promethium cell 钷蓄电池 ; [电] 钷电池
Promethium Alloy 钷合金
Promethium Isotope 钷同位素
Promethium Compound 钷化合物
Promethium oxide 三氧化二钷
Promethium sesquioxide 三氧化二钷
The Promethium Effect 冥王星效应
同义词: Pm atomic number 61
以上来源于: WordNet
N a radioactive element of the lanthanide series artificially produced by the fission of uranium. Symbol: Pm; atomic no: 61; half-life of most stable isotope, 145Pm: 17.7 years; valency: 3; melting pt: 1042°C; boiling pt: 2460°C (approx.) 钷
应用推荐