常见例句Keywords diisobutyl aluminum azid e（DBAA）molecular-weight determination1H NMR spectrum27Al NMR spectrum association-diasso ciation equilibrium; 关键词叠氮二异丁基铝（DBAA）;相对分子质量测定;氢-核磁共振谱;铝-核磁共振谱;缔合-解离平衡;acid azid 酰基叠 返回 azid