الفترة:
Subjects: Desertification; Deserts; Ecology; Egypt; Twenty-first century
Subjects: Chemical pollution; Pollution control; Twenty-first century; Waste treatment; Zaqaziq
Subjects: Anbar; Twenty-first century; Water quality; Wells
Subjects: Agricultural machinery; Diesel motors; Pollution; Tractors; Twenty-first century
Subjects: Analytical chemistry; Darfur; Geology; Soils
Subjects: Baghdad; Land use; Urban areas; Urban planning; Water utilization
Subjects: Geomorphology; Mathematical models
Subjects: Air quality; Babylon (Iraq); Iraq; Environmental aspects; Standards
Subjects: Cadmium; Heavy minerals; Iraq; Lead; Environmental aspects
Subjects: Analytical chemistry; Optics; Light; Pollution; Spectrometers
Subjects: Karkh; Neural networks (Computer science); Water treatment; Water treatment plants
Subjects: Ashes; Baghdad; Cellulose; Industrial wastes; Soils