Postgraduate Project Topics, Thesis and Dissertation
7461. Use And Conservation Of Traditional Medicinal Plants In Alelitu Woreda North Shewa Oromia Region Ethiopia
An Ethnobotanical study was conducted between September 2018 to June 2019 to document medicinal plants used by local people and their indigenous knowledge in Alelitu District, North Shewa Zone of Oromia Region. Data were collected from eighty informants in 11 kebeles by using Semi-structured...
7462. Infection Rate Of Intestinal Parasites Among Children Under Five Years Of Age In Addis Ketema Sub-city Health Center Addis Ababa Ethiopia
Background: Intestinal Parasites which consist of protozoa and helminths mostly infect gastro-intestinal tract of humans. Infections are widely distributed in tropical and sub-tropical area with greatest number of occurrence in sub-sahara Africa, China and Asia. In Ethiopia high infection rate of...
7463. Assessments And Identification Of Wild Edible Plants The Case Of Sasiga District In East Wollega Zone Of Oromia Regional National State Ethiopia
The study was conducted in East Wollega Zone of Oromia Regional National state, in Sasiga District to assess, identify, document and recommend for domestication of wild edible plant species. Data was collected using semi-structured interviews, observation based focus group discussions, and...
7464. Studies On Status Of Apiculture In Gida Ayana District Eastern Wollega Zone Oromia Regional State Ethiopia.
Eastern Wollega zone is one of the Oromia regional state‟s zones with high potential of honey and bee wax production. This study was initiated and conducted in Gida Ayana district, Eastern Wollega zone, Oromia Regional State, from September to July 2011E.C with main objective of the study was...
7465. Effect Of Altitude On E-glassepoxy Composite For Aircraft Parts
This work focuses on analyzing in a fundamental way the effects of curing pressure during wetrnlayup procedure. An experiment was conducted to expose effects of altitude on E-glass/Epoxyrncomposite during fabrication or repair. Processing techniques of specimen preparation for anrnexperimental...
7466. Analysis Of Mechanical Properties Of Automotive Disc Brake By Finite Element Of Method (fem)
Excellent control of braking system in automobile is the essential for safety of brakingrnperformance. The brake disc is affected by type of friction material of brake pad. Therndetermination of mechanical interaction that happen between brake disc of automobile and brakernpads are very important...
7467. Delamination Of Composite Material Using Virtual Crack Closure Technique And Cohesive Zone Method For Automotive Structure And Semi-structure
This paper studied Mode Ι delamination of Composite material using Virtual Crack ClosurernTechnique and Cohesive Zone methods for Automobile Application. Quasi-Isotropic glassrnfiber/epoxy composite material is developed using Autodesk composite simulation designrnsoftware. Mode Ι isotropic...
7468. Analysis Effect Of Surface Roughness Material Removal Rateand Tool Life In Turning Of Mild Steel Material
This Experimental work presents a technique to determine the better productive qualityrnby Analysis of Effect Surface Roughness, Material Removal Rate and Tool Life in Turningrnof Mild Steel by controlling cutting experiment. Turning Experiments on Laze Machinernwere conducted with Spindle Speeds:...
7469. Effect Of Internally And Externally Ply Drop On Energy Absorption Of Glass Fiber Reinforced Epoxy Composite Analyzed Using Numerical Methods
In a Ply dropped composite structures, Plies must be terminated or dropped off at discrete locationrnover the part that improve the deformation and energy absorption capacity. In tapered structural partsrnthickness tapering cannot be achieved during a continuous way. Because of this tapered...
7470. Rollover Optimization And Ride Comfort Verification Of Four-wheeler Bajaj Qute
Bajaj qute is four-wheeler type of bajaj which is categorized under small utility vehicles (LTV). In ourrncountry (Ethiopia) Bajaj qutes are the main transportation system in transport industry. Passenger cars hadrnthe lowest rollover fatality rate (23 percent of fatalities were in vehicles that...
