Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Ahmed S. Khalifa"'
Autor:
Ali A. Mahanna, Ahmed S. Khalifa
Publikováno v:
مجلة جامعة الأنبار للعلوم الإنسانية, Vol 2021, Iss 2, Pp 1461-1479 (2021)
Industry is one of the vital sectors on which the economy of the Kingdom of Saudi Arabia is based. It includes industries related to oil production and refining, petrochemicals, minerals and war industries, in addition to cement, construction, equipm
Externí odkaz:
https://doaj.org/article/59d59ad31709406193ebc6f5b8d98ee0
Publikováno v:
The Medical Journal of Cairo University. 89:543-551
Background: Hypotension is one of the most common intra-operative complications associated with spinal anaesthe-sia. Its incidence in caesarean section has been estimated to be as high as 50-60%. Despite fluid preloading, lateral uterine displacement
Publikováno v:
Journal of Environmental Science. 49:83-118
This current study drives at developing environmental and social responsibility to reduce the spread out of drugs among the youth of slum areas through a counseling program. For achieving this goal, previous studies and research related to the subjec
Publikováno v:
International Journal of Virology. 7:100-108
Autor:
Ehab F. El-Saadany, Ahmed S. Khalifa
Publikováno v:
2011 IEEE Power and Energy Society General Meeting.
This paper proposes a control technique for medium and large scale PV arrays connected to the power system grid. The array is interfaced to the grid through power electronic converters to change output voltages and currents from DC to AC quantities.
Autor:
Ahmed S. Khalifa, Ehab F. El-Saadany
Publikováno v:
Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010.
This paper proposes a control methodology for interfacing medium and large photovoltaic (PV) arrays to the power system distribution grid. First, the structure of the PV system in grid-connected mode is introduced. It consists of a PV array in additi
Autor:
Ahmed S. Khalifa, Magda.A. Khazbak, Aisha A. Fakeir, M.S. El-Alfy, Farida El-Baz, M. El-Kholy, Galila M. Mokhtar
Publikováno v:
Acta haematologica. 82(3)
Twenty-four infants and children suffering from glucose-6-phosphate dehydrogenase (G6PD) deficiency during hemolytic crisis were included in this study. Their ages ranged between 3 and 36 months with a median of 10 months. 22 were males and 2 were fe