Actinoid, Chalcogen, Jnumam, Phase transitions

• O-U
• O-U-Zr
• O-Pu
• O-Pu-U
• N-O-Th
• phase diagram
• decomposition
• decomposition temperature
• fusion
• chalcogen
• radioactive
• actinoid
• ternary
• oxide
• cubic
• orthorhombic
• trigonal