الفترة:
Subjects: Aluminum alloys; Chemical reactions; Copper alloys; Optical properties; Sulfur
Subjects: Chemical reactions; Electrical properties; Optical properties
Subjects: Aluminum alloys; Aluminum-zinc alloys; Copper alloys; Mechanical properties
Subjects: Solar batteries; Solar cells; Solar energy; Quantum theory
Subjects: Chemistry; Thermodynamics; Entropy
Subjects: Electronic circuits; Microelectronics; Integrated circuits
Subjects: Integrated circuits
Subjects: Burrowing animals; Shatt al-Arab; Behaviour