Range:
Subjects: Sudan; Environmental aspects
Subjects: Air quality; Atmosphere; Air; Censorship; Pollution
Subjects: Laser; Physics
Subjects: Sudan; Health aspects; Risk factors
Subjects: Electric properties; Electronics; Gamma Irradiation; Semiconductors
Subjects: Khartoum; Sudan
Subjects: Khartoum; Nuclear engineering; Radioactive substances; Sudan; Radioisotopes
Subjects: Effect; Temperature
Subjects: Electric field; Electromagnetic fields; Magnetic fields
Subjects: Chemical reactions; Chemistry; Laser
Subjects: Fluids; Mechanical properties; Thermodynamics; Statistics
Subjects: Electric properties
Subjects: Magnetic properties