The transparent anterior segment of the human eye (cornea and lens), as wellrnas neural retina are greatly affected by dose dependent UV radiationrnexposure.rnThe histopathological changes increased along with irradiation intensity andrnUV-B exposure.rnThe most severe corneal lesions were observed...
The vast majority of sexual intercourses during adolescence are unprotected, and therefore thernrisk of unwanted pregnancy, unsafe abortion, and STIs including HIV/AIDS is very high forrnadolescents. Although various surveys have been made to study the sexual behavior of youth inrnEthiopia, few...
The main purpose of this study was to identify the major factors affectingrnadult learners' dropout fro m Non-Formal Basic Education and to suggestrnconstructive ideas that would help to minimize the dropout of adultrnlearners from Non- Formal Basic education . To the end, both quantitativernand...
Islamic shrines are a sanctuary devoted to Muslim saints and used for ritual practices. As definedrnby Braukamper.U (2002), shrine is any man made sanctuary (sometimes associated with naturalrnobjects) devoted to a Muslim saint (wali). The custom of venerating saints and visiting theirrnshrines is...
It has been very common to see collapse of structures, slopes, and foundations due to flow ofrnfoundation soils without observing any structural failure during earthquake. This can alsornoccur frequently and cause severe damages in this country following the occurrence ofrnearthquake, particularly...
The main objective of this study was to investigate the status of stakeholder engagement practice at the “NMEâ€. A renewed interest in stakeholder engagement approaches has been identified, as organizations experience increasing pressures with regard to social accountability and...
Background: Intestinal obstruction is the most common surgical emergency in the newborn period. It is a life threatening condition with high mortality especially in developing countries. Neonates with intestinal obstruction require specialized care and facilities for survival.rnObjective: We aim to...
This study was designed to generate information on the diversity of seed quality traits ofrnsamples of B. carinata populations. For this study, twenty one populations of B. carinatarnand three cultivars of B. carinata and additional three cultivars of B. napus were used. Allrnthe analyses were done...
Alcohol consumption represents the third largest risk factor for disease burden in most countries of thernworld. Alcohol can damage nearly every organ and system in the body such as liver and kidney. Alcoholrnis eliminated from the body by various metabolic mechanisms. The primary enzymes involved...
Rhamnus prinoides leaves and stems have been used for bitterness of local alcoholic beverages inrnEthiopia for several hundreds of years and as traditional medicine in some African countries likernKenya and South Africa; never the less, level of essential and non-essential elements of this...
This thesis conceives of an analysis of Early Stone Age collections from Melka Kunture,rnparticularly at Garba IV levels C and D. They were excavated between 1972 to 1985 and arerntoday stored at the Authority for Research and Conservation of Cultural Heritage. In spite ofrnongoing researches...
This research work has tried to test the time – cost relationship of road projects by using thernhypothesized empirical and graphical models developed for the concept. Based on thernEmpirical Bromilow’s Model, the duration of Ethiopian Federal Road Construction Projectsrnhas been...
Early churches constructed in Lasta from the sixth to the fifteenth century include churches built under protective roof of caves of different rock types and rock hewn churches excavated from largely volcanic rock with varying degree of detachment from bed rocks. The churches are believed to be...
The afro-alpine region in Eastern Africa encompasses the elevated plateaus andrnmountains in Ethiopia and the isolated high mountain peaks in Kenya, Tanzania,rnand Uganda, often referred to as biological 'sky islands'. The age of the flora onrnthese mountains has been debated. Based on the high...
Background: Children with epilepsy are documented to have increased incidence of behavioral and psychiatric disorders. The reported prevalence range from 30%to 66% according to studies from developed and developing country’s respectively. The magnitude of this co morbidity is not known in...
Mochena Borago rock shelter is a very rich archaeological site with one of the mostrncomplete late Pleistocene cultural sequence in the Horn of Africa. Despite the richrncultural sequence, the pre-history and historic period of human and plant interaction andrnecological history of this site are...
Embelia schimperi is a plant traditionally used for its medicinal value inrnmany parts of the world including Ethiopia. There are several reports about thernpharmacological properties of Embelia schimperi such as ethno-anthelminthics, andrnantibacterials. However, there are limited published...
This study has been attempted to assess and document the hitherto uninvestigated but potentially rich archaeological area of Ahferom Woreda, in central Tigray highland of northern Ethiopia. To this end, systematic reconnaissance survey, oral history, and typological analysis of ceramics as well as...
BACKGROUND: The introduction of highly active antiretroviral therapy in 1996 dramaticallyrnimproved survival and quality of HIV-infected patients in the industrialized world. This survivalrnbenefit of HAART in HIV infection has been well studied in the developed world. In resource-poorrnsettings,...
The main purpose of this study was to investigate the factors affecting girls' academicrnachievement in second cycle primary schools in Guraghe zone. To achieve thisrnobjective different basic research questions were raised. The study employedrnconcurrent mixed methods design with both quantitative...