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Full-Text Articles in Physical Sciences and Mathematics

Analyzing Black Cloud Dynamics Over Cairo, Nile Delta Region And Alexandria Using Aerosols And Water Vapor Data, Hesham El-Askary, Anup K. Prasad, George Kallos, Mohamed El Raey, Menas Kafatos Jul 2011

Analyzing Black Cloud Dynamics Over Cairo, Nile Delta Region And Alexandria Using Aerosols And Water Vapor Data, Hesham El-Askary, Anup K. Prasad, George Kallos, Mohamed El Raey, Menas Kafatos

Biology, Chemistry, and Environmental Sciences Faculty Books and Book Chapters

Cairo is the largest city of Africa and one of the world’s megacities, with a population of more than 20 million people and containing more than one third of the national industry. It is a rapidly expanding city which leads to many associated environmental problems. As a result, it is also one of the most air polluted megacities in the world (Molina and Molina, 2004). It suffers from high ambient concentrations of atmospheric pollutants including particulates (PM), carbon monoxide, nitrogen oxides, ozone and sulfur dioxide (Abu-Allaban et al., 2007, Abu-Allaban et al., 2002, El-Metwally et …


Structure Of The Information Base And Operations On The Entities In A System For Information Servicing Of Collectivities, Peter H. Barnev, Atanas Radenski Jan 1978

Structure Of The Information Base And Operations On The Entities In A System For Information Servicing Of Collectivities, Peter H. Barnev, Atanas Radenski

Mathematics, Physics, and Computer Science Faculty Articles and Research

This paper treats, from an user point of view, the structure of the entities in the information base (IB) of a System for information servicing of collectivities (SISC) as well as the operations on these entries.