praseodymium 

  1. 名詞
不可數名詞: 鐠

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Praseodymium                            
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  2. 
                                The praseodymium ions are orbited by electrons .                            
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                                Most REE ore is 75 % to 80% light rare earths (LREEs)--mostly lanthanum, cerium, neodymium and praseodymium .                            
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                                The only tetrahalides known are those of cerium, praseodymium and terbium mirroring the formation of the dioxides.                            
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                                The pressure-temperature phase diagram of americium is thus rather similar to those of lanthanum, praseodymium and neodymium.                            
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