7471. Development Of Composite Helical Coil Spring For Light Weight Vehicle
The main objective of this thesis is development of composite helical coil spring for light weight vehicle.rnThe candidate materials are E-Glass, Carbon fiber and Epoxy resin. The selection of an appropriaternweight fraction for both chopped carbon and glass fiber composition between 0.4:0.6,...
7472. Design And Static Structural Analysis Of Chassis For Green And Light Vehicle Using Composite Material.
Nowadays, transportation industry plays major role in the economy of modern developing andrnindustrialized countries. Weight reduction is now the main issue in automobile industries. Thernchassis frame is an important part in automobiles. The main function of the automobile chassis isrnto carry the...
7473. Mathematical Modeling For Thermo-mechanical Stress Field Associated With A Propagating Crack In Homogenous Isotropic Materials
The main objective of this research is to develop mathematical modeling of the thermosrnmechanical stress field associated with the propagating crack in homogeneous isentropic materialsrnby using a temperature field that can be replicated in real world application. In most of existingrnwork, the...
7474. Production Of Epoxy Oil From Podocarpus Falcatus Seed (zigba) Via Epoxidation Reaction Using Sulphuric Acid Catalyst
Epoxidized vegetable oils are the most surprise importance because of their sustainable,rnrenewable and environment friendly nature and they are substituted the petrochemical resource’s.rnThe main objective of this study was investigating the production of epoxidized oil fromrnPodocarpus...
7475. Impacts Of Urbanization On Productive Farmlands The Case Of Farmland Between Goro And Tulu Dimtu In Special Zone Of Oromia Regional National State
Recently, urban expansion is becoming problems in the sub-Saharan African countries as they are expanding without well planned urbanization. The aim of this study was to assess the impacts of urbanization on farmland in the study area. In the study area most of agricultural land has been converted...
7476. Dilute Acid Hydrolysis Of Water Hyacinth (emboch) For The Production Of Glucose (fermentable Sugar)
This study investigates production of glucose (fermentable sugar) from water hyacinth pretreatedrnwith 1.5% H2O2 and 3%NaOH. Cellulose-hemicellulose and lignin content of water hyacinthrnwere determined using thermo gravimetric analysis (TGA) and found to be 42.1% and 11.46%rnbefore pretreatment...
7477. Synthesis Of Micro-cellulose Reinforced Polyvinyl Alcohol Micro-biocomposite Materials
This study focused on developing and evaluating the performance of cellulose/polyvinyl alcoholrnmicrobiocomposites. Cellulose has a potential to become a key resource in the development of biodegradablernfilms composites and therefore, incorporating microcellulose into different materials have...
7478. Adsorption-anaerobic Digestion Coupling Process For Molasses Vinasse Treating
The production of ethanol from biomass results in the co-current production of acidic materialrnknown as distillery spent wash or vinasse. It is generated at a rate of 10 to 15 times greater thanrnthe ethanol itself, and is characterized by a high dissolved organic matter content....
7479. Characterization Utilization And Optimization Of Ethiopian Sugarcane Bagasse (saccharum Officinarum L.) For Pulp And Paper Making
The current global awareness about the use of non-wood biomass for pulp and paper production rnhas resulted in significant reduction of deforestation. Based on this, the dissertation investigated rnthe suitability of Ethiopian sugarcane bagasse (ESCB) (Saccharum officinarum L.) for the pulp rnand...
7480. Three Years Retrospective Study Of Tmj Ankylosis Aetiology Pattern And Treatment At Addis Ababa University Oral And Maxillofacial Surgery Affiliate Hospitals
Background: - Temporomandibular joint ankylosis is fusion of the head of mandibular condylernto the glenoid fossa of temporal bone. Untreated ankylosis causes distressing conditions such asrnspeech impairment, difficulty in chewing, poor oral hygiene, malocclusion, facial disfigurement,rnand...
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