ruthenium 

  1. 名詞
不可數名詞: 釕

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Ruthenium forms a variety of coordination complexes.                            
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  2. 
                                As a result, Hanford put out 260 curies of ruthenium .                            
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  3. 
                                The Noyori asymmetric hydrogenation is based on ruthenium .                            
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  4. 
                                The oxidation states of ruthenium range from 0 to +8, and −2.                            
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  5. 
                                Optionally ruthenium on alumina makes a more efficient catalyst.                            
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