MIGRATION PARAMETERS OF SOARING BIRDS CROSSING WIND FARMS OF GABEL AL-ZEIT CORRIDOR ON THE RIFT VALLEY/RED SEA FLYWAY, EASTERN DESERT, EGYPT

UTILIZATION OF PARTIALLY DE-ALUMINATED METAKAOLIN SOLID WASTE AS A SOURCE OF SILICATE INSTEAD OF SAND IN PRODUCTION OF LIGHTWEIGHT BRICKS

ISOLATION AND CHARACTERIZATION OF BIOSURFACTANTS FROM BACTERIAL STRAINS FOUND IN MARINE OIL POLLUTED-WATER SAMPLES