Zobrazeno 1 - 10
of 23
pro vyhledávání: '"El-Sayed Sedek Abu Seif"'
Publikováno v:
Medžiagotyra, Vol 26, Iss 2, Pp 185-191 (2019)
A modified Al-Si alloy containing up to 15 wt.% Si has been obtained from the reaction of sodium fluosilicate (Na2SiF6) with molten aluminum. This work attempted to estimate the mechanism of the reaction of Na2SiF6 with molten aluminum to produce Al-
Externí odkaz:
https://doaj.org/article/f837c3c31f7247a487ac4c6410cbdbea
Publikováno v:
Natural Hazards. 101:429-448
Jeddah represents the second largest city in Saudi Arabia and has more than 3.5 million residents. The daily estimated water used per capita is 200 L. The absence of a well-done network of sewage in some places especially in south Jeddah (Old Jeddah)
Publikováno v:
Medžiagotyra, Vol 26, Iss 2, Pp 185-191 (2019)
A modified Al-Si alloy containing up to 15 wt.% Si has been obtained from the reaction of sodium fluosilicate (Na2SiF6) with molten aluminum. This work attempted to estimate the mechanism of the reaction of Na2SiF6 with molten aluminum to produce Al-
Publikováno v:
Natural Hazards. 99:991-1005
The geotechnical evaluation of rockfall hazards along the Aswan–Cairo highway, Sohag Governorate, Upper Egypt has been achieved throughout a variety of field investigations and lab tests on the slopes and rock cut faces of Lower Eocene Plateau lime
Autor:
El-Sayed Sedek Abu Seif, Ammar Amin
Publikováno v:
Earth Systems and Environment. 3:173-188
This study presents a concise evaluation of sand dune environmental hazards in Al-Lith area, Jeddah (Saudi Arabia), where active sand dune migration forms serious environmental risks. The study area represents a strategic and very well promising area
Publikováno v:
Environmental Earth Sciences. 79
The Pleistocene Sands (Armant and Qena formations, Sohag Basin, Upper Egypt) had been evaluated texturally, minerologically and geotechnically as a construction raw material throughout intensive laboratory examinations. These Sands (fine aggregates)
Publikováno v:
Arabian Journal for Science and Engineering. 44:357-375
The evaluation of aeolian desertification of sand dunes in north Assuit, Middle Egypt, has been achieved throughout a variety of detailed field investigations and laboratory measurements. The study area lies in hot dry desert climatic conditions wher
Publikováno v:
Environmental Earth Sciences. 78
Al-Shuaiba Lagoon area locates along the eastern Red Sea coast, south of Jeddah city, Saudi Arabia. Its soil profile consists mainly of coarse-grained saline sabkha soil. Based on the vertical variations of grain size, the studied Al-Shuaiba Lagoon s
Publikováno v:
Arabian Journal of Geosciences. 12
The geotechnical assessment of expansiveness potentiality of sabkha soils, Saudi Arabia has been achieved on subsurface clayey soil samples collected in Rabigh sabkha along the Red Sea throughout a variety of physical, chemical, mineralogical, and me
Publikováno v:
Bulletin of Engineering Geology and the Environment. 75:1007-1022
Due to the arid continental climatic conditions, about 37 % of Saudi Arabia is covered by desert sands. These sands are mostly dynamic and cause environmental problems. However, these huge quantities of dune sands are considered important natural res