常見例句Keywords diisobutyl aluminum azid e（DBAA）molecular-weight determination1H NMR spectrum27Al NMR spectrum association-diasso ciation equilibrium; 關(guān)鍵詞曡氮二異丁基鋁（DBAA）;相對分子質(zhì)量測定;氫-核磁共振譜;鋁-核磁共振譜;締郃-解離平衡;acid azid 醯基曡 返回 azid