a 15n 1h-heteronuclear single-quantum coherence(hsqc)
理论计算揭示了金掺杂银纳米团簇发光增强的物理机制
cosy correlation spectroscopy hmbc heteronuclear multiple
cosy correlation spectroscopy hmbc heteronuclear multiple
15n 1h heteronuclear noe data for Δgag in the absence and