Zobrazeno 1 - 10
of 68
pro vyhledávání: '"A. Belay Kassa"'
Autor:
A. Belay Kassa
Publikováno v:
Iranica Journal of Energy and Environment, Vol 10, Iss 4, Pp 269-274 (2019)
Ethiopia is a land locked country, located in Horn of Africa. The country power generation does not meet the national demand of the people. The aim of the paper is to review a current status, future potential and barriers on development of renewable
Externí odkaz:
https://doaj.org/article/e7dedef50d044c55a77dbc78001c029c
Publikováno v:
Caraka Tani: Journal of Sustainable Agriculture, Vol 37, Iss 2, Pp 211-222 (2022)
Over the years, there has been a continuous increase in the demand for tef (Eragrostis tef (Zucc.) Trotter) due to population growth, average incomes and urbanization in Ethiopia, but its innovation system has not been fully explored. This research a
Externí odkaz:
https://doaj.org/article/f9000e35c4864f0caff20ec96ece3b07
Publikováno v:
IEEE Access, Vol 10, Pp 16365-16387 (2022)
Massive MIMO and mmWave communication are the technologies for achieving 5G design goals. Fortunately, these two technologies share a symbiotic integration. As a result, amalgamating mmWave communications with massive MIMO forms,mmWave-massive MIMO,
Externí odkaz:
https://doaj.org/article/5152fb33151040658c1f189988036cea
Publikováno v:
IEEE Access, Vol 10, Pp 21120-21140 (2022)
Current generation mobile communications require high-quality services. Adopting multiple access (MA) and multi-carrier waveforms potentially enhances the quality of services offered to end-users. However, in the majority of literature, the integrati
Externí odkaz:
https://doaj.org/article/8ce12aaf850940fb9da0779a2b94badc
Autor:
Shenko Chura Aredo, Yalemzewd Negash, Yihenew Wondie Marye, Hailu Belay Kassa, Kevin T. Kornegay, Feyisa Debo Diba
Publikováno v:
Sensors, Vol 22, Iss 5, p 1743 (2022)
An increase in the number of transmit antennas (M) poses an equivalent rise in the number of Radio Frequency (RF) chains associated with each antenna element, particularly in digital beamforming. The chain exhibits a substantial amount of power consu
Externí odkaz:
https://doaj.org/article/ef4d7233f74b449f9e50761dcb7365d6
Publikováno v:
International Journal of Agricultural Management and Development, Vol 7, Iss 4, Pp 415-428 (2017)
The research examined effect of climate variability on yield of the two dominant cool weather cereals (wheat and barley) in central highland and Arssi grain plough farming systems of Ethiopia using eight round unbalanced panel data (1994-2014). T
Externí odkaz:
https://doaj.org/article/4bd5bdf140ca4360bb7bd4f080a17927
Publikováno v:
Turkish Journal of Agriculture: Food Science and Technology, Vol 5, Iss 12, Pp 1536-1543 (2017)
Ethiopian agriculture is a vulnerable sector from effects of climate variability. This study identified how strong is the effect of climate variability on smallholders’ crop income in Central highlands and Arssi grain plough farming systems of the
Externí odkaz:
https://doaj.org/article/64b8474c53e7427aae267160b5136292
Autor:
Mengistu Ketema, Belay Kassa
Publikováno v:
Turkish Journal of Agriculture: Food Science and Technology, Vol 4, Iss 6, Pp 446-454 (2016)
In Ethiopia, the national agricultural research system has been generating and disseminating different agricultural technologies since its establishment in 1966. Although these technologies are meant to increase agricultural productivity, they have t
Externí odkaz:
https://doaj.org/article/8ec9431d87144b2e87abffdc69781793
Publikováno v:
World Food Policy. 7:111-127
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa46fb6a24807c0e96ccfa7f80c09e9c
https://doi.org/10.1002/wfp2.12029
https://doi.org/10.1002/wfp2.12029
Publikováno v:
Open Journal of Civil Engineering. 10:55-68
Expansive clay soils are the types of soils whose volume changes with the change in water content. They have a behavior of swelling and shrinking that is a serious hazard to structures built over them. Expansive soils are abundantly existing soil typ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61db7242b5a7da419a12cab632829cae
https://doi.org/10.4236/ojce.2020.101006
https://doi.org/10.4236/ojce.2020.101006