Range:
Subjects: Heavy oil; Petroleum; Petroleum refineries
Subjects: Tigris River
Subjects: Activated carbon; Date palm fiber; Dates (Fruit); Palms
Subjects: Activated carbon; Sanitation
Subjects: Petroleum; Petroleum industry
Subjects: Aspergillus; Polycyclic aromatic hydrocarbons
Subjects: Rock mechanics
Subjects: Ecological assessment; Heavy minerals
Subjects: Electric power
Subjects: Hydrocarbons; Permeability; Petroleum geology; Risk management
Subjects: Photodegradation; Ultraviolet radiation
Subjects: Activities; Lactose; Oil fields
Subjects: Microstructure; Petroleum industry
Subjects: Polystyrene