The quality and digestibility of the natural food of Oreochromisrnniloticus in Lake ZiHay, Ethiopia, ~/aS studied for a period of one year,rnOctober, 1988 to September, 1989. The stomach and rectal contents of 956rnfishes I'/ere analyzed for total organic matter, protein, lipid, carbohydraternand...
N-p h o n y i c i n n amo h y d r o x ami c a c i d, PCHA, wa s f o u n d t o r e a c trnwi t h v a n a d i um ( V ) i n t h e p r e s e n c e o f a z i d e o r t r i c h l o r o a c e t i crna c i d ( o r c h l o r o a c e t i c a c i d ) t o f o rm wa t e r i n s o l u b l e b l u i s hvrni o l e...
The. Ut.le. st.udy w .... unde.r-t.ake.n t.o anrne.lablJr-at.e.d clust.e.» mode.l of' silica ge.l and t.o inve.sUgat.e.rnadso»pt.ion comple.xe.s of pr-ope.ne. wit.h silica using INDO me.t.hodrnand opt.imizat.ion of geomet.»y. The. basic idea of clust.ermode.rnling ent.ails sub .. Ut.ut.ion...
Bacterial meningitis (BM) is a severe infectious disease of the nervous system that needsrnurgent medical attention. Ethiopia, a country located at the eastern end of the “meningitisrnbeltâ€, is frequently affected by meningitis epidemics. Studies have rarely focused on...
The purpose of this study was to examine relevance and quality of research undertaken byrnMaster’s students in the years from 2009 to 2011 in the department of Physics andrnMathematics education. The study employed a mixed methods approach and data collectedrnusing questionnaires, interview...
Gravel loss is the reduction in thickness of the surfacing course of gravel road. It can be causedrnby many factors. Traffic as average daily traffic (ADT), climate in terms of mean monthlyrnprecipitation (MMP), geometric design parameters of the roads represented by absoluterngradient (G), surface...
The purpose of the study was to investigate the readability of grade 7rnbiology textbook of Addis Ababa region. The sources of data were grade 7-rnbiology textbook, grade 7 biology teachers, and students. Four datarncollection instruments were used: teachers' questionnaire, students'rninterview...
The purpose of the study was to investigate the readability of grade 7rnbiology textbook of Addis Ababa region. The sources of data were grade 7-rnbiology textbook, grade 7 biology teachers, and students. Four datarncollection instruments were used: teachers' questionnaire, students'rninterview...
The growth of traffic congestion on many streets and highways is a major concern to travelers,rnadministrators, merchants, developers and the community at large. Its detrimental impacts inrnterms of longer journey times, higher fuel consumption, increased emissions of air pollutants,rngreater...
Traffic congestion is a critical problem in Addis Ababa Ethiopia due to the fast growing economy, car ownership and population in the country. The road improvement practices also contribute to the reduction in roadway capacity which in turn to aggravates traffic congestion and delay on the study...
Among the stool samples of 205 patients tested for bacteriological cultures, only 6 (2.9%)rnwere positive for Yersil/ia, 22 (10.7%) for Salmonella. 12 (5.8%) for Shigella and 11rn(42.3%) for diarrhoeagenic E. coli. Out of the Yersil/ia spp. totally isolated in this study,rnonly 3 (1.5%) were...