended to assess the institutional, domestic or personalrnas well as intra personal problem of women to inter leadership...
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