PU
物理單元
鈽(94號元素)
學術名詞
- 聚胺甲酸酯:化學、化學工程
- PU:化學工程、化學
英文釋義
- a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239