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

  1. 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