Postgraduate Project Topics, Thesis and Dissertation

18241 Kraft Pulping Of Wheat Straw

In this paper, pulping of wheat straw with Kraft process was studied. Chemical andrnmorphological properties of wheat straw fibers were also investigated. Chemical propertiesrnincluding cellulose (39.8%), hemicellulose (29.47%), lignin (20.98%), ash (6.27%) andrnextractives (4.1%) were determined....

18242 On Poincare-bendixson Theorem And Closed Orbits Of Nonlinear Dynamical Systems

In a certain sense, closed orbits are the only types of orbits that we can ever hopernto understand completely throughout their evolution from the distant past (i.e. asrnt ! −1) to the distant future (i.e., as t ! 1) since the entire course of theirrnevolution is determined by knowledge over...

18243 Assessement Of Health Care Providers Attitude And Associated Factors Towards Safe Abortion Care At Public Health Institiutions In East Gojjam Zone Amhara Ethiopia Cross Sectional Study2015

Background: Globally, unsafe abortion has become one of the fifith causes ofrnmaternal mortality and morbidity. Studies suggested that health care providers‘ attitudesrntowards safe abortion had an impact on safe abortion. In the countries where abortion is onernof the major challenges, such...

18244 Extraction Characterization And Optimazation Of Essential Oil From Ethiopian Black Cumin Seed Varieties By Solvent Extraction

Black cumin seed oil has a long history of uses for food flavors, perfumes, medicinal value, cosmetics industry and in production of liquid soap, shampoos and essential ingredient in soup component, sausages, cheese, cakes, candies and for preparation curries, bread, katikala, preservation of...

18245 Communicative Language Testing Its Validity And Reliability At The Addis Ababa University

The aim of this study was to try and see if the English language can berntested communicatively at the university and if the test produced has the requiredrntypes of validity and reliability.rnSo a test was prepared and administered for 120 students in the freshmanrnprogramme. And after multiple...

18246 Development And Evaluation Of Antimicrobial Aloe Based Packaging Films

This study was aimed at the development of antimicrobial packaging films, which is one of thernmost promising active packaging systems, from aloe and papaya leaves extracts with gelatinernand glycerol. Three different extracts of papaya leaves were analyzed for their antimicrobialrnactivities....

18247 Microbial Diversity And Molecular Biomonitoring For Efficient Treatment Of Tannery Wastewater Laboratory And Field- Scale Studies

This dissertation reports on culture- dependent and culture- independent characterization ofrnmicroorganisms of from tannery wastewater, with special reference to degradation of selectedrnretanning chemicals, In the culture- based study, four bacterial strains isolated ll'om a temporaryrnstorage...

18248 Factors Associated With Job Satisfaction Among Governmental Health Workers In Sebata Hawas Woreda Oromia Region

Background: Job satisfaction refers to a person‟s feeling of gratification on the job, which acts as a motivator to work. Health workers are the most important resource for health systems. Thus, health workers job satisfaction is one of the key parameters that influence productivity as well...

18249 Generalized Catalan Numbers

Ballot problem was introduced in the late nineteen century to determine thernprobability of counting of votes when there are two candidates A and B suchrnthat A receives a votes, and B receives b votes with a > b. This project fo-rncuses on the proof of Generalized Catalan numbers by using Ballot...

18250 The Practices And Impact Of Productive Safety Net Program (psnp) Smallholder On The Farmers Household The Case Of Income Tula Of Sub-city Hawassa

The study was conducted to assess the practices and impact of productive safety net program onrnthe household income of small holder farmers in Tula sub city, Hawassa. Though there are otherrnrural sub cities in and around Hawassa town, due to the extended problem of food insecurity inrnthe area...

18251 Assessent Of Stress And Coping Strategies Among Women With Problem Of Obstetric Fistula In Addis Ababa Ethiopia

Background: An obstetric fistula is a hole in the wall of the vagina connectingrnto the bladder or rectum that is caused by prolonged and obstructed labor. As arnresult the girl or woman is left with uncontrollable leaking of urine and/or fecesrnfrom her vagina, and constant and humiliating odor...

18252 The Effect Of Blend Proportion And Baking Condition On The Quality Of Cookie Made From Taro And Wheat Flour Blend

The influence of blending proportion of taro and wheat flour and baking temperature on thernphysicochemical characteristics and sensory qualities of cookie made from taro-wheat flourrnblend was investigated. Taro and wheat flour were blended using 33.33, 66.67 and 100%rnproportion using mixture...

18253 Distrlbution And Relative Abundance Of The African Grass Ra T Arvicanthis Dellbeelsis Among Selected Habitat Types Of The Koka Region Central Eti-rropia

Data was collected on the distribution and relative abundance of Arvica1l1his dembeensisrnamong selected habitat types in the Koka region, central Ethiopia.rnFifteen habitat types were selected to be study sites. The selection was made withrnreference to vegetation density, height, and species...

18254 The Use Of Language Teaching Games And Activities In Ethiopian Government Elementary Schools

In this study an attemp t has been made to find out whetherrnor not the us e of l an~ua~e t eaching v,ames and activities i nrnEthiopian government element ary sch ools is more effective inrndevelopinr, communicative ab ility in speakinf, En gli sh by providingrnthe students an oppo rtunity t o us...

18255 Teachers Perceptions And Practices Continuous Professional Development The Case Of Selected Primary Schools In Jimma Zone

In Ethiopia, very little is known about prostitution In general and about childrnprostitution in particular. The purpose of this research is to determine the magnitudernof child prostitution and to identify factors associated with and problems of childrnprostitution. A cross-sectional study design...

18256 Child Prostitution In Bahir Dar

In Ethiopia, very little is known about prostitution In general and about childrnprostitution in particular. The purpose of this research is to determine the magnitudernof child prostitution and to identify factors associated with and problems of childrnprostitution. A cross-sectional study design...

18257 Urinary Tract Infection In Pregnant Women Attending Antenatal Clinic Of Tikur Anbessa Specialized Hospital

Urinary tract infection (UTI) is a common complication of pregnancy. In the majority of thernpatients, infection appears to be confined to thc lower urinary tract. It may be asymptomaticrn(asymptomatic bacteriuria), or symptomatic (acute cystitis). All pregnant women, therefore,rnshould have their...

18258 Linear Three-level Programming Problem With The Application To Hierarchical Organizations

In many decision processes there is an hierarchy of decision-makers and deci-rnsions are taken at di®erent levels in this hierarchy. The decentralized planningrnproblem has long been recognized as an important decision-making problem.rnIn many practical decision making activities, decision...

18259 Optimization Of Process Parameters For Production Of Honey Powder From Ethiopian Honey By Spray-drying A Case Study On Its Application In Bread

The study was conducted with the objective of optimizing process parameters for production of honey powder by spray drying, characterizing the powder, and using it as a substitute for sugar in bread formulations.rnExperimental design with inlet temperature (150 to 190 °C), feed flow rate...

18260 Effective Public Procurement Management In Implementation Of Successful Public Projects In Ethiopia A Case Study Of Addis Ababa City Government Housing Development Project Offices .

The Research attempted to identify the impact of public procurement practice onrnconstriction of condominium housing, to asses if procurement planning affectsrnimplementation of public projects, to find out if choice of procurement methods andrnprocedures influences public projects implementation,...

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